allow both endiannesses coexist.
* configure.ac: proparate target_cpu=mipsel rather than resetting to
mips. All conditions adjusted.
* tests/util/grub-shell-tester.in: Remove gratuitious target_cpu
variable.
* util/grub-install.in: Adjust conditions to take renaming into account.
* util/grub-mkimage.c (image_targets): Likewise. New target
mips-qemu_mips-elf for bigendian mips.
* Makefile.util.def (libgrubmods.a): Add dvh.c.
* conf/Makefile.common (CCASFLAGS_PLATFORM): Add -mips3 on all mips
platforms.
* configure.ac: New target mips-arc.
* gentpl.py: Likewise.
* grub-core/Makefile.am: Likewise.
* grub-core/Makefile.core.def: Likewise.
(xz_decompress): Remove -D GRUB_MACHINE_LINK_ADDR.
(none_decompress): Likewise.
(lsdev): New module.
(datetime): Use lib/arc/datetime.c on ARC.
(part_dvh): New module.
* grub-core/commands/arc/lsdev.c: New file.
* grub-core/disk/arc/arcdisk.c: Likewise.
* grub-core/kern/mips/arc/init.c: Likewise.
* grub-core/kern/mips/cache_flush.S: Don't flush non 4-byte
aligned addresses.
* grub-core/kern/mips/dl.c (grub_arch_dl_check_header): Fix bigendian
support.
(grub_arch_dl_relocate_symbols): Likewise.
* grub-core/kern/mips/loongson/init.c (grub_get_rtc): Moved from here...
* grub-core/kern/mips/init.c (grub_get_rtc): ... here.
* grub-core/kern/mips/startup.S (grub_arch_cpuclock): Have on all
platforms.
* grub-core/lib/arc/datetime.c: New file.
* grub-core/loader/mips/linux.c: Always include time.h. Don't include
pci.h on non-loongson.
(envp_off) [!GRUB_MACHINE_MIPS_LOONGSON]: Remove.
(grub_linux_boot): Set unused registers to 0.
(grub_cmd_linux) [!GRUB_MACHINE_MIPS_LOONGSON]: Remove envp.
* grub-core/mmap/mips/loongson/uppermem.c: Moved from here ...
* grub-core/mmap/mips/uppermem.c: ...here.
* grub-core/partmap/dvh.c: New file.
* grub-core/term/arc/console.c: Likewise.
* grub-core/term/terminfo.c (ANSI_C0_STR): New const.
(grub_terminfo_set_current): Add terminal "arc".
(grub_terminfo_readkey): Support ARC sequences.
* include/grub/arc/arc.h: New file.
* include/grub/arc/console.h: Likewise.
* include/grub/disk.h (grub_disk_dev_id): Add
GRUB_DISK_DEVICE_ARCDISK_ID.
* include/grub/mips/arc/kernel.h: New file.
* include/grub/mips/arc/memory.h: Likewise.
* include/grub/mips/arc/time.h: Likewise.
* include/grub/mips/loongson/kernel.h (grub_halt): Moved from here ...
* include/grub/mips/kernel.h (grub_halt): ... here.
* include/grub/mips/loongson.h (GRUB_CPU_REGISTER_WRAP): Moved from
here...
* include/grub/mips/mips.h (GRUB_CPU_REGISTER_WRAP): ... here.
(GRUB_CPU_LOONGSON_COP0_TIMER_COUNT): Moved from here ...
* include/grub/mips/mips.h (GRUB_CPU_LOONGSON_COP0_TIMER_COUNT): .. here
* include/grub/mips/loongson/kernel.h (grub_reboot): Removed redundant
proto.
* include/grub/mips/loongson/memory.h (GRUB_ARCH_LOWMEMVSTART): Moved
from here ...
* include/grub/mips/memory.h (GRUB_ARCH_LOWMEMVSTART): ... here.
(GRUB_ARCH_LOWMEMPSTART): Moved from here ...
* include/grub/mips/memory.h (GRUB_ARCH_LOWMEMPSTART): ... here.
(GRUB_ARCH_LOWMEMMAXSIZE): Moved from here ...
* include/grub/mips/memory.h (GRUB_ARCH_LOWMEMMAXSIZE): ... here.
(GRUB_ARCH_HIGHMEMPSTART): Moved from here ...
* include/grub/mips/memory.h (GRUB_ARCH_HIGHMEMPSTART): ... here.
(grub_phys_addr_t): Moved from here ...
* include/grub/mips/memory.h (grub_phys_addr_t): ... here.
(grub_vtop): Moved from here ...
* include/grub/mips/memory.h (grub_vtop): ... here.
(grub_map_memory): Moved from here ...
* include/grub/mips/memory.h (grub_map_memory): ... here.
(grub_unmap_memory): Moved from here ...
* include/grub/mips/memory.h (grub_unmap_memory): ... here.
(grub_machine_mmap_iterate): Moved from here ...
* include/grub/mips/memory.h (grub_machine_mmap_iterate): ... here.
(grub_mmap_get_lower): Moved from here ...
* include/grub/mips/memory.h (grub_mmap_get_lower): ... here.
(grub_mmap_get_upper): Moved from here ...
* include/grub/mips/memory.h (grub_mmap_get_upper): ... here.
* include/grub/mips/loongson/time.h (grub_arch_cpuclock): Moved from
here ...
* include/grub/mips/time.h (grub_arch_cpuclock): ... here.
* include/grub/mips/loongson/time.h (grub_get_rtc): Moved from
here ...
* include/grub/mips/time.h (grub_get_rtc): ... here.
* include/grub/mips/loongson/time.h (grub_arch_cpuclock): Moved from
here ...
* include/grub/mips/time.h (grub_arch_cpuclock): ... here.
* include/grub/mips/loongson/time.h (grub_cpu_idle): Moved from
here ...
* include/grub/mips/time.h (grub_cpu_idle): ... here.
* include/grub/offsets.h (GRUB_KERNEL_MIPS_ARC_LINK_ADDR): New
definition.
(GRUB_KERNEL_MIPS_ARC_LINK_ALIGN): Likewise.
(GRUB_KERNEL_MIPS_ARC_COMPRESSED_SIZE): Likewise.
(GRUB_KERNEL_MIPS_ARC_UNCOMPRESSED_SIZE): Likewise.
(GRUB_KERNEL_MIPS_ARC_TOTAL_MODULE_SIZE): Likewise.
(GRUB_KERNEL_MIPS_ARC_PREFIX): Likewise.
(GRUB_KERNEL_MIPS_ARC_PREFIX_END): Likewise.
(GRUB_KERNEL_MIPS_ARC_MOD_ALIGN): Likewise.
(GRUB_MACHINE_LINK_ADDR): Likewise.
* include/grub/terminfo.h (GRUB_TERMINFO_READKEY_MAX_LEN): Increased
to 6.
* util/grub-install.in: Run dvhtool on ARC.
* util/grub-mkimage.c (image_targets): Add mips-arc.
* Makefile.util.def (libgrubmods.a): Add grub-core/kern/ia64/dl_helper.c
* configure.ac: Add ia64-efi target.
Probe for __ia64_trampoline, __udivsi3, __umoddi3, __udivdi3,
__divsi3, __modsi3, __umodsi3, __moddi3 and __divdi3 symbols.
* gentpl.py: Add ia64_efi platform.
Rename x86_efi to efi and Add ia64-efi. All users updated.
* grub-core/Makefile.am: Set KERNEL_HEADER_FILES for ia64-efi.
* grub-core/Makefile.core.def (kernel.img): Add compile flags for ia64.
Remove kern/generic/rtc_get_time_ms.c on EFI.
Add kern/ia64/efi/startup.S, kern/ia64/efi/init.c, kern/ia64/dl.c,
kern/ia64/dl_helper.c on ia64-efi.
Add kern/emu/cache.c on emu.
(linux): Use on loader/ia64/efi/linux.c on ia64.
* grub-core/gensymlist.sh (grub_register_exported_symbols): Check
whether symbol is a function.
* grub-core/kern/dl.c [GRUB_MACHINE_EMU]: Include sys/mman.h.
(grub_symbol): New field 'isfunc'.
(grub_dl_resolve_symbol): Return whole symbol rather than just address.
(grub_dl_register_symbol): New argument 'isfunc'. All users updated.
(grub_dl_load_segments): Place all sections into the same region.
[__ia64__]: Create trampolines and got.
[GRUB_MACHINE_EMU]: Call mprotect.
(grub_dl_resolve_symbols): Resolve symbol type as well.
[__ia64__]: Create function descriptors.
* grub-core/kern/efi/efi.c (grub_get_rtc): Renamed to ...
(grub_rtc_get_time_ms): ... this. Expressions simplified.
(grub_get_rtc): New function.
* grub-core/kern/emu/cache.c [__ia64__]: New file.
* grub-core/kern/emu/cache.S: Renamed to ...
* grub-core/kern/emu/cache_s.S: ... this.
[__ia64__]: Add a nop.
* grub-core/kern/emu/full.c (grub_arch_dl_get_tramp_got_size)
[__ia64__]: New function.
* grub-core/kern/emu/lite.c [__ia64__]: Include ../ia64/dl.c.
* grub-core/kern/ia64/dl.c: New file.
* grub-core/kern/ia64/dl_helper.c: Likewise.
* grub-core/kern/ia64/efi/init.c: New file.
* grub-core/kern/ia64/efi/startup.S: Likewise.
* grub-core/lib/efi/halt.c [__ia64__]: Don't try acpi.
* grub-core/lib/ia64/longjmp.S: New file (from glibc).
* grub-core/lib/ia64/setjmp.S: Likewise (from glibc).
* grub-core/lib/setjmp.S [__ia64__]: Include ./ia64/setjmp.S.
* grub-core/loader/ia64/efi/linux.c: New file.
* include/grub/dl.h (GRUB_MOD_NAME): Redefined using C rather than asm.
(GRUB_MOD_DEP): Likewise.
(grub_dl) [__ia64__]: New fields got and tramp.
(grub_dl): New field 'base'.
(grub_dl_register_symbol): New argument isfunc. All users updated.
(GRUB_IA64_DL_TRAMP_ALIGN): New definition.
(GRUB_IA64_DL_TRAMP_SIZE): Likewise.
(GRUB_IA64_DL_GOT_ALIGN): Likewise.
(grub_ia64_dl_get_tramp_got_size): New proto.
(GRUB_ARCH_DL_TRAMP_ALIGN) [__ia64__]: Likewise
(GRUB_ARCH_DL_GOT_ALIGN) [__ia64__]: Likewise
(grub_arch_dl_get_tramp_got_size) [__ia64__]: Likewise
* include/grub/efi/api.h: Skip call wrappers on ia64.
* include/grub/efi/pe32.h (GRUB_PE32_MACHINE_IA64): New definition.
* include/grub/efi/time.h (GRUB_TICKS_PER_SECOND): Change to 1000.
* include/grub/elf.h (ELF_ST_INFO): New definition.
* include/grub/ia64/efi/kernel.h: New file.
* include/grub/ia64/efi/memory.h: Likewise.
* include/grub/ia64/efi/time.h: Likewise.
* include/grub/ia64/kernel.h: Likewise.
* include/grub/ia64/setjmp.h: Likewise (from glibc).
* include/grub/ia64/time.h: New file.
* include/grub/ia64/types.h: Likewise.
* include/grub/libgcc.h (__udivsi3, __umodsi3, __umoddi3, __udivdi3,
__moddi3, __divdi3, __divsi3, __modsi3, __ia64_trampoline):
New protos.
* include/grub/offsets.h (GRUB_KERNEL_IA64_EFI_PREFIX): New definition.
(GRUB_KERNEL_IA64_EFI_PREFIX_END): Likewise.
* include/grub/types.h (PRIxGRUB_ADDR): Likewise.
* util/grub-mkimage.c (image_target_desc): New field pe_target.
All users updated.
(EFI64_HEADER_SIZE): New definition. All users updated.
(image_targets): Add ia64-efi.
* util/grub-mkimagexx.c (relocate_symbols): New arguments jumpers and
jumpers_addr. All users updated.
Create function descriptors.
(count_funcs): New function.
(unaligned_uint32): New struct.
(MASK20): New definition.
(MASK19): Likewise.
(MASKF21): Likewise.
(add_value_to_slot_20b): New function.
(add_value_to_slot_21_real): Likewise.
(add_value_to_slot_21): Likewise.
(ia64_kernel_trampoline): New struct.
(nopm): New variable.
(jump): Likewise.
(make_trampoline): New function.
(relocate_addresses): Handle ia64.
(make_reloc_section): Likewise.
(load_image): Likewise.
Also-By: Robert Millan <rmh.grub@aybabtu.com>
Also-By: Vladimir Serbinenko <phcoder@gmail.com>
* configure.ac: Rename yeeloong platform to loongson. All users updated.
* grub-core/Makefile.core.def (fwstart_fuloong): New image.
* grub-core/boot/mips/loongson/fuloong.S: New file.
* grub-core/boot/mips/loongson/fwstart.S: Wait for CS5536 to come up.
Explicitly init CS5536.
[FULOONG]: Don't use serial until CS5536 is available.
Set GPIO based on dumps.
(serial_hw_init) [FULOONG]: Handle CS5536 parts.
[FULOONG]: Handle GPIO and memory controller differences.
Parse machine type in $a2.
* grub-core/boot/mips/startup_raw.S: Determine and save the
architecture.
* grub-core/bus/cs5536.c (gpiodump): Move to fwstart.S.
(grub_cs5536_init_geode): Remove gpio part. Conditionalise DIVIL
init on architecture type.
* grub-core/kern/mips/loongson/init.c (grub_machine_init): Init
SIS315E. Don't init at_keyboard on fuloong.
(grub_halt): Support Fuloong.
* grub-core/kern/mips/startup.S [LOONGSON]: Save $s7.
* grub-core/loader/mips/linux.c (LOONGSON_MACHTYPE): Removed.
(loongson_machtypes): New array.
(grub_cmd_linux) [GRUB_MACHINE_MIPS_LOONGSON]: Pass the right machine
type.
* grub-core/term/ns8250.c (serial_get_divisor): New parameter port and
config. All users updated. Handle CS5536 serial.
* grub-core/term/serial.c (grub_serial_register): Conditionalise
default port on machine type. Register serial as inactive.
* grub-core/video/sis315pro.c: New file.
* include/grub/cs5536.h (GRUB_CS5536_MSR_MAILBOX_CONFIG_ENABLED): New
definition.
(GRUB_CS5536_MSR_MAILBOX_CONFIG): Likewise.
(GRUB_CS5536_MSR_DIVIL_LEG_IO_UART1_COM1): Likewise.
(GRUB_CS5536_MSR_DIVIL_LEG_IO_UART2_COM3): Likewise.
(GRUB_CS5536_MSR_DIVIL_UART1_CONF): Likewise.
(GRUB_CS5536_MSR_DIVIL_UART2_CONF): Likewise.
* include/grub/mips/loongson.h (GRUB_CPU_LOONGSON_SHUTDOWN_GPIO): Rename
to ...
(GRUB_CPU_YEELOONG_SHUTDOWN_GPIO): ... this.
* include/grub/mips/loongson/kernel.h (GRUB_ARCH_MACHINE_YEELOONG): New
definition.
(GRUB_ARCH_MACHINE_FULOONG): Likewise.
(grub_arch_machine): New extern var.
* include/grub/mips/loongson/serial.h
(GRUB_MACHINE_SERIAL_DIVISOR_115200): Renamed to ...
(GRUB_MACHINE_SERIAL_PORT0_DIVISOR_115200): ... this.
(GRUB_MACHINE_SERIAL_PORT): Renamed to ...
(GRUB_MACHINE_SERIAL_PORT0): ... this.
(GRUB_MACHINE_SERIAL_PORT2_DIVISOR_115200): New definition.
(GRUB_MACHINE_SERIAL_PORT1): Likewise.
(GRUB_MACHINE_SERIAL_PORT2): Likewise.
(GRUB_MACHINE_SERIAL_PORTS): Include ports 1 and 2.
* include/grub/term.h (grub_term_register_input_inactive): New inline
function.
(grub_term_register_output_inactive): Likewise.
* include/grub/video.h (grub_video_driver_id): New value
GRUB_VIDEO_DRIVER_SIS315PRO.
* util/grub-mkimage.c (image_target_desc): Rename name to dirname.
New field "names". All users updated.
New field value IMAGE_FULOONG_FLASH.
(generate_image): USe separate fwstart hashes for yeeloong and fuloong.
* conf/Makefile.common (STRIPFLAGS_KERNEL): Add -F elf32-i386 and
-R .drectve on cygwin.
* conf/i386-pc-cygwin-img-ld.sc: Merge rdata and pdata into data.
* configure.ac: Use $(top_builddir) in TARGET_OBJ2ELF.
(COND_CYGWIN): New condition.
* grub-core/Makefile.am (%.mod): Set TARGET_OBJ2ELF.
* grub-core/genmod.sh.in: Use ${TARGET_OBJ2ELF} and
not @TARGET_OBJ2ELF@.
* util/grub-pe2elf.c (write_symbol_table): Use pe_symtab->type and not
type to determine whether aux is to be used.
On mips-yeeloong, build with -march=loongson2f when this flag is
available (GCC >= 4.4).
* conf/Makefile.common [COND_mips_yeeloong] (CFLAGS_PLATFORM): Remove
`-march=mips3'.
* configure.ac: For mips-yeeloong, add -march=loongson2f if available,
or otherwise add -march=mips3.
* configure.ac: --enable-cache-stats added.
* config.h.in (DISK_CACHE_STATS): New define.
* grub-core/Makefile.core.def (cacheinfo): New command.
* include/grub/disk.h(grub_disk_cache_get_performance): New function.
* grub-core/commands/cacheinfo.c: New file.
* grub-core/commands/minicmd.c (grub_rescue_cmd_info): Updated and
moved to cacheinfo.c.
* grub-core/kern/disk.c: Use DISK_CACHE_STATS to disable disk cache
debug code.
* include/grub/disk.h: Likewise.
* autogen.sh: Create symlinks to ${GRUB_CONTRIB} if necessary to
avoid confusing Automake. Run autogen only twice, once for the top
level and once for grub-core. Add Makefile.util.def and
Makefile.core.def from extra modules to the appropriate autogen
invocations. If Makefile.common exists in an extra module, include
it in both Makefile.util.am and grub-core/Makefile.core.am;
similarly, include any Makefile.util.common file in Makefile.util.am
and any Makefile.core.common file in grub-core/Makefile.core.am.
* conf/Makefile.common ($(top_srcdir)/grub-core/Makefile.core.am):
Depend on $(top_srcdir)/grub-core/Makefile.gcry.def.
($(top_srcdir)/grub-core/Makefile.gcry.def): Remove.
* grub-core/Makefile.am: Remove inclusion of Makefile.gcry.am.
* gentpl.py (gvar_add): Turn GVARS into a set.
(global_variable_initializers): Sort global variables on output.
(vars_init): New function.
(first_time): Likewise.
(library): Ensure that non-global variable initialisations are
emitted before the first time we emit code for a library block.
Append to variables rather than setting them. Only emit
noinst_LIBRARIES, BUILT_SOURCES, and CLEANFILES the first time for
each conditional path.
(program): installdir() emits an Autogen macro, so must be passed to
var_add rather than gvar_add.
(data): Likewise.
(script): Likewise.
(rules): New function, centralising handling for different target
types. Set up Guile association lists for first_time and vars_init,
and send most output to a diversion so that variable initialisations
can be emitted first.
(module_rules): Use new rules function.
(kernel_rules): Likewise.
(image_rules): Likewise.
(library_rules): Likewise.
(program_rules): Likewise.
(script_rules): Likewise.
(data_rules): Likewise.
* configure.ac: Add AC_PROG_LN_S, for the benefit of ntldr-img.
* .bzrignore: Add contrib and grub-core/contrib. Remove
grub-core/Makefile.gcry.am.
* Add gnulib files generated by gnulib-tool in build-aux, m4 and
grub-core/gnulib directories
* .bzignore: Add **/.deps and autogenerated gnulib files
* configure.ac: Assign auxiliary directory to build-aux, add invocation
of gnulib macros, add grub-core/gnulib/Makefile
* Makefile.am: Add gnulib directory in SUBDIRS (removing unnecessary .),
include m4 directory to aclocal.
* Makefile.util.def: Remove direct compilation of gnulib source files
and use the new grub-core/gnulib/libgnu.a.
* build-aux/config.rpath: move config.rpath from top directory to
build-aux
* conf/Makefile.common: Remove the macro _GL_UNUSED already defined
in gnulib headers
* conf/Makefile.extra-dist: Add m4/gnulib-cache.m4
* grub-core/Makefile.core.def: Remove unnecessary extra_dist
* grub-core/lib/posix_wrap/localcharset.h (locale_charset): Update
header.
* grub-core/lib/posix_wrap/langinfo.h (nl_langinfo): Return static
string.
* 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.
* 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.
* configure.ac: Remove checks for getfsstat() and getmntany().
Add checks for `<sys/param.h>' and `<sys/mount.h>'.
* kern/emu/misc.c [HAVE_GETMNTANY]: Remove `<sys/mnttab.h>'.
[HAVE_SYS_PARAM_H]: Include `<sys/param.h>'.
[HAVE_SYS_MOUNT_H]: Include `<sys/mount.h>'.
[HAVE_LIBZFS && HAVE_LIBNVPAIR] (find_mount_point_from_dir): Remove
function.
(grub_find_zpool_from_dir): Use statfs() instead of indirect matching
via find_mount_point_from_dir() and getfsstat() / getmntany().
* configure.ac: Check for `libzfs.h' and `libnvpair.h'.
* include/grub/util/libnvpair.h: Include `<config.h>'.
[HAVE_LIBNVPAIR_H]: Include `<libnvpair.h>' instead of
declaring libnvpair prototypes ourselves.
* include/grub/util/libzfs.h: Include `<config.h>'.
[HAVE_LIBZFS_H]: Include `<libzfs.h>' instead of
declaring libzfs prototypes ourselves.
(libzfs_handle): Moved to ...
* include/grub/util/misc.h (libzfs_handle): ... here.
Include `<grub/util/libzfs.h>'.
Enable `grub-probe -t device' resolution on ZFS.
* configure.ac: Check for getfsstat(), libzfs and libnvpair.
* include/grub/util/libnvpair.h: New file.
* include/grub/util/libzfs.h: New file.
* kern/emu/getroot.c: Include `<assert.h>' and `<error.h>'.
[HAVE_LIBZFS && HAVE_LIBNVPAIR]: Include `<grub/util/libzfs.h>' and
`<grub/util/libnvpair.h>'.
[HAVE_GETFSSTAT]: Include `<sys/mount.h>'.
(find_mount_point_from_dir): New static function.
[HAVE_LIBZFS && HAVE_LIBNVPAIR] (find_root_device_from_libzfs): New
function.
[HAVE_LIBZFS && HAVE_LIBNVPAIR] (grub_guess_root_device): Use
find_root_device_from_libzfs() before ressorting to find_root_device().
* include/grub/util/misc.h (grub_util_init_libzfs): New function
prototype.
* util/misc.c: Include `<grub/util/libzfs.h>'.
(grub_util_init_libzfs): New function.
[HAVE_LIBZFS] (libzfs_handle): New global variable.
[HAVE_LIBZFS] (fini_libzfs): New static function.
(grub_util_init_libzfs): New function.
* util/grub-probe.c (main): Call grub_util_init_libzfs().
