| 40,8 → 40,13 |
|---|
| static inline pri_t cpu_priority_low(void) { |
| pri_t v; |
| __asm__ volatile ( |
| "\n" |
| "mfmsr %0\n" |
| "mfmsr %%r31\n" |
| "ori %%r31, %%r31, 1 << 15\n" |
| "mtmsr %%r31\n" |
| : "=r" (v) |
| : |
| : "%r31" |
| ); |
| return v; |
| } |
| 54,8 → 59,13 |
|---|
| static inline pri_t cpu_priority_high(void) { |
| pri_t v; |
| __asm__ volatile ( |
| "\n" |
| "mfmsr %0\n" |
| "mfmsr %%r31\n" |
| "rlwinm %%r31, %%r31, 0, 17, 15\n" |
| "mtmsr %%r31\n" |
| : "=r" (v) |
| : |
| : "%r31" |
| ); |
| return v; |
| } |
| 66,8 → 76,12 |
|---|
| */ |
| static inline void cpu_priority_restore(pri_t pri) { |
| __asm__ volatile ( |
| "\n" |
| : : "r" (pri) |
| "mfmsr %%r31\n" |
| "rlwimi %0, %%r31, 0, 17, 15\n" |
| "mtmsr %0\n" |
| : "=r" (pri) |
| : "0" (pri) |
| : "%r31" |
| ); |
| } |
| |