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/*
* this is the internal transfer function.
*
* HISTORY
* 2014-01-06 Andreas Schwab <schwab@linux-m68k.org>
* File created.
*/
#ifdef SLP_EVAL
#define STACK_MAGIC 0
#define REGS_TO_SAVE "%d2", "%d3", "%d4", "%d5", "%d6", "%d7", \
"%a2", "%a3", "%a4"
static int
slp_switch(void)
{
int *stackref, stsizediff;
void *fp, *a5;
__asm__ volatile ("" : : : REGS_TO_SAVE);
__asm__ volatile ("move.l %%fp, %0" : "=m"(fp));
__asm__ volatile ("move.l %%a5, %0" : "=m"(a5));
__asm__ ("move.l %%sp, %0" : "=r"(stackref));
{
SLP_SAVE_STATE(stackref, stsizediff);
__asm__ volatile ("add.l %0, %%sp; add.l %0, %%fp" : : "r"(stsizediff));
SLP_RESTORE_STATE();
}
__asm__ volatile ("move.l %0, %%a5" : : "m"(a5));
__asm__ volatile ("move.l %0, %%fp" : : "m"(fp));
__asm__ volatile ("" : : : REGS_TO_SAVE);
return 0;
}
#endif
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