1 files changed, 172 insertions, 0 deletions
diff --git a/schedsim/shell/shared/schedsim.c b/schedsim/shell/shared/schedsim.c
new file mode 100644
index 0000000..532fb71
--- /dev/null
+++ b/schedsim/shell/shared/schedsim.c
@@ -0,0 +1,172 @@
+/*
+ *  COPYRIGHT (c) 1989-2013.
+ *  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.
+ */
+
+#include <newlib/getopt.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <ctype.h>
+
+#include "shell.h"
+#include "rtems_sched.h"
+#include "schedsim_shell.h"
+
+/*
+ *  Variables to control global behavior
+ */
+int verbose = 1;
+const char *progname;
+const char *scriptname;
+
+FILE *Script;
+int ScriptFileLine = 0;
+
+/*
+ *  Print program usage message
+ */
+void usage()
+{
+  fprintf(
+    stderr,
+    "Usage: %s [-v] script\n"
+    "\n"
+    "  -v           - enable verbose output\n",
+    progname
+  );
+  exit( -1 );
+}
+
+#define RTEMS_SHELL_MAXIMUM_ARGUMENTS (128)
+
+int ProcessScript(
+  FILE *script
+)
+{
+  char               buffer[512];
+  int                sc;
+  char              *cStatus;
+  char              *c;
+  size_t             length;
+  int                argc;
+  char              *argv[RTEMS_SHELL_MAXIMUM_ARGUMENTS];
+  rtems_shell_cmd_t *shell_cmd;
+  
+ 
+  while ( 1 ) {
+    cStatus = fgets( buffer, sizeof(buffer), script );
+    if ( cStatus == NULL )
+      break;
+    // If the last line does not have a CR, then we don't want to
+    // arbitrarily clobber an = instead of a \n.
+    length = strlen(buffer);
+    if ( buffer[ length - 1] == '\n' )
+      buffer[ length - 1] = '\0';
+
+    if ( verbose )
+      printf( "==> %d: %s\n", ++ScriptFileLine, buffer );
+
+    if ( buffer[0] == '#' )
+      continue;
+
+    for ( c = buffer ; *c ; c++ ) {
+      if (!isblank((int)*c))
+        break;
+    }
+
+
+    if (!strcmp(c,"bye") || !strcmp(c,"exit")) {
+      exit( 0 );
+    } 
+
+    if (rtems_shell_make_args(c, &argc, argv, RTEMS_SHELL_MAXIMUM_ARGUMENTS)) {
+      fprintf(stderr, "Error parsing arguments\n" );
+      continue;
+    }
+
+    if ( argc == 0 )
+      continue;
+
+    shell_cmd = rtems_shell_lookup_cmd(argv[0]);
+    if ( !shell_cmd ) {
+      fprintf(stderr, "%s is unknown command\n", c );
+      exit( 1 );
+    }
+
+    sc = shell_cmd->command(argc, argv);
+    if ( sc != 0 ) {
+      fprintf( stderr, "ERROR: Command %s returned %d\n", argv[0], sc );
+      exit( sc );
+    }
+  }
+}
+
+int main(
+  int argc,
+  char **argv
+)
+{
+  int  sc;  
+  int  opt;
+
+  progname = argv[0];
+  
+  while ((opt = getopt(argc, argv, "v")) != -1) {
+    switch (opt) {
+      case 'v': verbose = 0;                break;
+      default: /* '?' */
+        usage();
+    }
+  }
+
+  if ( optind >= argc ) {
+    scriptname = "-"; 
+  } else {
+    scriptname = argv[ optind ];
+  }
+
+  if ( !strcmp( scriptname, "-" ) ) {
+    scriptname = "/dev/stdin";
+  }
+
+  if ( verbose ) {
+    printf(
+      "Script File               : %s\n"
+      "verbose                   : %d\n",
+      scriptname,
+      verbose
+    );
+  }
+
+  //
+  //  Initialize the command interpreter
+  //
+  rtems_shell_initialize_command_set();
+  add_commands();
+
+  //
+  //  Open the script file
+  // 
+  Script = fopen( scriptname, "r" );
+  if ( !Script ) {
+    fprintf( stderr, "Unable to open script file (%s)\n", scriptname );
+    exit( -1 );
+  }
+
+  //
+  //  Process the Script
+  //
+  sc = ProcessScript( Script );
+
+  //
+  //  Open the script file
+  // 
+  (void) fclose( Script );
+
+  return sc;
+}