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2009-06-22 Robert Millan <rmh.grub@aybabtu.com>

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* conf/i386-pc.rmk (kernel_img_SOURCES): Add `kern/i386/misc.S'.
        * conf/i386-ieee1275.rmk: Likewise.
        * conf/i386-coreboot.rmk: Likewise.

        * kern/i386/pc/startup.S (grub_stop): Remove function.
        * kern/i386/ieee1275/startup.S: Likewise.
        * kern/i386/coreboot/startup.S: Likewise.
        * kern/i386/misc.S (grub_stop): New function.
This commit is contained in:
robertmh 2009-06-22 18:04:37 +00:00
parent 41da966565
commit 387a140ce6
8 changed files with 47 additions and 26 deletions
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11
ChangeLog
View file

@ -1,3 +1,14 @@
2009-06-22 Robert Millan <rmh.grub@aybabtu.com>
* conf/i386-pc.rmk (kernel_img_SOURCES): Add `kern/i386/misc.S'.
* conf/i386-ieee1275.rmk: Likewise.
* conf/i386-coreboot.rmk: Likewise.
* kern/i386/pc/startup.S (grub_stop): Remove function.
* kern/i386/ieee1275/startup.S: Likewise.
* kern/i386/coreboot/startup.S: Likewise.
* kern/i386/misc.S (grub_stop): New function.
2009-06-22 Robert Millan <rmh.grub@aybabtu.com>
* kern/i386/pc/startup.S (real_to_prot): Move from here ...

1
conf/i386-coreboot.rmk
View file

@ -12,6 +12,7 @@ pkglib_PROGRAMS = kernel.img
# For kernel.img.
kernel_img_SOURCES = kern/i386/coreboot/startup.S \
kern/i386/misc.S \
kern/i386/coreboot/init.c \
kern/i386/multiboot_mmap.c \
kern/main.c kern/device.c \

4
conf/i386-ieee1275.rmk
View file

@ -11,7 +11,9 @@ script/sh/lexer.c_DEPENDENCIES = grub_script.tab.h
pkglib_PROGRAMS = kernel.img
# For kernel.img.
kernel_img_SOURCES = kern/i386/ieee1275/startup.S kern/i386/ieee1275/init.c \
kernel_img_SOURCES = kern/i386/ieee1275/startup.S \
kern/i386/misc.S \
kern/i386/ieee1275/init.c \
kern/ieee1275/init.c \
kern/ieee1275/mmap.c \
kern/ieee1275/cmain.c kern/ieee1275/openfw.c \

4
conf/i386-pc.rmk
View file

@ -46,7 +46,9 @@ cdboot_img_LDFLAGS = $(COMMON_LDFLAGS) $(TARGET_IMG_LDFLAGS)7C00
cdboot_img_FORMAT = binary
# For kernel.img.
kernel_img_SOURCES = kern/i386/pc/startup.S kern/main.c kern/device.c \
kernel_img_SOURCES = kern/i386/pc/startup.S \
kern/i386/misc.S \
kern/main.c kern/device.c \
kern/disk.c kern/dl.c kern/file.c kern/fs.c kern/err.c \
kern/misc.c kern/mm.c kern/reader.c kern/term.c \
kern/rescue_parser.c kern/rescue_reader.c \

8
kern/i386/coreboot/startup.S
View file

@ -77,14 +77,6 @@ codestart:
/* jump to the main body of C code */
jmp EXT_C(grub_main)
/*
* This call is special... it never returns... in fact it should simply
* hang at this point!
*/
FUNCTION(grub_stop)
hlt
jmp EXT_C(grub_stop)
/*
* prot_to_real and associated structures (but NOT real_to_prot, that is
* only needed for BIOS gates).

8
kern/i386/ieee1275/startup.S
View file

@ -58,14 +58,6 @@ codestart:
movl %eax, EXT_C(grub_ieee1275_entry_fn)
jmp EXT_C(grub_main)
/*
* This call is special... it never returns... in fact it should simply
* hang at this point!
*/
FUNCTION(grub_stop)
hlt
jmp EXT_C(grub_stop)
/*
* prot_to_real and associated structures (but NOT real_to_prot, that is
* only needed for BIOS gates).

29
kern/i386/misc.S Normal file
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@ -0,0 +1,29 @@
/*
* 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/>.
*/
#include <grub/symbol.h>
.text
/*
* This call is special... it never returns... in fact it should simply
* hang at this point!
*/
FUNCTION(grub_stop)
cli
1: hlt
jmp 1b

8
kern/i386/pc/startup.S
View file

@ -463,14 +463,6 @@ gate_a20_check_state:
*/
. = _start + GRUB_KERNEL_MACHINE_RAW_SIZE
/*
* This call is special... it never returns... in fact it should simply
* hang at this point!
*/
FUNCTION(grub_stop)
call prot_to_real
/*
* This next part is sort of evil. It takes advantage of the
* byte ordering on the x86 to work in either 16-bit or 32-bit