image: Create a table of information for each category

Add a table that contains the category name, the number of items in each
category and a pointer to the table of items. This will allow us to use
generic code to deal with the categories.

Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Tom Rini <trini@konsulko.com>

common/image.c

@@ -176,6 +176,19 @@ static const table_entry_t uimage_comp[] = {
 	{	-1,		"",		"",			},
 };
 
+struct table_info {
+	const char *desc;
+	int count;
+	const table_entry_t *table;
+};
+
+static const struct table_info table_info[IH_COUNT] = {
+	{ "architecture", IH_ARCH_COUNT, uimage_arch },
+	{ "compression", IH_COMP_COUNT, uimage_comp },
+	{ "operating system", IH_OS_COUNT, uimage_os },
+	{ "image type", IH_TYPE_COUNT, uimage_type },
+};
+
 /*****************************************************************************/
 /* Legacy format routines */
 /*****************************************************************************/

include/image.h

@@ -123,6 +123,15 @@ struct lmb;
 # define IMAGE_OF_SYSTEM_SETUP	0
 #endif
 
+enum ih_category {
+	IH_ARCH,
+	IH_COMP,
+	IH_OS,
+	IH_TYPE,
+
+	IH_COUNT,
+};
+
 /*
  * Operating System Codes
  */