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full ym2612 save/load for 940

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git-svn-id: file:///home/notaz/opt/svn/PicoDrive@495 be3aeb3a-fb24-0410-a615-afba39da0efa
This commit is contained in:
notaz 2008-06-25 21:53:53 +00:00
parent eaa9417a9b
commit e4fb433cd6
8 changed files with 126 additions and 41 deletions
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21
platform/gp2x/code940/memcpy.s
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@ -36,33 +36,23 @@
* POSSIBILITY OF SUCH DAMAGE.
*/
/* This was modified by Jay Monkman <jmonkman@smoothsmoothie.com> to
* save and restore r12. This is necessary for RTEMS.
*/
/* #include <machine/asm.h>*/
#define ENTRY(_LABEL) \
.global _LABEL; _LABEL:
.globl memcpy
.globl _memcpy
memcpy:
@ ENTRY(gp2x_memcpy)
stmfd sp!, {r0, r12, lr}
@ bl _gp2x_memcpy
stmfd sp!, {r0, lr}
bl _memcpy
ldmfd sp!, {r0, r12, pc}
ldmfd sp!, {r0, pc}
.globl memmove
memmove:
@ ENTRY(gp2x_memmove)
stmfd sp!, {r0, r12, lr}
@ bl _gp2x_memcpy
stmfd sp!, {r0, lr}
bl _memcpy
ldmfd sp!, {r0, r12, pc}
ldmfd sp!, {r0, pc}
@ -101,7 +91,6 @@ ldmfd sp!, {r0, r12, pc}
_memcpy:
@ ENTRY(_gp2x_memcpy)
/* Determine copy direction */
cmp r1, r0
bcc Lmemcpy_backwards