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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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3
grub-core/kern/i386/pc/init.c
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@ -156,8 +156,7 @@ grub_machine_init (void)
int grub_lower_mem;
#endif
grub_modbase = GRUB_MEMORY_MACHINE_DECOMPRESSION_ADDR
+ ((_edata - _start) - GRUB_KERNEL_MACHINE_RAW_SIZE);
grub_modbase = GRUB_MEMORY_MACHINE_DECOMPRESSION_ADDR + (_edata - _start);
/* Initialize the console as early as possible. */
grub_console_init ();