diff mbox series

[Concept,v2,01/22] arm: bootm: Add some debugging

Message ID	20250819185900.835939-2-sjg@u-boot.org
State	New
Headers	From: Simon Glass <sjg@u-boot.org> To: U-Boot Concept <concept@u-boot.org> Date: Tue, 19 Aug 2025 12:58:32 -0600 Message-ID: <20250819185900.835939-2-sjg@u-boot.org> In-Reply-To: <20250819185900.835939-1-sjg@u-boot.org> References: <20250819185900.835939-1-sjg@u-boot.org> MIME-Version: 1.0 Message-ID-Hash: H5IZR4LLXBXFC6P3EBBF2UNAM5NK7CIP CC: Simon Glass <sjg@chromium.org> Precedence: list Subject: [Concept] [PATCH v2 01/22] arm: bootm: Add some debugging Archived-At: <https://lists.u-boot.org/archives/list/concept@u-boot.org/message/H5IZR4LLXBXFC6P3EBBF2UNAM5NK7CIP/> Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit
Series	efi: Improvements for the EFI app on ARM \| [Concept,v2,00/22] efi: Improvements for the EFI app on ARM [Concept,v2,01/22] arm: bootm: Add some debugging [Concept,v2,02/22] arm: Fix swtiching typo [Concept,v2,03/22] arm: Show the exception level with bdinfo [Concept,v2,04/22] arm: Drop kernel_entry for arm64 [Concept,v2,05/22] meminfo: Allow for up to 10 hex digits [Concept,v2,06/22] event: Add a dummy function for event_notify() [Concept,v2,07/22] boot: Improve debugging in bootm_load_os() [Concept,v2,08/22] boot: Pass flags to the bootm_final event [Concept,v2,09/22] fdt: Add debugging for fdt_simplefb [Concept,v2,10/22] efi: app: Show only a summary of disks and partitions [Concept,v2,11/22] efi: Fix up the addr_find command [Concept,v2,12/22] efi: app: Tidy up some stale comments in setup_memory() [Concept,v2,13/22] efi: app: Allocate pages in any region [Concept,v2,14/22] efi: app: Pick up the SMBIOS table [Concept,v2,15/22] efi: app: Use EFI_PAGE_SHIFT instead of 12 in free_memory() [Concept,v2,16/22] efi: app: Print the final message before freeing memory [Concept,v2,17/22] efi: app: Use the relocated global_data [Concept,v2,18/22] efi: app: Only show the memory map when debugging [Concept,v2,19/22] efi: app: Add a simplefb node to the devicetree [Concept,v2,20/22] efi: arm: Increase the cyclic timeout again [Concept,v2,21/22] efi: app: Show the model when the vidconsole starts [Concept,v2,22/22] efi: app: Enable the cat command

Commit Message

Simon Glass Aug. 19, 2025, 6:58 p.m. UTC

  From: Simon Glass <sjg@chromium.org>

Provides some debugging info while doing bootm processing.

Signed-off-by: Simon Glass <sjg@chromium.org>
---

Changes in v2:
- Make the messages longer and more explanatory

 arch/arm/lib/bootm.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff mbox series

Patch

diff --git a/arch/arm/lib/bootm.c b/arch/arm/lib/bootm.c
index cb365d95c7b..12383b2c36e 100644
--- a/arch/arm/lib/bootm.c
+++ b/arch/arm/lib/bootm.c
@@ -11,6 +11,8 @@ 
  * Copyright (C) 2001  Erik Mouw (J.A.K.Mouw@its.tudelft.nl)
  */
 
+#define LOG_CATEGORY	LOGC_BOOT
+
 #include <bootm.h>
 #include <bootstage.h>
 #include <command.h>
@@ -349,20 +351,24 @@  int do_bootm_linux(int flag, struct bootm_info *bmi)
 {
 	struct bootm_headers *images = bmi->images;
 
+	log_debug("boot linux flag %x\n", flag);
 	/* No need for those on ARM */
 	if (flag & BOOTM_STATE_OS_BD_T || flag & BOOTM_STATE_OS_CMDLINE)
 		return -1;
 
 	if (flag & BOOTM_STATE_OS_PREP) {
+		log_debug("Preparing to boot Linux\n");
 		boot_prep_linux(images);
 		return 0;
 	}
 
 	if (flag & (BOOTM_STATE_OS_GO | BOOTM_STATE_OS_FAKE_GO)) {
+		log_debug("Jumping to Linux (or faking it)\n");
 		boot_jump_linux(images, flag);
 		return 0;
 	}
 
+	log_debug("No flags set: continuing to prepare and jump to Linux\n");
 	boot_prep_linux(images);
 	boot_jump_linux(images, flag);
 	return 0;