[PATCH v6 07/12] bootstd: Add debugging for efi bootmeth

Simon Glass
2024-09-26T22:01:52Z

Add a little debugging so we can see what is happening.

Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Ilias Apalodimas <ilias.apalodimas@linaro.org>
---

Changes in v6:
- Expand the debug messages to be more descriptive

boot/bootmeth_efi.c | 11 +++++++++--
1 file changed, 9 insertions(+), 2 deletions(-)

diff --git a/boot/bootmeth_efi.c b/boot/bootmeth_efi.c
index 6b41c0999f1..2ad6d3b4ace 100644
--- a/boot/bootmeth_efi.c
+++ b/boot/bootmeth_efi.c
@@ -162,8 +162,10 @@ static int distro_efi_try_bootflow_files(struct udevice *dev,
int ret, seq;

/* We require a partition table */
- if (!bflow->part)
+ if (!bflow->part) {
+ log_debug("no partitions\n");
return -ENOENT;
+ }

strcpy(fname, EFI_DIRNAME);
strcat(fname, BOOTEFI_NAME);
@@ -171,8 +173,10 @@ static int distro_efi_try_bootflow_files(struct udevice *dev,
if (bflow->blk)
desc = dev_get_uclass_plat(bflow->blk);
ret = bootmeth_try_file(bflow, desc, NULL, fname);
- if (ret)
+ if (ret) {
+ log_debug("File '%s' not found\n", fname);
return log_msg_ret("try", ret);
+ }

/* Since we can access the file, let's call it ready */
bflow->state = BOOTFLOWST_READY;
@@ -307,6 +311,8 @@ static int distro_efi_read_bootflow(struct udevice *dev, struct bootflow *bflow)
{
int ret;

+ log_debug("dev='%s', part=%d\n", bflow->dev->name, bflow->part);
+
/*
* bootmeth_efi doesn't allocate any buffer neither for blk nor net device
* set flag to avoid freeing static buffer.
@@ -332,6 +338,7 @@ static int distro_efi_boot(struct udevice *dev, struct bootflow *bflow)
ulong kernel, fdt;
int ret;

+ log_debug("distro EFI boot\n");
kernel = env_get_hex("kernel_addr_r", 0);
if (!bootmeth_uses_network(bflow)) {
ret = efiload_read_file(bflow, kernel);
--
2.43.0