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MIPS: bootm: optimize kernel entry call

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Fix signature of kernel entry function. Mark the kernel entry
with __noreturn for better code optimisation.

Signed-off-by: Daniel Schwierzeck <daniel.schwierzeck@gmail.com>
This commit is contained in:
Daniel Schwierzeck 2013-05-09 17:10:06 +02:00
parent 45bde489e3
commit c4b37847d3
1 changed files with 4 additions and 7 deletions
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11
arch/mips/lib/bootm.c
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@ -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[],