From: Richard Henderson <richard.hender...@linaro.org>
Signed-off-by: Richard Henderson <richard.hender...@linaro.org>
Reviewed-by: Peter Maydell <peter.mayd...@linaro.org>
Message-id: 20250803014019.416797-7-richard.hender...@linaro.org
[PMM: rebased to handle linux-user elfload.c refactor]
Signed-off-by: Peter Maydell <peter.mayd...@linaro.org>
---
docs/system/arm/emulation.rst | 1 +
linux-user/aarch64/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 1c597d86738..b12f013b4fc 100644
--- a/docs/system/arm/emulation.rst
+++ b/docs/system/arm/emulation.rst
@@ -30,6 +30,7 @@ the following architecture extensions:
- FEAT_CMOW (Control for cache maintenance permission)
- FEAT_CRC32 (CRC32 instructions)
- FEAT_Crypto (Cryptographic Extension)
+- FEAT_CSSC (Common Short Sequence Compression instructions)
- FEAT_CSV2 (Cache speculation variant 2)
- FEAT_CSV2_1p1 (Cache speculation variant 2, version 1.1)
- FEAT_CSV2_1p2 (Cache speculation variant 2, version 1.2)
diff --git a/linux-user/aarch64/elfload.c b/linux-user/aarch64/elfload.c
index 1030cb80947..482c0df2d7f 100644
--- a/linux-user/aarch64/elfload.c
+++ b/linux-user/aarch64/elfload.c
@@ -212,6 +212,7 @@ abi_ulong get_elf_hwcap2(CPUState *cs)
GET_FEATURE_ID(aa64_sme_b16b16, ARM_HWCAP2_A64_SME_B16B16);
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);
return hwcaps;
}
diff --git a/target/arm/tcg/cpu64.c b/target/arm/tcg/cpu64.c
index 4eb51420ef6..eaf8846a6a5 100644
--- a/target/arm/tcg/cpu64.c
+++ b/target/arm/tcg/cpu64.c
@@ -1178,6 +1178,7 @@ void aarch64_max_tcg_initfn(Object *obj)
t = FIELD_DP64(t, ID_AA64ISAR2, MOPS, 1); /* FEAT_MOPS */
t = FIELD_DP64(t, ID_AA64ISAR2, BC, 1); /* FEAT_HBC */
t = FIELD_DP64(t, ID_AA64ISAR2, WFXT, 2); /* FEAT_WFxT */
+ t = FIELD_DP64(t, ID_AA64ISAR2, CSSC, 1); /* FEAT_CSSC */
SET_IDREG(isar, ID_AA64ISAR2, t);
t = GET_IDREG(isar, ID_AA64PFR0);
--
2.43.0
