From 3f76a7c3815716d21b9932b892825309bf477ee8 Mon Sep 17 00:00:00 2001 From: Markus Armbruster Date: Tue, 6 Sep 2011 18:58:34 +0200 Subject: [PATCH] ide: Fix ATA command READ to set ATAPI signature for CD-ROM Must set the ATAPI device signature, see ATA4 8.27.5.2 Outputs for PACKET Command feature set devices, and ACS-2 7.36.6 Outputs for PACKET feature set devices. Signed-off-by: Markus Armbruster Signed-off-by: Kevin Wolf --- hw/ide/core.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/hw/ide/core.c b/hw/ide/core.c index 1806e008bc..def01266d0 100644 --- a/hw/ide/core.c +++ b/hw/ide/core.c @@ -983,8 +983,10 @@ void ide_exec_cmd(IDEBus *bus, uint32_t val) lba48 = 1; case WIN_READ: case WIN_READ_ONCE: - if (!s->bs) + if (s->drive_kind == IDE_CD) { + ide_set_signature(s); /* odd, but ATA4 8.27.5.2 requires it */ goto abort_cmd; + } ide_cmd_lba48_transform(s, lba48); s->req_nb_sectors = 1; ide_sector_read(s); -- 2.42.0