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| author | H. Peter Anvin <hpa@linux.intel.com> | 2014-01-29 09:07:00 -0800 |
|---|---|---|
| committer | H. Peter Anvin <hpa@linux.intel.com> | 2014-01-29 09:07:00 -0800 |
| commit | 4064e0ea3c0e9427e6c22392c4b69b4bfa1b7125 (patch) | |
| tree | 888b52771f540552a9dc85521d8dddf66eba9aeb /arch/x86/boot/compressed/misc.c | |
| parent | 9b3965f7401b0cc3ed2c228085a4c13b1c9243b1 (diff) | |
| parent | f4bcd8ccddb02833340652e9f46f5127828eb79d (diff) | |
| download | op-kernel-dev-4064e0ea3c0e9427e6c22392c4b69b4bfa1b7125.zip op-kernel-dev-4064e0ea3c0e9427e6c22392c4b69b4bfa1b7125.tar.gz | |
Merge commit 'f4bcd8ccddb02833340652e9f46f5127828eb79d' into x86/build
Bring in upstream merge of x86/kaslr for future patches.
Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
Diffstat (limited to 'arch/x86/boot/compressed/misc.c')
| -rw-r--r-- | arch/x86/boot/compressed/misc.c | 18 |
1 files changed, 8 insertions, 10 deletions
diff --git a/arch/x86/boot/compressed/misc.c b/arch/x86/boot/compressed/misc.c index 434f077..196eaf3 100644 --- a/arch/x86/boot/compressed/misc.c +++ b/arch/x86/boot/compressed/misc.c @@ -112,14 +112,8 @@ struct boot_params *real_mode; /* Pointer to real-mode data */ void *memset(void *s, int c, size_t n); void *memcpy(void *dest, const void *src, size_t n); -#ifdef CONFIG_X86_64 -#define memptr long -#else -#define memptr unsigned -#endif - -static memptr free_mem_ptr; -static memptr free_mem_end_ptr; +memptr free_mem_ptr; +memptr free_mem_end_ptr; static char *vidmem; static int vidport; @@ -395,7 +389,7 @@ static void parse_elf(void *output) free(phdrs); } -asmlinkage void decompress_kernel(void *rmode, memptr heap, +asmlinkage void *decompress_kernel(void *rmode, memptr heap, unsigned char *input_data, unsigned long input_len, unsigned char *output, @@ -422,6 +416,10 @@ asmlinkage void decompress_kernel(void *rmode, memptr heap, free_mem_ptr = heap; /* Heap */ free_mem_end_ptr = heap + BOOT_HEAP_SIZE; + output = choose_kernel_location(input_data, input_len, + output, output_len); + + /* Validate memory location choices. */ if ((unsigned long)output & (MIN_KERNEL_ALIGN - 1)) error("Destination address inappropriately aligned"); #ifdef CONFIG_X86_64 @@ -441,5 +439,5 @@ asmlinkage void decompress_kernel(void *rmode, memptr heap, parse_elf(output); handle_relocations(output, output_len); debug_putstr("done.\nBooting the kernel.\n"); - return; + return output; } |
