diff options
Diffstat (limited to 'tools/ioemu/patches/ide-cd-dma')
| -rw-r--r-- | tools/ioemu/patches/ide-cd-dma | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/tools/ioemu/patches/ide-cd-dma b/tools/ioemu/patches/ide-cd-dma new file mode 100644 index 0000000000..d7ed5cab06 --- /dev/null +++ b/tools/ioemu/patches/ide-cd-dma @@ -0,0 +1,21 @@ +# HG changeset patch +# User kfraser@localhost.localdomain +# Node ID 1e8ba8d2117548d4f13b7b438d1e992b1815f580 +# Parent f247e0b52dda257c0000c9da5a0cdff507b3ced8 +[HVM] Enable DMA mode for CD-ROM IDE ATAPI interface. +Signed-off-by: Winston Wang <winston.l.wang@intel.com + +--- ioemu/hw/ide.c Wed Oct 18 18:37:18 2006 +0100 ++++ ioemu/hw/ide.c Wed Oct 18 18:41:47 2006 +0100 +@@ -557,9 +557,9 @@ static void ide_atapi_identify(IDEState + padstr((uint8_t *)(p + 23), QEMU_VERSION, 8); /* firmware version */ + padstr((uint8_t *)(p + 27), "QEMU CD-ROM", 40); /* model */ + put_le16(p + 48, 1); /* dword I/O (XXX: should not be set on CDROM) */ +- put_le16(p + 49, 1 << 9); /* LBA supported, no DMA */ ++ put_le16(p + 49, (1 << 11) | (1 << 9) | (1 << 8)); /* DMA and LBA supported */ + put_le16(p + 53, 3); /* words 64-70, 54-58 valid */ +- put_le16(p + 63, 0x103); /* DMA modes XXX: may be incorrect */ ++ put_le16(p + 63, 0x07); /* mdma0-2 supported */ + put_le16(p + 64, 1); /* PIO modes */ + put_le16(p + 65, 0xb4); /* minimum DMA multiword tx cycle time */ + put_le16(p + 66, 0xb4); /* recommended DMA multiword tx cycle time */ |