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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
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4
include/grub/i386/pc/biosdisk.h
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@ -23,6 +23,10 @@
#include <grub/types.h>
#define GRUB_BIOSDISK_FLAG_LBA 1
#define GRUB_BIOSDISK_FLAG_CDROM 2
#define GRUB_BIOSDISK_MACHINE_CDROM_START 0xe0
#define GRUB_BIOSDISK_MACHINE_CDROM_END 0xf0
struct grub_biosdisk_data
{