Add Cortex M55 and M85 to ports

This commit is contained in:
Scott Larson
2022-07-07 11:42:14 -07:00
parent 83b57acde9
commit 54cda6ee9e
126 changed files with 27318 additions and 0 deletions
+21
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target_sources(${PROJECT_NAME} PRIVATE
${CMAKE_CURRENT_LIST_DIR}/src/txe_thread_secure_stack_allocate.c
${CMAKE_CURRENT_LIST_DIR}/src/txe_thread_secure_stack_free.c
${CMAKE_CURRENT_LIST_DIR}/src/tx_initialize_low_level.S
${CMAKE_CURRENT_LIST_DIR}/src/tx_thread_context_restore.S
${CMAKE_CURRENT_LIST_DIR}/src/tx_thread_context_save.S
${CMAKE_CURRENT_LIST_DIR}/src/tx_thread_interrupt_control.S
${CMAKE_CURRENT_LIST_DIR}/src/tx_thread_interrupt_disable.S
${CMAKE_CURRENT_LIST_DIR}/src/tx_thread_interrupt_restore.S
${CMAKE_CURRENT_LIST_DIR}/src/tx_thread_schedule.S
${CMAKE_CURRENT_LIST_DIR}/src/tx_thread_secure_stack.c
${CMAKE_CURRENT_LIST_DIR}/src/tx_thread_secure_stack_allocate.S
${CMAKE_CURRENT_LIST_DIR}/src/tx_thread_secure_stack_free.S
${CMAKE_CURRENT_LIST_DIR}/src/tx_thread_stack_build.S
${CMAKE_CURRENT_LIST_DIR}/src/tx_thread_system_return.S
${CMAKE_CURRENT_LIST_DIR}/src/tx_timer_interrupt.S
)
target_include_directories(${PROJECT_NAME} PUBLIC
inc
)
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/**************************************************************************/
/* */
/* Copyright (c) Microsoft Corporation. All rights reserved. */
/* */
/* This software is licensed under the Microsoft Software License */
/* Terms for Microsoft Azure RTOS. Full text of the license can be */
/* found in the LICENSE file at https://aka.ms/AzureRTOS_EULA */
/* and in the root directory of this software. */
/* */
/**************************************************************************/
/**************************************************************************/
/**************************************************************************/
/** */
/** ThreadX Component */
/** */
/** Thread */
/** */
/**************************************************************************/
/**************************************************************************/
/**************************************************************************/
/* */
/* COMPONENT DEFINITION RELEASE */
/* */
/* tx_secure_interface.h PORTABLE C */
/* 6.1 */
/* AUTHOR */
/* */
/* Scott Larson, Microsoft Corporation */
/* */
/* DESCRIPTION */
/* */
/* This file defines the ThreadX secure thread stack components, */
/* including data types and external references. */
/* It is assumed that tx_api.h and tx_port.h have already been */
/* included. */
/* */
/* RELEASE HISTORY */
/* */
/* DATE NAME DESCRIPTION */
/* */
/* 09-30-2020 Scott Larson Initial Version 6.1 */
/* */
/**************************************************************************/
#ifndef TX_SECURE_INTERFACE_H
#define TX_SECURE_INTERFACE_H
/* Define internal secure thread stack function prototypes. */
extern UINT _tx_thread_secure_mode_stack_initialize(void);
extern UINT _tx_thread_secure_mode_stack_allocate(TX_THREAD *thread_ptr, ULONG stack_size);
extern UINT _tx_thread_secure_mode_stack_free(TX_THREAD *thread_ptr);
extern void _tx_thread_secure_stack_initialize(void);
extern void _tx_thread_secure_stack_context_save(TX_THREAD *thread_ptr);
extern void _tx_thread_secure_stack_context_restore(TX_THREAD *thread_ptr);
#endif
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/**************************************************************************/
/* */
/* Copyright (c) Microsoft Corporation. All rights reserved. */
/* */
/* This software is licensed under the Microsoft Software License */
/* Terms for Microsoft Azure RTOS. Full text of the license can be */
/* found in the LICENSE file at https://aka.ms/AzureRTOS_EULA */
/* and in the root directory of this software. */
/* */
/**************************************************************************/
/**************************************************************************/
/**************************************************************************/
/** */
/** ThreadX Component */
/** */
/** Thread */
/** */
/**************************************************************************/
/**************************************************************************/
#if (defined(TX_ENABLE_EXECUTION_CHANGE_NOTIFY) || defined(TX_EXECUTION_PROFILE_ENABLE))
.global _tx_execution_isr_exit
#endif
/**************************************************************************/
/* */
/* FUNCTION RELEASE */
/* */
/* _tx_thread_context_restore Cortex-M55/AC6 */
/* 6.1 */
/* AUTHOR */
/* */
/* Scott Larson, Microsoft Corporation */
/* */
/* DESCRIPTION */
/* */
/* This function is not needed for Cortex-M. */
/* */
/* INPUT */
/* */
/* None */
/* */
/* OUTPUT */
/* */
/* None */
/* */
/* CALLS */
/* */
/* [_tx_execution_isr_exit] Execution profiling ISR exit */
/* */
/* CALLED BY */
/* */
/* ISRs Interrupt Service Routines */
/* */
/* RELEASE HISTORY */
/* */
/* DATE NAME DESCRIPTION */
/* */
/* 09-30-2020 Scott Larson Initial Version 6.1 */
/* */
/**************************************************************************/
// VOID _tx_thread_context_restore(VOID)
// {
.section .text
.balign 4
.syntax unified
.eabi_attribute Tag_ABI_align_preserved, 1
.global _tx_thread_context_restore
.thumb_func
.type _tx_thread_context_restore, function
_tx_thread_context_restore:
#if (defined(TX_ENABLE_EXECUTION_CHANGE_NOTIFY) || defined(TX_EXECUTION_PROFILE_ENABLE))
/* Call the ISR exit function to indicate an ISR is complete. */
PUSH {r0, lr} // Save return address
BL _tx_execution_isr_exit // Call the ISR exit function
POP {r0, lr} // Recover return address
#endif
BX lr
// }
.end
@@ -0,0 +1,83 @@
/**************************************************************************/
/* */
/* Copyright (c) Microsoft Corporation. All rights reserved. */
/* */
/* This software is licensed under the Microsoft Software License */
/* Terms for Microsoft Azure RTOS. Full text of the license can be */
/* found in the LICENSE file at https://aka.ms/AzureRTOS_EULA */
/* and in the root directory of this software. */
/* */
/**************************************************************************/
/**************************************************************************/
/**************************************************************************/
/** */
/** ThreadX Component */
/** */
/** Thread */
/** */
/**************************************************************************/
/**************************************************************************/
#if (defined(TX_ENABLE_EXECUTION_CHANGE_NOTIFY) || defined(TX_EXECUTION_PROFILE_ENABLE))
.global _tx_execution_isr_enter
#endif
/**************************************************************************/
/* */
/* FUNCTION RELEASE */
/* */
/* _tx_thread_context_save Cortex-M55/AC6 */
/* 6.1 */
/* AUTHOR */
/* */
/* Scott Larson, Microsoft Corporation */
/* */
/* DESCRIPTION */
/* */
/* This function is not needed for Cortex-M. */
/* */
/* INPUT */
/* */
/* None */
/* */
/* OUTPUT */
/* */
/* None */
/* */
/* CALLS */
/* */
/* [_tx_execution_isr_enter] Execution profiling ISR enter */
/* */
/* CALLED BY */
/* */
/* ISRs */
/* */
/* RELEASE HISTORY */
/* */
/* DATE NAME DESCRIPTION */
/* */
/* 09-30-2020 Scott Larson Initial Version 6.1 */
/* */
/**************************************************************************/
// VOID _tx_thread_context_save(VOID)
// {
.section .text
.balign 4
.syntax unified
.eabi_attribute Tag_ABI_align_preserved, 1
.global _tx_thread_context_save
.thumb_func
.type _tx_thread_context_save, function
_tx_thread_context_save:
#if (defined(TX_ENABLE_EXECUTION_CHANGE_NOTIFY) || defined(TX_EXECUTION_PROFILE_ENABLE))
/* Call the ISR enter function to indicate an ISR is starting. */
PUSH {r0, lr} // Save return address
BL _tx_execution_isr_enter // Call the ISR enter function
POP {r0, lr} // Recover return address
#endif
BX lr
// }
.end
@@ -0,0 +1,82 @@
/**************************************************************************/
/* */
/* Copyright (c) Microsoft Corporation. All rights reserved. */
/* */
/* This software is licensed under the Microsoft Software License */
/* Terms for Microsoft Azure RTOS. Full text of the license can be */
/* found in the LICENSE file at https://aka.ms/AzureRTOS_EULA */
/* and in the root directory of this software. */
/* */
/**************************************************************************/
/**************************************************************************/
/**************************************************************************/
/** */
/** ThreadX Component */
/** */
/** Thread */
/** */
/**************************************************************************/
/**************************************************************************/
/**************************************************************************/
/* */
/* FUNCTION RELEASE */
/* */
/* _tx_thread_interrupt_control Cortex-M55/AC6 */
/* 6.1 */
/* AUTHOR */
/* */
/* Scott Larson, Microsoft Corporation */
/* */
/* DESCRIPTION */
/* */
/* This function is responsible for changing the interrupt lockout */
/* posture of the system. */
/* */
/* INPUT */
/* */
/* new_posture New interrupt lockout posture */
/* */
/* OUTPUT */
/* */
/* old_posture Old interrupt lockout posture */
/* */
/* CALLS */
/* */
/* None */
/* */
/* CALLED BY */
/* */
/* Application Code */
/* */
/* RELEASE HISTORY */
/* */
/* DATE NAME DESCRIPTION */
/* */
/* 09-30-2020 Scott Larson Initial Version 6.1 */
/* */
/**************************************************************************/
// UINT _tx_thread_interrupt_control(UINT new_posture)
// {
.section .text
.balign 4
.eabi_attribute Tag_ABI_align_preserved, 1
.global _tx_thread_interrupt_control
.thumb_func
.type _tx_thread_interrupt_control, function
_tx_thread_interrupt_control:
#ifdef TX_PORT_USE_BASEPRI
MRS r1, BASEPRI // Pickup current interrupt posture
MSR BASEPRI, r0 // Apply the new interrupt posture
MOV r0, r1 // Transfer old to return register
#else
MRS r1, PRIMASK // Pickup current interrupt lockout
MSR PRIMASK, r0 // Apply the new interrupt lockout
MOV r0, r1 // Transfer old to return register
#endif
BX lr // Return to caller
// }
.end
@@ -0,0 +1,83 @@
/**************************************************************************/
/* */
/* Copyright (c) Microsoft Corporation. All rights reserved. */
/* */
/* This software is licensed under the Microsoft Software License */
/* Terms for Microsoft Azure RTOS. Full text of the license can be */
/* found in the LICENSE file at https://aka.ms/AzureRTOS_EULA */
/* and in the root directory of this software. */
/* */
/**************************************************************************/
/**************************************************************************/
/**************************************************************************/
/** */
/** ThreadX Component */
/** */
/** Thread */
/** */
/**************************************************************************/
/**************************************************************************/
/**************************************************************************/
/* */
/* FUNCTION RELEASE */
/* */
/* _tx_thread_interrupt_disable Cortex-M55/AC6 */
/* 6.1 */
/* AUTHOR */
/* */
/* Scott Larson, Microsoft Corporation */
/* */
/* DESCRIPTION */
/* */
/* This function is responsible for disabling interrupts and returning */
/* the previous interrupt lockout posture. */
/* */
/* INPUT */
/* */
/* None */
/* */
/* OUTPUT */
/* */
/* old_posture Old interrupt lockout posture */
/* */
/* CALLS */
/* */
/* None */
/* */
/* CALLED BY */
/* */
/* Application Code */
/* */
/* RELEASE HISTORY */
/* */
/* DATE NAME DESCRIPTION */
/* */
/* 09-30-2020 Scott Larson Initial Version 6.1 */
/* */
/**************************************************************************/
// UINT _tx_thread_interrupt_disable(VOID)
// {
.section .text
.balign 4
.syntax unified
.eabi_attribute Tag_ABI_align_preserved, 1
.global _tx_thread_interrupt_disable
.thumb_func
.type _tx_thread_interrupt_disable, function
_tx_thread_interrupt_disable:
/* Return current interrupt lockout posture. */
#ifdef TX_PORT_USE_BASEPRI
MRS r0, BASEPRI
LDR r1, =TX_PORT_BASEPRI
MSR BASEPRI, r1
#else
MRS r0, PRIMASK
CPSID i
#endif
BX lr
// }
.end
@@ -0,0 +1,80 @@
/**************************************************************************/
/* */
/* Copyright (c) Microsoft Corporation. All rights reserved. */
/* */
/* This software is licensed under the Microsoft Software License */
/* Terms for Microsoft Azure RTOS. Full text of the license can be */
/* found in the LICENSE file at https://aka.ms/AzureRTOS_EULA */
/* and in the root directory of this software. */
/* */
/**************************************************************************/
/**************************************************************************/
/**************************************************************************/
/** */
/** ThreadX Component */
/** */
/** Thread */
/** */
/**************************************************************************/
/**************************************************************************/
/**************************************************************************/
/* */
/* FUNCTION RELEASE */
/* */
/* _tx_thread_interrupt_restore Cortex-M55/AC6 */
/* 6.1 */
/* AUTHOR */
/* */
/* Scott Larson, Microsoft Corporation */
/* */
/* DESCRIPTION */
/* */
/* This function is responsible for restoring the previous */
/* interrupt lockout posture. */
/* */
/* INPUT */
/* */
/* previous_posture Previous interrupt posture */
/* */
/* OUTPUT */
/* */
/* None */
/* */
/* CALLS */
/* */
/* None */
/* */
/* CALLED BY */
/* */
/* Application Code */
/* */
/* RELEASE HISTORY */
/* */
/* DATE NAME DESCRIPTION */
/* */
/* 09-30-2020 Scott Larson Initial Version 6.1 */
/* */
/**************************************************************************/
// VOID _tx_thread_interrupt_restore(UINT previous_posture)
// {
.section .text
.balign 4
.syntax unified
.eabi_attribute Tag_ABI_align_preserved, 1
.global _tx_thread_interrupt_restore
.thumb_func
.type _tx_thread_interrupt_restore, function
_tx_thread_interrupt_restore:
/* Restore previous interrupt lockout posture. */
#ifdef TX_PORT_USE_BASEPRI
MSR BASEPRI, r0
#else
MSR PRIMASK, r0
#endif
BX lr
// }
.end
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/**************************************************************************/
/* */
/* Copyright (c) Microsoft Corporation. All rights reserved. */
/* */
/* This software is licensed under the Microsoft Software License */
/* Terms for Microsoft Azure RTOS. Full text of the license can be */
/* found in the LICENSE file at https://aka.ms/AzureRTOS_EULA */
/* and in the root directory of this software. */
/* */
/**************************************************************************/
/**************************************************************************/
/**************************************************************************/
/** */
/** ThreadX Component */
/** */
/** Thread */
/** */
/**************************************************************************/
/**************************************************************************/
/**************************************************************************/
/* */
/* FUNCTION RELEASE */
/* */
/* _tx_thread_secure_stack_allocate Cortex-M55/AC6 */
/* 6.1 */
/* AUTHOR */
/* */
/* Scott Larson, Microsoft Corporation */
/* */
/* DESCRIPTION */
/* */
/* This function enters the SVC handler to allocate a secure stack. */
/* */
/* INPUT */
/* */
/* thread_ptr Thread control block pointer */
/* stack_size Size of secure stack to */
/* allocate */
/* */
/* OUTPUT */
/* */
/* status Actual completion status */
/* */
/* CALLS */
/* */
/* SVC 1 */
/* */
/* CALLED BY */
/* */
/* Application Code */
/* */
/* RELEASE HISTORY */
/* */
/* DATE NAME DESCRIPTION */
/* */
/* 09-30-2020 Scott Larson Initial Version 6.1 */
/* */
/**************************************************************************/
// UINT _tx_thread_secure_stack_allocate(TX_THREAD *thread_ptr, ULONG stack_size)
// {
.section .text
.balign 4
.syntax unified
.eabi_attribute Tag_ABI_align_preserved, 1
.global _tx_thread_secure_stack_allocate
.thumb_func
.type _tx_thread_secure_stack_allocate, function
_tx_thread_secure_stack_allocate:
#if !defined(TX_SINGLE_MODE_SECURE) && !defined(TX_SINGLE_MODE_NON_SECURE)
MRS r3, PRIMASK // Save interrupt mask
CPSIE i // Enable interrupts for SVC call
SVC 1
CMP r3, #0 // If interrupts enabled, just return
BEQ _alloc_return_interrupt_enabled
CPSID i // Otherwise, disable interrupts
#else
MOV r0, #0xFF // Feature not enabled
#endif
_alloc_return_interrupt_enabled:
BX lr
.end
@@ -0,0 +1,83 @@
/**************************************************************************/
/* */
/* Copyright (c) Microsoft Corporation. All rights reserved. */
/* */
/* This software is licensed under the Microsoft Software License */
/* Terms for Microsoft Azure RTOS. Full text of the license can be */
/* found in the LICENSE file at https://aka.ms/AzureRTOS_EULA */
/* and in the root directory of this software. */
/* */
/**************************************************************************/
/**************************************************************************/
/**************************************************************************/
/** */
/** ThreadX Component */
/** */
/** Thread */
/** */
/**************************************************************************/
/**************************************************************************/
/**************************************************************************/
/* */
/* FUNCTION RELEASE */
/* */
/* _tx_thread_secure_stack_free Cortex-M55/AC6 */
/* 6.1 */
/* AUTHOR */
/* */
/* Scott Larson, Microsoft Corporation */
/* */
/* DESCRIPTION */
/* */
/* This function enters the SVC handler to free a secure stack. */
/* */
/* INPUT */
/* */
/* thread_ptr Thread control block pointer */
/* */
/* OUTPUT */
/* */
/* status Actual completion status */
/* */
/* CALLS */
/* */
/* SVC 2 */
/* */
/* CALLED BY */
/* */
/* Application Code */
/* */
/* RELEASE HISTORY */
/* */
/* DATE NAME DESCRIPTION */
/* */
/* 09-30-2020 Scott Larson Initial Version 6.1 */
/* */
/**************************************************************************/
// UINT _tx_thread_secure_stack_free(TX_THREAD *thread_ptr)
// {
.section .text
.balign 4
.syntax unified
.eabi_attribute Tag_ABI_align_preserved, 1
.global _tx_thread_secure_stack_free
.thumb_func
.type _tx_thread_secure_stack_free, function
_tx_thread_secure_stack_free:
#if !defined(TX_SINGLE_MODE_SECURE) && !defined(TX_SINGLE_MODE_NON_SECURE)
MRS r3, PRIMASK // Save interrupt mask
CPSIE i // Enable interrupts for SVC call
SVC 2
CMP r3, #0 // If interrupts enabled, just return
BEQ _free_return_interrupt_enabled
CPSID i // Otherwise, disable interrupts
#else
MOV r0, #0xFF // Feature not enabled
#endif
_free_return_interrupt_enabled:
BX lr
.end
@@ -0,0 +1,79 @@
/**************************************************************************/
/* */
/* Copyright (c) Microsoft Corporation. All rights reserved. */
/* */
/* This software is licensed under the Microsoft Software License */
/* Terms for Microsoft Azure RTOS. Full text of the license can be */
/* found in the LICENSE file at https://aka.ms/AzureRTOS_EULA */
/* and in the root directory of this software. */
/* */
/**************************************************************************/
/**************************************************************************/
/**************************************************************************/
/** */
/** ThreadX Component */
/** */
/** Thread */
/** */
/**************************************************************************/
/**************************************************************************/
/**************************************************************************/
/* */
/* FUNCTION RELEASE */
/* */
/* _tx_thread_secure_stack_initialize Cortex-M55/AC6 */
/* 6.1.7 */
/* AUTHOR */
/* */
/* Scott Larson, Microsoft Corporation */
/* */
/* DESCRIPTION */
/* */
/* This function enters the SVC handler to initialize a secure stack. */
/* */
/* INPUT */
/* */
/* none */
/* */
/* OUTPUT */
/* */
/* none */
/* */
/* CALLS */
/* */
/* SVC 3 */
/* */
/* CALLED BY */
/* */
/* TX_INITIALIZE_KERNEL_ENTER_EXTENSION */
/* */
/* RELEASE HISTORY */
/* */
/* DATE NAME DESCRIPTION */
/* */
/* 06-02-2021 Scott Larson Initial Version 6.1.7 */
/* */
/**************************************************************************/
// VOID _tx_thread_secure_stack_initialize(VOID)
// {
.section .text
.balign 4
.syntax unified
.eabi_attribute Tag_ABI_align_preserved, 1
.global _tx_thread_secure_stack_initialize
.thumb_func
.type _tx_thread_secure_stack_initialize, function
_tx_thread_secure_stack_initialize:
#if !defined(TX_SINGLE_MODE_SECURE) && !defined(TX_SINGLE_MODE_NON_SECURE)
CPSIE i // Enable interrupts for SVC call
SVC 3
CPSID i // Disable interrupts
#else
MOV r0, #0xFF // Feature not enabled
#endif
BX lr
.end
@@ -0,0 +1,140 @@
/**************************************************************************/
/* */
/* Copyright (c) Microsoft Corporation. All rights reserved. */
/* */
/* This software is licensed under the Microsoft Software License */
/* Terms for Microsoft Azure RTOS. Full text of the license can be */
/* found in the LICENSE file at https://aka.ms/AzureRTOS_EULA */
/* and in the root directory of this software. */
/* */
/**************************************************************************/
/**************************************************************************/
/**************************************************************************/
/** */
/** ThreadX Component */
/** */
/** Thread */
/** */
/**************************************************************************/
/**************************************************************************/
/**************************************************************************/
/* */
/* FUNCTION RELEASE */
/* */
/* _tx_thread_stack_build Cortex-M55/AC6 */
/* 6.1 */
/* AUTHOR */
/* */
/* Scott Larson, Microsoft Corporation */
/* */
/* DESCRIPTION */
/* */
/* This function builds a stack frame on the supplied thread's stack. */
/* The stack frame results in a fake interrupt return to the supplied */
/* function pointer. */
/* */
/* INPUT */
/* */
/* thread_ptr Pointer to thread control blk */
/* function_ptr Pointer to return function */
/* */
/* OUTPUT */
/* */
/* None */
/* */
/* CALLS */
/* */
/* None */
/* */
/* CALLED BY */
/* */
/* _tx_thread_create Create thread service */
/* */
/* RELEASE HISTORY */
/* */
/* DATE NAME DESCRIPTION */
/* */
/* 09-30-2020 Scott Larson Initial Version 6.1 */
/* */
/**************************************************************************/
// VOID _tx_thread_stack_build(TX_THREAD *thread_ptr, VOID (*function_ptr)(VOID))
// {
.section .text
.balign 4
.syntax unified
.eabi_attribute Tag_ABI_align_preserved, 1
.global _tx_thread_stack_build
.thumb_func
.type _tx_thread_stack_build, function
_tx_thread_stack_build:
/* Build a fake interrupt frame. The form of the fake interrupt stack
on the Cortex-M should look like the following after it is built:
Stack Top:
LR Interrupted LR (LR at time of PENDSV)
r4 Initial value for r4
r5 Initial value for r5
r6 Initial value for r6
r7 Initial value for r7
r8 Initial value for r8
r9 Initial value for r9
r10 Initial value for r10
r11 Initial value for r11
r0 Initial value for r0 (Hardware stack starts here!!)
r1 Initial value for r1
r2 Initial value for r2
r3 Initial value for r3
r12 Initial value for r12
lr Initial value for lr
pc Initial value for pc
xPSR Initial value for xPSR
Stack Bottom: (higher memory address) */
LDR r2, [r0, #16] // Pickup end of stack area
BIC r2, r2, #0x7 // Align frame for 8-byte alignment
SUB r2, r2, #68 // Subtract frame size
#ifdef TX_SINGLE_MODE_SECURE
LDR r3, =0xFFFFFFFD // Build initial LR value for secure mode
#else
LDR r3, =0xFFFFFFBC // Build initial LR value to return to non-secure PSP
#endif
STR r3, [r2, #0] // Save on the stack
/* Actually build the stack frame. */
MOV r3, #0 // Build initial register value
STR r3, [r2, #4] // Store initial r4
STR r3, [r2, #8] // Store initial r5
STR r3, [r2, #12] // Store initial r6
STR r3, [r2, #16] // Store initial r7
STR r3, [r2, #20] // Store initial r8
STR r3, [r2, #24] // Store initial r9
STR r3, [r2, #28] // Store initial r10
STR r3, [r2, #32] // Store initial r11
/* Hardware stack follows. */
STR r3, [r2, #36] // Store initial r0
STR r3, [r2, #40] // Store initial r1
STR r3, [r2, #44] // Store initial r2
STR r3, [r2, #48] // Store initial r3
STR r3, [r2, #52] // Store initial r12
MOV r3, #0xFFFFFFFF // Poison EXC_RETURN value
STR r3, [r2, #56] // Store initial lr
STR r1, [r2, #60] // Store initial pc
MOV r3, #0x01000000 // Only T-bit need be set
STR r3, [r2, #64] // Store initial xPSR
/* Setup stack pointer. */
// thread_ptr -> tx_thread_stack_ptr = r2;
STR r2, [r0, #8] // Save stack pointer in thread's
// control block
BX lr // Return to caller
// }
.end
@@ -0,0 +1,96 @@
/**************************************************************************/
/* */
/* Copyright (c) Microsoft Corporation. All rights reserved. */
/* */
/* This software is licensed under the Microsoft Software License */
/* Terms for Microsoft Azure RTOS. Full text of the license can be */
/* found in the LICENSE file at https://aka.ms/AzureRTOS_EULA */
/* and in the root directory of this software. */
/* */
/**************************************************************************/
/**************************************************************************/
/**************************************************************************/
/** */
/** ThreadX Component */
/** */
/** Thread */
/** */
/**************************************************************************/
/**************************************************************************/
/**************************************************************************/
/* */
/* FUNCTION RELEASE */
/* */
/* _tx_thread_system_return Cortex-M55/AC6 */
/* 6.1 */
/* AUTHOR */
/* */
/* Scott Larson, Microsoft Corporation */
/* */
/* DESCRIPTION */
/* */
/* This function is target processor specific. It is used to transfer */
/* control from a thread back to the ThreadX system. Only a */
/* minimal context is saved since the compiler assumes temp registers */
/* are going to get slicked by a function call anyway. */
/* */
/* INPUT */
/* */
/* None */
/* */
/* OUTPUT */
/* */
/* None */
/* */
/* CALLS */
/* */
/* _tx_thread_schedule Thread scheduling loop */
/* */
/* CALLED BY */
/* */
/* ThreadX components */
/* */
/* RELEASE HISTORY */
/* */
/* DATE NAME DESCRIPTION */
/* */
/* 09-30-2020 Scott Larson Initial Version 6.1 */
/* */
/**************************************************************************/
// VOID _tx_thread_system_return(VOID)
// {
.section .text
.balign 4
.syntax unified
.eabi_attribute Tag_ABI_align_preserved, 1
.global _tx_thread_system_return
.thumb_func
.type _tx_thread_system_return, function
_tx_thread_system_return:
/* Return to real scheduler via PendSV. Note that this routine is often
replaced with in-line assembly in tx_port.h to improved performance. */
MOV r0, #0x10000000 // Load PENDSVSET bit
MOV r1, #0xE000E000 // Load NVIC base
STR r0, [r1, #0xD04] // Set PENDSVBIT in ICSR
MRS r0, IPSR // Pickup IPSR
CMP r0, #0 // Is it a thread returning?
BNE _isr_context // If ISR, skip interrupt enable
#ifdef TX_PORT_USE_BASEPRI
MRS r1, BASEPRI // Thread context returning, pickup BASEPRI
MOV r0, #0
MSR BASEPRI, r0 // Enable interrupts
MSR BASEPRI, r1 // Restore original interrupt posture
#else
MRS r1, PRIMASK // Thread context returning, pickup PRIMASK
CPSIE i // Enable interrupts
MSR PRIMASK, r1 // Restore original interrupt posture
#endif
_isr_context:
BX lr // Return to caller
// }
.end
File diff suppressed because it is too large Load Diff
@@ -0,0 +1,119 @@
/**************************************************************************/
/* */
/* Copyright (c) Microsoft Corporation. All rights reserved. */
/* */
/* This software is licensed under the Microsoft Software License */
/* Terms for Microsoft Azure RTOS. Full text of the license can be */
/* found in the LICENSE file at https://aka.ms/AzureRTOS_EULA */
/* and in the root directory of this software. */
/* */
/**************************************************************************/
/**************************************************************************/
/**************************************************************************/
/** */
/** ThreadX Component */
/** */
/** Thread */
/** */
/**************************************************************************/
/**************************************************************************/
#define TX_SOURCE_CODE
/* Include necessary system files. */
#include "tx_api.h"
#include "tx_initialize.h"
#include "tx_thread.h"
/**************************************************************************/
/* */
/* FUNCTION RELEASE */
/* */
/* _tx_thread_secure_stack_allocate Cortex-M55 */
/* 6.1 */
/* AUTHOR */
/* */
/* Scott Larson, Microsoft Corporation */
/* */
/* DESCRIPTION */
/* */
/* This function checks for errors in the secure stack allocate */
/* function call. */
/* */
/* INPUT */
/* */
/* thread_ptr Thread control block pointer */
/* stack_size Size of secure stack to */
/* allocate */
/* */
/* OUTPUT */
/* */
/* TX_THREAD_ERROR Invalid thread pointer */
/* TX_CALLER_ERROR Invalid caller of function */
/* status Actual completion status */
/* */
/* CALLS */
/* */
/* _tx_thread_secure_stack_allocate Actual stack alloc function */
/* */
/* CALLED BY */
/* */
/* Application Code */
/* */
/* RELEASE HISTORY */
/* */
/* DATE NAME DESCRIPTION */
/* */
/* 09-30-2020 Scott Larson Initial Version 6.1 */
/* */
/**************************************************************************/
UINT _txe_thread_secure_stack_allocate(TX_THREAD *thread_ptr, ULONG stack_size)
{
#if defined(TX_SINGLE_MODE_SECURE) || defined(TX_SINGLE_MODE_NON_SECURE)
return(TX_FEATURE_NOT_ENABLED);
#else
UINT status;
/* Default status to success. */
status = TX_SUCCESS;
/* Check for an invalid thread pointer. */
if (thread_ptr == TX_NULL)
{
/* Thread pointer is invalid, return appropriate error code. */
status = TX_THREAD_ERROR;
}
/* Now check for invalid thread ID. */
else if (thread_ptr -> tx_thread_id != TX_THREAD_ID)
{
/* Thread pointer is invalid, return appropriate error code. */
status = TX_THREAD_ERROR;
}
/* Check for interrupt call. */
if (TX_THREAD_GET_SYSTEM_STATE() != ((ULONG) 0))
{
/* Is call from an interrupt and not initialization? */
if (TX_THREAD_GET_SYSTEM_STATE() < TX_INITIALIZE_IN_PROGRESS)
{
/* Invalid caller of this function, return appropriate error code. */
status = TX_CALLER_ERROR;
}
}
/* Determine if everything is okay. */
if (status == TX_SUCCESS)
{
/* Call actual secure stack allocate function. */
status = _tx_thread_secure_stack_allocate(thread_ptr, stack_size);
}
/* Return completion status. */
return(status);
#endif
}
@@ -0,0 +1,120 @@
/**************************************************************************/
/* */
/* Copyright (c) Microsoft Corporation. All rights reserved. */
/* */
/* This software is licensed under the Microsoft Software License */
/* Terms for Microsoft Azure RTOS. Full text of the license can be */
/* found in the LICENSE file at https://aka.ms/AzureRTOS_EULA */
/* and in the root directory of this software. */
/* */
/**************************************************************************/
/**************************************************************************/
/**************************************************************************/
/** */
/** ThreadX Component */
/** */
/** Thread */
/** */
/**************************************************************************/
/**************************************************************************/
#define TX_SOURCE_CODE
/* Include necessary system files. */
#include "tx_api.h"
#include "tx_initialize.h"
#include "tx_thread.h"
/**************************************************************************/
/* */
/* FUNCTION RELEASE */
/* */
/* _txe_thread_secure_stack_free Cortex-M55 */
/* 6.1 */
/* AUTHOR */
/* */
/* Scott Larson, Microsoft Corporation */
/* */
/* DESCRIPTION */
/* */
/* This function checks for errors in the secure stack free */
/* function call. */
/* */
/* INPUT */
/* */
/* thread_ptr Thread control block pointer */
/* */
/* OUTPUT */
/* */
/* TX_THREAD_ERROR Invalid thread pointer */
/* TX_CALLER_ERROR Invalid caller of function */
/* status Actual completion status */
/* */
/* CALLS */
/* */
/* _tx_thread_secure_stack_free Actual stack free function */
/* */
/* CALLED BY */
/* */
/* Application Code */
/* */
/* RELEASE HISTORY */
/* */
/* DATE NAME DESCRIPTION */
/* */
/* 09-30-2020 Scott Larson Initial Version 6.1 */
/* */
/**************************************************************************/
UINT _txe_thread_secure_stack_free(TX_THREAD *thread_ptr)
{
#if defined(TX_SINGLE_MODE_SECURE) || defined(TX_SINGLE_MODE_NON_SECURE)
return(TX_FEATURE_NOT_ENABLED);
#else
UINT status;
/* Default status to success. */
status = TX_SUCCESS;
/* Check for an invalid thread pointer. */
if (thread_ptr == TX_NULL)
{
/* Thread pointer is invalid, return appropriate error code. */
status = TX_THREAD_ERROR;
}
/* Now check for invalid thread ID. */
else if (thread_ptr -> tx_thread_id != TX_THREAD_ID)
{
/* Thread pointer is invalid, return appropriate error code. */
status = TX_THREAD_ERROR;
}
/* Check for interrupt call. */
if (TX_THREAD_GET_SYSTEM_STATE() != ((ULONG) 0))
{
/* Is call from an interrupt and not initialization? */
if (TX_THREAD_GET_SYSTEM_STATE() < TX_INITIALIZE_IN_PROGRESS)
{
/* Invalid caller of this function, return appropriate error code. */
status = TX_CALLER_ERROR;
}
}
/* Determine if everything is okay. */
if (status == TX_SUCCESS)
{
/* Call actual secure stack allocate function. */
status = _tx_thread_secure_stack_free(thread_ptr);
}
/* Return completion status. */
return(status);
#endif
}
+21
View File
@@ -0,0 +1,21 @@
target_sources(${PROJECT_NAME} PRIVATE
${CMAKE_CURRENT_LIST_DIR}/src/txe_thread_secure_stack_allocate.c
${CMAKE_CURRENT_LIST_DIR}/src/txe_thread_secure_stack_free.c
${CMAKE_CURRENT_LIST_DIR}/src/tx_initialize_low_level.S
${CMAKE_CURRENT_LIST_DIR}/src/tx_thread_context_restore.S
${CMAKE_CURRENT_LIST_DIR}/src/tx_thread_context_save.S
${CMAKE_CURRENT_LIST_DIR}/src/tx_thread_interrupt_control.S
${CMAKE_CURRENT_LIST_DIR}/src/tx_thread_interrupt_disable.S
${CMAKE_CURRENT_LIST_DIR}/src/tx_thread_interrupt_restore.S
${CMAKE_CURRENT_LIST_DIR}/src/tx_thread_schedule.S
${CMAKE_CURRENT_LIST_DIR}/src/tx_thread_secure_stack.c
${CMAKE_CURRENT_LIST_DIR}/src/tx_thread_secure_stack_allocate.S
${CMAKE_CURRENT_LIST_DIR}/src/tx_thread_secure_stack_free.S
${CMAKE_CURRENT_LIST_DIR}/src/tx_thread_stack_build.S
${CMAKE_CURRENT_LIST_DIR}/src/tx_thread_system_return.S
${CMAKE_CURRENT_LIST_DIR}/src/tx_timer_interrupt.S
)
target_include_directories(${PROJECT_NAME} PUBLIC
inc
)
File diff suppressed because it is too large Load Diff
@@ -0,0 +1,61 @@
/**************************************************************************/
/* */
/* Copyright (c) Microsoft Corporation. All rights reserved. */
/* */
/* This software is licensed under the Microsoft Software License */
/* Terms for Microsoft Azure RTOS. Full text of the license can be */
/* found in the LICENSE file at https://aka.ms/AzureRTOS_EULA */
/* and in the root directory of this software. */
/* */
/**************************************************************************/
/**************************************************************************/
/**************************************************************************/
/** */
/** ThreadX Component */
/** */
/** Thread */
/** */
/**************************************************************************/
/**************************************************************************/
/**************************************************************************/
/* */
/* COMPONENT DEFINITION RELEASE */
/* */
/* tx_secure_interface.h PORTABLE C */
/* 6.1 */
/* AUTHOR */
/* */
/* Scott Larson, Microsoft Corporation */
/* */
/* DESCRIPTION */
/* */
/* This file defines the ThreadX secure thread stack components, */
/* including data types and external references. */
/* It is assumed that tx_api.h and tx_port.h have already been */
/* included. */
/* */
/* RELEASE HISTORY */
/* */
/* DATE NAME DESCRIPTION */
/* */
/* 09-30-2020 Scott Larson Initial Version 6.1 */
/* */
/**************************************************************************/
#ifndef TX_SECURE_INTERFACE_H
#define TX_SECURE_INTERFACE_H
/* Define internal secure thread stack function prototypes. */
extern UINT _tx_thread_secure_mode_stack_initialize(void);
extern UINT _tx_thread_secure_mode_stack_allocate(TX_THREAD *thread_ptr, ULONG stack_size);
extern UINT _tx_thread_secure_mode_stack_free(TX_THREAD *thread_ptr);
extern void _tx_thread_secure_stack_initialize(void);
extern void _tx_thread_secure_stack_context_save(TX_THREAD *thread_ptr);
extern void _tx_thread_secure_stack_context_restore(TX_THREAD *thread_ptr);
#endif
File diff suppressed because it is too large Load Diff
File diff suppressed because it is too large Load Diff
File diff suppressed because it is too large Load Diff
@@ -0,0 +1,83 @@
/**************************************************************************/
/* */
/* Copyright (c) Microsoft Corporation. All rights reserved. */
/* */
/* This software is licensed under the Microsoft Software License */
/* Terms for Microsoft Azure RTOS. Full text of the license can be */
/* found in the LICENSE file at https://aka.ms/AzureRTOS_EULA */
/* and in the root directory of this software. */
/* */
/**************************************************************************/
/**************************************************************************/
/**************************************************************************/
/** */
/** ThreadX Component */
/** */
/** Thread */
/** */
/**************************************************************************/
/**************************************************************************/
#if (defined(TX_ENABLE_EXECUTION_CHANGE_NOTIFY) || defined(TX_EXECUTION_PROFILE_ENABLE))
.global _tx_execution_isr_exit
#endif
/**************************************************************************/
/* */
/* FUNCTION RELEASE */
/* */
/* _tx_thread_context_restore Cortex-M55/GNU */
/* 6.1 */
/* AUTHOR */
/* */
/* Scott Larson, Microsoft Corporation */
/* */
/* DESCRIPTION */
/* */
/* This function is not needed for Cortex-M. */
/* */
/* INPUT */
/* */
/* None */
/* */
/* OUTPUT */
/* */
/* None */
/* */
/* CALLS */
/* */
/* [_tx_execution_isr_exit] Execution profiling ISR exit */
/* */
/* CALLED BY */
/* */
/* ISRs Interrupt Service Routines */
/* */
/* RELEASE HISTORY */
/* */
/* DATE NAME DESCRIPTION */
/* */
/* 09-30-2020 Scott Larson Initial Version 6.1 */
/* */
/**************************************************************************/
// VOID _tx_thread_context_restore(VOID)
// {
.section .text
.balign 4
.syntax unified
.eabi_attribute Tag_ABI_align_preserved, 1
.global _tx_thread_context_restore
.thumb_func
.type _tx_thread_context_restore, function
_tx_thread_context_restore:
#if (defined(TX_ENABLE_EXECUTION_CHANGE_NOTIFY) || defined(TX_EXECUTION_PROFILE_ENABLE))
/* Call the ISR exit function to indicate an ISR is complete. */
PUSH {r0, lr} // Save return address
BL _tx_execution_isr_exit // Call the ISR exit function
POP {r0, lr} // Recover return address
#endif
BX lr
// }
.end
@@ -0,0 +1,83 @@
/**************************************************************************/
/* */
/* Copyright (c) Microsoft Corporation. All rights reserved. */
/* */
/* This software is licensed under the Microsoft Software License */
/* Terms for Microsoft Azure RTOS. Full text of the license can be */
/* found in the LICENSE file at https://aka.ms/AzureRTOS_EULA */
/* and in the root directory of this software. */
/* */
/**************************************************************************/
/**************************************************************************/
/**************************************************************************/
/** */
/** ThreadX Component */
/** */
/** Thread */
/** */
/**************************************************************************/
/**************************************************************************/
#if (defined(TX_ENABLE_EXECUTION_CHANGE_NOTIFY) || defined(TX_EXECUTION_PROFILE_ENABLE))
.global _tx_execution_isr_enter
#endif
/**************************************************************************/
/* */
/* FUNCTION RELEASE */
/* */
/* _tx_thread_context_save Cortex-M55/GNU */
/* 6.1 */
/* AUTHOR */
/* */
/* Scott Larson, Microsoft Corporation */
/* */
/* DESCRIPTION */
/* */
/* This function is not needed for Cortex-M. */
/* */
/* INPUT */
/* */
/* None */
/* */
/* OUTPUT */
/* */
/* None */
/* */
/* CALLS */
/* */
/* [_tx_execution_isr_enter] Execution profiling ISR enter */
/* */
/* CALLED BY */
/* */
/* ISRs */
/* */
/* RELEASE HISTORY */
/* */
/* DATE NAME DESCRIPTION */
/* */
/* 09-30-2020 Scott Larson Initial Version 6.1 */
/* */
/**************************************************************************/
// VOID _tx_thread_context_save(VOID)
// {
.section .text
.balign 4
.syntax unified
.eabi_attribute Tag_ABI_align_preserved, 1
.global _tx_thread_context_save
.thumb_func
.type _tx_thread_context_save, function
_tx_thread_context_save:
#if (defined(TX_ENABLE_EXECUTION_CHANGE_NOTIFY) || defined(TX_EXECUTION_PROFILE_ENABLE))
/* Call the ISR enter function to indicate an ISR is starting. */
PUSH {r0, lr} // Save return address
BL _tx_execution_isr_enter // Call the ISR enter function
POP {r0, lr} // Recover return address
#endif
BX lr
// }
.end
@@ -0,0 +1,82 @@
/**************************************************************************/
/* */
/* Copyright (c) Microsoft Corporation. All rights reserved. */
/* */
/* This software is licensed under the Microsoft Software License */
/* Terms for Microsoft Azure RTOS. Full text of the license can be */
/* found in the LICENSE file at https://aka.ms/AzureRTOS_EULA */
/* and in the root directory of this software. */
/* */
/**************************************************************************/
/**************************************************************************/
/**************************************************************************/
/** */
/** ThreadX Component */
/** */
/** Thread */
/** */
/**************************************************************************/
/**************************************************************************/
/**************************************************************************/
/* */
/* FUNCTION RELEASE */
/* */
/* _tx_thread_interrupt_control Cortex-M55/GNU */
/* 6.1 */
/* AUTHOR */
/* */
/* Scott Larson, Microsoft Corporation */
/* */
/* DESCRIPTION */
/* */
/* This function is responsible for changing the interrupt lockout */
/* posture of the system. */
/* */
/* INPUT */
/* */
/* new_posture New interrupt lockout posture */
/* */
/* OUTPUT */
/* */
/* old_posture Old interrupt lockout posture */
/* */
/* CALLS */
/* */
/* None */
/* */
/* CALLED BY */
/* */
/* Application Code */
/* */
/* RELEASE HISTORY */
/* */
/* DATE NAME DESCRIPTION */
/* */
/* 09-30-2020 Scott Larson Initial Version 6.1 */
/* */
/**************************************************************************/
// UINT _tx_thread_interrupt_control(UINT new_posture)
// {
.section .text
.balign 4
.eabi_attribute Tag_ABI_align_preserved, 1
.global _tx_thread_interrupt_control
.thumb_func
.type _tx_thread_interrupt_control, function
_tx_thread_interrupt_control:
#ifdef TX_PORT_USE_BASEPRI
MRS r1, BASEPRI // Pickup current interrupt posture
MSR BASEPRI, r0 // Apply the new interrupt posture
MOV r0, r1 // Transfer old to return register
#else
MRS r1, PRIMASK // Pickup current interrupt lockout
MSR PRIMASK, r0 // Apply the new interrupt lockout
MOV r0, r1 // Transfer old to return register
#endif
BX lr // Return to caller
// }
.end
@@ -0,0 +1,83 @@
/**************************************************************************/
/* */
/* Copyright (c) Microsoft Corporation. All rights reserved. */
/* */
/* This software is licensed under the Microsoft Software License */
/* Terms for Microsoft Azure RTOS. Full text of the license can be */
/* found in the LICENSE file at https://aka.ms/AzureRTOS_EULA */
/* and in the root directory of this software. */
/* */
/**************************************************************************/
/**************************************************************************/
/**************************************************************************/
/** */
/** ThreadX Component */
/** */
/** Thread */
/** */
/**************************************************************************/
/**************************************************************************/
/**************************************************************************/
/* */
/* FUNCTION RELEASE */
/* */
/* _tx_thread_interrupt_disable Cortex-M55/GNU */
/* 6.1 */
/* AUTHOR */
/* */
/* Scott Larson, Microsoft Corporation */
/* */
/* DESCRIPTION */
/* */
/* This function is responsible for disabling interrupts and returning */
/* the previous interrupt lockout posture. */
/* */
/* INPUT */
/* */
/* None */
/* */
/* OUTPUT */
/* */
/* old_posture Old interrupt lockout posture */
/* */
/* CALLS */
/* */
/* None */
/* */
/* CALLED BY */
/* */
/* Application Code */
/* */
/* RELEASE HISTORY */
/* */
/* DATE NAME DESCRIPTION */
/* */
/* 09-30-2020 Scott Larson Initial Version 6.1 */
/* */
/**************************************************************************/
// UINT _tx_thread_interrupt_disable(VOID)
// {
.section .text
.balign 4
.syntax unified
.eabi_attribute Tag_ABI_align_preserved, 1
.global _tx_thread_interrupt_disable
.thumb_func
.type _tx_thread_interrupt_disable, function
_tx_thread_interrupt_disable:
/* Return current interrupt lockout posture. */
#ifdef TX_PORT_USE_BASEPRI
MRS r0, BASEPRI
LDR r1, =TX_PORT_BASEPRI
MSR BASEPRI, r1
#else
MRS r0, PRIMASK
CPSID i
#endif
BX lr
// }
.end
@@ -0,0 +1,80 @@
/**************************************************************************/
/* */
/* Copyright (c) Microsoft Corporation. All rights reserved. */
/* */
/* This software is licensed under the Microsoft Software License */
/* Terms for Microsoft Azure RTOS. Full text of the license can be */
/* found in the LICENSE file at https://aka.ms/AzureRTOS_EULA */
/* and in the root directory of this software. */
/* */
/**************************************************************************/
/**************************************************************************/
/**************************************************************************/
/** */
/** ThreadX Component */
/** */
/** Thread */
/** */
/**************************************************************************/
/**************************************************************************/
/**************************************************************************/
/* */
/* FUNCTION RELEASE */
/* */
/* _tx_thread_interrupt_restore Cortex-M55/GNU */
/* 6.1 */
/* AUTHOR */
/* */
/* Scott Larson, Microsoft Corporation */
/* */
/* DESCRIPTION */
/* */
/* This function is responsible for restoring the previous */
/* interrupt lockout posture. */
/* */
/* INPUT */
/* */
/* previous_posture Previous interrupt posture */
/* */
/* OUTPUT */
/* */
/* None */
/* */
/* CALLS */
/* */
/* None */
/* */
/* CALLED BY */
/* */
/* Application Code */
/* */
/* RELEASE HISTORY */
/* */
/* DATE NAME DESCRIPTION */
/* */
/* 09-30-2020 Scott Larson Initial Version 6.1 */
/* */
/**************************************************************************/
// VOID _tx_thread_interrupt_restore(UINT previous_posture)
// {
.section .text
.balign 4
.syntax unified
.eabi_attribute Tag_ABI_align_preserved, 1
.global _tx_thread_interrupt_restore
.thumb_func
.type _tx_thread_interrupt_restore, function
_tx_thread_interrupt_restore:
/* Restore previous interrupt lockout posture. */
#ifdef TX_PORT_USE_BASEPRI
MSR BASEPRI, r0
#else
MSR PRIMASK, r0
#endif
BX lr
// }
.end
File diff suppressed because it is too large Load Diff
File diff suppressed because it is too large Load Diff
@@ -0,0 +1,85 @@
/**************************************************************************/
/* */
/* Copyright (c) Microsoft Corporation. All rights reserved. */
/* */
/* This software is licensed under the Microsoft Software License */
/* Terms for Microsoft Azure RTOS. Full text of the license can be */
/* found in the LICENSE file at https://aka.ms/AzureRTOS_EULA */
/* and in the root directory of this software. */
/* */
/**************************************************************************/
/**************************************************************************/
/**************************************************************************/
/** */
/** ThreadX Component */
/** */
/** Thread */
/** */
/**************************************************************************/
/**************************************************************************/
/**************************************************************************/
/* */
/* FUNCTION RELEASE */
/* */
/* _tx_thread_secure_stack_allocate Cortex-M55/GNU */
/* 6.1 */
/* AUTHOR */
/* */
/* Scott Larson, Microsoft Corporation */
/* */
/* DESCRIPTION */
/* */
/* This function enters the SVC handler to allocate a secure stack. */
/* */
/* INPUT */
/* */
/* thread_ptr Thread control block pointer */
/* stack_size Size of secure stack to */
/* allocate */
/* */
/* OUTPUT */
/* */
/* status Actual completion status */
/* */
/* CALLS */
/* */
/* SVC 1 */
/* */
/* CALLED BY */
/* */
/* Application Code */
/* */
/* RELEASE HISTORY */
/* */
/* DATE NAME DESCRIPTION */
/* */
/* 09-30-2020 Scott Larson Initial Version 6.1 */
/* */
/**************************************************************************/
// UINT _tx_thread_secure_stack_allocate(TX_THREAD *thread_ptr, ULONG stack_size)
// {
.section .text
.balign 4
.syntax unified
.eabi_attribute Tag_ABI_align_preserved, 1
.global _tx_thread_secure_stack_allocate
.thumb_func
.type _tx_thread_secure_stack_allocate, function
_tx_thread_secure_stack_allocate:
#if !defined(TX_SINGLE_MODE_SECURE) && !defined(TX_SINGLE_MODE_NON_SECURE)
MRS r3, PRIMASK // Save interrupt mask
CPSIE i // Enable interrupts for SVC call
SVC 1
CMP r3, #0 // If interrupts enabled, just return
BEQ _alloc_return_interrupt_enabled
CPSID i // Otherwise, disable interrupts
#else
MOV r0, #0xFF // Feature not enabled
#endif
_alloc_return_interrupt_enabled:
BX lr
.end
@@ -0,0 +1,83 @@
/**************************************************************************/
/* */
/* Copyright (c) Microsoft Corporation. All rights reserved. */
/* */
/* This software is licensed under the Microsoft Software License */
/* Terms for Microsoft Azure RTOS. Full text of the license can be */
/* found in the LICENSE file at https://aka.ms/AzureRTOS_EULA */
/* and in the root directory of this software. */
/* */
/**************************************************************************/
/**************************************************************************/
/**************************************************************************/
/** */
/** ThreadX Component */
/** */
/** Thread */
/** */
/**************************************************************************/
/**************************************************************************/
/**************************************************************************/
/* */
/* FUNCTION RELEASE */
/* */
/* _tx_thread_secure_stack_free Cortex-M55/GNU */
/* 6.1 */
/* AUTHOR */
/* */
/* Scott Larson, Microsoft Corporation */
/* */
/* DESCRIPTION */
/* */
/* This function enters the SVC handler to free a secure stack. */
/* */
/* INPUT */
/* */
/* thread_ptr Thread control block pointer */
/* */
/* OUTPUT */
/* */
/* status Actual completion status */
/* */
/* CALLS */
/* */
/* SVC 2 */
/* */
/* CALLED BY */
/* */
/* Application Code */
/* */
/* RELEASE HISTORY */
/* */
/* DATE NAME DESCRIPTION */
/* */
/* 09-30-2020 Scott Larson Initial Version 6.1 */
/* */
/**************************************************************************/
// UINT _tx_thread_secure_stack_free(TX_THREAD *thread_ptr)
// {
.section .text
.balign 4
.syntax unified
.eabi_attribute Tag_ABI_align_preserved, 1
.global _tx_thread_secure_stack_free
.thumb_func
.type _tx_thread_secure_stack_free, function
_tx_thread_secure_stack_free:
#if !defined(TX_SINGLE_MODE_SECURE) && !defined(TX_SINGLE_MODE_NON_SECURE)
MRS r3, PRIMASK // Save interrupt mask
CPSIE i // Enable interrupts for SVC call
SVC 2
CMP r3, #0 // If interrupts enabled, just return
BEQ _free_return_interrupt_enabled
CPSID i // Otherwise, disable interrupts
#else
MOV r0, #0xFF // Feature not enabled
#endif
_free_return_interrupt_enabled:
BX lr
.end
@@ -0,0 +1,79 @@
/**************************************************************************/
/* */
/* Copyright (c) Microsoft Corporation. All rights reserved. */
/* */
/* This software is licensed under the Microsoft Software License */
/* Terms for Microsoft Azure RTOS. Full text of the license can be */
/* found in the LICENSE file at https://aka.ms/AzureRTOS_EULA */
/* and in the root directory of this software. */
/* */
/**************************************************************************/
/**************************************************************************/
/**************************************************************************/
/** */
/** ThreadX Component */
/** */
/** Thread */
/** */
/**************************************************************************/
/**************************************************************************/
/**************************************************************************/
/* */
/* FUNCTION RELEASE */
/* */
/* _tx_thread_secure_stack_initialize Cortex-M55/GNU */
/* 6.1.7 */
/* AUTHOR */
/* */
/* Scott Larson, Microsoft Corporation */
/* */
/* DESCRIPTION */
/* */
/* This function enters the SVC handler to initialize a secure stack. */
/* */
/* INPUT */
/* */
/* none */
/* */
/* OUTPUT */
/* */
/* none */
/* */
/* CALLS */
/* */
/* SVC 3 */
/* */
/* CALLED BY */
/* */
/* TX_INITIALIZE_KERNEL_ENTER_EXTENSION */
/* */
/* RELEASE HISTORY */
/* */
/* DATE NAME DESCRIPTION */
/* */
/* 06-02-2021 Scott Larson Initial Version 6.1.7 */
/* */
/**************************************************************************/
// VOID _tx_thread_secure_stack_initialize(VOID)
// {
.section .text
.balign 4
.syntax unified
.eabi_attribute Tag_ABI_align_preserved, 1
.global _tx_thread_secure_stack_initialize
.thumb_func
.type _tx_thread_secure_stack_initialize, function
_tx_thread_secure_stack_initialize:
#if !defined(TX_SINGLE_MODE_SECURE) && !defined(TX_SINGLE_MODE_NON_SECURE)
CPSIE i // Enable interrupts for SVC call
SVC 3
CPSID i // Disable interrupts
#else
MOV r0, #0xFF // Feature not enabled
#endif
BX lr
.end
@@ -0,0 +1,140 @@
/**************************************************************************/
/* */
/* Copyright (c) Microsoft Corporation. All rights reserved. */
/* */
/* This software is licensed under the Microsoft Software License */
/* Terms for Microsoft Azure RTOS. Full text of the license can be */
/* found in the LICENSE file at https://aka.ms/AzureRTOS_EULA */
/* and in the root directory of this software. */
/* */
/**************************************************************************/
/**************************************************************************/
/**************************************************************************/
/** */
/** ThreadX Component */
/** */
/** Thread */
/** */
/**************************************************************************/
/**************************************************************************/
/**************************************************************************/
/* */
/* FUNCTION RELEASE */
/* */
/* _tx_thread_stack_build Cortex-M55/GNU */
/* 6.1 */
/* AUTHOR */
/* */
/* Scott Larson, Microsoft Corporation */
/* */
/* DESCRIPTION */
/* */
/* This function builds a stack frame on the supplied thread's stack. */
/* The stack frame results in a fake interrupt return to the supplied */
/* function pointer. */
/* */
/* INPUT */
/* */
/* thread_ptr Pointer to thread control blk */
/* function_ptr Pointer to return function */
/* */
/* OUTPUT */
/* */
/* None */
/* */
/* CALLS */
/* */
/* None */
/* */
/* CALLED BY */
/* */
/* _tx_thread_create Create thread service */
/* */
/* RELEASE HISTORY */
/* */
/* DATE NAME DESCRIPTION */
/* */
/* 09-30-2020 Scott Larson Initial Version 6.1 */
/* */
/**************************************************************************/
// VOID _tx_thread_stack_build(TX_THREAD *thread_ptr, VOID (*function_ptr)(VOID))
// {
.section .text
.balign 4
.syntax unified
.eabi_attribute Tag_ABI_align_preserved, 1
.global _tx_thread_stack_build
.thumb_func
.type _tx_thread_stack_build, function
_tx_thread_stack_build:
/* Build a fake interrupt frame. The form of the fake interrupt stack
on the Cortex-M should look like the following after it is built:
Stack Top:
LR Interrupted LR (LR at time of PENDSV)
r4 Initial value for r4
r5 Initial value for r5
r6 Initial value for r6
r7 Initial value for r7
r8 Initial value for r8
r9 Initial value for r9
r10 Initial value for r10
r11 Initial value for r11
r0 Initial value for r0 (Hardware stack starts here!!)
r1 Initial value for r1
r2 Initial value for r2
r3 Initial value for r3
r12 Initial value for r12
lr Initial value for lr
pc Initial value for pc
xPSR Initial value for xPSR
Stack Bottom: (higher memory address) */
LDR r2, [r0, #16] // Pickup end of stack area
BIC r2, r2, #0x7 // Align frame for 8-byte alignment
SUB r2, r2, #68 // Subtract frame size
#ifdef TX_SINGLE_MODE_SECURE
LDR r3, =0xFFFFFFFD // Build initial LR value for secure mode
#else
LDR r3, =0xFFFFFFBC // Build initial LR value to return to non-secure PSP
#endif
STR r3, [r2, #0] // Save on the stack
/* Actually build the stack frame. */
MOV r3, #0 // Build initial register value
STR r3, [r2, #4] // Store initial r4
STR r3, [r2, #8] // Store initial r5
STR r3, [r2, #12] // Store initial r6
STR r3, [r2, #16] // Store initial r7
STR r3, [r2, #20] // Store initial r8
STR r3, [r2, #24] // Store initial r9
STR r3, [r2, #28] // Store initial r10
STR r3, [r2, #32] // Store initial r11
/* Hardware stack follows. */
STR r3, [r2, #36] // Store initial r0
STR r3, [r2, #40] // Store initial r1
STR r3, [r2, #44] // Store initial r2
STR r3, [r2, #48] // Store initial r3
STR r3, [r2, #52] // Store initial r12
MOV r3, #0xFFFFFFFF // Poison EXC_RETURN value
STR r3, [r2, #56] // Store initial lr
STR r1, [r2, #60] // Store initial pc
MOV r3, #0x01000000 // Only T-bit need be set
STR r3, [r2, #64] // Store initial xPSR
/* Setup stack pointer. */
// thread_ptr -> tx_thread_stack_ptr = r2;
STR r2, [r0, #8] // Save stack pointer in thread's
// control block
BX lr // Return to caller
// }
.end
@@ -0,0 +1,96 @@
/**************************************************************************/
/* */
/* Copyright (c) Microsoft Corporation. All rights reserved. */
/* */
/* This software is licensed under the Microsoft Software License */
/* Terms for Microsoft Azure RTOS. Full text of the license can be */
/* found in the LICENSE file at https://aka.ms/AzureRTOS_EULA */
/* and in the root directory of this software. */
/* */
/**************************************************************************/
/**************************************************************************/
/**************************************************************************/
/** */
/** ThreadX Component */
/** */
/** Thread */
/** */
/**************************************************************************/
/**************************************************************************/
/**************************************************************************/
/* */
/* FUNCTION RELEASE */
/* */
/* _tx_thread_system_return Cortex-M55/GNU */
/* 6.1 */
/* AUTHOR */
/* */
/* Scott Larson, Microsoft Corporation */
/* */
/* DESCRIPTION */
/* */
/* This function is target processor specific. It is used to transfer */
/* control from a thread back to the ThreadX system. Only a */
/* minimal context is saved since the compiler assumes temp registers */
/* are going to get slicked by a function call anyway. */
/* */
/* INPUT */
/* */
/* None */
/* */
/* OUTPUT */
/* */
/* None */
/* */
/* CALLS */
/* */
/* _tx_thread_schedule Thread scheduling loop */
/* */
/* CALLED BY */
/* */
/* ThreadX components */
/* */
/* RELEASE HISTORY */
/* */
/* DATE NAME DESCRIPTION */
/* */
/* 09-30-2020 Scott Larson Initial Version 6.1 */
/* */
/**************************************************************************/
// VOID _tx_thread_system_return(VOID)
// {
.section .text
.balign 4
.syntax unified
.eabi_attribute Tag_ABI_align_preserved, 1
.global _tx_thread_system_return
.thumb_func
.type _tx_thread_system_return, function
_tx_thread_system_return:
/* Return to real scheduler via PendSV. Note that this routine is often
replaced with in-line assembly in tx_port.h to improved performance. */
MOV r0, #0x10000000 // Load PENDSVSET bit
MOV r1, #0xE000E000 // Load NVIC base
STR r0, [r1, #0xD04] // Set PENDSVBIT in ICSR
MRS r0, IPSR // Pickup IPSR
CMP r0, #0 // Is it a thread returning?
BNE _isr_context // If ISR, skip interrupt enable
#ifdef TX_PORT_USE_BASEPRI
MRS r1, BASEPRI // Thread context returning, pickup BASEPRI
MOV r0, #0
MSR BASEPRI, r0 // Enable interrupts
MSR BASEPRI, r1 // Restore original interrupt posture
#else
MRS r1, PRIMASK // Thread context returning, pickup PRIMASK
CPSIE i // Enable interrupts
MSR PRIMASK, r1 // Restore original interrupt posture
#endif
_isr_context:
BX lr // Return to caller
// }
.end
File diff suppressed because it is too large Load Diff
@@ -0,0 +1,119 @@
/**************************************************************************/
/* */
/* Copyright (c) Microsoft Corporation. All rights reserved. */
/* */
/* This software is licensed under the Microsoft Software License */
/* Terms for Microsoft Azure RTOS. Full text of the license can be */
/* found in the LICENSE file at https://aka.ms/AzureRTOS_EULA */
/* and in the root directory of this software. */
/* */
/**************************************************************************/
/**************************************************************************/
/**************************************************************************/
/** */
/** ThreadX Component */
/** */
/** Thread */
/** */
/**************************************************************************/
/**************************************************************************/
#define TX_SOURCE_CODE
/* Include necessary system files. */
#include "tx_api.h"
#include "tx_initialize.h"
#include "tx_thread.h"
/**************************************************************************/
/* */
/* FUNCTION RELEASE */
/* */
/* _tx_thread_secure_stack_allocate Cortex-M55 */
/* 6.1 */
/* AUTHOR */
/* */
/* Scott Larson, Microsoft Corporation */
/* */
/* DESCRIPTION */
/* */
/* This function checks for errors in the secure stack allocate */
/* function call. */
/* */
/* INPUT */
/* */
/* thread_ptr Thread control block pointer */
/* stack_size Size of secure stack to */
/* allocate */
/* */
/* OUTPUT */
/* */
/* TX_THREAD_ERROR Invalid thread pointer */
/* TX_CALLER_ERROR Invalid caller of function */
/* status Actual completion status */
/* */
/* CALLS */
/* */
/* _tx_thread_secure_stack_allocate Actual stack alloc function */
/* */
/* CALLED BY */
/* */
/* Application Code */
/* */
/* RELEASE HISTORY */
/* */
/* DATE NAME DESCRIPTION */
/* */
/* 09-30-2020 Scott Larson Initial Version 6.1 */
/* */
/**************************************************************************/
UINT _txe_thread_secure_stack_allocate(TX_THREAD *thread_ptr, ULONG stack_size)
{
#if defined(TX_SINGLE_MODE_SECURE) || defined(TX_SINGLE_MODE_NON_SECURE)
return(TX_FEATURE_NOT_ENABLED);
#else
UINT status;
/* Default status to success. */
status = TX_SUCCESS;
/* Check for an invalid thread pointer. */
if (thread_ptr == TX_NULL)
{
/* Thread pointer is invalid, return appropriate error code. */
status = TX_THREAD_ERROR;
}
/* Now check for invalid thread ID. */
else if (thread_ptr -> tx_thread_id != TX_THREAD_ID)
{
/* Thread pointer is invalid, return appropriate error code. */
status = TX_THREAD_ERROR;
}
/* Check for interrupt call. */
if (TX_THREAD_GET_SYSTEM_STATE() != ((ULONG) 0))
{
/* Is call from an interrupt and not initialization? */
if (TX_THREAD_GET_SYSTEM_STATE() < TX_INITIALIZE_IN_PROGRESS)
{
/* Invalid caller of this function, return appropriate error code. */
status = TX_CALLER_ERROR;
}
}
/* Determine if everything is okay. */
if (status == TX_SUCCESS)
{
/* Call actual secure stack allocate function. */
status = _tx_thread_secure_stack_allocate(thread_ptr, stack_size);
}
/* Return completion status. */
return(status);
#endif
}
@@ -0,0 +1,120 @@
/**************************************************************************/
/* */
/* Copyright (c) Microsoft Corporation. All rights reserved. */
/* */
/* This software is licensed under the Microsoft Software License */
/* Terms for Microsoft Azure RTOS. Full text of the license can be */
/* found in the LICENSE file at https://aka.ms/AzureRTOS_EULA */
/* and in the root directory of this software. */
/* */
/**************************************************************************/
/**************************************************************************/
/**************************************************************************/
/** */
/** ThreadX Component */
/** */
/** Thread */
/** */
/**************************************************************************/
/**************************************************************************/
#define TX_SOURCE_CODE
/* Include necessary system files. */
#include "tx_api.h"
#include "tx_initialize.h"
#include "tx_thread.h"
/**************************************************************************/
/* */
/* FUNCTION RELEASE */
/* */
/* _txe_thread_secure_stack_free Cortex-M55 */
/* 6.1 */
/* AUTHOR */
/* */
/* Scott Larson, Microsoft Corporation */
/* */
/* DESCRIPTION */
/* */
/* This function checks for errors in the secure stack free */
/* function call. */
/* */
/* INPUT */
/* */
/* thread_ptr Thread control block pointer */
/* */
/* OUTPUT */
/* */
/* TX_THREAD_ERROR Invalid thread pointer */
/* TX_CALLER_ERROR Invalid caller of function */
/* status Actual completion status */
/* */
/* CALLS */
/* */
/* _tx_thread_secure_stack_free Actual stack free function */
/* */
/* CALLED BY */
/* */
/* Application Code */
/* */
/* RELEASE HISTORY */
/* */
/* DATE NAME DESCRIPTION */
/* */
/* 09-30-2020 Scott Larson Initial Version 6.1 */
/* */
/**************************************************************************/
UINT _txe_thread_secure_stack_free(TX_THREAD *thread_ptr)
{
#if defined(TX_SINGLE_MODE_SECURE) || defined(TX_SINGLE_MODE_NON_SECURE)
return(TX_FEATURE_NOT_ENABLED);
#else
UINT status;
/* Default status to success. */
status = TX_SUCCESS;
/* Check for an invalid thread pointer. */
if (thread_ptr == TX_NULL)
{
/* Thread pointer is invalid, return appropriate error code. */
status = TX_THREAD_ERROR;
}
/* Now check for invalid thread ID. */
else if (thread_ptr -> tx_thread_id != TX_THREAD_ID)
{
/* Thread pointer is invalid, return appropriate error code. */
status = TX_THREAD_ERROR;
}
/* Check for interrupt call. */
if (TX_THREAD_GET_SYSTEM_STATE() != ((ULONG) 0))
{
/* Is call from an interrupt and not initialization? */
if (TX_THREAD_GET_SYSTEM_STATE() < TX_INITIALIZE_IN_PROGRESS)
{
/* Invalid caller of this function, return appropriate error code. */
status = TX_CALLER_ERROR;
}
}
/* Determine if everything is okay. */
if (status == TX_SUCCESS)
{
/* Call actual secure stack allocate function. */
status = _tx_thread_secure_stack_free(thread_ptr);
}
/* Return completion status. */
return(status);
#endif
}
File diff suppressed because it is too large Load Diff
@@ -0,0 +1,61 @@
/**************************************************************************/
/* */
/* Copyright (c) Microsoft Corporation. All rights reserved. */
/* */
/* This software is licensed under the Microsoft Software License */
/* Terms for Microsoft Azure RTOS. Full text of the license can be */
/* found in the LICENSE file at https://aka.ms/AzureRTOS_EULA */
/* and in the root directory of this software. */
/* */
/**************************************************************************/
/**************************************************************************/
/**************************************************************************/
/** */
/** ThreadX Component */
/** */
/** Thread */
/** */
/**************************************************************************/
/**************************************************************************/
/**************************************************************************/
/* */
/* COMPONENT DEFINITION RELEASE */
/* */
/* tx_secure_interface.h PORTABLE C */
/* 6.1 */
/* AUTHOR */
/* */
/* Scott Larson, Microsoft Corporation */
/* */
/* DESCRIPTION */
/* */
/* This file defines the ThreadX secure thread stack components, */
/* including data types and external references. */
/* It is assumed that tx_api.h and tx_port.h have already been */
/* included. */
/* */
/* RELEASE HISTORY */
/* */
/* DATE NAME DESCRIPTION */
/* */
/* 09-30-2020 Scott Larson Initial Version 6.1 */
/* */
/**************************************************************************/
#ifndef TX_SECURE_INTERFACE_H
#define TX_SECURE_INTERFACE_H
/* Define internal secure thread stack function prototypes. */
extern UINT _tx_thread_secure_mode_stack_initialize(void);
extern UINT _tx_thread_secure_mode_stack_allocate(TX_THREAD *thread_ptr, ULONG stack_size);
extern UINT _tx_thread_secure_mode_stack_free(TX_THREAD *thread_ptr);
extern void _tx_thread_secure_stack_initialize(void);
extern void _tx_thread_secure_stack_context_save(TX_THREAD *thread_ptr);
extern void _tx_thread_secure_stack_context_restore(TX_THREAD *thread_ptr);
#endif
File diff suppressed because it is too large Load Diff
File diff suppressed because it is too large Load Diff
File diff suppressed because it is too large Load Diff
File diff suppressed because it is too large Load Diff
@@ -0,0 +1,77 @@
/**************************************************************************/
/* */
/* Copyright (c) Microsoft Corporation. All rights reserved. */
/* */
/* This software is licensed under the Microsoft Software License */
/* Terms for Microsoft Azure RTOS. Full text of the license can be */
/* found in the LICENSE file at https://aka.ms/AzureRTOS_EULA */
/* and in the root directory of this software. */
/* */
/**************************************************************************/
/**************************************************************************/
/**************************************************************************/
/** */
/** ThreadX Component */
/** */
/** Thread */
/** */
/**************************************************************************/
/**************************************************************************/
EXTERN _tx_execution_isr_exit
SECTION `.text`:CODE:NOROOT(2)
THUMB
/**************************************************************************/
/* */
/* FUNCTION RELEASE */
/* */
/* _tx_thread_context_restore Cortex-M55/IAR */
/* 6.1 */
/* AUTHOR */
/* */
/* Scott Larson, Microsoft Corporation */
/* */
/* DESCRIPTION */
/* */
/* This function is not needed for Cortex-M. */
/* */
/* INPUT */
/* */
/* None */
/* */
/* OUTPUT */
/* */
/* None */
/* */
/* CALLS */
/* */
/* [_tx_execution_isr_exit] Execution profiling ISR exit */
/* */
/* CALLED BY */
/* */
/* ISRs Interrupt Service Routines */
/* */
/* RELEASE HISTORY */
/* */
/* DATE NAME DESCRIPTION */
/* */
/* 09-30-2020 Scott Larson Initial Version 6.1 */
/* */
/**************************************************************************/
// VOID _tx_thread_context_restore(VOID)
// {
PUBLIC _tx_thread_context_restore
_tx_thread_context_restore:
#if (defined(TX_ENABLE_EXECUTION_CHANGE_NOTIFY) || defined(TX_EXECUTION_PROFILE_ENABLE))
/* Call the ISR exit function to indicate an ISR is complete. */
PUSH {r0, lr} // Save return address
BL _tx_execution_isr_exit // Call the ISR exit function
POP {r0, lr} // Recover return address
#endif
BX lr
// }
END
@@ -0,0 +1,77 @@
/**************************************************************************/
/* */
/* Copyright (c) Microsoft Corporation. All rights reserved. */
/* */
/* This software is licensed under the Microsoft Software License */
/* Terms for Microsoft Azure RTOS. Full text of the license can be */
/* found in the LICENSE file at https://aka.ms/AzureRTOS_EULA */
/* and in the root directory of this software. */
/* */
/**************************************************************************/
/**************************************************************************/
/**************************************************************************/
/** */
/** ThreadX Component */
/** */
/** Thread */
/** */
/**************************************************************************/
/**************************************************************************/
EXTERN _tx_execution_isr_enter
SECTION `.text`:CODE:NOROOT(2)
THUMB
/**************************************************************************/
/* */
/* FUNCTION RELEASE */
/* */
/* _tx_thread_context_save Cortex-M55/IAR */
/* 6.1 */
/* AUTHOR */
/* */
/* Scott Larson, Microsoft Corporation */
/* */
/* DESCRIPTION */
/* */
/* This function is not needed for Cortex-M. */
/* */
/* INPUT */
/* */
/* None */
/* */
/* OUTPUT */
/* */
/* None */
/* */
/* CALLS */
/* */
/* [_tx_execution_isr_enter] Execution profiling ISR enter */
/* */
/* CALLED BY */
/* */
/* ISRs */
/* */
/* RELEASE HISTORY */
/* */
/* DATE NAME DESCRIPTION */
/* */
/* 09-30-2020 Scott Larson Initial Version 6.1 */
/* */
/**************************************************************************/
// VOID _tx_thread_context_save(VOID)
// {
PUBLIC _tx_thread_context_save
_tx_thread_context_save:
#if (defined(TX_ENABLE_EXECUTION_CHANGE_NOTIFY) || defined(TX_EXECUTION_PROFILE_ENABLE))
/* Call the ISR enter function to indicate an ISR is starting. */
PUSH {r0, lr} // Save return address
BL _tx_execution_isr_enter // Call the ISR enter function
POP {r0, lr} // Recover return address
#endif
BX lr
// }
END
@@ -0,0 +1,78 @@
/**************************************************************************/
/* */
/* Copyright (c) Microsoft Corporation. All rights reserved. */
/* */
/* This software is licensed under the Microsoft Software License */
/* Terms for Microsoft Azure RTOS. Full text of the license can be */
/* found in the LICENSE file at https://aka.ms/AzureRTOS_EULA */
/* and in the root directory of this software. */
/* */
/**************************************************************************/
/**************************************************************************/
/**************************************************************************/
/** */
/** ThreadX Component */
/** */
/** Thread */
/** */
/**************************************************************************/
/**************************************************************************/
SECTION `.text`:CODE:NOROOT(2)
THUMB
/**************************************************************************/
/* */
/* FUNCTION RELEASE */
/* */
/* _tx_thread_interrupt_control Cortex-M55/IAR */
/* 6.1 */
/* AUTHOR */
/* */
/* Scott Larson, Microsoft Corporation */
/* */
/* DESCRIPTION */
/* */
/* This function is responsible for changing the interrupt lockout */
/* posture of the system. */
/* */
/* INPUT */
/* */
/* new_posture New interrupt lockout posture */
/* */
/* OUTPUT */
/* */
/* old_posture Old interrupt lockout posture */
/* */
/* CALLS */
/* */
/* None */
/* */
/* CALLED BY */
/* */
/* Application Code */
/* */
/* RELEASE HISTORY */
/* */
/* DATE NAME DESCRIPTION */
/* */
/* 09-30-2020 Scott Larson Initial Version 6.1 */
/* */
/**************************************************************************/
// UINT _tx_thread_interrupt_control(UINT new_posture)
// {
PUBLIC _tx_thread_interrupt_control
_tx_thread_interrupt_control:
#ifdef TX_PORT_USE_BASEPRI
MRS r1, BASEPRI // Pickup current interrupt posture
MSR BASEPRI, r0 // Apply the new interrupt posture
MOV r0, r1 // Transfer old to return register
#else
MRS r1, PRIMASK // Pickup current interrupt lockout
MSR PRIMASK, r0 // Apply the new interrupt lockout
MOV r0, r1 // Transfer old to return register
#endif
BX lr // Return to caller
// }
END
@@ -0,0 +1,78 @@
/**************************************************************************/
/* */
/* Copyright (c) Microsoft Corporation. All rights reserved. */
/* */
/* This software is licensed under the Microsoft Software License */
/* Terms for Microsoft Azure RTOS. Full text of the license can be */
/* found in the LICENSE file at https://aka.ms/AzureRTOS_EULA */
/* and in the root directory of this software. */
/* */
/**************************************************************************/
/**************************************************************************/
/**************************************************************************/
/** */
/** ThreadX Component */
/** */
/** Thread */
/** */
/**************************************************************************/
/**************************************************************************/
SECTION `.text`:CODE:NOROOT(2)
THUMB
/**************************************************************************/
/* */
/* FUNCTION RELEASE */
/* */
/* _tx_thread_interrupt_disable Cortex-M55/IAR */
/* 6.1 */
/* AUTHOR */
/* */
/* Scott Larson, Microsoft Corporation */
/* */
/* DESCRIPTION */
/* */
/* This function is responsible for disabling interrupts and returning */
/* the previous interrupt lockout posture. */
/* */
/* INPUT */
/* */
/* None */
/* */
/* OUTPUT */
/* */
/* old_posture Old interrupt lockout posture */
/* */
/* CALLS */
/* */
/* None */
/* */
/* CALLED BY */
/* */
/* Application Code */
/* */
/* RELEASE HISTORY */
/* */
/* DATE NAME DESCRIPTION */
/* */
/* 09-30-2020 Scott Larson Initial Version 6.1 */
/* */
/**************************************************************************/
// UINT _tx_thread_interrupt_disable(VOID)
// {
PUBLIC _tx_thread_interrupt_disable
_tx_thread_interrupt_disable:
/* Return current interrupt lockout posture. */
#ifdef TX_PORT_USE_BASEPRI
MRS r0, BASEPRI
LDR r1, =TX_PORT_BASEPRI
MSR BASEPRI, r1
#else
MRS r0, PRIMASK
CPSID i
#endif
BX lr
// }
END
@@ -0,0 +1,75 @@
/**************************************************************************/
/* */
/* Copyright (c) Microsoft Corporation. All rights reserved. */
/* */
/* This software is licensed under the Microsoft Software License */
/* Terms for Microsoft Azure RTOS. Full text of the license can be */
/* found in the LICENSE file at https://aka.ms/AzureRTOS_EULA */
/* and in the root directory of this software. */
/* */
/**************************************************************************/
/**************************************************************************/
/**************************************************************************/
/** */
/** ThreadX Component */
/** */
/** Thread */
/** */
/**************************************************************************/
/**************************************************************************/
SECTION `.text`:CODE:NOROOT(2)
THUMB
/**************************************************************************/
/* */
/* FUNCTION RELEASE */
/* */
/* _tx_thread_interrupt_restore Cortex-M55/IAR */
/* 6.1 */
/* AUTHOR */
/* */
/* Scott Larson, Microsoft Corporation */
/* */
/* DESCRIPTION */
/* */
/* This function is responsible for restoring the previous */
/* interrupt lockout posture. */
/* */
/* INPUT */
/* */
/* previous_posture Previous interrupt posture */
/* */
/* OUTPUT */
/* */
/* None */
/* */
/* CALLS */
/* */
/* None */
/* */
/* CALLED BY */
/* */
/* Application Code */
/* */
/* RELEASE HISTORY */
/* */
/* DATE NAME DESCRIPTION */
/* */
/* 09-30-2020 Scott Larson Initial Version 6.1 */
/* */
/**************************************************************************/
// VOID _tx_thread_interrupt_restore(UINT previous_posture)
// {
PUBLIC _tx_thread_interrupt_restore
_tx_thread_interrupt_restore:
/* Restore previous interrupt lockout posture. */
#ifdef TX_PORT_USE_BASEPRI
MSR BASEPRI, r0
#else
MSR PRIMASK, r0
#endif
BX lr
// }
END
File diff suppressed because it is too large Load Diff
File diff suppressed because it is too large Load Diff
@@ -0,0 +1,80 @@
/**************************************************************************/
/* */
/* Copyright (c) Microsoft Corporation. All rights reserved. */
/* */
/* This software is licensed under the Microsoft Software License */
/* Terms for Microsoft Azure RTOS. Full text of the license can be */
/* found in the LICENSE file at https://aka.ms/AzureRTOS_EULA */
/* and in the root directory of this software. */
/* */
/**************************************************************************/
/**************************************************************************/
/**************************************************************************/
/** */
/** ThreadX Component */
/** */
/** Thread */
/** */
/**************************************************************************/
/**************************************************************************/
SECTION `.text`:CODE:NOROOT(2)
THUMB
/**************************************************************************/
/* */
/* FUNCTION RELEASE */
/* */
/* _tx_thread_secure_stack_allocate Cortex-M55/IAR */
/* 6.1 */
/* AUTHOR */
/* */
/* Scott Larson, Microsoft Corporation */
/* */
/* DESCRIPTION */
/* */
/* This function enters the SVC handler to allocate a secure stack. */
/* */
/* INPUT */
/* */
/* thread_ptr Thread control block pointer */
/* stack_size Size of secure stack to */
/* allocate */
/* */
/* OUTPUT */
/* */
/* status Actual completion status */
/* */
/* CALLS */
/* */
/* SVC 1 */
/* */
/* CALLED BY */
/* */
/* Application Code */
/* */
/* RELEASE HISTORY */
/* */
/* DATE NAME DESCRIPTION */
/* */
/* 09-30-2020 Scott Larson Initial Version 6.1 */
/* */
/**************************************************************************/
// UINT _tx_thread_secure_stack_allocate(TX_THREAD *thread_ptr, ULONG stack_size)
// {
EXPORT _tx_thread_secure_stack_allocate
_tx_thread_secure_stack_allocate:
#if !defined(TX_SINGLE_MODE_SECURE) && !defined(TX_SINGLE_MODE_NON_SECURE)
MRS r3, PRIMASK // Save interrupt mask
CPSIE i // Enable interrupts for SVC call
SVC 1
CMP r3, #0 // If interrupts enabled, just return
BEQ _alloc_return_interrupt_enabled
CPSID i // Otherwise, disable interrupts
#else
MOV r0, #0xFF // Feature not enabled
#endif
_alloc_return_interrupt_enabled
BX lr
END
@@ -0,0 +1,78 @@
/**************************************************************************/
/* */
/* Copyright (c) Microsoft Corporation. All rights reserved. */
/* */
/* This software is licensed under the Microsoft Software License */
/* Terms for Microsoft Azure RTOS. Full text of the license can be */
/* found in the LICENSE file at https://aka.ms/AzureRTOS_EULA */
/* and in the root directory of this software. */
/* */
/**************************************************************************/
/**************************************************************************/
/**************************************************************************/
/** */
/** ThreadX Component */
/** */
/** Thread */
/** */
/**************************************************************************/
/**************************************************************************/
SECTION `.text`:CODE:NOROOT(2)
THUMB
/**************************************************************************/
/* */
/* FUNCTION RELEASE */
/* */
/* _tx_thread_secure_stack_free Cortex-M55/IAR */
/* 6.1 */
/* AUTHOR */
/* */
/* Scott Larson, Microsoft Corporation */
/* */
/* DESCRIPTION */
/* */
/* This function enters the SVC handler to free a secure stack. */
/* */
/* INPUT */
/* */
/* thread_ptr Thread control block pointer */
/* */
/* OUTPUT */
/* */
/* status Actual completion status */
/* */
/* CALLS */
/* */
/* SVC 2 */
/* */
/* CALLED BY */
/* */
/* Application Code */
/* */
/* RELEASE HISTORY */
/* */
/* DATE NAME DESCRIPTION */
/* */
/* 09-30-2020 Scott Larson Initial Version 6.1 */
/* */
/**************************************************************************/
// UINT _tx_thread_secure_stack_free(TX_THREAD *thread_ptr)
// {
EXPORT _tx_thread_secure_stack_free
_tx_thread_secure_stack_free:
#if !defined(TX_SINGLE_MODE_SECURE) && !defined(TX_SINGLE_MODE_NON_SECURE)
MRS r3, PRIMASK // Save interrupt mask
CPSIE i // Enable interrupts for SVC call
SVC 2
CMP r3, #0 // If interrupts enabled, just return
BEQ _free_return_interrupt_enabled
CPSID i // Otherwise, disable interrupts
#else
MOV r0, #0xFF // Feature not enabled
#endif
_free_return_interrupt_enabled
BX lr
END
@@ -0,0 +1,74 @@
/**************************************************************************/
/* */
/* Copyright (c) Microsoft Corporation. All rights reserved. */
/* */
/* This software is licensed under the Microsoft Software License */
/* Terms for Microsoft Azure RTOS. Full text of the license can be */
/* found in the LICENSE file at https://aka.ms/AzureRTOS_EULA */
/* and in the root directory of this software. */
/* */
/**************************************************************************/
/**************************************************************************/
/**************************************************************************/
/** */
/** ThreadX Component */
/** */
/** Thread */
/** */
/**************************************************************************/
/**************************************************************************/
SECTION `.text`:CODE:NOROOT(2)
THUMB
/**************************************************************************/
/* */
/* FUNCTION RELEASE */
/* */
/* _tx_thread_secure_stack_initialize Cortex-M55/IAR */
/* 6.1.7 */
/* AUTHOR */
/* */
/* Scott Larson, Microsoft Corporation */
/* */
/* DESCRIPTION */
/* */
/* This function enters the SVC handler to initialize a secure stack. */
/* */
/* INPUT */
/* */
/* none */
/* */
/* OUTPUT */
/* */
/* none */
/* */
/* CALLS */
/* */
/* SVC 3 */
/* */
/* CALLED BY */
/* */
/* TX_INITIALIZE_KERNEL_ENTER_EXTENSION */
/* */
/* RELEASE HISTORY */
/* */
/* DATE NAME DESCRIPTION */
/* */
/* 06-02-2021 Scott Larson Initial Version 6.1.7 */
/* */
/**************************************************************************/
// VOID _tx_thread_secure_stack_initialize(VOID)
// {
EXPORT _tx_thread_secure_stack_initialize
_tx_thread_secure_stack_initialize:
#if !defined(TX_SINGLE_MODE_SECURE) && !defined(TX_SINGLE_MODE_NON_SECURE)
CPSIE i // Enable interrupts for SVC call
SVC 3
CPSID i // Disable interrupts
#else
MOV r0, #0xFF // Feature not enabled
#endif
BX lr
END
@@ -0,0 +1,135 @@
/**************************************************************************/
/* */
/* Copyright (c) Microsoft Corporation. All rights reserved. */
/* */
/* This software is licensed under the Microsoft Software License */
/* Terms for Microsoft Azure RTOS. Full text of the license can be */
/* found in the LICENSE file at https://aka.ms/AzureRTOS_EULA */
/* and in the root directory of this software. */
/* */
/**************************************************************************/
/**************************************************************************/
/**************************************************************************/
/** */
/** ThreadX Component */
/** */
/** Thread */
/** */
/**************************************************************************/
/**************************************************************************/
SECTION `.text`:CODE:NOROOT(2)
THUMB
/**************************************************************************/
/* */
/* FUNCTION RELEASE */
/* */
/* _tx_thread_stack_build Cortex-M55/IAR */
/* 6.1.8 */
/* AUTHOR */
/* */
/* Scott Larson, Microsoft Corporation */
/* */
/* DESCRIPTION */
/* */
/* This function builds a stack frame on the supplied thread's stack. */
/* The stack frame results in a fake interrupt return to the supplied */
/* function pointer. */
/* */
/* INPUT */
/* */
/* thread_ptr Pointer to thread control blk */
/* function_ptr Pointer to return function */
/* */
/* OUTPUT */
/* */
/* None */
/* */
/* CALLS */
/* */
/* None */
/* */
/* CALLED BY */
/* */
/* _tx_thread_create Create thread service */
/* */
/* RELEASE HISTORY */
/* */
/* DATE NAME DESCRIPTION */
/* */
/* 09-30-2020 Scott Larson Initial Version 6.1 */
/* */
/**************************************************************************/
// VOID _tx_thread_stack_build(TX_THREAD *thread_ptr, VOID (*function_ptr)(VOID))
// {
PUBLIC _tx_thread_stack_build
_tx_thread_stack_build:
/* Build a fake interrupt frame. The form of the fake interrupt stack
on the Cortex-M should look like the following after it is built:
Stack Top:
LR Interrupted LR (LR at time of PENDSV)
r4 Initial value for r4
r5 Initial value for r5
r6 Initial value for r6
r7 Initial value for r7
r8 Initial value for r8
r9 Initial value for r9
r10 Initial value for r10
r11 Initial value for r11
r0 Initial value for r0 (Hardware stack starts here!!)
r1 Initial value for r1
r2 Initial value for r2
r3 Initial value for r3
r12 Initial value for r12
lr Initial value for lr
pc Initial value for pc
xPSR Initial value for xPSR
Stack Bottom: (higher memory address) */
LDR r2, [r0, #16] // Pickup end of stack area
BIC r2, r2, #0x7 // Align frame for 8-byte alignment
SUB r2, r2, #68 // Subtract frame size
#ifdef TX_SINGLE_MODE_SECURE
LDR r3, =0xFFFFFFFD // Build initial LR value for secure mode
#else
LDR r3, =0xFFFFFFBC // Build initial LR value to return to non-secure PSP
#endif
STR r3, [r2, #0] // Save on the stack
/* Actually build the stack frame. */
MOV r3, #0 // Build initial register value
STR r3, [r2, #4] // Store initial r4
STR r3, [r2, #8] // Store initial r5
STR r3, [r2, #12] // Store initial r6
STR r3, [r2, #16] // Store initial r7
STR r3, [r2, #20] // Store initial r8
STR r3, [r2, #24] // Store initial r9
STR r3, [r2, #28] // Store initial r10
STR r3, [r2, #32] // Store initial r11
/* Hardware stack follows. */
STR r3, [r2, #36] // Store initial r0
STR r3, [r2, #40] // Store initial r1
STR r3, [r2, #44] // Store initial r2
STR r3, [r2, #48] // Store initial r3
STR r3, [r2, #52] // Store initial r12
MOV r3, #0xFFFFFFFF // Poison EXC_RETURN value
STR r3, [r2, #56] // Store initial lr
STR r1, [r2, #60] // Store initial pc
MOV r3, #0x01000000 // Only T-bit need be set
STR r3, [r2, #64] // Store initial xPSR
/* Setup stack pointer. */
// thread_ptr -> tx_thread_stack_ptr = r2;
STR r2, [r0, #8] // Save stack pointer in thread's
// control block
BX lr // Return to caller
// }
END
@@ -0,0 +1,91 @@
/**************************************************************************/
/* */
/* Copyright (c) Microsoft Corporation. All rights reserved. */
/* */
/* This software is licensed under the Microsoft Software License */
/* Terms for Microsoft Azure RTOS. Full text of the license can be */
/* found in the LICENSE file at https://aka.ms/AzureRTOS_EULA */
/* and in the root directory of this software. */
/* */
/**************************************************************************/
/**************************************************************************/
/**************************************************************************/
/** */
/** ThreadX Component */
/** */
/** Thread */
/** */
/**************************************************************************/
/**************************************************************************/
SECTION `.text`:CODE:NOROOT(2)
THUMB
/**************************************************************************/
/* */
/* FUNCTION RELEASE */
/* */
/* _tx_thread_system_return Cortex-M55/IAR */
/* 6.1 */
/* AUTHOR */
/* */
/* Scott Larson, Microsoft Corporation */
/* */
/* DESCRIPTION */
/* */
/* This function is target processor specific. It is used to transfer */
/* control from a thread back to the ThreadX system. Only a */
/* minimal context is saved since the compiler assumes temp registers */
/* are going to get slicked by a function call anyway. */
/* */
/* INPUT */
/* */
/* None */
/* */
/* OUTPUT */
/* */
/* None */
/* */
/* CALLS */
/* */
/* _tx_thread_schedule Thread scheduling loop */
/* */
/* CALLED BY */
/* */
/* ThreadX components */
/* */
/* RELEASE HISTORY */
/* */
/* DATE NAME DESCRIPTION */
/* */
/* 09-30-2020 Scott Larson Initial Version 6.1 */
/* */
/**************************************************************************/
// VOID _tx_thread_system_return(VOID)
// {
PUBLIC _tx_thread_system_return
_tx_thread_system_return:
/* Return to real scheduler via PendSV. Note that this routine is often
replaced with in-line assembly in tx_port.h to improved performance. */
MOV r0, #0x10000000 // Load PENDSVSET bit
MOV r1, #0xE000E000 // Load NVIC base
STR r0, [r1, #0xD04] // Set PENDSVBIT in ICSR
MRS r0, IPSR // Pickup IPSR
CMP r0, #0 // Is it a thread returning?
BNE _isr_context // If ISR, skip interrupt enable
#ifdef TX_PORT_USE_BASEPRI
MRS r1, BASEPRI // Thread context returning, pickup BASEPRI
MOV r0, #0
MSR BASEPRI, r0 // Enable interrupts
MSR BASEPRI, r1 // Restore original interrupt posture
#else
MRS r1, PRIMASK // Thread context returning, pickup PRIMASK
CPSIE i // Enable interrupts
MSR PRIMASK, r1 // Restore original interrupt posture
#endif
_isr_context:
BX lr // Return to caller
// }
END
File diff suppressed because it is too large Load Diff
@@ -0,0 +1,119 @@
/**************************************************************************/
/* */
/* Copyright (c) Microsoft Corporation. All rights reserved. */
/* */
/* This software is licensed under the Microsoft Software License */
/* Terms for Microsoft Azure RTOS. Full text of the license can be */
/* found in the LICENSE file at https://aka.ms/AzureRTOS_EULA */
/* and in the root directory of this software. */
/* */
/**************************************************************************/
/**************************************************************************/
/**************************************************************************/
/** */
/** ThreadX Component */
/** */
/** Thread */
/** */
/**************************************************************************/
/**************************************************************************/
#define TX_SOURCE_CODE
/* Include necessary system files. */
#include "tx_api.h"
#include "tx_initialize.h"
#include "tx_thread.h"
/**************************************************************************/
/* */
/* FUNCTION RELEASE */
/* */
/* _tx_thread_secure_stack_allocate Cortex-M55 */
/* 6.1 */
/* AUTHOR */
/* */
/* Scott Larson, Microsoft Corporation */
/* */
/* DESCRIPTION */
/* */
/* This function checks for errors in the secure stack allocate */
/* function call. */
/* */
/* INPUT */
/* */
/* thread_ptr Thread control block pointer */
/* stack_size Size of secure stack to */
/* allocate */
/* */
/* OUTPUT */
/* */
/* TX_THREAD_ERROR Invalid thread pointer */
/* TX_CALLER_ERROR Invalid caller of function */
/* status Actual completion status */
/* */
/* CALLS */
/* */
/* _tx_thread_secure_stack_allocate Actual stack alloc function */
/* */
/* CALLED BY */
/* */
/* Application Code */
/* */
/* RELEASE HISTORY */
/* */
/* DATE NAME DESCRIPTION */
/* */
/* 09-30-2020 Scott Larson Initial Version 6.1 */
/* */
/**************************************************************************/
UINT _txe_thread_secure_stack_allocate(TX_THREAD *thread_ptr, ULONG stack_size)
{
#if defined(TX_SINGLE_MODE_SECURE) || defined(TX_SINGLE_MODE_NON_SECURE)
return(TX_FEATURE_NOT_ENABLED);
#else
UINT status;
/* Default status to success. */
status = TX_SUCCESS;
/* Check for an invalid thread pointer. */
if (thread_ptr == TX_NULL)
{
/* Thread pointer is invalid, return appropriate error code. */
status = TX_THREAD_ERROR;
}
/* Now check for invalid thread ID. */
else if (thread_ptr -> tx_thread_id != TX_THREAD_ID)
{
/* Thread pointer is invalid, return appropriate error code. */
status = TX_THREAD_ERROR;
}
/* Check for interrupt call. */
if (TX_THREAD_GET_SYSTEM_STATE() != ((ULONG) 0))
{
/* Is call from an interrupt and not initialization? */
if (TX_THREAD_GET_SYSTEM_STATE() < TX_INITIALIZE_IN_PROGRESS)
{
/* Invalid caller of this function, return appropriate error code. */
status = TX_CALLER_ERROR;
}
}
/* Determine if everything is okay. */
if (status == TX_SUCCESS)
{
/* Call actual secure stack allocate function. */
status = _tx_thread_secure_stack_allocate(thread_ptr, stack_size);
}
/* Return completion status. */
return(status);
#endif
}
@@ -0,0 +1,120 @@
/**************************************************************************/
/* */
/* Copyright (c) Microsoft Corporation. All rights reserved. */
/* */
/* This software is licensed under the Microsoft Software License */
/* Terms for Microsoft Azure RTOS. Full text of the license can be */
/* found in the LICENSE file at https://aka.ms/AzureRTOS_EULA */
/* and in the root directory of this software. */
/* */
/**************************************************************************/
/**************************************************************************/
/**************************************************************************/
/** */
/** ThreadX Component */
/** */
/** Thread */
/** */
/**************************************************************************/
/**************************************************************************/
#define TX_SOURCE_CODE
/* Include necessary system files. */
#include "tx_api.h"
#include "tx_initialize.h"
#include "tx_thread.h"
/**************************************************************************/
/* */
/* FUNCTION RELEASE */
/* */
/* _txe_thread_secure_stack_free Cortex-M55 */
/* 6.1 */
/* AUTHOR */
/* */
/* Scott Larson, Microsoft Corporation */
/* */
/* DESCRIPTION */
/* */
/* This function checks for errors in the secure stack free */
/* function call. */
/* */
/* INPUT */
/* */
/* thread_ptr Thread control block pointer */
/* */
/* OUTPUT */
/* */
/* TX_THREAD_ERROR Invalid thread pointer */
/* TX_CALLER_ERROR Invalid caller of function */
/* status Actual completion status */
/* */
/* CALLS */
/* */
/* _tx_thread_secure_stack_free Actual stack free function */
/* */
/* CALLED BY */
/* */
/* Application Code */
/* */
/* RELEASE HISTORY */
/* */
/* DATE NAME DESCRIPTION */
/* */
/* 09-30-2020 Scott Larson Initial Version 6.1 */
/* */
/**************************************************************************/
UINT _txe_thread_secure_stack_free(TX_THREAD *thread_ptr)
{
#if defined(TX_SINGLE_MODE_SECURE) || defined(TX_SINGLE_MODE_NON_SECURE)
return(TX_FEATURE_NOT_ENABLED);
#else
UINT status;
/* Default status to success. */
status = TX_SUCCESS;
/* Check for an invalid thread pointer. */
if (thread_ptr == TX_NULL)
{
/* Thread pointer is invalid, return appropriate error code. */
status = TX_THREAD_ERROR;
}
/* Now check for invalid thread ID. */
else if (thread_ptr -> tx_thread_id != TX_THREAD_ID)
{
/* Thread pointer is invalid, return appropriate error code. */
status = TX_THREAD_ERROR;
}
/* Check for interrupt call. */
if (TX_THREAD_GET_SYSTEM_STATE() != ((ULONG) 0))
{
/* Is call from an interrupt and not initialization? */
if (TX_THREAD_GET_SYSTEM_STATE() < TX_INITIALIZE_IN_PROGRESS)
{
/* Invalid caller of this function, return appropriate error code. */
status = TX_CALLER_ERROR;
}
}
/* Determine if everything is okay. */
if (status == TX_SUCCESS)
{
/* Call actual secure stack allocate function. */
status = _tx_thread_secure_stack_free(thread_ptr);
}
/* Return completion status. */
return(status);
#endif
}
+21
View File
@@ -0,0 +1,21 @@
target_sources(${PROJECT_NAME} PRIVATE
${CMAKE_CURRENT_LIST_DIR}/src/txe_thread_secure_stack_allocate.c
${CMAKE_CURRENT_LIST_DIR}/src/txe_thread_secure_stack_free.c
${CMAKE_CURRENT_LIST_DIR}/src/tx_initialize_low_level.S
${CMAKE_CURRENT_LIST_DIR}/src/tx_thread_context_restore.S
${CMAKE_CURRENT_LIST_DIR}/src/tx_thread_context_save.S
${CMAKE_CURRENT_LIST_DIR}/src/tx_thread_interrupt_control.S
${CMAKE_CURRENT_LIST_DIR}/src/tx_thread_interrupt_disable.S
${CMAKE_CURRENT_LIST_DIR}/src/tx_thread_interrupt_restore.S
${CMAKE_CURRENT_LIST_DIR}/src/tx_thread_schedule.S
${CMAKE_CURRENT_LIST_DIR}/src/tx_thread_secure_stack.c
${CMAKE_CURRENT_LIST_DIR}/src/tx_thread_secure_stack_allocate.S
${CMAKE_CURRENT_LIST_DIR}/src/tx_thread_secure_stack_free.S
${CMAKE_CURRENT_LIST_DIR}/src/tx_thread_stack_build.S
${CMAKE_CURRENT_LIST_DIR}/src/tx_thread_system_return.S
${CMAKE_CURRENT_LIST_DIR}/src/tx_timer_interrupt.S
)
target_include_directories(${PROJECT_NAME} PUBLIC
inc
)
File diff suppressed because it is too large Load Diff
@@ -0,0 +1,61 @@
/**************************************************************************/
/* */
/* Copyright (c) Microsoft Corporation. All rights reserved. */
/* */
/* This software is licensed under the Microsoft Software License */
/* Terms for Microsoft Azure RTOS. Full text of the license can be */
/* found in the LICENSE file at https://aka.ms/AzureRTOS_EULA */
/* and in the root directory of this software. */
/* */
/**************************************************************************/
/**************************************************************************/
/**************************************************************************/
/** */
/** ThreadX Component */
/** */
/** Thread */
/** */
/**************************************************************************/
/**************************************************************************/
/**************************************************************************/
/* */
/* COMPONENT DEFINITION RELEASE */
/* */
/* tx_secure_interface.h PORTABLE C */
/* 6.1 */
/* AUTHOR */
/* */
/* Scott Larson, Microsoft Corporation */
/* */
/* DESCRIPTION */
/* */
/* This file defines the ThreadX secure thread stack components, */
/* including data types and external references. */
/* It is assumed that tx_api.h and tx_port.h have already been */
/* included. */
/* */
/* RELEASE HISTORY */
/* */
/* DATE NAME DESCRIPTION */
/* */
/* 09-30-2020 Scott Larson Initial Version 6.1 */
/* */
/**************************************************************************/
#ifndef TX_SECURE_INTERFACE_H
#define TX_SECURE_INTERFACE_H
/* Define internal secure thread stack function prototypes. */
extern UINT _tx_thread_secure_mode_stack_initialize(void);
extern UINT _tx_thread_secure_mode_stack_allocate(TX_THREAD *thread_ptr, ULONG stack_size);
extern UINT _tx_thread_secure_mode_stack_free(TX_THREAD *thread_ptr);
extern void _tx_thread_secure_stack_initialize(void);
extern void _tx_thread_secure_stack_context_save(TX_THREAD *thread_ptr);
extern void _tx_thread_secure_stack_context_restore(TX_THREAD *thread_ptr);
#endif
File diff suppressed because it is too large Load Diff
File diff suppressed because it is too large Load Diff
File diff suppressed because it is too large Load Diff
@@ -0,0 +1,83 @@
/**************************************************************************/
/* */
/* Copyright (c) Microsoft Corporation. All rights reserved. */
/* */
/* This software is licensed under the Microsoft Software License */
/* Terms for Microsoft Azure RTOS. Full text of the license can be */
/* found in the LICENSE file at https://aka.ms/AzureRTOS_EULA */
/* and in the root directory of this software. */
/* */
/**************************************************************************/
/**************************************************************************/
/**************************************************************************/
/** */
/** ThreadX Component */
/** */
/** Thread */
/** */
/**************************************************************************/
/**************************************************************************/
#if (defined(TX_ENABLE_EXECUTION_CHANGE_NOTIFY) || defined(TX_EXECUTION_PROFILE_ENABLE))
.global _tx_execution_isr_exit
#endif
/**************************************************************************/
/* */
/* FUNCTION RELEASE */
/* */
/* _tx_thread_context_restore Cortex-M85/AC6 */
/* 6.1 */
/* AUTHOR */
/* */
/* Scott Larson, Microsoft Corporation */
/* */
/* DESCRIPTION */
/* */
/* This function is not needed for Cortex-M. */
/* */
/* INPUT */
/* */
/* None */
/* */
/* OUTPUT */
/* */
/* None */
/* */
/* CALLS */
/* */
/* [_tx_execution_isr_exit] Execution profiling ISR exit */
/* */
/* CALLED BY */
/* */
/* ISRs Interrupt Service Routines */
/* */
/* RELEASE HISTORY */
/* */
/* DATE NAME DESCRIPTION */
/* */
/* 09-30-2020 Scott Larson Initial Version 6.1 */
/* */
/**************************************************************************/
// VOID _tx_thread_context_restore(VOID)
// {
.section .text
.balign 4
.syntax unified
.eabi_attribute Tag_ABI_align_preserved, 1
.global _tx_thread_context_restore
.thumb_func
.type _tx_thread_context_restore, function
_tx_thread_context_restore:
#if (defined(TX_ENABLE_EXECUTION_CHANGE_NOTIFY) || defined(TX_EXECUTION_PROFILE_ENABLE))
/* Call the ISR exit function to indicate an ISR is complete. */
PUSH {r0, lr} // Save return address
BL _tx_execution_isr_exit // Call the ISR exit function
POP {r0, lr} // Recover return address
#endif
BX lr
// }
.end
@@ -0,0 +1,83 @@
/**************************************************************************/
/* */
/* Copyright (c) Microsoft Corporation. All rights reserved. */
/* */
/* This software is licensed under the Microsoft Software License */
/* Terms for Microsoft Azure RTOS. Full text of the license can be */
/* found in the LICENSE file at https://aka.ms/AzureRTOS_EULA */
/* and in the root directory of this software. */
/* */
/**************************************************************************/
/**************************************************************************/
/**************************************************************************/
/** */
/** ThreadX Component */
/** */
/** Thread */
/** */
/**************************************************************************/
/**************************************************************************/
#if (defined(TX_ENABLE_EXECUTION_CHANGE_NOTIFY) || defined(TX_EXECUTION_PROFILE_ENABLE))
.global _tx_execution_isr_enter
#endif
/**************************************************************************/
/* */
/* FUNCTION RELEASE */
/* */
/* _tx_thread_context_save Cortex-M85/AC6 */
/* 6.1 */
/* AUTHOR */
/* */
/* Scott Larson, Microsoft Corporation */
/* */
/* DESCRIPTION */
/* */
/* This function is not needed for Cortex-M. */
/* */
/* INPUT */
/* */
/* None */
/* */
/* OUTPUT */
/* */
/* None */
/* */
/* CALLS */
/* */
/* [_tx_execution_isr_enter] Execution profiling ISR enter */
/* */
/* CALLED BY */
/* */
/* ISRs */
/* */
/* RELEASE HISTORY */
/* */
/* DATE NAME DESCRIPTION */
/* */
/* 09-30-2020 Scott Larson Initial Version 6.1 */
/* */
/**************************************************************************/
// VOID _tx_thread_context_save(VOID)
// {
.section .text
.balign 4
.syntax unified
.eabi_attribute Tag_ABI_align_preserved, 1
.global _tx_thread_context_save
.thumb_func
.type _tx_thread_context_save, function
_tx_thread_context_save:
#if (defined(TX_ENABLE_EXECUTION_CHANGE_NOTIFY) || defined(TX_EXECUTION_PROFILE_ENABLE))
/* Call the ISR enter function to indicate an ISR is starting. */
PUSH {r0, lr} // Save return address
BL _tx_execution_isr_enter // Call the ISR enter function
POP {r0, lr} // Recover return address
#endif
BX lr
// }
.end
@@ -0,0 +1,82 @@
/**************************************************************************/
/* */
/* Copyright (c) Microsoft Corporation. All rights reserved. */
/* */
/* This software is licensed under the Microsoft Software License */
/* Terms for Microsoft Azure RTOS. Full text of the license can be */
/* found in the LICENSE file at https://aka.ms/AzureRTOS_EULA */
/* and in the root directory of this software. */
/* */
/**************************************************************************/
/**************************************************************************/
/**************************************************************************/
/** */
/** ThreadX Component */
/** */
/** Thread */
/** */
/**************************************************************************/
/**************************************************************************/
/**************************************************************************/
/* */
/* FUNCTION RELEASE */
/* */
/* _tx_thread_interrupt_control Cortex-M85/AC6 */
/* 6.1 */
/* AUTHOR */
/* */
/* Scott Larson, Microsoft Corporation */
/* */
/* DESCRIPTION */
/* */
/* This function is responsible for changing the interrupt lockout */
/* posture of the system. */
/* */
/* INPUT */
/* */
/* new_posture New interrupt lockout posture */
/* */
/* OUTPUT */
/* */
/* old_posture Old interrupt lockout posture */
/* */
/* CALLS */
/* */
/* None */
/* */
/* CALLED BY */
/* */
/* Application Code */
/* */
/* RELEASE HISTORY */
/* */
/* DATE NAME DESCRIPTION */
/* */
/* 09-30-2020 Scott Larson Initial Version 6.1 */
/* */
/**************************************************************************/
// UINT _tx_thread_interrupt_control(UINT new_posture)
// {
.section .text
.balign 4
.eabi_attribute Tag_ABI_align_preserved, 1
.global _tx_thread_interrupt_control
.thumb_func
.type _tx_thread_interrupt_control, function
_tx_thread_interrupt_control:
#ifdef TX_PORT_USE_BASEPRI
MRS r1, BASEPRI // Pickup current interrupt posture
MSR BASEPRI, r0 // Apply the new interrupt posture
MOV r0, r1 // Transfer old to return register
#else
MRS r1, PRIMASK // Pickup current interrupt lockout
MSR PRIMASK, r0 // Apply the new interrupt lockout
MOV r0, r1 // Transfer old to return register
#endif
BX lr // Return to caller
// }
.end
@@ -0,0 +1,83 @@
/**************************************************************************/
/* */
/* Copyright (c) Microsoft Corporation. All rights reserved. */
/* */
/* This software is licensed under the Microsoft Software License */
/* Terms for Microsoft Azure RTOS. Full text of the license can be */
/* found in the LICENSE file at https://aka.ms/AzureRTOS_EULA */
/* and in the root directory of this software. */
/* */
/**************************************************************************/
/**************************************************************************/
/**************************************************************************/
/** */
/** ThreadX Component */
/** */
/** Thread */
/** */
/**************************************************************************/
/**************************************************************************/
/**************************************************************************/
/* */
/* FUNCTION RELEASE */
/* */
/* _tx_thread_interrupt_disable Cortex-M85/AC6 */
/* 6.1 */
/* AUTHOR */
/* */
/* Scott Larson, Microsoft Corporation */
/* */
/* DESCRIPTION */
/* */
/* This function is responsible for disabling interrupts and returning */
/* the previous interrupt lockout posture. */
/* */
/* INPUT */
/* */
/* None */
/* */
/* OUTPUT */
/* */
/* old_posture Old interrupt lockout posture */
/* */
/* CALLS */
/* */
/* None */
/* */
/* CALLED BY */
/* */
/* Application Code */
/* */
/* RELEASE HISTORY */
/* */
/* DATE NAME DESCRIPTION */
/* */
/* 09-30-2020 Scott Larson Initial Version 6.1 */
/* */
/**************************************************************************/
// UINT _tx_thread_interrupt_disable(VOID)
// {
.section .text
.balign 4
.syntax unified
.eabi_attribute Tag_ABI_align_preserved, 1
.global _tx_thread_interrupt_disable
.thumb_func
.type _tx_thread_interrupt_disable, function
_tx_thread_interrupt_disable:
/* Return current interrupt lockout posture. */
#ifdef TX_PORT_USE_BASEPRI
MRS r0, BASEPRI
LDR r1, =TX_PORT_BASEPRI
MSR BASEPRI, r1
#else
MRS r0, PRIMASK
CPSID i
#endif
BX lr
// }
.end
@@ -0,0 +1,80 @@
/**************************************************************************/
/* */
/* Copyright (c) Microsoft Corporation. All rights reserved. */
/* */
/* This software is licensed under the Microsoft Software License */
/* Terms for Microsoft Azure RTOS. Full text of the license can be */
/* found in the LICENSE file at https://aka.ms/AzureRTOS_EULA */
/* and in the root directory of this software. */
/* */
/**************************************************************************/
/**************************************************************************/
/**************************************************************************/
/** */
/** ThreadX Component */
/** */
/** Thread */
/** */
/**************************************************************************/
/**************************************************************************/
/**************************************************************************/
/* */
/* FUNCTION RELEASE */
/* */
/* _tx_thread_interrupt_restore Cortex-M85/AC6 */
/* 6.1 */
/* AUTHOR */
/* */
/* Scott Larson, Microsoft Corporation */
/* */
/* DESCRIPTION */
/* */
/* This function is responsible for restoring the previous */
/* interrupt lockout posture. */
/* */
/* INPUT */
/* */
/* previous_posture Previous interrupt posture */
/* */
/* OUTPUT */
/* */
/* None */
/* */
/* CALLS */
/* */
/* None */
/* */
/* CALLED BY */
/* */
/* Application Code */
/* */
/* RELEASE HISTORY */
/* */
/* DATE NAME DESCRIPTION */
/* */
/* 09-30-2020 Scott Larson Initial Version 6.1 */
/* */
/**************************************************************************/
// VOID _tx_thread_interrupt_restore(UINT previous_posture)
// {
.section .text
.balign 4
.syntax unified
.eabi_attribute Tag_ABI_align_preserved, 1
.global _tx_thread_interrupt_restore
.thumb_func
.type _tx_thread_interrupt_restore, function
_tx_thread_interrupt_restore:
/* Restore previous interrupt lockout posture. */
#ifdef TX_PORT_USE_BASEPRI
MSR BASEPRI, r0
#else
MSR PRIMASK, r0
#endif
BX lr
// }
.end
File diff suppressed because it is too large Load Diff
File diff suppressed because it is too large Load Diff
@@ -0,0 +1,85 @@
/**************************************************************************/
/* */
/* Copyright (c) Microsoft Corporation. All rights reserved. */
/* */
/* This software is licensed under the Microsoft Software License */
/* Terms for Microsoft Azure RTOS. Full text of the license can be */
/* found in the LICENSE file at https://aka.ms/AzureRTOS_EULA */
/* and in the root directory of this software. */
/* */
/**************************************************************************/
/**************************************************************************/
/**************************************************************************/
/** */
/** ThreadX Component */
/** */
/** Thread */
/** */
/**************************************************************************/
/**************************************************************************/
/**************************************************************************/
/* */
/* FUNCTION RELEASE */
/* */
/* _tx_thread_secure_stack_allocate Cortex-M85/AC6 */
/* 6.1 */
/* AUTHOR */
/* */
/* Scott Larson, Microsoft Corporation */
/* */
/* DESCRIPTION */
/* */
/* This function enters the SVC handler to allocate a secure stack. */
/* */
/* INPUT */
/* */
/* thread_ptr Thread control block pointer */
/* stack_size Size of secure stack to */
/* allocate */
/* */
/* OUTPUT */
/* */
/* status Actual completion status */
/* */
/* CALLS */
/* */
/* SVC 1 */
/* */
/* CALLED BY */
/* */
/* Application Code */
/* */
/* RELEASE HISTORY */
/* */
/* DATE NAME DESCRIPTION */
/* */
/* 09-30-2020 Scott Larson Initial Version 6.1 */
/* */
/**************************************************************************/
// UINT _tx_thread_secure_stack_allocate(TX_THREAD *thread_ptr, ULONG stack_size)
// {
.section .text
.balign 4
.syntax unified
.eabi_attribute Tag_ABI_align_preserved, 1
.global _tx_thread_secure_stack_allocate
.thumb_func
.type _tx_thread_secure_stack_allocate, function
_tx_thread_secure_stack_allocate:
#if !defined(TX_SINGLE_MODE_SECURE) && !defined(TX_SINGLE_MODE_NON_SECURE)
MRS r3, PRIMASK // Save interrupt mask
CPSIE i // Enable interrupts for SVC call
SVC 1
CMP r3, #0 // If interrupts enabled, just return
BEQ _alloc_return_interrupt_enabled
CPSID i // Otherwise, disable interrupts
#else
MOV r0, #0xFF // Feature not enabled
#endif
_alloc_return_interrupt_enabled:
BX lr
.end
@@ -0,0 +1,83 @@
/**************************************************************************/
/* */
/* Copyright (c) Microsoft Corporation. All rights reserved. */
/* */
/* This software is licensed under the Microsoft Software License */
/* Terms for Microsoft Azure RTOS. Full text of the license can be */
/* found in the LICENSE file at https://aka.ms/AzureRTOS_EULA */
/* and in the root directory of this software. */
/* */
/**************************************************************************/
/**************************************************************************/
/**************************************************************************/
/** */
/** ThreadX Component */
/** */
/** Thread */
/** */
/**************************************************************************/
/**************************************************************************/
/**************************************************************************/
/* */
/* FUNCTION RELEASE */
/* */
/* _tx_thread_secure_stack_free Cortex-M85/AC6 */
/* 6.1 */
/* AUTHOR */
/* */
/* Scott Larson, Microsoft Corporation */
/* */
/* DESCRIPTION */
/* */
/* This function enters the SVC handler to free a secure stack. */
/* */
/* INPUT */
/* */
/* thread_ptr Thread control block pointer */
/* */
/* OUTPUT */
/* */
/* status Actual completion status */
/* */
/* CALLS */
/* */
/* SVC 2 */
/* */
/* CALLED BY */
/* */
/* Application Code */
/* */
/* RELEASE HISTORY */
/* */
/* DATE NAME DESCRIPTION */
/* */
/* 09-30-2020 Scott Larson Initial Version 6.1 */
/* */
/**************************************************************************/
// UINT _tx_thread_secure_stack_free(TX_THREAD *thread_ptr)
// {
.section .text
.balign 4
.syntax unified
.eabi_attribute Tag_ABI_align_preserved, 1
.global _tx_thread_secure_stack_free
.thumb_func
.type _tx_thread_secure_stack_free, function
_tx_thread_secure_stack_free:
#if !defined(TX_SINGLE_MODE_SECURE) && !defined(TX_SINGLE_MODE_NON_SECURE)
MRS r3, PRIMASK // Save interrupt mask
CPSIE i // Enable interrupts for SVC call
SVC 2
CMP r3, #0 // If interrupts enabled, just return
BEQ _free_return_interrupt_enabled
CPSID i // Otherwise, disable interrupts
#else
MOV r0, #0xFF // Feature not enabled
#endif
_free_return_interrupt_enabled:
BX lr
.end
@@ -0,0 +1,79 @@
/**************************************************************************/
/* */
/* Copyright (c) Microsoft Corporation. All rights reserved. */
/* */
/* This software is licensed under the Microsoft Software License */
/* Terms for Microsoft Azure RTOS. Full text of the license can be */
/* found in the LICENSE file at https://aka.ms/AzureRTOS_EULA */
/* and in the root directory of this software. */
/* */
/**************************************************************************/
/**************************************************************************/
/**************************************************************************/
/** */
/** ThreadX Component */
/** */
/** Thread */
/** */
/**************************************************************************/
/**************************************************************************/
/**************************************************************************/
/* */
/* FUNCTION RELEASE */
/* */
/* _tx_thread_secure_stack_initialize Cortex-M85/AC6 */
/* 6.1.7 */
/* AUTHOR */
/* */
/* Scott Larson, Microsoft Corporation */
/* */
/* DESCRIPTION */
/* */
/* This function enters the SVC handler to initialize a secure stack. */
/* */
/* INPUT */
/* */
/* none */
/* */
/* OUTPUT */
/* */
/* none */
/* */
/* CALLS */
/* */
/* SVC 3 */
/* */
/* CALLED BY */
/* */
/* TX_INITIALIZE_KERNEL_ENTER_EXTENSION */
/* */
/* RELEASE HISTORY */
/* */
/* DATE NAME DESCRIPTION */
/* */
/* 06-02-2021 Scott Larson Initial Version 6.1.7 */
/* */
/**************************************************************************/
// VOID _tx_thread_secure_stack_initialize(VOID)
// {
.section .text
.balign 4
.syntax unified
.eabi_attribute Tag_ABI_align_preserved, 1
.global _tx_thread_secure_stack_initialize
.thumb_func
.type _tx_thread_secure_stack_initialize, function
_tx_thread_secure_stack_initialize:
#if !defined(TX_SINGLE_MODE_SECURE) && !defined(TX_SINGLE_MODE_NON_SECURE)
CPSIE i // Enable interrupts for SVC call
SVC 3
CPSID i // Disable interrupts
#else
MOV r0, #0xFF // Feature not enabled
#endif
BX lr
.end
@@ -0,0 +1,140 @@
/**************************************************************************/
/* */
/* Copyright (c) Microsoft Corporation. All rights reserved. */
/* */
/* This software is licensed under the Microsoft Software License */
/* Terms for Microsoft Azure RTOS. Full text of the license can be */
/* found in the LICENSE file at https://aka.ms/AzureRTOS_EULA */
/* and in the root directory of this software. */
/* */
/**************************************************************************/
/**************************************************************************/
/**************************************************************************/
/** */
/** ThreadX Component */
/** */
/** Thread */
/** */
/**************************************************************************/
/**************************************************************************/
/**************************************************************************/
/* */
/* FUNCTION RELEASE */
/* */
/* _tx_thread_stack_build Cortex-M85/AC6 */
/* 6.1 */
/* AUTHOR */
/* */
/* Scott Larson, Microsoft Corporation */
/* */
/* DESCRIPTION */
/* */
/* This function builds a stack frame on the supplied thread's stack. */
/* The stack frame results in a fake interrupt return to the supplied */
/* function pointer. */
/* */
/* INPUT */
/* */
/* thread_ptr Pointer to thread control blk */
/* function_ptr Pointer to return function */
/* */
/* OUTPUT */
/* */
/* None */
/* */
/* CALLS */
/* */
/* None */
/* */
/* CALLED BY */
/* */
/* _tx_thread_create Create thread service */
/* */
/* RELEASE HISTORY */
/* */
/* DATE NAME DESCRIPTION */
/* */
/* 09-30-2020 Scott Larson Initial Version 6.1 */
/* */
/**************************************************************************/
// VOID _tx_thread_stack_build(TX_THREAD *thread_ptr, VOID (*function_ptr)(VOID))
// {
.section .text
.balign 4
.syntax unified
.eabi_attribute Tag_ABI_align_preserved, 1
.global _tx_thread_stack_build
.thumb_func
.type _tx_thread_stack_build, function
_tx_thread_stack_build:
/* Build a fake interrupt frame. The form of the fake interrupt stack
on the Cortex-M should look like the following after it is built:
Stack Top:
LR Interrupted LR (LR at time of PENDSV)
r4 Initial value for r4
r5 Initial value for r5
r6 Initial value for r6
r7 Initial value for r7
r8 Initial value for r8
r9 Initial value for r9
r10 Initial value for r10
r11 Initial value for r11
r0 Initial value for r0 (Hardware stack starts here!!)
r1 Initial value for r1
r2 Initial value for r2
r3 Initial value for r3
r12 Initial value for r12
lr Initial value for lr
pc Initial value for pc
xPSR Initial value for xPSR
Stack Bottom: (higher memory address) */
LDR r2, [r0, #16] // Pickup end of stack area
BIC r2, r2, #0x7 // Align frame for 8-byte alignment
SUB r2, r2, #68 // Subtract frame size
#ifdef TX_SINGLE_MODE_SECURE
LDR r3, =0xFFFFFFFD // Build initial LR value for secure mode
#else
LDR r3, =0xFFFFFFBC // Build initial LR value to return to non-secure PSP
#endif
STR r3, [r2, #0] // Save on the stack
/* Actually build the stack frame. */
MOV r3, #0 // Build initial register value
STR r3, [r2, #4] // Store initial r4
STR r3, [r2, #8] // Store initial r5
STR r3, [r2, #12] // Store initial r6
STR r3, [r2, #16] // Store initial r7
STR r3, [r2, #20] // Store initial r8
STR r3, [r2, #24] // Store initial r9
STR r3, [r2, #28] // Store initial r10
STR r3, [r2, #32] // Store initial r11
/* Hardware stack follows. */
STR r3, [r2, #36] // Store initial r0
STR r3, [r2, #40] // Store initial r1
STR r3, [r2, #44] // Store initial r2
STR r3, [r2, #48] // Store initial r3
STR r3, [r2, #52] // Store initial r12
MOV r3, #0xFFFFFFFF // Poison EXC_RETURN value
STR r3, [r2, #56] // Store initial lr
STR r1, [r2, #60] // Store initial pc
MOV r3, #0x01000000 // Only T-bit need be set
STR r3, [r2, #64] // Store initial xPSR
/* Setup stack pointer. */
// thread_ptr -> tx_thread_stack_ptr = r2;
STR r2, [r0, #8] // Save stack pointer in thread's
// control block
BX lr // Return to caller
// }
.end
@@ -0,0 +1,96 @@
/**************************************************************************/
/* */
/* Copyright (c) Microsoft Corporation. All rights reserved. */
/* */
/* This software is licensed under the Microsoft Software License */
/* Terms for Microsoft Azure RTOS. Full text of the license can be */
/* found in the LICENSE file at https://aka.ms/AzureRTOS_EULA */
/* and in the root directory of this software. */
/* */
/**************************************************************************/
/**************************************************************************/
/**************************************************************************/
/** */
/** ThreadX Component */
/** */
/** Thread */
/** */
/**************************************************************************/
/**************************************************************************/
/**************************************************************************/
/* */
/* FUNCTION RELEASE */
/* */
/* _tx_thread_system_return Cortex-M85/AC6 */
/* 6.1 */
/* AUTHOR */
/* */
/* Scott Larson, Microsoft Corporation */
/* */
/* DESCRIPTION */
/* */
/* This function is target processor specific. It is used to transfer */
/* control from a thread back to the ThreadX system. Only a */
/* minimal context is saved since the compiler assumes temp registers */
/* are going to get slicked by a function call anyway. */
/* */
/* INPUT */
/* */
/* None */
/* */
/* OUTPUT */
/* */
/* None */
/* */
/* CALLS */
/* */
/* _tx_thread_schedule Thread scheduling loop */
/* */
/* CALLED BY */
/* */
/* ThreadX components */
/* */
/* RELEASE HISTORY */
/* */
/* DATE NAME DESCRIPTION */
/* */
/* 09-30-2020 Scott Larson Initial Version 6.1 */
/* */
/**************************************************************************/
// VOID _tx_thread_system_return(VOID)
// {
.section .text
.balign 4
.syntax unified
.eabi_attribute Tag_ABI_align_preserved, 1
.global _tx_thread_system_return
.thumb_func
.type _tx_thread_system_return, function
_tx_thread_system_return:
/* Return to real scheduler via PendSV. Note that this routine is often
replaced with in-line assembly in tx_port.h to improved performance. */
MOV r0, #0x10000000 // Load PENDSVSET bit
MOV r1, #0xE000E000 // Load NVIC base
STR r0, [r1, #0xD04] // Set PENDSVBIT in ICSR
MRS r0, IPSR // Pickup IPSR
CMP r0, #0 // Is it a thread returning?
BNE _isr_context // If ISR, skip interrupt enable
#ifdef TX_PORT_USE_BASEPRI
MRS r1, BASEPRI // Thread context returning, pickup BASEPRI
MOV r0, #0
MSR BASEPRI, r0 // Enable interrupts
MSR BASEPRI, r1 // Restore original interrupt posture
#else
MRS r1, PRIMASK // Thread context returning, pickup PRIMASK
CPSIE i // Enable interrupts
MSR PRIMASK, r1 // Restore original interrupt posture
#endif
_isr_context:
BX lr // Return to caller
// }
.end
File diff suppressed because it is too large Load Diff
@@ -0,0 +1,119 @@
/**************************************************************************/
/* */
/* Copyright (c) Microsoft Corporation. All rights reserved. */
/* */
/* This software is licensed under the Microsoft Software License */
/* Terms for Microsoft Azure RTOS. Full text of the license can be */
/* found in the LICENSE file at https://aka.ms/AzureRTOS_EULA */
/* and in the root directory of this software. */
/* */
/**************************************************************************/
/**************************************************************************/
/**************************************************************************/
/** */
/** ThreadX Component */
/** */
/** Thread */
/** */
/**************************************************************************/
/**************************************************************************/
#define TX_SOURCE_CODE
/* Include necessary system files. */
#include "tx_api.h"
#include "tx_initialize.h"
#include "tx_thread.h"
/**************************************************************************/
/* */
/* FUNCTION RELEASE */
/* */
/* _tx_thread_secure_stack_allocate Cortex-M85 */
/* 6.1 */
/* AUTHOR */
/* */
/* Scott Larson, Microsoft Corporation */
/* */
/* DESCRIPTION */
/* */
/* This function checks for errors in the secure stack allocate */
/* function call. */
/* */
/* INPUT */
/* */
/* thread_ptr Thread control block pointer */
/* stack_size Size of secure stack to */
/* allocate */
/* */
/* OUTPUT */
/* */
/* TX_THREAD_ERROR Invalid thread pointer */
/* TX_CALLER_ERROR Invalid caller of function */
/* status Actual completion status */
/* */
/* CALLS */
/* */
/* _tx_thread_secure_stack_allocate Actual stack alloc function */
/* */
/* CALLED BY */
/* */
/* Application Code */
/* */
/* RELEASE HISTORY */
/* */
/* DATE NAME DESCRIPTION */
/* */
/* 09-30-2020 Scott Larson Initial Version 6.1 */
/* */
/**************************************************************************/
UINT _txe_thread_secure_stack_allocate(TX_THREAD *thread_ptr, ULONG stack_size)
{
#if defined(TX_SINGLE_MODE_SECURE) || defined(TX_SINGLE_MODE_NON_SECURE)
return(TX_FEATURE_NOT_ENABLED);
#else
UINT status;
/* Default status to success. */
status = TX_SUCCESS;
/* Check for an invalid thread pointer. */
if (thread_ptr == TX_NULL)
{
/* Thread pointer is invalid, return appropriate error code. */
status = TX_THREAD_ERROR;
}
/* Now check for invalid thread ID. */
else if (thread_ptr -> tx_thread_id != TX_THREAD_ID)
{
/* Thread pointer is invalid, return appropriate error code. */
status = TX_THREAD_ERROR;
}
/* Check for interrupt call. */
if (TX_THREAD_GET_SYSTEM_STATE() != ((ULONG) 0))
{
/* Is call from an interrupt and not initialization? */
if (TX_THREAD_GET_SYSTEM_STATE() < TX_INITIALIZE_IN_PROGRESS)
{
/* Invalid caller of this function, return appropriate error code. */
status = TX_CALLER_ERROR;
}
}
/* Determine if everything is okay. */
if (status == TX_SUCCESS)
{
/* Call actual secure stack allocate function. */
status = _tx_thread_secure_stack_allocate(thread_ptr, stack_size);
}
/* Return completion status. */
return(status);
#endif
}
@@ -0,0 +1,120 @@
/**************************************************************************/
/* */
/* Copyright (c) Microsoft Corporation. All rights reserved. */
/* */
/* This software is licensed under the Microsoft Software License */
/* Terms for Microsoft Azure RTOS. Full text of the license can be */
/* found in the LICENSE file at https://aka.ms/AzureRTOS_EULA */
/* and in the root directory of this software. */
/* */
/**************************************************************************/
/**************************************************************************/
/**************************************************************************/
/** */
/** ThreadX Component */
/** */
/** Thread */
/** */
/**************************************************************************/
/**************************************************************************/
#define TX_SOURCE_CODE
/* Include necessary system files. */
#include "tx_api.h"
#include "tx_initialize.h"
#include "tx_thread.h"
/**************************************************************************/
/* */
/* FUNCTION RELEASE */
/* */
/* _txe_thread_secure_stack_free Cortex-M85 */
/* 6.1 */
/* AUTHOR */
/* */
/* Scott Larson, Microsoft Corporation */
/* */
/* DESCRIPTION */
/* */
/* This function checks for errors in the secure stack free */
/* function call. */
/* */
/* INPUT */
/* */
/* thread_ptr Thread control block pointer */
/* */
/* OUTPUT */
/* */
/* TX_THREAD_ERROR Invalid thread pointer */
/* TX_CALLER_ERROR Invalid caller of function */
/* status Actual completion status */
/* */
/* CALLS */
/* */
/* _tx_thread_secure_stack_free Actual stack free function */
/* */
/* CALLED BY */
/* */
/* Application Code */
/* */
/* RELEASE HISTORY */
/* */
/* DATE NAME DESCRIPTION */
/* */
/* 09-30-2020 Scott Larson Initial Version 6.1 */
/* */
/**************************************************************************/
UINT _txe_thread_secure_stack_free(TX_THREAD *thread_ptr)
{
#if defined(TX_SINGLE_MODE_SECURE) || defined(TX_SINGLE_MODE_NON_SECURE)
return(TX_FEATURE_NOT_ENABLED);
#else
UINT status;
/* Default status to success. */
status = TX_SUCCESS;
/* Check for an invalid thread pointer. */
if (thread_ptr == TX_NULL)
{
/* Thread pointer is invalid, return appropriate error code. */
status = TX_THREAD_ERROR;
}
/* Now check for invalid thread ID. */
else if (thread_ptr -> tx_thread_id != TX_THREAD_ID)
{
/* Thread pointer is invalid, return appropriate error code. */
status = TX_THREAD_ERROR;
}
/* Check for interrupt call. */
if (TX_THREAD_GET_SYSTEM_STATE() != ((ULONG) 0))
{
/* Is call from an interrupt and not initialization? */
if (TX_THREAD_GET_SYSTEM_STATE() < TX_INITIALIZE_IN_PROGRESS)
{
/* Invalid caller of this function, return appropriate error code. */
status = TX_CALLER_ERROR;
}
}
/* Determine if everything is okay. */
if (status == TX_SUCCESS)
{
/* Call actual secure stack allocate function. */
status = _tx_thread_secure_stack_free(thread_ptr);
}
/* Return completion status. */
return(status);
#endif
}
+21
View File
@@ -0,0 +1,21 @@
target_sources(${PROJECT_NAME} PRIVATE
${CMAKE_CURRENT_LIST_DIR}/src/txe_thread_secure_stack_allocate.c
${CMAKE_CURRENT_LIST_DIR}/src/txe_thread_secure_stack_free.c
${CMAKE_CURRENT_LIST_DIR}/src/tx_initialize_low_level.S
${CMAKE_CURRENT_LIST_DIR}/src/tx_thread_context_restore.S
${CMAKE_CURRENT_LIST_DIR}/src/tx_thread_context_save.S
${CMAKE_CURRENT_LIST_DIR}/src/tx_thread_interrupt_control.S
${CMAKE_CURRENT_LIST_DIR}/src/tx_thread_interrupt_disable.S
${CMAKE_CURRENT_LIST_DIR}/src/tx_thread_interrupt_restore.S
${CMAKE_CURRENT_LIST_DIR}/src/tx_thread_schedule.S
${CMAKE_CURRENT_LIST_DIR}/src/tx_thread_secure_stack.c
${CMAKE_CURRENT_LIST_DIR}/src/tx_thread_secure_stack_allocate.S
${CMAKE_CURRENT_LIST_DIR}/src/tx_thread_secure_stack_free.S
${CMAKE_CURRENT_LIST_DIR}/src/tx_thread_stack_build.S
${CMAKE_CURRENT_LIST_DIR}/src/tx_thread_system_return.S
${CMAKE_CURRENT_LIST_DIR}/src/tx_timer_interrupt.S
)
target_include_directories(${PROJECT_NAME} PUBLIC
inc
)
File diff suppressed because it is too large Load Diff
@@ -0,0 +1,61 @@
/**************************************************************************/
/* */
/* Copyright (c) Microsoft Corporation. All rights reserved. */
/* */
/* This software is licensed under the Microsoft Software License */
/* Terms for Microsoft Azure RTOS. Full text of the license can be */
/* found in the LICENSE file at https://aka.ms/AzureRTOS_EULA */
/* and in the root directory of this software. */
/* */
/**************************************************************************/
/**************************************************************************/
/**************************************************************************/
/** */
/** ThreadX Component */
/** */
/** Thread */
/** */
/**************************************************************************/
/**************************************************************************/
/**************************************************************************/
/* */
/* COMPONENT DEFINITION RELEASE */
/* */
/* tx_secure_interface.h PORTABLE C */
/* 6.1 */
/* AUTHOR */
/* */
/* Scott Larson, Microsoft Corporation */
/* */
/* DESCRIPTION */
/* */
/* This file defines the ThreadX secure thread stack components, */
/* including data types and external references. */
/* It is assumed that tx_api.h and tx_port.h have already been */
/* included. */
/* */
/* RELEASE HISTORY */
/* */
/* DATE NAME DESCRIPTION */
/* */
/* 09-30-2020 Scott Larson Initial Version 6.1 */
/* */
/**************************************************************************/
#ifndef TX_SECURE_INTERFACE_H
#define TX_SECURE_INTERFACE_H
/* Define internal secure thread stack function prototypes. */
extern UINT _tx_thread_secure_mode_stack_initialize(void);
extern UINT _tx_thread_secure_mode_stack_allocate(TX_THREAD *thread_ptr, ULONG stack_size);
extern UINT _tx_thread_secure_mode_stack_free(TX_THREAD *thread_ptr);
extern void _tx_thread_secure_stack_initialize(void);
extern void _tx_thread_secure_stack_context_save(TX_THREAD *thread_ptr);
extern void _tx_thread_secure_stack_context_restore(TX_THREAD *thread_ptr);
#endif
File diff suppressed because it is too large Load Diff
File diff suppressed because it is too large Load Diff
File diff suppressed because it is too large Load Diff
@@ -0,0 +1,83 @@
/**************************************************************************/
/* */
/* Copyright (c) Microsoft Corporation. All rights reserved. */
/* */
/* This software is licensed under the Microsoft Software License */
/* Terms for Microsoft Azure RTOS. Full text of the license can be */
/* found in the LICENSE file at https://aka.ms/AzureRTOS_EULA */
/* and in the root directory of this software. */
/* */
/**************************************************************************/
/**************************************************************************/
/**************************************************************************/
/** */
/** ThreadX Component */
/** */
/** Thread */
/** */
/**************************************************************************/
/**************************************************************************/
#if (defined(TX_ENABLE_EXECUTION_CHANGE_NOTIFY) || defined(TX_EXECUTION_PROFILE_ENABLE))
.global _tx_execution_isr_exit
#endif
/**************************************************************************/
/* */
/* FUNCTION RELEASE */
/* */
/* _tx_thread_context_restore Cortex-M85/GNU */
/* 6.1 */
/* AUTHOR */
/* */
/* Scott Larson, Microsoft Corporation */
/* */
/* DESCRIPTION */
/* */
/* This function is not needed for Cortex-M. */
/* */
/* INPUT */
/* */
/* None */
/* */
/* OUTPUT */
/* */
/* None */
/* */
/* CALLS */
/* */
/* [_tx_execution_isr_exit] Execution profiling ISR exit */
/* */
/* CALLED BY */
/* */
/* ISRs Interrupt Service Routines */
/* */
/* RELEASE HISTORY */
/* */
/* DATE NAME DESCRIPTION */
/* */
/* 09-30-2020 Scott Larson Initial Version 6.1 */
/* */
/**************************************************************************/
// VOID _tx_thread_context_restore(VOID)
// {
.section .text
.balign 4
.syntax unified
.eabi_attribute Tag_ABI_align_preserved, 1
.global _tx_thread_context_restore
.thumb_func
.type _tx_thread_context_restore, function
_tx_thread_context_restore:
#if (defined(TX_ENABLE_EXECUTION_CHANGE_NOTIFY) || defined(TX_EXECUTION_PROFILE_ENABLE))
/* Call the ISR exit function to indicate an ISR is complete. */
PUSH {r0, lr} // Save return address
BL _tx_execution_isr_exit // Call the ISR exit function
POP {r0, lr} // Recover return address
#endif
BX lr
// }
.end
@@ -0,0 +1,83 @@
/**************************************************************************/
/* */
/* Copyright (c) Microsoft Corporation. All rights reserved. */
/* */
/* This software is licensed under the Microsoft Software License */
/* Terms for Microsoft Azure RTOS. Full text of the license can be */
/* found in the LICENSE file at https://aka.ms/AzureRTOS_EULA */
/* and in the root directory of this software. */
/* */
/**************************************************************************/
/**************************************************************************/
/**************************************************************************/
/** */
/** ThreadX Component */
/** */
/** Thread */
/** */
/**************************************************************************/
/**************************************************************************/
#if (defined(TX_ENABLE_EXECUTION_CHANGE_NOTIFY) || defined(TX_EXECUTION_PROFILE_ENABLE))
.global _tx_execution_isr_enter
#endif
/**************************************************************************/
/* */
/* FUNCTION RELEASE */
/* */
/* _tx_thread_context_save Cortex-M85/GNU */
/* 6.1 */
/* AUTHOR */
/* */
/* Scott Larson, Microsoft Corporation */
/* */
/* DESCRIPTION */
/* */
/* This function is not needed for Cortex-M. */
/* */
/* INPUT */
/* */
/* None */
/* */
/* OUTPUT */
/* */
/* None */
/* */
/* CALLS */
/* */
/* [_tx_execution_isr_enter] Execution profiling ISR enter */
/* */
/* CALLED BY */
/* */
/* ISRs */
/* */
/* RELEASE HISTORY */
/* */
/* DATE NAME DESCRIPTION */
/* */
/* 09-30-2020 Scott Larson Initial Version 6.1 */
/* */
/**************************************************************************/
// VOID _tx_thread_context_save(VOID)
// {
.section .text
.balign 4
.syntax unified
.eabi_attribute Tag_ABI_align_preserved, 1
.global _tx_thread_context_save
.thumb_func
.type _tx_thread_context_save, function
_tx_thread_context_save:
#if (defined(TX_ENABLE_EXECUTION_CHANGE_NOTIFY) || defined(TX_EXECUTION_PROFILE_ENABLE))
/* Call the ISR enter function to indicate an ISR is starting. */
PUSH {r0, lr} // Save return address
BL _tx_execution_isr_enter // Call the ISR enter function
POP {r0, lr} // Recover return address
#endif
BX lr
// }
.end
@@ -0,0 +1,82 @@
/**************************************************************************/
/* */
/* Copyright (c) Microsoft Corporation. All rights reserved. */
/* */
/* This software is licensed under the Microsoft Software License */
/* Terms for Microsoft Azure RTOS. Full text of the license can be */
/* found in the LICENSE file at https://aka.ms/AzureRTOS_EULA */
/* and in the root directory of this software. */
/* */
/**************************************************************************/
/**************************************************************************/
/**************************************************************************/
/** */
/** ThreadX Component */
/** */
/** Thread */
/** */
/**************************************************************************/
/**************************************************************************/
/**************************************************************************/
/* */
/* FUNCTION RELEASE */
/* */
/* _tx_thread_interrupt_control Cortex-M85/GNU */
/* 6.1 */
/* AUTHOR */
/* */
/* Scott Larson, Microsoft Corporation */
/* */
/* DESCRIPTION */
/* */
/* This function is responsible for changing the interrupt lockout */
/* posture of the system. */
/* */
/* INPUT */
/* */
/* new_posture New interrupt lockout posture */
/* */
/* OUTPUT */
/* */
/* old_posture Old interrupt lockout posture */
/* */
/* CALLS */
/* */
/* None */
/* */
/* CALLED BY */
/* */
/* Application Code */
/* */
/* RELEASE HISTORY */
/* */
/* DATE NAME DESCRIPTION */
/* */
/* 09-30-2020 Scott Larson Initial Version 6.1 */
/* */
/**************************************************************************/
// UINT _tx_thread_interrupt_control(UINT new_posture)
// {
.section .text
.balign 4
.eabi_attribute Tag_ABI_align_preserved, 1
.global _tx_thread_interrupt_control
.thumb_func
.type _tx_thread_interrupt_control, function
_tx_thread_interrupt_control:
#ifdef TX_PORT_USE_BASEPRI
MRS r1, BASEPRI // Pickup current interrupt posture
MSR BASEPRI, r0 // Apply the new interrupt posture
MOV r0, r1 // Transfer old to return register
#else
MRS r1, PRIMASK // Pickup current interrupt lockout
MSR PRIMASK, r0 // Apply the new interrupt lockout
MOV r0, r1 // Transfer old to return register
#endif
BX lr // Return to caller
// }
.end
@@ -0,0 +1,83 @@
/**************************************************************************/
/* */
/* Copyright (c) Microsoft Corporation. All rights reserved. */
/* */
/* This software is licensed under the Microsoft Software License */
/* Terms for Microsoft Azure RTOS. Full text of the license can be */
/* found in the LICENSE file at https://aka.ms/AzureRTOS_EULA */
/* and in the root directory of this software. */
/* */
/**************************************************************************/
/**************************************************************************/
/**************************************************************************/
/** */
/** ThreadX Component */
/** */
/** Thread */
/** */
/**************************************************************************/
/**************************************************************************/
/**************************************************************************/
/* */
/* FUNCTION RELEASE */
/* */
/* _tx_thread_interrupt_disable Cortex-M85/GNU */
/* 6.1 */
/* AUTHOR */
/* */
/* Scott Larson, Microsoft Corporation */
/* */
/* DESCRIPTION */
/* */
/* This function is responsible for disabling interrupts and returning */
/* the previous interrupt lockout posture. */
/* */
/* INPUT */
/* */
/* None */
/* */
/* OUTPUT */
/* */
/* old_posture Old interrupt lockout posture */
/* */
/* CALLS */
/* */
/* None */
/* */
/* CALLED BY */
/* */
/* Application Code */
/* */
/* RELEASE HISTORY */
/* */
/* DATE NAME DESCRIPTION */
/* */
/* 09-30-2020 Scott Larson Initial Version 6.1 */
/* */
/**************************************************************************/
// UINT _tx_thread_interrupt_disable(VOID)
// {
.section .text
.balign 4
.syntax unified
.eabi_attribute Tag_ABI_align_preserved, 1
.global _tx_thread_interrupt_disable
.thumb_func
.type _tx_thread_interrupt_disable, function
_tx_thread_interrupt_disable:
/* Return current interrupt lockout posture. */
#ifdef TX_PORT_USE_BASEPRI
MRS r0, BASEPRI
LDR r1, =TX_PORT_BASEPRI
MSR BASEPRI, r1
#else
MRS r0, PRIMASK
CPSID i
#endif
BX lr
// }
.end
@@ -0,0 +1,80 @@
/**************************************************************************/
/* */
/* Copyright (c) Microsoft Corporation. All rights reserved. */
/* */
/* This software is licensed under the Microsoft Software License */
/* Terms for Microsoft Azure RTOS. Full text of the license can be */
/* found in the LICENSE file at https://aka.ms/AzureRTOS_EULA */
/* and in the root directory of this software. */
/* */
/**************************************************************************/
/**************************************************************************/
/**************************************************************************/
/** */
/** ThreadX Component */
/** */
/** Thread */
/** */
/**************************************************************************/
/**************************************************************************/
/**************************************************************************/
/* */
/* FUNCTION RELEASE */
/* */
/* _tx_thread_interrupt_restore Cortex-M85/GNU */
/* 6.1 */
/* AUTHOR */
/* */
/* Scott Larson, Microsoft Corporation */
/* */
/* DESCRIPTION */
/* */
/* This function is responsible for restoring the previous */
/* interrupt lockout posture. */
/* */
/* INPUT */
/* */
/* previous_posture Previous interrupt posture */
/* */
/* OUTPUT */
/* */
/* None */
/* */
/* CALLS */
/* */
/* None */
/* */
/* CALLED BY */
/* */
/* Application Code */
/* */
/* RELEASE HISTORY */
/* */
/* DATE NAME DESCRIPTION */
/* */
/* 09-30-2020 Scott Larson Initial Version 6.1 */
/* */
/**************************************************************************/
// VOID _tx_thread_interrupt_restore(UINT previous_posture)
// {
.section .text
.balign 4
.syntax unified
.eabi_attribute Tag_ABI_align_preserved, 1
.global _tx_thread_interrupt_restore
.thumb_func
.type _tx_thread_interrupt_restore, function
_tx_thread_interrupt_restore:
/* Restore previous interrupt lockout posture. */
#ifdef TX_PORT_USE_BASEPRI
MSR BASEPRI, r0
#else
MSR PRIMASK, r0
#endif
BX lr
// }
.end
File diff suppressed because it is too large Load Diff
File diff suppressed because it is too large Load Diff
@@ -0,0 +1,85 @@
/**************************************************************************/
/* */
/* Copyright (c) Microsoft Corporation. All rights reserved. */
/* */
/* This software is licensed under the Microsoft Software License */
/* Terms for Microsoft Azure RTOS. Full text of the license can be */
/* found in the LICENSE file at https://aka.ms/AzureRTOS_EULA */
/* and in the root directory of this software. */
/* */
/**************************************************************************/
/**************************************************************************/
/**************************************************************************/
/** */
/** ThreadX Component */
/** */
/** Thread */
/** */
/**************************************************************************/
/**************************************************************************/
/**************************************************************************/
/* */
/* FUNCTION RELEASE */
/* */
/* _tx_thread_secure_stack_allocate Cortex-M85/GNU */
/* 6.1 */
/* AUTHOR */
/* */
/* Scott Larson, Microsoft Corporation */
/* */
/* DESCRIPTION */
/* */
/* This function enters the SVC handler to allocate a secure stack. */
/* */
/* INPUT */
/* */
/* thread_ptr Thread control block pointer */
/* stack_size Size of secure stack to */
/* allocate */
/* */
/* OUTPUT */
/* */
/* status Actual completion status */
/* */
/* CALLS */
/* */
/* SVC 1 */
/* */
/* CALLED BY */
/* */
/* Application Code */
/* */
/* RELEASE HISTORY */
/* */
/* DATE NAME DESCRIPTION */
/* */
/* 09-30-2020 Scott Larson Initial Version 6.1 */
/* */
/**************************************************************************/
// UINT _tx_thread_secure_stack_allocate(TX_THREAD *thread_ptr, ULONG stack_size)
// {
.section .text
.balign 4
.syntax unified
.eabi_attribute Tag_ABI_align_preserved, 1
.global _tx_thread_secure_stack_allocate
.thumb_func
.type _tx_thread_secure_stack_allocate, function
_tx_thread_secure_stack_allocate:
#if !defined(TX_SINGLE_MODE_SECURE) && !defined(TX_SINGLE_MODE_NON_SECURE)
MRS r3, PRIMASK // Save interrupt mask
CPSIE i // Enable interrupts for SVC call
SVC 1
CMP r3, #0 // If interrupts enabled, just return
BEQ _alloc_return_interrupt_enabled
CPSID i // Otherwise, disable interrupts
#else
MOV r0, #0xFF // Feature not enabled
#endif
_alloc_return_interrupt_enabled:
BX lr
.end
@@ -0,0 +1,83 @@
/**************************************************************************/
/* */
/* Copyright (c) Microsoft Corporation. All rights reserved. */
/* */
/* This software is licensed under the Microsoft Software License */
/* Terms for Microsoft Azure RTOS. Full text of the license can be */
/* found in the LICENSE file at https://aka.ms/AzureRTOS_EULA */
/* and in the root directory of this software. */
/* */
/**************************************************************************/
/**************************************************************************/
/**************************************************************************/
/** */
/** ThreadX Component */
/** */
/** Thread */
/** */
/**************************************************************************/
/**************************************************************************/
/**************************************************************************/
/* */
/* FUNCTION RELEASE */
/* */
/* _tx_thread_secure_stack_free Cortex-M85/GNU */
/* 6.1 */
/* AUTHOR */
/* */
/* Scott Larson, Microsoft Corporation */
/* */
/* DESCRIPTION */
/* */
/* This function enters the SVC handler to free a secure stack. */
/* */
/* INPUT */
/* */
/* thread_ptr Thread control block pointer */
/* */
/* OUTPUT */
/* */
/* status Actual completion status */
/* */
/* CALLS */
/* */
/* SVC 2 */
/* */
/* CALLED BY */
/* */
/* Application Code */
/* */
/* RELEASE HISTORY */
/* */
/* DATE NAME DESCRIPTION */
/* */
/* 09-30-2020 Scott Larson Initial Version 6.1 */
/* */
/**************************************************************************/
// UINT _tx_thread_secure_stack_free(TX_THREAD *thread_ptr)
// {
.section .text
.balign 4
.syntax unified
.eabi_attribute Tag_ABI_align_preserved, 1
.global _tx_thread_secure_stack_free
.thumb_func
.type _tx_thread_secure_stack_free, function
_tx_thread_secure_stack_free:
#if !defined(TX_SINGLE_MODE_SECURE) && !defined(TX_SINGLE_MODE_NON_SECURE)
MRS r3, PRIMASK // Save interrupt mask
CPSIE i // Enable interrupts for SVC call
SVC 2
CMP r3, #0 // If interrupts enabled, just return
BEQ _free_return_interrupt_enabled
CPSID i // Otherwise, disable interrupts
#else
MOV r0, #0xFF // Feature not enabled
#endif
_free_return_interrupt_enabled:
BX lr
.end
@@ -0,0 +1,79 @@
/**************************************************************************/
/* */
/* Copyright (c) Microsoft Corporation. All rights reserved. */
/* */
/* This software is licensed under the Microsoft Software License */
/* Terms for Microsoft Azure RTOS. Full text of the license can be */
/* found in the LICENSE file at https://aka.ms/AzureRTOS_EULA */
/* and in the root directory of this software. */
/* */
/**************************************************************************/
/**************************************************************************/
/**************************************************************************/
/** */
/** ThreadX Component */
/** */
/** Thread */
/** */
/**************************************************************************/
/**************************************************************************/
/**************************************************************************/
/* */
/* FUNCTION RELEASE */
/* */
/* _tx_thread_secure_stack_initialize Cortex-M85/GNU */
/* 6.1.7 */
/* AUTHOR */
/* */
/* Scott Larson, Microsoft Corporation */
/* */
/* DESCRIPTION */
/* */
/* This function enters the SVC handler to initialize a secure stack. */
/* */
/* INPUT */
/* */
/* none */
/* */
/* OUTPUT */
/* */
/* none */
/* */
/* CALLS */
/* */
/* SVC 3 */
/* */
/* CALLED BY */
/* */
/* TX_INITIALIZE_KERNEL_ENTER_EXTENSION */
/* */
/* RELEASE HISTORY */
/* */
/* DATE NAME DESCRIPTION */
/* */
/* 06-02-2021 Scott Larson Initial Version 6.1.7 */
/* */
/**************************************************************************/
// VOID _tx_thread_secure_stack_initialize(VOID)
// {
.section .text
.balign 4
.syntax unified
.eabi_attribute Tag_ABI_align_preserved, 1
.global _tx_thread_secure_stack_initialize
.thumb_func
.type _tx_thread_secure_stack_initialize, function
_tx_thread_secure_stack_initialize:
#if !defined(TX_SINGLE_MODE_SECURE) && !defined(TX_SINGLE_MODE_NON_SECURE)
CPSIE i // Enable interrupts for SVC call
SVC 3
CPSID i // Disable interrupts
#else
MOV r0, #0xFF // Feature not enabled
#endif
BX lr
.end

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