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x86: Rationalise kernel booting logic and bootstage

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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 */