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selfboot: Allow loading SeaBIOS into a reserved region in the lower 1MB 

This fixes loading SeaBIOS when lower memory is reserved.

Change-Id: Idbdcaf95f3307f97307f304d6d677406d059927d
Signed-off-by: Stefan Reinauer <reinauer@google.com>
Reviewed-on: http://review.coreboot.org/732
Tested-by: build bot (Jenkins)
Reviewed-by: Ronald G. Minnich <rminnich@gmail.com>
This commit is contained in:
Stefan Reinauer 2011-10-18 15:11:04 -07:00 committed by Stefan Reinauer
parent e246b31121
commit 9ec8ed8a40
1 changed files with 5 additions and 0 deletions
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5
src/boot/selfboot.c
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@ -146,6 +146,11 @@ static int valid_area(struct lb_memory *mem, unsigned long buffer,
} }
} }
if (i == mem_entries) { if (i == mem_entries) {
if (start < (1024*1024) && end <=(1024*1024)) {
printk(BIOS_DEBUG, "Payload (probably SeaBIOS) loaded"
" into a reserved area in the lower 1MB\n");
return 1;
}
printk(BIOS_ERR, "No matching ram area found for range:\n"); printk(BIOS_ERR, "No matching ram area found for range:\n");
printk(BIOS_ERR, " [0x%016lx, 0x%016lx)\n", start, end); printk(BIOS_ERR, " [0x%016lx, 0x%016lx)\n", start, end);
printk(BIOS_ERR, "Ram areas\n"); printk(BIOS_ERR, "Ram areas\n");