mirror of
https://github.com/autc04/Retro68.git
synced 2024-12-11 03:52:59 +00:00
76 lines
1.4 KiB
ArmAsm
76 lines
1.4 KiB
ArmAsm
/* setjmp/longjmp routines.
|
|
*
|
|
* Written by Michael Hayes <m.hayes@elec.canterbury.ac.nz>.
|
|
*
|
|
* The author hereby grant permission to use, copy, modify, distribute,
|
|
* and license this software and its documentation for any purpose, provided
|
|
* that existing copyright notices are retained in all copies and that this
|
|
* notice is included verbatim in any distributions. No written agreement,
|
|
* license, or royalty fee is required for any of the authorized uses.
|
|
* Modifications to this software may be copyrighted by their authors
|
|
* and need not follow the licensing terms described here, provided that
|
|
* the new terms are clearly indicated on the first page of each file where
|
|
* they apply.
|
|
*/
|
|
|
|
.sect .text
|
|
.global setjmp
|
|
.global longjmp
|
|
|
|
setjmp:
|
|
pop r1
|
|
ldi sp, ar0
|
|
#ifndef _REGPARM
|
|
ldi *ar0, ar2
|
|
#endif
|
|
|
|
sti r4, *ar2++
|
|
sti r5, *ar2++
|
|
stf r6, *ar2++
|
|
stf r7, *ar2++
|
|
#ifdef _TMS320C4x
|
|
sti r8, *ar2++
|
|
#endif
|
|
sti ar3, *ar2++
|
|
sti ar4, *ar2++
|
|
sti ar5, *ar2++
|
|
sti ar6, *ar2++
|
|
sti ar7, *ar2++
|
|
bd r1
|
|
sti r1, *ar2++
|
|
sti ar0, *ar2
|
|
ldi 0, r0
|
|
|
|
|
|
longjmp:
|
|
#ifndef _REGPARM
|
|
ldi sp, ar0
|
|
ldi *-ar0(1), ar2
|
|
ldi *-ar0(2), r0
|
|
ldiz 1, r0
|
|
#else
|
|
ldi r2, r0
|
|
ldiz 1, r0
|
|
#endif
|
|
|
|
ldi *ar2++, r4
|
|
ldi *ar2++, r5
|
|
ldf *ar2++, r6
|
|
ldf *ar2++, r7
|
|
#ifdef _TMS320C4x
|
|
ldi *ar2++, r8
|
|
#endif
|
|
ldi *ar2++, ar3
|
|
ldi *ar2++, ar4
|
|
ldi *ar2++, ar5
|
|
ldi *ar2++, ar6
|
|
ldi *ar2++, ar7
|
|
ldi *ar2++, r1
|
|
ldi *ar2, sp
|
|
|
|
b r1
|
|
.end
|
|
|
|
|
|
|