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2008-01-31 Bean <bean123ch@gmail.com>

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* conf/i386-pc.rmk (pkglib_IMAGES): Add cdboot.img.
        (cdboot_img_SOURCES): New variable.
        (cdboot_img_ASFLAGS): New variable.
        (cdboot_img_LDFLAGS): New variable.

        * boot/i386/pc/cdboot.S: New file.

        * disk/i386/pc/biosdisk.c (cd_start): New variable.
        (cd_count): Likewise.
        (grub_biosdisk_get_drive): Add support for cd device.
        (grub_biosdisk_call_hook): Likewise.
        (grub_biosdisk_iterate): Likewise.
        (grub_biosdisk_open): Likewise.
        (GRUB_BIOSDISK_CDROM_RETRY_COUNT): New macro.
        (grub_biosdisk_rw): Support reading from cd device.
        (GRUB_MOD_INIT): Iterate cd devices.

        * include/grub/i386/pc/biosdisk.h (GRUB_BIOSDISK_FLAG_CDROM): New macro.
        (GRUB_BIOSDISK_MACHINE_CDROM_START): Likewise.
        (GRUB_BIOSDISK_MACHINE_CDROM_END): Likewise.

        * kern/i386/pc/init.c (make_install_device): Check for cd device.
This commit is contained in:
bean 2008-02-03 08:27:15 +00:00
parent 4020aa53c0
commit 9be665dd11
7 changed files with 317 additions and 26 deletions
Download patch file Download diff file Expand all files Collapse all files

21
conf/i386-pc.mk
View file

@ -11,7 +11,8 @@ normal/execute.c_DEPENDENCIES = grub_script.tab.h
normal/command.c_DEPENDENCIES = grub_script.tab.h
# Images.
pkglib_IMAGES = boot.img diskboot.img kernel.img pxeboot.img lnxboot.img
pkglib_IMAGES = boot.img diskboot.img kernel.img pxeboot.img lnxboot.img \
cdboot.img
# For boot.img.
boot_img_SOURCES = boot/i386/pc/boot.S
@ -85,6 +86,24 @@ lnxboot_img-boot_i386_pc_lnxboot.o: boot/i386/pc/lnxboot.S $(boot/i386/pc/lnxboo
lnxboot_img_ASFLAGS = $(COMMON_ASFLAGS)
lnxboot_img_LDFLAGS = $(COMMON_LDFLAGS) -Wl,-N,-Ttext,6000
# For cdboot.img.
cdboot_img_SOURCES = boot/i386/pc/cdboot.S
CLEANFILES += cdboot.img cdboot.exec cdboot_img-boot_i386_pc_cdboot.o
MOSTLYCLEANFILES += cdboot_img-boot_i386_pc_cdboot.d
cdboot.img: cdboot.exec
$(OBJCOPY) -O binary -R .note -R .comment $< $@
cdboot.exec: cdboot_img-boot_i386_pc_cdboot.o
$(TARGET_CC) -o $@ $^ $(TARGET_LDFLAGS) $(cdboot_img_LDFLAGS)
cdboot_img-boot_i386_pc_cdboot.o: boot/i386/pc/cdboot.S $(boot/i386/pc/cdboot.S_DEPENDENCIES)
$(TARGET_CC) -Iboot/i386/pc -I$(srcdir)/boot/i386/pc $(TARGET_CPPFLAGS) -DASM_FILE=1 $(TARGET_ASFLAGS) $(cdboot_img_ASFLAGS) -MD -c -o $@ $<
-include cdboot_img-boot_i386_pc_cdboot.d
cdboot_img_ASFLAGS = $(COMMON_ASFLAGS)
cdboot_img_LDFLAGS = $(COMMON_LDFLAGS) -Wl,-N,-Ttext,7C00
# For kernel.img.
kernel_img_SOURCES = kern/i386/pc/startup.S kern/main.c kern/device.c \
kern/disk.c kern/dl.c kern/file.c kern/fs.c kern/err.c \

8
conf/i386-pc.rmk
View file

@ -11,7 +11,8 @@ normal/execute.c_DEPENDENCIES = grub_script.tab.h
normal/command.c_DEPENDENCIES = grub_script.tab.h
# Images.
pkglib_IMAGES = boot.img diskboot.img kernel.img pxeboot.img lnxboot.img
pkglib_IMAGES = boot.img diskboot.img kernel.img pxeboot.img lnxboot.img \
cdboot.img
# For boot.img.
boot_img_SOURCES = boot/i386/pc/boot.S
@ -33,6 +34,11 @@ lnxboot_img_SOURCES = boot/i386/pc/lnxboot.S
lnxboot_img_ASFLAGS = $(COMMON_ASFLAGS)
lnxboot_img_LDFLAGS = $(COMMON_LDFLAGS) -Wl,-N,-Ttext,6000
# For cdboot.img.
cdboot_img_SOURCES = boot/i386/pc/cdboot.S
cdboot_img_ASFLAGS = $(COMMON_ASFLAGS)
cdboot_img_LDFLAGS = $(COMMON_LDFLAGS) -Wl,-N,-Ttext,7C00
# For kernel.img.
kernel_img_SOURCES = kern/i386/pc/startup.S kern/main.c kern/device.c \
kern/disk.c kern/dl.c kern/file.c kern/fs.c kern/err.c \