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core/sys/info: Fix the CPUID check

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This needs to test that the n-th bit is set.
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Yawning Angel committed 2023-05-16 23:52:15 +09:00
1 parent 3fed1af7df
commit def4fdc3f3
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core/sys/info/cpu_intel.odin
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@@ -38,7 +38,7 @@ cpu_name: Maybe(string)
@(init, private) @(init, private)
init_cpu_features :: proc "c" () { init_cpu_features :: proc "c" () {
is_set :: #force_inline proc "c" (hwc: u32, value: u32) -> bool { is_set :: #force_inline proc "c" (hwc: u32, value: u32) -> bool {
return hwc&value != 0 return hwc&(1 << value) != 0
} }
try_set :: #force_inline proc "c" (set: ^CPU_Features, feature: CPU_Feature, hwc: u32, value: u32) { try_set :: #force_inline proc "c" (set: ^CPU_Features, feature: CPU_Feature, hwc: u32, value: u32) {
if is_set(hwc, value) { if is_set(hwc, value) {