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allow to boot with an uncompressed kernel

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This commit is contained in:
Laurent Vivier 2004-12-25 01:35:31 +00:00
parent 208344ca0d
commit 01cf507368
1 changed files with 39 additions and 21 deletions
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60
second/main.c
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@ -76,24 +76,6 @@ int start(emile_l2_header_t* info)
printf("User forces gestalt ID to %ld\n", machine_id);
}
/* load kernel */
printf("vmlinux %s\n", info->command_line);
#ifdef SCSI_SUPPORT
info->kernel_image_offset = (unsigned long)info->kernel_image_offset + (unsigned long)info;
#endif
printf("Kernel image size is %d Bytes\n", info->kernel_image_size);
kernel_image_start = (unsigned long)malloc_contiguous(
info->kernel_image_size + 4);
kernel_image_start = (kernel_image_start + 3) & 0xFFFFFFFC;
printf("Kernel image base at 0x%lx\n", kernel_image_start);
printf("Loading kernel...\n");
ret = load_image((unsigned long)info->kernel_image_offset,
info->kernel_image_size, (char*)kernel_image_start);
if (ret == -1)
error("Cannot load kernel image\n");
/* where is mapped my boot function ? */
if (mmu_type == gestalt68040MMU)
@ -109,13 +91,49 @@ int start(emile_l2_header_t* info)
disable_cache = MMU030_disable_cache;
}
/* load kernel */
printf("vmlinux %s\n", info->command_line);
#ifdef SCSI_SUPPORT
info->kernel_image_offset = (unsigned long)info->kernel_image_offset + (unsigned long)info;
#endif
printf("Kernel image size is %d Bytes\n", info->kernel_image_size);
/* allocate memory for kernel */
if (info->kernel_size == 0) /* means uncompressed */
kernel_image_start = (unsigned long)malloc_contiguous(
info->kernel_image_size +
BI_ALLOC_SIZE +
end_enter_kernel - enter_kernel + 4);
else
kernel_image_start = (unsigned long)malloc_contiguous(
info->kernel_image_size + 4);
kernel_image_start = (kernel_image_start + 3) & 0xFFFFFFFC;
printf("Kernel image base at 0x%lx\n", kernel_image_start);
/* load kernel */
printf("Loading kernel...\n");
ret = load_image((unsigned long)info->kernel_image_offset,
info->kernel_image_size, (char*)kernel_image_start);
if (ret == -1)
error("Cannot load kernel image\n");
/* uncompress kernel if needed */
if (info->kernel_image_size == 0)
error("Kernel is missing !!!!\n");
else if (info->kernel_size == 0)
{
/* kernel is not compressed, execute in place */
kernel = (char*)kernel_image_start;
uncompressed_size = info->kernel_image_size;
}
else
{
if (info->kernel_size == 0)
info->kernel_size = info->kernel_image_size * 3;
/* add KERNEL_ALIGN if we have to align
* and BI_ALLOC_SIZE for bootinfo
*/