diff options
Diffstat (limited to 'include/asm-sh/system.h')
| -rw-r--r-- | include/asm-sh/system.h | 15 |
1 files changed, 10 insertions, 5 deletions
diff --git a/include/asm-sh/system.h b/include/asm-sh/system.h index f2e452ca2..40c54212f 100644 --- a/include/asm-sh/system.h +++ b/include/asm-sh/system.h @@ -26,6 +26,7 @@ typedef struct { register unsigned long *__ts6 __asm__ ("r6") = &next->thread.sp; \ register unsigned long __ts7 __asm__ ("r7") = next->thread.pc; \ __asm__ __volatile__ (".balign 4\n\t" \ + "stc.l gbr,@-r15\n\t" \ "sts.l pr,@-r15\n\t" \ "mov.l r8,@-r15\n\t" \ "mov.l r9,@-r15\n\t" \ @@ -41,11 +42,11 @@ typedef struct { "mov.l %0,@r2 ! save PC\n\t" \ "mov.l 2f,%0\n\t" \ "jmp @%0 ! call __switch_to\n\t" \ - " lds r7,pr ! with return to new PC\n" \ - "2:\n" \ - ".long " "_" "__switch_to\n\t" \ + " lds r7,pr ! with return to new PC\n\t" \ ".balign 4\n" \ - "1:\n" \ + "2:\n\t" \ + ".long " "_" "__switch_to\n" \ + "1:\n\t" \ "mov.l @r15+,%0 ! pop R0 from new stack\n\t" \ "mov.l @r15+,r14\n\t" \ "mov.l @r15+,r13\n\t" \ @@ -55,6 +56,7 @@ typedef struct { "mov.l @r15+,r9\n\t" \ "mov.l @r15+,r8\n\t" \ "lds.l @r15+,pr\n\t" \ + "ldc.l @r15+,gbr\n\t" \ :"=&z" (__last) \ :"0" (prev), \ "r" (__ts1), "r" (__ts2), \ @@ -84,6 +86,9 @@ extern void __xchg_called_with_bad_pointer(void); #define mb() __asm__ __volatile__ ("": : :"memory") #define rmb() mb() #define wmb() __asm__ __volatile__ ("": : :"memory") +#define set_rmb(var, value) do { xchg(&var, value); } while (0) +#define set_mb(var, value) set_rmb(var, value) +#define set_wmb(var, value) do { var = value; wmb(); } while (0) /* Interrupt Control */ extern __inline__ void __sti(void) @@ -164,7 +169,7 @@ extern __inline__ unsigned long xchg_u32(volatile int * m, unsigned long val) return retval; } -static __inline__ unsigned long __xchg(unsigned long x, void * ptr, int size) +static __inline__ unsigned long __xchg(unsigned long x, volatile void * ptr, int size) { switch (size) { case 4: |