diff options
Diffstat (limited to 'include/asm-sh/cmpxchg-grb.h')
| -rw-r--r-- | include/asm-sh/cmpxchg-grb.h | 70 |
1 files changed, 0 insertions, 70 deletions
diff --git a/include/asm-sh/cmpxchg-grb.h b/include/asm-sh/cmpxchg-grb.h deleted file mode 100644 index e2681ab..0000000 --- a/include/asm-sh/cmpxchg-grb.h +++ /dev/null @@ -1,70 +0,0 @@ -#ifndef __ASM_SH_CMPXCHG_GRB_H -#define __ASM_SH_CMPXCHG_GRB_H - -static inline unsigned long xchg_u32(volatile u32 *m, unsigned long val) -{ - unsigned long retval; - - __asm__ __volatile__ ( - " .align 2 \n\t" - " mova 1f, r0 \n\t" /* r0 = end point */ - " nop \n\t" - " mov r15, r1 \n\t" /* r1 = saved sp */ - " mov #-4, r15 \n\t" /* LOGIN */ - " mov.l @%1, %0 \n\t" /* load old value */ - " mov.l %2, @%1 \n\t" /* store new value */ - "1: mov r1, r15 \n\t" /* LOGOUT */ - : "=&r" (retval), - "+r" (m) - : "r" (val) - : "memory", "r0", "r1"); - - return retval; -} - -static inline unsigned long xchg_u8(volatile u8 *m, unsigned long val) -{ - unsigned long retval; - - __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 */ - " mov.b @%1, %0 \n\t" /* load old value */ - " extu.b %0, %0 \n\t" /* extend as unsigned */ - " mov.b %2, @%1 \n\t" /* store new value */ - "1: mov r1, r15 \n\t" /* LOGOUT */ - : "=&r" (retval), - "+r" (m) - : "r" (val) - : "memory" , "r0", "r1"); - - return retval; -} - -static inline unsigned long __cmpxchg_u32(volatile int *m, unsigned long old, - unsigned long new) -{ - unsigned long retval; - - __asm__ __volatile__ ( - " .align 2 \n\t" - " mova 1f, r0 \n\t" /* r0 = end point */ - " nop \n\t" - " mov r15, r1 \n\t" /* r1 = saved sp */ - " mov #-8, r15 \n\t" /* LOGIN */ - " mov.l @%1, %0 \n\t" /* load old value */ - " cmp/eq %0, %2 \n\t" - " bf 1f \n\t" /* if not equal */ - " mov.l %2, @%1 \n\t" /* store new value */ - "1: mov r1, r15 \n\t" /* LOGOUT */ - : "=&r" (retval), - "+r" (m) - : "r" (new) - : "memory" , "r0", "r1", "t"); - - return retval; -} - -#endif /* __ASM_SH_CMPXCHG_GRB_H */ |
