cli_hush: support running bootcmd on boot retry

Introduce a new config option: RETRY_BOOTCMD. When enabled this causes
hush shell to re-run "bootcmd" when the auto-boot counter times out.

Tested-by: Danila Tikhonov <danila@jiaxyga.com> # google-sunfish
Tested-by: Jens Reidel <adrian@mainlining.org> # xiaomi-davinci
Link: https://lore.kernel.org/r/20250331-qcom-phones-v4-2-f52e57d3b8c6@linaro.org
Signed-off-by: Caleb Connolly <caleb.connolly@linaro.org>
diff --git a/boot/Kconfig b/boot/Kconfig
index f101200..fb37d91 100644
--- a/boot/Kconfig
+++ b/boot/Kconfig
@@ -1704,6 +1704,13 @@
 	  After the countdown timed out, the board will be reset to restart
 	  again.
 
+config RETRY_BOOTCMD
+	bool "Run bootcmd on retry"
+	depends on BOOT_RETRY && HUSH_PARSER && !RESET_TO_RETRY
+	help
+	  If this option is enabled, the "bootcmd" will be run after the
+	  countdown times out.
+
 endmenu
 
 menu "Image support"
diff --git a/common/cli_hush.c b/common/cli_hush.c
index 9f437ae..7bd6943 100644
--- a/common/cli_hush.c
+++ b/common/cli_hush.c
@@ -1028,8 +1028,10 @@
 	  puts("\nTimeout waiting for command\n");
 #  ifdef CONFIG_RESET_TO_RETRY
 	  do_reset(NULL, 0, 0, NULL);
-#  else
-#	error "This currently only works with CONFIG_RESET_TO_RETRY enabled"
+#  elif IS_ENABLED(CONFIG_RETRY_BOOTCMD)
+	strcpy(console_buffer, "run bootcmd\n");
+# else
+#	error "This only works with CONFIG_RESET_TO_RETRY or CONFIG_BOOT_RETRY_COMMAND enabled"
 #  endif
 	}
 #endif
diff --git a/common/cli_hush_upstream.c b/common/cli_hush_upstream.c
index ab5aa5f..748ef60 100644
--- a/common/cli_hush_upstream.c
+++ b/common/cli_hush_upstream.c
@@ -2907,8 +2907,10 @@
 		puts("\nTimeout waiting for command\n");
 #  ifdef CONFIG_RESET_TO_RETRY
 		do_reset(NULL, 0, 0, NULL);
-#  else
-#	error "This currently only works with CONFIG_RESET_TO_RETRY enabled"
+#  elif IS_ENABLED(CONFIG_RETRY_BOOTCMD)
+	strcpy(console_buffer, "run bootcmd\n");
+# else
+#	error "This only works with CONFIG_RESET_TO_RETRY or CONFIG_BOOT_RETRY_COMMAND enabled"
 #  endif
 	}
 # endif