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2009-05-02 Vladimir Serbinenko <phcoder@gmail.com>

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Efiemu
 
	* conf/i386-pc.rmk: new modules efiemu, efiemu_acpi, efiemu_pnvram,
	_linux_efi, linux_efi. 
	new files in grub-emu 
	new targets efiemu32.o and efiemu64.o
	* loader/linux_normal_efiemu.c: likewise
	* loader/i386/efi/linux.c: added preliminary efiemu support
	* util/i386/pc/grub-install.in: add efiemu??.o to the list of 
	files to copy
	* include/grub/autoefi.h: new file
	* nclude/grub/i386/efiemu.h: likewise
	* include/grub/i386/pc/efiemu.h: likewise
	* include/grub/efi/api.h: add LL suffix when necessary
	new definitions relating to tables
	* include/grub/efiemu/efiemu.h: new file
	* include/grub/efiemu/runtime.h: likewise
	* efiemu/prepare.c: likewise
	* efiemu/loadcore_common.c: likewise
	* efiemu/loadcore64.c: likewise
	* efiemu/runtime/efiemu.sh: likewise
	* efiemu/runtime/efiemu.S: likewise
	* efiemu/runtime/efiemu.c: likewise
	* efiemu/runtime/config.h: likewise
	* efiemu/prepare32.c: likewise
	* efiemu/main.c: likewise
	* efiemu/modules/pnvram.c: likewise
	* efiemu/modules/i386: likewise
	* efiemu/modules/i386/pc: likewise
	* efiemu/modules/acpi.c: likewise
	* efiemu/i386/pc/cfgtables.c: likewise
	* efiemu/i386/loadcore64.c: likewise
	* efiemu/i386/loadcore32.c: likewise
	* efiemu/prepare64.c: likewise
	* efiemu/loadcore.c: likewise
	* efiemu/symbols.c: likewise
	* efiemu/mm.c: likewise
	* efiemu/loadcore32.c: likewise
This commit is contained in:
phcoder 2009-05-02 22:40:21 +00:00
parent f8efe3ad2d
commit 5caf964d75
29 changed files with 4068 additions and 14 deletions
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60
efiemu/i386/coredetect.c Normal file
View file

@ -0,0 +1,60 @@
/*
* GRUB -- GRand Unified Bootloader
* Copyright (C) 2009 Free Software Foundation, Inc.
*
* GRUB is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* GRUB is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with GRUB. If not, see <http://www.gnu.org/licenses/>.
*/
#include <grub/efiemu/efiemu.h>
#include <grub/machine/efiemu.h>
#include <grub/command.h>
#define cpuid(num,a,b,c,d) \
asm volatile ("xchgl %%ebx, %1; cpuid; xchgl %%ebx, %1" \
: "=a" (a), "=r" (b), "=c" (c), "=d" (d) \
: "0" (num))
#define bit_LM (1 << 29)
char *
grub_efiemu_get_default_core_name (void)
{
unsigned int eax, ebx, ecx, edx;
unsigned int max_level;
unsigned int ext_level;
/* See if we can use cpuid. */
asm volatile ("pushfl; pushfl; popl %0; movl %0,%1; xorl %2,%0;"
"pushl %0; popfl; pushfl; popl %0; popfl"
: "=&r" (eax), "=&r" (ebx)
: "i" (0x00200000));
if (((eax ^ ebx) & 0x00200000) == 0)
return "efiemu32.o";
/* Check the highest input value for eax. */
cpuid (0, eax, ebx, ecx, edx);
/* We only look at the first four characters. */
max_level = eax;
if (max_level == 0)
return "efiemu32.o";
cpuid (0x80000000, eax, ebx, ecx, edx);
ext_level = eax;
if (ext_level < 0x80000000)
return "efiemu32.o";
cpuid (0x80000001, eax, ebx, ecx, edx);
return (edx & bit_LM) ? "efiemu64.o" : "efiemu32.o";
}