1 files changed, 70 insertions, 0 deletions
diff --git a/common/memory_commands.c b/common/memory_commands.c
new file mode 100644
index 0000000000..e54d567080
--- /dev/null
+++ b/common/memory_commands.c
@@ -0,0 +1,70 @@
+/* Copyright (c) 2011 The Chromium OS Authors. All rights reserved.
+ * Use of this source code is governed by a BSD-style license that can be
+ * found in the LICENSE file.
+ */
+
+/* System module for Chrome EC */
+
+#include "console.h"
+#include "registers.h"
+#include "uart.h"
+#include "util.h"
+#include "version.h"
+
+
+static int command_write_word(int argc, char **argv)
+{
+	volatile uint32_t *address;
+	uint32_t value;
+
+	if (argc != 3) {
+		uart_puts("Usage: ww <address> <value>\n");
+		return EC_ERROR_UNKNOWN;
+	}
+	address = (uint32_t*)strtoi(argv[1], NULL, 0);
+	value = strtoi(argv[2], NULL, 0);
+
+	uart_printf("write word 0x%p = 0x%08x\n", address, value);
+	uart_flush_output();
+
+	*address = value;
+
+	return EC_SUCCESS;
+}
+
+
+static int command_read_word(int argc, char **argv)
+{
+	volatile uint32_t *address;
+	uint32_t value;
+
+	if (argc != 2) {
+		uart_puts("Usage: rw <address>\n");
+		return EC_ERROR_UNKNOWN;
+	}
+	address = (uint32_t*)strtoi(argv[1], NULL, 0);
+	value = *address;
+
+	uart_printf("read word 0x%p = 0x%08x\n", address, value);
+	uart_flush_output();
+
+	return EC_SUCCESS;
+}
+
+
+static const struct console_command console_commands[] = {
+	{"rw", command_read_word},
+	{"ww", command_write_word},
+	{"readword", command_read_word},
+	{"writeword", command_write_word},
+};
+static const struct console_group command_group = {
+	"Memory", console_commands, ARRAY_SIZE(console_commands)
+};
+
+
+int memory_commands_init(void)
+{
+	/* Register our internal commands */
+	return console_register_commands(&command_group);
+}