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| author | David du Colombier <0intro@gmail.com> | 2013-12-25 15:17:43 +0100 |
|---|---|---|
| committer | Michael Tokarev <mjt@tls.msk.ru> | 2014-01-15 23:34:17 +0400 |
| commit | 850484a295a856474978d9338b8c17eb8e00f549 (patch) | |
| tree | 6ca195dcaa795baa0282a1d6bb124b13a27426af /hw/ide | |
| parent | e6baf6130ef26f32a45e0282bd4720913a1ff472 (diff) | |
| download | focaccia-qemu-850484a295a856474978d9338b8c17eb8e00f549.tar.gz focaccia-qemu-850484a295a856474978d9338b8c17eb8e00f549.zip | |
ide: cmd_exec_dev_diagnostic() always set error register to 0x01
This notably fix IDE CD probing on the Plan 9 operating system, which rely on the error register set by the Execute Device Diagnostic command to detect drive configurations. Thanks to Rémi Pommarel for reporting this issue. Signed-off-by: David du Colombier <0intro@gmail.com> Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
Diffstat (limited to 'hw/ide')
| -rw-r--r-- | hw/ide/core.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/hw/ide/core.c b/hw/ide/core.c index e1f4c33fb8..7783d58291 100644 --- a/hw/ide/core.c +++ b/hw/ide/core.c @@ -1321,6 +1321,7 @@ static bool cmd_exec_dev_diagnostic(IDEState *s, uint8_t cmd) s->status = 0; /* ATAPI spec (v6) section 9.10 defines packet * devices to return a clear status register * with READY_STAT *not* set. */ + s->error = 0x01; } else { s->status = READY_STAT | SEEK_STAT; /* The bits of the error register are not as usual for this command! |