From 9ec8ed8a40c5c5aff8053693dd2ecd403034605b Mon Sep 17 00:00:00 2001 From: Stefan Reinauer Date: Tue, 18 Oct 2011 15:11:04 -0700 Subject: 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 Reviewed-on: http://review.coreboot.org/732 Tested-by: build bot (Jenkins) Reviewed-by: Ronald G. Minnich --- src/boot/selfboot.c | 5 +++++ 1 file changed, 5 insertions(+) (limited to 'src') diff --git a/src/boot/selfboot.c b/src/boot/selfboot.c index 99b1493ed7..67603f07db 100644 --- a/src/boot/selfboot.c +++ b/src/boot/selfboot.c @@ -146,6 +146,11 @@ static int valid_area(struct lb_memory *mem, unsigned long buffer, } } 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, " [0x%016lx, 0x%016lx)\n", start, end); printk(BIOS_ERR, "Ram areas\n"); -- cgit v1.2.3