1 files changed, 72 insertions, 0 deletions
diff --git a/cmd/source.c b/cmd/source.c
new file mode 100644
index 00000000000..c9b5f8e400a
--- /dev/null
+++ b/cmd/source.c
@@ -0,0 +1,72 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * (C) Copyright 2001
+ * Kyle Harris, kharris@nexus-tech.net
+ */
+
+/*
+ * The "source" command allows to define "script images", i. e. files
+ * that contain command sequences that can be executed by the command
+ * interpreter. It returns the exit status of the last command
+ * executed from the script. This is very similar to running a shell
+ * script in a UNIX shell, hence the name for the command.
+ */
+
+/* #define DEBUG */
+
+#include <command.h>
+#include <env.h>
+#include <image.h>
+#include <log.h>
+#include <malloc.h>
+#include <mapmem.h>
+#include <asm/byteorder.h>
+#include <asm/io.h>
+
+static int do_source(struct cmd_tbl *cmdtp, int flag, int argc,
+		     char *const argv[])
+{
+	ulong addr;
+	int rcode;
+	const char *fit_uname = NULL, *confname = NULL;
+
+	/* Find script image */
+	if (argc < 2) {
+		addr = CONFIG_SYS_LOAD_ADDR;
+		debug("*  source: default load address = 0x%08lx\n", addr);
+#if defined(CONFIG_FIT)
+	} else if (fit_parse_subimage(argv[1], image_load_addr, &addr,
+				      &fit_uname)) {
+		debug("*  source: subimage '%s' from FIT image at 0x%08lx\n",
+		      fit_uname, addr);
+	} else if (fit_parse_conf(argv[1], image_load_addr, &addr, &confname)) {
+		debug("*  source: config '%s' from FIT image at 0x%08lx\n",
+		      confname, addr);
+#endif
+	} else {
+		addr = hextoul(argv[1], NULL);
+		debug("*  source: cmdline image address = 0x%08lx\n", addr);
+	}
+
+	printf ("## Executing script at %08lx\n", addr);
+	rcode = cmd_source_script(addr, fit_uname, confname);
+	return rcode;
+}
+
+U_BOOT_LONGHELP(source,
+#if defined(CONFIG_FIT)
+	"[<addr>][:[<image>]|#[<config>]]\n"
+	"\t- Run script starting at addr\n"
+	"\t- A FIT config name or subimage name may be specified with : or #\n"
+	"\t  (like bootm). If the image or config name is omitted, the\n"
+	"\t  default is used."
+#else
+	"[<addr>]\n"
+	"\t- Run script starting at addr"
+#endif
+	);
+
+U_BOOT_CMD(
+	source, 2, 0,	do_source,
+	"run script from memory", source_help_text
+);