util: ms command to calculate length of operations

This can be used to calculate approximate RTCK frequency
for instance.

Signed-off-by: Øyvind Harboe <oyvind.harboe@zylin.com>

diff --git a/src/ecosboard.c b/src/ecosboard.c
index 1e3152e76f06ba89598700e8df59d25252cf0bba..f6e040fac3a26961059a5fca828c9db9cadd0134 100644 (file)
--- a/src/ecosboard.c
+++ b/src/ecosboard.c
@@ -1,5 +1,5 @@
 /***************************************************************************
- *   Copyright (C) 2007-2009 by Øyvind Harboe                              *
+ *   Copyright (C) 2007-2010 by Øyvind Harboe                              *
  *                                                                         *
  *   This program is free software; you can redistribute it and/or modify  *
  *   it under the terms of the GNU General Public License as published by  *
@@ -24,6 +24,7 @@
 #include <helper/types.h>
 #include <jtag/jtag.h>
 #include <helper/ioutil.h>
+#include <helper/util.h>
 #include <helper/configuration.h>
 
 #include <server/server.h>
@@ -1089,6 +1090,9 @@ int main(int argc, char *argv[])
        command_set_output_handler(cmd_ctx, configuration_output_handler, NULL);
        command_context_mode(cmd_ctx, COMMAND_CONFIG);
 
+       if (util_init(cmd_ctx) != ERROR_OK)
+               return EXIT_FAILURE;
+
        if (ioutil_init(cmd_ctx) != ERROR_OK)
                return EXIT_FAILURE;
 

diff --git a/src/helper/Makefile.am b/src/helper/Makefile.am
index 27ae1e20b35a200d39152fe0834fbf630e9a0ffb..cca5ac3503636a9ffccac33a021fcb2b1a2a4bd6 100644 (file)
--- a/src/helper/Makefile.am
+++ b/src/helper/Makefile.am
@@ -22,7 +22,8 @@ libhelper_la_SOURCES = \
        command.c \
        time_support.c \
        replacements.c \
-       fileio.c
+       fileio.c \
+       util.c
 
 if IOUTIL
 libhelper_la_SOURCES += ioutil.c
@@ -40,6 +41,7 @@ noinst_HEADERS = \
        binarybuffer.h \
        configuration.h \
        ioutil.h \
+       util.h \
        types.h \
        log.h \
        command.h \

diff --git a/src/helper/util.c b/src/helper/util.c
new file mode 100644 (file)
index 0000000..12b83f6
--- /dev/null
+++ b/src/helper/util.c
@@ -0,0 +1,62 @@
+/***************************************************************************
+ *   Copyright (C) 2010 by Øyvind Harboe                                   *
+ *                                                                         *
+ *   This program is free software; you can redistribute it and/or modify  *
+ *   it under the terms of the GNU General Public License as published by  *
+ *   the Free Software Foundation; either version 2 of the License, or     *
+ *   (at your option) any later version.                                   *
+ *                                                                         *
+ *   This program is distributed in the hope that it will be useful,       *
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
+ *   GNU General Public License for more details.                          *
+ *                                                                         *
+ *   You should have received a copy of the GNU General Public License     *
+ *   along with this program; if not, write to the                         *
+ *   Free Software Foundation, Inc.,                                       *
+ *   59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.             *
+ ***************************************************************************/
+
+/* this file contains various functionality useful to standalone systems */
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include "log.h"
+#include "time_support.h"
+
+static int
+util_Jim_Command_ms(Jim_Interp *interp,
+                                   int argc,
+               Jim_Obj * const *argv)
+{
+       if (argc != 1)
+       {
+               Jim_WrongNumArgs(interp, 1, argv, "ls ?dir?");
+               return JIM_ERR;
+       }
+
+       /* Cast from 64 to 32 bit int works for 2's-compliment
+        * when calculating differences*/
+       Jim_SetResult(interp, Jim_NewIntObj(interp, (int)timeval_ms()));
+
+       return JIM_OK;
+}
+
+static const struct command_registration util_command_handlers[] = {
+       // jim handlers
+       {
+               .name = "ms",
+               .mode = COMMAND_ANY,
+               .jim_handler = util_Jim_Command_ms,
+               .help = "Returns ever increasing milliseconds. Used to calculuate differences in time.",
+               .usage = "",
+       },
+       COMMAND_REGISTRATION_DONE
+};
+
+int util_init(struct command_context *cmd_ctx)
+{
+       return register_commands(cmd_ctx, NULL, util_command_handlers);
+}

diff --git a/src/helper/util.h b/src/helper/util.h
new file mode 100644 (file)
index 0000000..267477a
--- /dev/null
+++ b/src/helper/util.h
@@ -0,0 +1,27 @@
+/***************************************************************************
+ *   Copyright (C) 2010 by Øyvind Harboe                                   *
+ *                                                                         *
+ *   This program is free software; you can redistribute it and/or modify  *
+ *   it under the terms of the GNU General Public License as published by  *
+ *   the Free Software Foundation; either version 2 of the License, or     *
+ *   (at your option) any later version.                                   *
+ *                                                                         *
+ *   This program is distributed in the hope that it will be useful,       *
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
+ *   GNU General Public License for more details.                          *
+ *                                                                         *
+ *   You should have received a copy of the GNU General Public License     *
+ *   along with this program; if not, write to the                         *
+ *   Free Software Foundation, Inc.,                                       *
+ *   59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.             *
+ ***************************************************************************/
+
+#ifndef HELPER_UTILS_H
+#define HELPER_UTILS_H
+
+struct command_context;
+
+int util_init(struct command_context *cmd_ctx);
+
+#endif // HELPER_UTILS_H

diff --git a/src/openocd.c b/src/openocd.c
index 04a63074152af9976439cc4cb2c57ebca0c7a66c..69ed7601e63689343f9256e330b3a6868dc93fcd 100644 (file)
--- a/src/openocd.c
+++ b/src/openocd.c
@@ -33,6 +33,7 @@
 #include <jtag/jtag.h>
 #include <jtag/transport.h>
 #include <helper/ioutil.h>
+#include <helper/util.h>
 #include <helper/configuration.h>
 #include <flash/nor/core.h>
 #include <flash/nand/core.h>
@@ -268,6 +269,9 @@ int openocd_main(int argc, char *argv[])
 
        cmd_ctx = setup_command_handler(NULL);
 
+       if (util_init(cmd_ctx) != ERROR_OK)
+               return EXIT_FAILURE;
+
        if (ioutil_init(cmd_ctx) != ERROR_OK)
                return EXIT_FAILURE;