1 files changed, 144 insertions, 0 deletions
diff --git a/c/src/lib/libbsp/i386/force386/startup/bspstart.c b/c/src/lib/libbsp/i386/force386/startup/bspstart.c
new file mode 100644
index 0000000000..78def6375c
--- /dev/null
+++ b/c/src/lib/libbsp/i386/force386/startup/bspstart.c
@@ -0,0 +1,144 @@
+/*  bsp_start()
+ *
+ *  This routine starts the application.  It includes application,
+ *  board, and monitor specific initialization and configuration.
+ *  The generic CPU dependent initialization has been performed
+ *  before this routine is invoked.
+ *
+ *  INPUT:  NONE
+ *
+ *  OUTPUT: NONE
+ *
+ *  COPYRIGHT (c) 1989, 1990, 1991, 1992, 1993, 1994.
+ *  On-Line Applications Research Corporation (OAR).
+ *  All rights assigned to U.S. Government, 1994.
+ *
+ *  This material may be reproduced by or for the U.S. Government pursuant
+ *  to the copyright license under the clause at DFARS 252.227-7013.  This
+ *  notice must appear in all copies of this file and its derivatives.
+ *
+ *  $Id$
+ */
+
+#include <rtems.h>
+#include <bsp.h>
+#include <libcsupport.h>
+
+#include <stackchk.h>
+
+/*
+ *  The original table from the application and our copy of it with
+ *  some changes.
+ */
+
+extern rtems_configuration_table  Configuration;
+rtems_configuration_table  BSP_Configuration;
+
+rtems_cpu_table Cpu_table;
+
+/*      Initialize whatever libc we are using
+ *      called from postdriver hook
+ */
+
+void bsp_libc_init()
+{
+    extern int end;
+    rtems_unsigned32        heap_start;
+
+    heap_start = (rtems_unsigned32) &end;
+    if (heap_start & (CPU_ALIGNMENT-1))
+        heap_start = (heap_start + CPU_ALIGNMENT) & ~(CPU_ALIGNMENT-1);
+
+    RTEMS_Malloc_Initialize((void *) heap_start, 64 * 1024, 0);
+
+    /*
+     * Set up for the libc handling.
+     */
+
+    if (BSP_Configuration.ticks_per_timeslice > 0)
+        libc_init(1);                /* reentrant if possible */
+    else
+        libc_init(0);                /* non-reentrant */
+
+    /*
+     *  Initialize the stack bounds checker
+     */
+
+#ifdef STACK_CHECKER_ON
+    Stack_check_Initialize();
+#endif
+
+}
+
+int bsp_start(
+  int argc,
+  char **argv,
+  char **environp
+)
+{
+  /*
+   *  FORCE documentation incorrectly states that the bus request
+   *  level is initialized to 3.  It is actually initialized by
+   *  FORCEbug to 0.
+   */
+
+  outport_byte( 0x00, 0x3f );      /* resets VMEbus request level */
+
+  /*
+   *  we do not use the pretasking_hook.
+   */
+
+  Cpu_table.pretasking_hook = NULL;
+
+  Cpu_table.predriver_hook = bsp_libc_init;  /* RTEMS resources available */
+
+  Cpu_table.postdriver_hook = NULL;   /* Call our main() for constructors */
+
+  Cpu_table.idle_task = NULL;  /* do not override system IDLE task */
+
+  Cpu_table.do_zero_of_workspace = TRUE;
+
+  Cpu_table.interrupt_table_segment = get_ds();
+
+  Cpu_table.interrupt_table_offset = (void *)Interrupt_descriptor_table;
+
+  Cpu_table.interrupt_stack_size = 4096;
+
+  Cpu_table.extra_system_initialization_stack = 0;
+
+  /*
+   *  Copy the table
+   */
+
+  BSP_Configuration = Configuration;
+
+  BSP_Configuration.work_space_start = (void *)
+     RAM_END - BSP_Configuration.work_space_size;
+
+  /*
+   * Add 1 region for Malloc in libc_low
+   */
+
+  BSP_Configuration.maximum_regions++;
+
+  /*
+   * Add 1 extension for newlib libc
+   */
+
+#ifdef RTEMS_NEWLIB
+    BSP_Configuration.maximum_extensions++;
+#endif
+
+  /*
+   * Add another extension if using the stack checker
+   */
+
+#ifdef STACK_CHECKER_ON
+    BSP_Configuration.maximum_extensions++;
+#endif
+
+  rtems_initialize_executive( &BSP_Configuration, &Cpu_table );
+  /* does not return */
+  /* no cleanup necessary for Force CPU-386 */
+  return 0;
+}