source: rtems/c/src/lib/libbsp/i960/i960sim/startup/bspstart.c @ 366e548

4.104.114.84.95
Last change on this file since 366e548 was 366e548, checked in by Joel Sherrill <joel.sherrill@…>, on Sep 4, 2003 at 6:51:31 PM

2003-09-04 Joel Sherrill <joel@…>

  • console/console-io.c, include/bsp.h, startup/bspstart.c: URL for license changed.
  • Property mode set to 100644
File size: 2.2 KB
Line 
1/*
2 *  This routine starts the application.  It includes application,
3 *  board, and monitor specific initialization and configuration.
4 *  The generic CPU dependent initialization has been performed
5 *  before this routine is invoked.
6 *
7 *  COPYRIGHT (c) 1989-1999.
8 *  On-Line Applications Research Corporation (OAR).
9 *
10 *  The license and distribution terms for this file may be
11 *  found in the file LICENSE in this distribution or at
12 *  http://www.rtems.com/license/LICENSE.
13 *
14 *  $Id$
15 */
16
17#include <string.h>
18
19#include <bsp.h>
20#include <rtems/libio.h>
21#include <rtems/libcsupport.h>
22
23/*
24 *  The original table from the application and our copy of it with
25 *  some changes.
26 */
27
28extern rtems_configuration_table Configuration;
29
30rtems_configuration_table  BSP_Configuration;
31
32rtems_cpu_table Cpu_table;
33
34char *rtems_progname;
35
36/*
37 *  Use the shared implementations of the following routines
38 */
39 
40void bsp_postdriver_hook(void);
41void bsp_libc_init( void *, unsigned32, int );
42
43/*
44 *  Function:   bsp_pretasking_hook
45 *  Created:    95/03/10
46 *
47 *  Description:
48 *      BSP pretasking hook.  Called just before drivers are initialized.
49 *      Used to setup libc and install any BSP extensions.
50 *
51 *  NOTES:
52 *      Must not use libc (to do io) from here, since drivers are
53 *      not yet initialized.
54 *
55 */
56 
57void bsp_pretasking_hook(void)
58{
59    extern int HeapBase;
60    extern int HeapSize;
61    void         *heapStart = &HeapBase;
62    unsigned long heapSize = (unsigned long)&HeapSize;
63    unsigned long ramSpace;
64
65    bsp_libc_init(heapStart, heapSize, 0);
66
67#ifdef RTEMS_DEBUG
68    rtems_debug_enable( RTEMS_DEBUG_ALL_MASK );
69#endif
70
71}
72 
73/*
74 *  bsp_start
75 *
76 *  This routine does the bulk of the system initialization.
77 */
78
79#include <libcpu/i960KA.h>
80
81i960_PRCB *Prcb; /* to satisfy linking */
82
83void bsp_start( void )
84{
85  extern int _end;
86  extern int WorkspaceBase;
87  /* Configure Number of Register Caches */
88
89  Cpu_table.pretasking_hook = bsp_pretasking_hook;  /* init libc, etc. */
90  Cpu_table.postdriver_hook = bsp_postdriver_hook;
91  Cpu_table.interrupt_stack_size = 4096;
92
93  if ( BSP_Configuration.work_space_size >(512*1024) )
94   _sys_exit( 1 );
95
96  BSP_Configuration.work_space_start = (void *) &WorkspaceBase;
97}
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