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sh2 drc, add detection for in-memory polling

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This commit is contained in:
kub 2019-05-02 23:16:55 +02:00
parent 213b7f42c1
commit 397ccdc6cf
9 changed files with 224 additions and 113 deletions
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6
pico/32x/sh2soc.c
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@ -138,6 +138,7 @@ static void dmac_trigger(SH2 *sh2, struct dma_chan *chan)
if (chan->chcr & DMA_AR) {
// auto-request transfer
sh2->state |= SH2_STATE_SLEEP;
while ((int)chan->tcr > 0)
dmac_transfer_one(sh2, chan);
dmac_transfer_complete(sh2, chan);
@ -237,6 +238,7 @@ u32 REGPARM(2) sh2_peripheral_read8(u32 a, SH2 *sh2)
a &= 0x1ff;
d = PREG8(r, a);
sh2->poll_cnt = 0;
elprintf_sh2(sh2, EL_32XP, "peri r8 [%08x] %02x @%06x",
a | ~0x1ff, d, sh2_pc(sh2));
return d;
@ -250,6 +252,7 @@ u32 REGPARM(2) sh2_peripheral_read16(u32 a, SH2 *sh2)
a &= 0x1fe;
d = r[(a / 2) ^ 1];
sh2->poll_cnt = 0;
elprintf_sh2(sh2, EL_32XP, "peri r16 [%08x] %04x @%06x",
a | ~0x1ff, d, sh2_pc(sh2));
return d;
@ -258,9 +261,11 @@ u32 REGPARM(2) sh2_peripheral_read16(u32 a, SH2 *sh2)
u32 REGPARM(2) sh2_peripheral_read32(u32 a, SH2 *sh2)
{
u32 d;
a &= 0x1fc;
d = sh2->peri_regs[a / 4];
sh2->poll_cnt = 0;
elprintf_sh2(sh2, EL_32XP, "peri r32 [%08x] %08x @%06x",
a | ~0x1ff, d, sh2_pc(sh2));
return d;
@ -472,6 +477,7 @@ static void dreq1_do(SH2 *sh2, struct dma_chan *chan)
if ((chan->dar & ~0xf) != 0x20004030)
elprintf(EL_32XP|EL_ANOMALY, "dreq1: bad dar?: %08x\n", chan->dar);
sh2->state |= SH2_STATE_SLEEP;
dmac_transfer_one(sh2, chan);
if (chan->tcr == 0)
dmac_transfer_complete(sh2, chan);