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asm part for mips decompressor

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This commit is contained in:
Vladimir 'phcoder' Serbinenko 2010-09-21 10:14:08 +02:00
parent 3197c86ba8
commit c5b4cd370e
8 changed files with 278 additions and 146 deletions
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51
util/grub-mkimage.c
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@ -248,13 +248,13 @@ struct image_target_desc image_targets[] =
.voidp_sizeof = 4,
.bigendian = 0,
.id = IMAGE_YEELOONG_FLASH,
.flags = PLATFORM_FLAGS_NONE,
.flags = PLATFORM_FLAGS_LZMA,
.prefix = GRUB_KERNEL_MIPS_YEELOONG_PREFIX,
.prefix_end = GRUB_KERNEL_MIPS_YEELOONG_PREFIX_END,
.raw_size = GRUB_KERNEL_MIPS_YEELOONG_RAW_SIZE,
.raw_size = 0,
.total_module_size = GRUB_KERNEL_MIPS_YEELOONG_TOTAL_MODULE_SIZE,
.compressed_size = GRUB_KERNEL_MIPS_YEELOONG_COMPRESSED_SIZE,
.kernel_image_size = GRUB_KERNEL_MIPS_YEELOONG_KERNEL_IMAGE_SIZE,
.compressed_size = TARGET_NO_FIELD,
.kernel_image_size = TARGET_NO_FIELD,
.section_align = 1,
.vaddr_offset = 0,
.install_dos_part = TARGET_NO_FIELD,
@ -268,13 +268,13 @@ struct image_target_desc image_targets[] =
.voidp_sizeof = 4,
.bigendian = 0,
.id = IMAGE_YEELOONG_ELF,
.flags = PLATFORM_FLAGS_NONE,
.flags = PLATFORM_FLAGS_LZMA,
.prefix = GRUB_KERNEL_MIPS_YEELOONG_PREFIX,
.prefix_end = GRUB_KERNEL_MIPS_YEELOONG_PREFIX_END,
.raw_size = GRUB_KERNEL_MIPS_YEELOONG_RAW_SIZE,
.raw_size = 0,
.total_module_size = GRUB_KERNEL_MIPS_YEELOONG_TOTAL_MODULE_SIZE,
.compressed_size = GRUB_KERNEL_MIPS_YEELOONG_COMPRESSED_SIZE,
.kernel_image_size = GRUB_KERNEL_MIPS_YEELOONG_KERNEL_IMAGE_SIZE,
.compressed_size = TARGET_NO_FIELD,
.kernel_image_size = TARGET_NO_FIELD,
.section_align = 1,
.vaddr_offset = 0,
.install_dos_part = TARGET_NO_FIELD,
@ -680,6 +680,41 @@ generate_image (const char *dir, char *prefix, FILE *out, char *mods[],
= grub_host_to_target32 (-2);
}
if (image_target->id == IMAGE_YEELOONG_FLASH
|| image_target->id == IMAGE_YEELOONG_ELF)
{
char *full_img;
size_t full_size;
char *decompress_path, *decompress_img;
size_t decompress_size;
decompress_path = grub_util_get_path (dir, "decompress.img");
decompress_size = grub_util_get_image_size (decompress_path);
decompress_img = grub_util_read_image (decompress_path);
*((grub_uint32_t *) (decompress_img + GRUB_KERNEL_MIPS_YEELOONG_COMPRESSED_SIZE))
= grub_host_to_target32 (core_size);
*((grub_uint32_t *) (decompress_img + GRUB_KERNEL_MIPS_YEELOONG_UNCOMPRESSED_SIZE))
= grub_host_to_target32 (kernel_size + total_module_size);
full_size = core_size + decompress_size;
full_img = xmalloc (full_size);
memset (full_img, 0, full_size);
memcpy (full_img, decompress_img, decompress_size);
memcpy (full_img + decompress_size, core_img, core_size);
memset (full_img + decompress_size + core_size, 0,
full_size - (decompress_size + core_size));
free (core_img);
core_img = full_img;
core_size = full_size;
}
switch (image_target->id)
{
case IMAGE_I386_PC: