* util/hostdisk.c [__FreeBSD__]: Include sys/disk.h.
(grub_util_biosdisk_open) [__FreeBSD__]: Add support for
FreeBSD. Check if a device is a character device. Use
DIOCGMEDIASIZE to get the size.
(convert_system_partition_to_system_disk) [__FreeBSD__]: Add
support for FreeBSD.
(grub_util_biosdisk_get_grub_dev) [__FreeBSD__]: Check if OS_DEV
is a character device instead of a block device. Add support for
FreeBSD device names.
* util/getroot.c (find_root_device) [__FreeBSD__]: Check if ENT is
a character device instead of a block device.
(grub_util_check_char_device): New function.
* util/grub-probe.c (probe) [__FreeBSD__]: Check if DEVICE_NAME is
a character device instead of a block device.
* include/grub/util/getroot.h (grub_util_check_char_device): New
prototype.
slots are of type grub_ieee1275_cell_t.
(grub_nand_read): Likewise.
* kern/ieee1275/ieee1275.c (IEEE1275_PHANDLE_INVALID,
IEEE1275_IHANDLE_INVALID): Use grub_ieee1275_cell_t since these
macros are used to compare values in arg/ret block of the call.
(grub_ieee1275_finddevice, grub_ieee1275_get_property,
grub_ieee1275_next_property, grub_ieee1275_get_property_length,
grub_ieee1275_instance_to_package, grub_ieee1275_package_to_path,
grub_ieee1275_instance_to_path, grub_ieee1275_write,
grub_ieee1275_read, grub_ieee1275_seek, grub_ieee1275_peer,
grub_ieee1275_child, grub_ieee1275_parent, grub_ieee1275_open,
grub_ieee1275_close, grub_ieee1275_set_property,
grub_ieee1275_set_color): All ieee1275 call arg slots are of type
grub_ieee1275_cell_t.
* kern/ieee1275/openfw.c (grub_map): Likewise.
* include/grub/ieee1275/ieee1275.h (grub_ieee1275_ihandle_t,
grub_ieee1275_phandle_t): Define as grub_unit32_t type.
* include/grub/misc.h (ARRAY_SIZE): New macro.
* include/grub/i386/linux.h (GRUB_LINUX_VID_MODE_VESA_START):
New macro.
* loader/i386/linux.c (allocate_pages): Use free_pages().
(grub_linux_unload): Don't use free_pages().
(grub_linux_boot): Prevent accessing linux_vesafb_modes with a
wrong index. Treat all other modes as text modes.
(grub_cmd_linux): Initialize vid_mode unconditionally to
GRUB_LINUX_VID_MODE_NORMAL. Recognize and support "vga=ask".
Support for mtime and further expandability of dir command
* include/grub/lib/datetime.h: moved to ...
* include/grub/datetime.h: ... moved here and added
declaration of grub_unixtime2datetime. All users updated
* include/grub/fs.h: new syntax for dir and mtime functionin
struct grub_fs
* include/grub/fshelp.h: new declarations of GRUB_FSHELP_TYPE_MASK
and GRUB_FSHELP_FLAGS_MASK
* commands/ls.c (grub_ls_list_files): Write mtime in long format
* fs/ext2.c (grub_ext2_dir): use new dir syntax and supply mtime
(grub_ext2_mtime): new function
* fs/hfsplus.c (grub_hfsplus_dir): use new dir syntax and supply mtime
(grub_hfsplus_mtime): new function
* fs/ufs.c (GRUB_UFS_ATTR_TYPE): new definition
(GRUB_UFS_ATTR_FILE): likewise
(GRUB_UFS_ATTR_LNK): likewise
(struct grub_ufs_sblock): new fields mtime
(grub_ufs_read_inode): new parameter to read inode to a separate buffer
all users updated
(grub_ufs_dir): mtime support
(grub_ufs_mtime): new function
* fs/affs.c (grub_affs_dir): use new dir syntax
* fs/afs.c (grub_afs_dir): likewise
* fs/cpio.c (grub_cpio_dir): likewise
* fs/fat.c (grub_fat_find_dir): likewise
* fs/hfs.c (grub_hfs_dir): likewise
* fs/iso9660.c (grub_iso9660_dir): likewise
* fs/jfs.c (grub_jfs_dir): likewise
* fs/minix.c (grub_minix_dir): likewise
* fs/ntfs.c (grub_ntfs_dir): likewise
* fs/reiserfs.c (grub_reiserfs_dir): likewise
* fs/sfs.c (grub_sfs_dir): likewise
* fs/xfs.c (grub_xfs_dir): likewise
* util/hostfs.c (grub_hostfs_dir): likewise
* lib/datetime.c: moved to ...
* normal/datetime.c: ... moved here
(grub_unixtime2datetime): new function
* kern/rescue.c (grub_rescue_print_files): use new dir syntax
* normal/completition.c (iterate_dir): use new dir syntax
* normal/misc.c (grub_normal_print_device_info): tell the
last modification time of a volume
* kern/fs.c (grub_fs_probe): updated dummy function to use new syntax
* conf/common.rmk: added lib/datetime.c to ls.mod
* conf/i386-coreboot.rmk (grub_emu_SOURCES): add normal/datetime.c
(normal_mod_SOURCES): likewise
(datetime_mod_SOURCES): Removed lib/datetime.c
* conf/i386-efi.rmk: likewise
* conf/i386-ieee1275.rmk: likewise
* conf/i386-pc.rmk: likewise
* conf/powerpc-ieee1275.rmk: likewise
* conf/sparc64-ieee1275.rmk: likewise
* conf/x86_64-efi.rmk: likewise
Make the format of Environment Block plain text. The boot loader
part is not tested well yet.
* util/grub-editenv.c (DEFAULT_ENVBLK_SIZE): New macro.
(buffer): Removed.
(envblk): Likewise.
(usage): Remove "info" and "clear". Add "unset". Update the
description of "set", as this does not delete variables any
longer.
(create_envblk_file): Complete rewrite.
(open_envblk_file): Likewise.
(cmd_info): Removed.
(cmd_list): Likewise.
(cmd_set): Likewise.
(cmd_clear): Likewise.
(list_variables): New function.
(write_envblk): Likewise.
(set_variables): Likewise.
(unset_variables): Likewise.
(main): Complete rewrite.
* commands/loadenv.c (buffer): Removed.
(envblk): Likewise.
(open_envblk_file): New function.
(read_envblk_file): Complete rewrite.
(grub_cmd_load_env): Likewise.
(grub_cmd_list_env): Likewise.
(struct blocklist): New struct.
(free_blocklists): New function.
(check_blocklists): Likewise.
(write_blocklists): Likewise.
(grub_cmd_save_env): Complete rewrite.
* include/grub/lib/envblk.h (GRUB_ENVBLK_SIGNATURE): Replaced with
a plain text signature.
(GRUB_ENVBLK_MAXLEN): Removed.
(struct grub_envblk): Complete rewrite.
(grub_envblk_find): Removed.
(grub_envblk_insert): Likewise.
(grub_envblk_open): New prototype.
(grub_envblk_set): Likewise.
(grub_envblk_delete): Put const to VALUE.
(grub_envblk_iterate): Put const to NAME and VALUE.
(grub_envblk_close): New prototype.
(grub_envblk_buffer): New inline function.
(grub_envblk_size): Likewise.
* lib/envblk.c: Include grub/mm.h.
(grub_env_find): Removed.
(grub_envblk_open): New function.
(grub_envblk_close): Likewise.
(escaped_value_len): Likewise.
(find_next_line): Likewise.
(grub_envblk_insert): Removed.
(grub_envblk_set): New function.
(grub_envblk_delete): Complete rewrite.
(grub_envblk_iterate): Likewise.
* kern/env.c (grub_env_context_open): Added an argument to specify
whether a new context inherits exported variables from current
one. This is useful when making a sandbox to interpret a config
file.
All callers updated.
* include/grub/env.h (grub_env_context_open): Updated the prototype.
* normal/main.c (grub_normal_execute): Added an argument
BATCH to specify if an interactive interface should be provided
after reading a config file.
All callers updated.
(read_command_list): Prevent being executed twice.
(read_fs_list): Likewise.
* include/grub/normal.h (grub_normal_execute):
* include/multiboot.h (MULTIBOOT_INFO_ALIGN): New macro.
* loader/i386/pc/multiboot.c (grub_multiboot): Include the MBI
in our relocation, instead of using it directly from heap. Also
use `MULTIBOOT_INFO_ALIGN' to ensure it is aligned.
Support multiple fallback entries, and provide an API to support
executing default+fallback menu entries. Renamed the `terminal' menu
viewer to `text'.
* include/grub/normal.h (grub_normal_text_menu_viewer): New global
variable declaration.
(grub_menu_execute_callback): New structure declaration.
(grub_menu_execute_callback_t): New typedef.
(grub_menu_execute_with_fallback): New function declaration.
(grub_menu_get_entry): Likewise.
(grub_menu_get_timeout): Likewise.
(grub_menu_set_timeout): Likewise.
* normal/main.c (GRUB_MOD_INIT(normal)): Refer to new variable name.
* normal/menu.c (grub_wait_after_message): Moved to
`normal/menu_text.c'.
(draw_border): Likewise.
(print_message): Likewise.
(print_entry): Likewise.
(print_entries): Likewise.
(grub_menu_init_page): Likewise.
(get_entry_number): Likewise.
(print_timeout): Likewise.
(run_menu): Likewise.
(grub_menu_execute_entry): Likewise.
(show_text_menu): Likewise.
(get_and_remove_first_entry_number): New function.
(grub_menu_execute_with_fallback): Likewise.
(get_entry): Renamed to ...
(grub_menu_get_entry): .. this and made it global.
(get_timeout): Renamed to ...
(grub_menu_get_timeout): ... this and made it global.
(set_timeout): Renamed to ...
(grub_menu_set_timeout): ... this and made it global.
(grub_normal_terminal_menu_viewer): Renamed to ...
(grub_normal_text_menu_viewer): ... this.
* normal/menu_text.c: New file. Extracted text-menu-specific code
from normal/menu.c.
* conf/i386-coreboot.rmk (grub_emu_SOURCES): Add `normal/menu_text.c'.
(normal_mod_SOURCES): Likewise.
* conf/i386-efi.rmk (grub_emu_SOURCES): Likewise.
(normal_mod_SOURCES): Likewise.
* conf/i386-ieee1275.rmk (grub_emu_SOURCES): Likewise.
(normal_mod_SOURCES): Likewise.
* conf/i386-pc.rmk, (grub_emu_SOURCES): Likewise.
(normal_mod_SOURCES): Likewise.
* conf/powerpc-ieee1275.rmk (grub_emu_SOURCES): Likewise.
(normal_mod_SOURCES): Likewise.
* conf/sparc64-ieee1275.rmk (grub_emu_SOURCES): Likewise.
(normal_mod_SOURCES): Likewise.
* conf/x86_64-efi.rmk (grub_emu_SOURCES): Likewise.
(normal_mod_SOURCES): Likewise.
* normal/main.c: Add include to grub/menu_viewer.h.
(free_menu_entry_classes): Added.
(grub_normal_menu_addentry): Added class property handling.
(grub_normal_execute): Changed to use new menu viewer for menu viewing.
(GRUB_MOD_INIT(normal)): Added register for text based menu viewer.
* normal/menu_viewer.c: New file.
* normal/menu.c (run_menu_entry): Renamed to ...
(grub_menu_execute_entry): ... this and made it as global.
(grub_menu_run): Renamed to ...
(show_text_menu): ... this and made it local.
(show_text_menu): Adapt to new function names.
(grub_normal_terminal_menu_viewer): New global variable.
* include/grub/menu.h: New file.
* include/grub/menu_viewer.h: New file.
* include/grub/normal.h: Added include to grub/menu.h.
(grub_menu_entry): Moved to include/grub/menu.h.
(grub_menu_entry_t): Likewise.
(grub_menu): Likewise.
(grub_menu_t): Likewise.
(grub_normal_terminal_menu_viewer): Added.
(grub_menu_execute_entry): Likewise.
(grub_menu_run): Removed.
* DISTLIST: Added include/grub/menu.h.
Added include/grub/menu_viewer.h.
Added normal/menu_viewer.c.
2009-01-31 Vesa Jääskeläinen <chaac@nic.fi>
* normal/execute.c (grub_script_execute_menuentry): Changed to use
arglist for menutitle arguments.
* normal/main.c (grub_normal_menu_addentry): Likewise.
* normal/parser.y (menuentry): Likewise.
* normal/script.c (grub_script_create_cmdmenu): Likewise.
* include/grub/script.h (grub_script_cmd_menuentry): Likewise.
(grub_script_create_cmdmenu): Likewise.
* include/grub/normal.h (grub_normal_menu_addentry): Likewise.
* conf/i386-pc.rmk (normal_mod_SOURCES): Adapt Colin D Bennett's
changes.
* conf/x86_64-efi.rmk (normal_mod_SOURCES): Likewise.
* conf/i386-coreboot.rmk (normal_mod_SOURCES): Likewise.
* conf/i386-efi.rmk (normal_mod_SOURCES): Likewise.
* conf/i386-ieee1275.rmk (normal_mod_SOURCES): Likewise.
* conf/powerpc-ieee1275.rmk (normal_mod_SOURCES): Likewise.
* conf/sparc64-ieee1275.rmk (normal_mod_SOURCES): Likewise.
* kern/misc.c (grub_strcasecmp): New function.
(grub_strcasecmp): Use grub_size_t instead of int for length.
Fix return value.
* include/grub/misc.h: Update function prototypes.
Fix build on powerpc-ieee1275. Based on patch created by
Manoel Abranches <mrabran@linux.vnet.ibm.com>.
* conf/powerpc-ieee1275.rmk (kernel_elf_SOURCES): Add
`kern/ieee1275/mmap.c'.
* include/grub/powerpc/ieee1275/memory.h: New file.
grub_machine_mmap_iterate() interface (fixes a recently-introduced
build problem on i386-ieee1275):
* kern/ieee1275/openfw.c (grub_available_iterate): Moved from here ...
* kern/ieee1275/mmap.c (grub_machine_mmap_iterate): ... here. Add third
parameter `type'. Update all users of this function.
* conf/i386-ieee1275.rmk (kernel_elf_SOURCES): Add
`kern/ieee1275/mmap.c'.
* kern/ieee1275/init.c
* include/grub/ieee1275/ieee1275.h (grub_available_iterate): Replace
with ...
(grub_machine_mmap_iterate): ... this.
* include/grub/i386/pc/memory.h (grub_machine_mmap_iterate): Change
return type to `grub_err_t'. Update all implementations of this
function prototype.
* include/grub/i386/coreboot/memory.h (grub_machine_mmap_iterate):
Likewise.
* include/grub/i386/coreboot/memory.h (GRUB_MEMORY_MACHINE_LOWER_SIZE):
Redefine to match with GRUB_MEMORY_MACHINE_UPPER_START (0x100000). We
don't want to mess with lower memory, because it is used in the Linux
loader.
* loader/i386/linux.c (allocate_pages): Allocate `real_mode_mem' in
an appropiate place in lower memory, between 0x10000 and 0x90000,
like loader/i386/efi/linux.c does. Linux often panics if real_mode_mem
is in our heap (probably as a result of it being corrupted during
decompression).
Make loader/i386/linux.c buildable on i386-pc (although disabled).
* include/grub/i386/pc/init.h: Include `<grub/machine/memory.h>'.
(struct grub_machine_mmap_entry, grub_machine_mmap_iterate): Move
from here ...
* include/grub/i386/pc/memory.h: ... to here.
Fix build problems on i386-ieee1275 and *-efi (introduced by vga_text
split).
* include/grub/i386/pc/console.h: Include `<grub/i386/vga_common.h>'.
(grub_console_cur_color, grub_console_real_putchar)
(grub_console_putchar, grub_console_getcharwidth, grub_console_getwh)
(grub_console_setcolorstate, grub_console_setcolor)
(grub_console_getcolor): Move from here ...
* include/grub/i386/vga_common.h: ... to here (new file).
* term/i386/pc/vga_text.c: Replace `<grub/machine/console.h>' with
`<grub/i386/vga_common.h>' and `<grub/cpu/io.h>' with
`<grub/i386/io.h>'.
* term/i386/vga_common.c: Replace `<grub/machine/console.h>' with
`<grub/i386/vga_common.h>'.
* conf/i386-pc.rmk (kernel_img_SOURCES): Add `term/i386/vga_common.c'.
* conf/i386.rmk (pkglib_MODULES): Add `vga_text.mod'.
(vga_text_mod_SOURCES, vga_text_mod_CFLAGS, vga_text_mod_LDFLAGS): New
variables.
* conf/i386-coreboot.rmk (kernel_elf_SOURCES): Replace
`term/i386/pc/console.c' with `term/i386/vga_common.c'.
* kern/i386/coreboot/init.c (grub_machine_init): Replace call to
grub_console_init() with call to grub_vga_text_init().
(grub_machine_fini): Replace call to
grub_console_fini() with call to grub_vga_text_fini() and
grub_at_keyboard_fini().
* include/grub/i386/pc/console.h: Include `<grub/term.h>'.
(grub_console_putchar, grub_console_getcharwidth, grub_console_getwh)
(grub_console_setcolorstate, grub_console_setcolor)
(grub_console_getcolor): New function prototypes.
* term/i386/pc/vga_text.c: Include `<grub/dl.h>'.
(grub_vga_text_getxy, grub_vga_text_gotoxy, grub_vga_text_cls)
(grub_vga_text_setcursor): Static-ize.
(grub_vga_text_term): New structure.
(GRUB_MOD_INIT(vga_text), GRUB_MOD_FINI(vga_text)): New functions.
* term/i386/pc/console.c: Remove `<grub/machine/machine.h>'.
(grub_console_cur_color, grub_console_standard_color)
(grub_console_normal_color, grub_console_highlight_color)
(map_char, grub_console_putchar, grub_console_getcharwidth)
(grub_console_getwh, grub_console_setcolorstate, grub_console_setcolor)
(grub_console_getcolor): Move from here ...
* term/i386/vga_common.c: ... to here (same function names).
Use newly-added Multiboot support in coreboot.
* conf/i386-coreboot.rmk (kernel_elf_SOURCES): Replace
`kern/i386/coreboot/mmap.c' with `kern/i386/multiboot_mmap.c'.
* kern/i386/coreboot/startup.S: Enable Multiboot header, fix its
alignment, set `MULTIBOOT_MEMORY_INFO' flag.
(codestart): Store the MBI in `startup_multiboot_info' when we're
being loaded using Multiboot.
* kern/i386/coreboot/init.c (grub_machine_init): Move
grub_at_keyboard_init() call to beginning of function (useful for
debugging). Call grub_machine_mmap_init() before attempting to use
grub_machine_mmap_iterate().
(grub_lower_mem, grub_upper_mem): Move from here ...
* kern/i386/multiboot_mmap.c (grub_lower_mem, grub_upper_mem): ... to
here (new file).
* include/grub/i386/coreboot/memory.h (grub_machine_mmap_init): New
function prototype.
* include/multiboot2.h (struct multiboot_header): Add `flags' member as
per specification.
* loader/multiboot2.c (grub_multiboot2): Fix Multiboot2 header check.
* loader/multiboot_loader.c (find_multi_boot2_header): New function
(based on find_multi_boot1_header).
(grub_rescue_cmd_multiboot_loader): Check for Multiboot2 header,
using find_multi_boot2_header(), and abort if neither Multiboot or
Multiboot headers were found.
Modularize at_keyboard.mod:
* conf/i386.rmk (pkglib_MODULES): Add `at_keyboard.mod'.
(at_keyboard_mod_SOURCES, at_keyboard_mod_CFLAGS)
(at_keyboard_mod_LDFLAGS): New variables.
Actual terminal split:
* include/grub/term.h (struct grub_term): Split in ...
(struct grub_term_input): ... this, and ...
(struct grub_term_output): ... this. Update all users.
(grub_term_set_current): Split in ...
(grub_term_set_current_input): ... this, and ...
(grub_term_set_current_output): ... this.
(grub_term_get_current): Split in ...
(grub_term_get_current_input): ... this, and ...
(grub_term_get_current_output): ... this.
(grub_term_register): Split in ...
(grub_term_register_input): ... this, and ...
(grub_term_register_output): ... this.
(grub_term_unregister): Split in ...
(grub_term_unregister_input): ... this, and ...
(grub_term_unregister_output): ... this.
(grub_term_iterate): Split in ...
(grub_term_iterate_input): ... this, and ...
(grub_term_iterate_output): ... this.
* kern/term.c (grub_term_list): Split in ...
(grub_term_list_input): ... this, and ...
(grub_term_list_output): ... this. Update all users.
(grub_cur_term): Split in ...
(grub_cur_term_input): ... this, and ...
(grub_cur_term_output): ... this. Update all users.
(grub_term_set_current): Split in ...
(grub_term_set_current_input): ... this, and ...
(grub_term_set_current_output): ... this.
(grub_term_get_current): Split in ...
(grub_term_get_current_input): ... this, and ...
(grub_term_get_current_output): ... this.
(grub_term_register): Split in ...
(grub_term_register_input): ... this, and ...
(grub_term_register_output): ... this.
(grub_term_unregister): Split in ...
(grub_term_unregister_input): ... this, and ...
(grub_term_unregister_output): ... this.
(grub_term_iterate): Split in ...
(grub_term_iterate_input): ... this, and ...
(grub_term_iterate_output): ... this.
* kern/misc.c (grub_abort): Split use of grub_term_get_current() into
a check for input and one for output (and only attempt to get keys
from user when input works).
* util/grub-probe.c (grub_term_get_current): Split in ...
(grub_term_get_current_input): ... this, and ...
(grub_term_get_current_output): ... this.
* util/grub-fstest.c: Likewise.
* util/i386/pc/grub-setup.c: Likewise.
* util/grub-editenv.c: Likewise.
Portability adjustments:
* conf/i386-ieee1275.rmk (kernel_elf_SOURCES): Remove
`term/i386/pc/at_keyboard.c'.
* kern/ieee1275/init.c [__i386__] (grub_machine_init): Remove call to
grub_keyboard_controller_init() (now handled by terminal .init).
* kern/i386/coreboot/init.c (grub_machine_init): Add call to
grub_at_keyboard_init().
* include/grub/i386/ieee1275/console.h (grub_keyboard_controller_init)
(grub_console_checkkey, grub_console_getkey): Remove (now provided by
at_keyboard.mod via input terminal interface).
* include/grub/i386/coreboot/console.h: Convert into a stub for
`<grub/i386/pc/console.h>'.
Migrate full terminals to new API:
* term/efi/console.c (grub_console_term): Split into ...
(grub_console_term_input): ... this, and ...
(grub_console_term_output): ... this. Update all users.
* term/ieee1275/ofconsole.c: Remove __i386__ hack.
(grub_ofconsole_init): Split into ...
(grub_ofconsole_init_input): ... this, and ...
(grub_ofconsole_init_output): ... this.
(grub_ofconsole_term): Split into ...
(grub_ofconsole_term_input): ... this, and ...
(grub_ofconsole_term_output): ... this. Update all users.
* term/i386/pc/serial.c (grub_serial_term): Split into ...
(grub_serial_term_input): ... this, and ...
(grub_serial_term_output): ... this. Update all users.
* term/i386/pc/console.c (grub_console_term): Split into ...
(grub_console_term_input): ... this, and ...
(grub_console_term_output): ... this. Update all users.
(grub_console_term_input): Only enable it on PC/BIOS platform.
(grub_console_init): Remove grub_keyboard_controller_init() call.
Migrate input terminals to new API:
* term/i386/pc/at_keyboard.c: Replace `cpu' and `machine' with
`i386' and `i386/pc' to enable build on x86_64 (this driver is
i386-specific anyway).
(grub_console_checkkey): Rename to ...
(grub_at_keyboard_checkkey): ... this. Static-ize. Update all
users.
(grub_keyboard_controller_orig): New variable.
(grub_console_getkey): Rename to ...
(grub_at_keyboard_getkey): ... this. Static-ize. Update all
users.
(grub_keyboard_controller_init): Static-ize. Save original
controller value so that it can be restored ...
(grub_keyboard_controller_fini): ... here (new function).
(grub_at_keyboard_term): New structure.
(GRUB_MOD_INIT(at_keyboard), GRUB_MOD_FINI(at_keyboard)): New
functions.
Migrate output terminals to new API:
* term/i386/pc/vga.c (grub_vga_term): Change type to
`struct grub_term_output'. Remove `.checkkey' and `.getkey'
members. Update all users.
* term/gfxterm.c (grub_video_term): Change type to
`struct grub_term_output'. Remove `.checkkey' and `.getkey'
members. Update all users.
* include/grub/i386/pc/console.h (grub_console_checkkey)
(grub_console_getkey): Do not export (no longer needed by gfxterm,
etc).
Migrate `terminal' command and userland tools to new API:
* commands/terminal.c (grub_cmd_terminal): Split into ...
(grub_cmd_terminal_input): ... this, and ...
(grub_cmd_terminal_output): ... this.
(GRUB_MOD_INIT(terminal)): Split `terminal' command in two commands:
`terminal_input' and `terminal_output'.
* util/grub.d/00_header.in: Adjust `terminal' calls to new
`terminal_input' / `terminal_output' API.
* util/grub-mkconfig.in: Export ${GRUB_TERMINAL_INPUT} and
${GRUB_TERMINAL_OUTPUT} instead of ${GRUB_TERMINAL} (and if user
provided ${GRUB_TERMINAL}, convert it).
* disk/lvm.c (grub_lvm_scan_device): Allocate buffer space for the
circular metadata worst case scenario. If the metadata is circular
then copy the wrap in place.
* include/grub/lvm.h: Add GRUB_LVM_MDA_HEADER_SIZE, from the LVM2
project lib/format_text/layout.h
Circular metadata bug found and patch debugged by Jan Derk Gerlings.
