gwj / at91sam9263 · Commits

Commit 66201e2ddff787d7ddff123baa56661a95be7c4b

Authored by bellard
1 parent ec844b96

ide slave fixes (aka Win98 CD-ROM detection fix) 


git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@782 c046a42c-6fe2-441c-8c8c-71466251a162
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Showing 2 changed files with 8 additions and 7 deletions
Changelog
  View file @66201e2
... ... @@ -4,6 +4,7 @@ version 0.5.5:
4 4 - VGA support on PowerPC PREP
5 5 - VBE fixes (Matthew Mastracci)
6 6 - PIT fixes (aka Win98 hardware probe and timer bug)
  7 + - IDE master only fixes (aka Win98 CD-ROM probe bug)
7 8  
8 9 version 0.5.4:
9 10  
... ...
hw/ide.c
  View file @66201e2
... ... @@ -409,11 +409,6 @@ static void ide_atapi_identify(IDEState *s)
409 409 p = (uint16_t *)s->io_buffer;
410 410 /* Removable CDROM, 50us response, 12 byte packets */
411 411 put_le16(p + 0, (2 << 14) | (5 << 8) | (1 << 7) | (2 << 5) | (0 << 0));
412   - put_le16(p + 1, s->cylinders);
413   - put_le16(p + 3, s->heads);
414   - put_le16(p + 4, 512 * s->sectors); /* sectors */
415   - put_le16(p + 5, 512); /* sector size */
416   - put_le16(p + 6, s->sectors);
417 412 padstr((uint8_t *)(p + 10), "QM00001", 20); /* serial number */
418 413 put_le16(p + 20, 3); /* buffer type */
419 414 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)
1088 1083 printf("ide: CMD=%02x\n", val);
1089 1084 #endif
1090 1085 s = ide_if->cur_drive;
  1086 + /* ignore commands to non existant slave */
  1087 + if (s != ide_if && !s->bs)
  1088 + break;
1091 1089 switch(val) {
1092 1090 case WIN_IDENTIFY:
1093 1091 if (s->bs && !s->is_cdrom) {
... ... @@ -1254,7 +1252,8 @@ static uint32_t ide_ioport_read(void *opaque, uint32_t addr1)
1254 1252 break;
1255 1253 default:
1256 1254 case 7:
1257   - if (!ide_if[0].bs && !ide_if[1].bs)
  1255 + if ((!ide_if[0].bs && !ide_if[1].bs) ||
  1256 + (s != ide_if && !s->bs))
1258 1257 ret = 0;
1259 1258 else
1260 1259 ret = s->status;
... ... @@ -1273,7 +1272,8 @@ static uint32_t ide_status_read(void *opaque, uint32_t addr)
1273 1272 IDEState *s = ide_if->cur_drive;
1274 1273 int ret;
1275 1274  
1276   - if (!ide_if[0].bs && !ide_if[1].bs)
  1275 + if ((!ide_if[0].bs && !ide_if[1].bs) ||
  1276 + (s != ide_if && !s->bs))
1277 1277 ret = 0;
1278 1278 else
1279 1279 ret = s->status;
... ...