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ES1370 word sized read fix (aka Win9x bug) (malc) 

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@1613 c046a42c-6fe2-441c-8c8c-71466251a162
This commit is contained in:
bellard 2005-11-11 00:00:09 +00:00
parent a0d01ed9ea
commit 946fc94733
1 changed files with 35 additions and 3 deletions
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38
hw/es1370.c
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@ -249,7 +249,7 @@ static void print_sctl (uint32_t val)
#endif
#ifndef SILENT_ES1370
#define lwarn(...) AUD_log ("es1370: warning:", __VA_ARGS__)
#define lwarn(...) AUD_log ("es1370: warning", __VA_ARGS__)
#else
#define lwarn(...)
#endif
@ -590,6 +590,13 @@ IO_WRITE_PROTO (es1370_writel)
ldebug ("chan %d frame address %#x\n", d - &s->chan[0], val);
break;
case ES1370_REG_PHANTOM_FRAMECNT:
lwarn ("writing to phantom frame count %#x\n", val);
break;
case ES1370_REG_PHANTOM_FRAMEADR:
lwarn ("writing to phantom frame address %#x\n", val);
break;
case ES1370_REG_ADC_FRAMECNT:
d++;
case ES1370_REG_DAC2_FRAMECNT:
@ -659,6 +666,22 @@ IO_READ_PROTO (es1370_readw)
val = d->scount >> 16;
break;
case ES1370_REG_ADC_FRAMECNT:
d++;
case ES1370_REG_DAC2_FRAMECNT:
d++;
case ES1370_REG_DAC1_FRAMECNT:
val = d->frame_cnt & 0xffff;
break;
case ES1370_REG_ADC_FRAMECNT + 2:
d++;
case ES1370_REG_DAC2_FRAMECNT + 2:
d++;
case ES1370_REG_DAC1_FRAMECNT + 2:
val = d->frame_cnt >> 16;
break;
default:
val = ~0;
lwarn ("readw %#x -> %#x\n", addr, val);
@ -736,6 +759,15 @@ IO_READ_PROTO (es1370_readl)
val = d->frame_addr;
break;
case ES1370_REG_PHANTOM_FRAMECNT:
val = ~0U;
lwarn ("reading from phantom frame count\n");
break;
case ES1370_REG_PHANTOM_FRAMEADR:
val = ~0U;
lwarn ("reading from phantom frame address\n");
break;
default:
val = ~0U;
lwarn ("readl %#x -> %#x\n", addr, val);
@ -812,7 +844,7 @@ static void es1370_transfer_audio (ES1370State *s, struct chan *d, int loop_sel,
if (s->sctl & loop_sel) {
/* Bah, how stupid is that having a 0 represent true value?
i just spent few hours on this shit */
lwarn ("whoops non looping mode\n");
AUD_log ("es1370: warning", "non looping mode\n");
}
else {
d->frame_cnt = size;
@ -983,7 +1015,7 @@ int es1370_init (PCIBus *bus, AudioState *audio)
-1, NULL, NULL);
if (!d) {
fprintf (stderr, "Failed to register PCI device for ES1370\n");
AUD_log (NULL, "Failed to register PCI device for ES1370\n");
return -1;
}