flash_map: add shell interface

Add shell for flash_map currently supporting listing the configurated
flash_map for a device.

Signed-off-by: Anas Nashif <[email protected]>

Author: nashif

subsys/storage/flash_map/CMakeLists.txt

@@ -2,4 +2,5 @@
 
 zephyr_sources(flash_map.c)
 zephyr_sources_ifndef(CONFIG_FLASH_MAP_CUSTOM flash_map_default.c)
+zephyr_sources_ifdef(CONFIG_FLASH_MAP_SHELL flash_map_shell.c)
 

subsys/storage/flash_map/Kconfig

@@ -15,10 +15,19 @@ menuconfig FLASH_MAP
 	help
 	  Enable support of flash map abstraction.
 
+if FLASH_MAP
+
+config FLASH_MAP_SHELL
+	bool "Enable flash map shell interface"
+	depends on SHELL
+	help
+	  This enables shell commands to list and test flash maps.
+
 config FLASH_MAP_CUSTOM
 	bool "Custom flash map description"
-	depends on FLASH_MAP
 	help
 	  This option enables custom flash map description.
 	  User must provide such a description in place of default on
 	  if had enabled this option.
+
+endif

subsys/storage/flash_map/flash_map_shell.c

@@ -0,0 +1,48 @@
+/*
+ * Copyright (c) 2019 Intel Corporation
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+#include <shell/shell.h>
+#include <init.h>
+#include <string.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <ctype.h>
+#include <flash_map.h>
+#include <logging/log.h>
+
+#define LOG_LEVEL CONFIG_LOG_DEFAULT_LEVEL
+
+LOG_MODULE_REGISTER(flash_map_shell);
+
+extern const struct flash_area *flash_map;
+
+static void fa_cb(const struct flash_area *fa, void *user_data)
+{
+	struct shell *shell = user_data;
+
+	shell_print(shell, "%-4d %-8d %-20s  0x%-10x 0x%-12x",
+		    fa->fa_id, fa->fa_device_id, fa->fa_dev_name,
+		    fa->fa_off, fa->fa_size);
+}
+
+static int cmd_flash_map_list(const struct shell *shell, size_t argc,
+			      char **argv)
+{
+	shell_print(shell, "ID | Device | Device Name"
+		    "       |   Offset   |   Size");
+	shell_print(shell, "-------------------------"
+		    "------------------------------");
+	flash_area_foreach(fa_cb, (struct shell *)shell);
+	return 0;
+}
+
+SHELL_STATIC_SUBCMD_SET_CREATE(sub_flash_map,
+	/* Alphabetically sorted. */
+	SHELL_CMD(list, NULL, "List flash areas", cmd_flash_map_list),
+	SHELL_SUBCMD_SET_END /* Array terminated. */
+);
+
+SHELL_CMD_REGISTER(flash_map, &sub_flash_map, "Flash map commands", NULL);

tests/boards/board_shell/prj.conf

@@ -15,3 +15,6 @@ CONFIG_GPIO=y
 CONFIG_FLASH=y
 CONFIG_FLASH_SHELL=y
 CONFIG_FLASH_PAGE_LAYOUT=y
+CONFIG_FLASH_MAP=y
+CONFIG_FLASH_MAP_SHELL=y
+