| 138,8 → 138,8 |
|---|
| static inline pri_t cpu_priority_low(void) { |
| pri_t v; |
| __asm__ volatile ( |
| "pushf\n" |
| "popl %0\n" |
| "pushf\n\t" |
| "popl %0\n\t" |
| "sti\n" |
| : "=r" (v) |
| ); |
| 154,8 → 154,8 |
|---|
| static inline pri_t cpu_priority_high(void) { |
| pri_t v; |
| __asm__ volatile ( |
| "pushf\n" |
| "popl %0\n" |
| "pushf\n\t" |
| "popl %0\n\t" |
| "cli\n" |
| : "=r" (v) |
| ); |
| 168,7 → 168,7 |
|---|
| */ |
| static inline void cpu_priority_restore(pri_t pri) { |
| __asm__ volatile ( |
| "pushl %0\n" |
| "pushl %0\n\t" |
| "popf\n" |
| : : "r" (pri) |
| ); |
| 181,7 → 181,7 |
|---|
| static inline pri_t cpu_priority_read(void) { |
| pri_t v; |
| __asm__ volatile ( |
| "pushf\n" |
| "pushf\n\t" |
| "popl %0\n" |
| : "=r" (v) |
| ); |
| 212,5 → 212,35 |
|---|
| return v; |
| } |
| |
| /** Copy memory |
| * |
| * Copy a given number of bytes (3rd argument) |
| * from the memory location defined by 2nd argument |
| * to the memory location defined by 1st argument. |
| * The memory areas cannot overlap. |
| * |
| * @param destination |
| * @param source |
| * @param number of bytes |
| * @return destination |
| */ |
| static inline void * memcpy(void * dst, const void * src, size_t cnt) |
| { |
| __u32 d0, d1, d2; |
| |
| __asm__ __volatile__( |
| "rep movsl\n\t" |
| "movl %4, %%ecx\n\t" |
| "andl $3, %%ecx\n\t" |
| "jz 1f\n\t" |
| "rep movsb\n\t" |
| "1:\n" |
| : "=&c" (d0), "=&D" (d1), "=&S" (d2) |
| : "0" (cnt / 4), "g" (cnt), "1" ((__u32) dst), "2" ((__u32) src) |
| : "memory"); |
| |
| return dst; |
| } |
| |
| |
| #endif |