diff options
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/arm/include/uapi/asm/hwcap.h | 1 | ||||
| -rw-r--r-- | arch/arm/kernel/setup.c | 1 | ||||
| -rw-r--r-- | arch/arm/vfp/vfpmodule.c | 6 |
3 files changed, 8 insertions, 0 deletions
diff --git a/arch/arm/include/uapi/asm/hwcap.h b/arch/arm/include/uapi/asm/hwcap.h index 14e260e2d6d0..46833c668ec2 100644 --- a/arch/arm/include/uapi/asm/hwcap.h +++ b/arch/arm/include/uapi/asm/hwcap.h @@ -33,6 +33,7 @@ #define HWCAP_ASIMDDP (1 << 24) #define HWCAP_ASIMDFHM (1 << 25) #define HWCAP_ASIMDBF16 (1 << 26) +#define HWCAP_I8MM (1 << 27) /* * HWCAP2 flags - for elf_hwcap2 (in kernel) and AT_HWCAP2 diff --git a/arch/arm/kernel/setup.c b/arch/arm/kernel/setup.c index 070067cb6c77..5807fa021785 100644 --- a/arch/arm/kernel/setup.c +++ b/arch/arm/kernel/setup.c @@ -1254,6 +1254,7 @@ static const char *hwcap_str[] = { "asimddp", "asimdfhm", "asimdbf16", + "i8mm", NULL }; diff --git a/arch/arm/vfp/vfpmodule.c b/arch/arm/vfp/vfpmodule.c index ff574cb8a0b9..281110423871 100644 --- a/arch/arm/vfp/vfpmodule.c +++ b/arch/arm/vfp/vfpmodule.c @@ -857,6 +857,12 @@ static int __init vfp_init(void) */ if (cpuid_feature_extract_field(isar6, 20) == 0x1) elf_hwcap |= HWCAP_ASIMDBF16; + /* + * Check for the presence of Advanced SIMD and floating point + * Int8 matrix multiplication instructions instructions. + */ + if (cpuid_feature_extract_field(isar6, 24) == 0x1) + elf_hwcap |= HWCAP_I8MM; /* Extract the architecture version on pre-cpuid scheme */ } else { |