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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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32
grub-core/Makefile.core.def
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@ -290,6 +290,38 @@ image = {
enable = i386_pc;
};
image = {
name = xz_decompress;
mips = boot/mips/startup_raw.S;
common = boot/decompressor/minilib.c;
common = boot/decompressor/xz.c;
common = lib/xzembed/xz_dec_bcj.c;
common = lib/xzembed/xz_dec_lzma2.c;
common = lib/xzembed/xz_dec_stream.c;
cppflags = '-I$(srcdir)/lib/posix_wrap -I$(srcdir)/lib/xzembed';
mips_cppflags = '-I$(srcdir)/lib/posix_wrap -I$(srcdir)/lib/xzembed -DGRUB_EMBED_DECOMPRESSOR=1 -DGRUB_MACHINE_LINK_ADDR=0x80200000';
objcopyflags = '-O binary';
ldflags = '-lgcc -static-libgcc -Wl,-Ttext,0x80100000';
cflags = '-static-libgcc';
enable = mips;
};
image = {
name = none_decompress;
mips = boot/mips/startup_raw.S;
common = boot/decompressor/none.c;
mips_cppflags = '-DGRUB_EMBED_DECOMPRESSOR=1 -DGRUB_MACHINE_LINK_ADDR=0x80200000';
objcopyflags = '-O binary';
ldflags = '-lgcc -static-libgcc -Wl,-Ttext,0x80100000';
cflags = '-static-libgcc';
enable = mips;
};
image = {
name = fwstart;
mips_yeeloong = boot/mips/yeeloong/fwstart.S;