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fixed invalid command test 

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@721 c046a42c-6fe2-441c-8c8c-71466251a162
This commit is contained in:
bellard 2004-04-12 19:07:27 +00:00
parent 2f0c934ef9
commit df475d18d8
1 changed files with 3 additions and 7 deletions
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10
hw/dma.c
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@ -168,9 +168,9 @@ static void write_cont (void *opaque, uint32_t nport, uint32_t data)
iport = (nport >> d->dshift) & 0x0f;
switch (iport) {
case 8: /* command */
if (data && (data | CMD_NOT_SUPPORTED)) {
if ((data != 0) && (data & CMD_NOT_SUPPORTED)) {
log ("command %#x not supported\n", data);
goto error;
return;
}
d->command = data;
break;
@ -236,7 +236,7 @@ static void write_cont (void *opaque, uint32_t nport, uint32_t data)
default:
log ("dma: unknown iport %#x\n", iport);
goto error;
break;
}
#ifdef DEBUG_DMA
@ -245,10 +245,6 @@ static void write_cont (void *opaque, uint32_t nport, uint32_t data)
nport, ichan, data);
}
#endif
return;
error:
abort ();
}
static uint32_t read_cont (void *opaque, uint32_t nport)