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target/arm: Enable FEAT_LSE128 for -cpu max

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Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Message-id: 20250815122653.701782-8-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This commit is contained in:
Richard Henderson 2025-08-15 22:26:53 +10:00 • committed by Peter Maydell
parent 99e441107e
commit 23f5b02447
3 changed files with 3 additions and 1 deletions
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1
docs/system/arm/emulation.rst
View file

@ -89,6 +89,7 @@ the following architecture extensions:
- FEAT_LRCPC2 (Load-acquire RCpc instructions v2)
- FEAT_LSE (Large System Extensions)
- FEAT_LSE2 (Large System Extensions v2)
- FEAT_LSE128 (128-bit Atomics)
- FEAT_LVA (Large Virtual Address space)
- FEAT_MixedEnd (Mixed-endian support)
- FEAT_MixedEndEL0 (Mixed-endian support at EL0)

1
linux-user/aarch64/elfload.c
View file

@ -216,6 +216,7 @@ abi_ulong get_elf_hwcap2(CPUState *cs)
GET_FEATURE_ID(aa64_sme_f16f16, ARM_HWCAP2_A64_SME_F16F16);
GET_FEATURE_ID(aa64_sve_b16b16, ARM_HWCAP2_A64_SVE_B16B16);
GET_FEATURE_ID(aa64_cssc, ARM_HWCAP2_A64_CSSC);
GET_FEATURE_ID(aa64_lse128, ARM_HWCAP2_A64_LSE128);
return hwcaps;
}

2
target/arm/tcg/cpu64.c
View file

@ -1145,7 +1145,7 @@ void aarch64_max_tcg_initfn(Object *obj)
t = FIELD_DP64(t, ID_AA64ISAR0, SHA1, 1); /* FEAT_SHA1 */
t = FIELD_DP64(t, ID_AA64ISAR0, SHA2, 2); /* FEAT_SHA512 */
t = FIELD_DP64(t, ID_AA64ISAR0, CRC32, 1); /* FEAT_CRC32 */
t = FIELD_DP64(t, ID_AA64ISAR0, ATOMIC, 2); /* FEAT_LSE */
t = FIELD_DP64(t, ID_AA64ISAR0, ATOMIC, 3); /* FEAT_LSE, FEAT_LSE128 */
t = FIELD_DP64(t, ID_AA64ISAR0, RDM, 1); /* FEAT_RDM */
t = FIELD_DP64(t, ID_AA64ISAR0, SHA3, 1); /* FEAT_SHA3 */
t = FIELD_DP64(t, ID_AA64ISAR0, SM3, 1); /* FEAT_SM3 */