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MIPS: bootm.c: separate linux jump code 

Move the actual jump code into a separate function.
This make the code reusable for bootm subcommands.

Signed-off-by: Gabor Juhos <juhosg@openwrt.org>
Cc: Daniel Schwierzeck <daniel.schwierzeck@googlemail.com>
This commit is contained in:
Gabor Juhos 2013-01-07 02:53:40 +00:00 committed by Daniel Schwierzeck
parent 75a279c8f2
commit e08634c7bf
1 changed files with 19 additions and 13 deletions
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32
arch/mips/lib/bootm.c
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@ -43,10 +43,27 @@ static int linux_env_idx;
static void linux_params_init(ulong start, char *commandline);
static void linux_env_set(char *env_name, char *env_val);
static void boot_jump_linux(bootm_headers_t *images)
{
void (*theKernel) (int, char **, char **, int *);
/* find kernel entry point */
theKernel = (void (*)(int, char **, char **, int *))images->ep;
debug("## Transferring control to Linux (at address %08lx) ...\n",
(ulong) theKernel);
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);
}
int do_bootm_linux(int flag, int argc, char * const argv[],
bootm_headers_t *images)
{
void (*theKernel) (int, char **, char **, int *);
char *commandline = getenv("bootargs");
char env_buf[12];
char *cp;
@ -54,14 +71,6 @@ int do_bootm_linux(int flag, int argc, char * const argv[],
if ((flag != 0) && (flag != BOOTM_STATE_OS_GO))
return 1;
/* find kernel entry point */
theKernel = (void (*)(int, char **, char **, int *))images->ep;
bootstage_mark(BOOTSTAGE_ID_RUN_OS);
debug("## Transferring control to Linux (at address %08lx) ...\n",
(ulong) theKernel);
linux_params_init(UNCACHED_SDRAM(gd->bd->bi_boot_params), commandline);
#ifdef CONFIG_MEMSIZE_IN_BYTES
@ -95,10 +104,7 @@ int do_bootm_linux(int flag, int argc, char * const argv[],
if (cp)
linux_env_set("eth1addr", cp);
/* we assume that the kernel is in place */
printf("\nStarting kernel ...\n\n");
theKernel(linux_argc, linux_argv, linux_env, 0);
boot_jump_linux(images);
/* does not return */
return 1;