[PATCH v2 01/17] boot: Improve comments related to global bootmeths
Simon Glass
sjg at chromium.org
Wed Oct 1 23:26:26 CEST 2025
Add a few comments about global bootmeths and first_glob_method
Fix a broken line in bootmeth_setup_iter_order() while we are here.
Signed-off-by: Simon Glass <sjg at chromium.org>
---
(no changes since v1)
boot/bootflow.c | 3 ++-
boot/bootmeth-uclass.c | 4 ++--
include/bootflow.h | 3 ++-
test/boot/bootflow.c | 2 +-
4 files changed, 7 insertions(+), 5 deletions(-)
diff --git a/boot/bootflow.c b/boot/bootflow.c
index d79f303486d..8f38a1ab940 100644
--- a/boot/bootflow.c
+++ b/boot/bootflow.c
@@ -147,7 +147,7 @@ static void bootflow_iter_set_dev(struct bootflow_iter *iter,
if (dev)
printf("Scanning bootdev '%s':\n", dev->name);
else if (IS_ENABLED(CONFIG_BOOTMETH_GLOBAL) &&
- ucp->flags & BOOTMETHF_GLOBAL)
+ ucp->flags & BOOTMETHF_GLOBAL)
printf("Scanning global bootmeth '%s':\n",
iter->method->name);
else
@@ -344,6 +344,7 @@ static int bootflow_check(struct bootflow_iter *iter, struct bootflow *bflow)
struct udevice *dev;
int ret;
+ /* handle global bootmeths if needed */
if (IS_ENABLED(CONFIG_BOOTMETH_GLOBAL) && iter->doing_global) {
bootflow_iter_set_dev(iter, NULL, 0);
ret = bootmeth_get_bootflow(iter->method, bflow);
diff --git a/boot/bootmeth-uclass.c b/boot/bootmeth-uclass.c
index 188f6ea1895..918d78ec2c9 100644
--- a/boot/bootmeth-uclass.c
+++ b/boot/bootmeth-uclass.c
@@ -156,8 +156,7 @@ int bootmeth_setup_iter_order(struct bootflow_iter *iter, bool include_global)
}
ucp = dev_get_uclass_plat(dev);
- is_global = ucp->flags &
- BOOTMETHF_GLOBAL;
+ is_global = ucp->flags & BOOTMETHF_GLOBAL;
if (is_global) {
iter->first_glob_method = i;
break;
@@ -204,6 +203,7 @@ int bootmeth_setup_iter_order(struct bootflow_iter *iter, bool include_global)
goto err_order;
}
+ /* start with the global bootmeths */
if (IS_ENABLED(CONFIG_BOOTMETH_GLOBAL) && include_global &&
iter->first_glob_method != -1 && iter->first_glob_method != count) {
iter->cur_method = iter->first_glob_method;
diff --git a/include/bootflow.h b/include/bootflow.h
index 32422067723..2ef6eb25cf5 100644
--- a/include/bootflow.h
+++ b/include/bootflow.h
@@ -250,7 +250,8 @@ enum bootflow_meth_flags_t {
* @cur_label: Current label being processed
* @num_methods: Number of bootmeth devices in @method_order
* @cur_method: Current method number, an index into @method_order
- * @first_glob_method: First global method, if any, else -1
+ * @first_glob_method: Index of first global method within @method_order[], if
+ * any, else -1
* @cur_prio: Current priority being scanned
* @method_order: List of bootmeth devices to use, in order. The normal methods
* appear first, then the global ones, if any
diff --git a/test/boot/bootflow.c b/test/boot/bootflow.c
index 8de5a310add..7cd83dc7443 100644
--- a/test/boot/bootflow.c
+++ b/test/boot/bootflow.c
@@ -401,7 +401,7 @@ static int bootflow_system(struct unit_test_state *uts)
ut_assertok(device_probe(dev));
sandbox_set_fake_efi_mgr_dev(dev, true);
- /* We should get a single 'bootmgr' method right at the end */
+ /* We should get a single 'bootmgr' method at the start */
bootstd_clear_glob();
ut_assertok(run_command("bootflow scan -lH", 0));
ut_assert_skip_to_line(
--
2.43.0
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