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MACH, MACL and SR are no longer part of the SH1 thread context

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git-svn-id: svn://svn.rockbox.org/rockbox/trunk@5268 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Linus Nielsen Feltzing 2004-10-13 11:32:26 +00:00
parent b03ff1e172
commit 5e54aa956f
1 changed files with 1 additions and 11 deletions
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12
firmware/thread.c
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@ -26,9 +26,6 @@ struct regs
{
unsigned int r[7]; /* Registers r8 thru r14 */
void *sp; /* Stack pointer (r15) */
unsigned int mach;
unsigned int macl;
unsigned int sr; /* Status register */
void* pr; /* Procedure register */
};
@ -52,11 +49,8 @@ void switch_thread(void) __attribute__ ((section(".icode")));
*/
static inline void store_context(void* addr)
{
asm volatile ("add #48, %0\n\t"
asm volatile ("add #36, %0\n\t"
"sts.l pr, @-%0\n\t"
"stc.l sr, @-%0\n\t"
"sts.l macl,@-%0\n\t"
"sts.l mach,@-%0\n\t"
"mov.l r15, @-%0\n\t"
"mov.l r14, @-%0\n\t"
"mov.l r13, @-%0\n\t"
@ -81,9 +75,6 @@ static inline void load_context(const void* addr)
"mov.l @%0+,r13\n\t"
"mov.l @%0+,r14\n\t"
"mov.l @%0+,r15\n\t"
"lds.l @%0+,mach\n\t"
"lds.l @%0+,macl\n\t"
"ldc.l @%0+,sr\n\t"
"mov.l @%0,%0\n\t"
"lds %0,pr\n\t"
"mov.l %0, @(0, r15)" : "+r" (addr));
@ -170,7 +161,6 @@ int create_thread(void* function, void* stack, int stack_size,
/* Subtract 4 to leave room for the PR push in load_context()
Align it on an even 32 bit boundary */
regs->sp = (void*)(((unsigned int)stack + stack_size - 4) & ~3);
regs->sr = 0;
regs->pr = function;
wake_up_thread();