Hi,
hvmloader->rombios use C/H/S, LBA when have been set by qemu.
Signed-off-by: Zhenzhong Duan <zhenzhong.duan@xxxxxxxxxx>
Signed-off-by: Joe Jin <joe.jin@xxxxxxxxxx>
---
rombios.c | 7 ++++---
1 file changed, 4 insertions(+), 3 deletions(-)
diff -r 3263d0ff9476 tools/firmware/rombios/rombios.c
--- a/tools/firmware/rombios/rombios.c Thu Jul 29 16:53:40 2010 +0100
+++ b/tools/firmware/rombios/rombios.c Fri Aug 06 07:09:45 2010 +0800
@@ -2738,8 +2738,7 @@
case ATA_TRANSLATION_NONE:
break;
case ATA_TRANSLATION_LBA:
- spt = 63;
- sectors_low /= 63;
+ sectors_low /= spt;
heads = sectors_low / 1024;
if (heads>128) heads = 255;
else if (heads>64) heads = 128;
@@ -5440,6 +5439,7 @@
Bit16u npc, nph, npspt, nlc, nlh, nlspt;
Bit16u size, count;
Bit8u device, status;
+ Bit8u translation;
BX_DEBUG_INT13_HD("int13_harddisk: AX=%04x BX=%04x CX=%04x DX=%04x
ES=%04x\n", AX, BX, CX, DX, ES);
@@ -5509,9 +5509,10 @@
nph = read_word(ebda_seg, &EbdaData->ata.devices[device].pchs.heads);
npspt = read_word(ebda_seg, &EbdaData->ata.devices[device].pchs.spt);
+ translation =
read_byte(ebda_seg,&EbdaData->ata.devices[device].translation);
// if needed, translate lchs to lba, and execute command
- if ( (nph != nlh) || (npspt != nlspt)) {
+ if ( (nph != nlh) || (npspt != nlspt) || (translation ==
ATA_TRANSLATION_LBA)) {
lba_low = ((((Bit32u)cylinder * (Bit32u)nlh) + (Bit32u)head) *
(Bit32u)nlspt) + (Bit32u)sector - 1;
lba_high = 0;
sector = 0; // this forces the command to be lba
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