| /kernel/trunk/arch/amd64/include/asm.h |
|---|
| 188,7 → 188,27 |
| return v; |
| } |
| /** Write to MSR */ |
| static inline void write_msr(__u32 msr, __u64 value) |
| { |
| __asm__ volatile ( |
| "wrmsr;" : : "c" (msr), |
| "a" ((__u32)(value)), |
| "d" ((__u32)(value >> 32)) |
| ); |
| } |
| static inline __native read_msr(__u32 msr) |
| { |
| __u32 ax, dx; |
| __asm__ volatile ( |
| "rdmsr;" : "=a"(ax), "=d"(dx) : "c" (msr) |
| ); |
| return ((__u64)dx << 32) | ax; |
| } |
| /** Enable local APIC |
| * |
| * Enable local APIC in MSR. |