|
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:
1.4 KB
|
| Line | |
|---|
| 1 | /* setjmp/longjmp routines. |
|---|
| 2 | * |
|---|
| 3 | * Written by Michael Hayes <m.hayes@elec.canterbury.ac.nz>. |
|---|
| 4 | * |
|---|
| 5 | * The author hereby grant permission to use, copy, modify, distribute, |
|---|
| 6 | * and license this software and its documentation for any purpose, provided |
|---|
| 7 | * that existing copyright notices are retained in all copies and that this |
|---|
| 8 | * notice is included verbatim in any distributions. No written agreement, |
|---|
| 9 | * license, or royalty fee is required for any of the authorized uses. |
|---|
| 10 | * Modifications to this software may be copyrighted by their authors |
|---|
| 11 | * and need not follow the licensing terms described here, provided that |
|---|
| 12 | * the new terms are clearly indicated on the first page of each file where |
|---|
| 13 | * they apply. |
|---|
| 14 | */ |
|---|
| 15 | |
|---|
| 16 | .sect .text |
|---|
| 17 | .global setjmp |
|---|
| 18 | .global longjmp |
|---|
| 19 | |
|---|
| 20 | setjmp: |
|---|
| 21 | pop r1 |
|---|
| 22 | ldi sp, ar0 |
|---|
| 23 | #ifndef _REGPARM |
|---|
| 24 | ldi *ar0, ar2 |
|---|
| 25 | #endif |
|---|
| 26 | |
|---|
| 27 | sti r4, *ar2++ |
|---|
| 28 | sti r5, *ar2++ |
|---|
| 29 | stf r6, *ar2++ |
|---|
| 30 | stf r7, *ar2++ |
|---|
| 31 | #ifdef _TMS320C4x |
|---|
| 32 | sti r8, *ar2++ |
|---|
| 33 | #endif |
|---|
| 34 | sti ar3, *ar2++ |
|---|
| 35 | sti ar4, *ar2++ |
|---|
| 36 | sti ar5, *ar2++ |
|---|
| 37 | sti ar6, *ar2++ |
|---|
| 38 | sti ar7, *ar2++ |
|---|
| 39 | bd r1 |
|---|
| 40 | sti r1, *ar2++ |
|---|
| 41 | sti ar0, *ar2 |
|---|
| 42 | ldi 0, r0 |
|---|
| 43 | |
|---|
| 44 | |
|---|
| 45 | longjmp: |
|---|
| 46 | #ifndef _REGPARM |
|---|
| 47 | ldi sp, ar0 |
|---|
| 48 | ldi *-ar0(1), ar2 |
|---|
| 49 | ldi *-ar0(2), r0 |
|---|
| 50 | ldiz 1, r0 |
|---|
| 51 | #else |
|---|
| 52 | ldi r2, r0 |
|---|
| 53 | ldiz 1, r0 |
|---|
| 54 | #endif |
|---|
| 55 | |
|---|
| 56 | ldi *ar2++, r4 |
|---|
| 57 | ldi *ar2++, r5 |
|---|
| 58 | ldf *ar2++, r6 |
|---|
| 59 | ldf *ar2++, r7 |
|---|
| 60 | #ifdef _TMS320C4x |
|---|
| 61 | ldi *ar2++, r8 |
|---|
| 62 | #endif |
|---|
| 63 | ldi *ar2++, ar3 |
|---|
| 64 | ldi *ar2++, ar4 |
|---|
| 65 | ldi *ar2++, ar5 |
|---|
| 66 | ldi *ar2++, ar6 |
|---|
| 67 | ldi *ar2++, ar7 |
|---|
| 68 | ldi *ar2++, r1 |
|---|
| 69 | ldi *ar2, sp |
|---|
| 70 | |
|---|
| 71 | b r1 |
|---|
| 72 | .end |
|---|
| 73 | |
|---|
| 74 | |
|---|
| 75 | |
|---|
Note: See
TracBrowser
for help on using the repository browser.
