source: rtems/c/src/lib/libbsp/m68k/sim68000/include/bsp.h @ b812f84

4.104.114.84.95
Last change on this file since b812f84 was b812f84, checked in by Joel Sherrill <joel.sherrill@…>, on Aug 1, 2000 at 8:01:14 PM

Added sim68000 BSP for the BSVC simulator. This BSP includes the
alias simcpu32 that supports the CPU32 simulator in BSVC. At this
point, it is still under development.

  • Property mode set to 100644
File size: 2.2 KB
Line 
1/*  bsp.h
2 *
3 *  This include file contains some definitions specific to the
4 *  BSVC simulator BSP.
5 *
6 *  COPYRIGHT (c) 1989-2000.
7 *  On-Line Applications Research Corporation (OAR).
8 *
9 *  The license and distribution terms for this file may be
10 *  found in the file LICENSE in this distribution or at
11 *  http://www.OARcorp.com/rtems/license.html.
12 *
13 *  $Id$
14 */
15
16#ifndef __BSVC_SIM
17#define __BSVC_SIM
18
19#ifdef __cplusplus
20extern "C" {
21#endif
22
23#include <rtems.h>
24#include <iosupp.h>
25#include <console.h>
26#include <clockdrv.h>
27
28/*
29 *  Define some hardware constants here
30 */
31
32/*
33 *  Define the time limits for RTEMS Test Suite test durations.
34 *  Long test and short test duration limits are provided.  These
35 *  values are in seconds and need to be converted to ticks for the
36 *  application.
37 *
38 */
39
40#define MAX_LONG_TEST_DURATION       300 /* 5 minutes = 300 seconds */
41#define MAX_SHORT_TEST_DURATION      3   /* 3 seconds */
42
43/*
44 *  Define the interrupt mechanism for Time Test 27
45 *
46 *  NOTE: Following are not defined for the BSVC Simulator YET.
47 *
48 */
49
50#define MUST_WAIT_FOR_INTERRUPT 0
51
52#define Install_tm27_vector( handler ) /* set_vector( (handler), 6, 1 ) */
53
54#define Cause_tm27_intr() 
55
56#define Clear_tm27_intr() 
57
58#define Lower_tm27_intr()
59
60/*
61 *  Simple spin delay in microsecond units for device drivers.
62 *  This is very dependent on the clock speed of the target.
63 */
64
65#define delay( microseconds ) \
66  { register rtems_unsigned32 _delay=(microseconds); \
67    register rtems_unsigned32 _tmp = 0; /* initialized to avoid warning */ \
68    asm volatile( "0: \
69                     remo      3,31,%0 ; \
70                     cmpo      0,%0 ; \
71                     subo      1,%1,%1 ; \
72                     cmpobne.t 0,%1,0b " \
73                  : "=d" (_tmp), "=d" (_delay) \
74                  : "0"  (_tmp), "1"  (_delay) ); \
75  }
76
77/* Constants */
78
79/* miscellaneous stuff assumed to exist */
80
81extern rtems_configuration_table BSP_Configuration;
82
83/*
84 *  Device Driver Table Entries
85 */
86
87/*
88 * NOTE: Use the standard Console driver entry
89 */
90 
91/*
92 * NOTE: Use the standard Clock driver entry
93 */
94
95/* functions */
96
97void bsp_cleanup( void );
98
99m68k_isr_entry set_vector( rtems_isr_entry, rtems_vector_number, int );
100
101#ifdef __cplusplus
102}
103#endif
104
105#endif
106/* end of include file */
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