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| author | Paul Mundt <lethal@linux-sh.org> | 2009-07-11 13:30:38 -0400 |
|---|---|---|
| committer | Paul Mundt <lethal@linux-sh.org> | 2009-07-11 13:30:38 -0400 |
| commit | b14c6d428a54fb3235e69fd78fba9080c96645be (patch) | |
| tree | e10ffca9b1ad628155d340dd020335e71775efa7 | |
| parent | 07e88e1bfc128681a80578724fde6a872f413862 (diff) | |
| download | talos-obmc-linux-b14c6d428a54fb3235e69fd78fba9080c96645be.tar.gz talos-obmc-linux-b14c6d428a54fb3235e69fd78fba9080c96645be.zip | |
sh: Consolidate the sh64 changes in arch/sh/boot/compressed/misc_32.c
This makes some minor changes to misc_32.c so that it can be used by
sh64.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
| -rw-r--r-- | arch/sh/boot/compressed/misc_32.c | 17 |
1 files changed, 14 insertions, 3 deletions
diff --git a/arch/sh/boot/compressed/misc_32.c b/arch/sh/boot/compressed/misc_32.c index b86e3596918b..4eb27e61f8e3 100644 --- a/arch/sh/boot/compressed/misc_32.c +++ b/arch/sh/boot/compressed/misc_32.c @@ -26,7 +26,10 @@ #undef memcpy #define memzero(s, n) memset ((s), 0, (n)) -static void error(char *m); +/* cache.c */ +#define CACHE_ENABLE 0 +#define CACHE_DISABLE 1 +int cache_control(unsigned int command); extern char input_data[]; extern int input_len; @@ -111,9 +114,15 @@ static void error(char *x) while(1); /* Halt */ } +#ifdef CONFIG_SUPERH64 +#define stackalign 8 +#else +#define stackalign 4 +#endif + #define STACK_SIZE (4096) -long user_stack [STACK_SIZE]; -long* stack_start = &user_stack[STACK_SIZE]; +long __attribute__ ((aligned(stackalign))) user_stack[STACK_SIZE]; +long *stack_start = &user_stack[STACK_SIZE]; void decompress_kernel(void) { @@ -129,6 +138,8 @@ void decompress_kernel(void) free_mem_end_ptr = free_mem_ptr + HEAP_SIZE; puts("Uncompressing Linux... "); + cache_control(CACHE_ENABLE); decompress(input_data, input_len, NULL, NULL, output, NULL, error); + cache_control(CACHE_DISABLE); puts("Ok, booting the kernel.\n"); } |
