source: rtems/c/src/lib/libbsp/i386/pc386/include/bsp.h @ 4977f07e

4.115
Last change on this file since 4977f07e was 4977f07e, checked in by Joel Sherrill <joel.sherrill@…>, on Oct 9, 2014 at 5:56:18 PM

i386/pc386: Eliminate multiple warnings

  • Property mode set to 100644
File size: 8.4 KB
Line 
1/**
2 * @file
3 *
4 * @ingroup i386_pc386
5 *
6 * @brief Global BSP definitions.
7 */
8
9/*-------------------------------------------------------------------------+
10| bsp.h v1.1 - PC386 BSP - 1997/08/07
11+--------------------------------------------------------------------------+
12| This include file contains definitions related to the PC386 BSP.
13+--------------------------------------------------------------------------+
14| (C) Copyright 1997 -
15| - NavIST Group - Real-Time Distributed Systems and Industrial Automation
16|
17| http://pandora.ist.utl.pt
18|
19| Instituto Superior Tecnico * Lisboa * PORTUGAL
20+--------------------------------------------------------------------------+
21| Modified by Eric Valette the 20/05/98 in order to add definitions used
22| to enhance video putchar capabilities.
23|
24| Copyright (C) 1998  valette@crf.canon.fr
25|
26| Canon Centre Recherche France.
27|
28+--------------------------------------------------------------------------+
29| Disclaimer:
30|
31| This file is provided "AS IS" without warranty of any kind, either
32| expressed or implied.
33+--------------------------------------------------------------------------+
34| This code is based on:
35|   bsp.h,v 1.5 1995/12/19 20:07:30 joel Exp - go32 BSP
36| With the following copyright notice:
37| **************************************************************************
38| *  COPYRIGHT (c) 1989-1999.
39| *  On-Line Applications Research Corporation (OAR).
40| *
41| *  The license and distribution terms for this file may be
42| *  found in the file LICENSE in this distribution or at
43| *  http://www.rtems.org/license/LICENSE.
44| **************************************************************************
45+--------------------------------------------------------------------------*/
46
47#ifndef _BSP_H
48#define _BSP_H
49
50#ifdef __cplusplus
51extern "C" {
52#endif
53
54#include <bspopts.h>
55#include <bsp/default-initial-extension.h>
56
57#include <rtems.h>
58#include <rtems/iosupp.h>
59#include <rtems/console.h>
60#include <rtems/clockdrv.h>
61#include <libcpu/cpu.h>
62#include <rtems/bspIo.h>
63
64/**
65 * @degroup pc386_i386 PC386 Support
66 *
67 * @ingroup bsp_i386
68 *
69 * @brief PC386 support.
70 */
71
72#define BSP_HAS_FRAME_BUFFER 1
73
74/*
75 * Network driver configuration
76 */
77struct rtems_bsdnet_ifconfig;
78
79/* app. may provide a routine (called _very_ early) to tell us
80 * which ports to use for printk / console. BSP provides a default
81 * implementation (weak alias) which does nothing (use BSP default
82 * ports).
83 */
84extern void
85BSP_runtime_console_select(int *pPrintkPort, int *pConsolePort);
86
87extern int rtems_ne_driver_attach(struct rtems_bsdnet_ifconfig *, int);
88#define BSP_NE2000_NETWORK_DRIVER_NAME      "ne1"
89#define BSP_NE2000_NETWORK_DRIVER_ATTACH    rtems_ne_driver_attach
90
91extern int rtems_wd_driver_attach(struct rtems_bsdnet_ifconfig *, int);
92#define BSP_WD8003_NETWORK_DRIVER_NAME      "wd1"
93#define BSP_WD8003_NETWORK_DRIVER_ATTACH    rtems_wd_driver_attach
94
95extern int rtems_dec21140_driver_attach(struct rtems_bsdnet_ifconfig *, int);
96#define BSP_DEC21140_NETWORK_DRIVER_NAME    "dc1"
97#define BSP_DEC21140_NETWORK_DRIVER_ATTACH  rtems_dec21140_driver_attach
98
99extern int rtems_3c509_driver_attach(struct rtems_bsdnet_ifconfig *config);
100#define BSP_3C509_NETWORK_DRIVER_NAME    "3c1"
101#define BSP_3C509_NETWORK_DRIVER_ATTACH  rtems_3c509_driver_attach
102
103#ifndef RTEMS_BSP_NETWORK_DRIVER_NAME
104#define RTEMS_BSP_NETWORK_DRIVER_NAME   BSP_DEC21140_NETWORK_DRIVER_NAME
105#endif
106
107#ifndef RTEMS_BSP_NETWORK_DRIVER_ATTACH
108#define RTEMS_BSP_NETWORK_DRIVER_ATTACH BSP_DEC21140_NETWORK_DRIVER_ATTACH
109#endif
110
111/*-------------------------------------------------------------------------+
112| Constants
113+--------------------------------------------------------------------------*/
114
115/*-------------------------------------------------------------------------+
116| Constants relating to the 8254 (or 8253) programmable interval timers.
117+--------------------------------------------------------------------------*/
118#define IO_TIMER1      0x40
119                  /* Port address of the control port and timer channels */
120#define TIMER_CNTR0    (IO_TIMER1 + 0) /* timer 0 counter port           */
121#define TIMER_CNTR1    (IO_TIMER1 + 1) /* timer 1 counter port           */
122#define TIMER_CNTR2    (IO_TIMER1 + 2) /* timer 2 counter port           */
123#define TIMER_MODE     (IO_TIMER1 + 3) /* timer mode port                */
124#define TIMER_SEL0     0x00            /* select counter 0               */
125#define TIMER_SEL1     0x40            /* select counter 1               */
126#define TIMER_SEL2     0x80            /* select counter 2               */
127#define TIMER_INTTC    0x00            /* mode 0, intr on terminal cnt   */
128#define TIMER_ONESHOT  0x02            /* mode 1, one shot               */
129#define TIMER_RATEGEN  0x04            /* mode 2, rate generator         */
130#define TIMER_SQWAVE   0x06            /* mode 3, square wave            */
131#define TIMER_SWSTROBE 0x08            /* mode 4, s/w triggered strobe   */
132#define TIMER_HWSTROBE 0x0a            /* mode 5, h/w triggered strobe   */
133#define TIMER_LATCH    0x00            /* latch counter for reading      */
134#define TIMER_LSB      0x10            /* r/w counter LSB                */
135#define TIMER_MSB      0x20            /* r/w counter MSB                */
136#define TIMER_16BIT    0x30            /* r/w counter 16 bits, LSB first */
137#define TIMER_BCD      0x01            /* count in BCD                   */
138#define TIMER_RD_BACK  0xc0            /* Read Back Command              */
139                /* READ BACK command layout in the Command Register      */
140#define RB_NOT_COUNT    0x40           /* Don't select counter latch     */
141#define RB_NOT_STATUS   0x20           /* Don't select status latch      */
142#define RB_COUNT_0      0x02           /* Counter 0 latch                */
143#define RB_COUNT_1      0x04           /* Counter 1 latch                */
144#define RB_COUNT_2      0x08           /* Counter 2 latch                */
145#define RB_OUTPUT       0x80           /* Output of the counter is 1     */
146
147#define TIMER_TICK     1193182  /* The internal tick rate in ticks per second */
148
149/*-------------------------------------------------------------------------+
150| Console Defines
151|      WARNING: These Values MUST match the order in
152|               Console_Configuration_Ports
153+--------------------------------------------------------------------------*/
154#define    BSP_CONSOLE_VGA            0
155#define    BSP_CONSOLE_COM1           1
156#define    BSP_CONSOLE_COM2           2
157
158/*-------------------------------------------------------------------------+
159| Convert microseconds to ticks and ticks to microseconds.
160+--------------------------------------------------------------------------*/
161#define US_TO_TICK(us) (((us)*105+44)/88)
162#define TICK_TO_US(tk) (((tk)*88+52)/105)
163
164/*-------------------------------------------------------------------------+
165| External Variables.
166+--------------------------------------------------------------------------*/
167#define IDT_SIZE 256
168#define GDT_SIZE 3
169
170extern interrupt_gate_descriptor Interrupt_descriptor_table[IDT_SIZE];
171extern segment_descriptors Global_descriptor_table   [GDT_SIZE];
172
173/*-------------------------------------------------------------------------+
174| Function Prototypes.
175+--------------------------------------------------------------------------*/
176void          _IBMPC_initVideo(void);    /* from 'outch.c'  */
177void          _IBMPC_outch    (char);    /* from 'outch.c'  */
178char          _IBMPC_inch     (void);    /* from 'inch.c'   */
179char          _IBMPC_inch_sleep (void);  /* from 'inch.c'   */
180
181void Wait_X_ms(unsigned int timeToWait); /* from 'timer.c'  */
182void Calibrate_loop_1ms(void);           /* from 'timer.c'  */
183
184void rtems_irq_mngt_init(void);          /* from 'irq_init.c' */
185
186void bsp_size_memory(void);              /* from 'bspstart.c' */
187
188void Clock_driver_install_handler(void); /* from 'ckinit.c'  */
189void Clock_driver_support_initialize_hardware(void); /* from 'ckinit.c'  */
190
191size_t read_aux(char * buffer, size_t count); /* from 'ps2_mouse.c'  */
192
193/* Definitions for BSPConsolePort */
194#define BSP_CONSOLE_PORT_CONSOLE (-1)
195#define BSP_CONSOLE_PORT_COM1    (BSP_UART_COM1)
196#define BSP_CONSOLE_PORT_COM2    (BSP_UART_COM2)
197
198/*
199 * Command line.
200 */
201const char* bsp_cmdline(void);
202const char* bsp_cmdline_arg(const char* arg);
203
204/*
205 * IDE command line parsing.
206 */
207void bsp_ide_cmdline_init(void);
208
209/*
210 * indicate, that BSP has IDE driver
211 */
212#define RTEMS_BSP_HAS_IDE_DRIVER
213
214/* GDB stub stuff */
215void i386_stub_glue_init(int uart);
216void i386_stub_glue_init_breakin(void);
217void set_debug_traps(void);
218void breakpoint(void);
219
220#define BSP_MAXIMUM_DEVICES 6
221
222#ifdef __cplusplus
223}
224#endif
225
226#endif /* _BSP_H */
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