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| author | Gabor Juhos <juhosg@openwrt.org> | 2013-01-07 02:53:40 +0000 |
|---|---|---|
| committer | Daniel Schwierzeck <daniel.schwierzeck@gmail.com> | 2013-01-16 10:52:07 +0100 |
| commit | e08634c7bfdb5fcda2541a8845d44888538d6178 (patch) | |
| tree | 0c3fb82e0173542013cf12ba8c1a676397d5b12a | |
| parent | 75a279c8f28539f560a23425073d97ffee746716 (diff) | |
| download | u-boot-imx-e08634c7bfdb5fcda2541a8845d44888538d6178.zip u-boot-imx-e08634c7bfdb5fcda2541a8845d44888538d6178.tar.gz u-boot-imx-e08634c7bfdb5fcda2541a8845d44888538d6178.tar.bz2 | |
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>
| -rw-r--r-- | arch/mips/lib/bootm.c | 32 |
1 files changed, 19 insertions, 13 deletions
diff --git a/arch/mips/lib/bootm.c b/arch/mips/lib/bootm.c index 4ac712a..689d17b 100644 --- a/arch/mips/lib/bootm.c +++ b/arch/mips/lib/bootm.c @@ -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; |