From: Richard Henderson Date: Fri, 15 Aug 2025 12:26:53 +0000 (+1000) Subject: target/arm: Enable FEAT_LSE128 for -cpu max X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=23f5b02447503d9e28f6fad690ccce850c7bb656;p=thirdparty%2Fqemu.git target/arm: Enable FEAT_LSE128 for -cpu max Signed-off-by: Richard Henderson Reviewed-by: Peter Maydell Message-id: 20250815122653.701782-8-richard.henderson@linaro.org Signed-off-by: Peter Maydell --- diff --git a/docs/system/arm/emulation.rst b/docs/system/arm/emulation.rst index b12f013b4fc..4e8aca8b5d5 100644 --- a/docs/system/arm/emulation.rst +++ b/docs/system/arm/emulation.rst @@ -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) diff --git a/linux-user/aarch64/elfload.c b/linux-user/aarch64/elfload.c index 8bf39c47304..77d03b50e1b 100644 --- a/linux-user/aarch64/elfload.c +++ b/linux-user/aarch64/elfload.c @@ -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; } diff --git a/target/arm/tcg/cpu64.c b/target/arm/tcg/cpu64.c index eaf8846a6a5..b8b1981e702 100644 --- a/target/arm/tcg/cpu64.c +++ b/target/arm/tcg/cpu64.c @@ -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 */