source: rtems/c/src/lib/libbsp/powerpc/papyrus/include/bsp.h @ 3235ad9

4.104.114.84.95
Last change on this file since 3235ad9 was 3235ad9, checked in by Joel Sherrill <joel.sherrill@…>, on 08/23/95 at 19:30:23

Support for variable length names added to Object Handler. This supports
both fixed length "raw" names and strings from the API's point of view.

Both inline and macro implementations were tested.

  • Property mode set to 100644
File size: 3.2 KB
Line 
1/*  bsp.h
2 *
3 *  This include file contains all Papyrus board IO definitions.
4 *
5 *  Author:     Andrew Bray <andy@i-cubed.demon.co.uk>
6 *
7 *  COPYRIGHT (c) 1995 by i-cubed ltd.
8 *
9 *  To anyone who acknowledges that this file is provided "AS IS"
10 *  without any express or implied warranty:
11 *      permission to use, copy, modify, and distribute this file
12 *      for any purpose is hereby granted without fee, provided that
13 *      the above copyright notice and this notice appears in all
14 *      copies, and that the name of i-cubed limited not be used in
15 *      advertising or publicity pertaining to distribution of the
16 *      software without specific, written prior permission.
17 *      i-cubed limited makes no representations about the suitability
18 *      of this software for any purpose.
19 *
20 *  Derived from c/src/lib/libbsp/no_cpu/no_bsp/include/bsp.h
21 *
22 *  COPYRIGHT (c) 1989, 1990, 1991, 1992, 1993, 1994.
23 *  On-Line Applications Research Corporation (OAR).
24 *  All rights assigned to U.S. Government, 1994.
25 *
26 *  This material may be reproduced by or for the U.S. Government pursuant
27 *  to the copyright license under the clause at DFARS 252.227-7013.  This
28 *  notice must appear in all copies of this file and its derivatives.
29 *
30 *  bsp.h,v 1.2 1995/05/31 16:56:13 joel Exp
31 */
32
33#ifndef __PAPYRUS_h
34#define __PAPYRUS_h
35
36#ifdef __cplusplus
37extern "C" {
38#endif
39
40#ifdef ASM
41/* Definition of where to store registers in alignment handler */
42#define ALIGN_REGS 0x0140
43
44#else
45#include <rtems.h>
46
47/*
48 *  Define the time limits for RTEMS Test Suite test durations.
49 *  Long test and short test duration limits are provided.  These
50 *  values are in seconds and need to be converted to ticks for the
51 *  application.
52 *
53 */
54
55#define MAX_LONG_TEST_DURATION       300 /* 5 minutes = 300 seconds */
56#define MAX_SHORT_TEST_DURATION      3   /* 3 seconds */
57
58/*
59 *  Stuff for Time Test 27
60 */
61
62#define MUST_WAIT_FOR_INTERRUPT 0
63
64#define Install_tm27_vector( handler ) set_vector( (handler), PPC_IRQ_SCALL, 1 )
65
66#define Cause_tm27_intr()  asm volatile ("sc")
67
68#define Clear_tm27_intr()
69
70#define Lower_tm27_intr()
71
72/*
73 *  Simple spin delay in microsecond units for device drivers.
74 *  This is very dependent on the clock speed of the target.
75 */
76
77#define delay( microseconds ) \
78  { \
79    unsigned32 start, ticks, now; \
80    asm volatile ("mftblo %0" : "=r" (start)); \
81    ticks = (microseconds) * Cpu_table.clicks_per_usec; \
82    do \
83      asm volatile ("mftblo %0" : "=r" (now)); \
84    while (now - start < ticks); \
85  }
86
87/* Constants */
88
89#define RAM_START 0
90#define RAM_END   0x00200000
91
92/* miscellaneous stuff assumed to exist */
93
94extern rtems_configuration_table BSP_Configuration;     /* owned by BSP */
95extern rtems_cpu_table           Cpu_table;             /* owned by BSP */
96
97/* functions */
98
99void bsp_start( void );
100void bsp_cleanup( void );
101
102rtems_isr_entry set_vector(                    /* returns old vector */
103  rtems_isr_entry     handler,                  /* isr routine        */
104  rtems_vector_number vector,                   /* vector number      */
105  int                 type                      /* RTEMS or RAW intr  */
106);
107#endif /* ASM */
108
109#ifdef __cplusplus
110}
111#endif
112
113#endif
114/* end of include file */
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