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Support xz compression on yeeloong.

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* Makefile.util.def (grub-mkimage): Add $(LIBLZMA).
	* configure.ac: Check for LZMA.
	* grub-core/Makefile.core.def (xz_decompress): New target.
	(none_decompress): Likewise.
	* grub-core/boot/decompressor/minilib.c: New file.
	* grub-core/boot/decompressor/none.c: Likewise.
	* grub-core/boot/decompressor/xz.c: Likewise.
	* grub-core/kern/mips/cache.S: Change to noreorder nomacro.
	* grub-core/kern/mips/cache_flush.S: Likewise.
	* grub-core/kern/i386/pc/lzma_decode.S: Remove dead code.
	* grub-core/kern/mips/startup.S: Move first stage to ...
	* grub-core/boot/mips/startup_raw.S: ...here. Change to noreorder
	nomacro.
	* grub-core/kern/mips/startup.S: Change to noreorder nomacro.
	* grub-core/lib/mips/relocator_asm.S: Change to noreorder nomacro.
	* grub-core/lib/xzembed/xz_dec_bcj.c [GRUB_EMBED_DECOMPRESSOR]:
	Allocate statically.
	* grub-core/lib/xzembed/xz_dec_lzma2.c [GRUB_EMBED_DECOMPRESSOR]:
	Allocate statically or use scratch. Don't check CRC32.
	* grub-core/lib/xzembed/xz_dec_stream.c [GRUB_EMBED_DECOMPRESSOR]:
	Allocate statically. Don't check CRC32.
	* include/grub/decompressor.h: New file.
	* include/grub/offsets.h (GRUB_KERNEL_MIPS_YEELOONG_RAW_SIZE):
	Removed.
	(GRUB_KERNEL_MIPS_YEELOONG_UNCOMPRESSED_SIZE): New field.
	(GRUB_KERNEL_MIPS_YEELOONG_TOTAL_MODULE_SIZE): Adjusted.
	(GRUB_KERNEL_MIPS_YEELOONG_PREFIX): Likewise.
	(GRUB_KERNEL_MIPS_YEELOONG_PREFIX_END): Likewise.
	(GRUB_KERNEL_MACHINE_UNCOMPRESSED_SIZE): New define.
	* util/grub-mkimage.c (grub_compression_t): New type.
	(PLATFORM_FLAGS_DECOMPRESSORS): New flag.
	(image_target_desc): New field default_compression.
	(image_targets): Adjust yeeloong targets.
	(compress_kernel_xz) [HAVE_LIBLZMA]: New function.
	(compress_kernel): New parameter comp.
	(generate_image): Likewise. Handle new compression case.
	(options): New option --compression
	(help): Likewise.
	(main): Handle new option.
This commit is contained in:
Vladimir 'phcoder' Serbinenko 2010-09-23 02:10:44 +02:00
commit 6d0fa83c79
19 changed files with 812 additions and 233 deletions
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34
include/grub/decompressor.h Normal file
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@ -0,0 +1,34 @@
/*
* 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_DECOMPRESSOR_HEADER
#define GRUB_DECOMPRESSOR_HEADER 1
void
grub_decompress_core (void *src, void *dst, unsigned long srcsize,
unsigned long dstsize);
void
find_scratch (void *src, void *dst, unsigned long srcsize,
unsigned long dstsize);
#define GRUB_DECOMPRESSOR_DICT_SIZE (1 << 16)
extern void *grub_decompressor_scratch;
#endif

12
include/grub/offsets.h
View file

@ -102,13 +102,12 @@
#define GRUB_KERNEL_MIPS_YEELOONG_LINK_ALIGN 32
#define GRUB_KERNEL_MIPS_YEELOONG_RAW_SIZE 0x200
#define GRUB_KERNEL_MIPS_YEELOONG_COMPRESSED_SIZE 0x8
#define GRUB_KERNEL_MIPS_YEELOONG_TOTAL_MODULE_SIZE 0xc
#define GRUB_KERNEL_MIPS_YEELOONG_KERNEL_IMAGE_SIZE 0x10
#define GRUB_KERNEL_MIPS_YEELOONG_COMPRESSED_SIZE 0x8
#define GRUB_KERNEL_MIPS_YEELOONG_UNCOMPRESSED_SIZE 0xc
#define GRUB_KERNEL_MIPS_YEELOONG_PREFIX GRUB_KERNEL_MIPS_YEELOONG_RAW_SIZE
#define GRUB_KERNEL_MIPS_YEELOONG_PREFIX_END GRUB_KERNEL_MIPS_YEELOONG_RAW_SIZE + 0x48
#define GRUB_KERNEL_MIPS_YEELOONG_TOTAL_MODULE_SIZE 0x08
#define GRUB_KERNEL_MIPS_YEELOONG_PREFIX 0x0c
#define GRUB_KERNEL_MIPS_YEELOONG_PREFIX_END 0x54
/* The offset of GRUB_PREFIX. */
#define GRUB_KERNEL_I386_EFI_PREFIX 0x8
@ -158,6 +157,7 @@
#define GRUB_KERNEL_MACHINE_TOTAL_MODULE_SIZE GRUB_OFFSETS_CONCAT (GRUB_KERNEL_, GRUB_MACHINE, _TOTAL_MODULE_SIZE)
#define GRUB_KERNEL_MACHINE_KERNEL_IMAGE_SIZE GRUB_OFFSETS_CONCAT (GRUB_KERNEL_, GRUB_MACHINE, _KERNEL_IMAGE_SIZE)
#define GRUB_KERNEL_MACHINE_COMPRESSED_SIZE GRUB_OFFSETS_CONCAT (GRUB_KERNEL_, GRUB_MACHINE, _COMPRESSED_SIZE)
#define GRUB_KERNEL_MACHINE_UNCOMPRESSED_SIZE GRUB_OFFSETS_CONCAT (GRUB_KERNEL_, GRUB_MACHINE, _UNCOMPRESSED_SIZE)
#define GRUB_KERNEL_MACHINE_PREFIX GRUB_OFFSETS_CONCAT (GRUB_KERNEL_, GRUB_MACHINE, _PREFIX)
#define GRUB_KERNEL_MACHINE_PREFIX_END GRUB_OFFSETS_CONCAT (GRUB_KERNEL_, GRUB_MACHINE, _PREFIX_END)