diff options
| author | Aleksa Vuckovic <aleksa@vuckovic.cc> | 2023-02-22 17:31:52 +0100 |
|---|---|---|
| committer | Aleksa Vuckovic <aleksa@vuckovic.cc> | 2023-02-22 17:36:02 +0100 |
| commit | 57e6722453c27d35a3b02309ce21263d225a23e3 (patch) | |
| tree | 7469dce46d063ddc7a3f3a7da6dcff928730488a /kernel/src/cpu/kcpuid.c | |
| parent | 2bb4e7fb4c0f5895148bb32da64381b985c8dcef (diff) | |
curr_cpu_apic_id() now works on old amd cpus
Diffstat (limited to 'kernel/src/cpu/kcpuid.c')
| -rw-r--r-- | kernel/src/cpu/kcpuid.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/kernel/src/cpu/kcpuid.c b/kernel/src/cpu/kcpuid.c new file mode 100644 index 0000000..30a4d3e --- /dev/null +++ b/kernel/src/cpu/kcpuid.c @@ -0,0 +1,7 @@ +#include <types.h> +#include <kcpuid.h> + +void kcpuid(uint32_t func, uint32_t subfunc, CPUIDinfo* info) +{ + __asm__ __volatile__ ( "cpuid" : "=a"(info->EAX), "=b"(info->EBX), "=c"(info->ECX), "=d"(info->EDX) : "a"(func), "c"(subfunc) : ); +} |