diff options
Diffstat (limited to 'newlib/libc/machine/sh/setjmp.S')
| -rw-r--r-- | newlib/libc/machine/sh/setjmp.S | 57 |
1 files changed, 57 insertions, 0 deletions
diff --git a/newlib/libc/machine/sh/setjmp.S b/newlib/libc/machine/sh/setjmp.S new file mode 100644 index 0000000..363e8f2 --- /dev/null +++ b/newlib/libc/machine/sh/setjmp.S @@ -0,0 +1,57 @@ +#include "asm.h" + +ENTRY(setjmp) +#if defined (__SH3E__) || defined(__SH4_SINGLE__) || defined(__SH4__) || defined(__SH4_SINGLE_ONLY__) + add #(13*4),r4 +#else + add #(9*4),r4 +#endif + + sts.l pr,@-r4 + +#if defined (__SH3E__) || defined(__SH4_SINGLE__) || defined(__SH4__) || defined(__SH4_SINGLE_ONLY__) + fmov.s fr15,@-r4 ! call saved floating point registers + fmov.s fr14,@-r4 + fmov.s fr13,@-r4 + fmov.s fr12,@-r4 +#endif + + mov.l r15,@-r4 ! call saved integer registers + mov.l r14,@-r4 + mov.l r13,@-r4 + mov.l r12,@-r4 + + mov.l r11,@-r4 + mov.l r10,@-r4 + mov.l r9,@-r4 + mov.l r8,@-r4 + + rts + mov #0,r0 + +ENTRY(longjmp) + mov.l @r4+,r8 + mov.l @r4+,r9 + mov.l @r4+,r10 + mov.l @r4+,r11 + + mov.l @r4+,r12 + mov.l @r4+,r13 + mov.l @r4+,r14 + mov.l @r4+,r15 + +#if defined (__SH3E__) || defined(__SH4_SINGLE__) || defined(__SH4__) || defined(__SH4_SINGLE_ONLY__) + fmov.s @r4+,fr12 ! call saved floating point registers + fmov.s @r4+,fr13 + fmov.s @r4+,fr14 + fmov.s @r4+,fr15 +#endif + + lds.l @r4+,pr + + mov r5,r0 + tst r0,r0 + bf retr4 + movt r0 +retr4: rts + nop |