diff options
Diffstat (limited to 'newlib/libc/machine/z8k/setjmp.S')
| -rw-r--r-- | newlib/libc/machine/z8k/setjmp.S | 49 |
1 files changed, 49 insertions, 0 deletions
diff --git a/newlib/libc/machine/z8k/setjmp.S b/newlib/libc/machine/z8k/setjmp.S new file mode 100644 index 0000000..6a76641 --- /dev/null +++ b/newlib/libc/machine/z8k/setjmp.S @@ -0,0 +1,49 @@ + +#ifdef __Z8001__ + segm + + .global _setjmp +_setjmp: + ldl rr2,@rr14 ! fetch pc + ldl @rr6,rr2 ! save it + ldl rr6(4),rr10 + ldl rr6(8),rr12 ! and the other special regs + ldl rr6(12),rr14 + ldk r2,#0 + ret t + + .globl _longjmp + +_longjmp: + ld r2,r5 ! get return value + ldl rr4,rr6(0) + ldl rr10,rr6(4) + ldl rr12,rr6(8) + ldl rr14,rr6(12) + jp @rr4 +#else + unseg + + .global _setjmp +_setjmp: + ld r2,@r15 ! fetch pc + ld @r7,r2 ! save it + ldl r7(4),rr10 + ldl r7(8),rr12 ! and the other special regs + ldl r7(12),rr14 + ldk r2,#0 + ret t + + .globl _longjmp + +_longjmp: + ld r2,r6 ! get return value + ld r4,@r7 + ldl rr10,rr7(4) + ldl rr12,rr7(8) + ldl rr14,rr7(12) + jp @rr4 + +#endif + + |