1 files changed, 122 insertions, 0 deletions
diff --git a/c/src/lib/libbsp/or32/orp/startup/bspstart.c b/c/src/lib/libbsp/or32/orp/startup/bspstart.c
new file mode 100644
index 0000000000..85e1f4ff3f
--- /dev/null
+++ b/c/src/lib/libbsp/or32/orp/startup/bspstart.c
@@ -0,0 +1,122 @@
+/*
+ *  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.
+ *
+ *  COPYRIGHT (c) 1989-1999.
+ *  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.OARcorp.com/rtems/license.html.
+ *
+ *  This file adapted from no_bsp board library of the RTEMS distribution.
+ *  The body has been modified for the Bender Or1k implementation by
+ *  Chris Ziomkowski. <chris@asics.ws>
+ */
+
+#include <bsp.h>
+#include <rtems/libio.h>
+ 
+#include <libcsupport.h>
+ 
+#include <string.h>
+extern int _mem_end;
+ 
+/*
+ *  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;
+
+char *rtems_progname;
+
+/*
+ *  Use the shared implementations of the following routines
+ */
+ 
+void bsp_postdriver_hook(void);
+void bsp_libc_init( void *, unsigned32, int );
+
+/*
+ *  Function:   bsp_pretasking_hook
+ *  Created:    95/03/10
+ *
+ *  Description:
+ *      BSP pretasking hook.  Called just before drivers are initialized.
+ *      Used to setup libc and install any BSP extensions.
+ *
+ *  NOTES:
+ *      Must not use libc (to do io) from here, since drivers are
+ *      not yet initialized.
+ *
+ */
+ 
+void bsp_pretasking_hook(void)
+{
+    rtems_unsigned32        heap_start;
+
+    heap_start = (rtems_unsigned32) _mem_end;
+    if (heap_start & (CPU_ALIGNMENT-1))
+        heap_start = (heap_start + CPU_ALIGNMENT) & ~(CPU_ALIGNMENT-1);
+
+    bsp_libc_init((void *) heap_start, 64 * 1024, 0);
+
+#ifdef RTEMS_DEBUG
+    rtems_debug_enable( RTEMS_DEBUG_ALL_MASK );
+#endif
+}
+ 
+/*
+ *  bsp_start
+ *
+ *  This routine does the bulk of the system initialization.
+ */
+
+void bsp_start( void )
+{
+  /*
+   *  Allocate the memory for the RTEMS Work Space.  This can come from
+   *  a variety of places: hard coded address, malloc'ed from outside
+   *  RTEMS world (e.g. simulator or primitive memory manager), or (as
+   *  typically done by stock BSPs) by subtracting the required amount
+   *  of work space from the last physical address on the CPU board.
+   */
+
+  /*
+   *  Need to "allocate" the memory for the RTEMS Workspace and
+   *  tell the RTEMS configuration where it is.  This memory is
+   *  not malloc'ed.  It is just "pulled from the air".
+   */
+
+  BSP_Configuration.work_space_start = _mem_end;
+  _mem_end += BSP_Configuration.work_space_size + 512;
+  ( BSP_Configuration.work_space_size + 512 );
+   
+  BSP_Configuration.work_space_start = (void *) ((unsigned int)((char *)BSP_Configuration.work_space_start + CPU_ALIGNMENT) & ~(CPU_ALIGNMENT-1));
+
+  /*
+   *  initialize the CPU table for this BSP
+   */
+
+  Cpu_table.pretasking_hook = bsp_pretasking_hook;  /* init libc, etc. */
+  Cpu_table.postdriver_hook = bsp_postdriver_hook;
+  Cpu_table.do_zero_of_workspace = FALSE;
+  Cpu_table.interrupt_stack_size = CONFIGURE_INTERRUPT_STACK_MEMORY;
+
+  /*
+   *  Start RTEMS
+   */
+
+  rtems_initialize_executive( &BSP_Configuration, &Cpu_table );
+
+  bsp_cleanup();
+
+  return 0;
+}