source: rtems/c/src/lib/libbsp/sparc/leon/include/bsp.h @ ac43f07

4.104.114.84.95
Last change on this file since ac43f07 was ac43f07, checked in by Joel Sherrill <joel.sherrill@…>, on Dec 18, 2001 at 2:10:54 PM

2001-12-09 Ralf Corsepius <corsepiu@…>

  • configure.ac: Add RTEMS_BSPOPTS*(CONSOLE_USE_INTERRUPTS). Add RTEMS_BSPOPTS*(SIMSPARC_FAST_IDLE). Remove RTEMS_OUTPUT_BUILD_SUBDIRS.
  • include/bsp.h: include bspopts.h.
  • Property mode set to 100644
File size: 4.2 KB
Line 
1/*  bsp.h
2 *
3 *  This include file contains all SPARC simulator definitions.
4 *
5 *  COPYRIGHT (c) 1989-1998.
6 *  On-Line Applications Research Corporation (OAR).
7 *  Copyright assigned to U.S. Government, 1994.
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 *  Ported to ERC32 implementation of the SPARC by On-Line Applications
14 *  Research Corporation (OAR) under contract to the European Space
15 *  Agency (ESA).
16 *
17 *  ERC32 modifications of respective RTEMS file: COPYRIGHT (c) 1995.
18 *  European Space Agency.
19 *
20 *  $Id$
21 */
22
23#ifndef __SIS_h
24#define __SIS_h
25
26#ifdef __cplusplus
27extern "C" {
28#endif
29
30#include <bspopts.h>
31
32#include <rtems.h>
33#include <iosupp.h>
34#include <leon.h>
35#include <clockdrv.h>
36
37#include <console.h>
38
39/*
40 *  confdefs.h overrides for this BSP:
41 *   - two termios serial ports
42 *   - Interrupt stack space is not minimum if defined.
43 */
44
45#define CONFIGURE_NUMBER_OF_TERMIOS_PORTS 2
46#define CONFIGURE_INTERRUPT_STACK_MEMORY  (16 * 1024)
47
48
49/*
50 *  Define the time limits for RTEMS Test Suite test durations.
51 *  Long test and short test duration limits are provided.  These
52 *  values are in seconds and need to be converted to ticks for the
53 *  application.
54 *
55 */
56
57#define MAX_LONG_TEST_DURATION       3   /* 3 seconds */
58#define MAX_SHORT_TEST_DURATION      3   /* 3 seconds */
59
60/*
61 *  Define the interrupt mechanism for Time Test 27
62 *
63 *  NOTE: Since the interrupt code for the SPARC supports both synchronous
64 *        and asynchronous trap handlers, support for testing with both
65 *        is included.
66 */
67
68#define SIS_USE_SYNCHRONOUS_TRAP  0
69
70/*
71 *  The synchronous trap is an arbitrarily chosen software trap.
72 */
73
74#if (SIS_USE_SYNCHRONOUS_TRAP == 1)
75
76#define TEST_VECTOR SPARC_SYNCHRONOUS_TRAP( 0x90 )
77
78#define MUST_WAIT_FOR_INTERRUPT 1
79
80#define Install_tm27_vector( handler ) \
81  set_vector( (handler), TEST_VECTOR, 1 );
82
83#define Cause_tm27_intr() \
84  asm volatile( "ta 0x10; nop " );
85
86#define Clear_tm27_intr() 
87
88#define Lower_tm27_intr()
89
90/*
91 *  The asynchronous trap is an arbitrarily chosen ERC32 interrupt source.
92 */
93
94#else   /* use a regular asynchronous trap */
95
96#define TEST_INTERRUPT_SOURCE LEON_INTERRUPT_EXTERNAL_1
97#define TEST_VECTOR LEON_TRAP_TYPE( TEST_INTERRUPT_SOURCE )
98#define TEST_INTERRUPT_SOURCE2 LEON_INTERRUPT_EXTERNAL_1+1
99#define TEST_VECTOR2 LEON_TRAP_TYPE( TEST_INTERRUPT_SOURCE2 )
100#define MUST_WAIT_FOR_INTERRUPT 1
101 
102#define Install_tm27_vector( handler ) \
103  set_vector( (handler), TEST_VECTOR, 1 ); \
104  set_vector( (handler), TEST_VECTOR2, 1 );
105 
106#define Cause_tm27_intr() \
107  do { \
108    LEON_Force_interrupt( TEST_INTERRUPT_SOURCE+(Interrupt_nest>>1)); \
109    nop(); \
110    nop(); \
111    nop(); \
112  } while (0)
113 
114#define Clear_tm27_intr() \
115  LEON_Clear_interrupt( TEST_INTERRUPT_SOURCE )
116 
117#define Lower_tm27_intr()
118
119#endif
120
121/*
122 *  Simple spin delay in microsecond units for device drivers.
123 *  This is very dependent on the clock speed of the target.
124 */
125
126extern void Clock_delay(rtems_unsigned32 microseconds);
127
128#define delay( microseconds ) Clock_delay(microseconds)
129
130/* Constants */
131
132/*
133 *  Information placed in the linkcmds file.
134 */
135
136extern int   RAM_START;
137extern int   RAM_END;
138extern int   RAM_SIZE;
139 
140extern int   PROM_START;
141extern int   PROM_END;
142extern int   PROM_SIZE;
143
144extern int   CLOCK_SPEED;
145 
146extern int   end;        /* last address in the program */
147
148/*
149 *  Device Driver Table Entries
150 */
151 
152/*
153 * NOTE: Use the standard Console driver entry
154 */
155 
156/*
157 * NOTE: Use the standard Clock driver entry
158 */
159 
160 
161/* miscellaneous stuff assumed to exist */
162
163void bsp_cleanup( void );
164
165void bsp_start( void );
166
167rtems_isr_entry set_vector(                     /* returns old vector */
168    rtems_isr_entry     handler,                /* isr routine        */
169    rtems_vector_number vector,                 /* vector number      */
170    int                 type                    /* RTEMS or RAW intr  */
171);
172
173void DEBUG_puts( char *string );
174
175void BSP_fatal_return( void );
176
177void bsp_spurious_initialize( void );
178
179extern rtems_configuration_table BSP_Configuration;     /* owned by BSP */
180
181extern rtems_cpu_table           Cpu_table;             /* owned by BSP */
182
183#ifdef __cplusplus
184}
185#endif
186
187#endif
188/* end of include file */
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