| 39,14 → 39,14 |
|---|
| */ |
| static inline pri_t cpu_priority_low(void) { |
| pri_t v; |
| pri_t tmp; |
| |
| __asm__ volatile ( |
| "mfmsr %0\n" |
| "mfmsr %%r31\n" |
| "ori %%r31, %%r31, 1 << 15\n" |
| "mtmsr %%r31\n" |
| : "=r" (v) |
| : |
| : "%r31" |
| "mfmsr %1\n" |
| "ori %1, %1, 1 << 15\n" |
| "mtmsr %1\n" |
| : "=r" (v), "=r" (tmp) |
| ); |
| return v; |
| } |
| 58,14 → 58,14 |
|---|
| */ |
| static inline pri_t cpu_priority_high(void) { |
| pri_t v; |
| pri_t tmp; |
| |
| __asm__ volatile ( |
| "mfmsr %0\n" |
| "mfmsr %%r31\n" |
| "rlwinm %%r31, %%r31, 0, 17, 15\n" |
| "mtmsr %%r31\n" |
| : "=r" (v) |
| : |
| : "%r31" |
| "mfmsr %1\n" |
| "rlwinm %1, %1, 0, 17, 15\n" |
| "mtmsr %1\n" |
| : "=r" (v), "=r" (tmp) |
| ); |
| return v; |
| } |
| 75,16 → 75,17 |
|---|
| * Restore EE. |
| */ |
| static inline void cpu_priority_restore(pri_t pri) { |
| pri_t tmp; |
| |
| __asm__ volatile ( |
| "mfmsr %%r31\n" |
| "rlwimi %0, %%r31, 0, 17, 15\n" |
| "cmpw 0, %0, %%r31\n" |
| "mfmsr %1\n" |
| "rlwimi %0, %1, 0, 17, 15\n" |
| "cmpw 0, %0, %1\n" |
| "beq 0f\n" |
| "mtmsr %0\n" |
| "0:\n" |
| : "=r" (pri) |
| : "=r" (pri), "=r" (tmp) |
| : "0" (pri) |
| : "%r31" |
| ); |
| } |
| |
| 116,6 → 117,7 |
|---|
| return v; |
| } |
| |
| void cpu_halt(void); |
| void cpu_sleep(void); |
| void asm_delay_loop(__u32 t); |
| |