* conf/i386-coreboot.rmk (sbin_SCRIPTS): Add `grub-install'.
(grub_install_SOURCES): New variable.
* util/i386/pc/grub-install.in: Add a few condition checks to make it
usable on coreboot.
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.
* util/grub-fstest.c (grub_term_get_current_input): Change return type
to `grub_term_input_t'.
(grub_term_get_current_output): Change return type to
`grub_term_output_t'.
Fix breakage on coreboot due to declaration missmatch.
* term/i386/pc/vga_text.c (grub_vga_text_init_fini): New function.
(grub_vga_text_term): Use grub_vga_text_init_fini() instead of
grub_vga_text_cls().
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.
Fix a regression introduced by the at_keyboard.mod split. Because
some terminals are default on some platforms and non-default on
others, the first terminal being registered determines which is
going to be default.
* kern/term.c (grub_term_register_input): If this is the first
terminal being registered, set it as the current one.
(grub_term_register_output): Likewise.
* term/efi/console.c (grub_console_init): Do not call
grub_term_set_current_output() or grub_term_set_current_input().
* term/ieee1275/ofconsole.c (grub_console_init): Likewise.
* term/i386/pc/console.c (grub_console_init): Likewise.
(grub_console_fini): Do not call grub_term_set_current_input()
(but leave grub_term_set_current_output() to restore text mode).
* term/i386/pc/vesafb.c (grub_vesafb_term): Change type to
`struct grub_term_output'. Remove `.checkkey' and `.getkey'
members. Update all users.
* util/console.c (grub_ncurses_term): Split in ...
(grub_ncurses_term_input): ... this, and ...
(grub_ncurses_term_output): ... this. Update all users.
* 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): Fix possible NULL value handling
(add a missing NULL check, and correct them by moving the pointer
operations after the actual check).
* 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.
* util/update-grub_lib.in: Copy to ...
* util/grub-mkconfig_lib.in: ... this. Update all users.
* util/update-grub_lib.in: Make it a stub to `grub-mkconfigig_lib.in'.
* util/update-grub.in: Rename to ...
* util/grub-mkconfig.in: ... this. Update all users. Remove `-y'
option. Add `--output' option to allow users to specify the generated
configuration file. Default to stdout.
(update_grub_dir): Rename to ...
(grub_mkconfig_dir): ... this.
(grub_cfg): Default to an empty string.
* conf/common.rmk (update-grub): Rename to ...
(grub-mkconfig): ... this.
(update-grub_lib): Copy to ...
(grub-mkconfig_lib): ... this.
(update-grub_SCRIPTS): Copy to ...
(grub-mkconfig_SCRIPTS): ... this. Update all users.
(update-grub_DATA): Rename to ...
(grub-mkconfig_DATA): ... this.
* fs/iso9660.c (struct grub_iso9660_primary_voldesc): Rename `created'
to `modified'. Add the real `created' field.
(grub_iso9660_uuid): Use `modified' rather than `created' for
constructing the UUID.
* disk/ata.c (grub_apapi_open): Initialize devfnd, no need to set
scsi->name and scsi->luns, as they will be set in grub_scsi_open.
* disk/scsi.c (grub_scsi_open): Don't call p->close (scsi) here when
error occurs, as grub_disk_open will call grub_disk_close, which will
call p->close (scsi).
* loader/i386/pc/multiboot.c (grub_multiboot_load_elf32): Skip
segments when their filesz is zero (grub_file_read() interprets
zero-size as "read untill EOF", which results in memory corruption).
Use `lowest_segment' rather than 0 for calculating the current
segment load address.
* util/hostdisk.c (open_device): Replace a grub_util_info() call
with grub_dprintf("hostdisk", ...), as it was so verbose that it
clobbered useful information.
* loader/i386/pc/multiboot.c (mmap_addr, mmap_length): Remove
variables.
(grub_multiboot): Move `mbi' allocation upwards, so that mmap address
and length can be stored directly in the `mbi->mmap_addr' and
`mbi->mmap_length' struct fields.
* fs/fshelp.c (grub_fshelp_find_file): Handle case insensitive names.
* fs/ntfs.c (list_file): Ignore names in DOS namespace, set the case
insensitive bit for names in Win32 and Win32 & DOS namespace.
* include/grub/fshelp.h (GRUB_FSHELP_CASE_INSENSITIVE): New macro.
* include/grub/types.h (LONG_MAX): Likewise.
* util/getroot.c: Include <config.h>.
(grub_util_get_grub_dev): Rewrite to use asprintf for mdraid devices,
add support for /dev/md/N devices and handle LVM double dash escaping.
* commands/i386/pc/vbeinfo.c (grub_cmd_vbeinfo): Show VBE version and
total video memory in 'vbeinfo' output; show color format details for
each video mode.
* kern/powerpc/ieee1275/crt0.S: Include grub/symbol.h and
grub/cpu/kernel.h. Add start label for consistency with other
platforms. Add grub_prefix immediately after start. Add jump
to the code after grub_prefix.
* include/grub/powerpc/kernel.h: Provide valid values for
GRUB_KERNEL_CPU_PREFIX and GRUB_KERNEL_CPU_DATA_END.
* configure.ac: Change host_os to cygwin for mingw.
(asprintf): New check for function.
* include/grub/symbol.h: Replace #ifndef __CYGWIN__ with
#if ! defined (__CYGWIN__) && ! defined (__MINGW32__).
* include/grub/util/misc.h: #include <config.h> and <grub/types.h>,
declear asprintf if HAVE_ASPRINTF is not set, declear fseeko, ftello,
sync, sleep and grub_util_get_disk_size for mingw.
* util/biosdisk.c (grub_util_biosdisk_open): Use grub_util_get_disk_size
to get size in mingw.
(open_device): Use flag O_BINARY if it's defined.
(find_root_device): Add dummy code for mingw.
* util/grub-mkdevicemap.c (get_floppy_disk_name): Return 0 for mingw.
(get_ide_disk_name): Return //./PHYSICALDRIVE%d for mingw.
(get_scsi_disk_name): Return 0 for mingw.
* util/hostfs.c: #include <grub/util/misc.h>.
(grub_hostfs_open): Use "rb" flag to open file, use
grub_util_get_disk_size to get disk size for mingw.
* util/misc.c: #include <windows.h> and <winioctl.h> in mingw.
(asprintf): New function if HAVE_ASPRINTF is not set.
(sync): New function for mingw.
(sleep): Likewise.
(grub_util_get_disk_size): Likewise.
Change find_grub_drive() syntax so it doesn't prevent it from
detecting NULL names as errors.
* util/biosdisk.c (find_grub_drive): Move free slot search code
from here ...
(find_free_slot): ... to here.
(read_device_map): Use find_free_slot() to search for free slots.
* conf/common.rmk (grub_probe_SOURCES): Add disk/mdraid_linux.c.
(grub_fstest_SOURCES): Add disk/raid5_recover.c, disk/raid6_recover.c,
disk/mdraid_linux.c and disk/dmraid_nvidia.c and lib/crc.c.
(pkglib_MODULES): Add raid5rec.mod, raid6rec.mod, mdraid.mod and
dm_nv.mod.
(raid5rec_mod_SOURCES): New macro.
(raid5rec_mod_CFLAGS): Likewise.
(raid5rec_mod_LDFLAGS): Likewise.
(raid6rec_mod_SOURCES): Likewise.
(raid6rec_mod_CFLAGS): Likewise.
(raid6rec_mod_LDFLAGS): Likewise.
(mdraid_mod_SOURCES): Likewise.
(mdraid_mod_CFLAGS): Likewise.
(mdraid_mod_LDFLAGS): Likewise.
(dm_nv_mod_SOURCES): Likewise.
(dm_nv_mod_CFLAGS): Likewise.
(dm_nv_mod_LDFLAGS): Likewise.
* conf/i386-pc.rmk (grub_setup_SOURCES): Add disk/mdraid_linux.c.
(grub_emu_SOURCES): Add disk/raid5_recover.c, disk/raid6_recover.c,
disk/mdraid_linux.c and disk/dmraid_nvidia.c.
* conf/i386-coreboot.rmk (grub_emu_SOURCES): Add disk/raid5_recover.c,
disk/raid6_recover.c, disk/mdraid_linux.c and disk/dmraid_nvidia.c.
* conf/i386-efi.rmk (grub_emu_SOURCES): Likewise.
* conf/x86_64-efi.rmk (grub_emu_SOURCES): Likewise.
* conf/i386-ieee1275.rmk (grub_emu_SOURCES): Likewise.
* conf/powerpc-ieee1275.rmk (grub_emu_SOURCES): Likewise.
* disk/raid5_recover.c: New file.
* disk/raid6_recover.c: Likewise.
* disk/mdraid_linux.c: Likewise.
* disk/dmraid_nvidia.c: Likewise.
* disk/i386/pc/biosdisk.c: Set total_sectors of cdrom device to
ULONG_MAX.
* disk/raid.c (grub_raid_open): Use the size of the smallest disk to
calculate the size of raid device.
(grub_raid_read): Simplify raid0 code. Support raid4, raid6 and four
different layout of raid5.
(grub_raid_scan_device): Remove code specific to mdraid.
(grub_raid_list): New variable.
(free_array): New function.
(grub_raid_register): Likewise.
(grub_raid_unregister): Likewise.
(grub_raid_rescan): Likewise.
(GRUB_MOD_INIT): Don't iterate device here.
(GRUB_MOD_FINI): Use free_array to release resource.
* include/grub/raid.h: Remove macro and structure specific to mdraid.
(grub_raid5_recover_func_t): New function variable type.
(grub_raid6_recover_func_t): Likewise.
(grub_raid5_recover_func): New variable.
(grub_raid6_recover_func): Likewise.
(grub_raid_register): New function.
(grub_raid_unregister): Likewise.
(grub_raid_rescan): Likewise.
(grub_raid_block_xor): Likewise.
* util/grub-fstest.c: Add #include <grub/raid.h> and <grub/lib/crc.h>.
(CMD_CRC): New macro.
(part): Removed.
(read_file): Handle device as well as file.
(cmd_crc): New function.
(fstest): Handle multiple disks.
(options): Remove part, raw and long, add root and diskcount.
(usage): Add crc, remove -p, -r, -l, add -r and -c.
(main): Find the first non option entry and ignore subsequence options,
add handling for the new options, support multiple disks.
* util/grub-probe.c (probe): Add mdraid to abstraction_name.
* conf/i386-pc.rmk (kernel_img_SOURCES): Add `kern/i386/pc/mmap.c'.
* include/grub/i386/pc/init.h (GRUB_MACHINE_MEMORY_AVAILABLE)
(GRUB_MACHINE_MEMORY_RESERVED): New macros.
(grub_machine_mmap_iterate): New function declaration.
* include/grub/multiboot.h (struct grub_multiboot_mmap_entry): New
structure.
(GRUB_MMAP_MEMORY_AVAILABLE, GRUB_MMAP_MEMORY_RESERVED): New
macros.
* kern/i386/pc/init.c (grub_machine_init): Replace hardcoded region
type check value with `GRUB_MACHINE_MEMORY_AVAILABLE'.
Move e820 parsing from here ...
* kern/i386/pc/mmap.c: New file.
(grub_machine_mmap_iterate): ... to here.
* include/grub/i386/coreboot/memory.h: Remove `<grub/err.h>'.
(GRUB_LINUXBIOS_MEMORY_AVAILABLE): Rename (for consistency) to ...
(GRUB_MACHINE_MEMORY_AVAILABLE): ... this. Update all users.
(grub_available_iterate): Redeclare to return `void', and redeclare
its hook to use grub_uint64_t as addr and size parameters, and rename
to ...
(grub_machine_mmap_iterate): ... this. Update all users.
* kern/i386/coreboot/mmap.c (grub_mmap_iterate): Simplify parser loop
to make it more readable. Rename to ...
(grub_machine_mmap_iterate): ... this.
* loader/i386/pc/multiboot.c (mmap_addr, mmap_length): New variables.
(grub_get_multiboot_mmap_len, grub_fill_multiboot_mmap): New functions.
(grub_multiboot): Allocate an extra region after the payload, and fill
it with a Multiboot memory map. Adjust a.out loader to calculate size
with the extra space.
(grub_multiboot_load_elf32): Adjust elf32 loader to calculate size
with the extra space.
* 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.
* kern/i386/linuxbios/startup.S: Move from here ...
* kern/i386/coreboot/startup.S: ... to here.
* kern/i386/linuxbios/init.c: Move from here ...
* kern/i386/coreboot/init.c: ... to here.
* kern/i386/linuxbios/table.c: Move from here ...
* kern/i386/coreboot/mmap.c: ... to here.
* conf/i386-coreboot.rmk (kernel_elf_SOURCES): Update moved files.
* Makefile.in: Add `target_os' and `enable_grub_pe2elf'.
* conf/common.rmk: Install `grub-pe2elf' only if requested.
Install `grub.d/10_windows' only on Cygwin.
* configure.ac: Add subst of `target_os'.
Check `target_os' also before setting TARGET_OBJ2ELF.
Add `--enable-grub-pe2elf'.
* kern/disk.c: Replace `<grub/machine/time.h>' with `<grub/time.h>'.
(grub_last_time): Change type to grub_uint64_t.
(grub_disk_open): Migrate code from to using grub_get_time_ms().
(grub_disk_close): Likewise.
* normal/menu.c: Replace `<grub/machine/time.h>' with `<grub/time.h>'.
(run_menu): Migrate code from to using grub_get_time_ms().
* util/misc.c (grub_get_time_ms): New function.
* 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'.
* kern/i386/pit.c (TIMER2_SPEAKER): New define.
(TIMER2_GATE): Likewise.
(grub_pit_wait): Add enable/disable of the timer2 gate
bit of port 0x61. This fixes a possible infinite loop.
* fs/i386/pc/pxe.c (grub_pxe_data): New member block_size.
(grub_pxefs_fs_int): Remove dummy definition.
(grub_pxefs_open): Use data->block_size to store the current block
size setting.
(grub_pxefs_read): Use block size stored in data->block_size. As the
value of grub_pxe_blksize can be changed after the file is opened.
* fs/i386/pc/pxe.c (curr_file): new variable.
(grub_pxefs_open): Simply the handling of pxe file system. Don't
require the dummy internal file system anymore.
(grub_pxefs_read): Removed.
(grub_pxefs_close): Likewise.
(grub_pxefs_fs_int): Likewise.
(grub_pxefs_read_int): Renamed to grub_pxefs_read. Reinitialize tftp
connection when we switch file.
(grub_pxefs_close_int): Renamed to grub_pxefs_close.
* util/console.c (grub_console_cur_color): New variable.
(grub_console_standard_color): Likewise.
(grub_console_normal_color): Likewise.
(grub_console_highlight_color): Likewise.
(color_map): Likewise.
(use_color): Likewise.
(NUM_COLORS): New macro.
(grub_ncurses_setcolorstate): Handle color properly.
(grub_ncurses_setcolor): Don't change color here, just remember the
settings, color will be set in grub_ncurses_setcolorstate.
(grub_ncurses_getcolor): New function.
(grub_ncurses_init): Initialize color pairs.
(grub_ncurses_term): New member grub_ncurses_getcolor.
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.
* util/grub.d/00_header.in: Be platform-agnostic. Probe for existence
of modules instead of assuming which platform provides what.
* util/update-grub.in: Likewise.
* kern/i386/pc/init.c (make_install_device): Check for `grub_prefix'
instead of `grub_install_dos_part' to determine whether a drive needs
to be prepended to prefix (`grub_install_dos_part' is not reliable,
because it can be overriden when loading GRUB via Multiboot).
* 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.
* loader/i386/pc/multiboot.c (grub_multiboot_load_elf32): When loading
ELF segments, use a macro for arbitrarily accessing any of them instead
of preparing a pointer that allows access to one at a time.
(grub_multiboot_load_elf64): Likewise.
* 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.
* term/i386/pc/vga_text.c (grub_console_cls): Use
grub_console_gotoxy() to go back to beginning of the screen.
Found by Patrick Georgi <patrick.georgi@coresystems.de>
* util/update-grub.in: Add a check for admin
group on Cygwin.
Remove old `grub.cfg.new' before creation.
Add `-f' to `mv' to handle the different filesystem
semantics of Windows.
* partmap/apple.c (GRUB_APPLE_HEADER_MAGIC): New macro.
(struct grub_apple_header): New struct. Describes the layout of
the partmap header.
(apple_partition_map_iterate): Check the header magic as well as the
partition magic (which was already being checked).
* disk/raid.c (grub_raid_scan_device): Do not abort when two disks
with the same number are found, just use issue a warning with
grub_dprintf(), as this error has been reported to be non-fatal.
* fs/xfs.c (grub_xfs_dir_header): Change field i8count back to
smallino, as it's more descriptive, and i8count can be confused with
the other field count.
(grub_xfs_iterate_dir): Adjust grub_xfs_dir_entry pointer for small
inode type.
* util/getroot.c (find_root_device): Skip devices that match
/dev/dm-[0-9]. This lets the real device be found for any type of
abstraction (LVM, EVMS, RAID..).
(grub_guess_root_device): Do not traverse /dev/mapper (for LVM)
and /dev/evms (for EVMS) before traversing /dev. If a /dev/dm-[0-9]
device is found first, find_root_device() will now skip it.
* util/i386/pc/grub-install.in: If `--debug' is specified,
pass `--verbose' to grub-setup.
Abort script if make_system_path_relative_to_its_root() fails.
* 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.
* Makefile.in (UNICODE_ARROWS, UNICODE_LINES): New variables (they
define the codes for arrows and lines used for the menu).
(ascii.pff): Generate fonts for $(UNICODE_ARROWS) and $(UNICODE_LINES)
as well.
* util/update-grub_lib.in (font_path): Prefer ascii.pff over complete
fonts, because the latter are too slow.
* kern/dl.c: Go back to using GRUB_CPU_SIZEOF_VOID_P. We cannot
load foreign architecture modules correctly anyway. Keep
support for loading host architecture modules, whether we
compile them or not.
* aclocal.m4 (grub_PROG_TARGET_CC): New macro. Check if the
target compiler is functional.
* configure.ac: Call grub_PROG_TARGET_CC once all target flags
are set up.
* configure.ac: Default to efi platform for x86_64-apple. Allow
powerpc64 CPU, default to ieee1275 platform for it. Split CPU
adjustments from the rest, only do them if target is not
explicitly given. Merge other adjustments with the final sanity
check. Remove an extraneous check for supported CPU. Be
specific which CPU and which platform is not supported.
* util/i386/efi/grub-mkimage.c (get_target_address): Return a
pointer, not an integer. This fixes a warning and prevents
precision loss on 64-bit systems.
(relocate_addresses): Remove unneeded cast.
* util/grub.d/40_custom.in: New file. Example on how to add custom
entries to /etc/grub.d.
* conf/common.rmk (%, update-grub_SCRIPTS, CLEANFILES): Install
40_custom (implicitly, by merging all the grub.d rules).
* term/i386/pc/serial.c (GRUB_SERIAL_PORT_NUM): New constant.
[!GRUB_MACHINE_PCBIOS] (serial_hw_io_addr): Add COM2 and COM3.
(serial_hw_get_port): Check validity of the port number.
(grub_cmd_serial): Check return value of serial_hw_get_port().
* boot/i386/pc/diskboot.S (notification_string): Replace
"Loading kernel" with just "loading". This is shorter, less
confusing and saves a few bytes for possible future changes.
* 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().
This fixes a performance issue when pc & gpt partmap iterators
didn't abort iteration even after our hook found what it was
looking for (often causing expensive probes of non-existant drives).
Some callers relied on previous buggy behaviour, since they would
rise an error when their own hooks caused early abortion of its
iteration.
* kern/device.c (grub_device_open): Improve error message.
* disk/lvm.c (grub_lvm_open): Likewise.
* disk/raid.c (grub_raid_open): Likewise.
* partmap/pc.c (pc_partition_map_iterate): Abort parent iteration
when hook requests it, independently of grub_errno.
(pc_partition_map_probe): Do not fail when find_func() caused
early abortion of pc_partition_map_iterate().
* partmap/gpt.c (gpt_partition_map_iterate): Abort parent iteration
when hook requests it, independently of grub_errno.
(gpt_partition_map_probe): Do not fail when find_func() caused
early abortion of gpt_partition_map_iterate().
* kern/partition.c (grub_partition_iterate): Abort parent iteration
when hook requests it, independently of grub_errno. Do not fail when
part_map_iterate_hook() caused early abortion of p->iterate().
* util/biosdisk.c (grub_util_biosdisk_get_grub_dev): Do not fail
when grub_partition_iterate() returned with non-zero.
* disk/ata.c (grub_ata_pio_write): Check status before writing,
like we do in grub_ata_pio_read().
(grub_ata_readwrite): Always write individual sectors. Fix the
sector count for the remainder.
(grub_ata_write): Enable writing to ATA devices. Correctly
report error for ATAPI devices.
* disk/ata.c (grub_ata_readwrite): Don't increment sector number
for every read sector, we already increment it for the whole
batch. This fixes reading more than 256 sectors at once.
* Makefile.in (MODULE_LDFLAGS): New variable.
* aclocal.m4 (grub_PROG_LD_BUILD_ID_NONE): New macro. Check if
the linker accepts --build-id=none.
* configure.ac: Call grub_PROG_LD_BUILD_ID_NONE. Substitute
MODULE_LDFLAGS.
* genmk.rb: Use MODULE_LDFLAGS when linking modules.
* fs/xfs.c (struct grub_xfs_dir_header): Use names similar to
those in Linux XFS code. Provide a way to access 64-bit parent
inode.
(grub_xfs_iterate_dir): Use the new names. Avoid reading past
the end of struct grub_xfs_dir_header.
* 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.
