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2008-01-21 Robert Millan <rmh@aybabtu.com>

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* conf/i386-pc.rmk (kernel_img_HEADERS): Add `machine/kernel.h'.
        (pkglib_MODULES): Add `memdisk.mod'.
        (memdisk_mod_SOURCES): New variable.
        (memdisk_mod_CFLAGS): Likewise.
        (memdisk_mod_LDFLAGS): Likewise.

        * disk/memdisk.c: New file.

        * include/grub/disk.h (grub_disk_dev_id): Add
        `GRUB_DISK_DEVICE_MEMDISK_ID'.

        * include/grub/i386/pc/kernel.h
        (GRUB_KERNEL_MACHINE_MEMDISK_IMAGE_SIZE): New macro.
        (GRUB_KERNEL_MACHINE_PREFIX): Increment by 4.
        (grub_kernel_image_size): New variable declaration.
        (grub_total_module_size): Likewise.
        (grub_memdisk_image_size): Likewise.

        * include/grub/i386/pc/memory.h
        (GRUB_MEMORY_MACHINE_DECOMPRESSION_ADDR): New macro.

        * include/grub/kernel.h: Include `<grub/symbol.h>'.
        (grub_arch_memdisk_addr): New variable declaration.
        (grub_arch_memdisk_size): Likewise.

        * kern/i386/pc/init.c (grub_arch_memdisk_addr): New function.
        (grub_arch_memdisk_size): Likewise.

        * kern/i386/pc/startup.S (grub_memdisk_image_size): New variable.
        (codestart): Replace hardcoded `0x100000' with
        `GRUB_MEMORY_MACHINE_DECOMPRESSION_ADDR' macro.

        * util/i386/pc/grub-mkimage.c: Include `<grub/misc.h>'.
        (generate_image): Add `memdisk_path' parameter.  When `memdisk_path' is
        not NULL, append the contents of the file it refers to, at the end of
        the compressed kernel image.  Initialize `grub_memdisk_image_size'
        variable (at `GRUB_KERNEL_MACHINE_MEMDISK_IMAGE_SIZE' offset).
        (options): Add "memdisk"|'m' option.
        (main): Parse --memdisk|-m option, and pass user-provided path as
        parameter to generate_image().
This commit is contained in:
robertmh 2008-01-20 23:20:36 +00:00
parent 3d7f54c94d
commit 55a581dc06
11 changed files with 272 additions and 16 deletions
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9
conf/i386-pc.rmk
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@ -39,7 +39,7 @@ kernel_img_HEADERS = arg.h boot.h cache.h device.h disk.h dl.h elf.h elfload.h \
env.h err.h file.h fs.h kernel.h loader.h misc.h mm.h net.h parser.h \
partition.h pc_partition.h rescue.h symbol.h term.h time.h types.h \
machine/biosdisk.h machine/boot.h machine/console.h machine/init.h \
machine/memory.h machine/loader.h machine/vga.h machine/vbe.h
machine/memory.h machine/loader.h machine/vga.h machine/vbe.h machine/kernel.h
kernel_img_CFLAGS = $(COMMON_CFLAGS)
kernel_img_ASFLAGS = $(COMMON_ASFLAGS)
kernel_img_LDFLAGS = $(COMMON_LDFLAGS) -Wl,-N,-Ttext,8200 $(COMMON_CFLAGS)
@ -136,7 +136,7 @@ pkglib_MODULES = biosdisk.mod _chain.mod _linux.mod linux.mod normal.mod \
_multiboot.mod chain.mod multiboot.mod reboot.mod halt.mod \
vbe.mod vbetest.mod vbeinfo.mod video.mod gfxterm.mod \
videotest.mod play.mod bitmap.mod tga.mod cpuid.mod serial.mod \
ata.mod vga.mod
ata.mod vga.mod memdisk.mod
# For biosdisk.mod.
biosdisk_mod_SOURCES = disk/i386/pc/biosdisk.c
@ -264,4 +264,9 @@ vga_mod_SOURCES = term/i386/pc/vga.c
vga_mod_CFLAGS = $(COMMON_CFLAGS)
vga_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