merge with mainline

.bzrignore

@@ -3,6 +3,8 @@
 30_os-prober
 40_custom
 aclocal.m4
+ascii.bitmaps
+ascii.h
 autom4te.cache
 build_env.mk
 .bzrignore
@@ -48,6 +50,8 @@ grub_script_check_init.c
 grub_script_check_init.h
 grub_script.tab.c
 grub_script.tab.h
+grub_script.yy.c
+grub_script.yy.h
 grub-set-default
 grub-setup
 grub_setup_init.c

ChangeLog

@@ -1,3 +1,498 @@
+2010-06-08  Grégoire Sutre  <gregoire.sutre@gmail.com>
+
+	Make --version uniform and avoid hard-coded program name.
+
+	* util/grub-mkimage.c (main): Use `program_name' instead of
+	hard-coded string.
+	* util/i386/pc/grub-setup.c (main): Likewise.
+	* util/sparc64/ieee1275/grub-setup.c (parse_options): Likewise.
+	* util/grub-install.in: Save the basename of $0 in $self, and use the
+	latter in informational messages.  Use the same format for --version
+	as the binary programs.
+	* util/grub-mkconfig.in: Likewise.
+	* util/grub-mkrescue.in: Likewise.
+	* util/grub-reboot.in: Likewise.
+	* util/grub-set-default.in: Likewise.
+	* util/i386/efi/grub-install.in: Likewise.
+	* util/ieee1275/grub-install.in: Likewise.
+	* util/powerpc/ieee1275/grub-mkrescue.in: Likewise.
+
+2010-06-08  Grégoire Sutre  <gregoire.sutre@gmail.com>
+
+	* util/i386/pc/grub-setup.c (setup): Use absolute offsets for start of
+	embedding area.  Use <= instead of == when checking for non-emptiness.
+
+2010-06-08  Grégoire Sutre  <gregoire.sutre@gmail.com>
+
+	* configure.ac: Add `.' to the directories searched for unifont.
+
+2010-06-08  Colin Watson  <cjwatson@ubuntu.com>
+
+	* .bzrignore: Add ascii.bitmaps, ascii.h, grub_script.yy.c, and
+	grub_script.yy.h.
+
+2010-06-08  Colin Watson  <cjwatson@ubuntu.com>
+
+	* docs/grub.texi (History): Expand to cover GRUB 2.
+	(Serial terminal): Refer to `terminal_input' and `terminal_output'
+	commands, not `terminal'.
+	(serial): Likewise.
+	(terminal_input): New section.
+	(terminal_output): New section.
+	(uppermem): New section (stub).
+	(Obtaining and Building GRUB): Refer to Bazaar, not Subversion.
+
+2010-06-08  Colin Watson  <cjwatson@ubuntu.com>
+
+	* docs/grub.texi (Security): Menu entries are unrestricted by
+	default, not restricted to superusers as I had previously thought.
+	Reword to account for this.
+
+2010-06-07  Colin Watson  <cjwatson@ubuntu.com>
+
+	* kern/emu/misc.c (device_mapper_null_log): New function.
+	(grub_device_mapper_supported): New function.
+	* include/grub/emu/misc.h (grub_device_mapper_supported): Add
+	prototype.
+	* kern/emu/hostdisk.c (find_partition_start): Check whether
+	device-mapper is supported before trying to use it.
+	* util/deviceiter.c (grub_util_iterate_devices): Likewise.
+
+2010-06-07  Colin Watson  <cjwatson@ubuntu.com>
+
+	* docs/grub.texi (Naming convention): Use GRUB 2 syntax.
+	(File name syntax): Likewise.
+	(help): --all is no longer supported in GRUB 2.  Be more precise
+	about pattern matching.
+
+2010-06-07  Colin Watson  <cjwatson@ubuntu.com>
+
+	* normal/completion.c (grub_normal_do_completion): When completing
+	arguments to "set" and the current word contains an equals sign,
+	skip to after the equals sign before starting completion.
+
+2010-06-07  Colin Watson  <cjwatson@ubuntu.com>
+
+	* fs/i386/pc/pxe.c (grub_pxe_open): Fix parsing of gateway_ip.
+
+2010-06-07  Colin Watson  <cjwatson@ubuntu.com>
+
+	* docs/grub.texi (Network): New section.
+	(Device syntax): The network device is called `(pxe)' in GRUB 2, not
+	`(nd)' as in GRUB Legacy.
+	(pxe_unload): New section.
+
+2010-06-07  Colin Watson  <cjwatson@ubuntu.com>
+
+	* docs/grub.texi (Troubleshooting): `echo' is not usually available
+	in the rescue shell, so recommend using `set' instead.  Thanks,
+	Jordan Uggla.
+
+2010-06-07  Colin Watson  <cjwatson@ubuntu.com>
+
+	* docs/grub.texi (Filesystem): Refer to `search' instead of `find'.
+	(password): New section.
+	(password_pbkdf2): New section.
+	(search): New section.
+	(Security): New section.
+	(Troubleshooting): New section, currently very incomplete.
+	(Invoking grub-mkpasswd-pbkdf2): New section.
+	(Internals): New section, currently very incomplete.
+
+2010-06-07  Colin Watson  <cjwatson@ubuntu.com>
+
+	* util/grub.d/00_header.in: Add some more quoting (of
+	"${prev_saved_entry}" and "${boot_once}") needed to make savedefault
+	work again.
+	Reported by: Mario 'BitKoenig' Holbe (Debian bug #584812).
+
+2010-06-07  Colin Watson  <cjwatson@ubuntu.com>
+
+	* util/grub-mkpasswd-pbkdf2.c (main): Rename top-level `c' variable
+	to `count', fixing variable shadowing that broke the -c option.
+
+2010-06-05  Colin Watson  <cjwatson@ubuntu.com>
+
+	* util/grub.d/00_header.in: Quote values assigned to `saved_entry',
+	in case they contain spaces.
+
+2010-06-04  Colin Watson  <cjwatson@ubuntu.com>
+
+	* util/grub-mkconfig_lib.in (prepare_grub_to_access_device): Prepend
+	"part_" to partmap module names, in line with grub-install.
+	Reported by: Jindřich Makovička (Debian bug #584426).
+
+2010-06-04  Colin Watson  <cjwatson@ubuntu.com>
+
+	* util/grub-mkimage.c: Make target-related error messages slightly
+	more helpful; -O talks about "format".  Explicitly point to the use
+	of -O if no target is specified.
+	Reported by: Didier Raboud (Debian bug #584415).
+
+2010-06-03  Colin Watson  <cjwatson@ubuntu.com>
+
+	* INSTALL: Document several build requirements for optional features
+	(libdevmapper, ncurses, libusb, SDL, FreeType, GNU Unifont).
+
+2010-06-02  Grégoire Sutre  <gregoire.sutre@gmail.com>
+
+	* kern/emu/hostdisk.c (convert_system_partition_to_system_disk)
+	[__NetBSD__]: Handle all device names matching /dev/r[a-z]+[0-9][a-z].
+	(find_partition_start) [__NetBSD__]: Correct error messages for NetBSD.
+
+2010-06-02  Colin Watson  <cjwatson@ubuntu.com>
+
+	* docs/grub.texi (Simple configuration): Fix copy-and-paste typo.
+	Thanks to Jordan Uggla for spotting this.
+
+2010-06-02  Aleš Nesrsta <starous@volny.cz>
+
+	Finally make USB usable.
+
+	* bus/usb/ohci.c (grub_ohci_reg_t): Add missing values.
+	(GRUB_OHCI_RHUB_PORT_POWER_MASK): New macro.
+	(GRUB_OHCI_RHUB_PORT_ALL_POWERED): Likewise.
+	(GRUB_OHCI_REG_FRAME_INTERVAL_FSMPS_MASK): Likewise.
+	(GRUB_OHCI_REG_FRAME_INTERVAL_FSMPS_SHIFT): Likewise.
+	(GRUB_OHCI_REG_FRAME_INTERVAL_FI_SHIFT): Likewise.
+	(GRUB_OHCI_FSMPS): Likewise.
+	(GRUB_OHCI_PERIODIC_START): Likewise.
+	(GRUB_OHCI_FRAME_INTERVAL): Likewise.
+	(GRUB_OHCI_SET_PORT_ENABLE): Likewise.
+	(GRUB_OHCI_CLEAR_PORT_ENABLE): Likewise.
+	(GRUB_OHCI_SET_PORT_RESET): Likewise.
+	(GRUB_OHCI_SET_PORT_RESET_STATUS_CHANGE): Likewise.
+	* bus/usb/ohci.c (grub_ohci_pci_iter): Various important fixups.
+	(grub_ohci_transaction): Likewise.
+	(grub_ohci_transfer): Improve condition detection algorithms.
+	Handle toggle property. Program the transactions correctly.
+	Improve error handling. Various important fixups.
+	(grub_ohci_portstatus): Put register writes in right order.
+	* bus/usb/uhci.c (grub_free_queue): Compute last_trans.
+	(grub_uhci_transfer): Don't show "failed" message on success.
+	* bus/usb/usb.c (grub_usb_set_configuration): Zero-fill whole "toggle"
+	array.
+	(grub_usb_device_initialize): Read first 8 bytes of descriptor to
+	determine its size.
+	* bus/usb/usbtrans.c (grub_usb_control_msg): Use descdev.maxsize0 even
+	before initialization is completed. Use IN direction for empty
+	transfers. Use last_trans and compute toggle.
+	* include/grub/usbtrans.h (grub_usb_transfer): New field last_trans.
+	(GRUB_USB_FEATURE_ENDP_HALT): Correct the value.
+	(GRUB_USB_FEATURE_DEV_REMOTE_WU): Likewise.
+	(GRUB_USB_FEATURE_TEST_MODE): Likewise.
+	* include/grub/usb.h (grub_usb_err_t): New value GRUB_USB_ERR_UNRECOVERABLE.
+	(grub_usb_device): Increase toggle to 256.
+	(grub_usbms_subclass_t): New values GRUB_USBMS_SUBCLASS_RBC,
+	GRUB_USBMS_SUBCLASS_MMC2, GRUB_USBMS_SUBCLASS_UFI and
+	GRUB_USBMS_SUBCLASS_SFF8070.
+	* include/grub/scsicmd.h (grub_scsi_test_unit_ready): New structure.
+	(grub_scsi_inquiry): New member page and alloc_length.
+	(grub_scsi_request_sense): New structure.
+	(grub_scsi_request_sense_data): Likewise.
+	(grub_scsi_read_capacity): New fields logical_block_addr, PMI and
+	control.
+	* disk/scsi.c (grub_scsi_request_sense): New function.
+	(grub_scsi_test_unit_ready): Likewise.
+	(grub_scsi_inquiry): Fill new fields.
+	(grub_scsi_read_capacity): Likewise.
+	(grub_scsi_read10): Add request sense at the end.
+	(grub_scsi_read12): Likewise.
+	(grub_scsi_write10): Likewise.
+	(grub_scsi_write12): Likewise.
+	(grub_scsi_open): Add Test Unit Ready.
+	* disk/usbms.c (grub_usbms_finddevs): Check configcnt.
+	Support additional subclasses. Con't clear halt yet. Activate the
+	proper config. Calculate LUNs correctly.
+	(grub_usbms_transfer): Various important fixups.
+
+2010-06-02  Vladimir Serbinenko  <phcoder@gmail.com>
+
+	* bus/pci.c (grub_pci_iterate) [GRUB_MACHINE_MIPS_YEELOONG]: Skip ghosts.
+	* bus/usb/ohci.c (grub_ohci_portstatus): Handle R/WC correctly.
+	(grub_ohci_fini_hw): New function.
+	(grub_ohci_restore_hw): Likewise.
+	(GRUB_MOD_INIT(ohci)): Register preboot hook.
+	(GRUB_MOD_FINI(ohci)): Shutdown OHCI.
+	* term/usb_keyboard.c: Remove include of grub/machine/console.h.
+
+2010-06-02  Vladimir Serbinenko  <phcoder@gmail.com>
+
+	Dedicated DMA allocations.
+
+	* bus/pci.c (grub_memalign_dma32): New function
+	(grub_dma_free): Likewise.
+	(grub_dma_get_virt): Likewise.
+	(grub_dma_get_phys): Likewise.
+	* bus/usb/ohci.c (grub_ohci): New members hcca_addr and hcca_chunk.
+	(grub_ohci_pci_iter): Use dma32_alloc.
+	(grub_ohci_transfer): Likewise.
+	* bus/usb/usbtrans.c (grub_usb_control_msg): Likewise.
+	(grub_usb_bulk_readwrite): Likewise.
+	* include/grub/pci.h: Add declarations.
+
+2010-06-02  Vladimir Serbinenko  <phcoder@gmail.com>
+
+	CS5536 support.
+
+	* bus/cs5536.c: New file.
+	* bus/usb/ohci.c (grub_ohci_pci_iter): Check for CS5536.
+	* conf/i386.rmk (pkglib_MODULES): Add cs5536.mod.
+	(cs5536_mod_SOURCES): New variable.
+	(cs5536_mod_CFLAGS): Likewise.
+	(cs5536_mod_LDFLAGS): Likewise.
+	* conf/mips-yeeloong.rmk (kernel_img_HEADERS): Add cs5536.h and
+	machine/pci.h.
+	(kernel_img_SOURCES): Add bus/cs5536.c.
+	(pkglib_MODULES): Add usb.mod, usbtest.mod, ohci.mod, usbms.mod and
+	usb_keyboard.mod.
+	(usb_mod_SOURCES): New variable.
+	(usb_mod_CFLAGS): New variable.
+	(usb_mod_LDFLAGS): New variable.
+	(usbtest_mod_SOURCES): New variable.
+	(usbtest_mod_CFLAGS): New variable.
+	(usbtest_mod_LDFLAGS): New variable.
+	(ohci_mod_SOURCES): New variable.
+	(ohci_mod_CFLAGS): New variable.
+	(ohci_mod_LDFLAGS): New variable.
+	(usbms_mod_SOURCES): New variable.
+	(usbms_mod_CFLAGS): New variable.
+	(usbms_mod_LDFLAGS): New variable.
+	(usb_keyboard_mod_SOURCES): New variable.
+	(usb_keyboard_mod_CFLAGS): New variable.
+	(usb_keyboard_mod_LDFLAGS): New variable.
+	* include/grub/smbus.h: New file.
+	* include/grub/cs5536.h: New file.
+
+2010-06-02  Colin Watson  <cjwatson@ubuntu.com>
+
+	* util/grub.d/00_header.in: Add safety check to make sure that
+	${locale_dir} exists before trying to probe it.
+
+2010-06-02  Colin Watson  <cjwatson@ubuntu.com>
+
+	* docs/grub.texi (SCO UnixWare): Remove, at Vladimir's request and
+	per the GNU Coding Standards; this is now too obscure to be worth
+	documenting.
+	(QNX): Likewise.
+	(chainloader): Remove cross-reference to `SCO UnixWare'.
+
+2010-06-02  Colin Watson  <cjwatson@ubuntu.com>
+
+	* docs/grub.texi (Chain-loading): New section.
+	(DOS/Windows): New section, borrowed from GRUB Legacy with details
+	adjusted for GRUB 2.
+	(SCO UnixWare): Likewise.
+	(QNX): Likewise.
+	(chainloader): Add reference to `Block list syntax'.
+	(drivemap): New section.
+	(parttool): New section.
+
+2010-06-02  Colin Watson  <cjwatson@ubuntu.com>
+
+	* docs/grub.texi (GNU GRUB manual): Remove reference to `Invoking
+	the grub shell'.
+	(Installation): Add reference to `Making a GRUB bootable CD-ROM'.
+	(Installing GRUB using grub-install): Remove reference to the grub
+	shell; mention `grub-mkimage' and `grub-setup' instead.
+	(Invoking grub-install): Likewise.
+	(Interface): Add reference to `Menu entry editor'.
+	(serial): Remove `--device' option.
+
+2010-06-02  Colin Watson  <cjwatson@ubuntu.com>
+
+	* docs/grub.texi (Configuration): New section, documenting
+	configuration file generation using grub-mkconfig.  I've left a slot
+	for documenting the full shell scripting format but have not yet
+	started on writing that up.
+	(Invoking grub-mkconfig): New section.
+
+2010-06-02  Colin Watson  <cjwatson@ubuntu.com>
+
+	* docs/grub.texi (direntry): Remove grub-terminfo reference.
+	(GNU GRUB manual): Likewise.
+	(General commands): Update description of `terminfo' for GRUB 2.
+
+2010-06-02  Colin Watson  <cjwatson@ubuntu.com>
+
+	* commands/gptsync.c (grub_cmd_gptsync): Fix typos.
+	(GRUB_MOD_INIT): Fix capitalisation.
+	* docs/grub.texi (Command-line and menu entry commands): Document
+	gettext and gptsync commands.
+
+2010-06-02  Colin Watson  <cjwatson@ubuntu.com>
+
+	* conf/any-emu.rmk (kernel_img_SOURCES) [!x86]: Include
+	kern/$(target_cpu)/cache.S even if TARGET_NO_MODULES = yes.
+
+2010-06-01  Colin Watson  <cjwatson@ubuntu.com>
+
+	Add btrfs probing support, currently only in the single-device case.
+
+	* kern/emu/getroot.c (find_root_device_from_mountinfo): New
+	function.
+	(grub_guess_root_device): Call find_root_device_from_mountinfo
+	before looking in /dev.
+
+2010-05-31  Vladimir Serbinenko  <phcoder@gmail.com>
+
+	* disk/i386/pc/biosdisk.c (grub_biosdisk_open): Use
+	GRUB_DISK_SIZE_UNKNOWN.
+	* disk/ieee1275/ofdisk.c (grub_ofdisk_open): Likewise.
+
+2010-05-31  Jiro SEKIBA <jir@unicus.jp>
+
+	* include/grub/disk.h (GRUB_DISK_SIZE_UNKNOWN): New macro.
+	* fs/nilfs.c: Support 2nd super block in case 1st one is accidently
+	corrupted or not synced properly.
+
+2010-05-31  Vladimir Serbinenko  <phcoder@gmail.com>
+
+	* normal/main.c (grub_normal_add_menu_entry): Avoid going out of args.
+	Reported by: Seth Goldberg.
+
+2010-05-31  Vladimir Serbinenko  <phcoder@gmail.com>
+
+	* loader/multiboot_mbi2.c (grub_multiboot_make_mbi): Fix incorrect
+	addition of dest.
+	Reported by: Seth Goldberg.
+
+2010-05-31  Vladimir Serbinenko  <phcoder@gmail.com>
+
+	* commands/setpci.c (grub_setpci_iter): Fix an incorrect function check.
+	Reported by: Seth Goldberg.
+
+2010-05-31  Vladimir Serbinenko  <phcoder@gmail.com>
+
+	* loader/multiboot_elfxx.c (grub_multiboot_load_elfXX) [__mips]: Check
+	64-bit address as signed on MIPS.
+
+2010-05-28  Colin Watson  <cjwatson@ubuntu.com>
+
+	* configure.ac: AC_PROG_LEX sets LEX to ":" if lex is missing, not
+	to the empty string.
+
+2010-05-28  BVK Chaitanya  <bvk.groups@gmail.com>
+
+	Fix grub-emu issues on NetBSD, with gcc 4.1.3.
+
+	* conf/any-emu.rmk: Remove unnecessary COMMON_CFLAGS.
+	* include/grub/emu/misc.h (canonicalize_file_name): New Prototype.
+	* kern/misc.c (__enable_execute_stack): Disable on
+	GRUB_MACHINE_EMU.
+
+2010-05-28  Colin Watson  <cjwatson@ubuntu.com>
+
+	Make grub-probe work with symbolic links under /dev/mapper as well
+	as with real block devices.  The Linux world seems to be (at best)
+	in transition here, and GRUB shouldn't get caught in the middle.
+
+	* kern/emu/getroot.c (find_root_device): Follow symbolic links under
+	/dev/mapper.
+
+2010-05-27  Colin Watson  <cjwatson@ubuntu.com>
+
+	* util/grub-script-check.c (main): Ensure defined behaviour on empty
+	input files (in which case exit zero).
+
+2010-05-27  Colin Watson  <cjwatson@ubuntu.com>
+
+	* kern/emu/misc.c (canonicalize_file_name): realpath can still
+	return NULL for various reasons even if it has a maximum-length
+	buffer: for example, there might be a symlink loop, or the path
+	might exceed PATH_MAX.  If this happens, return NULL.
+
+2010-05-27  Robert Millan  <rmh@gnu.org>
+
+	* util/grub-mkconfig_lib.in (prepare_grub_to_access_device): Insert
+	partmap module to handle cross-partmap setups.
+	Reported by Orestes Mas.  Gràcies!
+
+2010-05-27  Colin Watson  <cjwatson@ubuntu.com>
+
+	* util/grub-mkrescue.in: Initialise override_dir rather than
+	assuming that it's unset or empty in the environment.
+
+2010-05-26  Grégoire Sutre  <gregoire.sutre@gmail.com>
+
+	* kern/emu/hostdisk.c (find_partition_start) [__NetBSD__]: Renamed
+	variable index into p_index to suppress a warning with -Wshadow.
+
+2010-05-25  BVK Chaitanya  <bvk.groups@gmail.com>
+
+	* INSTALL: Added flex >= 2.5.35 requirement.
+
+2010-05-23  Vladimir Serbinenko  <phcoder@gmail.com>
+
+	* commands/usbtest.c (grub_usb_get_string): Properly support UTF-16.
+
+2010-05-23  Vladimir Serbinenko  <phcoder@gmail.com>
+
+	cmostest support.
+
+	* commands/i386/cmostest.c: New file.
+	* conf/i386-coreboot.rmk (pkglib_MODULES): Add cmostest.mod.
+	(cmostest_mod_SOURCES): New variable.
+	(cmostest_mod_CFLAGS): Likewise.
+	(cmostest_mod_LDFLAGS): Likewise.
+	* conf/i386-pc.rmk: Likewise.
+	* docs/grub.texi (Vendor power-on keys): New section.
+	* util/grub-mkconfig.in: export GRUB_DEFAULT_BUTTON,
+	GRUB_HIDDEN_TIMEOUT_BUTTON, GRUB_TIMEOUT_BUTTON
+	and GRUB_BUTTON_CMOS_ADDRESS.
+	* util/grub.d/00_header.in: Handle powering-on by separate button.
+
+2010-05-23  Vladimir Serbinenko  <phcoder@gmail.com>
+
+	* gfxmenu/gui_list.c (draw_menu): Don't add scrollbar width to padding.
+	Removed drawing_scrollbar argument. All users updated
+	Fixes #29792.
+	Reported by Jo Shields
+
+2010-05-23  Vladimir Serbinenko  <phcoder@gmail.com>
+
+	* gfxmenu/view.c (grub_gfxmenu_draw_terminal_box): Apply only to current
+	buffer since gfxterm handles double repaint.
+
+2010-05-23  Vladimir Serbinenko  <phcoder@gmail.com>
+
+	* gfxmenu/gfxmenu.c (grub_gfxmenu_try): Change viewport on both buffers.
+	* term/gfxterm.c (real_scroll): Likewise.
+
+2010-05-21  Vladimir Serbinenko  <phcoder@gmail.com>
+
+	* kern/i386/pc/mmap.c (grub_machine_mmap_iterate): Zero-fill entry
+	before calling BIOS.
+
+2010-05-21  Vladimir Serbinenko  <phcoder@gmail.com>
+
+	* include/grub/i18n.h: Always enable grub_gettext.
+
+2010-05-21  Vladimir Serbinenko  <phcoder@gmail.com>
+
+	* kern/i386/pc/init.c (make_install_device): Fix a leftover usage of old
+	partition naming style.
+
+2010-05-21  Colin Watson  <cjwatson@ubuntu.com>
+
+	* util/grub-mkconfig.in: Fix handling of -o so that it works when
+	not the first option.
+
+2010-05-20  Colin Watson  <cjwatson@ubuntu.com>
+
+	* util/grub-mkrelpath.c (usage): Remove excess apostrophe.
+
+2010-05-20  Colin Watson  <cjwatson@ubuntu.com>
+
+	* util/misc.c: Move inclusion of <limits.h> to ...
+	* kern/emu/misc.c: ... here.  Needed for canonicalize_file_name.
+
+2010-05-20  Grégoire Sutre  <gregoire.sutre@gmail.com>
+
+	* kern/emu/hostdisk.c (grub_util_biosdisk_get_grub_dev) [__NetBSD__]:
+	Fix merge error in NetBSD code.
+	(find_partition_start) [__NetBSD__]: Likewise.
+
 2010-05-19  BVK Chaitanya  <bvk.groups@gmail.com>
 
 	Fix grub-mkrescue usage unit testing.

INSTALL

@@ -16,8 +16,24 @@ configuring the GRUB.
 * GNU Bison 2.3 or later
 * GNU gettext 0.17 or later
 * GNU binutils 2.9.1.0.23 or later
+* Flex 2.5.35 or later
 * Other standard GNU/Unix tools
 
+On GNU/Linux, you also need:
+
+* libdevmapper (recommended)
+
+To build grub-emu, you need:
+
+* ncurses
+* libusb (recommended)
+* SDL (recommended)
+
+To build GRUB's graphical terminal (gfxterm), you need:
+
+* FreeType 2 or later
+* GNU Unifont
+
 If you use a development snapshot or want to hack on GRUB you may
 need the following.
 

bus/cs5536.c

@@ -0,0 +1,215 @@
+/*
+ *  GRUB  --  GRand Unified Bootloader
+ *  Copyright (C) 2010  Free Software Foundation, Inc.
+ *
+ *  GRUB is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation, either version 3 of the License, or
+ *  (at your option) any later version.
+ *
+ *  GRUB is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with GRUB.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <grub/types.h>
+#include <grub/cs5536.h>
+#include <grub/pci.h>
+#include <grub/time.h>
+#include <grub/ata.h>
+
+int
+grub_cs5536_find (grub_pci_device_t *devp)
+{
+  int found = 0;
+  auto int NESTED_FUNC_ATTR hook (grub_pci_device_t dev,
+				  grub_pci_id_t pciid);
+
+  int NESTED_FUNC_ATTR hook (grub_pci_device_t dev,
+			     grub_pci_id_t pciid)
+  {
+    if (pciid == GRUB_CS5536_PCIID)
+      {
+	*devp = dev;
+	found = 1;
+	return 1;
+      }
+    return 0;
+  }
+
+  grub_pci_iterate (hook);
+
+  return found;
+}
+
+grub_uint64_t
+grub_cs5536_read_msr (grub_pci_device_t dev, grub_uint32_t addr)
+{
+  grub_uint64_t ret = 0;
+  grub_pci_write (grub_pci_make_address (dev, GRUB_CS5536_MSR_MAILBOX_ADDR),
+		  addr);
+  ret = (grub_uint64_t)
+    grub_pci_read (grub_pci_make_address (dev, GRUB_CS5536_MSR_MAILBOX_DATA0));
+  ret |= (((grub_uint64_t) 
+	  grub_pci_read (grub_pci_make_address (dev,
+						GRUB_CS5536_MSR_MAILBOX_DATA1)))
+	  << 32);
+  return ret;
+}
+
+void
+grub_cs5536_write_msr (grub_pci_device_t dev, grub_uint32_t addr,
+		       grub_uint64_t val)
+{
+  grub_pci_write (grub_pci_make_address (dev, GRUB_CS5536_MSR_MAILBOX_ADDR),
+		  addr);
+  grub_pci_write (grub_pci_make_address (dev, GRUB_CS5536_MSR_MAILBOX_DATA0),
+		  val & 0xffffffff);
+  grub_pci_write (grub_pci_make_address (dev, GRUB_CS5536_MSR_MAILBOX_DATA1),
+		  val >> 32);
+}
+
+grub_err_t
+grub_cs5536_smbus_wait (grub_port_t smbbase)
+{
+  grub_uint64_t start = grub_get_time_ms ();
+  while (1)
+    {
+      grub_uint8_t status;
+      status = grub_inb (smbbase + GRUB_CS5536_SMB_REG_STATUS);
+      if (status & GRUB_CS5536_SMB_REG_STATUS_SDAST)
+	return GRUB_ERR_NONE;	
+      if (status & GRUB_CS5536_SMB_REG_STATUS_BER)
+	return grub_error (GRUB_ERR_IO, "SM bus error");
+      if (status & GRUB_CS5536_SMB_REG_STATUS_NACK)
+	return grub_error (GRUB_ERR_IO, "NACK received");
+      if (grub_get_time_ms () > start + 40)
+	return grub_error (GRUB_ERR_IO, "SM stalled");
+    }
+
+  return GRUB_ERR_NONE;
+}
+
+grub_err_t
+grub_cs5536_read_spd_byte (grub_port_t smbbase, grub_uint8_t dev,
+			   grub_uint8_t addr, grub_uint8_t *res)
+{
+  grub_err_t err;
+
+  /* Send START.  */
+  grub_outb (grub_inb (smbbase + GRUB_CS5536_SMB_REG_CTRL1)
+	     | GRUB_CS5536_SMB_REG_CTRL1_START,
+	     smbbase + GRUB_CS5536_SMB_REG_CTRL1);
+
+  /* Send device address.  */
+  err = grub_cs5536_smbus_wait (smbbase); 
+  if (err) 
+    return err;
+  grub_outb (dev << 1, smbbase + GRUB_CS5536_SMB_REG_DATA);
+
+  /* Send ACK.  */
+  err = grub_cs5536_smbus_wait (smbbase);
+  if (err)
+    return err;
+  grub_outb (grub_inb (smbbase + GRUB_CS5536_SMB_REG_CTRL1)
+	     | GRUB_CS5536_SMB_REG_CTRL1_ACK,
+	     smbbase + GRUB_CS5536_SMB_REG_CTRL1);
+
+  /* Send byte address.  */
+  grub_outb (addr, smbbase + GRUB_CS5536_SMB_REG_DATA);
+
+  /* Send START.  */
+  err = grub_cs5536_smbus_wait (smbbase); 
+  if (err) 
+    return err;
+  grub_outb (grub_inb (smbbase + GRUB_CS5536_SMB_REG_CTRL1)
+	     | GRUB_CS5536_SMB_REG_CTRL1_START,
+	     smbbase + GRUB_CS5536_SMB_REG_CTRL1);
+
+  /* Send device address.  */
+  err = grub_cs5536_smbus_wait (smbbase);
+  if (err)
+    return err;
+  grub_outb ((dev << 1) | 1, smbbase + GRUB_CS5536_SMB_REG_DATA);
+
+  /* Send STOP.  */
+  err = grub_cs5536_smbus_wait (smbbase);
+  if (err)
+    return err;
+  grub_outb (grub_inb (smbbase + GRUB_CS5536_SMB_REG_CTRL1)
+	     | GRUB_CS5536_SMB_REG_CTRL1_STOP,
+	     smbbase + GRUB_CS5536_SMB_REG_CTRL1);
+
+  err = grub_cs5536_smbus_wait (smbbase);
+  if (err) 
+    return err;
+  *res = grub_inb (smbbase + GRUB_CS5536_SMB_REG_DATA);
+
+  return GRUB_ERR_NONE;
+}
+
+grub_err_t
+grub_cs5536_init_smbus (grub_pci_device_t dev, grub_uint16_t divisor,
+			grub_port_t *smbbase)
+{
+  grub_uint64_t smbbar;
+
+  smbbar = grub_cs5536_read_msr (dev, GRUB_CS5536_MSR_SMB_BAR);
+
+  /* FIXME  */
+  if (!(smbbar & GRUB_CS5536_LBAR_ENABLE))
+    return grub_error(GRUB_ERR_IO, "SMB controller not enabled\n");
+  *smbbase = (smbbar & GRUB_CS5536_LBAR_ADDR_MASK) + GRUB_MACHINE_PCI_IO_BASE;
+
+  if (divisor < 8)
+    return grub_error (GRUB_ERR_BAD_ARGUMENT, "invalid divisor");
+
+  /* Disable SMB.  */
+  grub_outb (0, *smbbase + GRUB_CS5536_SMB_REG_CTRL2);
+
+  /* Disable interrupts.  */
+  grub_outb (0, *smbbase + GRUB_CS5536_SMB_REG_CTRL1);
+
+  /* Set as master.  */
+  grub_outb (GRUB_CS5536_SMB_REG_ADDR_MASTER,
+  	     *smbbase + GRUB_CS5536_SMB_REG_ADDR);
+
+  /* Launch.  */
+  grub_outb (((divisor >> 7) & 0xff), *smbbase + GRUB_CS5536_SMB_REG_CTRL3);
+  grub_outb (((divisor << 1) & 0xfe) | GRUB_CS5536_SMB_REG_CTRL2_ENABLE,
+	     *smbbase + GRUB_CS5536_SMB_REG_CTRL2);
+  
+  return GRUB_ERR_NONE; 
+}
+
+grub_err_t
+grub_cs5536_read_spd (grub_port_t smbbase, grub_uint8_t dev,
+		      struct grub_smbus_spd *res)
+{
+  grub_err_t err;
+  grub_size_t size;
+  grub_uint8_t b;
+  grub_size_t ptr;
+
+  err = grub_cs5536_read_spd_byte (smbbase, dev, 0, &b);
+  if (err)
+    return err;
+  if (b == 0)
+    return grub_error (GRUB_ERR_IO, "no SPD found");
+  size = b;
+  
+  ((grub_uint8_t *) res)[0] = b;
+  for (ptr = 1; ptr < size; ptr++)
+    {
+      err = grub_cs5536_read_spd_byte (smbbase, dev, ptr,
+				       &((grub_uint8_t *) res)[ptr]);
+      if (err)
+	return err;
+    }
+  return GRUB_ERR_NONE;
+}
+

bus/pci.c

@@ -19,6 +19,50 @@
 
 #include <grub/dl.h>
 #include <grub/pci.h>
+#include <grub/mm.h>
+
+/* FIXME: correctly support 64-bit architectures.  */
+/* #if GRUB_TARGET_SIZEOF_VOID_P == 4 */
+struct grub_pci_dma_chunk *
+grub_memalign_dma32 (grub_size_t align, grub_size_t size)
+{
+  return grub_memalign (align, size);
+}
+
+void
+grub_dma_free (struct grub_pci_dma_chunk *ch)
+{
+  grub_free (ch);
+}
+/* #endif */
+
+#ifdef GRUB_MACHINE_MIPS_YEELOONG
+volatile void *
+grub_dma_get_virt (struct grub_pci_dma_chunk *ch)
+{
+  return (void *) ((((grub_uint32_t) ch) & 0x1fffffff) | 0xa0000000);
+}
+
+grub_uint32_t
+grub_dma_get_phys (struct grub_pci_dma_chunk *ch)
+{
+  return (((grub_uint32_t) ch) & 0x1fffffff) | 0x80000000;
+}
+#else
+
+volatile void *
+grub_dma_get_virt (struct grub_pci_dma_chunk *ch)
+{
+  return (void *) ch;
+}
+
+grub_uint32_t
+grub_dma_get_phys (struct grub_pci_dma_chunk *ch)
+{
+  return (grub_uint32_t) (grub_addr_t) ch;
+}
+
+#endif
 
 grub_pci_address_t
 grub_pci_make_address (grub_pci_device_t dev, int reg)
@@ -48,6 +92,16 @@ grub_pci_iterate (grub_pci_iteratefunc_t hook)
 	      if (id >> 16 == 0xFFFF)
 		continue;
 
+#ifdef GRUB_MACHINE_MIPS_YEELOONG
+	      /* Skip ghosts.  */
+	      if (id == GRUB_YEELOONG_OHCI_PCIID
+		  && dev.function == GRUB_YEELOONG_OHCI_GHOST_FUNCTION)
+		continue;
+	      if (id == GRUB_YEELOONG_EHCI_PCIID
+		  && dev.function == GRUB_YEELOONG_EHCI_GHOST_FUNCTION)
+		continue;
+#endif
+
 	      if (hook (dev, id))
 		return;
 

bus/usb/ohci.c

@@ -24,8 +24,10 @@
 #include <grub/misc.h>
 #include <grub/pci.h>
 #include <grub/cpu/pci.h>
-#include <grub/i386/io.h>
+#include <grub/cpu/io.h>
 #include <grub/time.h>
+#include <grub/cs5536.h>
+#include <grub/loader.h>
 
 struct grub_ohci_hcca
 {
@@ -63,13 +65,15 @@ struct grub_ohci_td
   grub_uint32_t buffer_end;
 } __attribute__((packed));
 
-typedef struct grub_ohci_td *grub_ohci_td_t;
+typedef volatile struct grub_ohci_td *grub_ohci_td_t;
-typedef struct grub_ohci_ed *grub_ohci_ed_t;
+typedef volatile struct grub_ohci_ed *grub_ohci_ed_t;
 
 struct grub_ohci
 {
   volatile grub_uint32_t *iobase;
   volatile struct grub_ohci_hcca *hcca;
+  grub_uint32_t hcca_addr;
+  struct grub_pci_dma_chunk *hcca_chunk;
   struct grub_ohci *next;
 };
 
@@ -91,10 +95,32 @@ typedef enum
   GRUB_OHCI_REG_BULKCURR,
   GRUB_OHCI_REG_DONEHEAD,
   GRUB_OHCI_REG_FRAME_INTERVAL,
+  GRUB_OHCI_REG_PERIODIC_START = 16,
   GRUB_OHCI_REG_RHUBA = 18,
-  GRUB_OHCI_REG_RHUBPORT = 21
+  GRUB_OHCI_REG_RHUBPORT = 21,
+  GRUB_OHCI_REG_LEGACY_CONTROL = 0x100,
+  GRUB_OHCI_REG_LEGACY_INPUT = 0x104,
+  GRUB_OHCI_REG_LEGACY_OUTPUT = 0x108,
+  GRUB_OHCI_REG_LEGACY_STATUS = 0x10c
 } grub_ohci_reg_t;
 
+#define GRUB_OHCI_RHUB_PORT_POWER_MASK 0x300
+#define GRUB_OHCI_RHUB_PORT_ALL_POWERED 0x200
+
+#define GRUB_OHCI_REG_FRAME_INTERVAL_FSMPS_MASK 0x8fff0000
+#define GRUB_OHCI_REG_FRAME_INTERVAL_FSMPS_SHIFT 16
+#define GRUB_OHCI_REG_FRAME_INTERVAL_FI_SHIFT 0
+
+/* XXX: Is this choice of timings sane?  */
+#define GRUB_OHCI_FSMPS 0x2778
+#define GRUB_OHCI_PERIODIC_START 0x257f
+#define GRUB_OHCI_FRAME_INTERVAL 0x2edf
+
+#define GRUB_OHCI_SET_PORT_ENABLE (1 << 1)
+#define GRUB_OHCI_CLEAR_PORT_ENABLE (1 << 0)
+#define GRUB_OHCI_SET_PORT_RESET (1 << 4)
+#define GRUB_OHCI_SET_PORT_RESET_STATUS_CHANGE (1 << 20)
+
 static grub_uint32_t
 grub_ohci_readreg32 (struct grub_ohci *o, grub_ohci_reg_t reg)
 {
@@ -114,17 +140,41 @@ grub_ohci_writereg32 (struct grub_ohci *o,
    controller.  If this is the case, initialize it.  */
 static int NESTED_FUNC_ATTR
 grub_ohci_pci_iter (grub_pci_device_t dev,
-		    grub_pci_id_t pciid __attribute__((unused)))
+		    grub_pci_id_t pciid)
 {
-  grub_uint32_t class_code;
-  grub_uint32_t class;
-  grub_uint32_t subclass;
   grub_uint32_t interf;
   grub_uint32_t base;
   grub_pci_address_t addr;
   struct grub_ohci *o;
   grub_uint32_t revision;
-  grub_uint32_t frame_interval;
+  int cs5536;
+
+  /* Determine IO base address.  */
+  grub_dprintf ("ohci", "pciid = %x\n", pciid);
+
+  if (pciid == GRUB_CS5536_PCIID)
+    {
+      grub_uint64_t basereg;
+
+      cs5536 = 1;
+      basereg = grub_cs5536_read_msr (dev, GRUB_CS5536_MSR_USB_OHCI_BASE);
+      if (!(basereg & GRUB_CS5536_MSR_USB_BASE_MEMORY_ENABLE))
+	{
+	  /* Shouldn't happen.  */
+	  grub_dprintf ("ohci", "No OHCI address is assigned\n");
+	  return 0;
+	}
+      base = (basereg & GRUB_CS5536_MSR_USB_BASE_ADDR_MASK);
+      basereg |= GRUB_CS5536_MSR_USB_BASE_BUS_MASTER;
+      basereg &= ~GRUB_CS5536_MSR_USB_BASE_PME_ENABLED;
+      basereg &= ~GRUB_CS5536_MSR_USB_BASE_PME_STATUS;
+      grub_cs5536_write_msr (dev, GRUB_CS5536_MSR_USB_OHCI_BASE, basereg);
+    }
+  else
+    {
+      grub_uint32_t class_code;
+      grub_uint32_t class;
+      grub_uint32_t subclass;
 
       addr = grub_pci_make_address (dev, GRUB_PCI_REG_CLASS);
       class_code = grub_pci_read (addr) >> 8;
@@ -137,7 +187,6 @@ grub_ohci_pci_iter (grub_pci_device_t dev,
       if (class != 0x0c || subclass != 0x03 || interf != 0x10)
 	return 0;
 
-  /* Determine IO base address.  */
       addr = grub_pci_make_address (dev, GRUB_PCI_REG_ADDRESS_REG0);
       base = grub_pci_read (addr);
 
@@ -147,18 +196,25 @@ grub_ohci_pci_iter (grub_pci_device_t dev,
 	return 0;
 #endif
 
+      grub_dprintf ("ohci", "class=0x%02x 0x%02x interface 0x%02x\n",
+		    class, subclass, interf);
+    }
+
   /* Allocate memory for the controller and register it.  */
   o = grub_malloc (sizeof (*o));
   if (! o)
     return 1;
 
-  o->iobase = (grub_uint32_t *) base;
+  o->iobase = grub_pci_device_map_range (dev, base, 0x800);
+
+  grub_dprintf ("ohci", "base=%p\n", o->iobase);
 
   /* Reserve memory for the HCCA.  */
-  o->hcca = (struct grub_ohci_hcca *) grub_memalign (256, 256);
+  o->hcca_chunk = grub_memalign_dma32 (256, 256);
-
+  if (! o->hcca_chunk)
-  grub_dprintf ("ohci", "class=0x%02x 0x%02x interface 0x%02x base=%p\n",
+    return 1;
- 		class, subclass, interf, o->iobase);
+  o->hcca = grub_dma_get_virt (o->hcca_chunk);
+  o->hcca_addr = grub_dma_get_phys (o->hcca_chunk);
 
   /* Check if the OHCI revision is actually 1.0 as supported.  */
   revision = grub_ohci_readreg32 (o, GRUB_OHCI_REG_REVISION);
@@ -166,27 +222,116 @@ grub_ohci_pci_iter (grub_pci_device_t dev,
   if ((revision & 0xFF) != 0x10)
     goto fail;
 
-  /* Backup the frame interval register.  */
+
-  frame_interval = grub_ohci_readreg32 (o, GRUB_OHCI_REG_FRAME_INTERVAL);
+  {
+    grub_uint32_t control;
+    /* Check SMM/BIOS ownership of OHCI (SMM = USB Legacy Support driver for BIOS) */
+    control = grub_ohci_readreg32 (o, GRUB_OHCI_REG_CONTROL);
+    if ((control & 0x100) != 0)
+      {
+	unsigned i;
+	grub_dprintf("ohci", "OHCI is owned by SMM\n");
+	/* Do change of ownership */
+	/* Ownership change request */
+	grub_ohci_writereg32 (o, GRUB_OHCI_REG_CMDSTATUS, (1<<3)); /* XXX: Magic.  */
+	/* Waiting for SMM deactivation */
+	for (i=0; i < 10; i++)
+	  {
+	    if ((grub_ohci_readreg32 (o, GRUB_OHCI_REG_CONTROL) & 0x100) == 0)
+	      {
+		grub_dprintf("ohci", "Ownership changed normally.\n");
+		break;
+	      }
+	    grub_millisleep (100);
+          }
+	if (i >= 10)
+	  {
+	    grub_ohci_writereg32 (o, GRUB_OHCI_REG_CONTROL,
+				  grub_ohci_readreg32 (o, GRUB_OHCI_REG_CONTROL) & ~0x100);
+	    grub_dprintf("ohci", "Ownership changing timeout, change forced !\n");
+	  }
+      }
+    else if (((control & 0x100) == 0) && 
+	     ((control & 0xc0) != 0)) /* Not owned by SMM nor reset */
+      {
+	grub_dprintf("ohci", "OHCI is owned by BIOS\n");
+	/* Do change of ownership - not implemented yet... */
+	/* In fact we probably need to do nothing ...? */
+      }
+    else
+      {
+	grub_dprintf("ohci", "OHCI is not owned by SMM nor BIOS\n");
+	/* We can setup OHCI. */
+      }  
+  }
 
   /* Suspend the OHCI by issuing a reset.  */
   grub_ohci_writereg32 (o, GRUB_OHCI_REG_CMDSTATUS, 1); /* XXX: Magic.  */
   grub_millisleep (1);
   grub_dprintf ("ohci", "OHCI reset\n");
 
-  /* Restore the frame interval register.  */
+  grub_ohci_writereg32 (o, GRUB_OHCI_REG_FRAME_INTERVAL,
-  grub_ohci_writereg32 (o, GRUB_OHCI_REG_FRAME_INTERVAL, frame_interval);
+			(GRUB_OHCI_FSMPS
+			 << GRUB_OHCI_REG_FRAME_INTERVAL_FSMPS_SHIFT)
+			| (GRUB_OHCI_FRAME_INTERVAL
+			   << GRUB_OHCI_REG_FRAME_INTERVAL_FI_SHIFT));
+
+  grub_ohci_writereg32 (o, GRUB_OHCI_REG_PERIODIC_START,
+			GRUB_OHCI_PERIODIC_START);
 
   /* Setup the HCCA.  */
-  grub_ohci_writereg32 (o, GRUB_OHCI_REG_HCCA, (grub_uint32_t) o->hcca);
+  o->hcca->donehead = 0;
+  grub_ohci_writereg32 (o, GRUB_OHCI_REG_HCCA, o->hcca_addr);
   grub_dprintf ("ohci", "OHCI HCCA\n");
 
+  /* Misc. pre-sets. */
+  o->hcca->donehead = 0;
+  grub_ohci_writereg32 (o, GRUB_OHCI_REG_INTSTATUS, 0x7f); /* Clears everything */
+  grub_ohci_writereg32 (o, GRUB_OHCI_REG_CONTROLHEAD, 0);
+  grub_ohci_writereg32 (o, GRUB_OHCI_REG_CONTROLCURR, 0);
+  grub_ohci_writereg32 (o, GRUB_OHCI_REG_BULKHEAD, 0);
+  grub_ohci_writereg32 (o, GRUB_OHCI_REG_BULKCURR, 0);
+
+  /* Check OHCI Legacy Support */
+  if ((revision & 0x100) != 0)
+    {
+      grub_dprintf ("ohci", "Legacy Support registers detected\n");
+      grub_dprintf ("ohci", "Current state of legacy control reg.: 0x%04x\n",
+		    grub_ohci_readreg32 (o, GRUB_OHCI_REG_LEGACY_CONTROL));
+      grub_ohci_writereg32 (o, GRUB_OHCI_REG_LEGACY_CONTROL,
+			    (grub_ohci_readreg32 (o, GRUB_OHCI_REG_LEGACY_CONTROL)) & ~1);
+      grub_dprintf ("ohci", "OHCI Legacy Support disabled.\n");
+    }
+
   /* Enable the OHCI.  */
   grub_ohci_writereg32 (o, GRUB_OHCI_REG_CONTROL,
 			(2 << 6));
   grub_dprintf ("ohci", "OHCI enable: 0x%02x\n",
 		(grub_ohci_readreg32 (o, GRUB_OHCI_REG_CONTROL) >> 6) & 3);
 
+  /* Power on all ports */
+  grub_ohci_writereg32 (o, GRUB_OHCI_REG_RHUBA,
+                       (grub_ohci_readreg32 (o, GRUB_OHCI_REG_RHUBA)
+                        & ~GRUB_OHCI_RHUB_PORT_POWER_MASK)
+                       | GRUB_OHCI_RHUB_PORT_ALL_POWERED);
+  /* Wait for stable power (100ms) and stable attachment (100ms) */
+  /* I.e. minimum wait time should be probably 200ms. */
+  /* We assume that device is attached when ohci is loaded. */
+  /* Some devices take long time to power-on or indicate attach. */
+  /* Here is some experimental value which should probably mostly work. */
+  /* Cameras with manual USB mode selection and maybe some other similar
+   * devices will not work in some cases - they are repowered during
+   * ownership change and then they are starting slowly and mostly they
+   * are wanting select proper mode again...
+   * The same situation can be on computers where BIOS not set-up OHCI
+   * to be at least powered USB bus (maybe it is Yeelong case...?)
+   * Possible workaround could be for example some prompt
+   * for user with confirmation of proper USB device connection.
+   * Another workaround - "rmmod usbms", "rmmod ohci", proper start
+   * and configuration of USB device and then "insmod ohci"
+   * and "insmod usbms". */
+  grub_millisleep (500);	
+
   /* Link to ohci now that initialisation is successful.  */
   o->next = ohci;
   ohci = o;
@@ -195,10 +340,10 @@ grub_ohci_pci_iter (grub_pci_device_t dev,
 
  fail:
   if (o)
-    grub_free ((void *) o->hcca);
+    grub_dma_free (o->hcca_chunk);
   grub_free (o);
 
-  return 1;
+  return 0;
 }
 
 
@@ -229,7 +374,7 @@ grub_ohci_iterate (int (*hook) (grub_usb_controller_t dev))
 static void
 grub_ohci_transaction (grub_ohci_td_t td,
 		       grub_transfer_type_t type, unsigned int toggle,
-		       grub_size_t size, char *data)
+		       grub_size_t size, grub_uint32_t data)
 {
   grub_uint32_t token;
   grub_uint32_t buffer;
@@ -254,20 +399,38 @@ grub_ohci_transaction (grub_ohci_td_t td,
       break;
     }
 
+#if 0 /* Always generate interrupt */
   /* Generate no interrupts.  */
   token |= 7 << 21;
+#endif
 
   /* Set the token.  */
   token |= toggle << 24;
   token |= 1 << 25;
 
-  buffer = (grub_uint32_t) data;
+  /* Set "Not accessed" error code */
+  token |= 15 << 28;
+
+  buffer = data;
   buffer_end = buffer + size - 1;
 
-  td->token = grub_cpu_to_le32 (token);
+  /* Set correct buffer values in TD if zero transfer occurs */
+  if (size)
+    {
+      buffer = (grub_uint32_t) data;
+      buffer_end = buffer + size - 1;
       td->buffer = grub_cpu_to_le32 (buffer);
-  td->next_td = 0;
       td->buffer_end = grub_cpu_to_le32 (buffer_end);
+    }
+  else 
+    {
+      td->buffer = 0;
+      td->buffer_end = 0;
+    }
+
+  /* Set the rest of TD */
+  td->token = grub_cpu_to_le32 (token);
+  td->next_td = 0;
 }
 
 static grub_usb_err_t
@@ -276,7 +439,10 @@ grub_ohci_transfer (grub_usb_controller_t dev,
 {
   struct grub_ohci *o = (struct grub_ohci *) dev->data;
   grub_ohci_ed_t ed;
+  grub_uint32_t ed_addr;
+  struct grub_pci_dma_chunk *ed_chunk, *td_list_chunk;
   grub_ohci_td_t td_list;
+  grub_uint32_t td_list_addr;
   grub_uint32_t target;
   grub_uint32_t td_tail;
   grub_uint32_t td_head;
@@ -284,20 +450,30 @@ grub_ohci_transfer (grub_usb_controller_t dev,
   grub_uint32_t control;
   grub_usb_err_t err;
   int i;
+  grub_uint64_t maxtime;
+  int err_timeout = 0;
+  int err_unrec = 0;
+  grub_uint32_t intstatus;
+  grub_uint32_t tderr_addr = 0;
 
   /* Allocate an Endpoint Descriptor.  */
-  ed = grub_memalign (16, sizeof (*ed));
+  ed_chunk = grub_memalign_dma32 (256, sizeof (*ed));
-  if (! ed)
+  if (! ed_chunk)
     return GRUB_USB_ERR_INTERNAL;
+  ed = grub_dma_get_virt (ed_chunk);
+  ed_addr = grub_dma_get_phys (ed_chunk);
 
-  td_list = grub_memalign (16, sizeof (*td_list) * (transfer->transcnt + 1));
+  td_list_chunk = grub_memalign_dma32 (256, sizeof (*td_list)
-  if (! td_list)
+				       * (transfer->transcnt + 1));
+  if (! td_list_chunk)
     {
-      grub_free ((void *) ed);
+      grub_dma_free (ed_chunk);
       return GRUB_USB_ERR_INTERNAL;
     }
+  td_list = grub_dma_get_virt (td_list_chunk);
+  td_list_addr = grub_dma_get_phys (td_list_chunk);
 
-  grub_dprintf ("ohci", "alloc=%p\n", td_list);
+  grub_dprintf ("ohci", "alloc=%p/0x%x\n", td_list, td_list_addr);
 
   /* Setup all Transfer Descriptors.  */
   for (i = 0; i < transfer->transcnt; i++)
@@ -307,16 +483,31 @@ grub_ohci_transfer (grub_usb_controller_t dev,
       grub_ohci_transaction (&td_list[i], tr->pid, tr->toggle,
 			     tr->size, tr->data);
 
-      td_list[i].next_td = grub_cpu_to_le32 (&td_list[i + 1]);
+      td_list[i].next_td = grub_cpu_to_le32 (td_list_addr
+					     + (i + 1) * sizeof (td_list[0]));
     }
 
+#if 0 /* Better will be enable interrupt on all TDs. */
+  /* The last-1 TD token we should change to enable interrupt when TD finishes.
+   * As OHCI interrupts are disabled, it does only setting of WDH bit in
+   * HcInterruptStatus register - and that is what we want to safely detect
+   * normal end of all transactions. */
+  td_list[transfer->transcnt - 1].token &= ~(7 << 21);
+#endif
+
+  td_list[transfer->transcnt].token = 0;
+  td_list[transfer->transcnt].buffer = 0;
+  td_list[transfer->transcnt].buffer_end = 0;
+  td_list[transfer->transcnt].next_td =
+    (grub_uint32_t) &td_list[transfer->transcnt];
+  
   /* Setup the Endpoint Descriptor.  */
 
   /* Set the device address.  */
   target = transfer->devaddr;
 
-  /* Set the endpoint.  */
+  /* Set the endpoint. It should be masked, we need 4 bits only. */
-  target |= transfer->endpoint << 7;
+  target |= (transfer->endpoint & 15) << 7;
 
   /* Set the device speed.  */
   target |= (transfer->dev->speed == GRUB_USB_SPEED_LOW) << 13;
@@ -324,9 +515,9 @@ grub_ohci_transfer (grub_usb_controller_t dev,
   /* Set the maximum packet size.  */
   target |= transfer->max << 16;
 
-  td_head = (grub_uint32_t) td_list;
+  td_head = td_list_addr;
 
-  td_tail = (grub_uint32_t) &td_list[transfer->transcnt];
+  td_tail = td_list_addr + transfer->transcnt * sizeof (*td_list);
 
   ed->target = grub_cpu_to_le32 (target);
   ed->td_head = grub_cpu_to_le32 (td_head);
@@ -335,6 +526,30 @@ grub_ohci_transfer (grub_usb_controller_t dev,
 
   grub_dprintf ("ohci", "program OHCI\n");
 
+  /* Disable the Control and Bulk lists.  */
+  control = grub_ohci_readreg32 (o, GRUB_OHCI_REG_CONTROL);
+  control &= ~(3 << 4);
+  grub_ohci_writereg32 (o, GRUB_OHCI_REG_CONTROL, control);
+
+  /* Clear BulkListFilled and ControlListFilled.  */
+  status = grub_ohci_readreg32 (o, GRUB_OHCI_REG_CMDSTATUS);
+  status &= ~(3 << 1);
+  grub_ohci_writereg32 (o, GRUB_OHCI_REG_CMDSTATUS, status);
+
+  /* Now we should wait for start of next frame. Because we are not using
+   * interrupt, we reset SF bit and wait when it goes to 1. */
+  /* SF bit reset. (SF bit indicates Start Of Frame (SOF) packet) */
+  grub_ohci_writereg32 (o, GRUB_OHCI_REG_INTSTATUS, (1<<2));
+  /* Wait for new SOF */
+  while ((grub_ohci_readreg32 (o, GRUB_OHCI_REG_INTSTATUS) & 0x4) == 0);
+  /* Now it should be safe to change CONTROL and BULK lists. */
+
+  /* This we do for safety's sake - it should be done in previous call
+   * of grub_ohci_transfer and nobody should change it in meantime...
+   * It should be done before start of control or bulk OHCI list. */   
+  o->hcca->donehead = 0;
+  grub_ohci_writereg32 (o, GRUB_OHCI_REG_INTSTATUS, (1 << 1)); /* Clears WDH */
+
   /* Program the OHCI to actually transfer.  */
   switch (transfer->type)
     {
@@ -342,24 +557,22 @@ grub_ohci_transfer (grub_usb_controller_t dev,
       {
 	grub_dprintf ("ohci", "add to bulk list\n");
 
-	status = grub_ohci_readreg32 (o, GRUB_OHCI_REG_CMDSTATUS);
+	/* Set BulkList Head and Current */
-	control = grub_ohci_readreg32 (o, GRUB_OHCI_REG_CONTROL);
+	grub_ohci_writereg32 (o, GRUB_OHCI_REG_BULKHEAD, ed_addr);
+	grub_ohci_writereg32 (o, GRUB_OHCI_REG_BULKCURR, 0);
 
-	/* Disable the Control and Bulk lists.  */
+#define GRUB_OHCI_REG_CONTROL_BULK_ENABLE (1 << 5)
-	control &= ~(3 << 4);
+#define GRUB_OHCI_REG_CONTROL_CONTROL_ENABLE (1 << 4)
-	grub_ohci_writereg32 (o, GRUB_OHCI_REG_CONTROL, control);
-
-	/* Clear BulkListFilled.  */
-	status &= ~(1 << 2);
-	grub_ohci_writereg32 (o, GRUB_OHCI_REG_CMDSTATUS, status);
-
-	grub_ohci_writereg32 (o, GRUB_OHCI_REG_BULKHEAD, (grub_uint32_t) ed);
 
 	/* Enable the Bulk list.  */
-	control |= 1 << 5;
+	control = grub_ohci_readreg32 (o, GRUB_OHCI_REG_CONTROL);
+	control |= GRUB_OHCI_REG_CONTROL_BULK_ENABLE;
+	control &= ~GRUB_OHCI_REG_CONTROL_CONTROL_ENABLE;
+
 	grub_ohci_writereg32 (o, GRUB_OHCI_REG_CONTROL, control);
 
 	/* Set BulkListFilled.  */
+	status = grub_ohci_readreg32 (o, GRUB_OHCI_REG_CMDSTATUS);
 	status |= 1 << 2;
 	grub_ohci_writereg32 (o, GRUB_OHCI_REG_CMDSTATUS, status);
 
@@ -369,24 +582,14 @@ grub_ohci_transfer (grub_usb_controller_t dev,
     case GRUB_USB_TRANSACTION_TYPE_CONTROL:
       {
 	grub_dprintf ("ohci", "add to control list\n");
-	status = grub_ohci_readreg32 (o, GRUB_OHCI_REG_CMDSTATUS);
-	control = grub_ohci_readreg32 (o, GRUB_OHCI_REG_CONTROL);
 
-	/* Disable the Control and Bulk lists.  */
+	/* Set ControlList Head and Current */
-	control &= ~(3 << 4);
+	grub_ohci_writereg32 (o, GRUB_OHCI_REG_CONTROLHEAD, ed_addr);
-	grub_ohci_writereg32 (o, GRUB_OHCI_REG_CONTROL, control);
+	grub_ohci_writereg32 (o, GRUB_OHCI_REG_CONTROLCURR, 0);
-
-	/* Clear ControlListFilled.  */
-	status &= ~(1 << 1);
-	grub_ohci_writereg32 (o, GRUB_OHCI_REG_CMDSTATUS, status);
-
-	grub_ohci_writereg32 (o, GRUB_OHCI_REG_CONTROLHEAD,
-			      (grub_uint32_t) ed);
-	grub_ohci_writereg32 (o, GRUB_OHCI_REG_CONTROLHEAD+1,
-			      (grub_uint32_t) ed);
 
 	/* Enable the Control list.  */
-	control |= 1 << 4;
+	control |= GRUB_OHCI_REG_CONTROL_CONTROL_ENABLE;
+	control &= ~GRUB_OHCI_REG_CONTROL_BULK_ENABLE;
 	grub_ohci_writereg32 (o, GRUB_OHCI_REG_CONTROL, control);
 
 	/* Set ControlListFilled.  */
@@ -397,37 +600,138 @@ grub_ohci_transfer (grub_usb_controller_t dev,
     }
 
   grub_dprintf ("ohci", "wait for completion\n");
-  grub_dprintf ("ohci", "control=0x%02x status=0x%02x\n",
+  grub_dprintf ("ohci", "begin: control=0x%02x status=0x%02x\n",
 		grub_ohci_readreg32 (o, GRUB_OHCI_REG_CONTROL),
 		grub_ohci_readreg32 (o, GRUB_OHCI_REG_CMDSTATUS));
+  grub_dprintf ("ohci","intstatus=0x%02x\n",
+		grub_ohci_readreg32 (o, GRUB_OHCI_REG_INTSTATUS));
+
+  /* Safety measure to avoid a hang. */
+  maxtime = grub_get_time_ms () + 1000;
 	
   /* Wait until the transfer is completed or STALLs.  */
-  while ((ed->td_head & ~0xf) != (ed->td_tail & ~0xf))
+  do
     {
-      grub_cpu_idle ();
+      /* Check transfer status */
+      intstatus = grub_ohci_readreg32 (o, GRUB_OHCI_REG_INTSTATUS);
+      if ((intstatus & 0x2) != 0)
+        {
+          grub_dprintf ("ohci", "Current HccaDoneHead=0x%08x\n",
+			o->hcca->donehead);
+          /* Remember last successful TD */
+          tderr_addr = grub_le_to_cpu32 (o->hcca->donehead) & ~0xf;
+          /* Reset DoneHead */
+	  o->hcca->donehead = 0;
+          grub_ohci_writereg32 (o, GRUB_OHCI_REG_INTSTATUS, (1 << 1));
+          /* if TD is last, finish */
+          if (tderr_addr == td_list_addr
+	      + sizeof (td_list[0]) * (transfer->transcnt - 1))
+            break;
+	  continue;
+        }
 
-      grub_dprintf ("ohci", "head=0x%02x tail=0x%02x\n", ed->td_head, ed->td_tail);
+      if ((intstatus & 0x10) != 0)
-
+        { /* Unrecoverable error - only reset can help...! */
-      /* Detected a STALL.  */
+          err_unrec = 1;
-      if (ed->td_head & 1)
           break;
         }
 
-  grub_dprintf ("ohci", "complete\n");
+      /* Detected a HALT.  */
+      if (grub_le_to_cpu32 (ed->td_head) & 1)
+        break;
 
-/*   if (ed->td_head & 1) */
+      /* Timeout ? */
-/*     err = GRUB_USB_ERR_STALL; */
+      if (grub_get_time_ms () > maxtime)
-/*   else if (ed->td */
+      	{
+	  /* Disable the Control and Bulk lists.  */
+  	  grub_ohci_writereg32 (o, GRUB_OHCI_REG_CONTROL,
+	  grub_ohci_readreg32 (o, GRUB_OHCI_REG_CONTROL) & ~(3 << 4));
+      	  err_timeout = 1;
+      	  break;
+      	}
 
+      if ((ed->td_head & ~0xf) == (ed->td_tail & ~0xf))
+	break;
 
-  if (ed->td_head & 1)
+      grub_cpu_idle ();
+    }
+  while (1);
+
+  grub_dprintf ("ohci", "end: control=0x%02x status=0x%02x\n",
+		grub_ohci_readreg32 (o, GRUB_OHCI_REG_CONTROL),
+		grub_ohci_readreg32 (o, GRUB_OHCI_REG_CMDSTATUS));
+  grub_dprintf ("ohci", "intstatus=0x%02x\n",
+		grub_ohci_readreg32 (o, GRUB_OHCI_REG_INTSTATUS));
+
+  if (!tderr_addr)
+    {
+      /* It means that something wrong happened,
+       * it could be:
+       * - timeout and no TD processed
+       * - some or unrecoverable error and no TD processed
+       * - something unexpected... :-( */
+      /* Try look into DONEHEAD reg., but there should be also zero */
+      grub_dprintf("ohci", "HCCA DoneHead is zero, something is bad!\n");
+      tderr_addr = grub_ohci_readreg32 (o, GRUB_OHCI_REG_DONEHEAD) & ~0xf;
+    }
+  
+  /* Remember last processed transaction (TD) - it is necessary for
+   * proper setting of toggle bit in next transaction. */
+  transfer->last_trans = ((tderr_addr - td_list_addr) / sizeof (*td_list));
+  grub_dprintf("ohci", "tderr_addr=0x%x, td_list_addr=0x%x,\n",
+	       tderr_addr, td_list_addr);
+
+  if ((ed->td_head & ~0xf) == (ed->td_tail & ~0xf))
+    transfer->last_trans = transfer->transcnt - 1;
+
+  /* Check correct value in last_trans */
+  /* It could happen if timeout happens and no TD was retired */
+  if (transfer->last_trans >= transfer->transcnt || !tderr_addr)
+    {
+      grub_dprintf("ohci", "tderr==0 or out of TDs range!\n");
+      grub_dprintf("ohci", "last_trans=%d, transcnt=%d\n",
+		   transfer->last_trans, transfer->transcnt);
+
+      /* We should set something valid... */
+      transfer->last_trans = -1; /* Probably no TD done */
+      tderr_addr = td_list_addr;
+    }
+ 
+  /* In case of timeout do not detect error from TD */    
+  if (err_timeout)
+    {
+      err = GRUB_ERR_TIMEOUT;
+      grub_dprintf("ohci", "Timeout, target=%08x, head=%08x\n",
+		   grub_le_to_cpu32(ed->target),
+		   grub_le_to_cpu32(ed->td_head));
+      grub_dprintf("ohci", "tail=%08x, next=%08x\n",
+		   grub_le_to_cpu32(ed->td_tail),
+		   grub_le_to_cpu32(ed->next_ed));
+    }
+  /* In case of unrecoverable error do not detect error from TD */    
+  else if (err_unrec)
+    {
+      err = GRUB_USB_ERR_UNRECOVERABLE;
+      grub_dprintf("ohci",
+		   "Unrecoverable error, target=%08x, head=%08x\n",
+		   grub_le_to_cpu32(ed->target),
+		   grub_le_to_cpu32(ed->td_head));
+      grub_dprintf("ohci", "tail=%08x, next=%08x\n",
+		   grub_le_to_cpu32(ed->td_tail),
+		   grub_le_to_cpu32(ed->next_ed));
+    }
+  else if (grub_le_to_cpu32 (ed->td_head) & 1)
     {
       grub_uint8_t errcode;
-      grub_ohci_td_t tderr;
+      grub_ohci_td_t tderr = NULL;
 
-      tderr = (grub_ohci_td_t) grub_ohci_readreg32 (o,
+      transfer->last_trans--;
-						    GRUB_OHCI_REG_DONEHEAD);
+
-      errcode = tderr->token >> 28;
+      tderr = (grub_ohci_td_t) ((char *) td_list
+				+ (tderr_addr - td_list_addr));
+ 
+      errcode = grub_le_to_cpu32 (tderr->token) >> 28;      
+      grub_dprintf ("ohci", "OHCI errcode=0x%02x\n", errcode);
 
       switch (errcode)
 	{
@@ -473,11 +777,17 @@ grub_ohci_transfer (grub_usb_controller_t dev,
 	case 8:
 	  /* XXX: Data overrun error.  */
 	  err = GRUB_USB_ERR_DATA;
+	  grub_dprintf ("ohci", "Overrun, failed TD address: %p, index: %d\n",
+	                tderr, transfer->last_trans);
 	  break;
 
 	case 9:
 	  /* XXX: Data underrun error.  */
 	  err = GRUB_USB_ERR_DATA;
+	  grub_dprintf ("ohci", "Underrun, failed TD address: %p, index: %d\n",
+	                tderr, transfer->last_trans);
+	  grub_dprintf ("ohci", "Underrun, number of not transferred bytes: %d\n",
+	                1 + grub_le_to_cpu32 (tderr->buffer_end) - grub_le_to_cpu32 (tderr->buffer));
 	  break;
 
 	case 10:
@@ -515,12 +825,58 @@ grub_ohci_transfer (grub_usb_controller_t dev,
 
   /* Clear BulkListFilled and ControlListFilled.  */
   status = grub_ohci_readreg32 (o, GRUB_OHCI_REG_CMDSTATUS);
-  status &= ~((1 << 2) | (1 << 3));
+  status &= ~(3 << 1);
   grub_ohci_writereg32 (o, GRUB_OHCI_REG_CMDSTATUS, status);
    
-  /* XXX */
+  /* Set ED to be skipped - for safety */
-  grub_free (td_list);
+  ed->target |= grub_cpu_to_le32 (1 << 14);
-  grub_free (ed);
+ 
+  /* Now we should wait for start of next frame.
+   * It is necessary because we will invalidate pointer to ED and it
+   * can be on OHCI active till SOF!
+   * Because we are not using interrupt, we reset SF bit and wait when
+   * it goes to 1. */
+  /* SF bit reset. (SF bit indicates Start Of Frame (SOF) packet) */
+  grub_ohci_writereg32 (o, GRUB_OHCI_REG_INTSTATUS, (1<<2));
+  /* Wait for new SOF */
+  while (((grub_ohci_readreg32 (o, GRUB_OHCI_REG_INTSTATUS) & 0x4) == 0)
+         && !err_unrec);
+  /* Now it should be safe to change CONTROL and BULK lists. */
+   
+  /* Important cleaning. */
+  o->hcca->donehead = 0;
+  grub_ohci_writereg32 (o, GRUB_OHCI_REG_INTSTATUS, (1 << 1)); /* Clears WDH */
+  grub_ohci_writereg32 (o, GRUB_OHCI_REG_CONTROLHEAD, 0);
+  grub_ohci_writereg32 (o, GRUB_OHCI_REG_CONTROLCURR, 0);
+  grub_ohci_writereg32 (o, GRUB_OHCI_REG_BULKHEAD, 0);
+  grub_ohci_writereg32 (o, GRUB_OHCI_REG_BULKCURR, 0);
+
+ if (err_unrec)
+   {
+     /* Do OHCI reset in case of unrecoverable error - maybe we will need
+      * do more - re-enumerate bus etc. (?) */
+
+     /* Suspend the OHCI by issuing a reset.  */
+     grub_ohci_writereg32 (o, GRUB_OHCI_REG_CMDSTATUS, 1); /* XXX: Magic.  */
+     grub_millisleep (1);
+     grub_dprintf ("ohci", "Unrecoverable error - OHCI reset\n");
+
+     /* Misc. resets. */
+     o->hcca->donehead = 0;
+     grub_ohci_writereg32 (o, GRUB_OHCI_REG_INTSTATUS, 0x7f); /* Clears everything */
+     grub_ohci_writereg32 (o, GRUB_OHCI_REG_CONTROLHEAD, 0);
+     grub_ohci_writereg32 (o, GRUB_OHCI_REG_CONTROLCURR, 0);
+     grub_ohci_writereg32 (o, GRUB_OHCI_REG_BULKHEAD, 0);
+     grub_ohci_writereg32 (o, GRUB_OHCI_REG_BULKCURR, 0);
+
+     /* Enable the OHCI.  */
+     grub_ohci_writereg32 (o, GRUB_OHCI_REG_CONTROL, (2 << 6));
+   } 
+
+  grub_dprintf ("ohci", "OHCI finished, freeing, err=0x%02x\n", err);
+   
+  grub_dma_free (td_list_chunk);
+  grub_dma_free (ed_chunk);
 
   return err;
 }
@@ -530,27 +886,29 @@ grub_ohci_portstatus (grub_usb_controller_t dev,
 		      unsigned int port, unsigned int enable)
 {
    struct grub_ohci *o = (struct grub_ohci *) dev->data;
-   grub_uint32_t status;
 
-   /* Reset the port.  */
+   grub_dprintf ("ohci", "begin of portstatus=0x%02x\n",
-   status = grub_ohci_readreg32 (o, GRUB_OHCI_REG_RHUBPORT + port);
+                 grub_ohci_readreg32 (o, GRUB_OHCI_REG_RHUBPORT + port));
-   status |= (1 << 4); /* XXX: Magic.  */
+
-   grub_ohci_writereg32 (o, GRUB_OHCI_REG_RHUBPORT + port, status);
+   grub_ohci_writereg32 (o, GRUB_OHCI_REG_RHUBPORT + port,
-   grub_millisleep (100);
+			 GRUB_OHCI_SET_PORT_RESET);
+   grub_millisleep (50); /* For root hub should be nominaly 50ms */
  
     /* End the reset signaling.  */
-   status = grub_ohci_readreg32 (o, GRUB_OHCI_REG_RHUBPORT + port);
+   grub_ohci_writereg32 (o, GRUB_OHCI_REG_RHUBPORT + port,
-   status |= (1 << 20); /* XXX: Magic.  */
+			 GRUB_OHCI_SET_PORT_RESET_STATUS_CHANGE);
-   grub_ohci_writereg32 (o, GRUB_OHCI_REG_RHUBPORT + port, status);
    grub_millisleep (10);
 
-   /* Enable the port.  */
+   if (enable)
-   status = grub_ohci_readreg32 (o, GRUB_OHCI_REG_RHUBPORT + port);
+     grub_ohci_writereg32 (o, GRUB_OHCI_REG_RHUBPORT + port,
-   status |= (enable << 1); /* XXX: Magic.  */
+			   GRUB_OHCI_SET_PORT_ENABLE);
-   grub_ohci_writereg32 (o, GRUB_OHCI_REG_RHUBPORT + port, status);
+   else
+     grub_ohci_writereg32 (o, GRUB_OHCI_REG_RHUBPORT + port,
+			   GRUB_OHCI_CLEAR_PORT_ENABLE);
+   grub_millisleep (10);
 
-   status = grub_ohci_readreg32 (o, GRUB_OHCI_REG_RHUBPORT + port);
+   grub_dprintf ("ohci", "end of portstatus=0x%02x\n",
-   grub_dprintf ("ohci", "portstatus=0x%02x\n", status);
+		 grub_ohci_readreg32 (o, GRUB_OHCI_REG_RHUBPORT + port));
  
    return GRUB_ERR_NONE;
 }
@@ -587,6 +945,42 @@ grub_ohci_hubports (grub_usb_controller_t dev)
   return portinfo & 0xFF;
 }
 
+static grub_err_t
+grub_ohci_fini_hw (int noreturn __attribute__ ((unused)))
+{
+  struct grub_ohci *o;
+
+  for (o = ohci; o; o = o->next)
+    {
+      int i, nports = grub_ohci_readreg32 (o, GRUB_OHCI_REG_RHUBA) & 0xff;
+      for (i = 0; i < nports; i++)
+	grub_ohci_writereg32 (o, GRUB_OHCI_REG_RHUBPORT + i,
+			      GRUB_OHCI_CLEAR_PORT_ENABLE);
+
+      grub_ohci_writereg32 (o, GRUB_OHCI_REG_HCCA, 0);
+      grub_ohci_writereg32 (o, GRUB_OHCI_REG_CONTROLHEAD, 0);
+      grub_ohci_writereg32 (o, GRUB_OHCI_REG_CONTROLCURR, 0);
+      grub_ohci_writereg32 (o, GRUB_OHCI_REG_BULKHEAD, 0);
+      grub_ohci_writereg32 (o, GRUB_OHCI_REG_BULKCURR, 0);
+      grub_ohci_writereg32 (o, GRUB_OHCI_REG_DONEHEAD, 0);
+      grub_ohci_writereg32 (o, GRUB_OHCI_REG_CONTROL, 0);
+      grub_ohci_writereg32 (o, GRUB_OHCI_REG_CMDSTATUS, 1);
+    }
+  grub_millisleep (10);
+
+  return GRUB_ERR_NONE;
+}
+
+static grub_err_t
+grub_ohci_restore_hw (void)
+{
+  struct grub_ohci *o;
+
+  for (o = ohci; o; o = o->next)
+    grub_ohci_writereg32 (o, GRUB_OHCI_REG_HCCA, o->hcca_addr);
+
+  return GRUB_ERR_NONE;
+}
 
 
 static struct grub_usb_controller_dev usb_controller =
@@ -603,9 +997,12 @@ GRUB_MOD_INIT(ohci)
 {
   grub_ohci_inithw ();
   grub_usb_controller_dev_register (&usb_controller);
+  grub_loader_register_preboot_hook (grub_ohci_fini_hw, grub_ohci_restore_hw,
+				     GRUB_LOADER_PREBOOT_HOOK_PRIO_DISK);
 }
 
 GRUB_MOD_FINI(ohci)
 {
+  grub_ohci_fini_hw (0);
   grub_usb_controller_dev_unregister (&usb_controller);
 }

bus/usb/uhci.c

@@ -174,14 +174,15 @@ grub_uhci_pci_iter (grub_pci_device_t dev,
     return 1;
 
   u->iobase = base & GRUB_UHCI_IOMASK;
-  grub_dprintf ("uhci", "class=0x%02x 0x%02x interface 0x%02x base=0x%x\n",
-		class, subclass, interf, u->iobase);
 
   /* Reserve a page for the frame list.  */
   u->framelist = grub_memalign (4096, 4096);
   if (! u->framelist)
     goto fail;
 
+  grub_dprintf ("uhci", "class=0x%02x 0x%02x interface 0x%02x base=0x%x framelist=%p\n",
+		class, subclass, interf, u->iobase, u->framelist);
+
   /* The framelist pointer of UHCI is only 32 bits, make sure this
      code works on on 64 bits architectures.  */
 #if GRUB_CPU_SIZEOF_VOID_P == 8
@@ -221,6 +222,9 @@ grub_uhci_pci_iter (grub_pci_device_t dev,
     }
 #endif
 
+  grub_dprintf ("uhci", "QH=%p, TD=%p\n",
+		u->qh, u->td);
+
   /* Link all Transfer Descriptors in a list of available Transfer
      Descriptors.  */
   for (i = 0; i < 256; i++)
@@ -328,13 +332,20 @@ grub_free_td (struct grub_uhci *u, grub_uhci_td_t td)
 }
 
 static void
-grub_free_queue (struct grub_uhci *u, grub_uhci_td_t td)
+grub_free_queue (struct grub_uhci *u, grub_uhci_td_t td,
+                 grub_usb_transfer_t transfer)
 {
-  /* Free the TDs in this queue.  */
+  int i; /* Index of TD in transfer */
-  while (td)
+  
+  /* Free the TDs in this queue and set last_trans.  */
+  for (i=0; td; i++)
     {
       grub_uhci_td_t tdprev;
 
+      /* Check state of TD and possibly set last_trans */
+      if (transfer && (td->linkptr & 1))
+        transfer->last_trans = i;
+      
       /* Unlink the queue.  */
       tdprev = td;
       td = (grub_uhci_td_t) td->linkptr2;
@@ -380,7 +391,7 @@ static grub_uhci_td_t
 grub_uhci_transaction (struct grub_uhci *u, unsigned int endp,
 		       grub_transfer_type_t type, unsigned int addr,
 		       unsigned int toggle, grub_size_t size,
-		       char *data)
+		       grub_uint32_t data)
 {
   grub_uhci_td_t td;
   static const unsigned int tf[] = { 0x69, 0xE1, 0x2D };
@@ -398,7 +409,7 @@ grub_uhci_transaction (struct grub_uhci *u, unsigned int endp,
     }
 
   grub_dprintf ("uhci",
-		"transaction: endp=%d, type=%d, addr=%d, toggle=%d, size=%d data=%p td=%p\n",
+		"transaction: endp=%d, type=%d, addr=%d, toggle=%d, size=%d data=0x%x td=%p\n",
 		endp, type, addr, toggle, size, data, td);
 
   /* Don't point to any TD, just terminate.  */
@@ -418,7 +429,7 @@ grub_uhci_transaction (struct grub_uhci *u, unsigned int endp,
   td->token = ((size << 21) | (toggle << 19) | (endp << 15)
 	       | (addr << 8) | tf[type]);
 
-  td->buffer = (grub_uint32_t) data;
+  td->buffer = data;
 
   return td;
 }
@@ -441,6 +452,8 @@ grub_uhci_transfer (grub_usb_controller_t dev,
   if (! qh)
     return grub_errno;
 
+  grub_dprintf ("uhci", "transfer, iobase:%08x\n", u->iobase);
+  
   for (i = 0; i < transfer->transcnt; i++)
     {
       grub_usb_transaction_t tr = &transfer->transactions[i];
@@ -455,7 +468,7 @@ grub_uhci_transfer (grub_usb_controller_t dev,
 	  td_prev->linkptr = 1;
 
 	  if (td_first)
-	    grub_free_queue (u, td_first);
+	    grub_free_queue (u, td_first, NULL);
 
 	  return GRUB_USB_ERR_INTERNAL;
 	}
@@ -548,12 +561,13 @@ grub_uhci_transfer (grub_usb_controller_t dev,
 
  fail:
 
+  if (err != GRUB_USB_ERR_NONE)
     grub_dprintf ("uhci", "transaction failed\n");
 
   /* Place the QH back in the free list and deallocate the associated
      TDs.  */
   qh->elinkptr = 1;
-  grub_free_queue (u, td_first);
+  grub_free_queue (u, td_first, transfer);
 
   return err;
 }
@@ -583,6 +597,8 @@ grub_uhci_portstatus (grub_usb_controller_t dev,
   unsigned int status;
   grub_uint64_t endtime;
 
+  grub_dprintf ("uhci", "portstatus, iobase:%08x\n", u->iobase);
+  
   grub_dprintf ("uhci", "enable=%d port=%d\n", enable, port);
 
   if (port == 0)
@@ -600,7 +616,7 @@ grub_uhci_portstatus (grub_usb_controller_t dev,
   grub_uhci_writereg16 (u, reg, enable << 9);
 
   /* Wait for the reset to complete.  XXX: How long exactly?  */
-  grub_millisleep (10);
+  grub_millisleep (50); /* For root hub should be nominaly 50ms */
   status = grub_uhci_readreg16 (u, reg);
   grub_uhci_writereg16 (u, reg, status & ~(1 << 9));
   grub_dprintf ("uhci", "reset completed\n");
@@ -631,6 +647,8 @@ grub_uhci_detect_dev (grub_usb_controller_t dev, int port)
   int reg;
   unsigned int status;
 
+  grub_dprintf ("uhci", "detect_dev, iobase:%08x\n", u->iobase);
+  
   if (port == 0)
     reg = GRUB_UHCI_REG_PORTSC1;
   else if (port == 1)

bus/usb/usb.c

@@ -105,10 +105,7 @@ grub_usb_clear_halt (grub_usb_device_t dev, int endpoint)
 grub_usb_err_t
 grub_usb_set_configuration (grub_usb_device_t dev, int configuration)
 {
-  int i;
+  grub_memset (dev->toggle, 0, sizeof (dev->toggle));
-
-  for (i = 0; i < 16; i++)
-    dev->toggle[i] = 0;
 
   return grub_usb_control_msg (dev, (GRUB_USB_REQTYPE_OUT
 				     | GRUB_USB_REQTYPE_STANDARD
@@ -163,6 +160,16 @@ grub_usb_device_initialize (grub_usb_device_t dev)
   grub_usb_err_t err;
   int i;
 
+  /* First we have to read first 8 bytes only and determine
+   * max. size of packet */
+  dev->descdev.maxsize0 = 0; /* invalidating, for safety only, can be removed if it is sure it is zero here */
+  err = grub_usb_get_descriptor (dev, GRUB_USB_DESCRIPTOR_DEVICE,
+				 0, 8, (char *) &dev->descdev);
+  if (err)
+    return err;
+
+  /* Now we have valid value in dev->descdev.maxsize0,
+   * so we can read whole device descriptor */
   err = grub_usb_get_descriptor (dev, GRUB_USB_DESCRIPTOR_DEVICE,
 				 0, sizeof (struct grub_usb_desc_device),
 				 (char *) &dev->descdev);

bus/usb/usbtrans.c

@@ -18,6 +18,7 @@
  */
 
 #include <grub/dl.h>
+#include <grub/pci.h>
 #include <grub/mm.h>
 #include <grub/misc.h>
 #include <grub/usb.h>
@@ -29,30 +30,59 @@ grub_usb_control_msg (grub_usb_device_t dev,
 		      grub_uint8_t request,
 		      grub_uint16_t value,
 		      grub_uint16_t index,
-		      grub_size_t size, char *data)
+		      grub_size_t size0, char *data_in)
 {
   int i;
   grub_usb_transfer_t transfer;
   int datablocks;
-  struct grub_usb_packet_setup setupdata;
+  volatile struct grub_usb_packet_setup *setupdata;
+  grub_uint32_t setupdata_addr;
   grub_usb_err_t err;
   unsigned int max;
+  struct grub_pci_dma_chunk *data_chunk, *setupdata_chunk;
+  volatile char *data;
+  grub_uint32_t data_addr;
+  grub_size_t size = size0;
+
+  /* FIXME: avoid allocation any kind of buffer in a first place.  */
+  data_chunk = grub_memalign_dma32 (128, size ? : 16);
+  if (!data_chunk)
+    return GRUB_USB_ERR_INTERNAL;
+  data = grub_dma_get_virt (data_chunk);
+  data_addr = grub_dma_get_phys (data_chunk);
+  grub_memcpy ((char *) data, data_in, size);
 
   grub_dprintf ("usb",
 		"control: reqtype=0x%02x req=0x%02x val=0x%02x idx=0x%02x size=%d\n",
 		reqtype, request,  value, index, size);
 
   /* Create a transfer.  */
-  transfer = grub_malloc (sizeof (struct grub_usb_transfer));
+  transfer = grub_malloc (sizeof (*transfer));
   if (! transfer)
+    {
+      grub_dma_free (data_chunk);
       return grub_errno;
+    }
+
+  setupdata_chunk = grub_memalign_dma32 (32, sizeof (*setupdata));
+  if (! setupdata_chunk)
+    {
+      grub_free (transfer);
+      grub_dma_free (data_chunk);
+      return grub_errno;
+    }
+
+  setupdata = grub_dma_get_virt (setupdata_chunk);
+  setupdata_addr = grub_dma_get_phys (setupdata_chunk);
 
   /* Determine the maximum packet size.  */
-  if (dev->initialized)
+  if (dev->descdev.maxsize0)
     max = dev->descdev.maxsize0;
   else
     max = 64;
 
+  grub_dprintf ("usb", "transfer = %p, dev = %p\n", transfer, dev);
+
   datablocks = (size + max - 1) / max;
 
   /* XXX: Discriminate between different types of control
@@ -71,18 +101,20 @@ grub_usb_control_msg (grub_usb_device_t dev,
   if (! transfer->transactions)
     {
       grub_free (transfer);
+      grub_dma_free (setupdata_chunk);
+      grub_dma_free (data_chunk);
       return grub_errno;
     }
 
   /* Build a Setup packet.  XXX: Endianness.  */
-  setupdata.reqtype = reqtype;
+  setupdata->reqtype = reqtype;
-  setupdata.request = request;
+  setupdata->request = request;
-  setupdata.value = value;
+  setupdata->value = value;
-  setupdata.index = index;
+  setupdata->index = index;
-  setupdata.length = size;
+  setupdata->length = size;
-  transfer->transactions[0].size = sizeof (setupdata);
+  transfer->transactions[0].size = sizeof (*setupdata);
   transfer->transactions[0].pid = GRUB_USB_TRANSFER_TYPE_SETUP;
-  transfer->transactions[0].data = (char *) &setupdata;
+  transfer->transactions[0].data = setupdata_addr;
   transfer->transactions[0].toggle = 0;
 
   /* Now the data...  XXX: Is this the right way to transfer control
@@ -99,14 +131,14 @@ grub_usb_control_msg (grub_usb_device_t dev,
 	tr->pid = GRUB_USB_TRANSFER_TYPE_IN;
       else
 	tr->pid = GRUB_USB_TRANSFER_TYPE_OUT;
-      tr->data = &data[i * max];
+      tr->data = data_addr + i * max;
       size -= max;
     }
 
   /* End with an empty OUT transaction.  */
   transfer->transactions[datablocks + 1].size = 0;
-  transfer->transactions[datablocks + 1].data = NULL;
+  transfer->transactions[datablocks + 1].data = 0;
-  if (reqtype & 128)
+  if ((reqtype & 128) && datablocks)
     transfer->transactions[datablocks + 1].pid = GRUB_USB_TRANSFER_TYPE_OUT;
   else
     transfer->transactions[datablocks + 1].pid = GRUB_USB_TRANSFER_TYPE_IN;
@@ -116,14 +148,19 @@ grub_usb_control_msg (grub_usb_device_t dev,
   err = dev->controller.dev->transfer (&dev->controller, transfer);
 
   grub_free (transfer->transactions);
+  
   grub_free (transfer);
+  grub_dma_free (data_chunk);
+  grub_dma_free (setupdata_chunk);
+
+  grub_memcpy (data_in, (char *) data, size0);
 
   return err;
 }
 
 static grub_usb_err_t
 grub_usb_bulk_readwrite (grub_usb_device_t dev,
-			 int endpoint, grub_size_t size, char *data,
+			 int endpoint, grub_size_t size0, char *data_in,
 			 grub_transfer_type_t type)
 {
   int i;
@@ -132,6 +169,19 @@ grub_usb_bulk_readwrite (grub_usb_device_t dev,
   unsigned int max;
   grub_usb_err_t err;
   int toggle = dev->toggle[endpoint];
+  volatile char *data;
+  grub_uint32_t data_addr;
+  struct grub_pci_dma_chunk *data_chunk;
+  grub_size_t size = size0;
+
+  /* FIXME: avoid allocation any kind of buffer in a first place.  */
+  data_chunk = grub_memalign_dma32 (128, size);
+  if (!data_chunk)
+    return GRUB_USB_ERR_INTERNAL;
+  data = grub_dma_get_virt (data_chunk);
+  data_addr = grub_dma_get_phys (data_chunk);
+  if (type == GRUB_USB_TRANSFER_TYPE_OUT)
+    grub_memcpy ((char *) data, data_in, size);
 
   /* Use the maximum packet size given in the endpoint descriptor.  */
   if (dev->initialized)
@@ -150,16 +200,20 @@ grub_usb_bulk_readwrite (grub_usb_device_t dev,
   /* Create a transfer.  */
   transfer = grub_malloc (sizeof (struct grub_usb_transfer));
   if (! transfer)
+    {
+      grub_dma_free (data_chunk);
       return grub_errno;
+    }
 
   datablocks = ((size + max - 1) / max);
   transfer->transcnt = datablocks;
   transfer->size = size - 1;
-  transfer->endpoint = endpoint;
+  transfer->endpoint = endpoint & 15;
   transfer->devaddr = dev->addr;
   transfer->type = GRUB_USB_TRANSACTION_TYPE_BULK;
   transfer->max = max;
   transfer->dev = dev;
+  transfer->last_trans = -1; /* Reset index of last processed transaction (TD) */
 
   /* Allocate an array of transfer data structures.  */
   transfer->transactions = grub_malloc (transfer->transcnt
@@ -167,6 +221,7 @@ grub_usb_bulk_readwrite (grub_usb_device_t dev,
   if (! transfer->transactions)
     {
       grub_free (transfer);
+      grub_dma_free (data_chunk);
       return grub_errno;
     }
 
@@ -181,16 +236,27 @@ grub_usb_bulk_readwrite (grub_usb_device_t dev,
       tr->toggle = toggle;
       toggle = toggle ? 0 : 1;
       tr->pid = type;
-      tr->data = &data[i * max];
+      tr->data = data_addr + i * max;
       size -= tr->size;
     }
 
   err = dev->controller.dev->transfer (&dev->controller, transfer);
+  /* We must remember proper toggle value even if some transactions
+   * were not processed - correct value should be inversion of last
+   * processed transaction (TD). */
+  if (transfer->last_trans >= 0)
+    toggle = transfer->transactions[transfer->last_trans].toggle ? 0 : 1;
+  else
+    toggle = dev->toggle[endpoint]; /* Nothing done, take original */
   grub_dprintf ("usb", "toggle=%d\n", toggle);
   dev->toggle[endpoint] = toggle;
 
   grub_free (transfer->transactions);
   grub_free (transfer);
+  grub_dma_free (data_chunk);
+
+  if (type == GRUB_USB_TRANSFER_TYPE_IN)
+    grub_memcpy (data_in, (char *) data, size0);
 
   return err;
 }

commands/gptsync.c

@@ -138,8 +138,8 @@ grub_cmd_gptsync (grub_command_t cmd __attribute__ ((unused)),
 	{
 	  grub_device_close (dev);
 	  return grub_error (GRUB_ERR_OUT_OF_RANGE,
-			     "only partitions resding in the first 2TB "
+			     "only partitions residing in the first 2TB "
-			     "can be presen in hybrid MBR");
+			     "can be present in hybrid MBR");
 	}
 
 
@@ -243,8 +243,8 @@ GRUB_MOD_INIT(gptsync)
   cmd = grub_register_command ("gptsync", grub_cmd_gptsync,
 			       N_("DEVICE [PARTITION[+/-[TYPE]]] ..."),
 			       N_("Fill hybrid MBR of GPT drive DEVICE. "
-			       "specified partitions will be a part "
+			       "Specified partitions will be a part "
-			       "of hybrid mbr. Up to 3 partitions are "
+			       "of hybrid MBR. Up to 3 partitions are "
 			       "allowed. TYPE is an MBR type. "
 			       "+ means that partition is active. "
 			       "Only one partition can be active."));

commands/i386/cmostest.c

@@ -0,0 +1,59 @@
+/*
+ *  GRUB  --  GRand Unified Bootloader
+ *  Copyright (C) 2009  Free Software Foundation, Inc.
+ *
+ *  GRUB is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation, either version 3 of the License, or
+ *  (at your option) any later version.
+ *
+ *  GRUB is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with GRUB.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <grub/dl.h>
+#include <grub/command.h>
+#include <grub/misc.h>
+#include <grub/cmos.h>
+
+static grub_err_t
+grub_cmd_cmostest (struct grub_command *cmd __attribute__ ((unused)),
+		   int argc, char *argv[])
+{
+  int byte, bit;
+  char *rest;
+
+  if (argc != 1)
+    return grub_error (GRUB_ERR_BAD_ARGUMENT, "Address required.");
+
+  byte = grub_strtoul (argv[0], &rest, 0);
+  if (*rest != ':')
+    return grub_error (GRUB_ERR_BAD_ARGUMENT, "Address required.");
+
+  bit = grub_strtoul (rest + 1, 0, 0);
+
+  if (grub_cmos_read (byte) & (1 << bit))
+    return GRUB_ERR_NONE;
+
+  return grub_error (GRUB_ERR_TEST_FAILURE, "false");
+}
+
+static grub_command_t cmd;
+
+
+GRUB_MOD_INIT(cmostest)
+{
+  cmd = grub_register_command ("cmostest", grub_cmd_cmostest,
+			       "cmostest BYTE:BIT",
+			       "Test bit at BYTE:BIT in CMOS.");
+}
+
+GRUB_MOD_FINI(cmostest)
+{
+  grub_unregister_command (cmd);
+}

commands/setpci.c

@@ -96,7 +96,7 @@ grub_setpci_iter (grub_pci_device_t dev, grub_pci_id_t pciid)
   if (check_device && grub_pci_get_device (dev) != device)
     return 0;
 
-  if (check_function && grub_pci_get_function (dev) != device)
+  if (check_function && grub_pci_get_function (dev) != function)
     return 0;
 
   addr = grub_pci_make_address (dev, regaddr);

commands/usbtest.c

@@ -83,15 +83,24 @@ grub_usb_get_string (grub_usb_device_t dev, grub_uint8_t index, int langid,
 			      0x06, (3 << 8) | index,
 			      langid, descstr.length, (char *) descstrp);
 
-  *string = grub_malloc (descstr.length / 2);
+  if (descstrp->length == 0)
+    {
+      grub_free (descstrp);
+      *string = grub_strdup ("");
+      if (! *string)
+	return GRUB_USB_ERR_INTERNAL;
+      return GRUB_USB_ERR_NONE;
+    }
+
+  *string = grub_malloc (descstr.length * 2 + 1);
   if (! *string)
     {
       grub_free (descstrp);
       return GRUB_USB_ERR_INTERNAL;
     }
 
-  grub_utf16_to_utf8 ((grub_uint8_t *) *string, descstrp->str, descstrp->length / 2 - 1);
+  *grub_utf16_to_utf8 ((grub_uint8_t *) *string, descstrp->str,
-  (*string)[descstr.length / 2 - 1] = '\0';
+		       descstrp->length / 2 - 1) = 0;
   grub_free (descstrp);
 
   return GRUB_USB_ERR_NONE;

conf/any-emu.rmk

@@ -1,7 +1,5 @@
 # -*- makefile -*-
 
-COMMON_CFLAGS += -nostdinc -isystem $(shell $(TARGET_CC) -print-file-name=include)
-
 kernel_img_RELOCATABLE = yes
 pkglib_PROGRAMS = kernel.img
 kernel_img_SOURCES = kern/device.c kern/disk.c kern/dl.c kern/env.c	\
@@ -22,14 +20,14 @@ TARGET_NO_STRIP = yes
 
 ifneq ($(TARGET_NO_MODULES), yes)
 kernel_img_SOURCES += symlist.c kern/$(target_cpu)/dl.c
+else
+kernel_img_SOURCES += grub_emu_init.c
+endif
 ifneq ($(target_cpu), i386)
 ifneq ($(target_cpu), x86_64)
 kernel_img_SOURCES += kern/$(target_cpu)/cache.S
 endif
 endif
-else
-kernel_img_SOURCES += grub_emu_init.c
-endif
 
 # For halt.mod.
 pkglib_MODULES += halt.mod

conf/i386-coreboot.rmk

@@ -68,5 +68,11 @@ datetime_mod_SOURCES = lib/cmos_datetime.c
 datetime_mod_CFLAGS = $(COMMON_CFLAGS)
 datetime_mod_LDFLAGS = $(COMMON_LDFLAGS)
 
+# For cmostest.mod
+pkglib_MODULES += cmostest.mod
+cmostest_mod_SOURCES = commands/i386/cmostest.c
+cmostest_mod_CFLAGS = $(COMMON_CFLAGS)
+cmostest_mod_LDFLAGS = $(COMMON_LDFLAGS)
+
 include $(srcdir)/conf/i386.mk
 include $(srcdir)/conf/common.mk

conf/i386-pc.rmk

@@ -244,6 +244,12 @@ hdparm_mod_SOURCES = commands/hdparm.c lib/hexdump.c
 hdparm_mod_CFLAGS = $(COMMON_CFLAGS)
 hdparm_mod_LDFLAGS = $(COMMON_LDFLAGS)
 
+# For cmostest.mod
+pkglib_MODULES += cmostest.mod
+cmostest_mod_SOURCES = commands/i386/cmostest.c
+cmostest_mod_CFLAGS = $(COMMON_CFLAGS)
+cmostest_mod_LDFLAGS = $(COMMON_LDFLAGS)
+
 ifeq ($(enable_efiemu), yes)
 
 efiemu32.o: efiemu/runtime/efiemu.c $(TARGET_OBJ2ELF)

conf/i386.rmk

@@ -56,6 +56,12 @@ pci_mod_SOURCES = bus/pci.c
 pci_mod_CFLAGS = $(COMMON_CFLAGS)
 pci_mod_LDFLAGS = $(COMMON_LDFLAGS)
 
+# For cs5536.mod
+pkglib_MODULES += cs5536.mod
+cs5536_mod_SOURCES = bus/cs5536.c
+cs5536_mod_CFLAGS = $(COMMON_CFLAGS)
+cs5536_mod_LDFLAGS = $(COMMON_LDFLAGS)
+
 # For lspci.mod
 pkglib_MODULES += lspci.mod
 lspci_mod_SOURCES = commands/lspci.c

conf/mips-yeeloong.rmk

@@ -4,7 +4,8 @@ target_machine=yeeloong
 COMMON_CFLAGS += -march=mips3
 COMMON_ASFLAGS += -march=mips3
 
-kernel_img_HEADERS += pci.h bitmap.h video.h gfxterm.h font.h bitmap_scale.h bufio.h
+kernel_img_HEADERS += pci.h bitmap.h video.h gfxterm.h font.h \
+		      bitmap_scale.h bufio.h cs5536.h machine/pci.h
 
 include $(srcdir)/conf/mips.mk
 
@@ -26,6 +27,7 @@ kernel_img_SOURCES = kern/$(target_cpu)/startup.S \
 	video/fb/fbfill.c video/fb/fbutil.c video/bitmap.c \
 	video/bitmap_scale.c video/sm712.c bus/pci.c bus/bonito.c \
 	term/gfxterm.c commands/extcmd.c lib/arg.c \
+	bus/cs5536.c \
 	symlist.c
 kernel_img_CFLAGS = $(COMMON_CFLAGS) -DUSE_ASCII_FAILBACK
 kernel_img_ASFLAGS = $(COMMON_ASFLAGS)
@@ -69,5 +71,35 @@ linux_mod_CFLAGS = $(COMMON_CFLAGS)
 linux_mod_ASFLAGS = $(COMMON_ASFLAGS)
 linux_mod_LDFLAGS = $(COMMON_LDFLAGS)
 
+# For usb.mod
+pkglib_MODULES += usb.mod
+usb_mod_SOURCES = bus/usb/usb.c bus/usb/usbtrans.c bus/usb/usbhub.c
+usb_mod_CFLAGS = $(COMMON_CFLAGS)
+usb_mod_LDFLAGS = $(COMMON_LDFLAGS)
+
+# For usbtest.mod
+pkglib_MODULES += usbtest.mod
+usbtest_mod_SOURCES = commands/usbtest.c
+usbtest_mod_CFLAGS = $(COMMON_CFLAGS)
+usbtest_mod_LDFLAGS = $(COMMON_LDFLAGS)
+
+# For ohci.mod
+pkglib_MODULES += ohci.mod
+ohci_mod_SOURCES = bus/usb/ohci.c
+ohci_mod_CFLAGS = $(COMMON_CFLAGS)
+ohci_mod_LDFLAGS = $(COMMON_LDFLAGS)
+
+# For usbms.mod
+pkglib_MODULES += usbms.mod
+usbms_mod_SOURCES = disk/usbms.c
+usbms_mod_CFLAGS = $(COMMON_CFLAGS)
+usbms_mod_LDFLAGS = $(COMMON_LDFLAGS)
+
+# For usb_keyboard.mod
+pkglib_MODULES += usb_keyboard.mod
+usb_keyboard_mod_SOURCES = term/usb_keyboard.c
+usb_keyboard_mod_CFLAGS = $(COMMON_CFLAGS)
+usb_keyboard_mod_LDFLAGS = $(COMMON_LDFLAGS)
+
 sbin_SCRIPTS += grub-install
 grub_install_SOURCES = util/grub-install.in

configure.ac

@@ -179,11 +179,13 @@ if test "x$YACC" = x; then
   AC_MSG_ERROR([bison is not found])
 fi
 
-for file in /usr/src/unifont.bdf /usr/share/fonts/X11/misc/unifont.pcf.gz /usr/share/fonts/unifont/unifont.pcf.gz; do
+for ext in pcf pcf.gz bdf bdf.gz ttf ttf.gz; do
-  if test -e $file ; then
+  for dir in . /usr/src /usr/share/fonts/X11/misc /usr/share/fonts/unifont; do
-    AC_SUBST([FONT_SOURCE], [$file])
+    if test -f "$dir/unifont.$ext"; then
-    break
+      AC_SUBST([FONT_SOURCE], [$dir/unifont.$ext])
+      break 2
     fi
+  done
 done
 
 AC_PROG_INSTALL
@@ -192,7 +194,7 @@ AC_PROG_LEX
 AC_PROG_MAKE_SET
 AC_PROG_MKDIR_P
 
-if test "x$LEX" = x; then
+if test "x$LEX" = "x:"; then
   AC_MSG_ERROR([flex is not found])
 else
   version=`$LEX --version | $AWK '{ split($NF,x,"."); print x[[1]]*10000+x[[2]]*100+x[[3]]; }'`

disk/i386/pc/biosdisk.c

@@ -120,7 +120,8 @@ grub_biosdisk_open (const char *name, grub_disk_t disk)
     {
       data->flags = GRUB_BIOSDISK_FLAG_LBA | GRUB_BIOSDISK_FLAG_CDROM;
       data->sectors = 32;
-      total_sectors = GRUB_ULONG_MAX;  /* TODO: get the correct size.  */
+      /* TODO: get the correct size.  */
+      total_sectors = GRUB_DISK_SIZE_UNKNOWN;
     }
   else if (drive & 0x80)
     {

disk/ieee1275/ofdisk.c

@@ -204,7 +204,7 @@ grub_ofdisk_open (const char *name, grub_disk_t disk)
   /* XXX: There is no property to read the number of blocks.  There
      should be a property `#blocks', but it is not there.  Perhaps it
      is possible to use seek for this.  */
-  disk->total_sectors = 0xFFFFFFFFUL;
+  disk->total_sectors = GRUB_DISK_SIZE_UNKNOWN;
 
   disk->id = (unsigned long) op;
 

disk/scsi.c

@@ -25,6 +25,7 @@
 #include <grub/types.h>
 #include <grub/scsi.h>
 #include <grub/scsicmd.h>
+#include <grub/time.h>
 
 
 static grub_scsi_dev_t grub_scsi_dev_list;
@@ -50,7 +51,62 @@ grub_scsi_dev_unregister (grub_scsi_dev_t dev)
 }
 
 
-/* Determine the the device is removable and the type of the device
+/* Check result of previous operation.  */
+static grub_err_t
+grub_scsi_request_sense (grub_scsi_t scsi)
+{
+  struct grub_scsi_request_sense rs;
+  struct grub_scsi_request_sense_data rsd;
+  grub_err_t err;
+
+  rs.opcode = grub_scsi_cmd_request_sense;
+  rs.lun = scsi->lun << GRUB_SCSI_LUN_SHIFT;
+  rs.reserved1 = 0;
+  rs.reserved2 = 0;
+  rs.alloc_length = 0x12; /* XXX: Hardcoded for now */
+  rs.control = 0;
+  grub_memset (rs.pad, 0, sizeof(rs.pad));
+
+  err = scsi->dev->read (scsi, sizeof (rs), (char *) &rs,
+			 sizeof (rsd), (char *) &rsd);
+  if (err)
+    return err;
+
+  return GRUB_ERR_NONE;
+}
+/* Self commenting... */
+static grub_err_t
+grub_scsi_test_unit_ready (grub_scsi_t scsi)
+{
+  struct grub_scsi_test_unit_ready tur;
+  grub_err_t err;
+  grub_err_t err_sense;
+  
+  tur.opcode = grub_scsi_cmd_test_unit_ready;
+  tur.lun = scsi->lun << GRUB_SCSI_LUN_SHIFT;
+  tur.reserved1 = 0;
+  tur.reserved2 = 0;
+  tur.reserved3 = 0;
+  tur.control = 0;
+  grub_memset (tur.pad, 0, sizeof(tur.pad));
+
+  err = scsi->dev->read (scsi, sizeof (tur), (char *) &tur,
+			 0, NULL);
+
+  /* Each SCSI command should be followed by Request Sense.
+     If not so, many devices STALLs or definitely freezes. */
+  err_sense = grub_scsi_request_sense (scsi);
+  if (err_sense != GRUB_ERR_NONE)
+  	grub_errno = err;
+  /* err_sense is ignored for now and Request Sense Data also... */
+  
+  if (err)
+    return err;
+
+  return GRUB_ERR_NONE;
+}
+
+/* Determine if the device is removable and the type of the device
    SCSI.  */
 static grub_err_t
 grub_scsi_inquiry (grub_scsi_t scsi)
@@ -58,15 +114,26 @@ grub_scsi_inquiry (grub_scsi_t scsi)
   struct grub_scsi_inquiry iq;
   struct grub_scsi_inquiry_data iqd;
   grub_err_t err;
+  grub_err_t err_sense;
 
   iq.opcode = grub_scsi_cmd_inquiry;
   iq.lun = scsi->lun << GRUB_SCSI_LUN_SHIFT;
+  iq.page = 0;
   iq.reserved = 0;
   iq.alloc_length = 0x24; /* XXX: Hardcoded for now */
-  iq.reserved2 = 0;
+  iq.control = 0;
+  grub_memset (iq.pad, 0, sizeof(iq.pad));
 
   err = scsi->dev->read (scsi, sizeof (iq), (char *) &iq,
 			 sizeof (iqd), (char *) &iqd);
+
+  /* Each SCSI command should be followed by Request Sense.
+     If not so, many devices STALLs or definitely freezes. */
+  err_sense = grub_scsi_request_sense (scsi);
+  if (err_sense != GRUB_ERR_NONE)
+  	grub_errno = err;
+  /* err_sense is ignored for now and Request Sense Data also... */
+
   if (err)
     return err;
 
@@ -83,13 +150,27 @@ grub_scsi_read_capacity (grub_scsi_t scsi)
   struct grub_scsi_read_capacity rc;
   struct grub_scsi_read_capacity_data rcd;
   grub_err_t err;
+  grub_err_t err_sense;
 
   rc.opcode = grub_scsi_cmd_read_capacity;
   rc.lun = scsi->lun << GRUB_SCSI_LUN_SHIFT;
-  grub_memset (rc.reserved, 0, sizeof (rc.reserved));
+  rc.logical_block_addr = 0;
+  rc.reserved1 = 0;
+  rc.reserved2 = 0;
+  rc.PMI = 0;
+  rc.control = 0;
+  rc.pad = 0;
 	
   err = scsi->dev->read (scsi, sizeof (rc), (char *) &rc,
 			 sizeof (rcd), (char *) &rcd);
+
+  /* Each SCSI command should be followed by Request Sense.
+     If not so, many devices STALLs or definitely freezes. */
+  err_sense = grub_scsi_request_sense (scsi);
+  if (err_sense != GRUB_ERR_NONE)
+  	grub_errno = err;
+/* err_sense is ignored for now and Request Sense Data also... */
+
   if (err)
     return err;
 
@@ -107,6 +188,8 @@ grub_scsi_read10 (grub_disk_t disk, grub_disk_addr_t sector,
 {
   grub_scsi_t scsi;
   struct grub_scsi_read10 rd;
+  grub_err_t err;
+  grub_err_t err_sense;
 
   scsi = disk->data;
 
@@ -118,7 +201,16 @@ grub_scsi_read10 (grub_disk_t disk, grub_disk_addr_t sector,
   rd.reserved2 = 0;
   rd.pad = 0;
 
-  return scsi->dev->read (scsi, sizeof (rd), (char *) &rd, size * scsi->blocksize, buf);
+  err = scsi->dev->read (scsi, sizeof (rd), (char *) &rd, size * scsi->blocksize, buf);
+
+  /* Each SCSI command should be followed by Request Sense.
+     If not so, many devices STALLs or definitely freezes. */
+  err_sense = grub_scsi_request_sense (scsi);
+  if (err_sense != GRUB_ERR_NONE)
+  	grub_errno = err;
+  /* err_sense is ignored for now and Request Sense Data also... */
+
+  return err;
 }
 
 /* Send a SCSI request for DISK: read SIZE sectors starting with
@@ -129,6 +221,8 @@ grub_scsi_read12 (grub_disk_t disk, grub_disk_addr_t sector,
 {
   grub_scsi_t scsi;
   struct grub_scsi_read12 rd;
+  grub_err_t err;
+  grub_err_t err_sense;
 
   scsi = disk->data;
 
@@ -139,7 +233,16 @@ grub_scsi_read12 (grub_disk_t disk, grub_disk_addr_t sector,
   rd.reserved = 0;
   rd.control = 0;
 
-  return scsi->dev->read (scsi, sizeof (rd), (char *) &rd, size * scsi->blocksize, buf);
+  err = scsi->dev->read (scsi, sizeof (rd), (char *) &rd, size * scsi->blocksize, buf);
+
+  /* Each SCSI command should be followed by Request Sense.
+     If not so, many devices STALLs or definitely freezes. */
+  err_sense = grub_scsi_request_sense (scsi);
+  if (err_sense != GRUB_ERR_NONE)
+  	grub_errno = err;
+  /* err_sense is ignored for now and Request Sense Data also... */
+
+  return err;
 }
 
 #if 0
@@ -151,6 +254,8 @@ grub_scsi_write10 (grub_disk_t disk, grub_disk_addr_t sector,
 {
   grub_scsi_t scsi;
   struct grub_scsi_write10 wr;
+  grub_err_t err;
+  grub_err_t err_sense;
 
   scsi = disk->data;
 
@@ -162,7 +267,16 @@ grub_scsi_write10 (grub_disk_t disk, grub_disk_addr_t sector,
   wr.reserved2 = 0;
   wr.pad = 0;
 
-  return scsi->dev->write (scsi, sizeof (wr), (char *) &wr, size * scsi->blocksize, buf);
+  err = scsi->dev->write (scsi, sizeof (wr), (char *) &wr, size * scsi->blocksize, buf);
+
+  /* Each SCSI command should be followed by Request Sense.
+     If not so, many devices STALLs or definitely freezes. */
+  err_sense = grub_scsi_request_sense (scsi);
+  if (err_sense != GRUB_ERR_NONE)
+  	grub_errno = err;
+  /* err_sense is ignored for now and Request Sense Data also... */
+
+  return err;
 }
 
 /* Send a SCSI request for DISK: write the data stored in BUF to SIZE
@@ -172,7 +286,9 @@ grub_scsi_write12 (grub_disk_t disk, grub_disk_addr_t sector,
 		   grub_size_t size, char *buf)
 {
   grub_scsi_t scsi;
-  struct grub_scsi_write10 wr;
+  struct grub_scsi_write12 wr;
+  grub_err_t err;
+  grub_err_t err_sense;
 
   scsi = disk->data;
 
@@ -181,9 +297,18 @@ grub_scsi_write12 (grub_disk_t disk, grub_disk_addr_t sector,
   wr.lba = grub_cpu_to_be32 (sector);
   wr.size = grub_cpu_to_be32 (size);
   wr.reserved = 0;
-  wr.pad = 0;
+  wr.control = 0;
 
-  return scsi->dev->write (scsi, sizeof (wr), (char *) &wr, size * scsi->blocksize, buf);
+  err = scsi->dev->write (scsi, sizeof (wr), (char *) &wr, size * scsi->blocksize, buf);
+
+  /* Each SCSI command should be followed by Request Sense.
+     If not so, many devices STALLs or definitely freezes. */
+  err_sense = grub_scsi_request_sense (scsi);
+  if (err_sense != GRUB_ERR_NONE)
+  	grub_errno = err;
+  /* err_sense is ignored for now and Request Sense Data also... */
+
+  return err;
 }
 #endif
 
@@ -235,6 +360,7 @@ grub_scsi_open (const char *name, grub_disk_t disk)
   grub_err_t err;
   int len;
   int lun;
+  grub_uint64_t maxtime;
 
   scsi = grub_malloc (sizeof (*scsi));
   if (! scsi)
@@ -292,6 +418,31 @@ grub_scsi_open (const char *name, grub_disk_t disk)
       else
 	disk->has_partitions = 1;
 
+
+      /* According to USB MS tests specification, issue Test Unit Ready
+       * until OK */
+      maxtime = grub_get_time_ms () + 5000; /* It is safer value */
+      do
+        {
+	  /* Timeout is necessary - for example in case when we have
+	   * universal card reader with more LUNs and we have only
+	   * one card inserted (or none), so only one LUN (or none)
+	   * will be ready - and we want not to hang... */
+	  if (grub_get_time_ms () > maxtime)
+            {
+              err = GRUB_ERR_READ_ERROR;
+              grub_free (scsi);
+              grub_dprintf ("scsi", "LUN is not ready - timeout\n");
+              return err;
+            }
+          err = grub_scsi_test_unit_ready (scsi);
+        }
+      while (err == GRUB_ERR_READ_ERROR);
+      /* Reset grub_errno !
+       * It is set to some error code in loop before... */
+      grub_errno = GRUB_ERR_NONE;
+
+      /* Read capacity of media */
       err = grub_scsi_read_capacity (scsi);
       if (err)
 	{
@@ -302,12 +453,14 @@ grub_scsi_open (const char *name, grub_disk_t disk)
 
       /* SCSI blocks can be something else than 512, although GRUB
 	 wants 512 byte blocks.  */
-      disk->total_sectors = ((scsi->size * scsi->blocksize)
+      disk->total_sectors = ((grub_uint64_t)scsi->size
-			     << GRUB_DISK_SECTOR_BITS);
+                             * (grub_uint64_t)scsi->blocksize)
+			    >> GRUB_DISK_SECTOR_BITS;
 
-      grub_dprintf ("scsi", "capacity=%llu, blksize=%d\n",
+      grub_dprintf ("scsi", "blocks=%u, blocksize=%u\n",
-		    (unsigned long long) disk->total_sectors,
+		    scsi->size, scsi->blocksize);
-		    scsi->blocksize);
+      grub_dprintf ("scsi", "Disk total 512 sectors = %llu\n",
+		    (unsigned long long) disk->total_sectors);
 
       return GRUB_ERR_NONE;
     }
@@ -366,6 +519,37 @@ grub_scsi_read (grub_disk_t disk, grub_disk_addr_t sector,
 
   /* XXX: Never reached.  */
   return GRUB_ERR_NONE;
+
+#if 0 /* Workaround - it works - but very slowly, from some reason
+       * unknown to me (specially on OHCI). Do not use it. */
+  /* Split transfer requests to device sector size because */
+  /* some devices are not able to transfer more than 512-1024 bytes */
+  grub_err_t err = GRUB_ERR_NONE;
+
+  for ( ; size; size--)
+    {
+      /* Depending on the type, select a read function.  */
+      switch (scsi->devtype)
+        {
+          case grub_scsi_devtype_direct:
+            err = grub_scsi_read10 (disk, sector, 1, buf);
+            break;
+
+          case grub_scsi_devtype_cdrom:
+            err = grub_scsi_read12 (disk, sector, 1, buf);
+            break;
+
+          default: /* This should not happen */
+            return GRUB_ERR_READ_ERROR;
+        }
+      if (err)
+        return err;
+      sector++;
+      buf += scsi->blocksize;
+    }
+
+  return err;
+#endif
 }
 
 static grub_err_t

disk/usbms.c

@@ -84,7 +84,8 @@ grub_usbms_finddevs (void)
       struct grub_usb_desc_device *descdev = &usbdev->descdev;
       int i;
 
-      if (descdev->class != 0 || descdev->subclass || descdev->protocol != 0)
+      if (descdev->class != 0 || descdev->subclass || descdev->protocol != 0
+	  || descdev->configcnt == 0)
 	return 0;
 
       /* XXX: Just check configuration 0 for now.  */
@@ -93,19 +94,31 @@ grub_usbms_finddevs (void)
 	  struct grub_usbms_dev *usbms;
 	  struct grub_usb_desc_if *interf;
 	  int j;
-	  grub_uint8_t luns;
+	  grub_uint8_t luns = 0;
+
+	  grub_dprintf ("usbms", "alive\n");
 
 	  interf = usbdev->config[0].interf[i].descif;
 
 	  /* If this is not a USB Mass Storage device with a supported
 	     protocol, just skip it.  */
+	  grub_dprintf ("usbms", "iterate: interf=%d, class=%d, subclass=%d, protocol=%d\n",
+	                i, interf->class, interf->subclass, interf->protocol);
+
 	  if (interf->class != GRUB_USB_CLASS_MASS_STORAGE
-	      || interf->subclass != GRUB_USBMS_SUBCLASS_BULK
+	      || ( interf->subclass != GRUB_USBMS_SUBCLASS_BULK &&
+	    /* Experimental support of RBC, MMC-2, UFI, SFF-8070i devices */
+	           interf->subclass != GRUB_USBMS_SUBCLASS_RBC &&
+	           interf->subclass != GRUB_USBMS_SUBCLASS_MMC2 &&
+	           interf->subclass != GRUB_USBMS_SUBCLASS_UFI &&
+	           interf->subclass != GRUB_USBMS_SUBCLASS_SFF8070 )
 	      || interf->protocol != GRUB_USBMS_PROTOCOL_BULK)
 	    {
 	      continue;
 	    }
 
+	  grub_dprintf ("usbms", "alive\n");
+
 	  devcnt++;
 	  usbms = grub_zalloc (sizeof (struct grub_usbms_dev));
 	  if (! usbms)
@@ -114,6 +127,8 @@ grub_usbms_finddevs (void)
 	  usbms->dev = usbdev;
 	  usbms->interface = i;
 
+	  grub_dprintf ("usbms", "alive\n");
+
 	  /* Iterate over all endpoints of this interface, at least a
 	     IN and OUT bulk endpoint are required.  */
 	  for (j = 0; j < interf->endpointcnt; j++)
@@ -125,14 +140,16 @@ grub_usbms_finddevs (void)
 		{
 		  /* Bulk IN endpoint.  */
 		  usbms->in = endp;
-		  grub_usb_clear_halt (usbdev, endp->endp_addr & 128);
+		  /* Clear Halt is not possible yet! */
+		  /* grub_usb_clear_halt (usbdev, endp->endp_addr); */
 		  usbms->in_maxsz = endp->maxpacket;
 		}
 	      else if (!(endp->endp_addr & 128) && (endp->attrib & 3) == 2)
 		{
 		  /* Bulk OUT endpoint.  */
 		  usbms->out = endp;
-		  grub_usb_clear_halt (usbdev, endp->endp_addr & 128);
+		  /* Clear Halt is not possible yet! */
+		  /* grub_usb_clear_halt (usbdev, endp->endp_addr); */
 		  usbms->out_maxsz = endp->maxpacket;
 		}
 	    }
@@ -143,51 +160,63 @@ grub_usbms_finddevs (void)
 	      return 0;
 	    }
 
+	  grub_dprintf ("usbms", "alive\n");
+
+	  /* XXX: Activate the first configuration.  */
+	  grub_usb_set_configuration (usbdev, 1);
+
 	  /* Query the amount of LUNs.  */
 	  err = grub_usb_control_msg (usbdev, 0xA1, 254,
 				      0, i, 1, (char *) &luns);
+		
 	  if (err)
 	    {
 	      /* In case of a stall, clear the stall.  */
 	      if (err == GRUB_USB_ERR_STALL)
 		{
-		  grub_usb_clear_halt (usbdev, usbms->in->endp_addr & 3);
+		  grub_usb_clear_halt (usbdev, usbms->in->endp_addr);
-		  grub_usb_clear_halt (usbdev, usbms->out->endp_addr & 3);
+		  grub_usb_clear_halt (usbdev, usbms->out->endp_addr);
 		}
-
 	      /* Just set the amount of LUNs to one.  */
 	      grub_errno = GRUB_ERR_NONE;
 	      usbms->luns = 1;
 	    }
 	  else
-	    usbms->luns = luns;
+            /* luns = 0 means one LUN with ID 0 present ! */
+            /* We get from device not number of LUNs but highest
+             * LUN number. LUNs are numbered from 0, 
+             * i.e. number of LUNs is luns+1 ! */
+	    usbms->luns = luns + 1;
 
-	  /* XXX: Check the magic values, does this really make
+	  grub_dprintf ("usbms", "alive\n");
-	     sense?  */
-	  grub_usb_control_msg (usbdev, (1 << 6) | 1, 255,
-				0, i, 0, 0);
-
-	  /* XXX: To make Qemu work?  */
-	  if (usbms->luns == 0)
-	    usbms->luns = 1;
 
 	  usbms->next = grub_usbms_dev_list;
 	  grub_usbms_dev_list = usbms;
 
-	  /* XXX: Activate the first configuration.  */
+#if 0 /* All this part should be probably deleted.
-	  grub_usb_set_configuration (usbdev, 1);
+     * This make trouble on some devices if they are not in
-
+     * Phase Error state - and there they should be not in such state...
+     * Bulk only mass storage reset procedure should be used only
+     * on place and in time when it is really necessary. */
+	  /* Reset recovery procedure */
 	  /* Bulk-Only Mass Storage Reset, after the reset commands
 	     will be accepted.  */
 	  grub_usbms_reset (usbdev, i);
+	  grub_usb_clear_halt (usbdev, usbms->in->endp_addr);
+	  grub_usb_clear_halt (usbdev, usbms->out->endp_addr);
+#endif
 
 	  return 0;
 	}
 
+      grub_dprintf ("usbms", "alive\n");
       return 0;
     }
+  grub_dprintf ("usbms", "alive\n");
 
   grub_usb_iterate (usb_iterate);
+  grub_dprintf ("usbms", "alive\n");
+
 }
 
 
@@ -224,7 +253,9 @@ grub_usbms_transfer (struct grub_scsi *scsi, grub_size_t cmdsize, char *cmd,
   struct grub_usbms_csw status;
   static grub_uint32_t tag = 0;
   grub_usb_err_t err = GRUB_USB_ERR_NONE;
+  grub_usb_err_t errCSW = GRUB_USB_ERR_NONE;
   int retrycnt = 3 + 1;
+  grub_size_t i;
 
  retry:
   retrycnt--;
@@ -237,73 +268,102 @@ grub_usbms_transfer (struct grub_scsi *scsi, grub_size_t cmdsize, char *cmd,
   cbw.tag = tag++;
   cbw.transfer_length = grub_cpu_to_le32 (size);
   cbw.flags = (!read_write) << GRUB_USBMS_DIRECTION_BIT;
-  cbw.lun = scsi->lun << GRUB_SCSI_LUN_SHIFT;
+  cbw.lun = scsi->lun; /* In USB MS CBW are LUN bits on another place than in SCSI CDB, both should be set correctly. */
   cbw.length = cmdsize;
   grub_memcpy (cbw.cbwcb, cmd, cmdsize);
   
-  /* Write the request.  */
+  /* Debug print of CBW content. */
-  err = grub_usb_bulk_write (dev->dev, dev->out->endp_addr & 15,
+  grub_dprintf ("usb", "CBW: sign=0x%08x tag=0x%08x len=0x%08x\n",
+  	cbw.signature, cbw.tag, cbw.transfer_length);
+  grub_dprintf ("usb", "CBW: flags=0x%02x lun=0x%02x CB_len=0x%02x\n",
+  	cbw.flags, cbw.lun, cbw.length);
+  grub_dprintf ("usb", "CBW: cmd:\n %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x\n",
+  	cbw.cbwcb[ 0], cbw.cbwcb[ 1], cbw.cbwcb[ 2], cbw.cbwcb[ 3],
+  	cbw.cbwcb[ 4], cbw.cbwcb[ 5], cbw.cbwcb[ 6], cbw.cbwcb[ 7],
+  	cbw.cbwcb[ 8], cbw.cbwcb[ 9], cbw.cbwcb[10], cbw.cbwcb[11],
+  	cbw.cbwcb[12], cbw.cbwcb[13], cbw.cbwcb[14], cbw.cbwcb[15]);
+
+  /* Write the request.
+   * XXX: Error recovery is maybe still not fully correct. */
+  err = grub_usb_bulk_write (dev->dev, dev->out->endp_addr,
 			     sizeof (cbw), (char *) &cbw);
   if (err)
     {
       if (err == GRUB_USB_ERR_STALL)
 	{
 	  grub_usb_clear_halt (dev->dev, dev->out->endp_addr);
-	  goto retry;
+	  goto CheckCSW;
 	}
       return grub_error (GRUB_ERR_IO, "USB Mass Storage request failed");
     }
 
-  /* Read/write the data.  */
+  /* Read/write the data, (maybe) according to specification.  */
-  if (read_write == 0)
+  if (size && (read_write == 0))
     {
-      err = grub_usb_bulk_read (dev->dev, dev->in->endp_addr & 15, size, buf);
+      err = grub_usb_bulk_read (dev->dev, dev->in->endp_addr, size, buf);
       grub_dprintf ("usb", "read: %d %d\n", err, GRUB_USB_ERR_STALL); 
       if (err)
         {
           if (err == GRUB_USB_ERR_STALL)
-	    {
 	    grub_usb_clear_halt (dev->dev, dev->in->endp_addr);
-	      goto retry;
+          goto CheckCSW;
-	    }
-	  return grub_error (GRUB_ERR_READ_ERROR,
-			     "can't read from USB Mass Storage device");
-	}
         }
+      /* Debug print of received data. */
+      grub_dprintf ("usb", "buf:\n");
+      if (size <= 64)
+        for (i=0; i<size; i++)
+          grub_dprintf ("usb", "0x%02x: 0x%02x\n", i, buf[i]);
       else
+          grub_dprintf ("usb", "Too much data for debug print...\n");
+    }
+  else if (size)
     {
-      err = grub_usb_bulk_write (dev->dev, dev->in->endp_addr & 15, size, buf);
+      err = grub_usb_bulk_write (dev->dev, dev->out->endp_addr, size, buf);
       grub_dprintf ("usb", "write: %d %d\n", err, GRUB_USB_ERR_STALL);
+      grub_dprintf ("usb", "buf:\n");
       if (err)
         {
           if (err == GRUB_USB_ERR_STALL)
+	    grub_usb_clear_halt (dev->dev, dev->out->endp_addr);
+          goto CheckCSW;
+        }
+      /* Debug print of sent data. */
+      if (size <= 256)
+        for (i=0; i<size; i++)
+          grub_dprintf ("usb", "0x%02x: 0x%02x\n", i, buf[i]);
+      else
+          grub_dprintf ("usb", "Too much data for debug print...\n");
+    }
+
+  /* Read the status - (maybe) according to specification.  */
+CheckCSW:
+  errCSW = grub_usb_bulk_read (dev->dev, dev->in->endp_addr,
+		    sizeof (status), (char *) &status);
+  if (errCSW)
     {
+      grub_usb_clear_halt (dev->dev, dev->in->endp_addr);
+      errCSW = grub_usb_bulk_read (dev->dev, dev->in->endp_addr,
+			        sizeof (status), (char *) &status);
+      if (errCSW)
+        { /* Bulk-only reset device. */
+          grub_dprintf ("usb", "Bulk-only reset device - errCSW\n");
+          grub_usbms_reset (dev->dev, dev->interface);
+          grub_usb_clear_halt (dev->dev, dev->in->endp_addr);
           grub_usb_clear_halt (dev->dev, dev->out->endp_addr);
 	  goto retry;
         }
-	  return grub_error (GRUB_ERR_WRITE_ERROR,
-			     "can't write to USB Mass Storage device");
-	}
     }
 
-  /* Read the status.  */
+  /* Debug print of CSW content. */
-  err = grub_usb_bulk_read (dev->dev, dev->in->endp_addr & 15,
+  grub_dprintf ("usb", "CSW: sign=0x%08x tag=0x%08x resid=0x%08x\n",
-			    sizeof (status), (char *) &status);
+  	status.signature, status.tag, status.residue);
-  if (err)
+  grub_dprintf ("usb", "CSW: status=0x%02x\n", status.status);
-    {
-      if (err == GRUB_USB_ERR_STALL)
-	{
-	  grub_usb_clear_halt (dev->dev, dev->in->endp_addr);
-	  goto retry;
-	}
-      return grub_error (GRUB_ERR_READ_ERROR,
-			 "can't read status from USB Mass Storage device");
-    }
   
-  /* XXX: Magic and check this code.  */
+  /* If phase error or not valid signature, do bulk-only reset device. */
-  if (status.status == 2)
+  if ((status.status == 2) ||
-    {
+      (status.signature != grub_cpu_to_le32(0x53425355)))
-      /* XXX: Phase error, reset device.  */
+    { /* Bulk-only reset device. */
+      grub_dprintf ("usb", "Bulk-only reset device - bad status\n");
       grub_usbms_reset (dev->dev, dev->interface);
       grub_usb_clear_halt (dev->dev, dev->in->endp_addr);
       grub_usb_clear_halt (dev->dev, dev->out->endp_addr);
@@ -311,9 +371,13 @@ grub_usbms_transfer (struct grub_scsi *scsi, grub_size_t cmdsize, char *cmd,
       goto retry;
     }
 
-  if (status.status)
+  /* If "command failed" status or data transfer failed -> error */
+  if ((status.status || err) && !read_write)
     return grub_error (GRUB_ERR_READ_ERROR,
 		       "error communication with USB Mass Storage device");
+  else if ((status.status || err) && read_write)
+    return grub_error (GRUB_ERR_WRITE_ERROR,
+		       "error communication with USB Mass Storage device");
 
   return GRUB_ERR_NONE;
 }

fs/i386/pc/pxe.c

@@ -114,7 +114,7 @@ grub_pxe_open (const char *name, grub_disk_t disk)
 	return err;
       if (*ptr == ':')
 	{
-	  err = parse_ip (ptr + 1, &(data->server_ip), 0);
+	  err = parse_ip (ptr + 1, &(data->gateway_ip), 0);
 	  if (err)
 	    return err;
 	}

fs/nilfs2.c

@@ -49,6 +49,13 @@
 #define NILFS_BTREE_LEVEL_NODE_MIN      (NILFS_BTREE_LEVEL_DATA + 1)
 #define NILFS_BTREE_LEVEL_MAX           14
 
+/* nilfs 1st super block posission from beginning of the partition
+   in 512 block size */
+#define NILFS_1ST_SUPER_BLOCK	2
+/* nilfs 2nd super block posission from end of the partition
+   in 512 block size */
+#define NILFS_2ND_SUPER_BLOCK	8
+
 struct grub_nilfs2_inode
 {
   grub_uint64_t i_blocks;
@@ -703,6 +710,52 @@ grub_nilfs2_valid_sb (struct grub_nilfs2_super_block *sbp)
   return 1;
 }
 
+static grub_err_t
+grub_nilfs2_load_sb (struct grub_nilfs2_data *data)
+{
+  grub_disk_t disk = data->disk;
+  struct grub_nilfs2_super_block sb2;
+  grub_uint64_t partition_size;
+  int valid[2];
+  int swp = 0;
+
+  /* Read first super block. */
+  grub_disk_read (disk, NILFS_1ST_SUPER_BLOCK, 0,
+		  sizeof (struct grub_nilfs2_super_block), &data->sblock);
+  /* Make sure if 1st super block is valid.  */
+  valid[0] = grub_nilfs2_valid_sb (&data->sblock);
+
+  partition_size = grub_disk_get_size (disk);
+  if (partition_size != GRUB_DISK_SIZE_UNKNOWN)
+    {
+      /* Read second super block. */
+      grub_disk_read (disk, partition_size - NILFS_2ND_SUPER_BLOCK, 0,
+		      sizeof (struct grub_nilfs2_super_block), &sb2);
+      /* Make sure if 2nd super block is valid.  */
+      valid[1] = grub_nilfs2_valid_sb (&sb2);
+    }
+  else
+    /* 2nd super block may not exist, so it's invalid. */
+    valid[1] = 0;
+
+
+
+  if (!valid[0] && !valid[1])
+    return grub_error (GRUB_ERR_BAD_FS, "not a nilfs2 filesystem");
+
+  swp = valid[1] && (!valid[0] ||
+		     grub_le_to_cpu64 (data->sblock.s_last_cno) <
+		     grub_le_to_cpu64 (sb2.s_last_cno));
+
+  /* swap if first super block is invalid or older than second one. */
+  if (swp)
+    grub_memcpy (&data->sblock, &sb2,
+		 sizeof (struct grub_nilfs2_super_block));
+
+  grub_errno = GRUB_ERR_NONE;
+  return grub_errno;
+}
+
 static struct grub_nilfs2_data *
 grub_nilfs2_mount (grub_disk_t disk)
 {
@@ -717,19 +770,13 @@ grub_nilfs2_mount (grub_disk_t disk)
   if (!data)
     return 0;
 
+  data->disk = disk;
+
   /* Read the superblock.  */
-  grub_disk_read (disk, 1 * 2, 0, sizeof (struct grub_nilfs2_super_block),
+  grub_nilfs2_load_sb (data);
-		  &data->sblock);
   if (grub_errno)
     goto fail;
 
-  /* Make sure this is an nilfs2 filesystem.  */
-  if (!grub_nilfs2_valid_sb (&data->sblock))
-    {
-      grub_error (GRUB_ERR_BAD_FS, "not a nilfs2 filesystem");
-      goto fail;
-    }
-
   nilfs2_block_count = (1 << LOG2_NILFS2_BLOCK_SIZE (data));
 
   /* Read the last segment summary. */
@@ -748,8 +795,6 @@ grub_nilfs2_mount (grub_disk_t disk)
   if (grub_errno)
     goto fail;
 
-  data->disk = disk;
-
   grub_nilfs2_read_last_checkpoint (data, &last_checkpoint);
 
   if (grub_errno)

gfxmenu/gfxmenu.c

@@ -110,6 +110,13 @@ grub_gfxmenu_try (int entry, grub_menu_t menu, int nested)
   view->nested = nested;
   view->first_timeout = -1;
 
+  grub_video_set_viewport (0, 0, mode_info.width, mode_info.height);
+  if (view->double_repaint)
+    {
+      grub_video_swap_buffers ();
+      grub_video_set_viewport (0, 0, mode_info.width, mode_info.height);
+    }
+
   grub_gfxmenu_view_draw (view);
 
   instance->data = view;

gfxmenu/gui_list.c

@@ -210,8 +210,7 @@ draw_scrollbar (list_impl_t self,
 
 /* Draw the list of items.  */
 static void
-draw_menu (list_impl_t self, int width, int drawing_scrollbar,
+draw_menu (list_impl_t self, int width, int num_shown_items)
-	   int num_shown_items)
 {
   if (! self->menu_box || ! self->selected_item_box)
     return;
@@ -226,8 +225,6 @@ draw_menu (list_impl_t self, int width, int drawing_scrollbar,
 
   make_selected_item_visible (self);
 
-  int scrollbar_h_space = drawing_scrollbar ? self->scrollbar_width : 0;
-
   grub_gfxmenu_box_t selbox = self->selected_item_box;
   int sel_leftpad = selbox->get_left_pad (selbox);
   int item_top = boxpad;
@@ -244,12 +241,8 @@ draw_menu (list_impl_t self, int width, int drawing_scrollbar,
       if (is_selected)
         {
           int sel_toppad = selbox->get_top_pad (selbox);
-          selbox->set_content_size (selbox,
+          selbox->set_content_size (selbox, (width - 2 * boxpad), item_height);
-                                    (width - 2 * boxpad
+          selbox->draw (selbox, item_left - sel_leftpad,
-                                     - scrollbar_h_space),
-                                    item_height);
-          selbox->draw (selbox,
-                        item_left - sel_leftpad,
                         item_top - sel_toppad);
         }
 
@@ -320,7 +313,7 @@ list_paint (void *vself, const grub_video_rect_t *region)
     box->draw (box, 0, 0);
 
     grub_gui_set_viewport (&content_rect, &vpsave2);
-    draw_menu (self, content_rect.width, drawing_scrollbar, num_shown_items);
+    draw_menu (self, content_rect.width, num_shown_items);
     grub_gui_restore_viewport (&vpsave2);
 
     if (drawing_scrollbar)

gfxmenu/view.c

@@ -354,11 +354,6 @@ grub_gfxmenu_draw_terminal_box (void)
   term_box->set_content_size (term_box, term_rect.width,
 			      term_rect.height);
   
-  term_box->draw (term_box,
-		  term_rect.x - term_box->get_left_pad (term_box),
-		  term_rect.y - term_box->get_top_pad (term_box));
-  grub_video_swap_buffers ();
-  if (term_view->double_repaint)
   term_box->draw (term_box,
 		  term_rect.x - term_box->get_left_pad (term_box),
 		  term_rect.y - term_box->get_top_pad (term_box));

include/grub/cs5536.h

@@ -0,0 +1,190 @@
+/*
+ *  GRUB  --  GRand Unified Bootloader
+ *  Copyright (C) 2010  Free Software Foundation, Inc.
+ *
+ *  GRUB is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation, either version 3 of the License, or
+ *  (at your option) any later version.
+ *
+ *  GRUB is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with GRUB.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef GRUB_CS5536_HEADER
+#define GRUB_CS5536_HEADER 1
+
+#ifndef ASM_FILE
+#include <grub/pci.h>
+#include <grub/err.h>
+#include <grub/smbus.h>
+#endif
+
+#define GRUB_CS5536_PCIID 0x208f1022
+#define GRUB_CS5536_MSR_MAILBOX_ADDR  0xf4
+#define GRUB_CS5536_MSR_MAILBOX_DATA0 0xf8
+#define GRUB_CS5536_MSR_MAILBOX_DATA1 0xfc
+#define GRUB_CS5536_MSR_IRQ_MAP_BAR 0x80000008
+#define GRUB_CS5536_MSR_SMB_BAR 0x8000000b
+
+#define GRUB_CS5536_SMBUS_REGS_SIZE 8
+#define GRUB_CS5536_GPIO_REGS_SIZE 256
+#define GRUB_CS5536_MFGPT_REGS_SIZE 64
+#define GRUB_CS5536_IRQ_MAP_REGS_SIZE 32
+#define GRUB_CS5536_PM_REGS_SIZE 128
+#define GRUB_CS5536_ACPI_REGS_SIZE 32
+
+#define GRUB_CS5536_USB_OPTION_REGS_SIZE 0x1c
+#define GRUB_CS5536_USB_OPTION_REG_UOCMUX  1
+#define GRUB_CS5536_USB_OPTION_REG_UOCMUX_PMUX_MASK 0x03
+#define GRUB_CS5536_USB_OPTION_REG_UOCMUX_PMUX_HC   0x02
+
+#define GRUB_CS5536_DESTINATION_GLIU     0
+#define GRUB_CS5536_DESTINATION_GLPCI_SB 1
+#define GRUB_CS5536_DESTINATION_USB      2
+#define GRUB_CS5536_DESTINATION_IDE      3
+#define GRUB_CS5536_DESTINATION_DD       4
+#define GRUB_CS5536_DESTINATION_ACC      5
+#define GRUB_CS5536_DESTINATION_GLCP     7
+
+#define GRUB_CS5536_P2D_DEST_SHIFT    61
+#define GRUB_CS5536_P2D_LOG_ALIGN  12
+#define GRUB_CS5536_P2D_ALIGN  (1 << GRUB_CS5536_P2D_LOG_ALIGN)
+#define GRUB_CS5536_P2D_BASE_SHIFT 20
+#define GRUB_CS5536_P2D_MASK_SHIFT 0
+
+#define GRUB_CS5536_MSR_GL_IOD_START 0x000100e0
+#define GRUB_CS5536_IOD_DEST_SHIFT    61
+#define GRUB_CS5536_IOD_BASE_SHIFT    20
+#define GRUB_CS5536_IOD_MASK_SHIFT 0
+#define GRUB_CS5536_IOD_ADDR_MASK     0xfffff
+
+#define GRUB_CS5536_MSR_GPIO_BAR 0x8000000c
+#define GRUB_CS5536_MSR_MFGPT_BAR 0x8000000d
+#define GRUB_CS5536_MSR_ACPI_BAR 0x8000000e
+#define GRUB_CS5536_MSR_PM_BAR 0x8000000f
+#define GRUB_CS5536_MSR_DIVIL_LEG_IO 0x80000014
+#define GRUB_CS5536_MSR_DIVIL_LEG_IO_RTC_ENABLE0 0x00000001
+#define GRUB_CS5536_MSR_DIVIL_LEG_IO_RTC_ENABLE1 0x00000002
+#define GRUB_CS5536_MSR_DIVIL_LEG_IO_MODE_X86    0x10000000
+#define GRUB_CS5536_MSR_DIVIL_LEG_IO_F_REMAP     0x04000000
+#define GRUB_CS5536_MSR_DIVIL_IRQ_MAPPER_PRIMARY_MASK 0x80000024
+#define GRUB_CS5536_MSR_DIVIL_IRQ_MAPPER_LPC_MASK 0x80000025
+#define GRUB_CS5536_DIVIL_LPC_INTERRUPTS 0x1002
+#define GRUB_CS5536_MSR_DIVIL_LPC_SERIAL_IRQ_CONTROL 0x8000004e
+#define GRUB_CS5536_MSR_DIVIL_LPC_SERIAL_IRQ_CONTROL_ENABLE 0x80
+
+#define GRUB_CS5536_MSR_USB_OHCI_BASE 0x40000008
+#define GRUB_CS5536_MSR_USB_EHCI_BASE 0x40000009
+#define GRUB_CS5536_MSR_USB_CONTROLLER_BASE 0x4000000a
+#define GRUB_CS5536_MSR_USB_OPTION_CONTROLLER_BASE 0x4000000b
+#define GRUB_CS5536_MSR_USB_BASE_ADDR_MASK     0x00ffffff00ULL
+#define GRUB_CS5536_MSR_USB_BASE_BUS_MASTER    0x0400000000ULL
+#define GRUB_CS5536_MSR_USB_BASE_MEMORY_ENABLE 0x0200000000ULL
+#define GRUB_CS5536_MSR_USB_BASE_PME_ENABLED       0x0800000000ULL
+#define GRUB_CS5536_MSR_USB_BASE_PME_STATUS        0x1000000000ULL
+#define GRUB_CS5536_MSR_USB_EHCI_BASE_FLDJ_SHIFT 40
+
+#define GRUB_CS5536_MSR_IDE_IO_BAR 0x60000008
+#define GRUB_CS5536_MSR_IDE_IO_BAR_UNITS 1
+#define GRUB_CS5536_MSR_IDE_IO_BAR_ADDR_MASK 0xfffffff0
+#define GRUB_CS5536_MSR_IDE_CFG 0x60000010
+#define GRUB_CS5536_MSR_IDE_CFG_CHANNEL_ENABLE 2
+#define GRUB_CS5536_MSR_IDE_TIMING 0x60000012
+#define GRUB_CS5536_MSR_IDE_TIMING_PIO0 0x98
+#define GRUB_CS5536_MSR_IDE_TIMING_DRIVE0_SHIFT 24
+#define GRUB_CS5536_MSR_IDE_TIMING_DRIVE1_SHIFT 16
+#define GRUB_CS5536_MSR_IDE_CAS_TIMING 0x60000013
+#define GRUB_CS5536_MSR_IDE_CAS_TIMING_CMD_PIO0 0x99
+#define GRUB_CS5536_MSR_IDE_CAS_TIMING_CMD_SHIFT 24
+#define GRUB_CS5536_MSR_IDE_CAS_TIMING_DRIVE0_SHIFT 6
+#define GRUB_CS5536_MSR_IDE_CAS_TIMING_DRIVE1_SHIFT 4
+#define GRUB_CS5536_MSR_IDE_CAS_TIMING_PIO0 2
+
+#define GRUB_CS5536_MSR_GL_PCI_CTRL 0x00000010
+#define GRUB_CS5536_MSR_GL_PCI_CTRL_MEMORY_ENABLE 1
+#define GRUB_CS5536_MSR_GL_PCI_CTRL_IO_ENABLE 2
+#define GRUB_CS5536_MSR_GL_PCI_CTRL_LATENCY_SHIFT 35
+#define GRUB_CS5536_MSR_GL_PCI_CTRL_OUT_THR_SHIFT 60
+#define GRUB_CS5536_MSR_GL_PCI_CTRL_IN_THR_SHIFT 56
+
+#define GRUB_CS5536_MSR_GL_REGIONS_START 0x00000020
+#define GRUB_CS5536_MSR_GL_REGIONS_NUM   16
+#define GRUB_CS5536_MSR_GL_REGION_ENABLE 1
+#define GRUB_CS5536_MSR_GL_REGION_IO        0x100000000ULL
+#define GRUB_CS5536_MSR_GL_REGION_BASE_MASK 0xfffff000ULL
+#define GRUB_CS5536_MSR_GL_REGION_IO_BASE_SHIFT 12
+#define GRUB_CS5536_MSR_GL_REGION_TOP_MASK 0xfffff00000000000ULL
+#define GRUB_CS5536_MSR_GL_REGION_IO_TOP_SHIFT 44
+
+#define GRUB_CS5536_MSR_GL_P2D_START 0x00010020
+
+#define GRUB_CS5536_SMB_REG_DATA 0x0
+#define GRUB_CS5536_SMB_REG_STATUS 0x1
+#define GRUB_CS5536_SMB_REG_STATUS_SDAST (1 << 6)
+#define GRUB_CS5536_SMB_REG_STATUS_BER (1 << 5)
+#define GRUB_CS5536_SMB_REG_STATUS_NACK (1 << 4)
+#define GRUB_CS5536_SMB_REG_CTRL1 0x3
+#define GRUB_CS5536_SMB_REG_CTRL1_START 0x01
+#define GRUB_CS5536_SMB_REG_CTRL1_STOP  0x02
+#define GRUB_CS5536_SMB_REG_CTRL1_ACK   0x10
+#define GRUB_CS5536_SMB_REG_ADDR 0x4
+#define GRUB_CS5536_SMB_REG_ADDR_MASTER 0x0
+#define GRUB_CS5536_SMB_REG_CTRL2 0x5
+#define GRUB_CS5536_SMB_REG_CTRL2_ENABLE 0x1
+#define GRUB_CS5536_SMB_REG_CTRL3 0x6
+
+#ifdef ASM_FILE
+#define GRUB_ULL(x) x
+#else
+#define GRUB_ULL(x) x ## ULL
+#endif
+
+#define GRUB_CS5536_LBAR_ADDR_MASK GRUB_ULL (0x000000000000fff8)
+#define GRUB_CS5536_LBAR_ENABLE GRUB_ULL (0x0000000100000000)
+#define GRUB_CS5536_LBAR_MASK_MASK GRUB_ULL (0x0000f00000000000)
+#define GRUB_CS5536_LBAR_TURN_ON (GRUB_CS5536_LBAR_ENABLE | GRUB_CS5536_LBAR_MASK_MASK)
+
+/* PMON-compatible LBARs.  */
+#define GRUB_CS5536_LBAR_GPIO      0xb000
+#define GRUB_CS5536_LBAR_ACC       0xb200
+#define GRUB_CS5536_LBAR_PM        0xb280
+#define GRUB_CS5536_LBAR_MFGPT     0xb300
+#define GRUB_CS5536_LBAR_ACPI      0xb340
+#define GRUB_CS5536_LBAR_IRQ_MAP   0xb360
+#define GRUB_CS5536_LBAR_IDE       0xb380
+#define GRUB_CS5536_LBAR_SMBUS     0xb390
+
+#define GRUB_GPIO_SMBUS_PINS ((1 << 14) | (1 << 15))
+#define GRUB_GPIO_REG_OUT_EN 0x4
+#define GRUB_GPIO_REG_OUT_AUX1 0x10
+#define GRUB_GPIO_REG_IN_EN 0x20
+#define GRUB_GPIO_REG_IN_AUX1 0x34
+
+#ifndef ASM_FILE
+int EXPORT_FUNC (grub_cs5536_find) (grub_pci_device_t *devp);
+
+grub_uint64_t EXPORT_FUNC (grub_cs5536_read_msr) (grub_pci_device_t dev,
+						  grub_uint32_t addr);
+void EXPORT_FUNC (grub_cs5536_write_msr) (grub_pci_device_t dev,
+					  grub_uint32_t addr,
+					  grub_uint64_t val);
+grub_err_t grub_cs5536_read_spd_byte (grub_port_t smbbase, grub_uint8_t dev,
+				      grub_uint8_t addr, grub_uint8_t *res);
+grub_err_t EXPORT_FUNC (grub_cs5536_read_spd) (grub_port_t smbbase,
+					       grub_uint8_t dev,
+					       struct grub_smbus_spd *res);
+grub_err_t grub_cs5536_smbus_wait (grub_port_t smbbase);
+grub_err_t EXPORT_FUNC (grub_cs5536_init_smbus) (grub_pci_device_t dev,
+						 grub_uint16_t divisor,
+						 grub_port_t *smbbase);
+
+void grub_cs5536_init_geode (grub_pci_device_t dev);
+#endif
+
+#endif

include/grub/disk.h

@@ -138,6 +138,9 @@ typedef struct grub_disk_memberlist *grub_disk_memberlist_t;
 #define GRUB_DISK_CACHE_SIZE	8
 #define GRUB_DISK_CACHE_BITS	3
 
+/* Return value of grub_disk_get_size() in case disk size is unknown. */
+#define GRUB_DISK_SIZE_UNKNOWN	 0xffffffffffffffffULL
+
 /* This is called from the memory manager.  */
 void grub_disk_cache_invalidate_all (void);
 

include/grub/emu/misc.h

@@ -46,5 +46,10 @@ int EXPORT_FUNC(asprintf) (char **buf, const char *fmt, ...);
 #endif
 
 char * EXPORT_FUNC(xasprintf) (const char *fmt, ...);
+extern char * canonicalize_file_name (const char *path);
+
+#ifdef HAVE_DEVICE_MAPPER
+int grub_device_mapper_supported (void);
+#endif
 
 #endif /* GRUB_EMU_MISC_H */

include/grub/i18n.h

@@ -22,10 +22,10 @@
 #include <config.h>
 #include <grub/symbol.h>
 
-extern const char *(*EXPORT_VAR(grub_gettext)) (const char *s);
-
 /* NLS can be disabled through the configure --disable-nls option.  */
-#if (defined(ENABLE_NLS) && ENABLE_NLS)
+#if (defined(ENABLE_NLS) && ENABLE_NLS) || !defined (GRUB_UTIL)
+
+extern const char *(*EXPORT_VAR(grub_gettext)) (const char *s);
 
 # ifdef GRUB_UTIL
 
@@ -41,19 +41,11 @@ extern const char *(*EXPORT_VAR(grub_gettext)) (const char *s);
    for invalid uses of the value returned from these functions.
    On pre-ANSI systems without 'const', the config.h file is supposed to
    contain "#define const".  */
-# ifdef GRUB_UTIL
 static inline const char * __attribute__ ((always_inline))
 gettext (const char *str)
 {
   return str;
 }
-# else
-static inline const char * __attribute__ ((always_inline))
-grub_gettext (const char *str)
-{
-  return str;
-}
-# endif /* GRUB_UTIL */
 
 #endif /* (defined(ENABLE_NLS) && ENABLE_NLS) */
 

include/grub/i386/pci.h

@@ -80,7 +80,7 @@ grub_pci_device_map_range (grub_pci_device_t dev __attribute__ ((unused)),
 
 static inline void
 grub_pci_device_unmap_range (grub_pci_device_t dev __attribute__ ((unused)),
-			     void *mem __attribute__ ((unused)),
+			     volatile void *mem __attribute__ ((unused)),
 			     grub_size_t size __attribute__ ((unused)))
 {
 }

include/grub/mips/yeeloong/pci.h

@@ -19,16 +19,30 @@
 #ifndef	GRUB_MACHINE_PCI_H
 #define	GRUB_MACHINE_PCI_H	1
 
+#ifndef ASM_FILE
 #include <grub/types.h>
 #include <grub/cpu/io.h>
+#endif
+
+#define GRUB_YEELOONG_OHCI_PCIID 0x00351033
+#define GRUB_YEELOONG_EHCI_PCIID 0x00e01033
+#define GRUB_YEELOONG_OHCI_GHOST_FUNCTION 4
+#define GRUB_YEELOONG_EHCI_GHOST_FUNCTION 5
 
 #define GRUB_PCI_NUM_BUS        1
 #define GRUB_PCI_NUM_DEVICES    16
 
 #define GRUB_MACHINE_PCI_IO_BASE           0xbfd00000
 #define GRUB_MACHINE_PCI_CONFSPACE         0xbfe80000
-#define GRUB_MACHINE_PCI_CONF_CTRL_REG    (*(volatile grub_uint32_t *) 0xbfe00118)
+#define GRUB_MACHINE_PCI_CONTROLLER_HEADER 0xbfe00000
+
+#define GRUB_MACHINE_PCI_CONF_CTRL_REG_ADDR 0xbfe00118
+
+#ifndef ASM_FILE
+#define GRUB_MACHINE_PCI_CONF_CTRL_REG    (*(volatile grub_uint32_t *) \
+					   GRUB_MACHINE_PCI_CONF_CTRL_REG_ADDR)
 #define GRUB_MACHINE_PCI_IO_CTRL_REG      (*(volatile grub_uint32_t *) 0xbfe00110)
+#endif
 #define GRUB_MACHINE_PCI_WIN_MASK_SIZE    6
 #define GRUB_MACHINE_PCI_WIN_MASK         ((1 << GRUB_MACHINE_PCI_WIN_MASK_SIZE) - 1)
 
@@ -46,6 +60,7 @@
 #define GRUB_MACHINE_PCI_WIN2_ADDR        0xb4000000
 #define GRUB_MACHINE_PCI_WIN3_ADDR        0xb8000000
 
+#ifndef ASM_FILE
 static inline grub_uint32_t
 grub_pci_read (grub_pci_address_t addr)
 {
@@ -95,11 +110,12 @@ grub_pci_write_byte (grub_pci_address_t addr, grub_uint8_t data)
 }
 
 volatile void *
-grub_pci_device_map_range (grub_pci_device_t dev __attribute__ ((unused)),
+EXPORT_FUNC (grub_pci_device_map_range) (grub_pci_device_t dev,
 					 grub_addr_t base, grub_size_t size);
 void
-grub_pci_device_unmap_range (grub_pci_device_t dev __attribute__ ((unused)),
+EXPORT_FUNC (grub_pci_device_unmap_range) (grub_pci_device_t dev,
 					   volatile void *mem,
-			     grub_size_t size __attribute__ ((unused)));
+					   grub_size_t size);
+#endif
 
 #endif /* GRUB_MACHINE_PCI_H */

include/grub/pci.h

@@ -19,8 +19,10 @@
 #ifndef	GRUB_PCI_H
 #define	GRUB_PCI_H	1
 
+#ifndef ASM_FILE
 #include <grub/types.h>
 #include <grub/symbol.h>
+#endif
 
 #define  GRUB_PCI_ADDR_SPACE_MASK	0x01
 #define  GRUB_PCI_ADDR_SPACE_MEMORY	0x00
@@ -66,6 +68,20 @@
 #define  GRUB_PCI_REG_MIN_GNT      0x3e
 #define  GRUB_PCI_REG_MAX_LAT      0x3f
 
+#define  GRUB_PCI_COMMAND_IO_ENABLED    0x0001
+#define  GRUB_PCI_COMMAND_MEM_ENABLED   0x0002
+#define  GRUB_PCI_COMMAND_BUS_MASTER    0x0004
+#define  GRUB_PCI_COMMAND_PARITY_ERROR  0x0040
+#define  GRUB_PCI_COMMAND_SERR_ENABLE   0x0100
+
+#define  GRUB_PCI_STATUS_CAPABILITIES      0x0010
+#define  GRUB_PCI_STATUS_66MHZ_CAPABLE     0x0020
+#define  GRUB_PCI_STATUS_FAST_B2B_CAPABLE  0x0080
+
+#define  GRUB_PCI_STATUS_DEVSEL_TIMING_SHIFT 9
+#define  GRUB_PCI_STATUS_DEVSEL_TIMING_MASK 0x0600
+
+#ifndef ASM_FILE
 typedef grub_uint32_t grub_pci_id_t;
 
 #ifdef GRUB_MACHINE_EMU
@@ -107,4 +123,14 @@ grub_pci_address_t EXPORT_FUNC(grub_pci_make_address) (grub_pci_device_t dev,
 
 void EXPORT_FUNC(grub_pci_iterate) (grub_pci_iteratefunc_t hook);
 
+struct grub_pci_dma_chunk;
+
+struct grub_pci_dma_chunk *EXPORT_FUNC(grub_memalign_dma32) (grub_size_t align,
+							     grub_size_t size);
+void EXPORT_FUNC(grub_dma_free) (struct grub_pci_dma_chunk *ch);
+volatile void *EXPORT_FUNC(grub_dma_get_virt) (struct grub_pci_dma_chunk *ch);
+grub_uint32_t EXPORT_FUNC(grub_dma_get_phys) (struct grub_pci_dma_chunk *ch);
+
+#endif
+
 #endif /* GRUB_PCI_H */

include/grub/scsicmd.h

@@ -25,14 +25,26 @@
 #define GRUB_SCSI_REMOVABLE_BIT	7
 #define GRUB_SCSI_LUN_SHIFT	5
 
+struct grub_scsi_test_unit_ready
+{
+  grub_uint8_t opcode;
+  grub_uint8_t lun; /* 7-5 LUN, 4-0 reserved */
+  grub_uint8_t reserved1;
+  grub_uint8_t reserved2;
+  grub_uint8_t reserved3;
+  grub_uint8_t control;
+  grub_uint8_t pad[6]; /* To be ATAPI compatible */
+} __attribute__((packed));
+
 struct grub_scsi_inquiry
 {
   grub_uint8_t opcode;
-  grub_uint8_t lun;
+  grub_uint8_t lun; /* 7-5 LUN, 4-1 reserved, 0 EVPD */
-  grub_uint16_t reserved;
+  grub_uint8_t page; /* page code if EVPD=1 */
-  grub_uint16_t alloc_length;
+  grub_uint8_t reserved;
-  grub_uint8_t reserved2;
+  grub_uint8_t alloc_length;
-  grub_uint8_t pad[5];
+  grub_uint8_t control;
+  grub_uint8_t pad[6]; /* To be ATAPI compatible */
 } __attribute__((packed));
 
 struct grub_scsi_inquiry_data
@@ -47,12 +59,42 @@ struct grub_scsi_inquiry_data
   char prodrev[4];
 } __attribute__((packed));
 
+struct grub_scsi_request_sense
+{
+  grub_uint8_t opcode;
+  grub_uint8_t lun; /* 7-5 LUN, 4-0 reserved */
+  grub_uint8_t reserved1;
+  grub_uint8_t reserved2;
+  grub_uint8_t alloc_length;
+  grub_uint8_t control;
+  grub_uint8_t pad[6]; /* To be ATAPI compatible */
+} __attribute__((packed));
+
+struct grub_scsi_request_sense_data
+{
+  grub_uint8_t error_code; /* 7 Valid, 6-0 Err. code */
+  grub_uint8_t segment_number;
+  grub_uint8_t sense_key; /*7 FileMark, 6 EndOfMedia, 5 ILI, 4-0 sense key */
+  grub_uint32_t information;
+  grub_uint8_t additional_sense_length;
+  grub_uint32_t cmd_specific_info;
+  grub_uint8_t additional_sense_code;
+  grub_uint8_t additional_sense_code_qualifier;
+  grub_uint8_t field_replaceable_unit_code;
+  grub_uint8_t sense_key_specific[3];
+  /* there can be additional sense field */
+} __attribute__((packed));
+
 struct grub_scsi_read_capacity
 {
   grub_uint8_t opcode;
-  grub_uint8_t lun;
+  grub_uint8_t lun; /* 7-5 LUN, 4-1 reserved, 0 reserved */
-  grub_uint8_t reserved[8];
+  grub_uint32_t logical_block_addr; /* only if PMI=1 */
-  grub_uint8_t pad[2];
+  grub_uint8_t reserved1;
+  grub_uint8_t reserved2;
+  grub_uint8_t PMI;
+  grub_uint8_t control;
+  grub_uint16_t pad; /* To be ATAPI compatible */
 } __attribute__((packed));
 
 struct grub_scsi_read_capacity_data
@@ -105,12 +147,14 @@ struct grub_scsi_write12
 
 typedef enum
   {
+    grub_scsi_cmd_test_unit_ready = 0x00,
+    grub_scsi_cmd_request_sense = 0x03,
     grub_scsi_cmd_inquiry = 0x12,
     grub_scsi_cmd_read_capacity = 0x25,
     grub_scsi_cmd_read10 = 0x28,
     grub_scsi_cmd_write10 = 0x2a,
     grub_scsi_cmd_read12 = 0xa8,
-    grub_scsi_cmd_write12 = 0xaa
+    grub_scsi_cmd_write12 = 0xaa,
   } grub_scsi_cmd_t;
 
 typedef enum

include/grub/smbus.h

@@ -0,0 +1,70 @@
+/*
+ *  GRUB  --  GRand Unified Bootloader
+ *  Copyright (C) 2010  Free Software Foundation, Inc.
+ *
+ *  GRUB is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation, either version 3 of the License, or
+ *  (at your option) any later version.
+ *
+ *  GRUB is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with GRUB.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef GRUB_SMBUS_HEADER
+#define GRUB_SMBUS_HEADER 1
+
+#define GRUB_SMB_RAM_START_ADDR 0x50
+#define GRUB_SMB_RAM_NUM_MAX 0x08
+
+#define GRUB_SMBUS_SPD_MEMORY_TYPE_ADDR 2
+#define GRUB_SMBUS_SPD_MEMORY_TYPE_DDR2 8
+#define GRUB_SMBUS_SPD_MEMORY_NUM_BANKS_ADDR 17
+#define GRUB_SMBUS_SPD_MEMORY_NUM_ROWS_ADDR 3
+#define GRUB_SMBUS_SPD_MEMORY_NUM_COLUMNS_ADDR 4
+#define GRUB_SMBUS_SPD_MEMORY_NUM_OF_RANKS_ADDR 5
+#define GRUB_SMBUS_SPD_MEMORY_NUM_OF_RANKS_MASK 0x7
+#define GRUB_SMBUS_SPD_MEMORY_CAS_LATENCY_ADDR 18
+#define GRUB_SMBUS_SPD_MEMORY_CAS_LATENCY_MIN_VALUE 5
+#define GRUB_SMBUS_SPD_MEMORY_TRAS_ADDR 30
+#define GRUB_SMBUS_SPD_MEMORY_TRTP_ADDR 38
+
+#ifndef ASM_FILE
+
+struct grub_smbus_spd
+{
+  grub_uint8_t written_size;
+  grub_uint8_t log_total_flash_size;
+  grub_uint8_t memory_type;
+  union
+  {
+    grub_uint8_t unknown[253];
+    struct {
+      grub_uint8_t num_rows;
+      grub_uint8_t num_columns;
+      grub_uint8_t num_of_ranks;
+      grub_uint8_t unused1[12];
+      grub_uint8_t num_of_banks;
+      grub_uint8_t unused2[2];
+      grub_uint8_t cas_latency;
+      grub_uint8_t unused3[9];
+      grub_uint8_t rank_capacity;
+      grub_uint8_t unused4[1];
+      grub_uint8_t tras;
+      grub_uint8_t unused5[7];
+      grub_uint8_t trtp;
+      grub_uint8_t unused6[31];
+      grub_uint8_t part_number[18];
+      grub_uint8_t unused7[165];
+    } ddr2;
+  };
+};
+
+#endif
+
+#endif

include/grub/usb.h

@@ -35,7 +35,8 @@ typedef enum
     GRUB_USB_ERR_NAK,
     GRUB_USB_ERR_BABBLE,
     GRUB_USB_ERR_TIMEOUT,
-    GRUB_USB_ERR_BITSTUFF
+    GRUB_USB_ERR_BITSTUFF,
+    GRUB_USB_ERR_UNRECOVERABLE
   } grub_usb_err_t;
 
 typedef enum
@@ -156,7 +157,7 @@ struct grub_usb_device
   int initialized;
 
   /* Data toggle values (used for bulk transfers only).  */
-  int toggle[16];
+  int toggle[256];
 
   /* Device-specific data.  */
   void *data;
@@ -184,7 +185,12 @@ typedef enum
 
 typedef enum
   {
-    GRUB_USBMS_SUBCLASS_BULK = 0x06
+    GRUB_USBMS_SUBCLASS_BULK = 0x06,
+  	/* Experimental support for non-pure SCSI devices */
+    GRUB_USBMS_SUBCLASS_RBC = 0x01,
+    GRUB_USBMS_SUBCLASS_MMC2 = 0x02,
+    GRUB_USBMS_SUBCLASS_UFI = 0x04,
+    GRUB_USBMS_SUBCLASS_SFF8070 = 0x05
   } grub_usbms_subclass_t;
 
 typedef enum

include/grub/usbtrans.h

@@ -37,7 +37,7 @@ struct grub_usb_transaction
   int size;
   int toggle;
   grub_transfer_type_t pid;
-  char *data;
+  grub_uint32_t data;
 };
 typedef struct grub_usb_transaction *grub_usb_transaction_t;
 
@@ -58,6 +58,9 @@ struct grub_usb_transfer
   struct grub_usb_device *dev;
 
   struct grub_usb_transaction *transactions;
+  
+  int last_trans;
+  /* Index of last processed transaction in OHCI/UHCI driver. */
 };
 typedef struct grub_usb_transfer *grub_usb_transfer_t;
 
@@ -86,9 +89,9 @@ typedef struct grub_usb_transfer *grub_usb_transfer_t;
 
 #define GRUB_USB_REQ_HUB_GET_PORT_STATUS 0x00
 
-#define GRUB_USB_FEATURE_ENDP_HALT	0x01
+#define GRUB_USB_FEATURE_ENDP_HALT	0x00
-#define GRUB_USB_FEATURE_DEV_REMOTE_WU	0x02
+#define GRUB_USB_FEATURE_DEV_REMOTE_WU	0x01
-#define GRUB_USB_FEATURE_TEST_MODE	0x04
+#define GRUB_USB_FEATURE_TEST_MODE	0x02
 
 #define GRUB_USB_HUB_STATUS_CONNECTED	(1 << 0)
 #define GRUB_USB_HUB_STATUS_LOWSPEED	(1 << 9)

kern/emu/getroot.c

@@ -80,6 +80,86 @@ xgetcwd (void)
   return path;
 }
 
+#ifdef __linux__
+
+/* Statting something on a btrfs filesystem always returns a virtual device
+   major/minor pair rather than the real underlying device, because btrfs
+   can span multiple underlying devices (and even if it's currently only
+   using a single device it can be dynamically extended onto another).  We
+   can't deal with the multiple-device case yet, but in the meantime, we can
+   at least cope with the single-device case by scanning
+   /proc/self/mountinfo.  */
+static char *
+find_root_device_from_mountinfo (const char *dir)
+{
+  FILE *fp;
+  char *buf = NULL;
+  size_t len = 0;
+  char *ret = NULL;
+
+  fp = fopen ("/proc/self/mountinfo", "r");
+  if (! fp)
+    return NULL; /* fall through to other methods */
+
+  while (getline (&buf, &len, fp) > 0)
+    {
+      int mnt_id, parent_mnt_id;
+      unsigned int major, minor;
+      char enc_root[PATH_MAX], enc_path[PATH_MAX];
+      int count;
+      size_t enc_path_len;
+      const char *sep;
+      char fstype[PATH_MAX], device[PATH_MAX];
+      struct stat st;
+
+      if (sscanf (buf, "%d %d %u:%u %s %s%n",
+		  &mnt_id, &parent_mnt_id, &major, &minor, enc_root, enc_path,
+		  &count) < 6)
+	continue;
+
+      if (strcmp (enc_root, "/") != 0)
+	continue; /* only a subtree is mounted */
+
+      enc_path_len = strlen (enc_path);
+      if (strncmp (dir, enc_path, enc_path_len) != 0 ||
+	  (dir[enc_path_len] && dir[enc_path_len] != '/'))
+	continue;
+
+      /* This is a parent of the requested directory.  /proc/self/mountinfo
+	 is in mount order, so it must be the closest parent we've
+	 encountered so far.  If it's virtual, return its device node;
+	 otherwise, carry on to try to find something closer.  */
+
+      free (ret);
+      ret = NULL;
+
+      if (major != 0)
+	continue; /* not a virtual device */
+
+      sep = strstr (buf + count, " - ");
+      if (!sep)
+	continue;
+
+      sep += sizeof (" - ") - 1;
+      if (sscanf (sep, "%s %s", fstype, device) != 2)
+	continue;
+
+      if (stat (device, &st) < 0)
+	continue;
+
+      if (!S_ISBLK (st.st_mode))
+	continue; /* not a block device */
+
+      ret = strdup (device);
+    }
+
+  free (buf);
+  fclose (fp);
+  return ret;
+}
+
+#endif /* __linux__ */
+
 #ifdef __MINGW32__
 
 static char *
@@ -126,9 +206,20 @@ find_root_device (const char *dir, dev_t dev)
 	/* Ignore any error.  */
 	continue;
 
-      if (S_ISLNK (st.st_mode))
+      if (S_ISLNK (st.st_mode)) {
-	/* Don't follow symbolic links.  */
+#ifdef __linux__
+	if (strcmp (dir, "mapper") == 0) {
+	  /* Follow symbolic links under /dev/mapper/; the canonical name
+	     may be something like /dev/dm-0, but the names under
+	     /dev/mapper/ are more human-readable and so we prefer them if
+	     we can get them.  */
+	  if (stat (ent->d_name, &st) < 0)
 	    continue;
+	} else
+#endif /* __linux__ */
+	/* Don't follow other symbolic links.  */
+	continue;
+      }
 
       if (S_ISDIR (st.st_mode))
 	{
@@ -355,6 +446,12 @@ grub_guess_root_device (const char *dir)
 #else /* !__GNU__ */
   struct stat st;
 
+#ifdef __linux__
+  os_dev = find_root_device_from_mountinfo (dir);
+  if (os_dev)
+    return os_dev;
+#endif /* __linux__ */
+
   if (stat (dir, &st) < 0)
     grub_util_error ("cannot stat `%s'", dir);
 

kern/emu/hostdisk.c

@@ -338,11 +338,11 @@ find_partition_start (const char *dev)
   struct hd_geometry hdg;
 # else /* defined(__NetBSD__) */
   struct disklabel label;
-  int index;
+  int p_index;
 # endif /* !defined(__NetBSD__) */
 
 # ifdef HAVE_DEVICE_MAPPER
-  if (device_is_mapped (dev)) {
+  if (grub_device_mapper_supported () && device_is_mapped (dev)) {
     struct dm_task *task = NULL;
     grub_uint64_t start, length;
     char *target_type, *params, *space;
@@ -412,7 +412,12 @@ devmapper_fail:
   fd = open (dev, O_RDONLY);
   if (fd == -1)
     {
-      grub_error (GRUB_ERR_BAD_DEVICE, "cannot open `%s' while attempting to get disk geometry", dev);
+      grub_error (GRUB_ERR_BAD_DEVICE,
+# if !defined(__NetBSD__)
+		  "cannot open `%s' while attempting to get disk geometry", dev);
+# else /* defined(__NetBSD__) */
+		  "cannot open `%s' while attempting to get disk label", dev);
+# endif /* !defined(__NetBSD__) */
       return 0;
     }
 
@@ -424,7 +429,11 @@ devmapper_fail:
 # endif /* !defined(__NetBSD__) */
     {
       grub_error (GRUB_ERR_BAD_DEVICE,
+# if !defined(__NetBSD__)
 		  "cannot get disk geometry of `%s'", dev);
+# else /* defined(__NetBSD__) */
+		  "cannot get disk label of `%s'", dev);
+# endif /* !defined(__NetBSD__) */
       close (fd);
       return 0;
     }
@@ -434,18 +443,15 @@ devmapper_fail:
 # if !defined(__NetBSD__)
   return hdg.start;
 # else /* defined(__NetBSD__) */
-  /* Since dev and convert_system_partition_to_system_disk (dev) are
+  p_index = dev[strlen(dev) - 1] - 'a';
-   * different, we know that dev is of the form /dev/r[wsc]d[0-9]+[a-z]
-   * and in particular it cannot be a floppy device.  */
-  index = dev[strlen(dev) - 1] - 'a';
 
-  if (index >= label.d_npartitions)
+  if (p_index >= label.d_npartitions)
     {
       grub_error (GRUB_ERR_BAD_DEVICE,
 		  "no disk label entry for `%s'", dev);
       return 0;
     }
-  return (grub_disk_addr_t) label.d_partitions[index].p_offset;
+  return (grub_disk_addr_t) label.d_partitions[p_index].p_offset;
 # endif /* !defined(__NetBSD__) */
 }
 #endif /* __linux__ || __CYGWIN__ */
@@ -1258,22 +1264,28 @@ devmapper_out:
   return path;
 
 #elif defined(__NetBSD__)
-  /* NetBSD uses "/dev/r[wsc]d[0-9]+[a-z]".  */
+  /* NetBSD uses "/dev/r[a-z]+[0-9][a-z]".  */
   char *path = xstrdup (os_dev);
-  if (strncmp ("/dev/rwd", path, 8) == 0 ||
+  if (strncmp ("/dev/r", path, sizeof("/dev/r") - 1) == 0 &&
-      strncmp ("/dev/rsd", path, 8) == 0 ||
+      (path[sizeof("/dev/r") - 1] >= 'a' && path[sizeof("/dev/r") - 1] <= 'z') &&
-      strncmp ("/dev/rcd", path, 8) == 0)
+      strncmp ("fd", path + sizeof("/dev/r") - 1, sizeof("fd") - 1) != 0)    /* not a floppy device name */
     {
-      char *q;
+      char *p;
-      q = path + strlen(path) - 1;    /* last character */
+      for (p = path + sizeof("/dev/r"); *p >= 'a' && *p <= 'z'; p++);
-      if (grub_isalpha(*q) && grub_isdigit(*(q-1)))
+      if (grub_isdigit(*p))
 	{
+	  p++;
+	  if ((*p >= 'a' && *p <= 'z') && (*(p+1) == '\0'))
+	    {
+	      /* path matches the required regular expression and
+		 p points to its last character.  */
 	      int rawpart = -1;
 # ifdef HAVE_GETRAWPARTITION
 	      rawpart = getrawpartition();
 # endif /* HAVE_GETRAWPARTITION */
 	      if (rawpart >= 0)
-            *q = 'a' + rawpart;
+		*p = 'a' + rawpart;
+	    }
         }
     }
   return path;
@@ -1431,9 +1443,7 @@ grub_util_biosdisk_get_grub_dev (const char *os_dev)
       return name;
 # else /* defined(__NetBSD__) */
     /* Since os_dev and convert_system_partition_to_system_disk (os_dev) are
-     * different, we know that os_dev is of the form /dev/r[wsc]d[0-9]+[a-z]
+     * different, we know that os_dev cannot be a floppy device.  */
-     * and in particular it cannot be a floppy device.  */
-    index = os_dev[strlen(os_dev) - 1] - 'a';
 # endif /* !defined(__NetBSD__) */
 
     start = find_partition_start (os_dev);

kern/emu/misc.c

@@ -9,6 +9,9 @@
 #include <sys/types.h>
 #include <sys/stat.h>
 #include <unistd.h>
+#ifdef HAVE_LIMITS_H
+#include <limits.h>
+#endif
 
 #include <grub/mm.h>
 #include <grub/err.h>
@@ -19,6 +22,10 @@
 #include <grub/time.h>
 #include <grub/emu/misc.h>
 
+#ifdef HAVE_DEVICE_MAPPER
+# include <libdevmapper.h>
+#endif
+
 int verbosity;
 
 void
@@ -182,7 +189,8 @@ canonicalize_file_name (const char *path)
   char *ret;
 #ifdef PATH_MAX
   ret = xmalloc (PATH_MAX);
-  (void) realpath (path, ret);
+  if (!realpath (path, ret))
+    return NULL;
 #else
   ret = realpath (path, NULL);
 #endif
@@ -307,3 +315,38 @@ grub_make_system_path_relative_to_its_root (const char *path)
 
   return buf3;
 }
+
+#ifdef HAVE_DEVICE_MAPPER
+static void device_mapper_null_log (int level __attribute__ ((unused)),
+				    const char *file __attribute__ ((unused)),
+				    int line __attribute__ ((unused)),
+				    int dm_errno __attribute__ ((unused)),
+				    const char *f __attribute__ ((unused)),
+				    ...)
+{
+}
+
+int
+grub_device_mapper_supported (void)
+{
+  static int supported = -1;
+
+  if (supported == -1)
+    {
+      struct dm_task *dmt;
+
+      /* Suppress annoying log messages.  */
+      dm_log_with_errno_init (&device_mapper_null_log);
+
+      dmt = dm_task_create (DM_DEVICE_VERSION);
+      supported = (dmt != NULL);
+      if (dmt)
+	dm_task_destroy (dmt);
+
+      /* Restore the original logger.  */
+      dm_log_with_errno_init (NULL);
+    }
+
+  return supported;
+}
+#endif /* HAVE_DEVICE_MAPPER */

kern/i386/pc/init.c

@@ -75,8 +75,8 @@ make_install_device (void)
 	  ptr += grub_strlen (ptr);
 
 	  if (grub_install_bsd_part >= 0)
-	    grub_snprintf (ptr, sizeof (dev) - (ptr - dev), ",%c",
+	    grub_snprintf (ptr, sizeof (dev) - (ptr - dev), ",%u",
-			   grub_install_bsd_part + 'a');
+			   grub_install_bsd_part + 1);
 	  ptr += grub_strlen (ptr);
 	}
 

kern/i386/pc/mmap.c

@@ -20,6 +20,7 @@
 #include <grub/machine/memory.h>
 #include <grub/err.h>
 #include <grub/types.h>
+#include <grub/misc.h>
 
 grub_err_t
 grub_machine_mmap_iterate (int NESTED_FUNC_ATTR (*hook) (grub_uint64_t, grub_uint64_t, grub_uint32_t))
@@ -28,6 +29,8 @@ grub_machine_mmap_iterate (int NESTED_FUNC_ATTR (*hook) (grub_uint64_t, grub_uin
   struct grub_machine_mmap_entry *entry
     = (struct grub_machine_mmap_entry *) GRUB_MEMORY_MACHINE_SCRATCH_ADDR;
 
+  grub_memset (entry, 0, sizeof (entry));
+
   /* Check if grub_get_mmap_entry works.  */
   cont = grub_get_mmap_entry (entry, 0);
 
@@ -43,6 +46,8 @@ grub_machine_mmap_iterate (int NESTED_FUNC_ATTR (*hook) (grub_uint64_t, grub_uin
 	if (! cont)
 	  break;
 
+	grub_memset (entry, 0, sizeof (entry));
+
 	cont = grub_get_mmap_entry (entry, cont);
       }
     while (entry->size);

kern/misc.c

@@ -1058,7 +1058,7 @@ grub_abort (void)
 void abort (void) __attribute__ ((alias ("grub_abort")));
 #endif
 
-#if defined(NEED_ENABLE_EXECUTE_STACK) && !defined(GRUB_UTIL)
+#if defined(NEED_ENABLE_EXECUTE_STACK) && !defined(GRUB_UTIL) && !defined(GRUB_MACHINE_EMU)
 /* Some gcc versions generate a call to this function
    in trampolines for nested functions.  */
 void __enable_execute_stack (void *addr __attribute__ ((unused)))
@@ -1075,3 +1075,4 @@ void __deregister_frame_info (void)
 {
 }
 #endif
+

loader/multiboot_elfxx.c

@@ -74,7 +74,11 @@ CONCAT(grub_multiboot_load_elf, XX) (grub_file_t file, void *buffer)
   if (ehdr->e_phoff + ehdr->e_phnum * ehdr->e_phentsize > MULTIBOOT_SEARCH)
     return grub_error (GRUB_ERR_BAD_OS, "program header at a too high offset");
 
-#ifdef MULTIBOOT_LOAD_ELF64
+#if defined (MULTIBOOT_LOAD_ELF64) && defined (__mips)
+  /* We still in 32-bit mode.  */
+  if (ehdr->e_entry < 0xffffffff80000000ULL)
+    return grub_error (GRUB_ERR_BAD_OS, "invalid entry point for ELF64");
+#else
   /* We still in 32-bit mode.  */
   if (ehdr->e_entry > 0xffffffff)
     return grub_error (GRUB_ERR_BAD_OS, "invalid entry point for ELF64");

loader/multiboot_mbi2.c

@@ -496,7 +496,7 @@ grub_multiboot_make_mbi (void *orig, grub_uint32_t dest, grub_off_t buf_off,
 	  = (struct multiboot_tag_module *) ptrorig;
 	tag->type = MULTIBOOT_TAG_TYPE_MODULE;
 	tag->size = sizeof (struct multiboot_tag_module) + cur->cmdline_size;
-	tag->mod_start = dest + cur->start;
+	tag->mod_start = cur->start;
 	tag->mod_end = tag->mod_start + cur->size;
 	grub_memcpy (tag->cmdline, cur->cmdline, cur->cmdline_size);
 	ptrorig += ALIGN_UP (tag->size, MULTIBOOT_TAG_ALIGN);

normal/completion.c

@@ -414,6 +414,14 @@ grub_normal_do_completion (char *buf, int *restore,
   else
     current_word = argv[argc - 1];
 
+  if (argc > 1 && ! grub_strcmp (argv[0], "set"))
+    {
+      char *equals = grub_strchr (current_word, '=');
+      if (equals)
+	/* Complete the value of the variable.  */
+	current_word = equals + 1;
+    }
+
   /* Determine the state the command line is in, depending on the
      state, it can be determined how to complete.  */
   cmdline_state = get_state (buf);

normal/main.c

@@ -204,7 +204,7 @@ grub_normal_add_menu_entry (int argc, const char **args,
   for (i = 0; i < argc; i++)
     {
       /* Capture arguments.  */
-      if (grub_strncmp ("--", args[i], 2) == 0)
+      if (grub_strncmp ("--", args[i], 2) == 0 && i + 1 < argc)
 	{
 	  const char *arg = &args[i][2];
 

term/gfxterm.c

@@ -707,12 +707,6 @@ real_scroll (void)
       draw_cursor (0);
 
       grub_video_set_active_render_target (render_target);
-      /* Save viewport and set it to our window.  */
-      grub_video_get_viewport ((unsigned *) &saved_view.x, 
-                               (unsigned *) &saved_view.y, 
-                               (unsigned *) &saved_view.width, 
-                               (unsigned *) &saved_view.height);
-      grub_video_set_viewport (window.x, window.y, window.width, window.height);
 
       i = window.double_repaint ? 2 : 1;
 
@@ -720,6 +714,15 @@ real_scroll (void)
 
       while (i--)
 	{
+	  /* Save viewport and set it to our window.  */
+	  grub_video_get_viewport ((unsigned *) &saved_view.x, 
+				   (unsigned *) &saved_view.y, 
+				   (unsigned *) &saved_view.width, 
+				   (unsigned *) &saved_view.height);
+
+	  grub_video_set_viewport (window.x, window.y, window.width,
+				   window.height);
+
 	  /* Clear new border area.  */
 	  grub_video_fill_rect (color,
 				virtual_screen.offset_x,
@@ -735,6 +738,10 @@ real_scroll (void)
 	  grub_video_scroll (color, 0, -virtual_screen.normal_char_height
 			     * virtual_screen.total_scroll);
 
+	  /* Restore saved viewport.  */
+	  grub_video_set_viewport (saved_view.x, saved_view.y,
+				   saved_view.width, saved_view.height);
+
 	  if (i)
 	    grub_video_swap_buffers ();
 	}
@@ -746,9 +753,6 @@ real_scroll (void)
       grub_video_scroll (color, 0, -virtual_screen.normal_char_height
 			 * virtual_screen.total_scroll);
 
-      /* Restore saved viewport.  */
-      grub_video_set_viewport (saved_view.x, saved_view.y,
-                               saved_view.width, saved_view.height);
       grub_video_set_active_render_target (render_target);
 
     }

term/usb_keyboard.c

@@ -18,7 +18,6 @@
  */
 
 #include <grub/term.h>
-#include <grub/machine/console.h>
 #include <grub/time.h>
 #include <grub/cpu/io.h>
 #include <grub/misc.h>

util/deviceiter.c

@@ -33,6 +33,7 @@
 #include <grub/util/deviceiter.h>
 #include <grub/list.h>
 #include <grub/misc.h>
+#include <grub/emu/misc.h>
 
 #ifdef __linux__
 # if !defined(__GLIBC__) || \
@@ -676,6 +677,7 @@ grub_util_iterate_devices (int NESTED_FUNC_ATTR (*hook) (const char *, int),
     }
 
   /* DM-RAID.  */
+  if (grub_device_mapper_supported ())
     {
       struct dm_tree *tree = NULL;
       struct dm_task *task = NULL;

util/grub-install.in

@@ -34,6 +34,8 @@ font=@datadir@/@PACKAGE_TARNAME@/ascii.pf2
 pkglibdir=${libdir}/`echo ${PACKAGE_TARNAME}/${target_cpu}-${platform} | sed ${transform}`
 localedir=@datadir@/locale
 
+self=`basename $0`
+
 grub_setup=${sbindir}/`echo grub-setup | sed ${transform}`
 grub_mkimage=${bindir}/`echo grub-mkimage | sed ${transform}`
 grub_mkdevicemap=${sbindir}/`echo grub-mkdevicemap | sed ${transform}`
@@ -61,7 +63,7 @@ fi
 # Print the usage.
 usage () {
     cat <<EOF
-Usage: grub-install [OPTION] install_device
+Usage: $self [OPTION] install_device
 Install GRUB on your drive.
 
   -h, --help              print this message and exit
@@ -91,10 +93,10 @@ fi
 
 INSTALL_DEVICE can be a GRUB device name or a system device filename.
 
-grub-install copies GRUB images into /boot/grub (or /grub on NetBSD and
+$self copies GRUB images into /boot/grub (or /grub on NetBSD and
 OpenBSD), and uses grub-setup to install grub into the boot sector.
 
-If the --root-directory option is used, then grub-install will copy
+If the --root-directory option is used, then $self will copy
 images into the operating system installation rooted at that directory.
 
 Report bugs to <bug-grub@gnu.org>.
@@ -108,7 +110,7 @@ for option in "$@"; do
 	usage
 	exit 0 ;;
     -v | --version)
-	echo "grub-install (GNU GRUB ${PACKAGE_VERSION})"
+	echo "$self (${PACKAGE_NAME}) ${PACKAGE_VERSION}"
 	exit 0 ;;
     --modules=*)
 	modules=`echo "$option" | sed 's/--modules=//'` ;;

util/grub-mkconfig.in

@@ -23,7 +23,8 @@ exec_prefix=@exec_prefix@
 sbindir=@sbindir@
 libdir=@libdir@
 sysconfdir=@sysconfdir@
-package_version=@PACKAGE_VERSION@
+PACKAGE_NAME=@PACKAGE_NAME@
+PACKAGE_VERSION=@PACKAGE_VERSION@
 host_os=@host_os@
 datarootdir=@datarootdir@
 datadir=@datadir@
@@ -31,6 +32,8 @@ pkgdatadir=${datadir}/`echo @PACKAGE_TARNAME@ | sed "${transform}"`
 grub_cfg=""
 grub_mkconfig_dir=${sysconfdir}/grub.d
 
+self=`basename $0`
+
 grub_mkdevicemap=${sbindir}/`echo grub-mkdevicemap | sed ${transform}`
 grub_probe=${sbindir}/`echo grub-probe | sed ${transform}`
 
@@ -38,7 +41,7 @@ grub_probe=${sbindir}/`echo grub-probe | sed ${transform}`
 # Print the usage.
 usage () {
     cat <<EOF
-Usage: $0 [OPTION]
+Usage: $self [OPTION]
 Generate a grub config file
 
   -o, --output=FILE       output generated config to FILE [default=stdout]
@@ -50,17 +53,22 @@ EOF
 }
 
 # Check the arguments.
+next_grub_cfg=false
 for option in "$@"; do
+    if $next_grub_cfg; then
+	grub_cfg=$option
+	next_grub_cfg=false
+	continue
+    fi
     case "$option" in
     -h | --help)
 	usage
 	exit 0 ;;
     -v | --version)
-	echo "$0 (GNU GRUB ${package_version})"
+	echo "$self (${PACKAGE_NAME}) ${PACKAGE_VERSION}"
 	exit 0 ;;
     -o)
-	shift
+	next_grub_cfg=:
-	grub_cfg=$1
 	;;
     --output=*)
 	grub_cfg=`echo "$option" | sed 's/--output=//'`
@@ -72,6 +80,11 @@ for option in "$@"; do
 	;;
     esac
 done
+if $next_grub_cfg; then
+    echo "Missing argument to \`-o'" 1>&2
+    usage
+    exit 1
+fi
 
 . ${libdir}/grub/grub-mkconfig_lib
 
@@ -103,7 +116,7 @@ if [ "$EUID" != 0 ] ; then
       done ;;
   esac
   if [ $root != t ] ; then
-    echo "$0: You must run this as root" >&2
+    echo "$self: You must run this as root" >&2
     exit 1
   fi
 fi
@@ -236,6 +249,10 @@ export GRUB_DEFAULT \
   GRUB_HIDDEN_TIMEOUT \
   GRUB_HIDDEN_TIMEOUT_QUIET \
   GRUB_TIMEOUT \
+  GRUB_DEFAULT_BUTTON \
+  GRUB_HIDDEN_TIMEOUT_BUTTON \
+  GRUB_TIMEOUT_BUTTON \
+  GRUB_BUTTON_CMOS_ADDRESS \
   GRUB_DISTRIBUTOR \
   GRUB_CMDLINE_LINUX \
   GRUB_CMDLINE_LINUX_DEFAULT \
@@ -270,7 +287,7 @@ cat << EOF
 #
 # DO NOT EDIT THIS FILE
 #
-# It is automatically generated by $0 using templates
+# It is automatically generated by $self using templates
 # from ${grub_mkconfig_dir} and settings from ${sysconfdir}/default/grub
 #
 EOF

util/grub-mkconfig_lib.in

@@ -105,6 +105,11 @@ prepare_grub_to_access_device ()
     echo "insmod ${module}"
   done
 
+  partmap="`${grub_probe} --device ${device} --target=partmap`"
+  for module in ${partmap} ; do
+    echo "insmod part_${module}"
+  done
+
   fs="`${grub_probe} --device ${device} --target=fs`"
   for module in ${fs} ; do
     echo "insmod ${module}"

util/grub-mkimage.c

@@ -1253,7 +1253,7 @@ main (int argc, char *argv[])
 		  image_target = &image_targets[i];
 	      if (!image_target)
 		{
-		  printf ("unknown target %s\n", optarg);
+		  printf ("unknown target format %s\n", optarg);
 		  usage (1);
 		}
 	      break;
@@ -1307,7 +1307,7 @@ main (int argc, char *argv[])
 	    break;
 
 	  case 'V':
-	    printf ("grub-mkimage (%s) %s\n", PACKAGE_NAME, PACKAGE_VERSION);
+	    printf ("%s (%s) %s\n", program_name, PACKAGE_NAME, PACKAGE_VERSION);
 	    return 0;
 
 	  case 'v':
@@ -1322,7 +1322,7 @@ main (int argc, char *argv[])
 
   if (!image_target)
     {
-      printf ("Target not specified.\n");
+      printf ("Target format not specified (use the -O option).\n");
       usage (1);
     }
 

util/grub-mkpasswd-pbkdf2.c

@@ -112,7 +112,7 @@ hexify (char *hex, grub_uint8_t *bin, grub_size_t n)
 int
 main (int argc, char *argv[])
 {
-  unsigned int c = 10000, buflen = 64, saltlen = 64;
+  unsigned int count = 10000, buflen = 64, saltlen = 64;
   char *pass1, *pass2;
   char *bufhex, *salthex;
   gcry_err_code_t gcry_err;
@@ -137,7 +137,7 @@ main (int argc, char *argv[])
       switch (c)
 	{
 	case 'c':
-	  c = strtoul (optarg, NULL, 0);
+	  count = strtoul (optarg, NULL, 0);
 	  break;
 
 	case 'l':
@@ -307,7 +307,7 @@ main (int argc, char *argv[])
   gcry_err = grub_crypto_pbkdf2 (GRUB_MD_SHA512,
 				 (grub_uint8_t *) pass1, strlen (pass1),
 				 salt, saltlen,
-				 c, buf, buflen);
+				 count, buf, buflen);
   memset (pass1, 0, strlen (pass1));
   free (pass1);
 
@@ -327,7 +327,8 @@ main (int argc, char *argv[])
   hexify (bufhex, buf, buflen);
   hexify (salthex, salt, saltlen);
 
-  printf ("Your PBKDF2 is grub.pbkdf2.sha512.%d.%s.%s\n", c, salthex, bufhex);
+  printf ("Your PBKDF2 is grub.pbkdf2.sha512.%d.%s.%s\n",
+	  count, salthex, bufhex);
   memset (buf, 0, buflen);
   memset (bufhex, 0, 2 * buflen);
   free (buf);

util/grub-mkrelpath.c

@@ -41,7 +41,7 @@ usage (int status)
     printf ("\
 Usage: %s [OPTIONS] PATH\n\
 \n\
-Make a system path relative to it's root.\n\
+Make a system path relative to its root.\n\
 \n\
 Options:\n\
   -h, --help                display this message and exit\n\

util/grub-mkrescue.in

@@ -30,6 +30,8 @@ target_cpu=@target_cpu@
 native_platform=@platform@
 pkglib_DATA="@pkglib_DATA@"
 
+self=`basename $0`
+
 multiboot_dir=${libdir}/$(echo ${PACKAGE_TARNAME} | sed ${transform})/i386-multiboot
 coreboot_dir=${libdir}/$(echo ${PACKAGE_TARNAME} | sed ${transform})/i386-coreboot
 qemu_dir=${libdir}/$(echo ${PACKAGE_TARNAME} | sed ${transform})/i386-qemu
@@ -37,13 +39,14 @@ pc_dir=${libdir}/$(echo ${PACKAGE_TARNAME} | sed ${transform})/i386-pc
 efi32_dir=${libdir}/$(echo ${PACKAGE_TARNAME} | sed ${transform})/i386-efi
 efi64_dir=${libdir}/$(echo ${PACKAGE_TARNAME} | sed ${transform})/x86_64-efi
 rom_directory=
+override_dir=
 grub_mkimage=${bindir}/`echo grub-mkimage | sed ${transform}`
 
 # Usage: usage
 # Print the usage.
 usage () {
     cat <<EOF
-Usage: $0 [OPTION] SOURCE...
+Usage: $self [OPTION] SOURCE...
 Make GRUB rescue image.
 
   -h, --help              print this message and exit
@@ -53,7 +56,7 @@ Make GRUB rescue image.
   --rom-directory=DIR     save rom images in DIR [optional]
   --grub-mkimage=FILE     use FILE as grub-mkimage
 
-$0 generates a bootable rescue image with specified source files or directories.
+$self generates a bootable rescue image with specified source files or directories.
 
 Report bugs to <bug-grub@gnu.org>.
 EOF
@@ -66,7 +69,7 @@ for option in "$@"; do
 	usage
 	exit 0 ;;
     -v | --version)
-	echo "$0 (GNU GRUB ${PACKAGE_VERSION})"
+	echo "$self (${PACKAGE_NAME}) ${PACKAGE_VERSION}"
 	exit 0 ;;
     --modules=*)
 	modules=`echo "$option" | sed 's/--modules=//'` ;;

util/grub-reboot.in

@@ -22,6 +22,10 @@ transform="@program_transform_name@"
 prefix=@prefix@
 exec_prefix=@exec_prefix@
 bindir=@bindir@
+PACKAGE_NAME=@PACKAGE_NAME@
+PACKAGE_VERSION=@PACKAGE_VERSION@
+
+self=`basename $0`
 
 grub_editenv=${bindir}/`echo grub-editenv | sed ${transform}`
 rootdir=
@@ -30,7 +34,7 @@ rootdir=
 # Print the usage.
 usage () {
     cat <<EOF
-Usage: $0 [OPTION] entry
+Usage: $self [OPTION] entry
 Set the default boot entry for GRUB, for the next boot only.
 
   -h, --help              print this message and exit
@@ -51,7 +55,7 @@ for option in "$@"; do
 	usage
 	exit 0 ;;
     -v | --version)
-	echo "grub-reboot (GNU GRUB ${PACKAGE_VERSION})"
+	echo "$self (${PACKAGE_NAME}) ${PACKAGE_VERSION}"
 	exit 0 ;;
     --root-directory=*)
 	rootdir=`echo "$option" | sed 's/--root-directory=//'` ;;

util/grub-script-check.c

@@ -145,7 +145,8 @@ main (int argc, char *argv[])
   char *input;
   FILE *file = 0;
   int verbose = 0;
-  struct grub_script *script;
+  int found_input = 0;
+  struct grub_script *script = NULL;
 
   auto grub_err_t get_config_line (char **line, int cont);
   grub_err_t get_config_line (char **line, int cont __attribute__ ((unused)))
@@ -247,6 +248,7 @@ main (int argc, char *argv[])
       get_config_line(&input, 0);
       if (! input) 
 	break;
+      found_input = 1;
 
       script = grub_script_parse (input, get_config_line);
       if (script)
@@ -262,5 +264,5 @@ main (int argc, char *argv[])
   grub_fini_all ();
   if (file) fclose (file);
 
-  return (script == 0);
+  return (found_input && script == 0);
 }

util/grub-set-default.in

@@ -22,6 +22,10 @@ transform="@program_transform_name@"
 prefix=@prefix@
 exec_prefix=@exec_prefix@
 bindir=@bindir@
+PACKAGE_NAME=@PACKAGE_NAME@
+PACKAGE_VERSION=@PACKAGE_VERSION@
+
+self=`basename $0`
 
 grub_editenv=${bindir}/`echo grub-editenv | sed ${transform}`
 rootdir=
@@ -30,7 +34,7 @@ rootdir=
 # Print the usage.
 usage () {
     cat <<EOF
-Usage: $0 [OPTION] entry
+Usage: $self [OPTION] entry
 Set the default boot entry for GRUB.
 
   -h, --help              print this message and exit
@@ -51,7 +55,7 @@ for option in "$@"; do
 	usage
 	exit 0 ;;
     -v | --version)
-	echo "grub-set-default (GNU GRUB ${PACKAGE_VERSION})"
+	echo "$self (${PACKAGE_NAME}) ${PACKAGE_VERSION}"
 	exit 0 ;;
     --root-directory=*)
 	rootdir=`echo "$option" | sed 's/--root-directory=//'` ;;

util/grub.d/00_header.in

@@ -38,13 +38,31 @@ if [ "x${GRUB_DEFAULT}" = "xsaved" ] ; then GRUB_DEFAULT='${saved_entry}' ; fi
 if [ "x${GRUB_TIMEOUT}" = "x" ] ; then GRUB_TIMEOUT=5 ; fi
 if [ "x${GRUB_GFXMODE}" = "x" ] ; then GRUB_GFXMODE=640x480 ; fi
 
+if [ "x${GRUB_DEFAULT_BUTTON}" = "x" ] ; then GRUB_DEFAULT_BUTTON="$GRUB_DEFAULT" ; fi
+if [ "x${GRUB_DEFAULT_BUTTON}" = "xsaved" ] ; then GRUB_DEFAULT_BUTTON='${saved_entry}' ; fi
+if [ "x${GRUB_TIMEOUT_BUTTON}" = "x" ] ; then GRUB_TIMEOUT_BUTTON="$GRUB_TIMEOUT" ; fi
+
 cat << EOF
 if [ -s \$prefix/grubenv ]; then
   load_env
 fi
+EOF
+if [ "x$GRUB_BUTTON_CMOS_ADDRESS" != "x" ]; then
+    cat <<EOF
+if cmostest $GRUB_BUTTON_CMOS_ADDRESS ; then
+   set default="${GRUB_DEFAULT_BUTTON}"
+else
+   set default="${GRUB_DEFAULT}"
+fi
+EOF
+else
+    cat <<EOF
 set default="${GRUB_DEFAULT}"
-if [ \${prev_saved_entry} ]; then
+EOF
-  set saved_entry=\${prev_saved_entry}
+fi
+cat <<EOF
+if [ "\${prev_saved_entry}" ]; then
+  set saved_entry="\${prev_saved_entry}"
   save_env saved_entry
   set prev_saved_entry=
   save_env prev_saved_entry
@@ -52,8 +70,8 @@ if [ \${prev_saved_entry} ]; then
 fi
 
 function savedefault {
-  if [ -z \${boot_once} ]; then
+  if [ -z "\${boot_once}" ]; then
-    saved_entry=\${chosen}
+    saved_entry="\${chosen}"
     save_env saved_entry
   fi
 }
@@ -177,7 +195,7 @@ EOF
 esac
 
 # Gettext variables and module
-if [ "x${LANG}" != "xC" ] ; then
+if [ "x${LANG}" != "xC" ] && [ -d "${locale_dir}" ] ; then
     prepare_grub_to_access_device $(${grub_probe} --target=device ${locale_dir})
   cat << EOF
 set locale_dir=(\$root)$(make_system_path_relative_to_its_root ${locale_dir})
@@ -186,21 +204,36 @@ insmod gettext
 EOF
 fi
 
-if [ "x${GRUB_HIDDEN_TIMEOUT}" != "x" ] ; then
+make_timeout ()
+{
+    if [ "x${1}" != "x" ] ; then
 	if [ "x${GRUB_HIDDEN_TIMEOUT_QUIET}" = "xtrue" ] ; then
 	    verbose=
 	else
 	    verbose=" --verbose"
 	fi
 	cat << EOF
-if sleep$verbose --interruptible ${GRUB_HIDDEN_TIMEOUT} ; then
+if sleep$verbose --interruptible ${1} ; then
-  set timeout=${GRUB_TIMEOUT}
+  set timeout=${2}
 fi
 EOF
-else
+    else
 	cat << EOF
-set timeout=${GRUB_TIMEOUT}
+set timeout=${2}
 EOF
+    fi
+}
+
+if [ "x$GRUB_BUTTON_CMOS_ADDRESS" != "x" ]; then
+    cat <<EOF
+if cmostest $GRUB_BUTTON_CMOS_ADDRESS ; then
+EOF
+make_timeout "${GRUB_HIDDEN_TIMEOUT_BUTTON}" "${GRUB_TIMEOUT_BUTTON}"
+echo else
+make_timeout "${GRUB_HIDDEN_TIMEOUT}" "${GRUB_TIMEOUT}"
+echo fi
+else
+make_timeout "${GRUB_HIDDEN_TIMEOUT}" "${GRUB_TIMEOUT}"
 fi
 
 # Play an initial tune

util/i386/efi/grub-install.in

@@ -33,6 +33,8 @@ host_os=@host_os@
 pkglibdir=${libdir}/`echo ${PACKAGE_TARNAME}/${target_cpu}-${platform} | sed ${transform}`
 localedir=@datadir@/locale
 
+self=`basename $0`
+
 grub_mkimage=${bindir}/`echo grub-mkimage | sed ${transform}`
 grub_mkdevicemap=${sbindir}/`echo grub-mkdevicemap | sed ${transform}`
 grub_probe=${sbindir}/`echo grub-probe | sed ${transform}`
@@ -50,7 +52,7 @@ debug=no
 # Print the usage.
 usage () {
     cat <<EOF
-Usage: grub-install [OPTION]
+Usage: $self [OPTION]
 Install GRUB on your EFI partition.
 
   -h, --help              print this message and exit
@@ -64,7 +66,7 @@ Install GRUB on your EFI partition.
   --no-floppy             do not probe any floppy drive
   --recheck               probe a device map even if it already exists
 
-grub-install copies GRUB images into the DIR/boot directory specified by
+$self copies GRUB images into the DIR/boot directory specified by
 --root-directory.
 
 Report bugs to <bug-grub@gnu.org>.
@@ -78,7 +80,7 @@ for option in "$@"; do
 	usage
 	exit 0 ;;
     -v | --version)
-	echo "grub-install (GNU GRUB ${PACKAGE_VERSION})"
+	echo "$self (${PACKAGE_NAME}) ${PACKAGE_VERSION}"
 	exit 0 ;;
     --modules=*)
 	modules=`echo "$option" | sed 's/--modules=//'` ;;
@@ -219,7 +221,7 @@ $grub_mkimage -O ${target_cpu}-efi --output=${grubdir}/grub.efi $modules || exit
 echo "Installation finished. No error reported."
 echo "This is the contents of the device map $device_map."
 echo "Check if this is correct or not. If any of the lines is incorrect,"
-echo "fix it and re-run the script \`grub-install'."
+echo "fix it and re-run the script \`$self'."
 echo
 
 cat $device_map

util/i386/pc/grub-setup.c

@@ -126,8 +126,8 @@ setup (const char *dir,
       /* There's always an embed region, and it starts right after the MBR.  */
       embed_region.start = 1;
 
-      if (embed_region.end > p->start)
+      if (embed_region.end > grub_partition_get_start (p))
-	embed_region.end = p->start;
+	embed_region.end = grub_partition_get_start (p);
 
       return 0;
     }
@@ -147,8 +147,8 @@ setup (const char *dir,
       /* If there's an embed region, it is in a dedicated partition.  */
       if (! memcmp (&gptdata.type, &grub_gpt_partition_type_bios_boot, 16))
 	{
-	  embed_region.start = p->start;
+	  embed_region.start = grub_partition_get_start (p);
-	  embed_region.end = p->start + p->len;
+	  embed_region.end = grub_partition_get_start (p) + grub_partition_get_len (p);
 
 	  return 1;
 	}
@@ -361,7 +361,7 @@ setup (const char *dir,
   else
     grub_util_error (_("No DOS-style partitions found"));
 
-  if (embed_region.end == embed_region.start)
+  if (embed_region.end <= embed_region.start)
     {
       if (! strcmp (dest_partmap, "msdos"))
 	grub_util_warn (_("This msdos-style partition label has no post-MBR gap; embedding won't be possible!"));
@@ -702,7 +702,7 @@ main (int argc, char *argv[])
 	    break;
 
 	  case 'V':
-	    printf ("grub-setup (%s) %s\n", PACKAGE_NAME, PACKAGE_VERSION);
+	    printf ("%s (%s) %s\n", program_name, PACKAGE_NAME, PACKAGE_VERSION);
 	    return 0;
 
 	  case 'v':

util/ieee1275/grub-install.in

@@ -34,6 +34,8 @@ target_cpu=@target_cpu@
 platform=@platform@
 pkglibdir=${libdir}/`echo ${PACKAGE_TARNAME}/${target_cpu}-${platform} | sed ${transform}`
 
+self=`basename $0`
+
 grub_mkimage=${bindir}/`echo grub-mkimage | sed ${transform}`
 grub_mkdevicemap=${sbindir}/`echo grub-mkdevicemap | sed ${transform}`
 grub_probe=${sbindir}/`echo grub-probe | sed ${transform}`
@@ -53,7 +55,7 @@ nvsetenv=`which nvsetenv`
 # Print the usage.
 usage () {
     cat <<EOF
-Usage: grub-install [OPTION] [install_device]
+Usage: $self [OPTION] [install_device]
 Install GRUB on your drive.
 
   -h, --help              print this message and exit
@@ -66,7 +68,7 @@ Install GRUB on your drive.
   --grub-probe=FILE       use FILE as grub-probe
   --no-nvram              don't update the boot-device NVRAM variable
 
-grub-install copies GRUB images into the DIR/boot directory specified by
+$self copies GRUB images into the DIR/boot directory specified by
 --root-directory, and uses nvsetenv to set the Open Firmware boot-device
 variable.
 
@@ -81,7 +83,7 @@ for option in "$@"; do
 	usage
 	exit 0 ;;
     -v | --version)
-	echo "grub-install (GNU GRUB ${PACKAGE_VERSION})"
+	echo "$self (${PACKAGE_NAME}) ${PACKAGE_VERSION}"
 	exit 0 ;;
     --modules=*)
 	modules=`echo "$option" | sed 's/--modules=//'` ;;
@@ -231,7 +233,7 @@ fi
 echo "Installation finished. No error reported."
 echo "This is the contents of the device map $device_map."
 echo "Check if this is correct or not. If any of the lines is incorrect,"
-echo "fix it and re-run the script \`grub-install'."
+echo "fix it and re-run the script \`$self'."
 echo
 
 cat $device_map

util/misc.c

@@ -30,9 +30,6 @@
 #include <sys/time.h>
 #include <unistd.h>
 #include <time.h>
-#ifdef HAVE_LIMITS_H
-#include <limits.h>
-#endif
 
 #include <grub/kernel.h>
 #include <grub/dl.h>

util/powerpc/ieee1275/grub-mkrescue.in

@@ -30,13 +30,15 @@ target_cpu=@target_cpu@
 platform=@platform@
 pkglibdir=${libdir}/`echo ${PACKAGE_TARNAME}/${target_cpu}-${platform} | sed ${transform}`
 
+self=`basename $0`
+
 grub_mkimage=${bindir}/`echo grub-mkimage | sed ${transform}`
 
 # Usage: usage
 # Print the usage.
 usage () {
     cat <<EOF
-Usage: grub-mkrescue [OPTION] output_image
+Usage: $self [OPTION] output_image
 Make GRUB rescue image.
 
   -h, --help              print this message and exit
@@ -46,7 +48,7 @@ Make GRUB rescue image.
                           default: ${pkglibdir}
   --grub-mkimage=FILE     use FILE as grub-mkimage
 
-grub-mkimage generates a bootable rescue CD image for PowerMac and CHRP.
+$self generates a bootable rescue CD image for PowerMac and CHRP.
 
 Report bugs to <bug-grub@gnu.org>.
 EOF
@@ -61,7 +63,7 @@ for option in "$@"; do
 	usage
 	exit 0 ;;
     -v | --version)
-	echo "grub-mkrescue (GNU GRUB ${PACKAGE_VERSION})"
+	echo "$self (${PACKAGE_NAME}) ${PACKAGE_VERSION}"
 	exit 0 ;;
     --modules=*)
 	modules=`echo "$option" | sed 's/--modules=//'` ;;

util/sparc64/ieee1275/grub-setup.c

@@ -503,7 +503,7 @@ parse_options (struct grub_setup_info *gp, int argc, char *argv[])
 	    break;
 
 	  case 'V':
-	    printf ("grub-setup (%s) %s\n", PACKAGE_NAME, PACKAGE_VERSION);
+	    printf ("%s (%s) %s\n", program_name, PACKAGE_NAME, PACKAGE_VERSION);
 	    return 0;
 
 	  case 'v':