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aarch64: Extract Pointer Authentication feature from Armv8.3-A

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Extract PAC (Pointer Authentication) feature from Armv8.3-A.
Please note that PAC stays a Armv8.3-A feature but now can be
assigned to other architectures or CPUs.
This commit is contained in:
Przemyslaw Wirkus
2020-11-06 13:09:51 +00:00
parent fa63ba779d
commit af1bd771fc
4 changed files with 52 additions and 33 deletions
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2
include/opcode/aarch64.h
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@ -53,6 +53,7 @@ typedef uint32_t aarch64_insn;
#define AARCH64_FEATURE_V8_7 (1ULL << 13) /* Armv8.7 processors. */
#define AARCH64_FEATURE_CSRE (1ULL << 14) /* CSRE feature. */
#define AARCH64_FEATURE_LS64 (1ULL << 15) /* Atomic 64-byte load/store. */
#define AARCH64_FEATURE_PAC (1ULL << 16) /* v8.3 Pointer Authentication. */
#define AARCH64_FEATURE_FP (1ULL << 17) /* FP instructions. */
#define AARCH64_FEATURE_SIMD (1ULL << 18) /* SIMD instructions. */
#define AARCH64_FEATURE_CRC (1ULL << 19) /* CRC instructions. */
@ -110,6 +111,7 @@ typedef uint32_t aarch64_insn;
AARCH64_FEATURE_V8_2)
#define AARCH64_ARCH_V8_3 AARCH64_FEATURE (AARCH64_ARCH_V8_2, \
AARCH64_FEATURE_V8_3 \
| AARCH64_FEATURE_PAC \
| AARCH64_FEATURE_RCPC \
| AARCH64_FEATURE_COMPNUM)
#define AARCH64_ARCH_V8_4 AARCH64_FEATURE (AARCH64_ARCH_V8_3, \