From: Daniel Schwierzeck Date: Thu, 9 May 2013 15:10:06 +0000 (+0200) Subject: MIPS: bootm: optimize kernel entry call X-Git-Tag: v2013.10-rc1~34^2~6 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=c4b37847d3f8f98335253bd0e7aeee3ba141b237;p=platform%2Fkernel%2Fu-boot.git MIPS: bootm: optimize kernel entry call Fix signature of kernel entry function. Mark the kernel entry with __noreturn for better code optimisation. Signed-off-by: Daniel Schwierzeck --- diff --git a/arch/mips/lib/bootm.c b/arch/mips/lib/bootm.c index e7aa11a..692f7dc 100644 --- a/arch/mips/lib/bootm.c +++ b/arch/mips/lib/bootm.c @@ -69,20 +69,17 @@ static void boot_prep_linux(bootm_headers_t *images) static void boot_jump_linux(bootm_headers_t *images) { - void (*theKernel) (int, char **, char **, int *); + typedef void __noreturn (*kernel_entry_t)(int, ulong, ulong, ulong); + kernel_entry_t kernel = (kernel_entry_t) images->ep; - /* find kernel entry point */ - theKernel = (void (*)(int, char **, char **, int *))images->ep; - - debug("## Transferring control to Linux (at address %08lx) ...\n", - (ulong) theKernel); + debug("## Transferring control to Linux (at address %p) ...\n", kernel); bootstage_mark(BOOTSTAGE_ID_RUN_OS); /* we assume that the kernel is in place */ printf("\nStarting kernel ...\n\n"); - theKernel(linux_argc, linux_argv, linux_env, 0); + kernel(linux_argc, (ulong)linux_argv, (ulong)linux_env, 0); } int do_bootm_linux(int flag, int argc, char * const argv[],