From 706a92fbfa3932020d232890d1caf648b8e9eff6 Mon Sep 17 00:00:00 2001 From: Peter Maydell Date: Tue, 12 Sep 2023 15:04:34 +0100 Subject: [PATCH] target/arm: Enable FEAT_MOPS for CPU 'max' Enable FEAT_MOPS on the AArch64 'max' CPU, and add it to the list of features we implement. Signed-off-by: Peter Maydell Reviewed-by: Richard Henderson Message-id: 20230912140434.1333369-13-peter.maydell@linaro.org --- docs/system/arm/emulation.rst | 1 + linux-user/elfload.c | 1 + target/arm/tcg/cpu64.c | 1 + 3 files changed, 3 insertions(+) diff --git a/docs/system/arm/emulation.rst b/docs/system/arm/emulation.rst index 1fb6a2e8c3..965cbf84c5 100644 --- a/docs/system/arm/emulation.rst +++ b/docs/system/arm/emulation.rst @@ -58,6 +58,7 @@ the following architecture extensions: - FEAT_LSE (Large System Extensions) - FEAT_LSE2 (Large System Extensions v2) - FEAT_LVA (Large Virtual Address space) +- FEAT_MOPS (Standardization of memory operations) - FEAT_MTE (Memory Tagging Extension) - FEAT_MTE2 (Memory Tagging Extension) - FEAT_MTE3 (MTE Asymmetric Fault Handling) diff --git a/linux-user/elfload.c b/linux-user/elfload.c index 203a2b790d..db75cd4b33 100644 --- a/linux-user/elfload.c +++ b/linux-user/elfload.c @@ -816,6 +816,7 @@ uint32_t get_elf_hwcap2(void) GET_FEATURE_ID(aa64_sme_i16i64, ARM_HWCAP2_A64_SME_I16I64); GET_FEATURE_ID(aa64_sme_fa64, ARM_HWCAP2_A64_SME_FA64); GET_FEATURE_ID(aa64_hbc, ARM_HWCAP2_A64_HBC); + GET_FEATURE_ID(aa64_mops, ARM_HWCAP2_A64_MOPS); return hwcaps; } diff --git a/target/arm/tcg/cpu64.c b/target/arm/tcg/cpu64.c index 57abaea00c..68928e5127 100644 --- a/target/arm/tcg/cpu64.c +++ b/target/arm/tcg/cpu64.c @@ -1028,6 +1028,7 @@ void aarch64_max_tcg_initfn(Object *obj) cpu->isar.id_aa64isar1 = t; t = cpu->isar.id_aa64isar2; + t = FIELD_DP64(t, ID_AA64ISAR2, MOPS, 1); /* FEAT_MOPS */ t = FIELD_DP64(t, ID_AA64ISAR2, BC, 1); /* FEAT_HBC */ cpu->isar.id_aa64isar2 = t;