From: Peter Maydell Date: Fri, 15 Sep 2023 14:36:59 +0000 (+0100) Subject: linux-user/elfload.c: Report previously missing arm32 hwcaps X-Git-Tag: qemu-xen-4.20.0~529^2~24 X-Git-Url: http://xenbits.xensource.com/gitweb?a=commitdiff_plain;h=429b7e0107ddbb1a8103b1cf5c69f6db8795fdc3;p=qemu-xen.git linux-user/elfload.c: Report previously missing arm32 hwcaps Add the code to report the arm32 hwcaps we were previously missing: ss, ssbs, fphp, asimdhp, asimddp, asimdfhm, asimdbf16, i8mm Signed-off-by: Peter Maydell Reviewed-by: Richard Henderson --- diff --git a/linux-user/elfload.c b/linux-user/elfload.c index d51d077998..bbb4f08109 100644 --- a/linux-user/elfload.c +++ b/linux-user/elfload.c @@ -506,6 +506,16 @@ uint32_t get_elf_hwcap(void) } } GET_FEATURE_ID(aa32_simdfmac, ARM_HWCAP_ARM_VFPv4); + /* + * MVFR1.FPHP and .SIMDHP must be in sync, and QEMU uses the same + * isar_feature function for both. The kernel reports them as two hwcaps. + */ + GET_FEATURE_ID(aa32_fp16_arith, ARM_HWCAP_ARM_FPHP); + GET_FEATURE_ID(aa32_fp16_arith, ARM_HWCAP_ARM_ASIMDHP); + GET_FEATURE_ID(aa32_dp, ARM_HWCAP_ARM_ASIMDDP); + GET_FEATURE_ID(aa32_fhm, ARM_HWCAP_ARM_ASIMDFHM); + GET_FEATURE_ID(aa32_bf16, ARM_HWCAP_ARM_ASIMDBF16); + GET_FEATURE_ID(aa32_i8mm, ARM_HWCAP_ARM_I8MM); return hwcaps; } @@ -520,6 +530,8 @@ uint32_t get_elf_hwcap2(void) GET_FEATURE_ID(aa32_sha1, ARM_HWCAP2_ARM_SHA1); GET_FEATURE_ID(aa32_sha2, ARM_HWCAP2_ARM_SHA2); GET_FEATURE_ID(aa32_crc32, ARM_HWCAP2_ARM_CRC32); + GET_FEATURE_ID(aa32_sb, ARM_HWCAP2_ARM_SB); + GET_FEATURE_ID(aa32_ssbs, ARM_HWCAP2_ARM_SSBS); return hwcaps; }