[PATCH v5 5/5] cmd: mvebu: bubt: show image boot device

[Joel Johnson]

When a mismatch is found trying to write an image for one boot method
to a different boot device, print an error message including the image
header marked target boot device type.

Signed-off-by: Joel Johnson <mrjoel at lixil.net>
Reviewed-by: Stefan Roese <sr at denx.de>

---

v2 changes:
  - newly added in v2 series
v3 changes:
  - none
v4 changes:
  - adjust to ARRAY_SIZE usage
v5 changes:
  - remove double space (one each line) in error message

---
 cmd/mvebu/bubt.c | 12 +++++++++++-
 1 file changed, 11 insertions(+), 1 deletion(-)

diff --git a/cmd/mvebu/bubt.c b/cmd/mvebu/bubt.c
index b03924ca06..728633e60a 100644
--- a/cmd/mvebu/bubt.c
+++ b/cmd/mvebu/bubt.c
@@ -676,6 +676,17 @@ static int a38x_check_boot_mode(const struct bubt_dev *dst)
 	if (a38x_boot_modes[mode].id == hdr->blockid)
 		return 0;
 
+	for (int i = 0; i < ARRAY_SIZE(a38x_boot_modes); i++) {
+		if (a38x_boot_modes[i].id == hdr->blockid) {
+			printf("Error: image meant to be booted from"
+			       " \"%s\", not \"%s\"!\n",
+			       a38x_boot_modes[i].name, dst->name);
+			return -ENOEXEC;
+		}
+	}
+
+	printf("Error: unknown boot device in image header: 0x%x\n",
+	       hdr->blockid);
 	return -ENOEXEC;
 }
 
@@ -746,7 +757,6 @@ static int bubt_verify(const struct bubt_dev *dst)
 	if (IS_ENABLED(CONFIG_ARMADA_38X)) {
 		err = a38x_check_boot_mode(dst);
 		if (err) {
-			puts("Error: image not built for destination device!\n");
 			return err;
 		}
 	}
-- 
2.25.0