1 files changed, 194 insertions, 0 deletions
diff --git a/c/src/lib/libbsp/powerpc/papyrus/startup/bspstart.c b/c/src/lib/libbsp/powerpc/papyrus/startup/bspstart.c
new file mode 100644
index 0000000000..a018c4cbfb
--- /dev/null
+++ b/c/src/lib/libbsp/powerpc/papyrus/startup/bspstart.c
@@ -0,0 +1,194 @@
+/*  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
+ *
+ *  Author:	Andrew Bray <andy@i-cubed.demon.co.uk>
+ *
+ *  COPYRIGHT (c) 1995 by i-cubed ltd.
+ *
+ *  To anyone who acknowledges that this file is provided "AS IS"
+ *  without any express or implied warranty:
+ *      permission to use, copy, modify, and distribute this file
+ *      for any purpose is hereby granted without fee, provided that
+ *      the above copyright notice and this notice appears in all
+ *      copies, and that the name of i-cubed limited not be used in
+ *      advertising or publicity pertaining to distribution of the
+ *      software without specific, written prior permission.
+ *      i-cubed limited makes no representations about the suitability
+ *      of this software for any purpose.
+ *
+ *  Derived from c/src/lib/libbsp/no_cpu/no_bsp/startup/bspstart.c:
+ *
+ *  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.
+ *
+ *  bspstart.c,v 1.2 1995/05/31 16:56:29 joel Exp
+ */
+
+#include <rtems.h>
+#include <bsp.h>
+#include <shm.h>
+#include <libcsupport.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);
+
+    /*
+     *  The last parameter to RTEMS_Malloc_Initialize is the "chunk"
+     *  size which a multiple of will be requested on each sbrk()
+     *  call by malloc().  A value of 0 indicates that sbrk() should
+     *  not be called to extend the heap.
+     */
+
+    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
+}
+
+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.
+   */
+
+  /*
+   *  Copy the Configuration Table .. so we can change it
+   */
+
+  BSP_Configuration = Configuration;
+
+  /*
+   * Add 1 region for the RTEMS Malloc
+   */
+
+  BSP_Configuration.maximum_regions++;
+
+  /*
+   * Add 1 extension for newlib libc
+   */
+
+#ifdef RTEMS_NEWLIB
+    BSP_Configuration.maximum_extensions++;
+#endif
+
+  /*
+   * Add 1 extension for stack checker
+   */
+
+#ifdef STACK_CHECKER_ON
+    BSP_Configuration.maximum_extensions++;
+#endif
+
+  /*
+   *  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_size *= 4;*/
+
+  BSP_Configuration.work_space_start = (void *)
+      RAM_END - BSP_Configuration.work_space_size;
+
+  /*
+   *  initialize the CPU table for this BSP
+   */
+
+  /*
+   *  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;
+
+  Cpu_table.idle_task = NULL;  /* do not override system IDLE task */
+
+  Cpu_table.do_zero_of_workspace = TRUE;
+
+  Cpu_table.interrupt_stack_size = 4 * 1024;
+
+  Cpu_table.extra_system_initialization_stack = 0;
+
+  /*
+   *  Don't forget the other CPU Table entries.
+   */
+
+  Cpu_table.clicks_per_usec = 10;
+
+  Cpu_table.serial_per_sec = 10000000;
+
+  Cpu_table.serial_external_clock = 1;
+
+  Cpu_table.serial_xon_xoff = 0;
+
+  Cpu_table.serial_cts_rts = 1;
+
+  Cpu_table.serial_rate = 9600;
+
+  Cpu_table.timer_average_overhead = 2;
+
+  Cpu_table.timer_least_valid = 3;
+
+  /*
+   *  Start RTEMS
+   */
+
+  rtems_initialize_executive( &BSP_Configuration, &Cpu_table );
+
+  bsp_cleanup();
+}