X-Git-Url: https://git.karo-electronics.de/?a=blobdiff_plain;f=include%2Fcommand.h;h=6e1bdc2ab27479dc61b2e4f1e020b524eaa40792;hb=a0fb94f9ed865ff8073b4d493918cb78411de2b1;hp=f1accd0953ecf89785bf9fa3a9e10dd7fb527b6d;hpb=e84ffddbced7620aa9fe4b9e8bfffb6a994c7b4e;p=karo-tx-uboot.git

diff --git a/include/command.h b/include/command.h
index f1accd0953..6e1bdc2ab2 100644
--- a/include/command.h
+++ b/include/command.h
@@ -64,6 +64,9 @@ typedef struct cmd_tbl_s	cmd_tbl_t;
 extern cmd_tbl_t  __u_boot_cmd_start;
 extern cmd_tbl_t  __u_boot_cmd_end;
 
+#if defined(CONFIG_CMD_RUN)
+extern int do_run(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]);
+#endif
 
 /* common/command.c */
 int _do_help (cmd_tbl_t *cmd_start, int cmd_items, cmd_tbl_t * cmdtp, int
@@ -109,6 +112,35 @@ static inline int bootm_maybe_autostart(cmd_tbl_t *cmdtp, const char *cmd)
 #endif
 extern int do_reset(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]);
 
+/*
+ * Error codes that commands return to cmd_process(). We use the standard 0
+ * and 1 for success and failure, but add one more case - failure with a
+ * request to call cmd_usage(). But the cmd_process() function handles
+ * CMD_RET_USAGE itself and after calling cmd_usage() it will return 1.
+ * This is just a convenience for commands to avoid them having to call
+ * cmd_usage() all over the place.
+ */
+enum command_ret_t {
+	CMD_RET_SUCCESS,	/* 0 = Success */
+	CMD_RET_FAILURE,	/* 1 = Failure */
+	CMD_RET_USAGE = -1,	/* Failure, please report 'usage' error */
+};
+
+/**
+ * Process a command with arguments. We look up the command and execute it
+ * if valid. Otherwise we print a usage message.
+ *
+ * @param flag		Some flags normally 0 (see CMD_FLAG_.. above)
+ * @param argc		Number of arguments (arg 0 must be the command text)
+ * @param argv		Arguments
+ * @param repeatable	This function sets this to 0 if the command is not
+ *			repeatable. If the command is repeatable, the value
+ *			is left unchanged.
+ * @return 0 if the command succeeded, 1 if it failed
+ */
+int cmd_process(int flag, int argc, char * const argv[],
+			       int *repeatable);
+
 #endif	/* __ASSEMBLY__ */
 
 /*
@@ -117,7 +149,8 @@ extern int do_reset(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]);
 #define CMD_FLAG_REPEAT		0x0001	/* repeat last command		*/
 #define CMD_FLAG_BOOTD		0x0002	/* command is from bootd	*/
 
-#define Struct_Section  __attribute__ ((unused,section (".u_boot_cmd")))
+#define Struct_Section  __attribute__((unused, section(".u_boot_cmd"), \
+		aligned(4)))
 
 #ifdef CONFIG_AUTO_COMPLETE
 # define _CMD_COMPLETE(x) x,
@@ -146,4 +179,5 @@ extern int do_reset(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]);
 #if defined(CONFIG_NEEDS_MANUAL_RELOC)
 void fixup_cmdtable(cmd_tbl_t *cmdtp, int size);
 #endif
+
 #endif	/* __COMMAND_H */