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#ifndef __ASM_SH_ATOMIC_GRB_H #define __ASM_SH_ATOMIC_GRB_H static inline void atomic_add(int i, atomic_t *v) { int tmp; __asm__ __volatile__ ( " .align 2 \n\t" " mova 1f, r0 \n\t" /* r0 = end point */ " mov r15, r1 \n\t" /* r1 = saved sp */ " mov #-6, r15 \n\t" /* LOGIN: r15 = size */ " mov.l @%1, %0 \n\t" /* load old value */ " add %2, %0 \n\t" /* add */ " mov.l %0, @%1 \n\t" /* store new value */ "1: mov r1, r15 \n\t" /* LOGOUT */ : "=&r" (tmp), "+r" (v) : "r" (i) : "memory" , "r0", "r1"); } static inline void atomic_sub(int i, atomic_t *v) { int tmp; __asm__ __volatile__ ( " .align 2 \n\t" " mova 1f, r0 \n\t" /* r0 = end point */ " mov r15, r1 \n\t" /* r1 = saved sp */ " mov #-6, r15 \n\t" /* LOGIN: r15 = size */ " mov.l @%1, %0 \n\t" /* load old value */ " sub %2, %0 \n\t" /* sub */ " mov.l %0, @%1 \n\t" /* store new value */ "1: mov r1, r15 \n\t" /* LOGOUT */ : "=&r" (tmp), "+r" (v) : "r" (i) : "memory" , "r0", "r1"); } static inline int atomic_add_return(int i, atomic_t *v) { int tmp; __asm__ __volatile__ ( " .align 2 \n\t" " mova 1f, r0 \n\t" /* r0 = end point */ " mov r15, r1 \n\t" /* r1 = saved sp */ " mov #-6, r15 \n\t" /* LOGIN: r15 = size */ " mov.l @%1, %0 \n\t" /* load old value */ " add %2, %0 \n\t" /* add */ " mov.l %0, @%1 \n\t" /* store new value */ "1: mov r1, r15 \n\t" /* LOGOUT */ : "=&r" (tmp), "+r" (v) : "r" (i) : "memory" , "r0", "r1"); return tmp; } static inline int atomic_sub_return(int i, atomic_t *v) { int tmp; __asm__ __volatile__ ( " .align 2 \n\t" " mova 1f, r0 \n\t" /* r0 = end point */ " mov r15, r1 \n\t" /* r1 = saved sp */ " mov #-6, r15 \n\t" /* LOGIN: r15 = size */ " mov.l @%1, %0 \n\t" /* load old value */ " sub %2, %0 \n\t" /* sub */ " mov.l %0, @%1 \n\t" /* store new value */ "1: mov r1, r15 \n\t" /* LOGOUT */ : "=&r" (tmp), "+r" (v) : "r" (i) : "memory", "r0", "r1"); return tmp; } static inline void atomic_clear_mask(unsigned int mask, atomic_t *v) { int tmp; unsigned int _mask = ~mask; __asm__ __volatile__ ( " .align 2 \n\t" " mova 1f, r0 \n\t" /* r0 = end point */ " mov r15, r1 \n\t" /* r1 = saved sp */ " mov #-6, r15 \n\t" /* LOGIN: r15 = size */ " mov.l @%1, %0 \n\t" /* load old value */ " and %2, %0 \n\t" /* add */ " mov.l %0, @%1 \n\t" /* store new value */ "1: mov r1, r15 \n\t" /* LOGOUT */ : "=&r" (tmp), "+r" (v) : "r" (_mask) : "memory" , "r0", "r1"); } static inline void atomic_set_mask(unsigned int mask, atomic_t *v) { int tmp; __asm__ __volatile__ ( " .align 2 \n\t" " mova 1f, r0 \n\t" /* r0 = end point */ " mov r15, r1 \n\t" /* r1 = saved sp */ " mov #-6, r15 \n\t" /* LOGIN: r15 = size */ " mov.l @%1, %0 \n\t" /* load old value */ " or %2, %0 \n\t" /* or */ " mov.l %0, @%1 \n\t" /* store new value */ "1: mov r1, r15 \n\t" /* LOGOUT */ : "=&r" (tmp), "+r" (v) : "r" (mask) : "memory" , "r0", "r1"); } #endif /* __ASM_SH_ATOMIC_GRB_H */