diff options
Diffstat (limited to 'src/arm/linux/aarch32-isa.c')
| -rw-r--r-- | src/arm/linux/aarch32-isa.c | 22 |
1 files changed, 14 insertions, 8 deletions
diff --git a/src/arm/linux/aarch32-isa.c b/src/arm/linux/aarch32-isa.c index 6e659f5..41f9972 100644 --- a/src/arm/linux/aarch32-isa.c +++ b/src/arm/linux/aarch32-isa.c @@ -78,18 +78,24 @@ void cpuinfo_arm_linux_decode_isa_from_proc_cpuinfo( /* * NEON VDOT instructions are not indicated in /proc/cpuinfo. - * Use a MIDR-based heuristic to whitelist processors known to support it: - * - Processors with Qualcomm-modified Cortex-A76 cores - * - Kirin 980 processor + * Use a MIDR-based heuristic to whitelist processors known to support it. */ switch (midr & (CPUINFO_ARM_MIDR_IMPLEMENTER_MASK | CPUINFO_ARM_MIDR_PART_MASK)) { + case UINT32_C(0x4100D0B0): /* Cortex-A76 */ + case UINT32_C(0x4100D0D0): /* Cortex-A77 */ + case UINT32_C(0x4100D0E0): /* Cortex-A76AE */ + case UINT32_C(0x4800D400): /* Cortex-A76 (HiSilicon) */ case UINT32_C(0x51008040): /* Kryo 485 Gold (Cortex-A76) */ + case UINT32_C(0x51008050): /* Kryo 485 Silver (Cortex-A55) */ + case UINT32_C(0x53000030): /* Exynos-M4 */ + case UINT32_C(0x53000040): /* Exynos-M5 */ isa->dot = true; break; - default: - if (chipset->series == cpuinfo_arm_chipset_series_hisilicon_kirin && chipset->model == 980) { - isa->dot = true; - } + case UINT32_C(0x4100D050): /* Cortex A55: revision 1 or later only */ + isa->dot = !!(midr_get_variant(midr) >= 1); + break; + case UINT32_C(0x4100D0A0): /* Cortex A75: revision 2 or later only */ + isa->dot = !!(midr_get_variant(midr) >= 2); break; } } else { @@ -194,7 +200,7 @@ void cpuinfo_arm_linux_decode_isa_from_proc_cpuinfo( CPUINFO_ARM_LINUX_FEATURE_VFPD32 | CPUINFO_ARM_LINUX_FEATURE_VFPV4 | CPUINFO_ARM_LINUX_FEATURE_NEON; if ((architecture_version >= 7) || (features & vfpv3_mask)) { isa->vfpv3 = true; - + const uint32_t d32_mask = CPUINFO_ARM_LINUX_FEATURE_VFPD32 | CPUINFO_ARM_LINUX_FEATURE_NEON; if (features & d32_mask) { isa->d32 = true; |