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2009-06-23 Robert Millan <rmh.grub@aybabtu.com>

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* kern/i386/pc/startup.S (real_to_prot): Access `gdtdesc' using
        segment 0x0 unconditionally, because the reference generated by
        GAS is an absolute address.
This commit is contained in:
robertmh 2009-06-22 22:48:20 +00:00
parent a42ce6e962
commit 9bbdfd4d3b
2 changed files with 9 additions and 7 deletions
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6
ChangeLog
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@ -1,3 +1,9 @@
2009-06-23 Robert Millan <rmh.grub@aybabtu.com>
* kern/i386/pc/startup.S (real_to_prot): Access `gdtdesc' using
segment 0x0 unconditionally, because the reference generated by
GAS is an absolute address.
2009-06-22 Robert Millan <rmh.grub@aybabtu.com> 2009-06-22 Robert Millan <rmh.grub@aybabtu.com>
* include/grub/i386/kernel.h: Include `<grub/machine/machine.h>'. * include/grub/i386/kernel.h: Include `<grub/machine/machine.h>'.

10
kern/i386/realmode.S
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@ -1,6 +1,6 @@
/* /*
* GRUB -- GRand Unified Bootloader * GRUB -- GRand Unified Bootloader
* Copyright (C) 1999,2000,2001,2002,2003,2005,2006,2007 Free Software Foundation, Inc. * Copyright (C) 1999,2000,2001,2002,2003,2005,2006,2007,2009 Free Software Foundation, Inc.
* *
* GRUB is free software: you can redistribute it and/or modify * GRUB is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by * it under the terms of the GNU General Public License as published by
@ -121,13 +121,9 @@ real_to_prot:
cli cli
/* load the GDT register */ /* load the GDT register */
#ifdef APPLE_CC xorw %ax, %ax
mov %cs, %ax movw %ax, %ds
mov %ax, %ds
DATA32 ADDR32 lgdt gdtdesc DATA32 ADDR32 lgdt gdtdesc
#else
DATA32 ADDR32 lgdt %cs:gdtdesc
#endif
/* turn on protected mode */ /* turn on protected mode */
movl %cr0, %eax movl %cr0, %eax