config.c32: new module to just load a configuration file

Trivial module to load a new configuration file from the command
line.

diff --git a/com32/modules/Makefile b/com32/modules/Makefile
index 1c0cd47..1bce20b 100644 (file)
--- a/com32/modules/Makefile
+++ b/com32/modules/Makefile
@@ -17,7 +17,8 @@
 topdir = ../..
 include ../MCONFIG
 
-MODULES          = chain.c32 ethersel.c32 mboot.c32 dmitest.c32 cpuidtest.c32 \
+MODULES          = chain.c32 config.c32 ethersel.c32 mboot.c32 dmitest.c32 \
+           cpuidtest.c32 \
            pcitest.c32 elf.c32 linux.c32 reboot.c32 pmload.c32 meminfo.c32 \
            sdi.c32 sanboot.c32 ifcpu64.c32 vesainfo.c32
 

diff --git a/com32/modules/config.c b/com32/modules/config.c
new file mode 100644 (file)
index 0000000..214e3ea
--- /dev/null
+++ b/com32/modules/config.c
@@ -0,0 +1,38 @@
+/* ----------------------------------------------------------------------- *
+ *
+ *   Copyright 2009 H. Peter Anvin - All Rights Reserved
+ *
+ *   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, Inc., 51 Franklin St, Fifth Floor,
+ *   Boston MA 02110-1301, USA; either version 2 of the License, or
+ *   (at your option) any later version; incorporated herein by reference.
+ *
+ * ----------------------------------------------------------------------- */
+
+/*
+ * config.c
+ *
+ * Loads a new configuration file
+ *
+ * Usage: config filename
+ */
+
+#include <stdio.h>
+#include <console.h>
+#include <syslinux/boot.h>
+
+int main(int argc, char *argv[])
+{
+  openconsole(&dev_null_r, &dev_stdcon_w);
+
+  if (argc != 2) {
+    fprintf(stderr, "Usage: config <filename>\n");
+    return 1;
+  }
+
+  syslinux_run_kernel_image(argv[1], "", 0, IMAGE_TYPE_CONFIG);
+
+  fprintf(stderr, "config: %s: failed to load (missing file?)\n", argv[1]);
+  return 1;
+}