diff options
Diffstat (limited to 'src/arm/linux/aarch64-isa.c')
| -rw-r--r-- | src/arm/linux/aarch64-isa.c | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/src/arm/linux/aarch64-isa.c b/src/arm/linux/aarch64-isa.c index 2000e1a..44a8f4d 100644 --- a/src/arm/linux/aarch64-isa.c +++ b/src/arm/linux/aarch64-isa.c @@ -41,6 +41,8 @@ void cpuinfo_arm64_linux_decode_isa_from_proc_cpuinfo( * - Processors with Exynos M4 cores * - Processors with Exynos M5 cores * - Neoverse N1 cores + * - Neoverse V1 cores + * - Neoverse N2 cores */ if (chipset->series == cpuinfo_arm_chipset_series_samsung_exynos && chipset->model == 9810) { /* Exynos 9810 reports that it supports FP16 compute, but in fact only little cores do */ @@ -54,6 +56,8 @@ void cpuinfo_arm64_linux_decode_isa_from_proc_cpuinfo( case UINT32_C(0x4100D0C0): /* Neoverse N1 */ case UINT32_C(0x4100D0D0): /* Cortex-A77 */ case UINT32_C(0x4100D0E0): /* Cortex-A76AE */ + case UINT32_C(0x4100D400): /* Neoverse V1 */ + case UINT32_C(0x4100D490): /* Neoverse N2 */ case UINT32_C(0x4800D400): /* Cortex-A76 (HiSilicon) */ case UINT32_C(0x51008020): /* Kryo 385 Gold (Cortex-A75) */ case UINT32_C(0x51008030): /* Kryo 385 Silver (Cortex-A55) */ @@ -78,6 +82,9 @@ void cpuinfo_arm64_linux_decode_isa_from_proc_cpuinfo( break; } } + if (features2 & CPUINFO_ARM_LINUX_FEATURE2_I8MM) { + isa->i8mm = true; + } /* * Many phones ship with an old kernel configuration that doesn't report UDOT/SDOT instructions. @@ -89,6 +96,8 @@ void cpuinfo_arm64_linux_decode_isa_from_proc_cpuinfo( case UINT32_C(0x4100D0C0): /* Neoverse N1 */ case UINT32_C(0x4100D0D0): /* Cortex-A77 */ case UINT32_C(0x4100D0E0): /* Cortex-A76AE */ + case UINT32_C(0x4100D400): /* Neoverse V1 */ + case UINT32_C(0x4100D490): /* Neoverse N2 */ case UINT32_C(0x4100D4A0): /* Neoverse E1 */ case UINT32_C(0x4800D400): /* Cortex-A76 (HiSilicon) */ case UINT32_C(0x51008040): /* Kryo 485 Gold (Cortex-A76) */ @@ -124,4 +133,13 @@ void cpuinfo_arm64_linux_decode_isa_from_proc_cpuinfo( if (features2 & CPUINFO_ARM_LINUX_FEATURE2_SVE2) { isa->sve2 = true; } + // SVEBF16 is set iff SVE and BF16 are both supported, but the SVEBF16 feature flag + // was added in Linux kernel before the BF16 feature flag, so we check for either. + if (features2 & (CPUINFO_ARM_LINUX_FEATURE2_BF16 | CPUINFO_ARM_LINUX_FEATURE2_SVEBF16)) { + isa->bf16 = true; + } + if (features & CPUINFO_ARM_LINUX_FEATURE_ASIMDFHM) { + isa->fhm = true; + } } + |