diff options
| author | Catalin Marinas <catalin.marinas@arm.com> | 2023-10-26 19:10:05 +0300 |
|---|---|---|
| committer | Catalin Marinas <catalin.marinas@arm.com> | 2023-10-26 19:10:05 +0300 |
| commit | 023113fe66b4866b0d211b705e8bd287728f2e98 (patch) | |
| tree | 9d0bb27c57abeb459df10783550da75a3016228b /arch/arm64 | |
| parent | 2a3f8ce3bb2fca943e6b3225f796ce06c29621fd (diff) | |
| parent | 80652cc0c0485da593c1639a6355dcdab95364e6 (diff) | |
| download | linux-023113fe66b4866b0d211b705e8bd287728f2e98.tar.xz | |
Merge branch 'for-next/feat_lrcpc3' into for-next/core
* for-next/feat_lrcpc3:
: HWCAP for FEAT_LRCPC3
selftests/arm64: add HWCAP2_LRCPC3 test
arm64: add FEAT_LRCPC3 HWCAP
Diffstat (limited to 'arch/arm64')
| -rw-r--r-- | arch/arm64/include/asm/hwcap.h | 1 | ||||
| -rw-r--r-- | arch/arm64/include/uapi/asm/hwcap.h | 1 | ||||
| -rw-r--r-- | arch/arm64/kernel/cpufeature.c | 1 | ||||
| -rw-r--r-- | arch/arm64/kernel/cpuinfo.c | 1 | ||||
| -rw-r--r-- | arch/arm64/tools/sysreg | 1 |
5 files changed, 5 insertions, 0 deletions
diff --git a/arch/arm64/include/asm/hwcap.h b/arch/arm64/include/asm/hwcap.h index 210a41f8b10a..1c65f10619a0 100644 --- a/arch/arm64/include/asm/hwcap.h +++ b/arch/arm64/include/asm/hwcap.h @@ -140,6 +140,7 @@ #define KERNEL_HWCAP_MOPS __khwcap2_feature(MOPS) #define KERNEL_HWCAP_HBC __khwcap2_feature(HBC) #define KERNEL_HWCAP_SVE_B16B16 __khwcap2_feature(SVE_B16B16) +#define KERNEL_HWCAP_LRCPC3 __khwcap2_feature(LRCPC3) /* * This yields a mask that user programs can use to figure out what diff --git a/arch/arm64/include/uapi/asm/hwcap.h b/arch/arm64/include/uapi/asm/hwcap.h index 6faf549077c5..0f37944e98b6 100644 --- a/arch/arm64/include/uapi/asm/hwcap.h +++ b/arch/arm64/include/uapi/asm/hwcap.h @@ -105,5 +105,6 @@ #define HWCAP2_MOPS (1UL << 43) #define HWCAP2_HBC (1UL << 44) #define HWCAP2_SVE_B16B16 (1UL << 45) +#define HWCAP2_LRCPC3 (1UL << 46) #endif /* _UAPI__ASM_HWCAP_H */ diff --git a/arch/arm64/kernel/cpufeature.c b/arch/arm64/kernel/cpufeature.c index aacc8215c839..2fcf68a91ac1 100644 --- a/arch/arm64/kernel/cpufeature.c +++ b/arch/arm64/kernel/cpufeature.c @@ -2766,6 +2766,7 @@ static const struct arm64_cpu_capabilities arm64_elf_hwcaps[] = { HWCAP_CAP(ID_AA64ISAR1_EL1, FCMA, IMP, CAP_HWCAP, KERNEL_HWCAP_FCMA), HWCAP_CAP(ID_AA64ISAR1_EL1, LRCPC, IMP, CAP_HWCAP, KERNEL_HWCAP_LRCPC), HWCAP_CAP(ID_AA64ISAR1_EL1, LRCPC, LRCPC2, CAP_HWCAP, KERNEL_HWCAP_ILRCPC), + HWCAP_CAP(ID_AA64ISAR1_EL1, LRCPC, LRCPC3, CAP_HWCAP, KERNEL_HWCAP_LRCPC3), HWCAP_CAP(ID_AA64ISAR1_EL1, FRINTTS, IMP, CAP_HWCAP, KERNEL_HWCAP_FRINT), HWCAP_CAP(ID_AA64ISAR1_EL1, SB, IMP, CAP_HWCAP, KERNEL_HWCAP_SB), HWCAP_CAP(ID_AA64ISAR1_EL1, BF16, IMP, CAP_HWCAP, KERNEL_HWCAP_BF16), diff --git a/arch/arm64/kernel/cpuinfo.c b/arch/arm64/kernel/cpuinfo.c index ea2a31988103..0ba7e6cd8fee 100644 --- a/arch/arm64/kernel/cpuinfo.c +++ b/arch/arm64/kernel/cpuinfo.c @@ -128,6 +128,7 @@ static const char *const hwcap_str[] = { [KERNEL_HWCAP_MOPS] = "mops", [KERNEL_HWCAP_HBC] = "hbc", [KERNEL_HWCAP_SVE_B16B16] = "sveb16b16", + [KERNEL_HWCAP_LRCPC3] = "lrcpc3", }; #ifdef CONFIG_COMPAT diff --git a/arch/arm64/tools/sysreg b/arch/arm64/tools/sysreg index bb69ab34202b..4794556e67e9 100644 --- a/arch/arm64/tools/sysreg +++ b/arch/arm64/tools/sysreg @@ -1309,6 +1309,7 @@ UnsignedEnum 23:20 LRCPC 0b0000 NI 0b0001 IMP 0b0010 LRCPC2 + 0b0011 LRCPC3 EndEnum UnsignedEnum 19:16 FCMA 0b0000 NI |