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| author | Keir Fraser <keir.fraser@citrix.com> | 2008-10-30 13:27:07 +0000 |
|---|---|---|
| committer | Keir Fraser <keir.fraser@citrix.com> | 2008-10-30 13:27:07 +0000 |
| commit | 8805df3883fdb682e1af358ca448caff10585f57 (patch) | |
| tree | ceb390b691f9368ca3d756c02840c9475f61978a /tools/firmware/rombios | |
| parent | 9c55c2edfddb850a4e938eb45b32729b8f1e8ce9 (diff) | |
| download | xen-8805df3883fdb682e1af358ca448caff10585f57.tar.gz xen-8805df3883fdb682e1af358ca448caff10585f57.tar.bz2 xen-8805df3883fdb682e1af358ca448caff10585f57.zip | |
rombios: fix int13h for floppy disk
A floppy on HVM can't be read correctly.
This fix is taken from upstream bochs-2.3.7.
Signed-off-by: Kouya Shimura <kouya@jp.fujitsu.com>
Diffstat (limited to 'tools/firmware/rombios')
| -rw-r--r-- | tools/firmware/rombios/rombios.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/tools/firmware/rombios/rombios.c b/tools/firmware/rombios/rombios.c index 547d5cff87..0edd371765 100644 --- a/tools/firmware/rombios/rombios.c +++ b/tools/firmware/rombios/rombios.c @@ -7216,7 +7216,7 @@ BX_INFO("floppy: drive>1 || head>1 ...\n"); outb(0x03f5, head); outb(0x03f5, sector); outb(0x03f5, 2); // 512 byte sector size - outb(0x03f5, 0); // last sector number possible on track + outb(0x03f5, sector + num_sectors - 1); // last sector to read on track outb(0x03f5, 0); // Gap length outb(0x03f5, 0xff); // Gap length @@ -7364,7 +7364,7 @@ BX_INFO("floppy: drive>1 || head>1 ...\n"); outb(0x03f5, head); outb(0x03f5, sector); outb(0x03f5, 2); // 512 byte sector size - outb(0x03f5, 0); // last sector number possible on track + outb(0x03f5, sector + num_sectors - 1); // last sector to write on track outb(0x03f5, 0); // Gap length outb(0x03f5, 0xff); // Gap length |