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Diffstat (limited to 'src/arm/mach/init.c')
| -rw-r--r-- | src/arm/mach/init.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/src/arm/mach/init.c b/src/arm/mach/init.c index b6c4a7b..e912de6 100644 --- a/src/arm/mach/init.c +++ b/src/arm/mach/init.c @@ -348,6 +348,15 @@ void cpuinfo_arm_mach_init(void) { cpuinfo_isa.fp16arith = true; } + /* + * There does not yet seem to exist an OS mechanism to detect support for + * ARMv8.2 optional dot-product instructions, so we currently whitelist CPUs + * known to support these instruction. + */ + if (cpu_family == CPUFAMILY_ARM_LIGHTNING_THUNDER) { + cpuinfo_isa.dot = true; + } + uint32_t num_clusters = 1; for (uint32_t i = 0; i < mach_topology.cores; i++) { cores[i] = (struct cpuinfo_core) { |