* include/grub/err.h (grub_err_printf): New function prototype.
* util/misc.c (grub_err_printf): New function.
* kern/misc.c [! GRUB_UTIL] (grub_err_printf): New alias for
grub_printf.
* kern/err.c (grub_print_error): Use grub_err_printf.
* loader/i386/pc/multiboot.c (grub_multiboot_load_elf32): Move part
of the relocation code from here ...
(grub_multiboot): ... to here.
(forward_relocator, backward_relocator): Move from here ...
* kern/i386/loader.S (grub_multiboot_forward_relocator)
(grub_multiboot_backward_relocator): ... to here.
(grub_multiboot_real_boot): Use %edx for entry offset. Put Multiboot
magic in %eax. Use %ebp for jumping (so %edx is not trashed).
* include/grub/i386/loader.h (grub_multiboot_forward_relocator)
(grub_multiboot_forward_relocator_end)
(grub_multiboot_backward_relocator)
(grub_multiboot_backward_relocator_end): New variables.
* disk/ata.c (grub_ata_regget): Change return type to
`grub_uint8_t'.
(grub_ata_regget2): Likewise.
(grub_ata_wait_status): New function.
(grub_ata_wait_busy): Removed function, updated all users to use
`grub_ata_wait_status'.
(grub_ata_wait_drq): Likewise.
(grub_ata_cmd): New function.
(grub_ata_pio_read): Change return type to `grub_uint8_t'. Add
error handling.
(grub_ata_pio_write): Add error handling.
(grub_atapi_identify): Likewise.
(grub_atapi_packet): Use `grub_ata_cmd' and improve error
handling.
(grub_ata_identify): Use `grub_ata_cmd' and improve error
handling. Actually use the detected registers. Reorder the
detection logic such that it is easier to read.
(grub_ata_pciinit): Do not assign the same ID to each controller.
(grub_ata_setaddress): Use `grub_ata_cmd' and improve error
handling.
(grub_atapi_readsector): Check the result of `grub_ata_pio_read'.
* include/grub/err.h (grub_err_t): Add `GRUB_ERR_TIMEOUT'.
High resolution timer support. Implemented for x86 CPUs using TSC.
Extracted generic grub_millisleep() so it's linked in only as needed.
This requires a Pentium compatible CPU; if the RDTSC instruction is
not supported, then it falls back on the generic grub_get_time_ms()
implementation that uses the machine's RTC.
* conf/i386-pc.rmk (kernel_img_SOURCES): Add `kern/time.c',
`kern/i386/tsc.c', `kern/generic/rtc_get_time_ms.c' and
`kern/generic/millisleep.c'.
* conf/i386-efi.rmk (kernel_mod_SOURCES): Add `kern/i386/tsc.c',
`kern/generic/rtc_get_time_ms.c' and `kern/generic/millisleep.c'.
* conf/x86_64-efi.rml (kernel_mod_SOURCES): Add
`kern/generic/millisleep.c' and `kern/generic/rtc_get_time_ms.c'.
* conf/sparc64-ieee1275.rmk (kernel_elf_SOURCES): Likewise.
* conf/powerpc-ieee1275.rmk (kernel_elf_SOURCES): Add
`kern/generic/millisleep.c'.
* conf/i386-ieee1275.rmk (kernel_elf_SOURCES): Likewise.
* conf/i386-coreboot.rmk (kernel_elf_SOURCES): Add `kern/time.c'.
* kern/generic/rtc_get_time_ms.c: New file.
* kern/generic/millisleep.c: New file.
* kern/misc.c: Don't include
<kern/time.h> anymore.
(grub_millisleep_generic): Removed.
* commands/sleep.c (grub_interruptible_millisleep): Uses
grub_get_time_ms() instead of grub_get_rtc().
* include/grub/i386/tsc.h (grub_get_tsc): New file. New inline
function.
(grub_cpu_is_cpuid_supported): New inline function.
(grub_cpu_is_tsc_supported): New inline function.
(grub_tsc_init): New function prototype.
(grub_tsc_get_time_ms): New function prototype.
* kern/i386/tsc.c (grub_get_time_ms): New file.
* include/grub/time.h: Include <grub/types.h.
(grub_millisleep_generic): Removed.
(grub_get_time_ms): New prototype.
(grub_install_get_time_ms): New prototype.
(grub_rtc_get_time_ms): New prototype.
* kern/time.c (grub_get_time_ms): New function.
(grub_install_get_time_ms): New function.
* kern/i386/efi/init.c: Include <grub/cpu/tsc.h>. Don't include
<grub/time.h> anymore.
(grub_millisleep): Removed.
(grub_machine_init): Call grub_tsc_init.
* kern/i386/linuxbios/init.c (grub_machine_init): Install the RTC
get_time_ms() implementation.
* kern/sparc64/ieee1275/init.c (grub_millisleep): Removed.
(ieee1275_get_time_ms): New function.
(grub_machine_init): Install get_time_ms() implementation.
* kern/i386/pc/init.c: Include <grub/cpu/tsc.h>.
(grub_machine_init): Call grub_tsc_init().
(grub_millisleep): Removed.
* kern/ieee1275/init.c (grub_millisleep): Removed.
(grub_machine_init): Install ieee1275_get_time_ms()
implementation.
(ieee1275_get_time_ms): New function.
(grub_get_rtc): Now calls ieee1275_get_time_ms(), which does the
real work.
* disk/memdisk.c (memdisk_size): Don't initialize.
(GRUB_MOD_INIT(memdisk)): Find memdisk using grub_module_iterate().
* include/grub/i386/pc/kernel.h
(GRUB_KERNEL_MACHINE_MEMDISK_IMAGE_SIZE): Remove macro.
(GRUB_KERNEL_MACHINE_PREFIX, GRUB_KERNEL_MACHINE_DATA_END): Shift.
(grub_memdisk_image_size, grub_arch_memdisk_addr)
(grub_arch_memdisk_size): Remove.
* include/grub/kernel.h (struct grub_module_header): Remove `offset'
field (was only used to transfer a constant). Add `type' field to
support multiple module types.
(grub_module_iterate): New function.
* kern/device.c (grub_device_open): Do not hide error messages
when grub_disk_open() fails. Use grub_print_error() instead.
* kern/i386/pc/init.c (grub_arch_modules_addr)
(grub_arch_memdisk_size): Remove functions.
(grub_arch_modules_addr): Return the module address in high memory
(now that it isn't copied anymore).
* kern/i386/pc/startup.S (grub_memdisk_image_size): Remove variable.
(codestart): Don't add grub_memdisk_image_size to %ecx in LZMA
decompression routine (grub_total_module_size already includes that
now). Don't copy modules back to low memory.
* kern/main.c: Include `<grub/mm.h>'.
(grub_load_modules): Split out (and use) ...
(grub_module_iterate): ... this function, which iterates through
module objects and runs a hook.
Comment out grub_mm_init_region() call, as it would cause non-ELF
modules to be overwritten.
* util/i386/pc/grub-mkimage.c (generate_image): Instead of appending
the memdisk image in its own region, make it part of the module list.
* util/elf/grub-mkimage.c (options): Add "memdisk"|'m' option.
(main): Parse --memdisk|-m option, and pass user-provided path as
parameter to generate_image().
(add_segments): Pass `memdisk_path' down to load_modules().
(load_modules): Embed memdisk image in module section when requested.
* util/i386/efi/grub-mkimage.c (make_mods_section): Initialize
`header.type' instead of `header.offset'.
* conf/powerpc-ieee1275.rmk (pkglib_MODULES): Add `memdisk.mod'.
(memdisk_mod_SOURCES, memdisk_mod_CFLAGS)
(memdisk_mod_LDFLAGS): New variables.
* conf/i386-coreboot.rmk: Likewise.
* conf/i386-ieee1275.rmk: Likewise.
* loader/i386/pc/multiboot.c (playground, forward_relocator)
(backward_relocator): New variables. Used to allocate and relocate
the payload, respectively.
(grub_multiboot_load_elf32): Load into heap instead of requested
address, install the appropiate relocator code in each bound of
the payload, and set the entry point such that
grub_multiboot_real_boot() will jump to one of them.
* kern/i386/loader.S (grub_multiboot_payload_size)
(grub_multiboot_payload_orig, grub_multiboot_payload_dest)
(grub_multiboot_payload_entry_offset): New variables.
(grub_multiboot_real_boot): Set cpu context to what the relocator
expects, and jump to the relocator instead of the payload.
* include/grub/i386/loader.h (grub_multiboot_payload_size)
(grub_multiboot_payload_orig, grub_multiboot_payload_dest)
(grub_multiboot_payload_entry_offset): Export.
* conf/common.rmk (pkglib_MODULES): Add bufio.mod.
(bufio_mod_SOURCES): New macro.
(bufio_mod_CFLAGS): Likewise.
(bufio_mod_LDFLAGS): Likewise.
* include/grub/bufio.h: New file.
* io/bufio.c: Likewise.
* video/png.c: Replace <grub/file.h> with <grub/bufio.h>.
(grub_video_reader_png): Use grub_buffile_open to open file.
* video/jpeg.c: Replace <grub/file.h> with <grub/bufio.h>.
(grub_video_reader_jpeg): Use grub_buffile_open to open file.
* video/tga.c: Replace <grub/file.h> with <grub/bufio.h>.
(grub_video_reader_tga): Use grub_buffile_open to open file.
* font/manager.c: Include <grub/bufio.h>.
(add_font): Use grub_buffile_open to open file.
* include/grub/i386/pc/kernel.h (GRUB_KERNEL_MACHINE_DATA_END):
Increase from 0x50 to 0x60.
* util/i386/pc/grub-install.in: Detect cross-disk installs, and
use UUIDs to identify the root drive for them. If that's not
possible, abort.
* util/i386/pc/grub-setup.c (setup): Do not special-case, or even
check, for cross-disk installs.
* kern/ieee1275/init.c (grub_machine_set_prefix): If `grub_prefix'
is non-empty, use it to set the `prefix' environment variable instead
of the usual approach.
* kern/i386/linuxbios/init.c (make_install_device): Remove function.
(grub_machine_set_prefix): Use `grub_prefix' to set the `prefix'
environment variable instead of dummy make_install_device().
* kern/i386/ieee1275/startup.S: Include `<grub/machine/kernel.h>'.
(start): Insert a data section, with `grub_prefix' variable.
* kern/i386/linuxbios/startup.S: Likewise.
* include/grub/powerpc/ieee1275/kernel.h [!ASM_FILE] (grub_prefix):
New variable reference.
* include/grub/i386/ieee1275/kernel.h (GRUB_KERNEL_MACHINE_PREFIX):
New macro. Defines offset of `grub_prefix' within startup.S (relative
to `start').
(GRUB_KERNEL_MACHINE_DATA_END): New macro. Defines the end of data
section within startup.S (relative to `start').
* include/grub/i386/coreboot/kernel.h: Likewise.
* util/elf/grub-mkimage.c (add_segments): Receive `prefix' parameter.
Overwrite grub_prefix with its contents, at the beginning of the
first segment.
(main): Understand -p|--prefix.
* common.rmk (bin_UTILITIES): Add grub-pe2elf.
(grub_pe2elf_SOURCES): New macro.
(CLEANFILES): Add grub-pe2elf.
* include/grub/efi/pe32.h (GRUB_PE32_SCN_ALIGN_1BYTES): New constant.
(GRUB_PE32_SCN_ALIGN_2BYTES): Likewise.
(GRUB_PE32_SCN_ALIGN_4BYTES): Likewise.
(GRUB_PE32_SCN_ALIGN_8BYTES): Likewise.
(GRUB_PE32_SCN_ALIGN_16BYTES): Likewise.
(GRUB_PE32_SCN_ALIGN_32BYTES): Likewise.
(GRUB_PE32_SCN_ALIGN_64BYTES): Likewise.
(GRUB_PE32_SCN_ALIGN_SHIFT): Likewise.
(GRUB_PE32_SCN_ALIGN_MASK): Likewise.
(GRUB_PE32_SYM_CLASS_EXTERNAL): Likewise.
(GRUB_PE32_SYM_CLASS_STATIC): Likewise.
(GRUB_PE32_SYM_CLASS_FILE): Likewise.
(GRUB_PE32_DT_FUNCTION): Likewise.
(GRUB_PE32_REL_I386_DIR32): Likewise.
(GRUB_PE32_REL_I386_REL32): Likewise.
(grub_pe32_symbol): New structure.
(grub_pe32_reloc): Likewise.
* util/grub-pe2elf.c: New file.
* configure.ac: Set TARGET_OBJ2ELF if host os is cygwin. Don't test for
start symbol in non pc platform.
* genmk.rb: Use TARGET_OBJ2ELF to convert native object format to elf.
The following patches are from Christian Franke.
* include/grub/dl.h: Remove .previous, gas supports this only
for ELF format.
* include/grub/symbol.h [__CYGWIN__] (#define FUNCTION/VARIABLE):
Remove .type, gas supports this only for ELF format.
* kern/dl.c (grub_dl_resolve_dependencies): Add check for trailing
nullbytes in symbol table. This fixes an infinite loop if table is
zero filled.
* Makefile.in: Add autoconf replacements TARGET_IMG_LDSCRIPT,
TARGET_IMG_LDFLAGS and EXEEXT.
* aclocal.m4 (grub_PROG_OBJCOPY_ABSOLUTE): Replace -Wl,-N by
TARGET_IMG_LDFLAGS_AC.
(grub_CHECK_STACK_ARG_PROBE): New function.
* conf/i386-pc.rmk: Replace -Wl,-N by TARGET_IMG_LDFLAGS.
* conf/i386-pc-cygwin-ld-img.sc: New linker script.
* configure.ac: Add check for linker script "conf/${target}-img-ld.c"
to set TARGET_IMG_LD* accordingly.
Add check for Cygwin to set TARGET_MOD_OBJCOPY accordingly.
Add call to grub_CHECK_STACK_ARG_PROBE.
Use TARGET_IMG_LDFLAGS to check start, bss_start, end symbols.
* genkernsyms.sh.in: Handle HAVE_ASM_USCORE case.
* genmk.rb: Add EXEEXT to CLEANFILES.
* kern/i386/linuxbios/init.c (grub_machine_init): Cast addr to
grub_addr_t before casting it to the void pointer to fix a
warning. Non-addressable regions are discarded earlier.
(grub_arch_modules_addr): Cast _end to grub_addr_t.
* kern/i386/linuxbios/table.c: Include grub/misc.h.
(check_signature): Don't shadow table_header.
(grub_linuxbios_table_iterate): Cast numeric constants to
grub_linuxbios_table_header_t.
* include/grub/i386/linuxbios/init.h: Add noreturn attribute to
grub_stop().
* include/grub/ieee1275.h (grub_ieee1275_flag): New constant
GRUB_IEEE1275_FLAG_CANNOT_INTERPRET, GRUB_IEEE1275_FLAG_FORCE_CLAIM
and GRUB_IEEE1275_FLAG_NO_ANSI.
* kern/ieee1275/cmain.c (grub_ieee1275_find_options): Set flag
GRUB_IEEE1275_FLAG_CANNOT_INTERPRET, GRUB_IEEE1275_FLAG_FORCE_CLAIM
and GRUB_IEEE1275_FLAG_NO_ANSI for Open Hackware.
* kern/ieee1275/ieee1275.c (grub_ieee1275_interpret): Return
immediately if GRUB_IEEE1275_FLAG_CANNOT_INTERPRET is set.
* kern/ieee1275/init.c (grub_claim_heap): Claim memory directly if
GRUB_IEEE1275_FLAG_FORCE_CLAIM is set.
* term/ieee1275/ofconsole.c (grub_ofconsole_writeesc): Don't output
esc sequence on non ANSI terminal.
(grub_ofconsole_gotoxy): Emulate backspace key on non ANSI terminal.
* util/elf/grub-mkimage.c (add_segments): Move ELF header to the
beginning of file.
* fs/fshelp.c (grub_fshelp_read): New function. Implement
linear disk read with journal translation.
* fs/ext2.c: Use grub_fshelp_read() instead of grub_disk_read().
* include/grub/fshelp.h: Declare grub_fshelp_read().
Ensure GRUB_KERNEL_MACHINE_DATA_END is always consistent with the
rest of GRUB, and breakage doesn't happen if its value were modified.
* include/grub/i386/pc/kernel.h (GRUB_KERNEL_MACHINE_RAW_SIZE):
Redefine as an offset from `GRUB_KERNEL_MACHINE_DATA_END' instead of
a constant (same value).
* kern/i386/pc/startup.S: Replace hardcoded `0x50' with
`GRUB_KERNEL_MACHINE_DATA_END' (same value).
* commands/search.c (options): Add --fs_uuid option.
(search_fs_uuid): New function.
(grub_cmd_search): Fix --set argument passing.
Use search_fs_uuid() when requested via --fs_uuid.
(grub_search_init): Update help message.
* fs/ext2.c (struct grub_ext2_sblock): Rename `unique_id' to `uuid'
and redeclare it as an array of 16-bit words.
(grub_ext2_uuid): New function.
(grub_ext2_fs): Reference grub_ext2_uuid() in `uuid' struct member.
* include/grub/fs.h (struct grub_fs): Add `uuid' struct member.
* util/update-grub.in (GRUB_DEVICE_UUID, GRUB_DEVICE_BOOT)
(GRUB_DEVICE_BOOT_UUID): New variables.
(GRUB_DRIVE. GRUB_DRIVE_BOOT. GRUB_DRIVE_BOOT_GRUB): Remove.
* util/grub.d/00_header.in: Set root using `search --fs_uuid' command
whenever possible.
* util/grub.d/10_hurd.in: Avoid explicit use of root drive. Instead,
just assume `root' variable has the right value.
* util/grub.d/10_linux.in: Likewise.
* util/grub-probe.c (probe): Probe for filesystem UUID when requested
via PRINT_FS_UUID.
(main): Recognise `-t fs_uuid' argument.
* include/grub/script.h: Don't include grub_script.tab.h. It's
a generated file, which may only be included from the files with
DEPENDENCIES rules in the makefile. Don't use typedef YYSTYPE,
use union YYSTYPE, as the later allows forward declaration.
* normal/lexer.c: Don't use typedef YYSTYPE, use union YYSTYPE.
* fs/fshelp.c (grub_fshelp_map_block): New function.
(grub_fshelp_find_file): Use 64-bit type for pos and block address.
Use `>>' and `&' operator to avoid 64-bit divide and modulo.
* include/grub/fshelp.h (grub_fshelp_journal_type): New enum.
(GRUB_FSHELP_JOURNAL_UNUSED_MAPPING): New macro.
(grub_fshelp_journal): New structure.
(grub_fshelp_map_block): New function prototype.
(grub_fshelp_read_file): Use grub_disk_addr_t as block type.
(grub_fshelp_map_block): Likewise.
* fs/ext2.c (EXT3_FEATURE_COMPAT_HAS_JOURNAL): New macro.
(EXT3_JOURNAL_MAGIC_NUMBER): Likewise.
(EXT3_JOURNAL_DESCRIPTOR_BLOCK): Likewise.
(EXT3_JOURNAL_COMMIT_BLOCK): Likewise.
(EXT3_JOURNAL_SUPERBLOCK_V1): Likewise.
(EXT3_JOURNAL_SUPERBLOCK_V2): Likewise.
(EXT3_JOURNAL_REVOKE_BLOCK): Likewise.
(EXT3_JOURNAL_FLAG_ESCAPE): Likewise.
(EXT3_JOURNAL_FLAG_SAME_UUID): Likewise.
(EXT3_JOURNAL_FLAG_DELETED): Likewise.
(EXT3_JOURNAL_FLAG_LAST_TAG): Likewise.
(grub_ext2_sblock): New members for journal support.
(grub_ext3_journal_header): New structure.
(grub_ext3_journal_revoke_header): Likewise.
(grub_ext3_journal_block_tag): Likewise.
(grub_ext3_journal_sblock): Likewise.
(grub_fshelp_node): New members logfile and journal.
(grub_ext2_read_block): Change block type to grub_disk_addr_t. Use
grub_fshelp_map_block to get real block number.
(grub_ext2_blockgroup): Use grub_fshelp_map_block to get real block
number.
(grub_ext2_read_inode): Likewise.
(grub_ext3_get_journal): New function.
(grub_read_inode): Initialize journal using grub_ext3_get_journal.
(grub_ext2_close): Release memory used by journal.
* fs/reiserfs.c (REISERFS_MAGIC_STRING): Changed to "ReIsEr".
(REISERFS_MAGIC_DESC_BLOCK): New macro.
(grub_reiserfs_transaction_header): Renamed to
grub_reiserfs_description_block, replace field data with real_blocks.
(grub_reiserfs_commit_block): New structure.
(grub_reiserfs_data): New member journal.
(grub_reiserfs_get_item): Use grub_fshelp_map_block to get real block
number.
(grub_reiserfs_read_symlink): Likewise.
(grub_reiserfs_iterate_dir): Likewise.
(grub_reiserfs_open): Likewise.
(grub_reiserfs_read): Likewise.
(grub_reiserfs_get_journal): New function.
(grub_reiserfs_mount): Use "ReIsEr" as super block magic, as there are
three varieties ReIsErFs, ReIsEr2Fs and ReIsEr3Fs. Initialize journal
using grub_reiserfs_get_journal.
(grub_reiserfs_close): Release memory used by journal.
* fs/affs.c (grub_affs_read_block): Change block type to
grub_disk_addr_t. Use grub_divmod64 to do 64-bit division.
* fs/afs.c (grub_afs_read_block): Change block type to grub_disk_addr_t.
* fs/hfsplus.c (grub_hfsplus_read_block): Likewise.
* fs/ntfs.c (grub_ntfs_read_block): Likewise.
* fs/udf.c (grub_udf_read_block): Change block type to
grub_disk_addr_t. Use type cast to avoid warning.
* fs/xfs.c (grub_xfs_read_block): Likewise.
* Makefile.in (RMKFILES): Add missing arch i386-ieee1275 and
i386-linuxbios.
* commands/hexdump.c (grub_cmd_hexdump): Support dumping of device,
change the buffer size to 4096 for cdrom device.
* conf/i386-ieee1275.rmk (pkglib_MODULES): Add _linux.mod, linux.mod
and nand.mod.
(_linux_mod_SOURCES): New variable.
(_linux_mod_CFLAGS): Likewise.
(_linux_mod_LDFLAGS): Likewise.
(linux_mod_SOURCES): Likewise.
(linux_mod_CFLAGS): Likewise.
(linux_mod_LDFLAGS): Likewise.
(nand_mod_SOURCES): Likewise.
(nand_mod_CFLAGS): Likewise.
(nand_mod_LDFLAGS): Likewise.
* disk/ieee1275/ofdisk.c (grub_ofdisk_open): Return
GRUB_ERR_UNKNOWN_DEVICE instead of GRUB_ERR_BAD_DEVICE if no device
type property. (nand device in olpc don't have this property)
* include/grub/disk.h (grub_disk_dev_id): New macro
GRUB_DISK_DEVICE_NAND_ID.
* include/grub/i386/ieee1275/loader.h (grub_rescue_cmd_linux): New
function prototype.
(grub_rescue_cmd_initrd): Likewise.
* include/grub/i386/linux.h (GRUB_LINUX_OFW_SIGNATURE): New macro.
(linux_kernel_params): Add new member ofw_signature, ofw_num_items,
ofw_cif_handler and ofw_idt, adjust padding number.
* include/grub/i386/pc/memory.h (grub_upper_mem): Export it if
GRUB_MACHINE_IEEE1275 is defined.
* include/grub/ieee1275/ieee1275.h (grub_available_iterate):
Use NESTED_FUNC_ATTR attribute on the hook parameter.
* kern/powerpc/ieee1275/init.c (grub_claim_heap): Use NESTED_FUNC_ATTR
on nested function heap_init.
(grub_upper_mem): New variable for i386-ieee1275.
(grub_get_extended_memory): New function for i386-ieee1275.
(grub_machine_init): Call grub_get_extended_memory for i386-ieee1275.
* kern/powerpc/ieee1275/openfw.c (grub_available_iterate): Use
NESTED_FUNC_ATTR on the hook parameter. Don't quit if no device type
property.
* loader/i386/ieee1275/linux.c: New file.
* loader/i386/ieee1275/linux_normal.c: New file.
* disk/ieee1275/nand.c: New file.
Restructures early code path on ieee1275 to unify grub_main() as
the first C function that is executed in every platform.
* include/grub/ieee1275/ieee1275.h (grub_ieee1275_init): New prototype.
* kern/i386/ieee1275/startup.S (_start): Jump to grub_main() instead of
cmain().
* kern/powerpc/ieee1275/crt0.S (_start): Likewise.
* kern/ieee1275/cmain.c (cmain): Rename to ...
* kern/ieee1275/cmain.c (grub_ieee1275_init): ... this.
* kern/ieee1275/init.c (grub_machine_init): Call grub_ieee1275_init()
at the beginning.
* video/reader/png.c (grub_png_data): New member is_16bit and
image_data.
(grub_png_decode_image_header): Detect 16 bit png image.
(grub_png_convert_image): New function to convert 16 bit image to 8 bit.
(grub_png_decode_png): Call grub_png_convert_image for 16 bit image.
(grub_video_reader_png): Release memory occupied by image_data.
* fs/ntfs.c (find_attr): Handle non-resident attribute list larger than
4096 bytes.
(grub_nfs_mount): Skip the test for sector per cluster.
* include/grub/ntfs.h (MAX_SPC): Removed.
* fs/udf.c (grub_udf_mount): Fix warning about a shadowing a
variable.
* include/grub/i386/loader.h: Change declaration of
grub_linux_boot() to match what grub_loader_set() expects.
* util/getroot.c (grub_guess_root_device): Return const char* to
fix a warning.
* util/grub-probe.c (probe): Fix a warning about uninitialized
abstraction_name variable.
* util/i386/get_disk_name.c (grub_util_get_disk_name): Mark
second argument as unused to fix a warning.
* include/grub/util/getroot.h (grub_util_check_block_device): Export new
function.
* util/getroot.c (grub_util_check_block_device): New function that
returns the given argument if it is a block device and returns NULL else.
* util/grub-probe.c (argument_is_device): New variable.
(probe): Promote device_name from a variable to an argument. Receive
device_name from grub_util_check_block_device() if path is NULL and from
grub_guess_root_device() else. Do not free() device_name anymore.
(options): Introduce new parameter '-d, --device'.
(main): Add description of the new parameter to the help screen.
Rename path variable to argument. Set argument_is_device if the '-d'
option is given. Pass argument to probe() depending on
argument_is_device.
