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arch: arm: add new memory partition attributes

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Add execution-allowed memory partition attributes for arch arm.

Signed-off-by: Chunlin Han <chunlin.han@linaro.org>
This commit is contained in:
Chunlin Han 2017-10-02 17:14:03 +08:00 committed by Anas Nashif
parent 82a03936a4
commit 607c9aa3cd
2 changed files with 18 additions and 0 deletions
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13
include/arch/arm/arch.h
View file

@ -211,6 +211,11 @@ extern "C" {
#define K_MEM_PARTITION_P_RW_U_NA (P_RW_U_NA | NOT_EXEC)
#define K_MEM_PARTITION_P_RO_U_RO (P_RO_U_RO | NOT_EXEC)
#define K_MEM_PARTITION_P_RO_U_NA (P_RO_U_NA | NOT_EXEC)
/* Execution-allowed attributes */
#define K_MEM_PARTITION_P_RWX_U_RWX (P_RW_U_RW)
#define K_MEM_PARTITION_P_RWX_U_RX (P_RW_U_RO)
#define K_MEM_PARTITION_P_RX_U_RX (P_RO_U_RO)
#endif /* _ASMLANGUAGE */
#define _ARCH_MEM_PARTITION_ALIGN_CHECK(start, size) \
BUILD_ASSERT_MSG(!(((size) & ((size) - 1))) && (size) >= 32 && \
@ -230,6 +235,14 @@ extern "C" {
#define K_MEM_PARTITION_P_RW_U_NA (MPU_REGION_SU_RW)
#define K_MEM_PARTITION_P_RO_U_RO (MPU_REGION_READ | MPU_REGION_SU)
#define K_MEM_PARTITION_P_RO_U_NA (MPU_REGION_SU_RX)
/* Execution-allowed attributes */
#define K_MEM_PARTITION_P_RWX_U_RWX (MPU_REGION_READ | MPU_REGION_WRITE | \
MPU_REGION_EXEC | MPU_REGION_SU)
#define K_MEM_PARTITION_P_RWX_U_RX (MPU_REGION_READ | MPU_REGION_EXEC | \
MPU_REGION_SU_RWX)
#define K_MEM_PARTITION_P_RX_U_RX (MPU_REGION_READ | MPU_REGION_EXEC | \
MPU_REGION_SU)
#endif /* _ASMLANGUAGE */
#define _ARCH_MEM_PARTITION_ALIGN_CHECK(start, size) \
BUILD_ASSERT_MSG((size) % 32 == 0 && (size) >= 32 && \

5
include/arch/arm/cortex_m/mpu/nxp_mpu.h
View file

@ -68,6 +68,11 @@
(SM_RW_ALLOW << BM2_SM_SHIFT) | \
(SM_RW_ALLOW << BM3_SM_SHIFT))
#define MPU_REGION_SU_RWX ((SM_RWX_ALLOW << BM0_SM_SHIFT) | \
(SM_RWX_ALLOW << BM1_SM_SHIFT) | \
(SM_RWX_ALLOW << BM2_SM_SHIFT) | \
(SM_RWX_ALLOW << BM3_SM_SHIFT))
/* The ENDADDR field has the last 5 bit reserved and set to 1 */
#define ENDADDR_ROUND(x) (x - 0x1F)