[U-Boot] [PATCH 06/19] x86: Rationalise kernel booting logic and bootstage
Simon Glass
sjg at chromium.org
Thu Apr 18 04:13:35 CEST 2013
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 at chromium.org>
Reviewed-by: Michael Spang <spang at chromium.org>
---
arch/x86/cpu/cpu.c | 5 +++++
arch/x86/lib/bootm.c | 8 --------
arch/x86/lib/zimage.c | 11 +++++++----
3 files changed, 12 insertions(+), 12 deletions(-)
diff --git a/arch/x86/cpu/cpu.c b/arch/x86/cpu/cpu.c
index 1a2f85c..7a914a5 100644
--- a/arch/x86/cpu/cpu.c
+++ b/arch/x86/cpu/cpu.c
@@ -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;
}
diff --git a/arch/x86/lib/bootm.c b/arch/x86/lib/bootm.c
index 83caf6b..2520228 100644
--- a/arch/x86/lib/bootm.c
+++ b/arch/x86/lib/bootm.c
@@ -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 */
diff --git a/arch/x86/lib/zimage.c b/arch/x86/lib/zimage.c
index 4e9e1f7..b54cf12 100644
--- a/arch/x86/lib/zimage.c
+++ b/arch/x86/lib/zimage.c
@@ -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 */
--
1.8.2.1
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