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Add sme/sme2 detection to mach/init.c #264

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Merged
merged 3 commits into from
Oct 22, 2024
Merged

Add sme/sme2 detection to mach/init.c #264

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973ec72
Add `sme`/`sme2` detection to `mach/init.c`.
gonnet Oct 22, 2024
f6d0582
Fix formatting.
gonnet Oct 22, 2024
ff27821
Remove unrecognized features.
gonnet Oct 22, 2024
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10 changes: 10 additions & 0 deletions src/arm/mach/init.c
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Original file line number Diff line number Diff line change
Expand Up @@ -399,6 +399,16 @@ void cpuinfo_arm_mach_init(void) {
cpuinfo_isa.i8mm = true;
}

const uint32_t has_feat_sme = get_sys_info_by_name("hw.optional.arm.FEAT_SME");
if (has_feat_sme != 0) {
cpuinfo_isa.sme = true;
}

const uint32_t has_feat_sme2 = get_sys_info_by_name("hw.optional.arm.FEAT_SME2");
if (has_feat_sme2 != 0) {
cpuinfo_isa.sme2 = true;
}

uint32_t num_clusters = 1;
for (uint32_t i = 0; i < mach_topology.cores; i++) {
cores[i] = (struct cpuinfo_core){
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