source: rtems/c/src/lib/libbsp/mips/jmr3904/startup/bspstart.c @ 3239698

4.104.114.84.9
Last change on this file since 3239698 was 3239698, checked in by Ralf Corsepius <ralf.corsepius@…>, on Apr 15, 2004 at 1:26:21 PM

Remove stray white spaces.

  • Property mode set to 100644
File size: 2.8 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) 1989-2000.
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 *, uint32_t, 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
64    bsp_libc_init(heapStart, (uint32_t) heapSize, 0);
65
66#ifdef RTEMS_DEBUG
67    rtems_debug_enable( RTEMS_DEBUG_ALL_MASK );
68#endif
69
70}
71 
72/*
73 *  bsp_start
74 *
75 *  This routine does the bulk of the system initialization.
76 */
77
78void bsp_start( void )
79{
80  extern int WorkspaceBase;
81  extern void _sys_exit(int);
82  extern void mips_install_isr_entries(void);
83
84  /* Configure Number of Register Caches */
85
86  Cpu_table.pretasking_hook = bsp_pretasking_hook;  /* init libc, etc. */
87  Cpu_table.postdriver_hook = bsp_postdriver_hook;
88  Cpu_table.interrupt_stack_size = 4096;
89
90  /* HACK -- tied to value linkcmds */
91  if ( BSP_Configuration.work_space_size >(4096*1024) )
92   _sys_exit( 1 );
93
94  BSP_Configuration.work_space_start = (void *) &WorkspaceBase;
95
96  mips_set_sr( 0xff00 );  /* all interrupts unmasked but globally off */
97                          /* depend on the IRC to take care of things */
98  mips_install_isr_entries();
99}
100
101/* XXX */
102void clear_cache( void *address, size_t n )
103{
104}
105
106/* Structure filled in by get_mem_info.  Only the size field is
107   actually used (to clear bss), so the others aren't even filled in.  */
108
109struct s_mem
110{
111  unsigned int size;
112  unsigned int icsize;
113  unsigned int dcsize;
114};
115
116
117void
118get_mem_info (mem)
119     struct s_mem *mem;
120{
121  mem->size = 0x1000000;        /* XXX figure out something here */
122}
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