| 107 | } |
| 108 | |
| 109 | static __inline void |
| 110 | atomic_clear_32(__volatile uint32_t *p, uint32_t v) |
| 111 | { |
| 112 | uint32_t temp; |
| 113 | v = ~v; |
| 114 | |
| 115 | __asm __volatile ( |
| 116 | "1:\tll %0, %3\n\t" /* load old value */ |
| 117 | "and %0, %2, %0\n\t" /* calculate new value */ |
| 118 | "sc %0, %1\n\t" /* attempt to store */ |
| 119 | "beqz %0, 1b\n\t" /* spin if failed */ |
| 120 | : "=&r" (temp), "=m" (*p) |
| 121 | : "r" (v), "m" (*p) |
| 122 | : "memory"); |
| 123 | } |
| 124 | |
| 125 | static __inline void |
| 126 | atomic_add_32(__volatile uint32_t *p, uint32_t v) |
no outgoing calls
no test coverage detected