?? ide-cd-dma
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# 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.comIndex: ioemu/hw/ide.c===================================================================--- ioemu.orig/hw/ide.c 2007-05-03 15:07:16.000000000 +0100+++ ioemu/hw/ide.c 2007-05-03 15:07:16.000000000 +0100@@ -713,9 +713,9 @@ 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 */?? 快捷鍵說明
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