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cpukit/arm.h: Add ARMV8_M Definitions

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Some fixes where necessary to not handle ARMv8M identical to (for
example) ARMv8A. ARMv8M is more similar to ARMv7M.

Co-authored-by: Christian Mauderer <christian.mauderer@embedded-brains.de>
This commit is contained in:
Matt Joyce
2024-07-06 17:05:07 +02:00
committed by Amar Takhar
parent f095049c7c
commit 104aea035d
1 changed files with 6 additions and 5 deletions
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11
cpukit/score/cpu/arm/include/rtems/score/arm.h
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@@ -51,7 +51,10 @@ extern "C" {
* @{
*/
#if defined(__ARM_ARCH_7M__) || defined(__ARM_ARCH_7EM__)
#if __ARM_ARCH == 8 && __ARM_ARCH_PROFILE == 'M'
#define CPU_MODEL_NAME "ARMv8M"
#define ARM_MULTILIB_ARCH_V7M
#elif __ARM_ARCH == 7 && __ARM_ARCH_PROFILE == 'M'
#define CPU_MODEL_NAME "ARMv7M"
#define ARM_MULTILIB_ARCH_V7M
#elif defined(__ARM_ARCH_6M__)
@@ -70,15 +73,13 @@ extern "C" {
#endif
#ifndef ARM_DISABLE_THREAD_ID_REGISTER_USE
#if defined(__ARM_ARCH_7A__) \
|| defined(__ARM_ARCH_7R__) \
|| __ARM_ARCH >= 8 \
#if (__ARM_ARCH >= 7 && __ARM_ARCH_PROFILE != 'M') \
|| __ARM_ARCH == 6
#define ARM_MULTILIB_HAS_THREAD_ID_REGISTER
#endif
#endif
#if defined(__ARM_ARCH_7A__) || __ARM_ARCH >= 8
#if defined(__ARM_ARCH_7A__) || (__ARM_ARCH >= 8 && __ARM_ARCH_PROFILE != 'M')
#define ARM_MULTILIB_CACHE_LINE_MAX_64
#endif