2009-04-28 Chris Johns <chrisj@rtems.org>

        * bootcard.c, include/bootcard.h: Remove argc/argv/envp and
        replace with a single BSP boot command line a BSP can optionally
        support.

1 files changed, 93 insertions, 0 deletions

diff --git a/c/src/lib/libbsp/shared/bspinit.c b/c/src/lib/libbsp/shared/bspinit.c
new file mode 100644
index 0000000000..1c9f6a4b6b
--- /dev/null
+++ b/c/src/lib/libbsp/shared/bspinit.c
@@ -0,0 +1,93 @@
+/*
+ *  COPYRIGHT (c) 1989-2009.
+ *  On-Line Applications Research Corporation (OAR).
+ *
+ *  The license and distribution terms for this file may be
+ *  found in the file LICENSE in this distribution or at
+ *  http://www.rtems.com/license/LICENSE.
+ *
+ *  $Id$
+ */
+
+#include <stdlib.h>
+#include <string.h>
+
+#include <bsp.h>
+#include <bsp/bootcard.h>
+
+/*
+ * This routine calls main from a confdefs.h default Init task
+ * set up. The bootcard will provide the task argument as
+ * command line string (ASCIIZ).
+ */
+
+int main (int argc, char* argv[]);
+
+void Init (rtems_task_argument arg)
+{
+  const char* boot_cmdline = *((const char**) arg);
+  char*       cmdline = 0;
+  char*       command;
+  int         argc = 0;
+  char**      argv = NULL;
+  int         result = -124;
+
+  if (boot_cmdline)
+  {
+    cmdline = malloc (strlen (boot_cmdline) + 1);
+  
+    if (cmdline)
+    {
+      strcpy (cmdline, boot_cmdline);
+
+      command = cmdline;
+
+      /*
+       * Break the line up into arguments with "" being ignored.
+       */
+      while (true)
+      {
+        command = strtok (command, " \t\r\n");
+        if (command == NULL)
+          break;
+        argc++;
+        command = '\0';
+      }
+
+      argv = calloc (argc, sizeof (char*));
+
+      if (argv)
+      {
+        int a;
+        
+        command = cmdline;
+        argv[0] = command;
+
+        for (a = 1; a < argc; a++)
+        {
+          command += strlen (command) + 1;
+          argv[a] = command;
+        }
+      }
+      else
+        argc = 0;
+    }
+  }
+  
+#ifdef RTEMS_NETWORKING
+  rtems_bsdnet_initialize_network ();
+#endif
+
+  result = main (argc, argv);
+ 
+  free (argv);
+  free (cmdline);
+
+  exit (result);
+}
+
+/*
+ * By making this a weak alias and a user can provide there own.
+ */
+
+void Init (rtems_task_argument arg) __attribute__ ((weak));