Last change
on this file since 444 was
444,
checked in by satin@…, 6 years ago
|
add newlib,libalmos-mkh, restructure shared_syscalls.h and mini-libc
|
File size:
820 bytes
|
Rev | Line | |
---|
[444] | 1 | /* This is a simple version of setjmp and longjmp for iq2000. */ |
---|
| 2 | |
---|
| 3 | |
---|
| 4 | /* int setjmp (jmp_buf); */ |
---|
| 5 | .globl setjmp |
---|
| 6 | .ent setjmp |
---|
| 7 | setjmp: |
---|
| 8 | sw r16,0(r4) /* rs0 */ |
---|
| 9 | sw r17,4(r4) /* rs1 */ |
---|
| 10 | sw r18,8(r4) /* rs2 */ |
---|
| 11 | sw r19,12(r4) /* rs3 */ |
---|
| 12 | sw r20,16(r4) /* rs4 */ |
---|
| 13 | sw r21,20(r4) /* rs5 */ |
---|
| 14 | sw r22,24(r4) /* rs6 */ |
---|
| 15 | sw r23,28(r4) /* rs7 */ |
---|
| 16 | sw r30,32(r4) /* rs8 */ |
---|
| 17 | |
---|
| 18 | sw r29,36(r4) |
---|
| 19 | sw r31,40(r4) |
---|
| 20 | |
---|
| 21 | move r2,r0 |
---|
| 22 | |
---|
| 23 | j r31 |
---|
| 24 | |
---|
| 25 | .end setjmp |
---|
| 26 | |
---|
| 27 | /* volatile void longjmp (jmp_buf, int); */ |
---|
| 28 | .globl longjmp |
---|
| 29 | .ent longjmp |
---|
| 30 | longjmp: |
---|
| 31 | lw r16,0(r4) /* rs0 */ |
---|
| 32 | lw r17,4(r4) /* rs1 */ |
---|
| 33 | lw r18,8(r4) /* rs2 */ |
---|
| 34 | lw r19,12(r4) /* rs3 */ |
---|
| 35 | lw r20,16(r4) /* rs4 */ |
---|
| 36 | lw r21,20(r4) /* rs5 */ |
---|
| 37 | lw r22,24(r4) /* rs6 */ |
---|
| 38 | lw r23,28(r4) /* rs7 */ |
---|
| 39 | lw r30,32(r4) /* rs8 */ |
---|
| 40 | |
---|
| 41 | lw r29,36(r4) |
---|
| 42 | lw r31,40(r4) |
---|
| 43 | |
---|
| 44 | bne r5,r0,1f |
---|
| 45 | li r5,1 |
---|
| 46 | 1: |
---|
| 47 | move r2,r5 |
---|
| 48 | |
---|
| 49 | j r31 |
---|
| 50 | |
---|
| 51 | .end longjmp |
---|
Note: See
TracBrowser
for help on using the repository browser.