source: rtems/c/src/lib/libbsp/m68k/gen68302/startup/bspstart.c @ d6284ab

4.104.114.84.9
Last change on this file since d6284ab was d6284ab, checked in by Joel Sherrill <joel.sherrill@…>, on Sep 4, 2003 at 6:51:48 PM

2003-09-04 Joel Sherrill <joel@…>

  • clock/ckinit.c, console/console.c, include/bsp.h, include/coverhd.h, start/start.S, startup/bspclean.c, startup/bspstart.c, startup/linkcmds, timer/timer.c: URL for license changed.
  • Property mode set to 100644
File size: 2.3 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;
29rtems_configuration_table  BSP_Configuration;
30
31rtems_cpu_table Cpu_table;
32
33char *rtems_progname;
34
35/*
36 *  Use the shared implementations of the following routines
37 */
38 
39void bsp_postdriver_hook(void);
40void bsp_libc_init( void *, unsigned32, int );
41void bsp_pretasking_hook(void);               /* m68k version */
42
43/*
44 *  bsp_start
45 *
46 *  This routine does the bulk of the system initialization.
47 */
48
49void bsp_start( void )
50{
51  extern void          *_WorkspaceBase;
52  extern void          *_RamSize;
53  extern void          *_RamSize;
54  extern unsigned long  _M68k_Ramsize;
55
56  _M68k_Ramsize = (unsigned long)&_RamSize;             /* RAM size set in linker script */
57
58  /*
59   *  Allocate the memory for the RTEMS Work Space.  This can come from
60   *  a variety of places: hard coded address, malloc'ed from outside
61   *  RTEMS world (e.g. simulator or primitive memory manager), or (as
62   *  typically done by stock BSPs) by subtracting the required amount
63   *  of work space from the last physical address on the CPU board.
64   */
65#if 0
66  Cpu_table.interrupt_vector_table = (mc68000_isr *) 0/*&M68Kvec*/;
67#endif
68
69  /*
70   *  Need to "allocate" the memory for the RTEMS Workspace and
71   *  tell the RTEMS configuration where it is.  This memory is
72   *  not malloc'ed.  It is just "pulled from the air".
73   */
74
75  BSP_Configuration.work_space_start = (void *) &_WorkspaceBase;
76
77  /*
78   *  initialize the CPU table for this BSP
79   */
80
81  Cpu_table.pretasking_hook = bsp_pretasking_hook;  /* init libc, etc. */
82  Cpu_table.postdriver_hook = bsp_postdriver_hook;
83  Cpu_table.interrupt_stack_size = CONFIGURE_INTERRUPT_STACK_MEMORY;
84}
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