This version of the patch contains only the fix for the E801 EISA memory
map. The memory existence check was helpful for testing but is not
really necessary.
But this bug should be fixed, otherwise GRUB2 would crash if BIOS does
not provide the E820 memory map.
Christian
2007-12-31 Christian Franke <[EMAIL PROTECTED]>
* kern/i386/pc/init.c (grub_machine_init): Fix
evaluation of eisa_mmap.
--- grub2.orig/kern/i386/pc/init.c 2007-10-22 22:22:51.359375000 +0200
+++ grub2/kern/i386/pc/init.c 2007-12-31 16:05:59.953125000 +0100
@@ -199,13 +199,8 @@ grub_machine_init (void)
if (eisa_mmap)
{
- if ((eisa_mmap & 0xFFFF) == 0x3C00)
- add_mem_region (0x100000, (eisa_mmap << 16) + 0x100000 * 15);
- else
- {
- add_mem_region (0x100000, (eisa_mmap & 0xFFFF) << 10);
- add_mem_region (0x1000000, eisa_mmap << 16);
- }
+ add_mem_region (0x100000, (eisa_mmap & 0xFFFF) << 10);
+ add_mem_region (0x1000000, eisa_mmap & ~0xFFFF);
}
else
add_mem_region (0x100000, grub_get_memsize (1) << 10);
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