2008-08-02 Robert Millan <rmh@aybabtu.com>
* disk/memdisk.c (memdisk_size): Don't initialize.
(GRUB_MOD_INIT(memdisk)): Find memdisk using grub_module_iterate().
* include/grub/i386/pc/kernel.h
(GRUB_KERNEL_MACHINE_MEMDISK_IMAGE_SIZE): Remove macro.
(GRUB_KERNEL_MACHINE_PREFIX, GRUB_KERNEL_MACHINE_DATA_END): Shift.
(grub_memdisk_image_size, grub_arch_memdisk_addr)
(grub_arch_memdisk_size): Remove.
* include/grub/kernel.h (struct grub_module_header): Remove `offset'
field (was only used to transfer a constant). Add `type' field to
support multiple module types.
(grub_module_iterate): New function.
* kern/device.c (grub_device_open): Do not hide error messages
when grub_disk_open() fails. Use grub_print_error() instead.
* kern/i386/pc/init.c (grub_arch_modules_addr)
(grub_arch_memdisk_size): Remove functions.
(grub_arch_modules_addr): Return the module address in high memory
(now that it isn't copied anymore).
* kern/i386/pc/startup.S (grub_memdisk_image_size): Remove variable.
(codestart): Don't add grub_memdisk_image_size to %ecx in LZMA
decompression routine (grub_total_module_size already includes that
now). Don't copy modules back to low memory.
* kern/main.c: Include `<grub/mm.h>'.
(grub_load_modules): Split out (and use) ...
(grub_module_iterate): ... this function, which iterates through
module objects and runs a hook.
Comment out grub_mm_init_region() call, as it would cause non-ELF
modules to be overwritten.
* util/i386/pc/grub-mkimage.c (generate_image): Instead of appending
the memdisk image in its own region, make it part of the module list.
* util/elf/grub-mkimage.c (options): Add "memdisk"|'m' option.
(main): Parse --memdisk|-m option, and pass user-provided path as
parameter to generate_image().
(add_segments): Pass `memdisk_path' down to load_modules().
(load_modules): Embed memdisk image in module section when requested.
* util/i386/efi/grub-mkimage.c (make_mods_section): Initialize
`header.type' instead of `header.offset'.
* conf/powerpc-ieee1275.rmk (pkglib_MODULES): Add `memdisk.mod'.
(memdisk_mod_SOURCES, memdisk_mod_CFLAGS)
(memdisk_mod_LDFLAGS): New variables.
* conf/i386-coreboot.rmk: Likewise.
* conf/i386-ieee1275.rmk: Likewise.
This commit is contained in:
robertmh
parent
a927cc7383
commit
3bd0a12aca
17 changed files with 368 additions and 79 deletions
52
ChangeLog
52
ChangeLog
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@ -1,3 +1,55 @@
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2008-08-02 Robert Millan <rmh@aybabtu.com>
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* disk/memdisk.c (memdisk_size): Don't initialize.
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(GRUB_MOD_INIT(memdisk)): Find memdisk using grub_module_iterate().
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* include/grub/i386/pc/kernel.h
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(GRUB_KERNEL_MACHINE_MEMDISK_IMAGE_SIZE): Remove macro.
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(GRUB_KERNEL_MACHINE_PREFIX, GRUB_KERNEL_MACHINE_DATA_END): Shift.
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(grub_memdisk_image_size, grub_arch_memdisk_addr)
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(grub_arch_memdisk_size): Remove.
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* include/grub/kernel.h (struct grub_module_header): Remove `offset'
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field (was only used to transfer a constant). Add `type' field to
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support multiple module types.
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(grub_module_iterate): New function.
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* kern/device.c (grub_device_open): Do not hide error messages
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when grub_disk_open() fails. Use grub_print_error() instead.
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* kern/i386/pc/init.c (grub_arch_modules_addr)
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(grub_arch_memdisk_size): Remove functions.
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(grub_arch_modules_addr): Return the module address in high memory
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(now that it isn't copied anymore).
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* kern/i386/pc/startup.S (grub_memdisk_image_size): Remove variable.
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(codestart): Don't add grub_memdisk_image_size to %ecx in LZMA
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decompression routine (grub_total_module_size already includes that
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now). Don't copy modules back to low memory.
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* kern/main.c: Include `<grub/mm.h>'.
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(grub_load_modules): Split out (and use) ...
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(grub_module_iterate): ... this function, which iterates through
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module objects and runs a hook.
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Comment out grub_mm_init_region() call, as it would cause non-ELF
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modules to be overwritten.
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* util/i386/pc/grub-mkimage.c (generate_image): Instead of appending
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the memdisk image in its own region, make it part of the module list.
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* util/elf/grub-mkimage.c (options): Add "memdisk"|'m' option.
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(main): Parse --memdisk|-m option, and pass user-provided path as
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parameter to generate_image().
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(add_segments): Pass `memdisk_path' down to load_modules().
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(load_modules): Embed memdisk image in module section when requested.
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* util/i386/efi/grub-mkimage.c (make_mods_section): Initialize
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`header.type' instead of `header.offset'.
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* conf/powerpc-ieee1275.rmk (pkglib_MODULES): Add `memdisk.mod'.
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(memdisk_mod_SOURCES, memdisk_mod_CFLAGS)
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(memdisk_mod_LDFLAGS): New variables.
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* conf/i386-coreboot.rmk: Likewise.
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* conf/i386-ieee1275.rmk: Likewise.
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2008-08-02 Robert Millan <rmh@aybabtu.com>
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* loader/i386/pc/multiboot.c (playground, forward_relocator)
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@ -555,7 +555,7 @@ grub_emu_LDFLAGS = $(LIBCURSES)
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# Modules.
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pkglib_MODULES = _linux.mod linux.mod normal.mod \
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_multiboot.mod multiboot.mod aout.mod \
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play.mod cpuid.mod serial.mod ata.mod
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play.mod cpuid.mod serial.mod ata.mod memdisk.mod
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# For _linux.mod.
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_linux_mod_SOURCES = loader/i386/pc/linux.c
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@ -1458,4 +1458,61 @@ partmap-ata_mod-disk_ata.lst: disk/ata.c $(disk/ata.c_DEPENDENCIES) genpartmapli
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ata_mod_CFLAGS = $(COMMON_CFLAGS)
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ata_mod_LDFLAGS = $(COMMON_LDFLAGS)
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# For memdisk.mod.
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memdisk_mod_SOURCES = disk/memdisk.c
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CLEANFILES += memdisk.mod mod-memdisk.o mod-memdisk.c pre-memdisk.o memdisk_mod-disk_memdisk.o und-memdisk.lst
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ifneq ($(memdisk_mod_EXPORTS),no)
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CLEANFILES += def-memdisk.lst
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DEFSYMFILES += def-memdisk.lst
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endif
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MOSTLYCLEANFILES += memdisk_mod-disk_memdisk.d
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UNDSYMFILES += und-memdisk.lst
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memdisk.mod: pre-memdisk.o mod-memdisk.o $(TARGET_OBJ2ELF)
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-rm -f $@
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$(TARGET_CC) $(memdisk_mod_LDFLAGS) $(TARGET_LDFLAGS) $(MODULE_LDFLAGS) -Wl,-r,-d -o $@ pre-memdisk.o mod-memdisk.o
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if test ! -z $(TARGET_OBJ2ELF); then ./$(TARGET_OBJ2ELF) $@ || (rm -f $@; exit 1); fi
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$(STRIP) --strip-unneeded -K grub_mod_init -K grub_mod_fini -K _grub_mod_init -K _grub_mod_fini -R .note -R .comment $@
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pre-memdisk.o: $(memdisk_mod_DEPENDENCIES) memdisk_mod-disk_memdisk.o
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-rm -f $@
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$(TARGET_CC) $(memdisk_mod_LDFLAGS) $(TARGET_LDFLAGS) -Wl,-r,-d -o $@ memdisk_mod-disk_memdisk.o
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mod-memdisk.o: mod-memdisk.c
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$(TARGET_CC) $(TARGET_CPPFLAGS) $(TARGET_CFLAGS) $(memdisk_mod_CFLAGS) -c -o $@ $<
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mod-memdisk.c: moddep.lst genmodsrc.sh
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sh $(srcdir)/genmodsrc.sh 'memdisk' $< > $@ || (rm -f $@; exit 1)
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ifneq ($(memdisk_mod_EXPORTS),no)
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def-memdisk.lst: pre-memdisk.o
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$(NM) -g --defined-only -P -p $< | sed 's/^\([^ ]*\).*/\1 memdisk/' > $@
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endif
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und-memdisk.lst: pre-memdisk.o
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echo 'memdisk' > $@
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$(NM) -u -P -p $< | cut -f1 -d' ' >> $@
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memdisk_mod-disk_memdisk.o: disk/memdisk.c $(disk/memdisk.c_DEPENDENCIES)
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$(TARGET_CC) -Idisk -I$(srcdir)/disk $(TARGET_CPPFLAGS) $(TARGET_CFLAGS) $(memdisk_mod_CFLAGS) -MD -c -o $@ $<
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-include memdisk_mod-disk_memdisk.d
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CLEANFILES += cmd-memdisk_mod-disk_memdisk.lst fs-memdisk_mod-disk_memdisk.lst partmap-memdisk_mod-disk_memdisk.lst
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COMMANDFILES += cmd-memdisk_mod-disk_memdisk.lst
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FSFILES += fs-memdisk_mod-disk_memdisk.lst
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PARTMAPFILES += partmap-memdisk_mod-disk_memdisk.lst
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cmd-memdisk_mod-disk_memdisk.lst: disk/memdisk.c $(disk/memdisk.c_DEPENDENCIES) gencmdlist.sh
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set -e; $(TARGET_CC) -Idisk -I$(srcdir)/disk $(TARGET_CPPFLAGS) $(TARGET_CFLAGS) $(memdisk_mod_CFLAGS) -E $< | sh $(srcdir)/gencmdlist.sh memdisk > $@ || (rm -f $@; exit 1)
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fs-memdisk_mod-disk_memdisk.lst: disk/memdisk.c $(disk/memdisk.c_DEPENDENCIES) genfslist.sh
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set -e; $(TARGET_CC) -Idisk -I$(srcdir)/disk $(TARGET_CPPFLAGS) $(TARGET_CFLAGS) $(memdisk_mod_CFLAGS) -E $< | sh $(srcdir)/genfslist.sh memdisk > $@ || (rm -f $@; exit 1)
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partmap-memdisk_mod-disk_memdisk.lst: disk/memdisk.c $(disk/memdisk.c_DEPENDENCIES) genpartmaplist.sh
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set -e; $(TARGET_CC) -Idisk -I$(srcdir)/disk $(TARGET_CPPFLAGS) $(TARGET_CFLAGS) $(memdisk_mod_CFLAGS) -E $< | sh $(srcdir)/genpartmaplist.sh memdisk > $@ || (rm -f $@; exit 1)
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memdisk_mod_CFLAGS = $(COMMON_CFLAGS)
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memdisk_mod_LDFLAGS = $(COMMON_LDFLAGS)
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include $(srcdir)/conf/common.mk
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@ -94,7 +94,7 @@ grub_emu_LDFLAGS = $(LIBCURSES)
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# Modules.
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pkglib_MODULES = _linux.mod linux.mod normal.mod \
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_multiboot.mod multiboot.mod aout.mod \
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play.mod cpuid.mod serial.mod ata.mod
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play.mod cpuid.mod serial.mod ata.mod memdisk.mod
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# For _linux.mod.
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_linux_mod_SOURCES = loader/i386/pc/linux.c
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@ -154,4 +154,9 @@ ata_mod_SOURCES = disk/ata.c
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ata_mod_CFLAGS = $(COMMON_CFLAGS)
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ata_mod_LDFLAGS = $(COMMON_LDFLAGS)
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# For memdisk.mod.
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memdisk_mod_SOURCES = disk/memdisk.c
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memdisk_mod_CFLAGS = $(COMMON_CFLAGS)
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memdisk_mod_LDFLAGS = $(COMMON_LDFLAGS)
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include $(srcdir)/conf/common.mk
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@ -589,7 +589,7 @@ grub-install: util/ieee1275/grub-install.in $(util/ieee1275/grub-install.in_DEPE
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# Modules.
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pkglib_MODULES = normal.mod halt.mod reboot.mod suspend.mod cpuid.mod \
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multiboot.mod _multiboot.mod aout.mod serial.mod linux.mod \
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_linux.mod nand.mod
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_linux.mod nand.mod memdisk.mod
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# For normal.mod.
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normal_mod_SOURCES = normal/arg.c normal/cmdline.c normal/command.c \
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@ -1586,4 +1586,61 @@ partmap-nand_mod-disk_ieee1275_nand.lst: disk/ieee1275/nand.c $(disk/ieee1275/na
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nand_mod_CFLAGS = $(COMMON_CFLAGS)
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nand_mod_LDFLAGS = $(COMMON_LDFLAGS)
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# For memdisk.mod.
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memdisk_mod_SOURCES = disk/memdisk.c
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CLEANFILES += memdisk.mod mod-memdisk.o mod-memdisk.c pre-memdisk.o memdisk_mod-disk_memdisk.o und-memdisk.lst
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ifneq ($(memdisk_mod_EXPORTS),no)
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CLEANFILES += def-memdisk.lst
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DEFSYMFILES += def-memdisk.lst
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endif
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MOSTLYCLEANFILES += memdisk_mod-disk_memdisk.d
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UNDSYMFILES += und-memdisk.lst
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memdisk.mod: pre-memdisk.o mod-memdisk.o $(TARGET_OBJ2ELF)
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-rm -f $@
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$(TARGET_CC) $(memdisk_mod_LDFLAGS) $(TARGET_LDFLAGS) $(MODULE_LDFLAGS) -Wl,-r,-d -o $@ pre-memdisk.o mod-memdisk.o
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if test ! -z $(TARGET_OBJ2ELF); then ./$(TARGET_OBJ2ELF) $@ || (rm -f $@; exit 1); fi
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$(STRIP) --strip-unneeded -K grub_mod_init -K grub_mod_fini -K _grub_mod_init -K _grub_mod_fini -R .note -R .comment $@
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pre-memdisk.o: $(memdisk_mod_DEPENDENCIES) memdisk_mod-disk_memdisk.o
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-rm -f $@
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$(TARGET_CC) $(memdisk_mod_LDFLAGS) $(TARGET_LDFLAGS) -Wl,-r,-d -o $@ memdisk_mod-disk_memdisk.o
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mod-memdisk.o: mod-memdisk.c
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$(TARGET_CC) $(TARGET_CPPFLAGS) $(TARGET_CFLAGS) $(memdisk_mod_CFLAGS) -c -o $@ $<
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mod-memdisk.c: moddep.lst genmodsrc.sh
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sh $(srcdir)/genmodsrc.sh 'memdisk' $< > $@ || (rm -f $@; exit 1)
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ifneq ($(memdisk_mod_EXPORTS),no)
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def-memdisk.lst: pre-memdisk.o
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$(NM) -g --defined-only -P -p $< | sed 's/^\([^ ]*\).*/\1 memdisk/' > $@
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endif
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und-memdisk.lst: pre-memdisk.o
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echo 'memdisk' > $@
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$(NM) -u -P -p $< | cut -f1 -d' ' >> $@
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memdisk_mod-disk_memdisk.o: disk/memdisk.c $(disk/memdisk.c_DEPENDENCIES)
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$(TARGET_CC) -Idisk -I$(srcdir)/disk $(TARGET_CPPFLAGS) $(TARGET_CFLAGS) $(memdisk_mod_CFLAGS) -MD -c -o $@ $<
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-include memdisk_mod-disk_memdisk.d
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CLEANFILES += cmd-memdisk_mod-disk_memdisk.lst fs-memdisk_mod-disk_memdisk.lst partmap-memdisk_mod-disk_memdisk.lst
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COMMANDFILES += cmd-memdisk_mod-disk_memdisk.lst
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FSFILES += fs-memdisk_mod-disk_memdisk.lst
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PARTMAPFILES += partmap-memdisk_mod-disk_memdisk.lst
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cmd-memdisk_mod-disk_memdisk.lst: disk/memdisk.c $(disk/memdisk.c_DEPENDENCIES) gencmdlist.sh
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set -e; $(TARGET_CC) -Idisk -I$(srcdir)/disk $(TARGET_CPPFLAGS) $(TARGET_CFLAGS) $(memdisk_mod_CFLAGS) -E $< | sh $(srcdir)/gencmdlist.sh memdisk > $@ || (rm -f $@; exit 1)
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fs-memdisk_mod-disk_memdisk.lst: disk/memdisk.c $(disk/memdisk.c_DEPENDENCIES) genfslist.sh
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set -e; $(TARGET_CC) -Idisk -I$(srcdir)/disk $(TARGET_CPPFLAGS) $(TARGET_CFLAGS) $(memdisk_mod_CFLAGS) -E $< | sh $(srcdir)/genfslist.sh memdisk > $@ || (rm -f $@; exit 1)
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partmap-memdisk_mod-disk_memdisk.lst: disk/memdisk.c $(disk/memdisk.c_DEPENDENCIES) genpartmaplist.sh
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set -e; $(TARGET_CC) -Idisk -I$(srcdir)/disk $(TARGET_CPPFLAGS) $(TARGET_CFLAGS) $(memdisk_mod_CFLAGS) -E $< | sh $(srcdir)/genpartmaplist.sh memdisk > $@ || (rm -f $@; exit 1)
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memdisk_mod_CFLAGS = $(COMMON_CFLAGS)
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memdisk_mod_LDFLAGS = $(COMMON_LDFLAGS)
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include $(srcdir)/conf/common.mk
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@ -102,7 +102,7 @@ grub_install_SOURCES = util/ieee1275/grub-install.in
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# Modules.
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pkglib_MODULES = normal.mod halt.mod reboot.mod suspend.mod cpuid.mod \
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multiboot.mod _multiboot.mod aout.mod serial.mod linux.mod \
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_linux.mod nand.mod
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_linux.mod nand.mod memdisk.mod
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# For normal.mod.
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normal_mod_SOURCES = normal/arg.c normal/cmdline.c normal/command.c \
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@ -171,4 +171,9 @@ nand_mod_SOURCES = disk/ieee1275/nand.c
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nand_mod_CFLAGS = $(COMMON_CFLAGS)
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nand_mod_LDFLAGS = $(COMMON_LDFLAGS)
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# For memdisk.mod.
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memdisk_mod_SOURCES = disk/memdisk.c
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memdisk_mod_CFLAGS = $(COMMON_CFLAGS)
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memdisk_mod_LDFLAGS = $(COMMON_LDFLAGS)
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include $(srcdir)/conf/common.mk
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@ -583,7 +583,8 @@ pkglib_MODULES = halt.mod \
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reboot.mod \
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suspend.mod \
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_multiboot.mod \
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multiboot.mod
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multiboot.mod \
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memdisk.mod
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# For _linux.mod.
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_linux_mod_SOURCES = loader/powerpc/ieee1275/linux.c
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@ -1352,6 +1353,62 @@ partmap-multiboot_mod-loader_multiboot_loader_normal.lst: loader/multiboot_loade
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multiboot_mod_CFLAGS = $(COMMON_CFLAGS)
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multiboot_mod_LDFLAGS = $(COMMON_LDFLAGS)
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# For memdisk.mod.
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memdisk_mod_SOURCES = disk/memdisk.c
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CLEANFILES += memdisk.mod mod-memdisk.o mod-memdisk.c pre-memdisk.o memdisk_mod-disk_memdisk.o und-memdisk.lst
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ifneq ($(memdisk_mod_EXPORTS),no)
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CLEANFILES += def-memdisk.lst
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DEFSYMFILES += def-memdisk.lst
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endif
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MOSTLYCLEANFILES += memdisk_mod-disk_memdisk.d
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UNDSYMFILES += und-memdisk.lst
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memdisk.mod: pre-memdisk.o mod-memdisk.o $(TARGET_OBJ2ELF)
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-rm -f $@
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$(TARGET_CC) $(memdisk_mod_LDFLAGS) $(TARGET_LDFLAGS) $(MODULE_LDFLAGS) -Wl,-r,-d -o $@ pre-memdisk.o mod-memdisk.o
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if test ! -z $(TARGET_OBJ2ELF); then ./$(TARGET_OBJ2ELF) $@ || (rm -f $@; exit 1); fi
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$(STRIP) --strip-unneeded -K grub_mod_init -K grub_mod_fini -K _grub_mod_init -K _grub_mod_fini -R .note -R .comment $@
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pre-memdisk.o: $(memdisk_mod_DEPENDENCIES) memdisk_mod-disk_memdisk.o
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-rm -f $@
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$(TARGET_CC) $(memdisk_mod_LDFLAGS) $(TARGET_LDFLAGS) -Wl,-r,-d -o $@ memdisk_mod-disk_memdisk.o
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mod-memdisk.o: mod-memdisk.c
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$(TARGET_CC) $(TARGET_CPPFLAGS) $(TARGET_CFLAGS) $(memdisk_mod_CFLAGS) -c -o $@ $<
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mod-memdisk.c: moddep.lst genmodsrc.sh
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sh $(srcdir)/genmodsrc.sh 'memdisk' $< > $@ || (rm -f $@; exit 1)
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ifneq ($(memdisk_mod_EXPORTS),no)
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def-memdisk.lst: pre-memdisk.o
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$(NM) -g --defined-only -P -p $< | sed 's/^\([^ ]*\).*/\1 memdisk/' > $@
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endif
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und-memdisk.lst: pre-memdisk.o
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echo 'memdisk' > $@
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$(NM) -u -P -p $< | cut -f1 -d' ' >> $@
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memdisk_mod-disk_memdisk.o: disk/memdisk.c $(disk/memdisk.c_DEPENDENCIES)
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$(TARGET_CC) -Idisk -I$(srcdir)/disk $(TARGET_CPPFLAGS) $(TARGET_CFLAGS) $(memdisk_mod_CFLAGS) -MD -c -o $@ $<
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-include memdisk_mod-disk_memdisk.d
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|
||||
CLEANFILES += cmd-memdisk_mod-disk_memdisk.lst fs-memdisk_mod-disk_memdisk.lst partmap-memdisk_mod-disk_memdisk.lst
|
||||
COMMANDFILES += cmd-memdisk_mod-disk_memdisk.lst
|
||||
FSFILES += fs-memdisk_mod-disk_memdisk.lst
|
||||
PARTMAPFILES += partmap-memdisk_mod-disk_memdisk.lst
|
||||
|
||||
cmd-memdisk_mod-disk_memdisk.lst: disk/memdisk.c $(disk/memdisk.c_DEPENDENCIES) gencmdlist.sh
|
||||
set -e; $(TARGET_CC) -Idisk -I$(srcdir)/disk $(TARGET_CPPFLAGS) $(TARGET_CFLAGS) $(memdisk_mod_CFLAGS) -E $< | sh $(srcdir)/gencmdlist.sh memdisk > $@ || (rm -f $@; exit 1)
|
||||
|
||||
fs-memdisk_mod-disk_memdisk.lst: disk/memdisk.c $(disk/memdisk.c_DEPENDENCIES) genfslist.sh
|
||||
set -e; $(TARGET_CC) -Idisk -I$(srcdir)/disk $(TARGET_CPPFLAGS) $(TARGET_CFLAGS) $(memdisk_mod_CFLAGS) -E $< | sh $(srcdir)/genfslist.sh memdisk > $@ || (rm -f $@; exit 1)
|
||||
|
||||
partmap-memdisk_mod-disk_memdisk.lst: disk/memdisk.c $(disk/memdisk.c_DEPENDENCIES) genpartmaplist.sh
|
||||
set -e; $(TARGET_CC) -Idisk -I$(srcdir)/disk $(TARGET_CPPFLAGS) $(TARGET_CFLAGS) $(memdisk_mod_CFLAGS) -E $< | sh $(srcdir)/genpartmaplist.sh memdisk > $@ || (rm -f $@; exit 1)
|
||||
|
||||
|
||||
memdisk_mod_CFLAGS = $(COMMON_CFLAGS)
|
||||
memdisk_mod_LDFLAGS = $(COMMON_LDFLAGS)
|
||||
|
||||
include $(srcdir)/conf/common.mk
|
||||
|
||||
|
|
|
|||
|
|
@ -110,7 +110,8 @@ pkglib_MODULES = halt.mod \
|
|||
reboot.mod \
|
||||
suspend.mod \
|
||||
_multiboot.mod \
|
||||
multiboot.mod
|
||||
multiboot.mod \
|
||||
memdisk.mod
|
||||
|
||||
# For _linux.mod.
|
||||
_linux_mod_SOURCES = loader/powerpc/ieee1275/linux.c
|
||||
|
|
@ -159,6 +160,10 @@ multiboot_mod_SOURCES = loader/multiboot_loader_normal.c
|
|||
multiboot_mod_CFLAGS = $(COMMON_CFLAGS)
|
||||
multiboot_mod_LDFLAGS = $(COMMON_LDFLAGS)
|
||||
|
||||
# For memdisk.mod.
|
||||
memdisk_mod_SOURCES = disk/memdisk.c
|
||||
memdisk_mod_CFLAGS = $(COMMON_CFLAGS)
|
||||
memdisk_mod_LDFLAGS = $(COMMON_LDFLAGS)
|
||||
|
||||
include $(srcdir)/conf/common.mk
|
||||
|
||||
|
|
|
|||
|
|
@ -81,22 +81,31 @@ static struct grub_disk_dev grub_memdisk_dev =
|
|||
};
|
||||
|
||||
GRUB_MOD_INIT(memdisk)
|
||||
{
|
||||
auto int hook (struct grub_module_header *);
|
||||
int hook (struct grub_module_header *header)
|
||||
{
|
||||
if (header->type == OBJ_TYPE_MEMDISK)
|
||||
{
|
||||
char *memdisk_orig_addr;
|
||||
memdisk_orig_addr = (char *) header + sizeof (struct grub_module_header);
|
||||
|
||||
memdisk_size = grub_arch_memdisk_size ();
|
||||
if (! memdisk_size)
|
||||
return;
|
||||
|
||||
memdisk_orig_addr = (char *) grub_arch_memdisk_addr ();
|
||||
grub_dprintf ("memdisk", "Found memdisk image at %p\n", memdisk_orig_addr);
|
||||
|
||||
memdisk_size = header->size - sizeof (struct grub_module_header);
|
||||
memdisk_addr = grub_malloc (memdisk_size);
|
||||
|
||||
grub_dprintf ("memdisk", "Copying memdisk image to dynamic memory\n");
|
||||
grub_memmove (memdisk_addr, memdisk_orig_addr, memdisk_size);
|
||||
|
||||
grub_disk_dev_register (&grub_memdisk_dev);
|
||||
return 1;
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
grub_module_iterate (hook);
|
||||
}
|
||||
|
||||
GRUB_MOD_FINI(memdisk)
|
||||
|
|
|
|||
|
|
@ -34,14 +34,11 @@
|
|||
/* The offset of GRUB_INSTALL_BSD_PART. */
|
||||
#define GRUB_KERNEL_MACHINE_INSTALL_BSD_PART 0x18
|
||||
|
||||
/* The offset of GRUB_MEMDISK_IMAGE_SIZE. */
|
||||
#define GRUB_KERNEL_MACHINE_MEMDISK_IMAGE_SIZE 0x1c
|
||||
|
||||
/* The offset of GRUB_PREFIX. */
|
||||
#define GRUB_KERNEL_MACHINE_PREFIX 0x20
|
||||
#define GRUB_KERNEL_MACHINE_PREFIX 0x1c
|
||||
|
||||
/* End of the data section. */
|
||||
#define GRUB_KERNEL_MACHINE_DATA_END 0x60
|
||||
#define GRUB_KERNEL_MACHINE_DATA_END 0x5c
|
||||
|
||||
/* The size of the first region which won't be compressed. */
|
||||
#if defined(ENABLE_LZO)
|
||||
|
|
@ -67,9 +64,6 @@ extern grub_int32_t grub_install_dos_part;
|
|||
/* The BSD partition number of the installed partition. */
|
||||
extern grub_int32_t grub_install_bsd_part;
|
||||
|
||||
/* The size of memory disk image, if present. */
|
||||
extern grub_int32_t grub_memdisk_image_size;
|
||||
|
||||
/* The prefix which points to the directory where GRUB modules and its
|
||||
configuration file are located. */
|
||||
extern char grub_prefix[];
|
||||
|
|
@ -83,9 +77,6 @@ extern grub_int32_t grub_root_drive;
|
|||
/* The end address of the kernel. */
|
||||
extern grub_addr_t grub_end_addr;
|
||||
|
||||
extern grub_addr_t EXPORT_FUNC(grub_arch_memdisk_addr) (void);
|
||||
extern grub_off_t EXPORT_FUNC(grub_arch_memdisk_size) (void);
|
||||
|
||||
#endif /* ! ASM_FILE */
|
||||
|
||||
#endif /* ! KERNEL_MACHINE_HEADER */
|
||||
|
|
|
|||
|
|
@ -25,9 +25,15 @@
|
|||
/* The module header. */
|
||||
struct grub_module_header
|
||||
{
|
||||
/* The offset of object code. */
|
||||
grub_target_off_t offset;
|
||||
/* The size of object code plus this header. */
|
||||
/* The type of object. */
|
||||
grub_int8_t type;
|
||||
enum
|
||||
{
|
||||
OBJ_TYPE_ELF,
|
||||
OBJ_TYPE_MEMDISK,
|
||||
} grub_module_header_types;
|
||||
|
||||
/* The size of object (including this header). */
|
||||
grub_target_size_t size;
|
||||
};
|
||||
|
||||
|
|
@ -49,6 +55,8 @@ struct grub_module_info
|
|||
|
||||
extern grub_addr_t grub_arch_modules_addr (void);
|
||||
|
||||
extern void EXPORT_FUNC(grub_module_iterate) (int (*hook) (struct grub_module_header *));
|
||||
|
||||
/* The start point of the C code. */
|
||||
void grub_main (void);
|
||||
|
||||
|
|
|
|||
|
|
@ -50,7 +50,8 @@ grub_device_open (const char *name)
|
|||
disk = grub_disk_open (name);
|
||||
if (! disk)
|
||||
{
|
||||
grub_error (GRUB_ERR_BAD_DEVICE, "unknown device %s", name);
|
||||
grub_print_error ();
|
||||
grub_errno = GRUB_ERR_NONE;
|
||||
goto fail;
|
||||
}
|
||||
|
||||
|
|
|
|||
|
|
@ -249,22 +249,7 @@ grub_machine_fini (void)
|
|||
/* Return the end of the core image. */
|
||||
grub_addr_t
|
||||
grub_arch_modules_addr (void)
|
||||
{
|
||||
return grub_end_addr;
|
||||
}
|
||||
|
||||
/* Return the start of the memdisk image. */
|
||||
grub_addr_t
|
||||
grub_arch_memdisk_addr (void)
|
||||
{
|
||||
return GRUB_MEMORY_MACHINE_DECOMPRESSION_ADDR
|
||||
+ (grub_kernel_image_size - GRUB_KERNEL_MACHINE_RAW_SIZE)
|
||||
+ grub_total_module_size;
|
||||
}
|
||||
|
||||
/* Return the size of the memdisk image. */
|
||||
grub_off_t
|
||||
grub_arch_memdisk_size (void)
|
||||
{
|
||||
return grub_memdisk_image_size;
|
||||
+ (grub_kernel_image_size - GRUB_KERNEL_MACHINE_RAW_SIZE);
|
||||
}
|
||||
|
|
|
|||
|
|
@ -96,8 +96,6 @@ VARIABLE(grub_install_dos_part)
|
|||
.long 0xFFFFFFFF
|
||||
VARIABLE(grub_install_bsd_part)
|
||||
.long 0xFFFFFFFF
|
||||
VARIABLE(grub_memdisk_image_size)
|
||||
.long 0
|
||||
VARIABLE(grub_prefix)
|
||||
/* to be filled by grub-mkimage */
|
||||
|
||||
|
|
@ -211,7 +209,6 @@ codestart:
|
|||
call lzo1x_decompress
|
||||
addl $12, %esp
|
||||
|
||||
/* copy back the decompressed part */
|
||||
movl %eax, %ecx
|
||||
cld
|
||||
#elif defined(ENABLE_LZMA)
|
||||
|
|
@ -221,19 +218,22 @@ codestart:
|
|||
pushl %esi
|
||||
movl EXT_C(grub_kernel_image_size), %ecx
|
||||
addl EXT_C(grub_total_module_size), %ecx
|
||||
addl EXT_C(grub_memdisk_image_size), %ecx
|
||||
subl $GRUB_KERNEL_MACHINE_RAW_SIZE, %ecx
|
||||
pushl %ecx
|
||||
leal (%edi, %ecx), %ebx
|
||||
call _LzmaDecodeA
|
||||
/* _LzmaDecodeA clears DF, so no need to run cld */
|
||||
popl %ecx
|
||||
popl %edi
|
||||
popl %esi
|
||||
#endif
|
||||
|
||||
/* copy back the decompressed part (except the modules) */
|
||||
subl EXT_C(grub_total_module_size), %ecx
|
||||
rep
|
||||
movsb
|
||||
|
||||
#if 0
|
||||
/* copy modules before cleaning out the bss */
|
||||
movl EXT_C(grub_total_module_size), %ecx
|
||||
movl EXT_C(grub_kernel_image_size), %esi
|
||||
|
|
@ -246,6 +246,7 @@ codestart:
|
|||
std
|
||||
rep
|
||||
movsb
|
||||
#endif
|
||||
|
||||
/* clean out the bss */
|
||||
movl $BSS_START_SYMBOL, %edi
|
||||
|
|
|
|||
33
kern/main.c
33
kern/main.c
|
|
@ -19,7 +19,6 @@
|
|||
|
||||
#include <grub/kernel.h>
|
||||
#include <grub/misc.h>
|
||||
#include <grub/mm.h>
|
||||
#include <grub/symbol.h>
|
||||
#include <grub/dl.h>
|
||||
#include <grub/term.h>
|
||||
|
|
@ -28,9 +27,8 @@
|
|||
#include <grub/device.h>
|
||||
#include <grub/env.h>
|
||||
|
||||
/* Load all modules in core. */
|
||||
static void
|
||||
grub_load_modules (void)
|
||||
void
|
||||
grub_module_iterate (int (*hook) (struct grub_module_header *header))
|
||||
{
|
||||
struct grub_module_info *modinfo;
|
||||
struct grub_module_header *header;
|
||||
|
|
@ -47,13 +45,30 @@ grub_load_modules (void)
|
|||
header < (struct grub_module_header *) (modbase + modinfo->size);
|
||||
header = (struct grub_module_header *) ((char *) header + header->size))
|
||||
{
|
||||
if (! grub_dl_load_core ((char *) header + header->offset,
|
||||
(header->size - header->offset)))
|
||||
grub_fatal ("%s", grub_errmsg);
|
||||
if (hook (header))
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
/* Add the region where modules reside into dynamic memory. */
|
||||
grub_mm_init_region ((void *) modinfo, modinfo->size);
|
||||
/* Load all modules in core. */
|
||||
static void
|
||||
grub_load_modules (void)
|
||||
{
|
||||
auto int hook (struct grub_module_header *);
|
||||
int hook (struct grub_module_header *header)
|
||||
{
|
||||
/* Not an ELF module, skip. */
|
||||
if (header->type != OBJ_TYPE_ELF)
|
||||
return 0;
|
||||
|
||||
if (! grub_dl_load_core ((char *) header + sizeof (struct grub_module_header),
|
||||
(header->size - sizeof (struct grub_module_header))))
|
||||
grub_fatal ("%s", grub_errmsg);
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
grub_module_iterate (hook);
|
||||
}
|
||||
|
||||
/* Write hook for the environment variables of root. Remove surrounding
|
||||
|
|
|
|||
|
|
@ -97,19 +97,26 @@ load_note (Elf32_Phdr *phdr, FILE *out)
|
|||
|
||||
void
|
||||
load_modules (grub_addr_t modbase, Elf32_Phdr *phdr, const char *dir,
|
||||
char *mods[], FILE *out)
|
||||
char *mods[], FILE *out, char *memdisk_path)
|
||||
{
|
||||
char *module_img;
|
||||
struct grub_util_path_list *path_list;
|
||||
struct grub_util_path_list *p;
|
||||
struct grub_module_info *modinfo;
|
||||
size_t offset;
|
||||
size_t total_module_size;
|
||||
size_t offset, total_module_size, memdisk_size;
|
||||
|
||||
path_list = grub_util_resolve_dependencies (dir, "moddep.lst", mods);
|
||||
|
||||
offset = sizeof (struct grub_module_info);
|
||||
total_module_size = sizeof (struct grub_module_info);
|
||||
|
||||
if (memdisk_path)
|
||||
{
|
||||
memdisk_size = ALIGN_UP(grub_util_get_image_size (memdisk_path), 512);
|
||||
grub_util_info ("the size of memory disk is 0x%x", memdisk_size);
|
||||
total_module_size += memdisk_size + sizeof (struct grub_module_header);
|
||||
}
|
||||
|
||||
for (p = path_list; p; p = p->next)
|
||||
{
|
||||
total_module_size += (grub_util_get_image_size (p->name)
|
||||
|
|
@ -135,7 +142,7 @@ load_modules (grub_addr_t modbase, Elf32_Phdr *phdr, const char *dir,
|
|||
mod_size = grub_util_get_image_size (p->name);
|
||||
|
||||
header = (struct grub_module_header *) (module_img + offset);
|
||||
header->offset = grub_host_to_target32 (sizeof (*header));
|
||||
header->type = grub_host_to_target32 (OBJ_TYPE_ELF);
|
||||
header->size = grub_host_to_target32 (mod_size + sizeof (*header));
|
||||
|
||||
grub_util_load_image (p->name, module_img + offset + sizeof (*header));
|
||||
|
|
@ -143,6 +150,20 @@ load_modules (grub_addr_t modbase, Elf32_Phdr *phdr, const char *dir,
|
|||
offset += sizeof (*header) + mod_size;
|
||||
}
|
||||
|
||||
if (memdisk_path)
|
||||
{
|
||||
struct grub_module_header *header;
|
||||
|
||||
header = (struct grub_module_header *) (module_img + offset);
|
||||
header->type = grub_cpu_to_le32 (OBJ_TYPE_MEMDISK);
|
||||
header->size = grub_cpu_to_le32 (memdisk_size + sizeof (*header));
|
||||
offset += sizeof (*header);
|
||||
|
||||
grub_util_load_image (memdisk_path, module_img + offset);
|
||||
offset += memdisk_size;
|
||||
}
|
||||
|
||||
|
||||
/* Write the module data to the new segment. */
|
||||
grub_util_write_image_at (module_img, total_module_size,
|
||||
grub_host_to_target32 (phdr->p_offset), out);
|
||||
|
|
@ -158,7 +179,7 @@ load_modules (grub_addr_t modbase, Elf32_Phdr *phdr, const char *dir,
|
|||
}
|
||||
|
||||
void
|
||||
add_segments (char *dir, char *prefix, FILE *out, int chrp, char *mods[])
|
||||
add_segments (char *dir, char *prefix, FILE *out, int chrp, char *mods[], char *memdisk_path)
|
||||
{
|
||||
Elf32_Ehdr ehdr;
|
||||
Elf32_Phdr *phdrs = NULL;
|
||||
|
|
@ -247,7 +268,7 @@ add_segments (char *dir, char *prefix, FILE *out, int chrp, char *mods[])
|
|||
phdr->p_offset = grub_host_to_target32 (ALIGN_UP (grub_util_get_fp_size (out),
|
||||
GRUB_TARGET_SIZEOF_LONG));
|
||||
|
||||
load_modules (modbase, phdr, dir, mods, out);
|
||||
load_modules (modbase, phdr, dir, mods, out, memdisk_path);
|
||||
}
|
||||
|
||||
if (chrp)
|
||||
|
|
@ -289,6 +310,7 @@ static struct option options[] =
|
|||
{
|
||||
{"directory", required_argument, 0, 'd'},
|
||||
{"prefix", required_argument, 0, 'p'},
|
||||
{"memdisk", required_argument, 0, 'm'},
|
||||
{"output", required_argument, 0, 'o'},
|
||||
{"help", no_argument, 0, 'h'},
|
||||
{"note", no_argument, 0, 'n'},
|
||||
|
|
@ -310,6 +332,7 @@ Make a bootable image of GRUB.\n\
|
|||
\n\
|
||||
-d, --directory=DIR use images and modules under DIR [default=%s]\n\
|
||||
-p, --prefix=DIR set grub_prefix directory\n\
|
||||
-m, --memdisk=FILE embed FILE as a memdisk image\n\
|
||||
-o, --output=FILE output a generated image to FILE\n\
|
||||
-h, --help display this message and exit\n\
|
||||
-n, --note add NOTE segment for CHRP Open Firmware\n\
|
||||
|
|
@ -329,13 +352,14 @@ main (int argc, char *argv[])
|
|||
char *output = NULL;
|
||||
char *dir = NULL;
|
||||
char *prefix = NULL;
|
||||
char *memdisk = NULL;
|
||||
int chrp = 0;
|
||||
|
||||
progname = "grub-mkimage";
|
||||
|
||||
while (1)
|
||||
{
|
||||
int c = getopt_long (argc, argv, "d:p:o:hVvn", options, 0);
|
||||
int c = getopt_long (argc, argv, "d:p:m:o:hVvn", options, 0);
|
||||
if (c == -1)
|
||||
break;
|
||||
|
||||
|
|
@ -350,6 +374,16 @@ main (int argc, char *argv[])
|
|||
if (prefix)
|
||||
free (prefix);
|
||||
prefix = xstrdup (optarg);
|
||||
break;
|
||||
case 'm':
|
||||
if (memdisk)
|
||||
free (memdisk);
|
||||
memdisk = xstrdup (optarg);
|
||||
|
||||
if (prefix)
|
||||
free (prefix);
|
||||
prefix = xstrdup ("(memdisk)/boot/grub");
|
||||
|
||||
break;
|
||||
case 'h':
|
||||
usage (0);
|
||||
|
|
@ -381,7 +415,7 @@ main (int argc, char *argv[])
|
|||
if (! fp)
|
||||
grub_util_error ("cannot open %s", output);
|
||||
|
||||
add_segments (dir ? : GRUB_LIBDIR, prefix, fp, chrp, argv + optind);
|
||||
add_segments (dir ? : GRUB_LIBDIR, prefix, fp, chrp, argv + optind, memdisk);
|
||||
|
||||
fclose (fp);
|
||||
|
||||
|
|
|
|||
|
|
@ -716,7 +716,7 @@ make_mods_section (FILE *out, Elf_Addr current_address,
|
|||
grub_util_info ("adding module %s", p->name);
|
||||
|
||||
mod_size = grub_util_get_image_size (p->name);
|
||||
header.offset = grub_cpu_to_le32 (sizeof (header));
|
||||
header.type = grub_cpu_to_le32 (OBJ_TYPE_ELF);
|
||||
header.size = grub_cpu_to_le32 (mod_size + sizeof (header));
|
||||
|
||||
mod_image = grub_util_read_image (p->name);
|
||||
|
|
|
|||
|
|
@ -146,19 +146,21 @@ generate_image (const char *dir, char *prefix, FILE *out, char *mods[], char *me
|
|||
kernel_size = grub_util_get_image_size (kernel_path);
|
||||
|
||||
total_module_size = sizeof (struct grub_module_info);
|
||||
|
||||
if (memdisk_path)
|
||||
{
|
||||
memdisk_size = ALIGN_UP(grub_util_get_image_size (memdisk_path), 512);
|
||||
grub_util_info ("the size of memory disk is 0x%x", memdisk_size);
|
||||
total_module_size += memdisk_size + sizeof (struct grub_module_header);
|
||||
}
|
||||
|
||||
for (p = path_list; p; p = p->next)
|
||||
total_module_size += (grub_util_get_image_size (p->name)
|
||||
+ sizeof (struct grub_module_header));
|
||||
|
||||
grub_util_info ("the total module size is 0x%x", total_module_size);
|
||||
|
||||
if (memdisk_path)
|
||||
{
|
||||
memdisk_size = ALIGN_UP(grub_util_get_image_size (memdisk_path), 512);
|
||||
grub_util_info ("the size of memory disk is 0x%x", memdisk_size);
|
||||
}
|
||||
|
||||
kernel_img = xmalloc (kernel_size + total_module_size + memdisk_size);
|
||||
kernel_img = xmalloc (kernel_size + total_module_size);
|
||||
grub_util_load_image (kernel_path, kernel_img);
|
||||
|
||||
if (GRUB_KERNEL_MACHINE_PREFIX + strlen (prefix) + 1 > GRUB_KERNEL_MACHINE_DATA_END)
|
||||
|
|
@ -180,7 +182,7 @@ generate_image (const char *dir, char *prefix, FILE *out, char *mods[], char *me
|
|||
mod_size = grub_util_get_image_size (p->name);
|
||||
|
||||
header = (struct grub_module_header *) (kernel_img + offset);
|
||||
header->offset = grub_cpu_to_le32 (sizeof (*header));
|
||||
header->type = grub_cpu_to_le32 (OBJ_TYPE_ELF);
|
||||
header->size = grub_cpu_to_le32 (mod_size + sizeof (*header));
|
||||
offset += sizeof (*header);
|
||||
|
||||
|
|
@ -190,11 +192,18 @@ generate_image (const char *dir, char *prefix, FILE *out, char *mods[], char *me
|
|||
|
||||
if (memdisk_path)
|
||||
{
|
||||
struct grub_module_header *header;
|
||||
|
||||
header = (struct grub_module_header *) (kernel_img + offset);
|
||||
header->type = grub_cpu_to_le32 (OBJ_TYPE_MEMDISK);
|
||||
header->size = grub_cpu_to_le32 (memdisk_size + sizeof (*header));
|
||||
offset += sizeof (*header);
|
||||
|
||||
grub_util_load_image (memdisk_path, kernel_img + offset);
|
||||
offset += memdisk_size;
|
||||
}
|
||||
|
||||
compress_kernel (kernel_img, kernel_size + total_module_size + memdisk_size,
|
||||
compress_kernel (kernel_img, kernel_size + total_module_size,
|
||||
&core_img, &core_size);
|
||||
|
||||
grub_util_info ("the core size is 0x%x", core_size);
|
||||
|
|
@ -229,8 +238,6 @@ generate_image (const char *dir, char *prefix, FILE *out, char *mods[], char *me
|
|||
= grub_cpu_to_le32 (total_module_size);
|
||||
*((grub_uint32_t *) (core_img + GRUB_KERNEL_MACHINE_KERNEL_IMAGE_SIZE))
|
||||
= grub_cpu_to_le32 (kernel_size);
|
||||
*((grub_uint32_t *) (core_img + GRUB_KERNEL_MACHINE_MEMDISK_IMAGE_SIZE))
|
||||
= grub_cpu_to_le32 (memdisk_size);
|
||||
*((grub_uint32_t *) (core_img + GRUB_KERNEL_MACHINE_COMPRESSED_SIZE))
|
||||
= grub_cpu_to_le32 (core_size - GRUB_KERNEL_MACHINE_RAW_SIZE);
|
||||
|
||||
|
|
|
|||
Loading…
Reference in a new issue