haraldwolff/qemu-patch-raspberry4
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no need to use LARGE translation

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git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@1120 c046a42c-6fe2-441c-8c8c-71466251a162
This commit is contained in:
bellard 2004-10-12 21:50:05 +00:00
parent f3ff649d3b
commit 40b6ecc6bc
1 changed files with 7 additions and 7 deletions
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14
hw/pc.c
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@ -215,25 +215,25 @@ static void cmos_init(int ram_size, int boot_device, BlockDriverState **hd_table
cmos_init_hd(0x1a, 0x24, hd_table[1]);
val = 0;
for (i = 0; i < 4; i++)
for (i = 0; i < 4; i++) {
if (hd_table[i]) {
int cylinders, heads, sectors;
uint8_t translation;
/* NOTE: bdrv_get_geometry_hint() returns the geometry
that the hard disk returns. It is always such that: 1 <=
sects <= 63, 1 <= heads <= 16, 1 <= cylinders <=
16383. The BIOS geometry can be different. */
bdrv_get_geometry_hint(hd_table[i], &cylinders, &heads, &sectors);
if (cylinders <= 1024 && heads <= 16 && sectors <= 63) {
/* No translation. */
translation = 0;
} else if (cylinders * heads > 131072) {
} else {
/* LBA translation. */
translation = 1;
} else {
/* LARGE translation. */
translation = 2;
}
val |= translation << (i * 2);
}
}
rtc_set_memory(s, 0x39, val);
/* Disable check of 0x55AA signature on the last two bytes of