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2008-11-14 Robert Millan <rmh@aybabtu.com>

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* include/grub/i386/coreboot/memory.h (GRUB_MEMORY_MACHINE_LOWER_SIZE):
        Redefine to match with GRUB_MEMORY_MACHINE_UPPER_START (0x100000).  We
        don't want to mess with lower memory, because it is used in the Linux
        loader.

        * loader/i386/linux.c (allocate_pages): Allocate `real_mode_mem' in
        an appropiate place in lower memory, between 0x10000 and 0x90000,
        like loader/i386/efi/linux.c does.  Linux often panics if real_mode_mem
        is in our heap (probably as a result of it being corrupted during
        decompression).
This commit is contained in:
robertmh 2008-11-14 19:04:26 +00:00
parent e2e078478e
commit 10fc3eb9a7
3 changed files with 41 additions and 11 deletions
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2
include/grub/i386/coreboot/memory.h
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@ -28,9 +28,9 @@
#endif
#define GRUB_MEMORY_MACHINE_LOWER_USABLE 0x9fc00 /* 640 kiB - 1 kiB */
#define GRUB_MEMORY_MACHINE_LOWER_SIZE 0xf0000 /* 960 kiB */
#define GRUB_MEMORY_MACHINE_UPPER_START 0x100000 /* 1 MiB */
#define GRUB_MEMORY_MACHINE_LOWER_SIZE GRUB_MEMORY_MACHINE_UPPER_START
#ifndef ASM_FILE