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IDE standby fix for Linux 2.6 guest - segfault fix 

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@1111 c046a42c-6fe2-441c-8c8c-71466251a162
master
bellard 2004-10-09 20:27:55 +00:00
parent 7fe48483cd
commit a7dfe172fa
1 changed files with 18 additions and 0 deletions
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18
hw/ide.c
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@ -1567,6 +1567,10 @@ static void ide_ioport_write(void *opaque, uint32_t addr, uint32_t val)
goto abort_cmd;
}
break;
case WIN_STANDBYNOW1:
s->status = READY_STAT;
ide_set_irq(s);
break;
/* ATAPI commands */
case WIN_PIDENTIFY:
if (s->is_cdrom) {
@ -1784,6 +1788,16 @@ static uint32_t ide_data_readl(void *opaque, uint32_t addr)
return ret;
}
static void ide_dummy_transfer_stop(IDEState *s)
{
s->data_ptr = s->io_buffer;
s->data_end = s->io_buffer;
s->io_buffer[0] = 0xff;
s->io_buffer[1] = 0xff;
s->io_buffer[2] = 0xff;
s->io_buffer[3] = 0xff;
}
static void ide_reset(IDEState *s)
{
s->mult_sectors = MAX_MULT_SECTORS;
@ -1791,6 +1805,10 @@ static void ide_reset(IDEState *s)
s->select = 0xa0;
s->status = READY_STAT;
ide_set_signature(s);
/* init the transfer handler so that 0xffff is returned on data
accesses */
s->end_transfer_func = ide_dummy_transfer_stop;
ide_dummy_transfer_stop(s);
}
struct partition {