Just "packed" doesn't always pack the way we expect.

	Current code improperly assumes that both __bss_start and _end are
	aligned to 8-bytes. Eliminating this assumption and explicitly align
	modules.

	XEN PV environment and load kernels.

	in belief that RAM on SGI platforms grows down while in fact it
	grows up from an unusual base.

	corruption with big core on small memory systems. Document remaining
	limits.

	GRUB_DECOMPRESSOR_MAX_DECOMPRESSOR_SIZE.
	* grub-core/boot/i386/pc/startup_raw.S: Ensure about boot_dev
	location.
	* include/grub/offsets.h (GRUB_DECOMPRESSOR_I386_PC_BOOT_DEVICE): New
	definition.
	(GRUB_DECOMPRESSOR_I386_PC_MAX_DECOMPRESSOR_SIZE): Likewise.

	* grub-core/boot/i386/pc/lnxboot.S: Scan for multiboot signature
	rather than hardcoding the address.
	* grub-core/boot/i386/pc/startup_raw.S: Add new data field
	no_reed_solomon_length.
	Move gate_a20 to no-reed-solomon part.
	Don't force a particular size of no reed-solomon part.
	* include/grub/offsets.h (GRUB_KERNEL_I386_PC_NO_REED_SOLOMON_PART):
	Removed.
	(GRUB_KERNEL_I386_PC_NO_REED_SOLOMON_LENGTH): New define.
	* util/grub-setup.c (setup): Read no_rs_length from the image itself.

	non-RS part to avoid RS messing with GDT.
	* include/grub/offsets.h (GRUB_KERNEL_I386_PC_NO_REED_SOLOMON_PART):
	Increase to suit in realmode routines.

	* grub-core/boot/mips/startup_raw.S: Use GRUB_DECOMPRESSOR_*
	* include/grub/offsets.h: Rename decompressor fields from
	GRUB_KERNEL_* to GRUB_DECOMPRESSOR_*.
	* util/grub-mkimage.c (image_targets): Use new names.

	* grub-core/boot/i386/pc/lnxboot.S: Remove setting dos_part and
	bsd_part. setdevice has fallen into disuse.
	* grub-core/boot/i386/pc/startup_raw.S (dos_part): Removed.
	(bsd_part): Likewise.
	(boot_dev): New variable.
	(multiboot_trampoline): Don't parse multiboot device.
	Pass multiboot device in %edx.
	* grub-core/disk/i386/pc/biosdisk.c (GRUB_MOD_INIT): Parse
	grub_boot_device.
	* grub-core/kern/i386/pc/init.c (grub_machine_get_bootlocation):
	Likewise.
	* grub-core/kern/i386/pc/startup.S: Save edx.
	(grub_boot_drive): Removed.
	(grub_install_dos_part): Likewise.
	(grub_install_bsd_part): Likewise.
	(grub_boot_device): New variable.
	* include/grub/i386/pc/kernel.h (grub_install_dos_part): Removed.
	(grub_install_bsd_part): Likewise.
	(grub_boot_drive): Likewise.
	(grub_boot_device): New variable.
	* include/grub/offsets.h (GRUB_KERNEL_I386_PC_INSTALL_DOS_PART):
	Removed.
	(GRUB_KERNEL_I386_PC_INSTALL_BSD_PART): Likewise.
	(GRUB_KERNEL_I386_PC_REED_SOLOMON_REDUNDANCY): Moved lower.
	(GRUB_KERNEL_MACHINE_INSTALL_BSD_PART): Removed.
	(GRUB_KERNEL_MACHINE_INSTALL_DOS_PART): Likewise.
	* util/grub-install.in: Remove redundant condition.

	by 46 bytes but improves compatibility and maintainability.

	* grub-core/Makefile.core.def (lzma_decompress): New image.
	(kernel): Add i386_pc_ldflags.
	* grub-core/kern/i386/pc/startup.S: Move intial part to ..
	* grub-core/boot/i386/pc/startup_raw.S: ... here. Pass pointers
	to real_to_prot, prot_to_real and device info.
	* include/grub/offsets.h: Renamed decompressor offsets.
	* util/grub-mkimage.c (grub_compression_t): New cmpression lzma.
	(image_target_desc): Remove raw_size and rename decompressor fields.
	(compress_kernel): Handle lzma.
	(generate_image): Handle decompressors on i386-pc.

	save some space.
	* include/grub/offsets.h (GRUB_KERNEL_I386_PC_RAW_SIZE): Decrease.
	(GRUB_KERNEL_I386_PC_NO_REED_SOLOMON_PART): Likewise.

	* grub-core/kern/i386/coreboot/init.c (grub_machine_init): Use
	_edata and _start.
	* grub-core/kern/i386/coreboot/startup.S: Move multiboot header after
	the small code. It moves it only by few bytes but simplifies the code.
	* grub-core/kern/i386/pc/init.c (grub_machine_init): Use _edata and
	_start.
	* grub-core/kern/i386/pc/startup.S: Use _edata and _start.
	(grub_kernel_image_size): Removed.
	* grub-core/kern/i386/qemu/startup.S: Use _edata and _start.
	(grub_kernel_image_size): Removed.
	[APPLE_CC]: Remove apple compiler support. i386-qemu port can't be
	compiled with Apple toolchain.
	* grub-core/kern/sparc64/ieee1275/crt0.S: Remove leftover fields.
	* include/grub/i386/pc/kernel.h (grub_kernel_image_size): Removed.
	* include/grub/i386/qemu/kernel.h (grub_kernel_image_size): Removed.
	(grub_total_module_size): Likewise.
	* include/grub/offsets.h (GRUB_KERNEL_I386_PC_KERNEL_IMAGE_SIZE):
	Removed.
	(GRUB_KERNEL_I386_PC_COMPRESSED_SIZE): Put it lower.
	(GRUB_KERNEL_I386_PC_INSTALL_DOS_PART): Likewise.
	(GRUB_KERNEL_I386_PC_INSTALL_BSD_PART): Likewise.
	(GRUB_KERNEL_I386_PC_REED_SOLOMON_REDUNDANCY): Likewise.
	(GRUB_KERNEL_I386_QEMU_KERNEL_IMAGE_SIZE): Removed.
	(GRUB_KERNEL_SPARC64_IEEE1275_KERNEL_IMAGE_SIZE): Likewise.
	(GRUB_KERNEL_SPARC64_IEEE1275_COMPRESSED_SIZE): Likewise.
	* include/grub/sparc64/ieee1275/kernel.h (grub_kernel_image_size):
	Removed.
	(grub_total_module_size): Removed.
	* util/grub-mkimage.c (image_target_desc): Remove image_size.
	(image_targets): Likewise.
	Set .compressed_size to no field on sparc.
	(generate_image): Remove kernel_image_size handling.

	some space.

	* grub-core/kern/emu/main.c (grub_prefix): Removed.
	* grub-core/kern/i386/coreboot/startup.S (grub_prefix): Likewise.
	* grub-core/kern/i386/efi/startup.S (grub_prefix): Likewise.
	* grub-core/kern/i386/ieee1275/startup.S (grub_prefix): Likewise.
	* grub-core/kern/i386/pc/startup.S (grub_prefix): Likewise.
	* grub-core/kern/i386/qemu/startup.S (grub_prefix): Likewise.
	* grub-core/kern/ia64/efi/startup.S (grub_prefix): Likewise.
	* grub-core/kern/mips/startup.S (grub_prefix): Likewise.
	* grub-core/kern/powerpc/ieee1275/startup.S (grub_prefix): Likewise.
	* grub-core/kern/sparc64/ieee1275/crt0.S (grub_prefix): Likewise.
	* grub-core/kern/x86_64/efi/startup.S (grub_prefix): Likewise.
	* include/grub/ia64/efi/kernel.h: Removed.
	* include/grub/kernel.h: New module type OBJ_TYPE_PREFIX.
	(grub_prefix): Removed.
	* include/grub/offsets.h (GRUB_KERNEL_I386_PC_PREFIX): Removed.
	(GRUB_KERNEL_I386_PC_PREFIX_END): Likewise.
	(GRUB_KERNEL_I386_QEMU_PREFIX): Likewise.
	(GRUB_KERNEL_I386_QEMU_PREFIX_END): Likewise.
	(GRUB_KERNEL_SPARC64_IEEE1275_PREFIX): Likewise.
	(GRUB_KERNEL_SPARC64_IEEE1275_PREFIX_END): Likewise.
	(GRUB_KERNEL_POWERPC_IEEE1275_PREFIX): Likewise.
	(GRUB_KERNEL_POWERPC_IEEE1275_PREFIX_END): Likewise.
	(GRUB_KERNEL_MIPS_LOONGSON_PREFIX): Likewise.
	(GRUB_KERNEL_MIPS_LOONGSON_PREFIX_END): Likewise.
	(GRUB_KERNEL_MIPS_QEMU_MIPS_PREFIX): Likewise.
	(GRUB_KERNEL_MIPS_QEMU_MIPS_PREFIX_END): Likewise.
	(GRUB_KERNEL_MIPS_ARC_PREFIX): Likewise.
	(GRUB_KERNEL_MIPS_ARC_PREFIX_END): Likewise.
	(GRUB_KERNEL_I386_EFI_PREFIX): Likewise.
	(GRUB_KERNEL_I386_EFI_PREFIX_END): Likewise.
	(GRUB_KERNEL_IA64_EFI_PREFIX): Likewise.
	(GRUB_KERNEL_IA64_EFI_PREFIX_END): Likewise.
	(GRUB_KERNEL_X86_64_EFI_PREFIX): Likewise.
	(GRUB_KERNEL_X86_64_EFI_PREFIX_END): Likewise.
	(GRUB_KERNEL_I386_COREBOOT_PREFIX): Likewise.
	(GRUB_KERNEL_I386_COREBOOT_PREFIX_END): Likewise.
	(GRUB_KERNEL_I386_MULTIBOOT_PREFIX): Likewise.
	(GRUB_KERNEL_I386_MULTIBOOT_PREFIX_END): Likewise.
	(GRUB_KERNEL_I386_IEEE1275_PREFIX): Likewise.
	(GRUB_KERNEL_I386_IEEE1275_PREFIX_END): Likewise.
	(GRUB_KERNEL_MACHINE_PREFIX): Likewise.
	(GRUB_KERNEL_MACHINE_PREFIX_END): Likewise.
	* grub-core/kern/main.c (grub_set_prefix_and_root): Retrieve grub_prefix
	from module.
	* util/grub-mkimage.c (image_target_desc): Removed prefix and
	prefix_end.
	(image_targets): Likewise.
	(generate_image): Put prefix as a module.

	as opposed to after.

	* grub-core/Makefile.core.def (kernel): Increase linking address.
	(none_decompress): Likewise.
	(xz_decompress): Likewise.
	* grub-core/boot/mips/startup_raw.S: Use prewritten uncompression
	address.
	* grub-core/kern/mips/arc/init.c (grub_machine_init): Handle memory
	layout change.
	(grub_arch_modules_addr): New function.
	* grub-core/kern/mips/init.c (grub_arch_modules_addr): Moved from here...
	* grub-core/kern/mips/loongson/init.c (grub_arch_modules_addr): .. here
	* grub-core/kern/mips/qemu_mips/init.c (grub_arch_modules_addr): ... and
	here.
	* grub-core/kern/mips/startup.S (total_size): Rename to ...
	(grub_total_modules_size): ... this. Make global.
	[GRUB_MACHINE_ARC]: Don't attempt to move modules out of the bss.
	* include/grub/offsets.h (GRUB_KERNEL_MIPS_LOONGSON_UNCOMPRESSED_ADDR):
	New definition.
	(GRUB_KERNEL_MIPS_QEMU_MIPS_UNCOMPRESSED_ADDR): Likewise.
	(GRUB_KERNEL_MIPS_ARC_UNCOMPRESSED_ADDR): Likewise.
	(GRUB_KERNEL_MACHINE_UNCOMPRESSED_ADDR): Likewise.
	(GRUB_KERNEL_MIPS_ARC_LINK_ADDR): Increased.
	* util/grub-mkimage.c (image_target_desc): New flag
	PLATFORM_FLAGS_MODULES_BEFORE_KERNEL.
	(image_targets): Set PLATFORM_FLAGS_MODULES_BEFORE_KERNEL on mips-arc.
	(generate_image): Handle images with modules before kernel.

	space for older compilers.
	(GRUB_KERNEL_I386_PC_NO_REED_SOLOMON_PART): Likewise.

previous patch increased the size of the RS code by 20 bytes (at
least with gcc-4.4), so increase this by 20 bytes to match.
(GRUB_KERNEL_I386_PC_NO_REED_SOLOMON_PART): Likewise.

	* acinclude.m4 (HAVE_ASM_USCORE): Transformed into a variable.
	(ADDR32): Likewise.
	(DATA32): Likewise.
	(BSS_START_SYMBOL): Likewise.
	(END_SYMBOL): Likewise.
	(NEED_ENABLE_EXECUTE_STACK): Likewise. All users updated.
	(grub_I386_ASM_ABSOLUTE_WITHOUT_ASTERISK): Removed.
	* config.h.in: New file.
	* configure.ac: Use config-util.h as config define file.
	Rename MACHINE into GRUB_MACHINE. All users updated.
	(NEED_REGISTER_FRAME_INFO): Transformed into a variable. All users
	updated.
	(NESTED_FUNC_ATTR): Likewise.
	Substitue new variables.
	(COND_HAVE_ASM_USCORE): New conditional.
	* grub-core/Makefile.am (ASM_PREFIX): New variable.
	(kernel_syms.lst): Use ASM_PREFIX.
	* grub-core/kern/emu/console.c: Include config-util.h.
	* grub-core/kern/emu/misc.c: Likewise.
	* grub-core/kern/emu/mm.c: Likewise.
	* include/grub/emu/misc.h: Likewise.
	* include/grub/libgcc.h: Likewise.

	* grub-core/boot/i386/pc/lnxboot.S: Use
	GRUB_KERNEL_I386_PC_MULTIBOOT_SIGNATURE.
	* grub-core/kern/i386/pc/startup.S: Move grub_prefix to compressed part.
	* include/grub/offsets.h: Rename GRUB_MACHINE_DATA_END to
	GRUB_MACHINE_PREFIX_END. All users updated.
	(GRUB_KERNEL_I386_PC_PREFIX): Set to GRUB_KERNEL_I386_PC_RAW_SIZE.
	(GRUB_KERNEL_I386_PC_PREFIX_END): Set to GRUB_KERNEL_I386_PC_PREFIX
	+ 0x40.
	(GRUB_KERNEL_I386_PC_RAW_SIZE): Decrease.
	* util/grub-mkimage.c (image_target_desc): Change data_end to
	prefix_end. All users updated.