source: rtems/c/src/lib/libbsp/mips/hurricane/include/bsp.h @ a052181

4.115
Last change on this file since a052181 was a052181, checked in by Sebastian Huber <sebastian.huber@…>, on 11/14/12 at 08:59:10

score: Add RTEMS_FATAL_SOURCE_EXIT

Include <bsp/default-initial-extension.h> in all BSPs. Call
rtems_fatal() with RTEMS_FATAL_SOURCE_EXIT as source and the exit()
status code as fatal code in every bsp_cleanup(). Move previous
bsp_cleanup() code into bsp_fatal_extension().

  • Property mode set to 100644
File size: 1.8 KB
Line 
1/**
2 *  @file
3 * 
4 */
5
6/*
7 *  COPYRIGHT (c) 1989-2012.
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
15#ifndef _BSP_H
16#define _BSP_H
17
18#ifdef __cplusplus
19extern "C" {
20#endif
21
22#include <bspopts.h>
23#include <bsp/default-initial-extension.h>
24
25#include <rtems.h>
26#include <rtems/iosupp.h>
27#include <rtems/console.h>
28#include <rtems/clockdrv.h>
29#include <libcpu/rm5231.h>
30
31extern void WriteDisplay( char * string );
32
33extern uint32_t mips_get_timer( void );
34
35#define BSP_FEATURE_IRQ_EXTENSION
36#define BSP_SHARED_HANDLER_SUPPORT      1
37
38#define CPU_CLOCK_RATE_MHZ     (200)
39#define CLOCKS_PER_MICROSECOND ( CPU_CLOCK_RATE_MHZ ) /* equivalent to CPU clock speed in MHz */
40
41/*
42 *  Simple spin delay in microsecond units for device drivers.
43 *  This is very dependent on the clock speed of the target.
44 *
45 *  NOTE: This macro generates a warning like "integer constant out
46 *        of range" which is safe to ignore.  In 64 bit mode, unsigned32
47 *        types are actually 64 bits long so that comparisons between
48 *        unsigned32 types and pointers are valid.  The warning is caused
49 *        by code in the delay macro that is necessary for 64 bit mode.
50 */
51
52#define rtems_bsp_delay( microseconds ) \
53  { \
54     uint32_t _end_clock = \
55          mips_get_timer() + microseconds * CLOCKS_PER_MICROSECOND; \
56     _end_clock %= 0x100000000;  /* make sure result is 32 bits */ \
57     \
58     /* handle timer overflow, if necessary */ \
59     while ( _end_clock < mips_get_timer() );  \
60     \
61     while ( _end_clock > mips_get_timer() ); \
62  }
63
64/* Constants */
65
66#define RAM_START 0
67#define RAM_END   0x100000
68
69#ifdef __cplusplus
70}
71#endif
72
73#endif  /* __HURRICANE_BSP_h */
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