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merge mainline into intwrap

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This commit is contained in:
Vladimir 'phcoder' Serbinenko 2010-08-29 23:21:21 +02:00
commit 069c9c5fda
137 changed files with 8057 additions and 3591 deletions
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18
grub-core/kern/i386/coreboot/init.c
View file

@ -40,9 +40,6 @@
extern char _start[];
extern char _end[];
grub_addr_t grub_os_area_addr;
grub_size_t grub_os_area_size;
grub_uint32_t
grub_get_rtc (void)
{
@ -93,20 +90,7 @@ grub_machine_init (void)
}
}
if (addr == GRUB_MEMORY_MACHINE_UPPER_START
|| (addr >= GRUB_MEMORY_MACHINE_LOWER_SIZE
&& addr <= GRUB_MEMORY_MACHINE_UPPER_START
&& (addr + size > GRUB_MEMORY_MACHINE_UPPER_START)))
{
grub_size_t quarter = size >> 2;
grub_os_area_addr = addr;
grub_os_area_size = size - quarter;
grub_mm_init_region ((void *) (grub_os_area_addr + grub_os_area_size),
quarter);
}
else
grub_mm_init_region ((void *) (grub_addr_t) addr, (grub_size_t) size);
grub_mm_init_region ((void *) (grub_addr_t) addr, (grub_size_t) size);
return 0;
}

4
grub-core/kern/i386/coreboot/startup.S
View file

@ -85,7 +85,3 @@ codestart:
*/
#include "../realmode.S"
/*
* Routines needed by Linux and Multiboot loaders.
*/
#include "../loader.S"

4
grub-core/kern/i386/ieee1275/startup.S
View file

@ -63,7 +63,3 @@ codestart:
*/
#include "../realmode.S"
/*
* Routines needed by Linux and Multiboot loaders.
*/
#include "../loader.S"

124
grub-core/kern/i386/loader.S
View file

@ -1,124 +0,0 @@
/*
* GRUB -- GRand Unified Bootloader
* Copyright (C) 1999,2000,2001,2002,2003,2005,2006,2007,2008 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/>.
*/
/*
* Note: These functions defined in this file may be called from C.
* Be careful of that you must not modify some registers. Quote
* from gcc-2.95.2/gcc/config/i386/i386.h:
1 for registers not available across function calls.
These must include the FIXED_REGISTERS and also any
registers that can be used without being saved.
The latter must include the registers where values are returned
and the register where structure-value addresses are passed.
Aside from that, you can include as many other registers as you like.
ax,dx,cx,bx,si,di,bp,sp,st,st1,st2,st3,st4,st5,st6,st7,arg
{ 1, 1, 1, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1 }
*/
/*
* Note: GRUB is compiled with the options -mrtd and -mregparm=3.
* So the first three arguments are passed in %eax, %edx, and %ecx,
* respectively, and if a function has a fixed number of arguments
* and the number if greater than three, the function must return
* with "ret $N" where N is ((the number of arguments) - 3) * 4.
*/
/*
* This is the area for all of the special variables.
*/
#include <grub/i386/floppy.h>
.p2align 2 /* force 4-byte alignment */
/*
* void grub_linux_boot_zimage (void)
*/
VARIABLE(grub_linux_prot_size)
.long 0
VARIABLE(grub_linux_tmp_addr)
.long 0
VARIABLE(grub_linux_real_addr)
.long 0
VARIABLE(grub_linux_is_bzimage)
.long 0
FUNCTION(grub_linux16_real_boot)
/* Must be done before zImage copy. */
call EXT_C(grub_dl_unload_all)
movl EXT_C(grub_linux_is_bzimage), %ebx
test %ebx, %ebx
jne bzimage
/* copy the kernel */
movl EXT_C(grub_linux_prot_size), %ecx
addl $3, %ecx
shrl $2, %ecx
movl $GRUB_LINUX_BZIMAGE_ADDR, %esi
movl $GRUB_LINUX_ZIMAGE_ADDR, %edi
cld
rep
movsl
bzimage:
movl EXT_C(grub_linux_real_addr), %ebx
/* copy the real mode code */
movl EXT_C(grub_linux_tmp_addr), %esi
movl %ebx, %edi
movl $GRUB_LINUX_SETUP_MOVE_SIZE, %ecx
cld
rep
movsb
/* change %ebx to the segment address */
shrl $4, %ebx
movl %ebx, %eax
addl $0x20, %eax
movw %ax, linux_setup_seg
/* XXX new stack pointer in safe area for calling functions */
movl $0x4000, %esp
movw $GRUB_FLOPPY_REG_DIGITAL_OUTPUT, %dx
xorb %al, %al
outb %al, %dx
/* final setup for linux boot */
call prot_to_real
.code16
cli
movw %bx, %ss
movw $GRUB_LINUX_SETUP_STACK, %sp
movw %bx, %ds
movw %bx, %es
movw %bx, %fs
movw %bx, %gs
/* ljmp */
.byte 0xea
.word 0
linux_setup_seg:
.word 0
.code32

19
grub-core/kern/i386/pc/init.c
View file

@ -45,9 +45,6 @@ struct mem_region
static struct mem_region mem_regions[MAX_REGIONS];
static int num_regions;
grub_addr_t grub_os_area_addr;
grub_size_t grub_os_area_size;
static char *
make_install_device (void)
{
@ -220,25 +217,9 @@ grub_machine_init (void)
compact_mem_regions ();
/* Add the memory regions to free memory, except for the region starting
from 1MB. This region is partially used for loading OS images.
For now, 1/4 of this is added to free memory. */
for (i = 0; i < num_regions; i++)
if (mem_regions[i].addr == 0x100000)
{
grub_size_t quarter = mem_regions[i].size >> 2;
grub_os_area_addr = mem_regions[i].addr;
grub_os_area_size = mem_regions[i].size - quarter;
grub_mm_init_region ((void *) (grub_os_area_addr + grub_os_area_size),
quarter);
}
else
grub_mm_init_region ((void *) mem_regions[i].addr, mem_regions[i].size);
if (! grub_os_area_addr)
grub_fatal ("no upper memory");
grub_tsc_init ();
}

4
grub-core/kern/i386/pc/startup.S
View file

@ -474,8 +474,6 @@ FUNCTION(grub_chainloader_real_boot)
pushl %edx
pushl %eax
call EXT_C(grub_dl_unload_all)
/* Turn off Gate A20 */
xorl %eax, %eax
call EXT_C(grub_gate_a20)
@ -491,8 +489,6 @@ FUNCTION(grub_chainloader_real_boot)
ljmp $0, $GRUB_MEMORY_MACHINE_BOOT_LOADER_ADDR
.code32
#include "../loader.S"
/*
* void grub_console_putchar (int c)
*

5
grub-core/kern/i386/qemu/mmap.c
View file

@ -67,6 +67,11 @@ grub_machine_mmap_iterate (int NESTED_FUNC_ATTR (*hook) (grub_uint64_t, grub_uin
GRUB_MACHINE_MEMORY_AVAILABLE))
return 1;
if (hook ((grub_addr_t) _end,
0xa0000 - (grub_addr_t) _end,
GRUB_MACHINE_MEMORY_AVAILABLE))
return 1;
if (hook (GRUB_MEMORY_MACHINE_UPPER,
0x100000 - GRUB_MEMORY_MACHINE_UPPER,
GRUB_MACHINE_MEMORY_RESERVED))