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remove lpc1100 because there is a cortex-m0 branch.
git-svn-id: https://rt-thread.googlecode.com/svn/trunk@2406 bbd45198-f89e-11dd-88c7-29a3b14d5316
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bernard.xiong committed
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@@ -1,64 +0,0 @@
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/**************************************************************************//**
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* @file system_LPC11xx.h
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* @brief CMSIS Cortex-M0 Device Peripheral Access Layer Header File
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* for the NXP LPC11xx Device Series
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* @version V1.00
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* @date 17. November 2009
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*
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* @note
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* Copyright (C) 2009 ARM Limited. All rights reserved.
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*
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* @par
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* ARM Limited (ARM) is supplying this software for use with Cortex-M
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* processor based microcontrollers. This file can be freely distributed
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* within development tools that are supporting such ARM based processors.
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*
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* @par
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* THIS SOFTWARE IS PROVIDED "AS IS". NO WARRANTIES, WHETHER EXPRESS, IMPLIED
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* OR STATUTORY, INCLUDING, BUT NOT LIMITED TO, IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE APPLY TO THIS SOFTWARE.
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* ARM SHALL NOT, IN ANY CIRCUMSTANCES, BE LIABLE FOR SPECIAL, INCIDENTAL, OR
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* CONSEQUENTIAL DAMAGES, FOR ANY REASON WHATSOEVER.
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*
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******************************************************************************/
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#ifndef __SYSTEM_LPC11xx_H
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#define __SYSTEM_LPC11xx_H
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#ifdef __cplusplus
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extern "C" {
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#endif
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#include <stdint.h>
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extern uint32_t SystemCoreClock; /*!< System Clock Frequency (Core Clock) */
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/**
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* Initialize the system
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*
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* @param none
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* @return none
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*
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* @brief Setup the microcontroller system.
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* Initialize the System and update the SystemCoreClock variable.
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*/
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extern void SystemInit (void);
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/**
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* Update SystemCoreClock variable
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*
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* @param none
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* @return none
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*
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* @brief Updates the SystemCoreClock with current core Clock
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* retrieved from cpu registers.
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*/
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extern void SystemCoreClockUpdate (void);
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#ifdef __cplusplus
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}
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#endif
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#endif /* __SYSTEM_LPC11x_H */
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@@ -1,175 +0,0 @@
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;/*
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; * File : context_rvds.S
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; * This file is part of RT-Thread RTOS
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; * COPYRIGHT (C) 2009, RT-Thread Development Team
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; *
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; * The license and distribution terms for this file may be
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; * found in the file LICENSE in this distribution or at
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; * http://www.rt-thread.org/license/LICENSE
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; *
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; * Change Logs:
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; * Date Author Notes
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; * 2010-01-25 Bernard first version
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; */
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;/**
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; * @addtogroup LPC1100
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; */
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;/*@{*/
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NVIC_INT_CTRL EQU 0xE000ED04 ; interrupt control state register
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NVIC_SYSPRI2 EQU 0xE000ED20 ; system priority register (2)
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NVIC_PENDSV_PRI EQU 0x00FF0000 ; PendSV priority value (lowest)
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NVIC_PENDSVSET EQU 0x10000000 ; value to trigger PendSV exception
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AREA |.text|, CODE, READONLY, ALIGN=2
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THUMB
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REQUIRE8
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PRESERVE8
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IMPORT rt_thread_switch_interrupt_flag
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IMPORT rt_interrupt_from_thread
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IMPORT rt_interrupt_to_thread
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;/*
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; * rt_base_t rt_hw_interrupt_disable();
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; */
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rt_hw_interrupt_disable PROC
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EXPORT rt_hw_interrupt_disable
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MRS r0, PRIMASK
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CPSID I
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BX LR
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ENDP
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;/*
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; * void rt_hw_interrupt_enable(rt_base_t level);
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; */
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rt_hw_interrupt_enable PROC
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EXPORT rt_hw_interrupt_enable
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MSR PRIMASK, r0
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BX LR
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ENDP
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;/*
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; * void rt_hw_context_switch(rt_uint32 from, rt_uint32 to);
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; * r0 --> from
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; * r1 --> to
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; */
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rt_hw_context_switch_interrupt
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EXPORT rt_hw_context_switch_interrupt
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rt_hw_context_switch PROC
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EXPORT rt_hw_context_switch
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; set rt_thread_switch_interrupt_flag to 1
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LDR r2, =rt_thread_switch_interrupt_flag
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LDR r3, [r2]
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CMP r3, #1
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BEQ _reswitch
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MOVS r3, #0x1
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STR r3, [r2]
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LDR r2, =rt_interrupt_from_thread ; set rt_interrupt_from_thread
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STR r0, [r2]
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_reswitch
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LDR r2, =rt_interrupt_to_thread ; set rt_interrupt_to_thread
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STR r1, [r2]
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LDR r0, =NVIC_INT_CTRL ; trigger the PendSV exception (causes context switch)
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LDR r1, =NVIC_PENDSVSET
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STR r1, [r0]
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BX LR
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ENDP
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; r0 --> swith from thread stack
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; r1 --> swith to thread stack
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; psr, pc, lr, r12, r3, r2, r1, r0 are pushed into [from] stack
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rt_hw_pend_sv PROC
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EXPORT rt_hw_pend_sv
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; disable interrupt to protect context switch
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MRS r2, PRIMASK
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CPSID I
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; get rt_thread_switch_interrupt_flag
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LDR r0, =rt_thread_switch_interrupt_flag
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LDR r1, [r0]
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CMP r1, #0x00
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BEQ pendsv_exit ; pendsv already handled
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; clear rt_thread_switch_interrupt_flag to 0
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MOVS r1, #0x00
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STR r1, [r0]
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LDR r0, =rt_interrupt_from_thread
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LDR r1, [r0]
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CMP r1, #0x00
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BEQ swtich_to_thread ; skip register save at the first time
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MRS r1, psp ; get from thread stack pointer
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SUBS r1, r1, #0x10
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LDR r0, [r0]
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STR r1, [r0] ; update from thread stack pointer
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STMIA r1!, {r4 - r7} ; push r4 - r7 register
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swtich_to_thread
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LDR r1, =rt_interrupt_to_thread
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LDR r1, [r1]
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LDR r1, [r1] ; load thread stack pointer
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LDMIA r1!, {r4 - r7} ; pop r4 - r7 register
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MSR psp, r1 ; update stack pointer
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pendsv_exit
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; restore interrupt
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MSR PRIMASK, r2
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MOVS r0, #0x04
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RSBS r0, #0
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BX r0
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ENDP
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;/*
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; * void rt_hw_context_switch_to(rt_uint32 to);
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; * r0 --> to
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; * this fucntion is used to perform the first thread switch
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; */
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rt_hw_context_switch_to PROC
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EXPORT rt_hw_context_switch_to
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; set to thread
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LDR r1, =rt_interrupt_to_thread
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STR r0, [r1]
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; set from thread to 0
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LDR r1, =rt_interrupt_from_thread
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MOVS r0, #0x0
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STR r0, [r1]
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; set interrupt flag to 1
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LDR r1, =rt_thread_switch_interrupt_flag
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MOVS r0, #1
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STR r0, [r1]
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; set the PendSV exception priority
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; LDR r0, =NVIC_SYSPRI2
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; LDR r1, =NVIC_PENDSV_PRI
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; STR r1, [r0]
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; trigger the PendSV exception (causes context switch)
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LDR r0, =NVIC_INT_CTRL
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LDR r1, =NVIC_PENDSVSET
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STR r1, [r0]
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; enable interrupts at processor level
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CPSIE I
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; never reach here!
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ENDP
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; compatible with old version
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rt_hw_interrupt_thread_switch PROC
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EXPORT rt_hw_interrupt_thread_switch
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BX lr
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ENDP
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END
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@@ -1,42 +0,0 @@
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/*
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* File : cpu.c
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* This file is part of RT-Thread RTOS
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* COPYRIGHT (C) 2009, RT-Thread Development Team
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*
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* The license and distribution terms for this file may be
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* found in the file LICENSE in this distribution or at
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* http://www.rt-thread.org/license/LICENSE
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*
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* Change Logs:
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* Date Author Notes
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* 2010-01-25 Bernard first version
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*/
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#include <rtthread.h>
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/**
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* @addtogroup LPC1100
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*/
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/*@{*/
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/**
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* reset cpu by dog's time-out
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*
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*/
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void rt_hw_cpu_reset()
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{
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/*NOTREACHED*/
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}
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/**
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* shutdown CPU
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*
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*/
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void rt_hw_cpu_shutdown()
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{
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rt_kprintf("shutdown...\n");
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RT_ASSERT(0);
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}
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/*@}*/
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@@ -1,47 +0,0 @@
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/*
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* File : fault.c
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* This file is part of RT-Thread RTOS
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* COPYRIGHT (C) 2009, RT-Thread Development Team
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*
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* The license and distribution terms for this file may be
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* found in the file LICENSE in this distribution or at
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* http://www.rt-thread.org/license/LICENSE
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*
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* Change Logs:
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* Date Author Notes
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* 2010-01-25 Bernard first version
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*/
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#include <rtthread.h>
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struct stack_contex
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{
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rt_uint32_t r0;
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rt_uint32_t r1;
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rt_uint32_t r2;
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rt_uint32_t r3;
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rt_uint32_t r12;
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rt_uint32_t lr;
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rt_uint32_t pc;
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rt_uint32_t psr;
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};
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extern void rt_hw_interrupt_thread_switch(void);
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extern long list_thread(void);
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extern rt_thread_t rt_current_thread;
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void rt_hw_hard_fault_exception(struct stack_contex* contex)
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{
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rt_kprintf("psr: 0x%08x\n", contex->psr);
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rt_kprintf(" pc: 0x%08x\n", contex->pc);
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rt_kprintf(" lr: 0x%08x\n", contex->lr);
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rt_kprintf("r12: 0x%08x\n", contex->r12);
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rt_kprintf("r03: 0x%08x\n", contex->r3);
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rt_kprintf("r02: 0x%08x\n", contex->r2);
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rt_kprintf("r01: 0x%08x\n", contex->r1);
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rt_kprintf("r00: 0x%08x\n", contex->r0);
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rt_kprintf("hard fault on thread: %s\n", rt_current_thread->name);
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#ifdef RT_USING_FINSH
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list_thread();
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#endif
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while (1);
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}
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@@ -1,32 +0,0 @@
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;/*
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; * File : fault_rvds.S
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; * This file is part of RT-Thread RTOS
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; * COPYRIGHT (C) 2006, RT-Thread Development Team
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; *
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; * The license and distribution terms for this file may be
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; * found in the file LICENSE in this distribution or at
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; * http://www.rt-thread.org/license/LICENSE
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; *
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; * Change Logs:
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; * Date Author Notes
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; * 2010-01-25 Bernard first version
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; */
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AREA |.text|, CODE, READONLY, ALIGN=2
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THUMB
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REQUIRE8
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PRESERVE8
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IMPORT rt_hw_hard_fault_exception
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rt_hw_hard_fault PROC
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EXPORT rt_hw_hard_fault
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; get current context
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MRS r0, psp ; get fault thread stack pointer
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PUSH {lr}
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BL rt_hw_hard_fault_exception
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POP {pc}
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ENDP
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END
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@@ -1,21 +0,0 @@
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/*
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* File : interrupt.c
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* This file is part of RT-Thread RTOS
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* COPYRIGHT (C) 2009, RT-Thread Development Team
|
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*
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* The license and distribution terms for this file may be
|
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* found in the file LICENSE in this distribution or at
|
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* http://www.rt-thread.org/license/LICENSE
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*
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||||
* Change Logs:
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* Date Author Notes
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* 2010-01-25 Bernard first version
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*/
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#include <rtthread.h>
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/* exception and interrupt handler table */
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rt_uint32_t rt_interrupt_from_thread, rt_interrupt_to_thread;
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rt_uint8_t rt_thread_switch_interrupt_flag;
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/*@}*/
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@@ -1,54 +0,0 @@
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/*
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* File : stack.c
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* This file is part of RT-Thread RTOS
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* COPYRIGHT (C) 2009, RT-Thread Development Team
|
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*
|
||||
* The license and distribution terms for this file may be
|
||||
* found in the file LICENSE in this distribution or at
|
||||
* http://www.rt-thread.org/license/LICENSE
|
||||
*
|
||||
* Change Logs:
|
||||
* Date Author Notes
|
||||
* 2010-01-25 Bernard first version
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*/
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#include <rtthread.h>
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/**
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* @addtogroup LPC1100
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*/
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/*@{*/
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|
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/**
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* This function will initialize thread stack
|
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*
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* @param tentry the entry of thread
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* @param parameter the parameter of entry
|
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* @param stack_addr the beginning stack address
|
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* @param texit the function will be called when thread exit
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*
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* @return stack address
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*/
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rt_uint8_t *rt_hw_stack_init(void *tentry, void *parameter,
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rt_uint8_t *stack_addr, void *texit)
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{
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unsigned long *stk;
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stk = (unsigned long *)stack_addr;
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*(stk) = 0x01000000L; /* PSR */
|
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*(--stk) = (unsigned long)tentry; /* entry point, pc */
|
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*(--stk) = (unsigned long)texit; /* lr */
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*(--stk) = 0; /* r12 */
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*(--stk) = 0; /* r3 */
|
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*(--stk) = 0; /* r2 */
|
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*(--stk) = 0; /* r1 */
|
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*(--stk) = (unsigned long)parameter; /* r0 : argument */
|
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*(--stk) = 0; /* r7 */
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*(--stk) = 0; /* r6 */
|
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*(--stk) = 0; /* r5 */
|
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*(--stk) = 0; /* r4 */
|
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/* return task's current stack address */
|
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return (rt_uint8_t *)stk;
|
||||
}
|
||||
|
||||
/*@}*/
|
||||
File diff suppressed because it is too large.
Load diff
Reference in new issue
Block a user