Reported by: Yves Blusseau.
* include/grub/command.h (grub_command_flags_t): New flags
GRUB_COMMAND_ACCEPT_DASH and GRUB_COMMAND_OPTIONS_AT_START.
* grub-core/lib/arg.c (grub_arg_parse): Handle new flags.
* grub-core/commands/echo.c (GRUB_MOD_INIT): Use new flags.
* util/sparc64/ieee1275/grub-setup.c: ... and this ...
* util/grub-setup.c: ... into this.
* include/grub/sparc64/ieee1275/boot.h (grub_boot_blocklist) [ASM_FILE]:
New struct.
* grub-core/fs/ext2.c (grub_ext2_open): Use return error value when
possible.
All users updated.
* disk/loopback.c (grub_loopback): Remove has_partitions.
All users updated.
(options): Remove partitions. All users updated.
* util/grub-fstest.c (fstest): Don't pass "-p" to loopback.
* util/i386/pc/grub-setup.c (setup): copy partition table only when
actual partition table is found.
* configure.ac (GRUB_KERNEL_MACHINE_LINK_ADDR): Removed.
* grub-core/Makefile.core.def (kernel): Make ldflags just use the
right address. Add sparc64_ieee1275_ldflags.
* grub-core/loader/sparc64/ieee1275/linux.c: Remove leftover include.
* util/grub-mkimagexx.c (locate_sections): Correct grub_host_to_target32
to grub_host_to_target_addr
(load_image): Likewise.
* grub-core/Makefile.core.def (vbeinfo): Removed.
(vbetest): Removed.
(videoinfo): New module.
* grub-core/commands/i386/pc/vbeinfo.c: Removed.
* grub-core/commands/i386/pc/vbetest.c: Removed.
* grub-core/commands/videoinfo.c: New file.
* grub-core/commands/videotest.c (grub_cmd_videotest): Support mode
specification.
(grub_cmd_videotest) [GRUB_MACHINE_PCBIOS]: Load vbe.mod when invoked
as vbetest.
(GRUB_MOD_INIT) [GRUB_MACHINE_PCBIOS]: New command vbetest.
(GRUB_MOD_FINI) [GRUB_MACHINE_PCBIOS]: Unregister vbetest.
* grub-core/video/efi_gop.c (grub_video_gop_fill_mode_info): Fill
mode_number. New parameter mode. All users updated.
(grub_video_gop_iterate): New function.
(grub_video_efi_gop): New member iterate.
* grub-core/video/i386/pc/vbe.c (framebuffer): Removed leftover fields.
(grub_vbe_set_video_mode): Remove setting useless fields.
(vbe2videoinfo): New function.
(grub_video_vbe_iterate): Likewise.
(grub_video_vbe_setup): Use vbe2videoinfo.
(grub_video_vbe_print_adapter_specific_info): New function.
(grub_video_vbe_adapter): New fields iterate and
print_adapter_specific_info.
* include/grub/video.h (GRUB_VIDEO_MODE_*): Transform into enum.
All users updated.
(grub_video_mode_info): New field mode_number.
(grub_video_adapter): New fields iterate and
print_adapter_specific_info.
* grub-core/kern/emu/getroot.c (grub_util_get_dev_abstraction):
Return GRUB_DEV_ABSTRACTION_NONE if device is in device.map.
* grub-core/kern/emu/hostdisk.c
(convert_system_partition_to_system_disk): Support mdX.
(find_system_device): New parameter add. All users updated.
(grub_util_biosdisk_is_present): New function.
* include/grub/emu/hostdisk.h (grub_util_biosdisk_is_present): New
proto.
* grub-core/Makefile.core.def (halt): Add commands/acpihalt.c on i386-pc.
* grub-core/commands/acpihalt.c: New file.
* grub-core/commands/i386/pc/halt.c (grub_cmd_halt): Call grub_acpi_halt.
* include/grub/acpi.h (grub_acpi_fadt): New member pm1a.
(grub_acpi_halt): New proto.
(GRUB_ACPI_SLP_EN): New const.
(GRUB_ACPI_SLP_TYP_OFFSET): Likewise.
(GRUB_ACPI_OPCODE_*): New enum.
(GRUB_ACPI_EXTOPCODE_*): Likewise.
* grub-core/video/ieee1275.c (stdout_ihandle): New variable.
(have_setcolors): Likewise.
(grub_video_ieee1275_init): Fill stdout_ihandle and have_setcolors.
(grub_video_ieee1275_setup): Use grub_video_ieee1275_set_palette.
(grub_video_ieee1275_set_palette): Implement.
Set prefix_drive on EFI and PC to (,$grub_partition) as last resort.
* util/i386/pc/grub-setup.c (setup): Don't touch prefix.
Fixes a bug reported by Yves Blusseau.
* conf/Makefile.common (CFLAGS_PLATFORM): Add -mflush-func
=grub_cpu_flush_cache on all mips and not only yeeloong.
* configure.ac (COND_mips): New conditional.
* grub-core/Makefile.am (KERNEL_HEADER_FILES): Add libgcc on all
platforms.
* grub-core/kern/emu/cache.S (__mips__): Use _flush_cache.
* grub-core/kern/emu/full.c (grub_arch_dl_init_linker)
[GRUB_LINKER_HAVE_INIT]: New function.
(grub_emu_post_init): Likewise.
* grub-core/kern/emu/lite.c (grub_emu_post_init): Likewise.
* grub-core/kern/emu/main.c: Use grub_emu_post_init.
* include/grub/cache.h (_mips): Include mips/cache.h.
* include/grub/disk.h [GRUB_UTIL || GRUB_MACHINE_EMU]: Add missing
LVM and RAID prototypes.
* include/grub/emu/misc.h (grub_emu_post_init): New proto.
* include/grub/mips/time.h (grub_cpu_idle) [GRUB_MACHINE_EMU]: New
function.
Solaris support in grub_find_zpool_from_dir(). Thanks
Seth Goldberg for referring to getextmntent() facility.
* configure.ac: Check for getextmntent(), `sys/mnttab.h' and
`sys/mkdev.h'.
* grub-core/kern/emu/misc.c [HAVE_SYS_MNTTAB_H]: Include
`<sys/mnttab.h>'.
[HAVE_SYS_MKDEV_H]: Include `<sys/mkdev.h>'.
[HAVE_GETEXTMNTENT] (grub_find_zpool_from_dir): Add getextmntent()
method for finding zpool name.
actively require those modules to be absent, so grub-fstest needs
its own initialisation and finalisation code.
* Makefile.am (grub_fstest.pp): New target.
(grub_fstest_init.lst): Likewise.
(grub_fstest_init.c): Likewise.
* Makefile.util.def (grub-fstest): Add grub_fstest_init.c.
and grub-core/disk/host.c to ...
(grub-fstest): ... here. Having the host disk implementation
present confuses grub-probe and other utility programs.
* util/grub-mkconfig.in: Only verify readability of grub.cfg.new
when writing to a file, not when writing to stdout.
* util/grub-mkconfig_lib.in (is_path_readable_by_grub): Improve
with (optional) parameters to specify device and relative path.
* util/grub-install.in: Use is_path_readable_by_grub() to
verify readability of a few critical files.
* util/grub-mkconfig.in: Use is_path_readable_by_grub() to
verify readability of grub.cfg.new.
* util/grub-mkconfig_lib.in (is_path_readable_by_grub): Improve
with (optional) parameters to specify device and relative path.
* util/grub-install.in: Use is_path_readable_by_grub() to
verify readability of a few critical files.
* util/grub-mkconfig.in: Use is_path_readable_by_grub() to
verify readability of grub.cfg.new.
GRUB_IEEE1275_FLAG_HAS_CURSORONOFF when appropriate.
* grub-core/term/ieee1275/ofconsole.c (grub_ofconsole_setcursor):
Use terminfo and don't use cursor-on/cursor-off unless it's known
to work.
* include/grub/ieee1275/ieee1275.h (grub_ieee1275_flag): New element
GRUB_IEEE1275_FLAG_HAS_CURSORONOFF.
starts with "(,", fill the drive containing the loaded image in
between those two characters, but expect that a full partition
specification including partition map names will follow.
* tests/grub_script_not.in: New test.
* Makefile.util.def: Rules for new test.
* grub-core/script/execute.c (grub_script_execute_cmdline): Handle
! command as a special case.
* grub-core/script/yylex.l (GRUB_PARSER_TOKEN_NOT): Removed.
* tests/grub_script_expansion.in: New test.
* Makefile.util.def: Rule for new test.
* grub-core/commands/wildcard.c: New file, implements filename
expansion support for GRUB script.
* grub-core/Makefile.core.def: Rule update for regexp.mod.
* grub-core/script/argv.c: Cosmetic changes.
* grub-core/script/execute.c (grub_script_arglist_to_argv):
Refactored to perform wildcard expansion on arguments.
* include/grub/script_sh.h (grub_script_wildcard_translator): New
struct.
* tests/util/grub-shell.in: Fix quoting for read input.
of regexp.
* tests/grub_cmd_regexp.in: New test.
* Makefile.util.def: Rule for new test.
* grub-core/commands/regexp.c: New option -s to update environment
variables with regexp matches.
(grub_file_seekable): New inline function.
* grub-core/io/gzio.c (test_header): Don't test end magic if file isn't
easily seekable.
(grub_gzio_open): Set not_easly_seekable.
* grub-core/fs/i386/pc/pxe.c (grub_pxefs_open): Set not_easily_seekable.
* grub-core/io/bufio.c (grub_bufio_open): Propagate not_easily_seekable.
* tests/grub_script_return.in: New test.
* Makefile.util.def: Rules for new test.
* grub-core/script/execute.c (grub_script_return): New function.
* grub-core/script/main.c: Register/unregister return commaond.
* include/grub/script_sh.h (grub_script_return): New prototype.
* grub-core/script/lexer.c (append_newline): Removed.
(grub_script_lexer_yywrap): Refactored.
(grub_script_lexer_init): Refactored.
* grub-core/script/yylex.l (yywrap): New function.
(grub_lexer_resplit): New function.
(grub_lexer_unput): New function.
* include/grub/script_sh.h (grub_lexer_param): New members, unput
and resplit.
* tests/grub_script_echo1.in: Added few more testcases.
* grub-core/boot/i386/pc/lnxboot.S: Use
GRUB_KERNEL_I386_PC_MULTIBOOT_SIGNATURE.
* grub-core/kern/i386/pc/startup.S: Move grub_prefix to compressed part.
* include/grub/offsets.h: Rename GRUB_MACHINE_DATA_END to
GRUB_MACHINE_PREFIX_END. All users updated.
(GRUB_KERNEL_I386_PC_PREFIX): Set to GRUB_KERNEL_I386_PC_RAW_SIZE.
(GRUB_KERNEL_I386_PC_PREFIX_END): Set to GRUB_KERNEL_I386_PC_PREFIX
+ 0x40.
(GRUB_KERNEL_I386_PC_RAW_SIZE): Decrease.
* util/grub-mkimage.c (image_target_desc): Change data_end to
prefix_end. All users updated.
required by the boot protocol.
* include/grub/i386/relocator.h (struct grub_relocator32_state): Add
ebp and edi members.
* grub-core/lib/i386/relocator.c (grub_relocator_boot): Handle
state.ebp and state.edi.
* grub-core/lib/i386/relocator32.S (grub_relocator32_start): Set
%ebp and %edi according to grub_relocator32_ebp and
grub_relocator32_edi respectively.
* grub-core/loader/i386/linux.c (grub_linux_boot): Zero state.ebp
and state.edi.
* util/grub-mkimage.c (image_target_desc): New enum value
IMAGE_I386_PC_PXE.
(image_targets): New target i386-pc-pxe.
(generate_image): Handle i386-pc-pxe image.
* grub-core/fs/i386/pc/pxe.c (grub_pxe_pxenv): Put correct type bangpxe.
(grub_pxe_scan): Fix types and pxe_rm_entry computation.
All users updated.
* include/grub/i386/pc/pxe.h (grub_pxe_bangpxe): New struct.
(grub_pxe_pxenv): Correct type.
* Makefile.util.def (grub-mkrescue): Use x86 tg instead of
x86_noieee1275 which are functionaly equivalent in this case.
(grub-install): Make source on each platform explicit. Enable on
all noemu.
* gentpl.py (x86_efi_pc): Removed group.
(x86_noefi): Likewise.
(i386_noefi): Likewise.
(x86_noieee1275): Likewise.
(i386_noieee1275): Likewise.
(i386_noefi_noieee1275): Likewise.
(i386_pc_qemu_coreboot): Likewise.
(i386_coreboot_multiboot): Likewise.
(i386_pc_coreboot_multiboot_qemu): Likewise.
(x86_noefi_mips): Likewise.
(noieee1275): Likewise.
(ieee1275_mips): Likewise.
(noemu_noieee1275): Likewise.
(cmos): New group.
(usb): Likewise.
(videoinkernel): Likewise.
(videomodules): Likewise.
* grub-core/Makefile.am (KERNEL_HEADER_FILES): Remove
include/grub/elf.h, include/grub/elfload.h, include/grub/net.h,
include/grub/reader.h, include/grub/symbol.h, include/grub/types.h,
include/grub/loader.h, include/grub/msdos_partition.h,
include/grub/machine/biosdisk.h, include/grub/machine/boot.h,
include/grub/machine/console.h, include/grub/machine/vga.h,
include/grub/machine/vbe.h, include/grub/machine/init.h,
include/grub/machine/kernel.h, include/grub/cpu/time.h,
include/grub/cpu/types.h, include/grub/gzio.h and include/grub/menu.h
(KERNEL_HEADER_FILES) [i386-pc]: Add include/grub/machine/int.h.
(KERNEL_HEADER_FILES) [i386-ieee1275]: Add include/grub/i386/pit.h
* grub-core/Makefile.core.def (kernel): Explicit the source for
startup. Explicit the platforms using kern/generic/rtc_get_time_ms.c.
Split ieee1275_mips. Remove kern/i386/halt.c. Remove kern/i386/misc.S.
Enable kern/i386/pit.c on all x86. Remove kern/i386/ieee1275/init.c.
Use videoinkernel tag.
(usb): Enable on all usb.
(usbserial_common): Likewise.
(usbserial_pl2303): Likewise.
(usbserial_ftdi): Likewise.
(uhci): Enable on all x86.
(ohci): Enable on all pci.
(cmostest): Enable on all CMOS.
(acpi): Include commands/acpi.c on all platforms.
(halt): Add relevant lib/*/halt.c.
(hdparm): Enable on all pci.
(lspci): Likewise.
(usbtest): Enable on all usb.
(ata): Enable on all pci.
(ata_pthru): Likewise.
(usbms): Enable on all usb.
(usb_keyboard): Likewise.
(font): Use tag videomodules.
(bufio): Likewise.
(datetime): Use tag cmos. Enable on all noemu.
(mmap): Use tags common and x86.
(gfxterm): Use tag videomodules.
(bitmap): Likewise.
(bitmap_scale): Likewise.
(video_fb): Likewise.
(video): Likewise.
* grub-core/bus/usb/ohci.c (grub_ohci_td): Make link_td a pointer and
adjust padding accordingly. All users updated.
(grub_ohci_transaction): Fix bad format specification.
(GRUB_MOD_INIT): Add asserts for struct size.
* grub-core/bus/usb/uhci.c (grub_uhci_pci_iter): Add explicit casts.
(grub_alloc_td): Likewise.
(grub_free_queue): Likewise.
(grub_uhci_transfer): Likewise.
(grub_uhci_transaction): Fix bad format specification.
* grub-core/bus/usb/usbtrans.c (grub_usb_control_msg): Likewise.
(grub_usb_bulk_readwrite): Likewise.
* grub-core/kern/i386/misc.S (grub_stop): Moved from here ...
* grub-core/commands/i386/pc/halt.c (stop): ...here. Transformed into C.
Made static.
* grub-core/lib/i386/halt.c (stop): ... and here. Transformed into C.
Made static.
* grub-core/kern/i386/pc/startup.S (grub_halt): Moved from here ...
* grub-core/commands/i386/pc/halt.c (grub_halt): ...here.
Transformed into C.
* grub-core/kern/i386/pc/startup.S (grub_biosdisk_rw_int13_extensions):
Moved from here ...
* grub-core/disk/i386/pc/biosdisk.c (grub_biosdisk_rw_int13_extensions):
... here. Transformed into C. Made static.
* grub-core/kern/i386/pc/startup.S (grub_biosdisk_rw_standard):
Moved from here ...
* grub-core/disk/i386/pc/biosdisk.c (grub_biosdisk_rw_standard):
... here. Transformed into C. Made static.
* grub-core/kern/i386/pc/startup.S
(grub_biosdisk_check_int13_extensions): Moved from here ...
* grub-core/disk/i386/pc/biosdisk.c
(grub_biosdisk_check_int13_extensions): ... here. Transformed into C.
Made static.
* grub-core/kern/i386/pc/startup.S
(grub_biosdisk_get_cdinfo_int13_extensions): Moved from here ...
* grub-core/disk/i386/pc/biosdisk.c
(grub_biosdisk_get_cdinfo_int13_extensions): ... here.
Transformed into C. Made static.
* grub-core/kern/i386/pc/startup.S
(grub_biosdisk_get_diskinfo_int13_extensions): Moved from here ...
* grub-core/disk/i386/pc/biosdisk.c
(grub_biosdisk_get_diskinfo_int13_extensions): ... here.
Transformed into C. Made static.
* grub-core/kern/i386/pc/startup.S
(grub_biosdisk_get_diskinfo_standard): Moved from here ...
* grub-core/disk/i386/pc/biosdisk.c
(grub_biosdisk_get_diskinfo_standard): ... here.
Transformed into C. Made static.
* grub-core/kern/i386/pc/startup.S
(grub_biosdisk_get_num_floppies): Moved from here ...
* grub-core/disk/i386/pc/biosdisk.c
(grub_biosdisk_get_num_floppies): ... here.
Transformed into C. Made static.
* grub-core/disk/i386/pc/biosdisk.c (grub_biosdisk_get_diskinfo_real):
New function.
* grub-core/kern/i386/pc/startup.S (grub_pxe_scan): Moved from here ...
* grub-core/fs/i386/pc/pxe.c (grub_pxe_scan): ... here.
Transformed into C. Made static.
* grub-core/kern/i386/pc/startup.S (grub_rm_entry): Moved from here ...
* grub-core/fs/i386/pc/pxe.c (grub_rm_entry): ... here.
Transformed into C. Made static.
* grub-core/kern/i386/ieee1275/init.c: Removed.
* grub-core/kern/i386/misc.S: Likewise.
* grub-core/kern/i386/pc/startup.S (grub_get_memsize):
Splitted from here ...
* grub-core/kern/i386/pc/init.c (grub_get_conv_memsize): ... here.
Transformed into C. Made static. All users updated.
* grub-core/kern/i386/pc/mmap.c (grub_get_ext_memsize): ... and here.
Transformed into C. Made static. All users updated.
* grub-core/kern/i386/pc/startup.S (grub_get_eisa_mmap):
Moved from here...
* grub-core/kern/i386/pc/mmap.c (grub_get_eisa_mmap): ... here.
Transformed into C. Made static. All users updated.
* grub-core/kern/i386/pc/startup.S (grub_get_mmap_entry):
Moved from here...
* grub-core/kern/i386/pc/mmap.c (grub_get_mmap_entry): ... here.
Transformed into C. Made static. All users updated.
* grub-core/kern/i386/pc/startup.S (grub_stop_floppy):
Removed (replaced by C version).
* grub-core/kern/i386/pc/startup.S (grub_vga_set_mode):
Moved from here...
* grub-core/video/i386/pc/vga.c (grub_vga_set_mode): ...here.
Transformed into C. Made static.
* grub-core/kern/i386/pc/startup.S (grub_vbe_bios_get_controller_info):
Moved from here...
* grub-core/video/i386/pc/vbe.c (grub_vbe_bios_get_controller_info):
... here. Transformed into C.
* grub-core/kern/i386/pc/startup.S (grub_vbe_bios_get_mode_info):
Moved from here...
* grub-core/video/i386/pc/vbe.c (grub_vbe_bios_get_mode_info):
... here. Transformed into C.
* grub-core/kern/i386/pc/startup.S (grub_vbe_bios_set_mode):
Moved from here...
* grub-core/video/i386/pc/vbe.c (grub_vbe_bios_set_mode):
... here. Transformed into C. Made static.
* grub-core/kern/i386/pc/startup.S (grub_vbe_bios_get_mode):
Moved from here...
* grub-core/video/i386/pc/vbe.c (grub_vbe_bios_get_mode):
... here. Transformed into C.
* grub-core/kern/i386/pc/startup.S
(grub_vbe_bios_getset_dac_palette_width):Moved from here...
* grub-core/video/i386/pc/vbe.c
(grub_vbe_bios_getset_dac_palette_width):... here. Transformed into C.
* grub-core/kern/i386/pc/startup.S (grub_vbe_bios_set_memory_window):
Moved from here...
* grub-core/video/i386/pc/vbe.c (grub_vbe_bios_set_memory_window):
... here. Transformed into C.
* grub-core/kern/i386/pc/startup.S (grub_vbe_bios_get_memory_window):
Moved from here...
* grub-core/video/i386/pc/vbe.c (grub_vbe_bios_get_memory_window):
... here. Transformed into C.
* grub-core/kern/i386/pc/startup.S (grub_vbe_bios_set_scanline_length):
Moved from here...
* grub-core/video/i386/pc/vbe.c (grub_vbe_bios_set_scanline_length):
... here. Transformed into C.
* grub-core/kern/i386/pc/startup.S (grub_vbe_bios_get_scanline_length):
Moved from here...
* grub-core/video/i386/pc/vbe.c (grub_vbe_bios_get_scanline_length):
... here. Transformed into C.
* grub-core/kern/i386/pc/startup.S (grub_vbe_bios_set_display_start):
Moved from here...
* grub-core/video/i386/pc/vbe.c (grub_vbe_bios_set_display_start):
... here. Transformed into C. Made static.
* grub-core/kern/i386/pc/startup.S (grub_vbe_bios_get_display_start):
Moved from here...
* grub-core/video/i386/pc/vbe.c (grub_vbe_bios_get_display_start):
... here. Transformed into C. Made static.
* grub-core/kern/i386/pc/startup.S (grub_vbe_bios_set_palette_data):
Moved from here...
* grub-core/video/i386/pc/vbe.c (grub_vbe_bios_set_palette_data):
... here. Transformed into C. Made static.
* grub-core/kern/i386/pc/startup.S (grub_pxe_call): Receive
pxe_rm_entry as third argument.
(grub_bios_interrupt): New function.
* grub-core/kern/i386/qemu/mmap.c: Remove useless include.
* grub-core/kern/i386/qemu/startup.S (codestart): Do cli;hlt instead
of calling grub_stop.
* grub-core/kern/efi/efi.c (grub_halt): Moved from here ...
* grub-core/lib/efi/halt.c (grub_halt): ...here.
* grub-core/kern/emu/main.c (grub_halt): Moved from here ...
* grub-core/lib/emu/halt.c (grub_halt): ... here.
* grub-core/lib/i386/halt.c: Moved from here ...
* grub-core/lib/i386/halt.c: ... here.
* grub-core/kern/ieee1275/openfw.c (grub_halt): Moved from here ...
* grub-core/lib/ieee1275/halt.c (grub_halt): ... here.
* grub-core/loader/i386/pc/linux.c (grub_linux16_boot): Call
grub_stop_floppy.
* grub-core/loader/i386/xnu.c (guessfsb) [IEEE1275]: Enable.
* include/grub/i386/coreboot/init.h: Removed.
* include/grub/i386/multiboot/init.h: Likewise.
* include/grub/i386/pc/biosdisk.h: Removed all function prototypes.
* include/grub/i386/pc/init.h: Likewise except grub_gate_a20.
* include/grub/i386/pc/int.h: New file.
* include/grub/i386/pc/pxe.h (GRUB_PXE_SIGNATURE): New definition.
(grub_pxe_scan): Removed.
(grub_pxe_call): Update prototype.
* include/grub/i386/pc/vbe.h: Removed EXPORT_FUNC and useless
prototypes.
* include/grub/i386/pc/vga.h (grub_vga_set_mode): Removed.
* include/grub/i386/qemu/init.h: Removed.
* include/grub/mips/yeeloong/kernel.h (grub_reboot): Add missing
noreturn.
(grub_halt): Likewise.
* include/grub/misc.h (grub_halt): Removed EXPORT_FUNC.
(grub_reboot): Likewise.
* grub-core/kern/i386/coreboot/init.c (grub_stop_floppy): Moved from here...
* include/grub/i386/floppy.h (grub_stop_floppy): ...here. Inlined.
* grub-core/kern/i386/pc/startup.S (grub_hard_stop): Removed.
* grub-core/boot/i386/pc/boot.S: Check LBA even on what appears to be
floppy.
* grub-core/disk/i386/pc/biosdisk.c (grub_biosdisk_open): Likewise.
Check for partitions on all devices.
