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multiboot: Fix upper memory size in multiboot info

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The upper memory size field should exclude the first MB of RAM.

Signed-off-by: Kevin Wolf <mail@kevin-wolf.de>
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
This commit is contained in:
Kevin Wolf 2011-01-04 14:03:30 +01:00 committed by Aurelien Jarno
parent 64b85a8f23
commit 0bfe006c53
1 changed files with 1 additions and 1 deletions
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2
hw/multiboot.c
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@ -306,7 +306,7 @@ int load_multiboot(void *fw_cfg,
| MULTIBOOT_FLAGS_MODULES
| MULTIBOOT_FLAGS_MMAP);
stl_p(bootinfo + MBI_MEM_LOWER, 640);
stl_p(bootinfo + MBI_MEM_UPPER, ram_size / 1024);
stl_p(bootinfo + MBI_MEM_UPPER, (ram_size / 1024) - 1024);
stl_p(bootinfo + MBI_BOOT_DEVICE, 0x8001ffff); /* XXX: use the -boot switch? */
stl_p(bootinfo + MBI_MMAP_ADDR, ADDR_E820_MAP);