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Use decompressors framework on i386-pc. It increases core size

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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.
This commit is contained in:
Vladimir 'phcoder' Serbinenko 2011-11-12 19:53:25 +01:00
parent e9d3421c05
commit 60240b8bc1
12 changed files with 601 additions and 486 deletions
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11
grub-core/Makefile.core.def
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@ -34,7 +34,7 @@ kernel = {
ia64_efi_stripflags = '--strip-unneeded -K start -R .note -R .comment';
i386_pc_ldflags = '$(TARGET_IMG_LDFLAGS)';
i386_pc_ldflags = '$(TARGET_IMG_BASE_LDOPT),0x8200';
i386_pc_ldflags = '$(TARGET_IMG_BASE_LDOPT),0x9000';
i386_qemu_ldflags = '$(TARGET_IMG_LDFLAGS)';
i386_qemu_ldflags = '$(TARGET_IMG_BASE_LDOPT),0x8200';
@ -356,6 +356,15 @@ image = {
enable = mips;
};
image = {
name = lzma_decompress;
i386_pc = boot/i386/pc/startup_raw.S;
objcopyflags = '-O binary';
ldflags = '-Wl,-Ttext,0x8200';
enable = i386_pc;
};
image = {
name = fwstart;
mips_loongson = boot/mips/loongson/fwstart.S;