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-rw-r--r--Changelog1
-rw-r--r--hw/ide.c14
2 files changed, 8 insertions, 7 deletions
diff --git a/Changelog b/Changelog
index ca6d0e66fc..86d9d92773 100644
--- a/Changelog
+++ b/Changelog
@@ -4,6 +4,7 @@ version 0.5.5:
- VGA support on PowerPC PREP
- VBE fixes (Matthew Mastracci)
- PIT fixes (aka Win98 hardware probe and timer bug)
+ - IDE master only fixes (aka Win98 CD-ROM probe bug)
version 0.5.4:
diff --git a/hw/ide.c b/hw/ide.c
index 9bd32e097f..6c92bedbbd 100644
--- a/hw/ide.c
+++ b/hw/ide.c
@@ -409,11 +409,6 @@ static void ide_atapi_identify(IDEState *s)
p = (uint16_t *)s->io_buffer;
/* Removable CDROM, 50us response, 12 byte packets */
put_le16(p + 0, (2 << 14) | (5 << 8) | (1 << 7) | (2 << 5) | (0 << 0));
- put_le16(p + 1, s->cylinders);
- put_le16(p + 3, s->heads);
- put_le16(p + 4, 512 * s->sectors); /* sectors */
- put_le16(p + 5, 512); /* sector size */
- put_le16(p + 6, s->sectors);
padstr((uint8_t *)(p + 10), "QM00001", 20); /* serial number */
put_le16(p + 20, 3); /* buffer type */
put_le16(p + 21, 512); /* cache size in sectors */
@@ -1088,6 +1083,9 @@ static void ide_ioport_write(void *opaque, uint32_t addr, uint32_t val)
printf("ide: CMD=%02x\n", val);
#endif
s = ide_if->cur_drive;
+ /* ignore commands to non existant slave */
+ if (s != ide_if && !s->bs)
+ break;
switch(val) {
case WIN_IDENTIFY:
if (s->bs && !s->is_cdrom) {
@@ -1254,7 +1252,8 @@ static uint32_t ide_ioport_read(void *opaque, uint32_t addr1)
break;
default:
case 7:
- if (!ide_if[0].bs && !ide_if[1].bs)
+ if ((!ide_if[0].bs && !ide_if[1].bs) ||
+ (s != ide_if && !s->bs))
ret = 0;
else
ret = s->status;
@@ -1273,7 +1272,8 @@ static uint32_t ide_status_read(void *opaque, uint32_t addr)
IDEState *s = ide_if->cur_drive;
int ret;
- if (!ide_if[0].bs && !ide_if[1].bs)
+ if ((!ide_if[0].bs && !ide_if[1].bs) ||
+ (s != ide_if && !s->bs))
ret = 0;
else
ret = s->status;