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-rw-r--r--hw/pc.c19
1 files changed, 4 insertions, 15 deletions
diff --git a/hw/pc.c b/hw/pc.c
index 77b12b4c11..598267af89 100644
--- a/hw/pc.c
+++ b/hw/pc.c
@@ -290,7 +290,7 @@ static void pc_cmos_init_late(void *opaque)
int16_t cylinders;
int8_t heads, sectors;
int val;
- int i;
+ int i, trans;
val = 0;
if (ide_get_geometry(arg->idebus[0], 0,
@@ -313,20 +313,9 @@ static void pc_cmos_init_late(void *opaque)
geometry can be different if a translation is done. */
if (ide_get_geometry(arg->idebus[i / 2], i % 2,
&cylinders, &heads, &sectors) >= 0) {
- int translation = ide_get_bios_chs_trans(arg->idebus[i / 2],
- i % 2);
- if (translation == BIOS_ATA_TRANSLATION_AUTO) {
- if (cylinders <= 1024 && heads <= 16 && sectors <= 63) {
- /* No translation. */
- translation = 0;
- } else {
- /* LBA translation. */
- translation = 1;
- }
- } else {
- translation--;
- }
- val |= translation << (i * 2);
+ trans = ide_get_bios_chs_trans(arg->idebus[i / 2], i % 2) - 1;
+ assert((trans & ~3) == 0);
+ val |= trans << (i * 2);
}
}
rtc_set_memory(s, 0x39, val);