* 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.
* fs/ufs.c (INODE_BLKSZ): Fix incorrect value.
(grub_ufs_get_file_block): Fix indirect block calculation problem.
* fs/xfs.c (grub_xfs_sblock): New member log2_dirblk.
(grub_xfs_btree_node): New structure.
(grub_xfs_btree_root): New structure.
(grub_xfs_inode): New members nblocks, extsize, nextents and btree.
(GRUB_XFS_EXTENT_OFFSET): Use exts instead of inode->data.extents.
(GRUB_XFS_EXTENT_BLOCK): Likewise.
(GRUB_XFS_EXTENT_SIZE): Likewise.
(grub_xfs_read_block): Support btree format type.
(grub_xfs_iterate_dir): Use NESTED_FUNC_ATTR in call_hook.
Use directory block as basic unit.
* fs/fshelp.c (grub_fshelp_read_file): Bug fix for sparse block.
* aclocal.m4 (grub_i386_CHECK_REGPARM_BUG): Define NESTED_FUNC_ATTR as
__attribute__ ((__regparm__ (1))).
Correct a mistake in previous commit.
* conf/i386-pc.rmk (normal/execute.c_DEPENDENCIES): Move to the
top.
(normal/command.c_DEPENDENCIES): New variable.
* util/powerpc/ieee1275/grub-mkrescue.in: New file.
* conf/powerpc-ieee1275.rmk: Add grub-mkrescue support for
PowerPC.
* DISTLIST: Add util/powerpc/ieee1275/grub-mkrescue.in.
to create a gap between _end and the modules added to the image
with grub-mkrescue. That fixes "CLAIM failed" on PowerMAC.
* kern/powerpc/ieee1275/init.c: Use GRUB_MOD_GAP.
* util/elf/grub-mkimage.c (add_segments): Likewise.
* fs/reiserfs.c (grub_fshelp_node): New member next_offset.
(grub_reiserfs_get_item): Save offset of the next item.
(grub_reiserfs_iterate_dir): Use next_offset to find next item.
that hang if GRUB tries to setup colors.
* term/ieee1275/ofconsole.c (grub_ofconsole_init): Don't set
colors for firmwares that don't support it.
* kern/powerpc/ieee1275/cmain.c (grub_ieee1275_set_flag):
Recognize Open Hack'Ware, set flags to work around its
limitations.
* fs/ufs.c (GRUB_UFS_VOLNAME_LEN): New macro.
(grub_ufs_sblock): New member volume name.
(grub_ufs_find_file): Fix string copy bug.
(grub_ufs_label): Implement this function properly.
* fs/hfs.c (grub_hfs_cnid_type): New enum.
(grub_hfs_iterate_records): Use the correct file number for extents
and catalog file. Fix problem in next index calculation.
(grub_hfs_find_node): Replace recursive function call with loop.
(grub_hfs_iterate_dir): Replace recursive function call with loop.
* term/i386/pc/at_keyboard.c (grub_keyboard_isr): #ifdef out
grub_dprintf calls, since they make "debug=all" mode unusable.
(grub_console_checkkey): Likewise.
* kern/i386/pc/init.c (make_install_device): When memdisk image is
present, "(memdisk)/boot/grub" becomes the default prefix.
* util/i386/pc/grub-mkrescue.in: Switch to a minimal core.img plus
a memdisk tarball with all the modules. Add --overlay=DIR option that
allows users to overlay additional files into the image.
* conf/i386-ieee1275.rmk (kernel_elf_SOURCES): Add `machine/loader.h'
and `machine/memory.h'.
(pkglib_MODULES): Add `multiboot.mod' and `_multiboot.mod'.
(_multiboot_mod_SOURCES): New variable.
(_multiboot_mod_CFLAGS): Likewise.
(_multiboot_mod_LDFLAGS): Likewise.
(multiboot_mod_SOURCES): Likewise.
(multiboot_mod_CFLAGS): Likewise.
(multiboot_mod_LDFLAGS): Likewise.
* include/grub/i386/ieee1275/loader.h: New file.
* include/grub/i386/ieee1275/machine.h: Likewise.
* include/grub/i386/ieee1275/memory.h: Likewise.
* include/grub/i386/pc/init.h (grub_os_area_addr): Remove (redundant)
variable declaration.
(grub_os_area_size): Likewise.
* kern/i386/ieee1275/init.c (grub_os_area_addr, grub_os_area_size)
(grub_lower_mem, grub_upper_mem): New variables.
(grub_stop_floppy): New function (just to make
grub_multiboot2_real_boot() happy).
* kern/i386/ieee1275/startup.S: Include `<grub/machine/memory.h>',
`<grub/cpu/linux.h>', `<multiboot.h>' and `<multiboot2.h>'.
(grub_stop): New function.
Include `"../realmode.S"' and `"../loader.S"'.
* loader/multiboot_loader.c: Include `<grub/machine/machine.h>'.
Replace `__i386__' #ifdefs with `GRUB_MACHINE_PCBIOS'.
* loader/powerpc/ieee1275/multiboot2.c (grub_mb2_arch_boot): On i386,
rely on grub_multiboot2_real_boot() for final boot.
* disk/ieee1275/ofdisk.c (grub_ofdisk_iterate): When
`GRUB_IEEE1275_FLAG_OFDISK_SDCARD_ONLY' flag is set, skip any
device that doesn't look like an SD card.
* include/grub/ieee1275/ieee1275.h (grub_ieee1275_flag): Add
`GRUB_IEEE1275_FLAG_OFDISK_SDCARD_ONLY' flag.
* kern/powerpc/ieee1275/cmain.c (grub_ieee1275_set_flag): Detect
OLPC laptop, and set `GRUB_IEEE1275_FLAG_OFDISK_SDCARD_ONLY' when
found.
* conf/i386-pc.rmk (GRUB_MEMORY_MACHINE_LINK_ADDR): New variable.
(kernel_img_LDFLAGS): Use `GRUB_MEMORY_MACHINE_LINK_ADDR' as link
address.
(grub_mkimage_CFLAGS): Propagate `GRUB_MEMORY_MACHINE_LINK_ADDR' as
a C macro.
* include/grub/i386/pc/memory.h (GRUB_MEMORY_MACHINE_UPPER): New macro.
Indicates start of upper memory.
* util/i386/pc/grub-mkimage.c: Include `<grub/machine/memory.h>'.
(generate_image): Abort when image size is big enough to corrupt
upper memory.
* include/grub/i386/pc/vga.h: Include `<grub/machine/memory.h>'.
(GRUB_MEMORY_MACHINE_VGA_ADDR): Alias for `GRUB_MEMORY_MACHINE_UPPER'.
* term/i386/pc/vga.c (VGA_MEM): Use `GRUB_MEMORY_MACHINE_VGA_ADDR'
instead of hardcoding 0xA0000.
* video/i386/pc/vbe.c: Include `<grub/machine/vga.h>'.
(grub_vbe_set_video_mode): Use `GRUB_MEMORY_MACHINE_VGA_ADDR'
instead of hardcoding 0xA0000.
Fix detection of very small filesystems (like tar).
* fs/reiserfs.c (grub_reiserfs_mount): When disk is too small to
contain a ReiserFS, abort with GRUB_ERR_BAD_FS rather than
GRUB_ERR_OUT_OF_RANGE (which made the upper layer think there's
a problem with this disk).
* include/grub/i386/pc/kernel.h: Include `<grub/symbol.h>'.
* include/grub/kernel.h (grub_arch_memdisk_addr,
grub_arch_memdisk_size): Moved from here ...
* include/grub/i386/pc/kernel.h (grub_arch_memdisk_addr,
grub_arch_memdisk_size): ... to here.
Mostly based on bugfix from Bean.
* kern/elf.c (grub_elf32_phdr_iterate): Use `NESTED_FUNC_ATTR'
attribute with hook() parameter.
(grub_elf32_load): Use `NESTED_FUNC_ATTR' with grub_elf32_load_segment()
declaration.
(grub_elf64_phdr_iterate): Use `NESTED_FUNC_ATTR'
attribute with hook() parameter.
(grub_elf64_load): Use `NESTED_FUNC_ATTR' with grub_elf64_load_segment()
declaration.
* 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().
Fix detection of "real mode" when /options/real-mode? doesn't exist.
* include/grub/ieee1275/ieee1275.h (grub_ieee1275_mmu): New variable
declaration.
* kern/powerpc/ieee1275/cmain.c (grub_ieee1275_mmu): New variable.
(grub_ieee1275_find_options): If `grub_ieee1275_mmu' is 0, set
`GRUB_IEEE1275_FLAG_REAL_MODE'.
(cmain): Intialize `grub_ieee1275_mmu' (using /chosen/mmu integer
property).
* kern/powerpc/ieee1275/openfw.c (grub_map): Rely on pre-initialized
`grub_ieee1275_mmu' rather than obtaining a handler on every call.
Get rid of confusing function (superceeded by
`grub_ieee1275_get_integer_property')
* include/grub/ieee1275/ieee1275.h (grub_ieee1275_decode_int_4): Remove
prototype.
* kern/ieee1275/ieee1275.c (grub_ieee1275_decode_int_4): Remove
function.
* term/ieee1275/ofconsole.c (grub_ofconsole_init): Avoid use of
grub_ieee1275_decode_int_4(), by obtaining integer properties directly
in native endianess from grub_ieee1275_get_integer_property().
* kern/powerpc/ieee1275/openfw.c (grub_halt): Issue "power-off"
command after "shut-down", since implementations differ on which
the command for halt is.
PowerPC changes provided by Pavel Roskin.
* kern/powerpc/ieee1275/cmain.c (cmain): Don't take any arguments.
* kern/powerpc/ieee1275/crt0.S: Store r5 in grub_ieee1275_entry_fn,
don't rely on cmain() doing it.
* kern/i386/ieee1275/startup.S (_start): Store %eax in
grub_ieee1275_entry_fn, don't rely on cmain() doing it.
* include/grub/i386/linuxbios/memory.h
(GRUB_MEMORY_MACHINE_LINUXBIOS_TABLE_ADDR): Remove macro.
* kern/i386/linuxbios/table.c (grub_linuxbios_table_iterate): Do not
receive `table_header' as argument. Instead, probe for it in the
known memory ranges where it can be present.
(grub_available_iterate): Do not pass a fixed `table_header' address
to grub_linuxbios_table_iterate().
* include/grub/ieee1275/ieee1275.h
(grub_ieee1275_get_integer_property): New function prototype.
* kern/ieee1275/ieee1275.c: Include `<grub/types.h>'.
(grub_ieee1275_get_integer_property): New function. Wraps around
grub_ieee1275_get_property() to handle endianess.
* kern/powerpc/ieee1275/cmain.c (grub_ieee1275_find_options): Replace
grub_ieee1275_get_property() with grub_ieee1275_get_integer_property()
where appropiate.
* kern/powerpc/ieee1275/openfw.c (grub_available_iterate): Likewise.
(grub_map): Likewise.
* kern/sparc64/ieee1275/openfw.c (grub_map): Likewise.
* normal/execute.c (grub_script_exec_argument_to_string): Check for undefined variable.
(grub_script_execute_cmdline): Reset grub_errno.
* normal/main.c (read_config_file): Reset grub_errno.
* normal/parse.y (script_init): New.
(script): Move function and menuentry here.
(delimiter): New.
(command): Add delimiter at the end of command.
(commands): Adjust to match the new command.
(commandblock): Remove grub_script_lexer_record_start.
(menuentry): Add grub_script_lexer_record_start, use the new commands.
(if): Use the new commands.
* conf/common.rmk (pkgdata_MODULES): Add echo.mod.
* normal/menu.c (run_menu): Move timeout message from here ...
(print_timeout): ... to here.
(run_menu): Use print_timeout() once during initial draw to print
the whole message, and again in every clock tick to update only
the number of seconds.
* kern/powerpc/ieee1275/openfw.c (grub_available_iterate): Obtain
actual size of `available' from grub_ieee1275_get_property(), and
restrict parsing to that bound.
* include/grub/util/getroot.h (grub_dev_abstraction_types): New enum.
(grub_util_get_dev_abstraction): New function prototype.
* util/getroot.c: Include `<grub/util/getroot.h>'
(grub_util_get_grub_dev): Move detection of abstraction type to ...
(grub_util_get_dev_abstraction): ... here (new function).
* util/grub-probe.c: Convert PRINT_* to an enum. Add
`PRINT_ABSTRACTION'.
(probe): Probe for abstraction type when requested.
(main): Understand `--target=abstraction'.
* util/i386/efi/grub-install.in: Add abstraction module to core
image when it is found to be necessary.
* util/i386/pc/grub-install.in: Likewise.
* util/powerpc/ieee1275/grub-install.in: Likewise.
* util/update-grub_lib.in (font_path): Return system path without
converting to GRUB path.
* util/update-grub.in: Convert system path returned by font_path()
to a GRUB path. Use `grub-probe -t abstraction' to determine what
abstraction module is needed for loading fonts (if any). Export
that as `GRUB_PRELOAD_MODULES'.
* util/grub.d/00_header.in: Process `GRUB_PRELOAD_MODULES' (print
insmod commands).
* util/update-grub_lib.in (grub_file_is_not_garbage): New function.
Determines if a file is garbage left by packaging systems, etc.
* util/update-grub.in: Use grub_file_is_not_garbage() as a condition
for processing /etc/grub.d scripts.
* util/grub.d/10_hurd.in: Fix `GRUB_DISTRIBUTOR' comparison.
* util/grub.d/10_linux.in: Likewise. Use grub_file_is_not_garbage()
as a condition for processing Linux images.
* kern/device.c (grub_device_iterate): Do not abort device iteration
when one of the devices cannot be opened.
* kern/disk.c (grub_disk_open): Do not account previous failures of
unrelated functions when grub_errno is checked for.
* loader/i386/pc/linux.c (grub_rescue_cmd_linux): For
`! grub_linux_is_bzimage', change order of address comparison to make
it more intuitive, and improve "too big zImage" error message.
* boot/i386/pc/boot.S (boot_drive_check): Add a comment indicating
which instruction is modified by grub-setup during installation
(since it wasn't obvious by only looking at this file).
* fs/reiserfs.c (grub_reiserfs_get_key_v2_type): Handle endianness
correctly.
(grub_reiserfs_get_key_offset): Likewise.
(grub_reiserfs_set_key_offset): Likewise.
(grub_reiserfs_set_key_type): Likewise.
(grub_reiserfs_iterate_dir): Return 1 if found, otheriwise 0.
(GRUB_REISERFS_KEYV2_BITFIELD): Undefined. Probably it would be
better to remove the bitfield version completely.
* fs/reiserfs.c (grub_reiserfs_iterate_dir): ENTRY_ITEM must be
allocated from the heap, due to the fshelp implementation.
(grub_reiserfs_dir): Free NODE, due to the same reason.
* include/grub/normal.h (grub_env_write_color_normal): New prototype.
(grub_env_write_color_highlight): Likewise.
(grub_wait_after_message): Likewise.
* normal/color.c: New file.
* conf/i386-pc.rmk (grub_emu_SOURCES): Add `normal/color.c'.
(normal_mod_DEPENDENCIES): Likewise.
* conf/i386-efi.rmk (grub_emu_SOURCES): Add `normal/color.c'.
(normal_mod_DEPENDENCIES): Likewise.
* conf/i386-linuxbios.rmk (grub_emu_SOURCES): Add `normal/color.c'.
(normal_mod_DEPENDENCIES): Likewise.
* conf/powerpc-ieee1275.rmk (grub_emu_SOURCES): Add `normal/color.c'.
(normal_mod_DEPENDENCIES): Likewise.
* normal/menu_entry.c (run): Rely on grub_wait_after_message()
for waiting after a message is printed.
* normal/main.c (read_config_file): Likewise.
(grub_normal_init): Register grub_env_write_color_normal() and
grub_env_write_color_highlight() hooks. Mark `color_normal' and
`color_highlight' variables as global.
* normal/menu.c (grub_wait_after_message): New function.
(grub_color_menu_normal): New variable. Replaces ...
(GRUB_COLOR_MENU_NORMAL): ... this macro.
(grub_color_menu_highlight): New variable. Replaces ...
(GRUB_COLOR_MENU_HIGHLIGHT): ... this macro.
(draw_border): Set color state to `GRUB_TERM_COLOR_NORMAL' instead of
`GRUB_TERM_COLOR_STANDARD'.
(print_message): Use `grub_setcolorstate' to reload colors. Rename
`normal_code' and `highlight_code' to `old_color_normal' and
`old_color_highlight', respectively.
(grub_menu_init_page): Update colors when drawing the menu, based on
`menu_color_normal' and `menu_color_highlight' variables.
(grub_menu_run): Rely on grub_wait_after_message() for waiting after
a message is printed.
* kern/i386/linuxbios/init.c: Put "void" to all function
declarations with no arguments.
* kern/powerpc/ieee1275/init.c: Likewise.
* term/i386/pc/at_keyboard.c: Likewise.
* term/i386/pc/vga_text.c: Likewise.
* util/grub-mkdevicemap.c: Likewise.
* loader/i386/pc/multiboot.c (grub_multiboot_load_elf32): Improve error
message when loaded image is out of bounds.
(grub_multiboot_load_elf64): Likewise.
* include/grub/video.h: Added grub_video_unmap_color and
grub_video_get_active_render_target.
(grub_video_adapter): Added unmap_color and get_active_render_target.
* video/video.c: Added grub_video_unmap_color and
grub_video_get_active_render_target.
(grub_video_get_info): Changed method to accept NULL pointer as an
argument to allow detection of active video adapter.
* video/i386/pc/vbe.c: Renamed grub_video_vbe_unmap_color as
grub_video_vbe_unmap_color_int.
Added grub_video_vbe_unmap_color and
grub_video_vbe_get_active_render_target.
(grub_video_vbe_adapter): Added unmap_color and
get_active_render_target.
* video/i386/pc/vbeblit.c: Replaced grub_video_vbe_unmap_color usage
with grub_video_vbe_unmap_color_int.
* term/gfxterm.c (DEFAULT_STANDARD_COLOR): Added.
(DEFAULT_NORMAL_COLOR): Likewise.
(DEFAULT_HIGHLIGHT_COLOR) Likewise.
(DEFAULT_FG_COLOR): Removed.
(DEFAULT_BG_COLOR): Likewise.
(DEFAULT_CURSOR_COLOR): Changed value.
(grub_virtual_screen): Added standard_color_setting,
normal_color_setting, highlight_color_setting and term_color.
(grub_virtual_screen): Removed fg_color_setting and bg_color_setting.
(bitmap_width): Added.
(bitmap_height): Likewise.
(bitmap): Likewise.
(set_term_color): Likewise.
(grub_virtual_screen_setup): Changed to use new terminal coloring
settings.
(grub_gfxterm_init): Added init for bitmap.
(grub_gfxterm_fini): Added destroy for bitmap.
(redraw_screen_rect): Updated to use background bitmap and new
terminal coloring.
(scroll_up): Added optimization for case when there is no bitmap.
(grub_gfxterm_cls): Fixed to use correct background color.
(grub_virtual_screen_setcolorstate): Changed to use new terminal
coloring.
(grub_virtual_screen_setcolor): Likewise.
(grub_virtual_screen_getcolor): Added.
(grub_gfxterm_background_image_cmd): Likewise.
(grub_video_term): Added setcolor and getcolor.
(MOD_INIT): Added registration of background_image command.
(MOD_TERM): Added unregistration for background_image command.
* include/grub/term.h (struct grub_term): Add `getcolor' function.
(grub_getcolor): New function.
* kern/term.c (grub_getcolor): New function.
* normal/menu.c (GRUB_COLOR_MENU_NORMAL): New macro.
(GRUB_COLOR_MENU_HIGHLIGHT): New macro.
(print_entry): Set normal and highlight colors to
`GRUB_COLOR_MENU_NORMAL' and `GRUB_COLOR_MENU_HIGHLIGHT',
respectively, before printing and restore them to old
values afterwards.
(grub_menu_init_page): Likewise. Fill an additional colored space
that would otherwise be left blank.
* term/efi/console.c (grub_console_getcolor): New function.
(struct grub_console_term.getcolor): New variable.
* term/i386/pc/console.c (grub_console_getcolor): New function.
(struct grub_console_term.getcolor): New variable.
* term/ieee1275/ofconsole.c (grub_ofconsole_getcolor): New function.
(struct grub_console_term.getcolor): New variable.
* term/i386/pc/serial.c (grub_serial_setcolor): Remove function.
(struct grub_console_term.setcolor): Remove variable.
* term/i386/pc/vesafb.c (grub_virtual_screen_setcolor): Remove function.
(struct grub_console_term.setcolor): Remove variable.
* term/i386/pc/vga.c (grub_vga_setcolor): Remove function.
(struct grub_console_term.setcolor): Remove variable.
* term/gfxterm.c (grub_virtual_screen_setcolor): Remove function.
(struct grub_console_term.setcolor): Remove variable.
* configure.ac: Search for possible unifont.hex locations, and
define UNIFONT_HEX if found.
* Makefile.in (UNIFONT_HEX): Define variable.
(DATA): Rename to ...
(PKGLIB): ... this. Update all users.
(PKGDATA): New variable.
(pkgdata_IMAGES): Rename to ...
(pkglib_IMAGES): ... this. Update all users.
(pkgdata_MODULES): Rename to ...
(pkglib_MODULES): ... this. Update all users.
(pkgdata_PROGRAMS): Rename to ...
(pkglib_PROGRAMS): ... this. Update all users.
(pkgdata_DATA): Rename to ...
(pkglib_DATA): ... this. Update all users.
(CLEANFILES): Redefine to `$(pkglib_DATA) $(pkgdata_DATA)'.
(unicode.pff, ascii.pff): New rules.
(all-local): Add `$(PKGDATA)' dependency.
(install-local): Process `$(PKGDATA)'.
* util/update-grub_lib.in (font_path): Search for *.pff files in
a few more locations, including `${pkgdata}'.
