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2009-03-22 Vladimir Serbinenko <phcoder@gmail.com>

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Move multiboot helper out of kernel

        * conf/i386-pc.rmk (multiboot_mod_SOURCES): Add
        `loader/i386/multiboot_helper.S'.
        * conf/i386-coreboot.rmk: Likewise
        * conf/i386-ieee1275.rmk: Likewise

        * kern/i386/loader.S: Move multiboot helpers from here...
        * loader/i386/multiboot_helper.S: ...moved here
        * include/grub/i386/loader.h: Move declarations of multiboot
        helpers from here...
        * include/grub/i386/multiboot.h: ...moved here
        * loader/i386/multiboot.c: Added include of grub/cpu/multiboot.h
This commit is contained in:
robertmh 2009-03-22 12:28:00 +00:00
parent 42a5b3fcc7
commit c04d6e0548
15 changed files with 260 additions and 134 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

16
ChangeLog
View file

@ -1,3 +1,19 @@
2009-03-22 Vladimir Serbinenko <phcoder@gmail.com>
Move multiboot helper out of kernel
* conf/i386-pc.rmk (multiboot_mod_SOURCES): Add
`loader/i386/multiboot_helper.S'.
* conf/i386-coreboot.rmk: Likewise
* conf/i386-ieee1275.rmk: Likewise
* kern/i386/loader.S: Move multiboot helpers from here...
* loader/i386/multiboot_helper.S: ...moved here
* include/grub/i386/loader.h: Move declarations of multiboot
helpers from here...
* include/grub/i386/multiboot.h: ...moved here
* loader/i386/multiboot.c: Added include of grub/cpu/multiboot.h
2009-03-22 Yoshinori K. Okuji <okuji@enbug.org>
* kern/env.c (grub_env_context_open): Added an argument to specify

2
DISTLIST
View file

@ -214,6 +214,7 @@ include/grub/i386/io.h
include/grub/i386/kernel.h
include/grub/i386/linux.h
include/grub/i386/loader.h
include/grub/i386/multiboot.h
include/grub/i386/pci.h
include/grub/i386/pit.h
include/grub/i386/reboot.h
@ -393,6 +394,7 @@ loader/i386/bsd.c
loader/i386/linux.c
loader/i386/multiboot.c
loader/i386/multiboot_elfxx.c
loader/i386/multiboot_helper.S
loader/i386/efi/linux.c
loader/i386/ieee1275/linux.c
loader/i386/pc/chainloader.c

29
conf/i386-coreboot.mk
View file

@ -1257,15 +1257,16 @@ serial_mod_LDFLAGS = $(COMMON_LDFLAGS)
# For multiboot.mod.
multiboot_mod_SOURCES = loader/i386/multiboot.c \
loader/i386/multiboot_helper.S \
loader/i386/pc/multiboot2.c \
loader/multiboot2.c \
loader/multiboot_loader.c
CLEANFILES += multiboot.mod mod-multiboot.o mod-multiboot.c pre-multiboot.o multiboot_mod-loader_i386_multiboot.o multiboot_mod-loader_i386_pc_multiboot2.o multiboot_mod-loader_multiboot2.o multiboot_mod-loader_multiboot_loader.o und-multiboot.lst
CLEANFILES += multiboot.mod mod-multiboot.o mod-multiboot.c pre-multiboot.o multiboot_mod-loader_i386_multiboot.o multiboot_mod-loader_i386_multiboot_helper.o multiboot_mod-loader_i386_pc_multiboot2.o multiboot_mod-loader_multiboot2.o multiboot_mod-loader_multiboot_loader.o und-multiboot.lst
ifneq ($(multiboot_mod_EXPORTS),no)
CLEANFILES += def-multiboot.lst
DEFSYMFILES += def-multiboot.lst
endif
MOSTLYCLEANFILES += multiboot_mod-loader_i386_multiboot.d multiboot_mod-loader_i386_pc_multiboot2.d multiboot_mod-loader_multiboot2.d multiboot_mod-loader_multiboot_loader.d
MOSTLYCLEANFILES += multiboot_mod-loader_i386_multiboot.d multiboot_mod-loader_i386_multiboot_helper.d multiboot_mod-loader_i386_pc_multiboot2.d multiboot_mod-loader_multiboot2.d multiboot_mod-loader_multiboot_loader.d
UNDSYMFILES += und-multiboot.lst
multiboot.mod: pre-multiboot.o mod-multiboot.o $(TARGET_OBJ2ELF)
@ -1274,9 +1275,9 @@ multiboot.mod: pre-multiboot.o mod-multiboot.o $(TARGET_OBJ2ELF)
if test ! -z $(TARGET_OBJ2ELF); then ./$(TARGET_OBJ2ELF) $@ || (rm -f $@; exit 1); fi
$(STRIP) --strip-unneeded -K grub_mod_init -K grub_mod_fini -K _grub_mod_init -K _grub_mod_fini -R .note -R .comment $@
pre-multiboot.o: $(multiboot_mod_DEPENDENCIES) multiboot_mod-loader_i386_multiboot.o multiboot_mod-loader_i386_pc_multiboot2.o multiboot_mod-loader_multiboot2.o multiboot_mod-loader_multiboot_loader.o
pre-multiboot.o: $(multiboot_mod_DEPENDENCIES) multiboot_mod-loader_i386_multiboot.o multiboot_mod-loader_i386_multiboot_helper.o multiboot_mod-loader_i386_pc_multiboot2.o multiboot_mod-loader_multiboot2.o multiboot_mod-loader_multiboot_loader.o
-rm -f $@
$(TARGET_CC) $(multiboot_mod_LDFLAGS) $(TARGET_LDFLAGS) -Wl,-r,-d -o $@ multiboot_mod-loader_i386_multiboot.o multiboot_mod-loader_i386_pc_multiboot2.o multiboot_mod-loader_multiboot2.o multiboot_mod-loader_multiboot_loader.o
$(TARGET_CC) $(multiboot_mod_LDFLAGS) $(TARGET_LDFLAGS) -Wl,-r,-d -o $@ multiboot_mod-loader_i386_multiboot.o multiboot_mod-loader_i386_multiboot_helper.o multiboot_mod-loader_i386_pc_multiboot2.o multiboot_mod-loader_multiboot2.o multiboot_mod-loader_multiboot_loader.o
mod-multiboot.o: mod-multiboot.c
$(TARGET_CC) $(TARGET_CPPFLAGS) $(TARGET_CFLAGS) $(multiboot_mod_CFLAGS) -c -o $@ $<
@ -1312,6 +1313,25 @@ partmap-multiboot_mod-loader_i386_multiboot.lst: loader/i386/multiboot.c $(loade
set -e; $(TARGET_CC) -Iloader/i386 -I$(srcdir)/loader/i386 $(TARGET_CPPFLAGS) $(TARGET_CFLAGS) $(multiboot_mod_CFLAGS) -E $< | sh $(srcdir)/genpartmaplist.sh multiboot > $@ || (rm -f $@; exit 1)
multiboot_mod-loader_i386_multiboot_helper.o: loader/i386/multiboot_helper.S $(loader/i386/multiboot_helper.S_DEPENDENCIES)
$(TARGET_CC) -Iloader/i386 -I$(srcdir)/loader/i386 $(TARGET_CPPFLAGS) -DASM_FILE=1 $(TARGET_ASFLAGS) $(multiboot_mod_ASFLAGS) -MD -c -o $@ $<
-include multiboot_mod-loader_i386_multiboot_helper.d
CLEANFILES += cmd-multiboot_mod-loader_i386_multiboot_helper.lst fs-multiboot_mod-loader_i386_multiboot_helper.lst partmap-multiboot_mod-loader_i386_multiboot_helper.lst
COMMANDFILES += cmd-multiboot_mod-loader_i386_multiboot_helper.lst
FSFILES += fs-multiboot_mod-loader_i386_multiboot_helper.lst
PARTMAPFILES += partmap-multiboot_mod-loader_i386_multiboot_helper.lst
cmd-multiboot_mod-loader_i386_multiboot_helper.lst: loader/i386/multiboot_helper.S $(loader/i386/multiboot_helper.S_DEPENDENCIES) gencmdlist.sh
set -e; $(TARGET_CC) -Iloader/i386 -I$(srcdir)/loader/i386 $(TARGET_CPPFLAGS) $(TARGET_ASFLAGS) $(multiboot_mod_ASFLAGS) -E $< | sh $(srcdir)/gencmdlist.sh multiboot > $@ || (rm -f $@; exit 1)
fs-multiboot_mod-loader_i386_multiboot_helper.lst: loader/i386/multiboot_helper.S $(loader/i386/multiboot_helper.S_DEPENDENCIES) genfslist.sh
set -e; $(TARGET_CC) -Iloader/i386 -I$(srcdir)/loader/i386 $(TARGET_CPPFLAGS) $(TARGET_ASFLAGS) $(multiboot_mod_ASFLAGS) -E $< | sh $(srcdir)/genfslist.sh multiboot > $@ || (rm -f $@; exit 1)
partmap-multiboot_mod-loader_i386_multiboot_helper.lst: loader/i386/multiboot_helper.S $(loader/i386/multiboot_helper.S_DEPENDENCIES) genpartmaplist.sh
set -e; $(TARGET_CC) -Iloader/i386 -I$(srcdir)/loader/i386 $(TARGET_CPPFLAGS) $(TARGET_ASFLAGS) $(multiboot_mod_ASFLAGS) -E $< | sh $(srcdir)/genpartmaplist.sh multiboot > $@ || (rm -f $@; exit 1)
multiboot_mod-loader_i386_pc_multiboot2.o: loader/i386/pc/multiboot2.c $(loader/i386/pc/multiboot2.c_DEPENDENCIES)
$(TARGET_CC) -Iloader/i386/pc -I$(srcdir)/loader/i386/pc $(TARGET_CPPFLAGS) $(TARGET_CFLAGS) $(multiboot_mod_CFLAGS) -MD -c -o $@ $<
-include multiboot_mod-loader_i386_pc_multiboot2.d
@ -1371,6 +1391,7 @@ partmap-multiboot_mod-loader_multiboot_loader.lst: loader/multiboot_loader.c $(l
multiboot_mod_CFLAGS = $(COMMON_CFLAGS)
multiboot_mod_LDFLAGS = $(COMMON_LDFLAGS)
multiboot_mod_ASFLAGS = $(COMMON_ASFLAGS)
# For aout.mod.
aout_mod_SOURCES = loader/aout.c

2
conf/i386-coreboot.rmk
View file

@ -145,11 +145,13 @@ serial_mod_LDFLAGS = $(COMMON_LDFLAGS)
# For multiboot.mod.
multiboot_mod_SOURCES = loader/i386/multiboot.c \
loader/i386/multiboot_helper.S \
loader/i386/pc/multiboot2.c \
loader/multiboot2.c \
loader/multiboot_loader.c
multiboot_mod_CFLAGS = $(COMMON_CFLAGS)
multiboot_mod_LDFLAGS = $(COMMON_LDFLAGS)
multiboot_mod_ASFLAGS = $(COMMON_ASFLAGS)
# For aout.mod.
aout_mod_SOURCES = loader/aout.c

29
conf/i386-ieee1275.mk
View file

@ -1001,14 +1001,15 @@ normal_mod_LDFLAGS = $(COMMON_LDFLAGS)
# For multiboot.mod.
multiboot_mod_SOURCES = loader/ieee1275/multiboot2.c \
loader/i386/multiboot_helper.S \
loader/multiboot2.c \
loader/multiboot_loader.c
CLEANFILES += multiboot.mod mod-multiboot.o mod-multiboot.c pre-multiboot.o multiboot_mod-loader_ieee1275_multiboot2.o multiboot_mod-loader_multiboot2.o multiboot_mod-loader_multiboot_loader.o und-multiboot.lst
CLEANFILES += multiboot.mod mod-multiboot.o mod-multiboot.c pre-multiboot.o multiboot_mod-loader_ieee1275_multiboot2.o multiboot_mod-loader_i386_multiboot_helper.o multiboot_mod-loader_multiboot2.o multiboot_mod-loader_multiboot_loader.o und-multiboot.lst
ifneq ($(multiboot_mod_EXPORTS),no)
CLEANFILES += def-multiboot.lst
DEFSYMFILES += def-multiboot.lst
endif
MOSTLYCLEANFILES += multiboot_mod-loader_ieee1275_multiboot2.d multiboot_mod-loader_multiboot2.d multiboot_mod-loader_multiboot_loader.d
MOSTLYCLEANFILES += multiboot_mod-loader_ieee1275_multiboot2.d multiboot_mod-loader_i386_multiboot_helper.d multiboot_mod-loader_multiboot2.d multiboot_mod-loader_multiboot_loader.d
UNDSYMFILES += und-multiboot.lst
multiboot.mod: pre-multiboot.o mod-multiboot.o $(TARGET_OBJ2ELF)
@ -1017,9 +1018,9 @@ multiboot.mod: pre-multiboot.o mod-multiboot.o $(TARGET_OBJ2ELF)
if test ! -z $(TARGET_OBJ2ELF); then ./$(TARGET_OBJ2ELF) $@ || (rm -f $@; exit 1); fi
$(STRIP) --strip-unneeded -K grub_mod_init -K grub_mod_fini -K _grub_mod_init -K _grub_mod_fini -R .note -R .comment $@
pre-multiboot.o: $(multiboot_mod_DEPENDENCIES) multiboot_mod-loader_ieee1275_multiboot2.o multiboot_mod-loader_multiboot2.o multiboot_mod-loader_multiboot_loader.o
pre-multiboot.o: $(multiboot_mod_DEPENDENCIES) multiboot_mod-loader_ieee1275_multiboot2.o multiboot_mod-loader_i386_multiboot_helper.o multiboot_mod-loader_multiboot2.o multiboot_mod-loader_multiboot_loader.o
-rm -f $@
$(TARGET_CC) $(multiboot_mod_LDFLAGS) $(TARGET_LDFLAGS) -Wl,-r,-d -o $@ multiboot_mod-loader_ieee1275_multiboot2.o multiboot_mod-loader_multiboot2.o multiboot_mod-loader_multiboot_loader.o
$(TARGET_CC) $(multiboot_mod_LDFLAGS) $(TARGET_LDFLAGS) -Wl,-r,-d -o $@ multiboot_mod-loader_ieee1275_multiboot2.o multiboot_mod-loader_i386_multiboot_helper.o multiboot_mod-loader_multiboot2.o multiboot_mod-loader_multiboot_loader.o
mod-multiboot.o: mod-multiboot.c
$(TARGET_CC) $(TARGET_CPPFLAGS) $(TARGET_CFLAGS) $(multiboot_mod_CFLAGS) -c -o $@ $<
@ -1055,6 +1056,25 @@ partmap-multiboot_mod-loader_ieee1275_multiboot2.lst: loader/ieee1275/multiboot2
set -e; $(TARGET_CC) -Iloader/ieee1275 -I$(srcdir)/loader/ieee1275 $(TARGET_CPPFLAGS) $(TARGET_CFLAGS) $(multiboot_mod_CFLAGS) -E $< | sh $(srcdir)/genpartmaplist.sh multiboot > $@ || (rm -f $@; exit 1)
multiboot_mod-loader_i386_multiboot_helper.o: loader/i386/multiboot_helper.S $(loader/i386/multiboot_helper.S_DEPENDENCIES)
$(TARGET_CC) -Iloader/i386 -I$(srcdir)/loader/i386 $(TARGET_CPPFLAGS) -DASM_FILE=1 $(TARGET_ASFLAGS) $(multiboot_mod_ASFLAGS) -MD -c -o $@ $<
-include multiboot_mod-loader_i386_multiboot_helper.d
CLEANFILES += cmd-multiboot_mod-loader_i386_multiboot_helper.lst fs-multiboot_mod-loader_i386_multiboot_helper.lst partmap-multiboot_mod-loader_i386_multiboot_helper.lst
COMMANDFILES += cmd-multiboot_mod-loader_i386_multiboot_helper.lst
FSFILES += fs-multiboot_mod-loader_i386_multiboot_helper.lst
PARTMAPFILES += partmap-multiboot_mod-loader_i386_multiboot_helper.lst
cmd-multiboot_mod-loader_i386_multiboot_helper.lst: loader/i386/multiboot_helper.S $(loader/i386/multiboot_helper.S_DEPENDENCIES) gencmdlist.sh
set -e; $(TARGET_CC) -Iloader/i386 -I$(srcdir)/loader/i386 $(TARGET_CPPFLAGS) $(TARGET_ASFLAGS) $(multiboot_mod_ASFLAGS) -E $< | sh $(srcdir)/gencmdlist.sh multiboot > $@ || (rm -f $@; exit 1)
fs-multiboot_mod-loader_i386_multiboot_helper.lst: loader/i386/multiboot_helper.S $(loader/i386/multiboot_helper.S_DEPENDENCIES) genfslist.sh
set -e; $(TARGET_CC) -Iloader/i386 -I$(srcdir)/loader/i386 $(TARGET_CPPFLAGS) $(TARGET_ASFLAGS) $(multiboot_mod_ASFLAGS) -E $< | sh $(srcdir)/genfslist.sh multiboot > $@ || (rm -f $@; exit 1)
partmap-multiboot_mod-loader_i386_multiboot_helper.lst: loader/i386/multiboot_helper.S $(loader/i386/multiboot_helper.S_DEPENDENCIES) genpartmaplist.sh
set -e; $(TARGET_CC) -Iloader/i386 -I$(srcdir)/loader/i386 $(TARGET_CPPFLAGS) $(TARGET_ASFLAGS) $(multiboot_mod_ASFLAGS) -E $< | sh $(srcdir)/genpartmaplist.sh multiboot > $@ || (rm -f $@; exit 1)
multiboot_mod-loader_multiboot2.o: loader/multiboot2.c $(loader/multiboot2.c_DEPENDENCIES)
$(TARGET_CC) -Iloader -I$(srcdir)/loader $(TARGET_CPPFLAGS) $(TARGET_CFLAGS) $(multiboot_mod_CFLAGS) -MD -c -o $@ $<
-include multiboot_mod-loader_multiboot2.d
@ -1095,6 +1115,7 @@ partmap-multiboot_mod-loader_multiboot_loader.lst: loader/multiboot_loader.c $(l
multiboot_mod_CFLAGS = $(COMMON_CFLAGS)
multiboot_mod_LDFLAGS = $(COMMON_LDFLAGS)
multiboot_mod_ASFLAGS = $(COMMON_ASFLAGS)
# For aout.mod.
aout_mod_SOURCES = loader/aout.c

2
conf/i386-ieee1275.rmk
View file

@ -127,10 +127,12 @@ normal_mod_LDFLAGS = $(COMMON_LDFLAGS)
# For multiboot.mod.
multiboot_mod_SOURCES = loader/ieee1275/multiboot2.c \
loader/i386/multiboot_helper.S \
loader/multiboot2.c \
loader/multiboot_loader.c
multiboot_mod_CFLAGS = $(COMMON_CFLAGS)
multiboot_mod_LDFLAGS = $(COMMON_LDFLAGS)
multiboot_mod_ASFLAGS = $(COMMON_ASFLAGS)
# For aout.mod.
aout_mod_SOURCES = loader/aout.c

29
conf/i386-pc.mk
View file

@ -1720,15 +1720,16 @@ serial_mod_LDFLAGS = $(COMMON_LDFLAGS)
# For multiboot.mod.
multiboot_mod_SOURCES = loader/i386/multiboot.c \
loader/i386/multiboot_helper.S \
loader/i386/pc/multiboot2.c \
loader/multiboot2.c \
loader/multiboot_loader.c
CLEANFILES += multiboot.mod mod-multiboot.o mod-multiboot.c pre-multiboot.o multiboot_mod-loader_i386_multiboot.o multiboot_mod-loader_i386_pc_multiboot2.o multiboot_mod-loader_multiboot2.o multiboot_mod-loader_multiboot_loader.o und-multiboot.lst
CLEANFILES += multiboot.mod mod-multiboot.o mod-multiboot.c pre-multiboot.o multiboot_mod-loader_i386_multiboot.o multiboot_mod-loader_i386_multiboot_helper.o multiboot_mod-loader_i386_pc_multiboot2.o multiboot_mod-loader_multiboot2.o multiboot_mod-loader_multiboot_loader.o und-multiboot.lst
ifneq ($(multiboot_mod_EXPORTS),no)
CLEANFILES += def-multiboot.lst
DEFSYMFILES += def-multiboot.lst
endif
MOSTLYCLEANFILES += multiboot_mod-loader_i386_multiboot.d multiboot_mod-loader_i386_pc_multiboot2.d multiboot_mod-loader_multiboot2.d multiboot_mod-loader_multiboot_loader.d
MOSTLYCLEANFILES += multiboot_mod-loader_i386_multiboot.d multiboot_mod-loader_i386_multiboot_helper.d multiboot_mod-loader_i386_pc_multiboot2.d multiboot_mod-loader_multiboot2.d multiboot_mod-loader_multiboot_loader.d
UNDSYMFILES += und-multiboot.lst
multiboot.mod: pre-multiboot.o mod-multiboot.o $(TARGET_OBJ2ELF)
@ -1737,9 +1738,9 @@ multiboot.mod: pre-multiboot.o mod-multiboot.o $(TARGET_OBJ2ELF)
if test ! -z $(TARGET_OBJ2ELF); then ./$(TARGET_OBJ2ELF) $@ || (rm -f $@; exit 1); fi
$(STRIP) --strip-unneeded -K grub_mod_init -K grub_mod_fini -K _grub_mod_init -K _grub_mod_fini -R .note -R .comment $@
pre-multiboot.o: $(multiboot_mod_DEPENDENCIES) multiboot_mod-loader_i386_multiboot.o multiboot_mod-loader_i386_pc_multiboot2.o multiboot_mod-loader_multiboot2.o multiboot_mod-loader_multiboot_loader.o
pre-multiboot.o: $(multiboot_mod_DEPENDENCIES) multiboot_mod-loader_i386_multiboot.o multiboot_mod-loader_i386_multiboot_helper.o multiboot_mod-loader_i386_pc_multiboot2.o multiboot_mod-loader_multiboot2.o multiboot_mod-loader_multiboot_loader.o
-rm -f $@
$(TARGET_CC) $(multiboot_mod_LDFLAGS) $(TARGET_LDFLAGS) -Wl,-r,-d -o $@ multiboot_mod-loader_i386_multiboot.o multiboot_mod-loader_i386_pc_multiboot2.o multiboot_mod-loader_multiboot2.o multiboot_mod-loader_multiboot_loader.o
$(TARGET_CC) $(multiboot_mod_LDFLAGS) $(TARGET_LDFLAGS) -Wl,-r,-d -o $@ multiboot_mod-loader_i386_multiboot.o multiboot_mod-loader_i386_multiboot_helper.o multiboot_mod-loader_i386_pc_multiboot2.o multiboot_mod-loader_multiboot2.o multiboot_mod-loader_multiboot_loader.o
mod-multiboot.o: mod-multiboot.c
$(TARGET_CC) $(TARGET_CPPFLAGS) $(TARGET_CFLAGS) $(multiboot_mod_CFLAGS) -c -o $@ $<
@ -1775,6 +1776,25 @@ partmap-multiboot_mod-loader_i386_multiboot.lst: loader/i386/multiboot.c $(loade
set -e; $(TARGET_CC) -Iloader/i386 -I$(srcdir)/loader/i386 $(TARGET_CPPFLAGS) $(TARGET_CFLAGS) $(multiboot_mod_CFLAGS) -E $< | sh $(srcdir)/genpartmaplist.sh multiboot > $@ || (rm -f $@; exit 1)
multiboot_mod-loader_i386_multiboot_helper.o: loader/i386/multiboot_helper.S $(loader/i386/multiboot_helper.S_DEPENDENCIES)
$(TARGET_CC) -Iloader/i386 -I$(srcdir)/loader/i386 $(TARGET_CPPFLAGS) -DASM_FILE=1 $(TARGET_ASFLAGS) $(multiboot_mod_ASFLAGS) -MD -c -o $@ $<
-include multiboot_mod-loader_i386_multiboot_helper.d
CLEANFILES += cmd-multiboot_mod-loader_i386_multiboot_helper.lst fs-multiboot_mod-loader_i386_multiboot_helper.lst partmap-multiboot_mod-loader_i386_multiboot_helper.lst
COMMANDFILES += cmd-multiboot_mod-loader_i386_multiboot_helper.lst
FSFILES += fs-multiboot_mod-loader_i386_multiboot_helper.lst
PARTMAPFILES += partmap-multiboot_mod-loader_i386_multiboot_helper.lst
cmd-multiboot_mod-loader_i386_multiboot_helper.lst: loader/i386/multiboot_helper.S $(loader/i386/multiboot_helper.S_DEPENDENCIES) gencmdlist.sh
set -e; $(TARGET_CC) -Iloader/i386 -I$(srcdir)/loader/i386 $(TARGET_CPPFLAGS) $(TARGET_ASFLAGS) $(multiboot_mod_ASFLAGS) -E $< | sh $(srcdir)/gencmdlist.sh multiboot > $@ || (rm -f $@; exit 1)
fs-multiboot_mod-loader_i386_multiboot_helper.lst: loader/i386/multiboot_helper.S $(loader/i386/multiboot_helper.S_DEPENDENCIES) genfslist.sh
set -e; $(TARGET_CC) -Iloader/i386 -I$(srcdir)/loader/i386 $(TARGET_CPPFLAGS) $(TARGET_ASFLAGS) $(multiboot_mod_ASFLAGS) -E $< | sh $(srcdir)/genfslist.sh multiboot > $@ || (rm -f $@; exit 1)
partmap-multiboot_mod-loader_i386_multiboot_helper.lst: loader/i386/multiboot_helper.S $(loader/i386/multiboot_helper.S_DEPENDENCIES) genpartmaplist.sh
set -e; $(TARGET_CC) -Iloader/i386 -I$(srcdir)/loader/i386 $(TARGET_CPPFLAGS) $(TARGET_ASFLAGS) $(multiboot_mod_ASFLAGS) -E $< | sh $(srcdir)/genpartmaplist.sh multiboot > $@ || (rm -f $@; exit 1)
multiboot_mod-loader_i386_pc_multiboot2.o: loader/i386/pc/multiboot2.c $(loader/i386/pc/multiboot2.c_DEPENDENCIES)
$(TARGET_CC) -Iloader/i386/pc -I$(srcdir)/loader/i386/pc $(TARGET_CPPFLAGS) $(TARGET_CFLAGS) $(multiboot_mod_CFLAGS) -MD -c -o $@ $<
-include multiboot_mod-loader_i386_pc_multiboot2.d
@ -1834,6 +1854,7 @@ partmap-multiboot_mod-loader_multiboot_loader.lst: loader/multiboot_loader.c $(l
multiboot_mod_CFLAGS = $(COMMON_CFLAGS)
multiboot_mod_LDFLAGS = $(COMMON_LDFLAGS)
multiboot_mod_ASFLAGS = $(COMMON_ASFLAGS)
# For vbe.mod.
vbe_mod_SOURCES = video/i386/pc/vbe.c video/i386/pc/vbeblit.c \

2
conf/i386-pc.rmk
View file

@ -228,11 +228,13 @@ serial_mod_LDFLAGS = $(COMMON_LDFLAGS)
# For multiboot.mod.
multiboot_mod_SOURCES = loader/i386/multiboot.c \
loader/i386/multiboot_helper.S \
loader/i386/pc/multiboot2.c \
loader/multiboot2.c \
loader/multiboot_loader.c
multiboot_mod_CFLAGS = $(COMMON_CFLAGS)
multiboot_mod_LDFLAGS = $(COMMON_LDFLAGS)
multiboot_mod_ASFLAGS = $(COMMON_ASFLAGS)
# For vbe.mod.
vbe_mod_SOURCES = video/i386/pc/vbe.c video/i386/pc/vbeblit.c \

22
include/grub/i386/loader.h
View file

@ -1,6 +1,6 @@
/*
* GRUB -- GRand Unified Bootloader
* Copyright (C) 2002,2003,2004,2007,2008 Free Software Foundation, Inc.
* Copyright (C) 2002,2003,2004,2007,2008,2009 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
@ -22,7 +22,6 @@
#include <grub/types.h>
#include <grub/err.h>
#include <grub/symbol.h>
#include <grub/multiboot.h>
extern grub_uint32_t EXPORT_VAR(grub_linux_prot_size);
extern char *EXPORT_VAR(grub_linux_tmp_addr);
@ -33,26 +32,7 @@ extern grub_size_t EXPORT_VAR(grub_os_area_size);
grub_err_t EXPORT_FUNC(grub_linux_boot) (void);
/* The asm part of the multiboot loader. */
void EXPORT_FUNC(grub_multiboot_real_boot) (grub_addr_t entry,
struct grub_multiboot_info *mbi)
__attribute__ ((noreturn));
void EXPORT_FUNC(grub_multiboot2_real_boot) (grub_addr_t entry,
struct grub_multiboot_info *mbi)
__attribute__ ((noreturn));
void EXPORT_FUNC(grub_unix_real_boot) (grub_addr_t entry, ...)
__attribute__ ((cdecl,noreturn));
extern grub_addr_t EXPORT_VAR(grub_multiboot_payload_orig);
extern grub_addr_t EXPORT_VAR(grub_multiboot_payload_dest);
extern grub_size_t EXPORT_VAR(grub_multiboot_payload_size);
extern grub_uint32_t EXPORT_VAR(grub_multiboot_payload_entry_offset);
extern grub_uint8_t EXPORT_VAR(grub_multiboot_forward_relocator);
extern grub_uint8_t EXPORT_VAR(grub_multiboot_forward_relocator_end);
extern grub_uint8_t EXPORT_VAR(grub_multiboot_backward_relocator);
extern grub_uint8_t EXPORT_VAR(grub_multiboot_backward_relocator_end);
#define RELOCATOR_SIZEOF(x) (&grub_multiboot_##x##_relocator_end - &grub_multiboot_##x##_relocator)
#endif /* ! GRUB_LOADER_CPU_HEADER */

42
include/grub/i386/multiboot.h Normal file
View file

@ -0,0 +1,42 @@
/*
* GRUB -- GRand Unified Bootloader
* Copyright (C) 2002,2003,2004,2007,2008,2009 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/>.
*/
#ifndef GRUB_MULTIBOOT_CPU_HEADER
#define GRUB_MULTIBOOT_CPU_HEADER 1
/* The asm part of the multiboot loader. */
void grub_multiboot_real_boot (grub_addr_t entry,
struct grub_multiboot_info *mbi)
__attribute__ ((noreturn));
void grub_multiboot2_real_boot (grub_addr_t entry,
struct grub_multiboot_info *mbi)
__attribute__ ((noreturn));
extern grub_addr_t grub_multiboot_payload_orig;
extern grub_addr_t grub_multiboot_payload_dest;
extern grub_size_t grub_multiboot_payload_size;
extern grub_uint32_t grub_multiboot_payload_entry_offset;
extern grub_uint8_t grub_multiboot_forward_relocator;
extern grub_uint8_t grub_multiboot_forward_relocator_end;
extern grub_uint8_t grub_multiboot_backward_relocator;
extern grub_uint8_t grub_multiboot_backward_relocator_end;
#define RELOCATOR_SIZEOF(x) (&grub_multiboot_##x##_relocator_end - &grub_multiboot_##x##_relocator)
#endif /* ! GRUB_MULTIBOOT_CPU_HEADER */

1
kern/i386/coreboot/init.c
View file

@ -146,6 +146,7 @@ grub_machine_fini (void)
{
grub_at_keyboard_fini ();
grub_vga_text_fini ();
grub_stop_floppy ();
}
/* Return the end of the core image. */

101
kern/i386/loader.S
View file

@ -118,106 +118,6 @@ linux_setup_seg:
.word 0
.code32
/*
* This starts the multiboot kernel.
*/
VARIABLE(grub_multiboot_payload_size)
.long 0
VARIABLE(grub_multiboot_payload_orig)
.long 0
VARIABLE(grub_multiboot_payload_dest)
.long 0
VARIABLE(grub_multiboot_payload_entry_offset)
.long 0
/*
* The relocators below understand the following parameters:
* ecx: Size of the block to be copied.
* esi: Where to copy from (always lowest address, even if we're relocating
* backwards).
* edi: Where to copy to (likewise).
* edx: Offset of the entry point (relative to the beginning of the block).
*/
VARIABLE(grub_multiboot_forward_relocator)
/* Add entry offset. */
addl %edi, %edx
/* Forward copy. */
cld
rep
movsb
jmp *%edx
VARIABLE(grub_multiboot_forward_relocator_end)
VARIABLE(grub_multiboot_backward_relocator)
/* Add entry offset (before %edi is mangled). */
addl %edi, %edx
/* Backward movsb is implicitly off-by-one. compensate that. */
decl %esi
decl %edi
/* Backward copy. */
std
addl %ecx, %esi
addl %ecx, %edi
rep
movsb
jmp *%edx
VARIABLE(grub_multiboot_backward_relocator_end)
FUNCTION(grub_multiboot_real_boot)
/* Push the entry address on the stack. */
pushl %eax
/* Move the address of the multiboot information structure to ebx. */
movl %edx,%ebx
/* Unload all modules and stop the floppy driver. */
call EXT_C(grub_dl_unload_all)
call EXT_C(grub_stop_floppy)
/* Interrupts should be disabled. */
cli
/* Where do we copy what from. */
movl EXT_C(grub_multiboot_payload_size), %ecx
movl EXT_C(grub_multiboot_payload_orig), %esi
movl EXT_C(grub_multiboot_payload_dest), %edi
movl EXT_C(grub_multiboot_payload_entry_offset), %edx
/* Move the magic value into eax. */
movl $MULTIBOOT_MAGIC2, %eax
/* Jump to the relocator. */
popl %ebp
jmp *%ebp
/*
* This starts the multiboot 2 kernel.
*/
FUNCTION(grub_multiboot2_real_boot)
/* Push the entry address on the stack. */
pushl %eax
/* Move the address of the multiboot information structure to ebx. */
movl %edx,%ebx
/* Unload all modules and stop the floppy driver. */
call EXT_C(grub_dl_unload_all)
call EXT_C(grub_stop_floppy)
/* Interrupts should be disabled. */
cli
/* Move the magic value into eax and jump to the kernel. */
movl $MULTIBOOT2_BOOTLOADER_MAGIC,%eax
popl %ecx
jmp *%ecx
/*
* Use cdecl calling convention for *BSD kernels.
*/
@ -225,7 +125,6 @@ FUNCTION(grub_multiboot2_real_boot)
FUNCTION(grub_unix_real_boot)
call EXT_C(grub_dl_unload_all)
call EXT_C(grub_stop_floppy)
/* Interrupts should be disabled. */
cli

1
kern/i386/pc/init.c
View file

@ -223,6 +223,7 @@ void
grub_machine_fini (void)
{
grub_console_fini ();
grub_stop_floppy ();
}
/* Return the end of the core image. */

1
loader/i386/multiboot.c
View file

@ -32,6 +32,7 @@
#include <grub/multiboot.h>
#include <grub/machine/init.h>
#include <grub/machine/memory.h>
#include <grub/cpu/multiboot.h>
#include <grub/elf.h>
#include <grub/aout.h>
#include <grub/file.h>

115
loader/i386/multiboot_helper.S Normal file
View file

@ -0,0 +1,115 @@
/*
* GRUB -- GRand Unified Bootloader
* Copyright (C) 1999,2000,2001,2002,2003,2005,2006,2007,2008,2009 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/symbol.h>
#include <multiboot.h>
#include <multiboot2.h>
.p2align 2 /* force 4-byte alignment */
/*
* This starts the multiboot kernel.
*/
VARIABLE(grub_multiboot_payload_size)
.long 0
VARIABLE(grub_multiboot_payload_orig)
.long 0
VARIABLE(grub_multiboot_payload_dest)
.long 0
VARIABLE(grub_multiboot_payload_entry_offset)
.long 0
/*
* The relocators below understand the following parameters:
* ecx: Size of the block to be copied.
* esi: Where to copy from (always lowest address, even if we're relocating
* backwards).
* edi: Where to copy to (likewise).
* edx: Offset of the entry point (relative to the beginning of the block).
*/
VARIABLE(grub_multiboot_forward_relocator)
/* Add entry offset. */
addl %edi, %edx
/* Forward copy. */
cld
rep
movsb
jmp *%edx
VARIABLE(grub_multiboot_forward_relocator_end)
VARIABLE(grub_multiboot_backward_relocator)
/* Add entry offset (before %edi is mangled). */
addl %edi, %edx
/* Backward movsb is implicitly off-by-one. compensate that. */
decl %esi
decl %edi
/* Backward copy. */
std
addl %ecx, %esi
addl %ecx, %edi
rep
movsb
jmp *%edx
VARIABLE(grub_multiboot_backward_relocator_end)
FUNCTION(grub_multiboot_real_boot)
/* Push the entry address on the stack. */
pushl %eax
/* Move the address of the multiboot information structure to ebx. */
movl %edx,%ebx
/* Interrupts should be disabled. */
cli
/* Where do we copy what from. */
movl EXT_C(grub_multiboot_payload_size), %ecx
movl EXT_C(grub_multiboot_payload_orig), %esi
movl EXT_C(grub_multiboot_payload_dest), %edi
movl EXT_C(grub_multiboot_payload_entry_offset), %edx
/* Move the magic value into eax. */
movl $MULTIBOOT_MAGIC2, %eax
/* Jump to the relocator. */
popl %ebp
jmp *%ebp
/*
* This starts the multiboot 2 kernel.
*/
FUNCTION(grub_multiboot2_real_boot)
/* Push the entry address on the stack. */
pushl %eax
/* Move the address of the multiboot information structure to ebx. */
movl %edx,%ebx
/* Interrupts should be disabled. */
cli
/* Move the magic value into eax and jump to the kernel. */
movl $MULTIBOOT2_BOOTLOADER_MAGIC,%eax
popl %ecx
jmp *%ecx