1 files changed, 175 insertions, 0 deletions
diff --git a/c/src/lib/libbsp/m68k/idp/startup/bspstart.c b/c/src/lib/libbsp/m68k/idp/startup/bspstart.c
new file mode 100644
index 0000000000..843a137485
--- /dev/null
+++ b/c/src/lib/libbsp/m68k/idp/startup/bspstart.c
@@ -0,0 +1,175 @@
+/*  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 "cpu.h"
+#include "libcsupport.h"
+
+unsigned char *duart_base;
+extern struct duart_regs duart_info;
+
+#define DELAY 5000
+
+void led_putnum();
+
+/*
+ *  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);
+ 
+	/* Create 64 KByte memory region for RTEMS executive */
+    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
+)
+{
+  m68k_isr *monitors_vector_table;
+  int          index;
+
+  duart_base = (unsigned char *)DUART_ADDR;
+
+  /* 
+   *  Set the VBR here to the monitor's default.
+   */
+
+  monitors_vector_table = (m68k_isr *)0;   /* This is where
+											  you set vector base
+											  register = 0 */
+  m68k_set_vbr( monitors_vector_table );
+
+  /* The vector interrupt table for the 680x0 is in appendix B-2 
+	 of the M68000 Family Programmer's reference table */
+  for ( index=2 ; index<=255 ; index++ )
+    M68Kvec[ index ] = monitors_vector_table[ 32 ];
+
+
+  M68Kvec[  2 ] = monitors_vector_table[  2 ];   /* bus error vector */
+  M68Kvec[  4 ] = monitors_vector_table[  4 ];   /* breakpoints vector */
+  M68Kvec[  9 ] = monitors_vector_table[  9 ];   /* trace vector */
+
+  /* 
+   *  Set the VBR here if you do not want to use the monitor's vector table.
+   */
+
+  m68k_set_vbr( &M68Kvec );
+
+  m68k_enable_caching();
+
+  /*
+   *  we only use a hook to get the C library initialized.
+   */
+ 
+  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_vector_table = (m68k_isr *) &M68Kvec;
+ 
+  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 the RTEMS Malloc
+   */
+ 
+  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
+ 
+/*  led_putnum('e'); * for debugging purposes only */
+  rtems_initialize_executive( &BSP_Configuration, &Cpu_table );/* does not return */
+ 
+  /* Clock_exit is done as an atexit() function */
+
+  return 0;
+}