Add "cbfstool extract" function.

[coreboot.git] / util / cbfstool / cbfstool.c

diff --git a/util/cbfstool/cbfstool.c b/util/cbfstool/cbfstool.c
index e1b9fca58bb8b3d0ab3a472da2a32ddd321628c4..507edc255e8486fb113baf787182b2605d9eb8b8 100644 (file)
--- a/util/cbfstool/cbfstool.c
+++ b/util/cbfstool/cbfstool.c
@@ -29,7 +29,8 @@ typedef enum {
        CMD_ADD_STAGE,
        CMD_CREATE,
        CMD_LOCATE,
-       CMD_PRINT
+       CMD_PRINT,
+       CMD_EXTRACT,
 } cmd_t;
 
 struct command {
@@ -244,13 +245,34 @@ static int cbfs_print(int argc, char **argv)
        return 0;
 }
 
+static int cbfs_extract(int argc, char **argv)
+{
+       char *romname = argv[1];
+       char *cmd = argv[2];
+       void *rom = loadrom(romname);
+
+       if (rom == NULL) {
+               printf("Could not load ROM image '%s'.\n", romname);
+               return 1;
+       }
+
+       if (argc != 5)
+       {
+               printf("Error: you must specify a CBFS name and a file to dump it in.\n");
+               return 1;
+       }
+
+       return extract_file_from_cbfs(romname, argv[3], argv[4]);
+}
+
 struct command commands[] = {
        {CMD_ADD, "add", cbfs_add},
        {CMD_ADD_PAYLOAD, "add-payload", cbfs_add_payload},
        {CMD_ADD_STAGE, "add-stage", cbfs_add_stage},
        {CMD_CREATE, "create", cbfs_create},
        {CMD_LOCATE, "locate", cbfs_locate},
-       {CMD_PRINT, "print", cbfs_print}
+       {CMD_PRINT, "print", cbfs_print},
+       {CMD_EXTRACT, "extract", cbfs_extract},
 };
 
 void usage(void)
@@ -266,7 +288,8 @@ void usage(void)
             " add-stage FILE NAME [COMP] [base]    Add a stage to the ROM\n"
             " create SIZE BOOTBLOCK [ALIGN]        Create a ROM file\n"
             " locate FILE NAME ALIGN               Find a place for a file of that size\n"
-            " print                                Show the contents of the ROM\n\n"
+            " print                                Show the contents of the ROM\n"
+            " extract NAME FILE                    Extracts a raw payload from ROM\n\n"
             "TYPEs:\n"
             );
        print_supported_filetypes();