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fixed hex numbers and clobber registers in inline asm statements

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Markus Fröschle
2013-04-19 06:10:25 +00:00
parent 143ad622a3
commit a9c85a1e94
1 changed files with 7 additions and 6 deletions
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13
sources/interrupts.c
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@@ -41,11 +41,12 @@ register_handler(uint8_t priority, uint8_t intr, void (*func)())
// Make sure priority level is high, before changing registers // Make sure priority level is high, before changing registers
__asm__ volatile ( __asm__ volatile (
"move.w %%sr,-(%%sp)\n\t" \ "move.w sr,d0\n\t" \
"move.w #$2700,%%sr\n\t" \ "move.w d0,-(sp) \n\t" \
: \ "move.w #0x2700,sr\n\t" \
: \ : \
: \ : \
: "d0","memory" \
); );
if( intr < 32 ) if( intr < 32 )
@@ -58,11 +59,11 @@ register_handler(uint8_t priority, uint8_t intr, void (*func)())
// Return the saved priority level // Return the saved priority level
__asm__ volatile ( __asm__ volatile (
"move.w (%%sp)+,%%d2\n\t" \ "move.w (sp)+,d2\n\t" \
"move.w %%d2,%%sr\n\t" "move.w d2,sr\n\t"
: \
: \ : \
: \ : \
: "d2","memory" \
); );
return 0; return 0;