diff options
| author | bellard <bellard@c046a42c-6fe2-441c-8c8c-71466251a162> | 2004-01-22 23:52:27 +0000 |
|---|---|---|
| committer | bellard <bellard@c046a42c-6fe2-441c-8c8c-71466251a162> | 2004-01-22 23:52:27 +0000 |
| commit | a136e5a8b176bfd3ba687769ed999c55782f2584 (patch) | |
| tree | c4b8c04a76be363a6132a9559ea82639b78bc048 /hw/ide.c | |
| parent | 4796f5e9bc5efc46d0149bae57b530afd26ff65d (diff) | |
ATAPI transfer size fix (NetBSD CDROM access fix) - added WIN_CHECKPOWERMODE1 - set error to zero in some cases
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@574 c046a42c-6fe2-441c-8c8c-71466251a162
Diffstat (limited to 'hw/ide.c')
| -rw-r--r-- | hw/ide.c | 14 |
1 files changed, 11 insertions, 3 deletions
@@ -550,6 +550,7 @@ static void ide_sector_read(IDEState *s) int ret, n; s->status = READY_STAT | SEEK_STAT; + s->error = 0; /* not needed by IDE spec, but needed by Windows */ sector_num = ide_get_sector(s); n = s->nsector; if (n == 0) { @@ -694,10 +695,9 @@ static void ide_atapi_cmd_reply_end(IDEState *s) if (byte_count_limit & 1) byte_count_limit--; size = byte_count_limit; - } else { - s->lcyl = size; - s->hcyl = size >> 8; } + s->lcyl = size; + s->hcyl = size >> 8; s->elementary_transfer_size = size; /* we cannot transmit more than one sector at a time */ if (s->lba != -1) { @@ -1106,6 +1106,7 @@ static void ide_ioport_write(CPUState *env, uint32_t addr, uint32_t val) break; case WIN_SPECIFY: case WIN_RECAL: + s->error = 0; s->status = READY_STAT; ide_set_irq(s); break; @@ -1135,6 +1136,7 @@ static void ide_ioport_write(CPUState *env, uint32_t addr, uint32_t val) break; case WIN_WRITE: case WIN_WRITE_ONCE: + s->error = 0; s->status = SEEK_STAT; s->req_nb_sectors = 1; ide_transfer_start(s, s->io_buffer, 512, ide_sector_write); @@ -1148,6 +1150,7 @@ static void ide_ioport_write(CPUState *env, uint32_t addr, uint32_t val) case WIN_MULTWRITE: if (!s->mult_sectors) goto abort_cmd; + s->error = 0; s->status = SEEK_STAT; s->req_nb_sectors = s->mult_sectors; n = s->nsector; @@ -1160,6 +1163,11 @@ static void ide_ioport_write(CPUState *env, uint32_t addr, uint32_t val) s->status = READY_STAT; ide_set_irq(s); break; + case WIN_CHECKPOWERMODE1: + s->nsector = 0xff; /* device active or idle */ + s->status = READY_STAT; + ide_set_irq(s); + break; /* ATAPI commands */ case WIN_PIDENTIFY: |