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x86: Rationalise kernel booting logic and bootstage 

The 'Starting linux' message appears twice in the code, but both call
through the same place. Unify these and add calls to bootstage to
mark the occasion.

Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Michael Spang <spang@chromium.org>
Acked-by: Graeme Russ <graeme.russ@gmail.com>
This commit is contained in:
Simon Glass 2013-04-17 16:13:35 +00:00
parent c78a62acdf
commit 7949703a95
3 changed files with 12 additions and 12 deletions
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5
arch/x86/cpu/cpu.c
View File

@ -120,6 +120,11 @@ void setup_gdt(gd_t *id, u64 *gdt_addr)
int __weak x86_cleanup_before_linux(void)
{
#ifdef CONFIG_BOOTSTAGE_STASH
bootstage_stash((void *)CONFIG_BOOTSTAGE_STASH,
CONFIG_BOOTSTAGE_STASH_SIZE);
#endif
return 0;
}

8
arch/x86/lib/bootm.c
View File

@ -93,14 +93,6 @@ int do_bootm_linux(int flag, int argc, char * const argv[],
goto error;
}
#ifdef DEBUG
printf("## Transferring control to Linux (at address %08x) ...\n",
(u32)base_ptr);
#endif
/* we assume that the kernel is in place */
printf("\nStarting kernel ...\n\n");
boot_zimage(base_ptr, load_address);
/* does not return */

11
arch/x86/lib/zimage.c
View File

@ -283,6 +283,13 @@ __weak void board_final_cleanup(void)
void boot_zimage(void *setup_base, void *load_address)
{
debug("## Transferring control to Linux (at address %08x) ...\n",
(u32)setup_base);
bootstage_mark_name(BOOTSTAGE_ID_BOOTM_HANDOFF, "start_kernel");
#ifdef CONFIG_BOOTSTAGE_REPORT
bootstage_report();
#endif
board_final_cleanup();
printf("\nStarting kernel ...\n\n");
@ -363,10 +370,6 @@ int do_zboot(cmd_tbl_t *cmdtp, int flag, int argc, char *const argv[])
return -1;
}
printf("## Transferring control to Linux "
"(at address %08x) ...\n",
(u32)base_ptr);
/* we assume that the kernel is in place */
boot_zimage(base_ptr, load_address);
/* does not return */