source: rtems/c/src/lib/libbsp/i386/pc386/include/bsp.h @ e029467

4.104.114.84.95
Last change on this file since e029467 was e029467, checked in by Joel Sherrill <joel.sherrill@…>, on 02/18/99 at 15:16:37

Patch from Emmanuel Raguet <raguet@…>:

You will find enclosed a patch which contains, for Intel PC386 target :

  • an Ethernet driver for DEC21140 device based boards.
  • a simple cache management with paging mechanism.
  • Property mode set to 100644
File size: 8.1 KB
Line 
1/*-------------------------------------------------------------------------+
2| bsp.h v1.1 - PC386 BSP - 1997/08/07
3+--------------------------------------------------------------------------+
4| This include file contains definitions related to the PC386 BSP.
5+--------------------------------------------------------------------------+
6| (C) Copyright 1997 -
7| - NavIST Group - Real-Time Distributed Systems and Industrial Automation
8|
9| http://pandora.ist.utl.pt
10|
11| Instituto Superior Tecnico * Lisboa * PORTUGAL
12+--------------------------------------------------------------------------+
13| Modified by Eric Valette the 20/05/98 in order to add definitions used
14| to enhance video putchar capabilities.
15|
16| Copyright (C) 1998  valette@crf.canon.fr
17|
18| Canon Centre Recherche France.
19|
20+--------------------------------------------------------------------------+
21| Disclaimer:
22|
23| This file is provided "AS IS" without warranty of any kind, either
24| expressed or implied.
25+--------------------------------------------------------------------------+
26| This code is based on:
27|   bsp.h,v 1.5 1995/12/19 20:07:30 joel Exp - go32 BSP
28| With the following copyright notice:
29| **************************************************************************
30| *  COPYRIGHT (c) 1989-1998.
31| *  On-Line Applications Research Corporation (OAR).
32| *  Copyright assigned to U.S. Government, 1994.
33| *
34| *  The license and distribution terms for this file may be
35| *  found in found in the file LICENSE in this distribution or at
36| *  http://www.OARcorp.com/rtems/license.html.
37| **************************************************************************
38|
39|  $Id$
40+--------------------------------------------------------------------------*/
41
42
43#ifndef __BSP_H_
44#define __BSP_H_
45
46#ifdef __cplusplus
47extern "C" {
48#endif
49
50#include <rtems.h>
51#include <iosupp.h>
52#include <console.h>
53#include <clockdrv.h>
54#include <libcpu/cpu.h>
55#include <bspIo.h>
56 
57/*
58 * Network driver configuration
59 */
60
61struct rtems_bsdnet_ifconfig;
62extern int rtems_wd_driver_attach (struct rtems_bsdnet_ifconfig *config);
63extern int rtems_dec21140_driver_attach (struct rtems_bsdnet_ifconfig *config);
64
65#if 0
66#define RTEMS_BSP_NETWORK_DRIVER_NAME "wd1"
67#define RTEMS_BSP_NETWORK_DRIVER_ATTACH       rtems_wd_driver_attach
68#endif
69
70#if 1
71#define RTEMS_BSP_NETWORK_DRIVER_NAME "dc1"
72#define RTEMS_BSP_NETWORK_DRIVER_ATTACH       rtems_dec21140_driver_attach
73#endif
74
75
76/*-------------------------------------------------------------------------+
77| Constants
78+--------------------------------------------------------------------------*/
79#define BSP_LIBIO_MAX_FDS 20             /* Number of libio files we want.    */
80
81/*-------------------------------------------------------------------------+
82| Video (console) related constants.
83+--------------------------------------------------------------------------*/
84
85#include <crt.h> 
86 
87/*-------------------------------------------------------------------------+
88| Constants relating to the 8254 (or 8253) programmable interval timers.
89+--------------------------------------------------------------------------*/
90#define IO_TIMER1      0x40
91                  /* Port address of the control port and timer channels */
92#define TIMER_CNTR0    (IO_TIMER1 + 0) /* timer 0 counter port           */
93#define TIMER_CNTR1    (IO_TIMER1 + 1) /* timer 1 counter port           */
94#define TIMER_CNTR2    (IO_TIMER1 + 2) /* timer 2 counter port           */
95#define TIMER_MODE     (IO_TIMER1 + 3) /* timer mode port                */
96#define TIMER_SEL0     0x00            /* select counter 0               */
97#define TIMER_SEL1     0x40            /* select counter 1               */
98#define TIMER_SEL2     0x80            /* select counter 2               */
99#define TIMER_INTTC    0x00            /* mode 0, intr on terminal cnt   */
100#define TIMER_ONESHOT  0x02            /* mode 1, one shot               */
101#define TIMER_RATEGEN  0x04            /* mode 2, rate generator         */
102#define TIMER_SQWAVE   0x06            /* mode 3, square wave            */
103#define TIMER_SWSTROBE 0x08            /* mode 4, s/w triggered strobe   */
104#define TIMER_HWSTROBE 0x0a            /* mode 5, h/w triggered strobe   */
105#define TIMER_LATCH    0x00            /* latch counter for reading      */
106#define TIMER_LSB      0x10            /* r/w counter LSB                */
107#define TIMER_MSB      0x20            /* r/w counter MSB                */
108#define TIMER_16BIT    0x30            /* r/w counter 16 bits, LSB first */
109#define TIMER_BCD      0x01            /* count in BCD                   */
110
111#define TIMER_TICK     1193182  /* The internal tick rate in ticks per second */
112
113/*-------------------------------------------------------------------------+
114| Define the time limits for RTEMS Test Suite test durations. Long test and
115| short test duration limits are provided. These values are in seconds and
116| need to be converted to ticks for the application.
117+--------------------------------------------------------------------------*/
118#define MAX_LONG_TEST_DURATION       300  /* 5 minutes = 300 seconds */
119#define MAX_SHORT_TEST_DURATION      3    /* 3 seconds */
120
121/*-------------------------------------------------------------------------+
122| Macros
123+--------------------------------------------------------------------------*/
124/*-------------------------------------------------------------------------+
125| Define the interrupt mechanism for Time Test 27.
126| NOTE: Use a software interrupt for the i386 family.
127+--------------------------------------------------------------------------*/
128#define MUST_WAIT_FOR_INTERRUPT 0
129#define Install_tm27_vector(handler) \
130{ \
131  rtems_isr_entry dummy; \
132  rtems_interrupt_catch(handler, 0x90, &dummy); \
133}
134#define Cause_tm27_intr() asm volatile("int $0x90" : :);
135#define Clear_tm27_intr()
136#define Lower_tm27_intr()
137
138/*-------------------------------------------------------------------------+
139| Simple spin delay in microsecond units for device drivers.
140| This is very dependent on the clock speed of the target.
141+--------------------------------------------------------------------------*/
142#define delay(_microseconds) \
143{ \
144  rtems_unsigned32 _cnt = _microseconds; \
145  asm volatile ("0: nop; mov %0,%0; loop 0b" : "=c"(_cnt) : "0"(_cnt)); \
146}
147
148/*-------------------------------------------------------------------------+
149| Convert microseconds to ticks and ticks to microseconds.
150+--------------------------------------------------------------------------*/
151#define US_TO_TICK(us) (((us)*105+44)/88)
152#define TICK_TO_US(tk) (((tk)*88+52)/105)
153
154/*-------------------------------------------------------------------------+
155| External Variables.
156+--------------------------------------------------------------------------*/
157#define IDT_SIZE 256
158#define GDT_SIZE 3
159
160extern interrupt_gate_descriptor Interrupt_descriptor_table[IDT_SIZE];
161extern segment_descriptors Global_descriptor_table   [GDT_SIZE];
162 
163extern rtems_configuration_table BSP_Configuration;
164                                    /* User provided BSP configuration table. */
165extern rtems_unsigned32          rtemsFreeMemStart;
166  /* Address of start of free memory - should be used when creating new
167     partitions or regions and updated afterwards. */
168
169/*-------------------------------------------------------------------------+
170| Function Prototypes.
171+--------------------------------------------------------------------------*/
172void          _IBMPC_initVideo(void);    /* from 'outch.c'  */
173void          _IBMPC_outch    (char);    /* from 'outch.c'  */
174rtems_boolean _IBMPC_chrdy    (char *);  /* from 'inch.c'   */
175char          _IBMPC_inch     (void);    /* from 'inch.c'   */
176char          _IBMPC_inch_sleep (void);  /* from 'inch.c'   */
177
178void printk(char *fmt, ...);             /* from 'printk.c' */
179
180void rtemsReboot(void);                  /* from 'exit.c'   */
181
182/* Definitions for BSPConsolePort */
183#define BSP_CONSOLE_PORT_CONSOLE (-1)
184#define BSP_CONSOLE_PORT_COM1    (BSP_UART_COM1)
185#define BSP_CONSOLE_PORT_COM2    (BSP_UART_COM2)
186
187/* GDB stub stuff */
188void i386_stub_glue_init(int uart);
189void i386_stub_glue_init_breakin(void);
190void set_debug_traps(void);
191void breakpoint(void);
192
193#ifdef __cplusplus
194}
195#endif
196
197#endif /* __BSP_H_ */
198/* end of include file */
199
200
201
202
203
204
Note: See TracBrowser for help on using the repository browser.