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arch: arc: fix the overkilled codes caused by removing APP_MEM

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these codes are overkilled by commit 41f6011c

Signed-off-by: Wayne Ren <wei.ren@synopsys.com>
This commit is contained in:
Wayne Ren 2019-02-19 11:09:50 +08:00 • committed by Andrew Boie
commit 951d96a3c3
2 changed files with 24 additions and 0 deletions
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11
arch/arc/core/mpu/arc_mpu.c
View file

@ -460,6 +460,17 @@ void arc_core_mpu_configure_user_context(struct k_thread *thread)
} }
arc_core_mpu_configure(THREAD_STACK_USER_REGION, base, size); arc_core_mpu_configure(THREAD_STACK_USER_REGION, base, size);
#if defined(CONFIG_APP_SHARED_MEM) && CONFIG_ARC_MPU_VER == 3
/*
* here, need to clear THREAD_APP_DATA_REGION for user thread as it will
* be set by kernel thread to to access app_shared mem. For user thread
* the handling of app_shared mem is done by
* THREAD_DOMAIN_PARTITION_REGION
*/
_region_init(_get_region_index_by_type(THREAD_APP_DATA_REGION)
, 0, 0, 0);
#endif
} }
/** /**

13
boards/arc/em_starterkit/arc_mpu_regions.c
View file

@ -11,6 +11,18 @@
#ifdef CONFIG_USERSPACE #ifdef CONFIG_USERSPACE
static struct arc_mpu_region mpu_regions[] = { static struct arc_mpu_region mpu_regions[] = {
#if CONFIG_ARC_MPU_VER == 3
/* Region ICCM */
MPU_REGION_ENTRY("IMAGE ROM",
(u32_t) _image_rom_start,
(u32_t) _image_rom_size,
REGION_FLASH_ATTR),
MPU_REGION_ENTRY("KERNEL MEMORY",
(u32_t) __kernel_ram_start,
(u32_t) __kernel_ram_size,
AUX_MPU_RDP_KW | AUX_MPU_RDP_KR),
#else
#if DT_ICCM_SIZE > 0 #if DT_ICCM_SIZE > 0
/* Region ICCM */ /* Region ICCM */
MPU_REGION_ENTRY("ICCM", MPU_REGION_ENTRY("ICCM",
@ -33,6 +45,7 @@ static struct arc_mpu_region mpu_regions[] = {
AUX_MPU_RDP_KW | AUX_MPU_RDP_KR | AUX_MPU_RDP_KW | AUX_MPU_RDP_KR |
AUX_MPU_RDP_KE | AUX_MPU_RDP_UE), AUX_MPU_RDP_KE | AUX_MPU_RDP_UE),
#endif #endif
#endif /* ARC_MPU_VER == 3 */
/* Region Peripheral */ /* Region Peripheral */
MPU_REGION_ENTRY("PERIPHERAL", MPU_REGION_ENTRY("PERIPHERAL",
0xF0000000, 0xF0000000,