mirror of
https://github.com/apache/nuttx.git
synced 2026-05-18 00:34:10 +08:00
arch/tricore: add tricore mpu driver
tricore mpu driver code Signed-off-by: pangzhen1 <pangzhen1@xiaomi.com>
This commit is contained in:
pangzhen1
Donny(董九柱)
@@ -54,6 +54,25 @@ config ARCH_DCACHE_ADDR
|
||||
AURIX Dcache base address, dcache line clear and invalidate need
|
||||
use the address.
|
||||
|
||||
config ARCH_MPU_NSETS
|
||||
int "Protection sets number"
|
||||
default 7
|
||||
---help---
|
||||
The protection sets count
|
||||
|
||||
config ARCH_MPU_DATA_NREGIONS
|
||||
int "Data regions number"
|
||||
default 23
|
||||
---help---
|
||||
The data regions count
|
||||
|
||||
config ARCH_MPU_CODE_NREGIONS
|
||||
int "Code regions variables"
|
||||
default 15
|
||||
---help---
|
||||
The code regions count
|
||||
|
||||
|
||||
if ARCH_TC3XX
|
||||
source "arch/tricore/src/tc3xx/Kconfig"
|
||||
endif
|
||||
|
||||
@@ -52,6 +52,10 @@ if(CONFIG_SPINLOCK)
|
||||
list(APPEND SRCS tricore_testset.c)
|
||||
endif()
|
||||
|
||||
if(CONFIG_ARCH_USE_MPU)
|
||||
list(APPEND SRCS tricore_mpu.c)
|
||||
endif()
|
||||
|
||||
set(IFXFLAGS -DIFX_CFG_EXTEND_TRAP_HOOKS -DIFX_USE_SW_MANAGED_INT)
|
||||
|
||||
target_sources(arch PRIVATE ${SRCS})
|
||||
|
||||
@@ -53,5 +53,9 @@ ifeq ($(CONFIG_SPINLOCK),y)
|
||||
CMN_CSRCS += tricore_testset.c
|
||||
endif
|
||||
|
||||
ifeq ($(CONFIG_ARCH_USE_MPU),y)
|
||||
CMN_CSRCS += tricore_mpu.c
|
||||
endif
|
||||
|
||||
CFLAGS += -DIFX_CFG_EXTEND_TRAP_HOOKS
|
||||
CFLAGS += -DIFX_USE_SW_MANAGED_INT
|
||||
|
||||
File diff suppressed because it is too large
Load Diff
@@ -0,0 +1,382 @@
|
||||
/****************************************************************************
|
||||
* arch/tricore/src/common/tricore_mpu.h
|
||||
*
|
||||
* Licensed to the Apache Software Foundation (ASF) under one or more
|
||||
* contributor license agreements. See the NOTICE file distributed with
|
||||
* this work for additional information regarding copyright ownership. The
|
||||
* ASF licenses this file to you under the Apache License, Version 2.0 (the
|
||||
* "License"); you may not use this file except in compliance with the
|
||||
* License. You may obtain a copy of the License at
|
||||
*
|
||||
* http://www.apache.org/licenses/LICENSE-2.0
|
||||
*
|
||||
* Unless required by applicable law or agreed to in writing, software
|
||||
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
|
||||
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
|
||||
* License for the specific language governing permissions and limitations
|
||||
* under the License.
|
||||
*
|
||||
****************************************************************************/
|
||||
|
||||
#ifndef __ARCH_TRICORE_SRC_COMMON_TRICORE_MPU_H
|
||||
#define __ARCH_TRICORE_SRC_COMMON_TRICORE_MPU_H
|
||||
|
||||
/****************************************************************************
|
||||
* Included Files
|
||||
****************************************************************************/
|
||||
|
||||
#include <nuttx/config.h>
|
||||
#include <sys/types.h>
|
||||
|
||||
/****************************************************************************
|
||||
* Pre-processor Definitions
|
||||
****************************************************************************/
|
||||
|
||||
/* MPU Region Attributes Bit Definitions */
|
||||
|
||||
#define REGION_TYPE_SHIFT 0
|
||||
#define REGION_TYPE_MASK (0x03 << REGION_TYPE_SHIFT)
|
||||
#define REGION_TYPE_CODE (0x01 << REGION_TYPE_SHIFT)
|
||||
#define REGION_TYPE_DATA (0x02 << REGION_TYPE_SHIFT)
|
||||
|
||||
#define REGION_ATTR_SHIFT 2
|
||||
#define REGION_ATTR_MASK (0x07 << REGION_ATTR_SHIFT)
|
||||
#define REGION_ATTR_RE (0x01 << REGION_ATTR_SHIFT)
|
||||
#define REGION_ATTR_WE (0x02 << REGION_ATTR_SHIFT)
|
||||
#define REGION_ATTR_XE (0x04 << REGION_ATTR_SHIFT)
|
||||
#define REGION_ATTR_RO REGION_ATTR_RE
|
||||
#define REGION_ATTR_WO REGION_ATTR_WE
|
||||
#define REGION_ATTR_RW (REGION_ATTR_RE | REGION_ATTR_WE)
|
||||
|
||||
/****************************************************************************
|
||||
* Public Types
|
||||
****************************************************************************/
|
||||
|
||||
struct mpu_region_s
|
||||
{
|
||||
uintptr_t base;
|
||||
size_t size;
|
||||
int kflags;
|
||||
int uflags;
|
||||
};
|
||||
|
||||
/****************************************************************************
|
||||
* Public Function Prototypes
|
||||
****************************************************************************/
|
||||
|
||||
/****************************************************************************
|
||||
* Name: mpu_allocdataregions
|
||||
*
|
||||
* Description:
|
||||
* Allocate data regions
|
||||
*
|
||||
* Input Parameters:
|
||||
* nregions - Number of regions to allocate.
|
||||
*
|
||||
* Returned Value:
|
||||
* The index of the allocated region.
|
||||
*
|
||||
****************************************************************************/
|
||||
|
||||
unsigned int mpu_allocdataregions(unsigned int nregions);
|
||||
|
||||
/****************************************************************************
|
||||
* Name: mpu_alloccoderegions
|
||||
*
|
||||
* Description:
|
||||
* Allocate code regions
|
||||
*
|
||||
* Input Parameters:
|
||||
* nregions - Number of regions to allocate.
|
||||
*
|
||||
* Returned Value:
|
||||
* The index of the allocated region.
|
||||
*
|
||||
****************************************************************************/
|
||||
|
||||
unsigned int mpu_alloccoderegions(unsigned int nregions);
|
||||
|
||||
/****************************************************************************
|
||||
* Name: mpu_allocdataregion
|
||||
*
|
||||
* Description:
|
||||
* Allocate data region
|
||||
*
|
||||
* Input Parameters:
|
||||
* nregions - Number of regions to allocate.
|
||||
*
|
||||
* Returned Value:
|
||||
* The index of the allocated region.
|
||||
*
|
||||
****************************************************************************/
|
||||
|
||||
#define mpu_allocdataregion() mpu_allocdataregions(1)
|
||||
|
||||
/****************************************************************************
|
||||
* Name: mpu_alloccoderegion
|
||||
*
|
||||
* Description:
|
||||
* Allocate code region
|
||||
*
|
||||
* Input Parameters:
|
||||
* nregions - Number of regions to allocate.
|
||||
*
|
||||
* Returned Value:
|
||||
* The index of the allocated region.
|
||||
*
|
||||
****************************************************************************/
|
||||
|
||||
#define mpu_alloccoderegion() mpu_alloccoderegions(1)
|
||||
|
||||
/****************************************************************************
|
||||
* Name: mpu_freedataregion
|
||||
*
|
||||
* Description:
|
||||
* Free data region
|
||||
*
|
||||
* Input Parameters:
|
||||
* region - Region to free.
|
||||
*
|
||||
* Returned Value:
|
||||
* None
|
||||
*
|
||||
****************************************************************************/
|
||||
|
||||
void mpu_freedataregion(unsigned int region);
|
||||
|
||||
/****************************************************************************
|
||||
* Name: mpu_freecoderegion
|
||||
*
|
||||
* Description:
|
||||
* Free code region
|
||||
*
|
||||
* Input Parameters:
|
||||
* region - Region to free.
|
||||
*
|
||||
* Returned Value:
|
||||
* None
|
||||
*
|
||||
****************************************************************************/
|
||||
|
||||
void mpu_freecoderegion(unsigned int region);
|
||||
|
||||
/****************************************************************************
|
||||
* Name: mpu_allocregions
|
||||
*
|
||||
* Description:
|
||||
* Allocate data or code regions
|
||||
*
|
||||
* Input Parameters:
|
||||
* nregions - Number of regions to allocate.
|
||||
* flags - Region flags.
|
||||
*
|
||||
* Returned Value:
|
||||
* The index of the allocated region.
|
||||
*
|
||||
****************************************************************************/
|
||||
|
||||
unsigned int mpu_allocregions(unsigned int nregions, int flags);
|
||||
|
||||
/****************************************************************************
|
||||
* Name: mpu_allocregion
|
||||
*
|
||||
* Description:
|
||||
* Allocate the next region
|
||||
*
|
||||
* Input Parameters:
|
||||
* flags - Region flags.
|
||||
*
|
||||
* Returned Value:
|
||||
* The index of the allocated region.
|
||||
*
|
||||
****************************************************************************/
|
||||
|
||||
#define mpu_allocregion(flags) mpu_allocregions(1, flags)
|
||||
|
||||
/****************************************************************************
|
||||
* Name: mpu_freeregion
|
||||
*
|
||||
* Description:
|
||||
* Free data region
|
||||
*
|
||||
* Input Parameters:
|
||||
* region - Region to free.
|
||||
* flags - Region flags.
|
||||
* Returned Value:
|
||||
* None
|
||||
*
|
||||
****************************************************************************/
|
||||
|
||||
void mpu_freeregion(unsigned int region, int flags);
|
||||
|
||||
/****************************************************************************
|
||||
* Name: mpu_alloc_set
|
||||
*
|
||||
* Description:
|
||||
* Allocate a protection set
|
||||
*
|
||||
* Input Parameters:
|
||||
* None
|
||||
*
|
||||
* Returned Value:
|
||||
* The index of the allocated set.
|
||||
*
|
||||
****************************************************************************/
|
||||
|
||||
unsigned int mpu_alloc_set(void);
|
||||
|
||||
/****************************************************************************
|
||||
* Name: mpu_free_set
|
||||
*
|
||||
* Description:
|
||||
* Free a protection set
|
||||
*
|
||||
* Input Parameters:
|
||||
* set - Set to free.
|
||||
*
|
||||
* Returned Value:
|
||||
* None
|
||||
*
|
||||
****************************************************************************/
|
||||
|
||||
void mpu_free_set(unsigned int set);
|
||||
|
||||
/****************************************************************************
|
||||
* Name: mpu_control
|
||||
*
|
||||
* Description:
|
||||
* Configure and enable (or disable) the MPU
|
||||
*
|
||||
* Input Parameters:
|
||||
* enable - Flag indicating whether to enable the MPU.
|
||||
*
|
||||
* Returned Value:
|
||||
* None.
|
||||
*
|
||||
****************************************************************************/
|
||||
|
||||
void mpu_control(bool enable);
|
||||
|
||||
/****************************************************************************
|
||||
* Name: mpu_dump_set
|
||||
*
|
||||
* Description:
|
||||
* Dump the regions of a protection set.
|
||||
*
|
||||
* Input Parameters:
|
||||
* set - protection set.
|
||||
*
|
||||
* Returned Value:
|
||||
* None.
|
||||
*
|
||||
****************************************************************************/
|
||||
|
||||
void mpu_dump_set(unsigned int set);
|
||||
|
||||
/****************************************************************************
|
||||
* Name: mpu_dump_regions
|
||||
*
|
||||
* Description:
|
||||
* Dump the regions of all sets.
|
||||
*
|
||||
* Input Parameters:
|
||||
* set - protection set.
|
||||
*
|
||||
* Returned Value:
|
||||
* None.
|
||||
*
|
||||
****************************************************************************/
|
||||
|
||||
void mpu_dump_regions(void);
|
||||
|
||||
/****************************************************************************
|
||||
* Name: mpu_modify_region
|
||||
*
|
||||
* Description:
|
||||
* Modify a region's attributes in the special protection set.
|
||||
*
|
||||
* Input Parameters:
|
||||
* set - Set number to modify.
|
||||
* region - Region number to modify.
|
||||
* base - Base address of the region.
|
||||
* size - Size of the region.
|
||||
* flags - Flags to configure the region.
|
||||
*
|
||||
* Returned Value:
|
||||
* None.
|
||||
*
|
||||
****************************************************************************/
|
||||
|
||||
void mpu_modify_region(unsigned int set, unsigned int region,
|
||||
uintptr_t base, size_t size, int flags);
|
||||
|
||||
/****************************************************************************
|
||||
* Name: mpu_configure_region
|
||||
*
|
||||
* Description:
|
||||
* Configure a region's attributes in the special protection set.
|
||||
*
|
||||
* Input Parameters:
|
||||
* set - Set number to modify.
|
||||
* base - Base address of the region.
|
||||
* size - Size of the region.
|
||||
* flags - Flags to configure the region.
|
||||
*
|
||||
* Returned Value:
|
||||
* The index of the allocated region.
|
||||
*
|
||||
****************************************************************************/
|
||||
|
||||
unsigned int mpu_configure_region(unsigned int set, uintptr_t base,
|
||||
size_t size, int flags);
|
||||
|
||||
/****************************************************************************
|
||||
* Name: mpu_get_active_set
|
||||
*
|
||||
* Description:
|
||||
* Get the active protection set.
|
||||
*
|
||||
* Input Parameters:
|
||||
* None.
|
||||
*
|
||||
* Returned Value:
|
||||
* The active protection set.
|
||||
*
|
||||
****************************************************************************/
|
||||
|
||||
unsigned int mpu_get_active_set(void);
|
||||
|
||||
/****************************************************************************
|
||||
* Name: mpu_set_active_set
|
||||
*
|
||||
* Description:
|
||||
* Set the active protection set.
|
||||
*
|
||||
* Input Parameters:
|
||||
* set - The protection set to activate.
|
||||
*
|
||||
* Returned Value:
|
||||
* None.
|
||||
*
|
||||
****************************************************************************/
|
||||
|
||||
void mpu_set_active_set(unsigned int set);
|
||||
|
||||
/****************************************************************************
|
||||
* Name: mpu_initialize
|
||||
*
|
||||
* Description:
|
||||
* Initialize the MPU regions.
|
||||
*
|
||||
* Input Parameters:
|
||||
* table - MPU initialization table.
|
||||
* count - Initialize the number of entries in the region table.
|
||||
*
|
||||
* Returned Value:
|
||||
* NULL.
|
||||
*
|
||||
****************************************************************************/
|
||||
|
||||
void mpu_initialize(const struct mpu_region_s *table, size_t count);
|
||||
|
||||
#endif /* __ARCH_TRICORE_SRC_COMMON_TRICORE_MPU_H */
|
||||
Reference in New Issue
Block a user