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32x: drc: inline dispatcher and irq handling; do write-caused irqs

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git-svn-id: file:///home/notaz/opt/svn/PicoDrive@849 be3aeb3a-fb24-0410-a615-afba39da0efa
This commit is contained in:
notaz 2009-12-29 22:43:10 +00:00
parent efd100fc0a
commit e05b81fc5b
10 changed files with 535 additions and 246 deletions
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15
pico/32x/32x.c
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@ -4,10 +4,19 @@
struct Pico32x Pico32x;
SH2 sh2s[2];
static void sh2_irq_cb(int id, int level)
static int REGPARM(2) sh2_irq_cb(SH2 *sh2, int level)
{
// diagnostic for now
elprintf(EL_32X, "%csh2 ack %d @ %08x", id ? 's' : 'm', level, sh2_pc(id));
if (sh2->pending_irl > sh2->pending_int_irq) {
elprintf(EL_32X, "%csh2 ack/irl %d @ %08x",
sh2->is_slave ? 's' : 'm', level, sh2->pc);
return 64 + sh2->pending_irl / 2;
} else {
elprintf(EL_32X, "%csh2 ack/int %d/%d @ %08x",
sh2->is_slave ? 's' : 'm', level, sh2->pending_int_vector, sh2->pc);
sh2->pending_int_irq = 0; // auto-clear
sh2->pending_level = sh2->pending_irl;
return sh2->pending_int_vector;
}
}
void p32x_update_irls(void)