Inclusion of PC386 BSP submitted by Pedro Miguel Da Cruz Neto Romano

<pmcnr@camoes.rnl.ist.utl.pt> and Jose Rufino <ruf@asterix.ist.utl.pt>
of NavIST (http://pandora.ist.utl.pt/).

1 files changed, 192 insertions, 0 deletions

diff --git a/c/src/lib/libbsp/i386/pc386/include/bsp.h b/c/src/lib/libbsp/i386/pc386/include/bsp.h
new file mode 100644
index 0000000000..b442389250
--- /dev/null
+++ b/c/src/lib/libbsp/i386/pc386/include/bsp.h
@@ -0,0 +1,192 @@
+/*-------------------------------------------------------------------------+
+| bsp.h v1.1 - PC386 BSP - 1997/08/07
++--------------------------------------------------------------------------+
+| This include file contains definitions related to the PC386 BSP.
++--------------------------------------------------------------------------+
+| (C) Copyright 1997 -
+| - NavIST Group - Real-Time Distributed Systems and Industrial Automation
+|
+| http://pandora.ist.utl.pt
+|
+| Instituto Superior Tecnico * Lisboa * PORTUGAL
++--------------------------------------------------------------------------+
+| Disclaimer:
+|
+| This file is provided "AS IS" without warranty of any kind, either
+| expressed or implied.
++--------------------------------------------------------------------------+
+| This code is based on:
+|   bsp.h,v 1.5 1995/12/19 20:07:30 joel Exp - go32 BSP
+| With the following copyright notice:
+| **************************************************************************
+| * COPYRIGHT (c) 1989, 1990, 1991, 1992, 1993, 1994.                      *
+| * On-Line Applications Research Corporation (OAR).                       *
+| * All rights assigned to U.S. Government, 1994.                          *
+| *                                                                        *
+| * This material may be reproduced by or for the U.S. Government pursuant *
+| * to the copyright license under the clause at DFARS 252.227-7013.  This *
+| * notice must appear in all copies of this file and its derivatives.     *
+| **************************************************************************
++--------------------------------------------------------------------------*/
+
+
+#ifndef __BSP_H_
+#define __BSP_H_
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#include <rtems.h>
+#include <iosupp.h>
+#include <console.h>
+#include <clockdrv.h>
+
+/*-------------------------------------------------------------------------+
+| Constants
++--------------------------------------------------------------------------*/
+#define BSP_LIBIO_MAX_FDS 20             /* Number of libio files we want.    */
+
+/*-------------------------------------------------------------------------+
+| Memory related constants.
++--------------------------------------------------------------------------*/
+#ifdef RTEMS_SMALL_MEMORY                /* We only have low (640K) memory.   */
+
+#define RAM_START 0x00000
+#define RAM_END	  0xA0000
+
+#else                                    /* We have at least 2048K of memory. */
+
+#define RAM_START 0x100000
+#define RAM_END   0x200000
+
+#endif /* RTEMS_SMALL_MEMORY */
+
+#define HEAP_SIZE 64  /* Size of libc Heap (used for malloc et al) in KBytes. */
+
+/*-------------------------------------------------------------------------+
+| Video (console) related constants.
++--------------------------------------------------------------------------*/
+#define COLOUR  1  /* Assume colour console */
+
+#if COLOUR
+
+# define        GDC_REG_PORT    0x3D4
+# define        GDC_VAL_PORT    0x3D5
+# define        TVRAM           ((rtems_unsigned16 *)0xB8000)
+
+#else
+
+# define        GDC_REG_PORT    0x3B4
+# define        GDC_VAL_PORT    0x3B5
+# define        TVRAM           ((rtems_unsigned16 *)0xB0000)
+
+#endif /* COLOUR */
+
+/* Number of Video Lines & Columns */
+
+#define MAX_COL 80
+
+#ifdef RTEMS_VIDEO_80x50
+#define MAX_ROW 50
+#else
+#define MAX_ROW 25
+#endif /* RTEMS_VIDEO_80x50 */
+
+/*-------------------------------------------------------------------------+
+| Constants relating to the 8254 (or 8253) programmable interval timers.
++--------------------------------------------------------------------------*/
+#define IO_TIMER1      0x40
+                  /* Port address of the control port and timer channels */
+#define TIMER_CNTR0    (IO_TIMER1 + 0) /* timer 0 counter port           */
+#define TIMER_CNTR1    (IO_TIMER1 + 1) /* timer 1 counter port           */
+#define TIMER_CNTR2    (IO_TIMER1 + 2) /* timer 2 counter port           */
+#define TIMER_MODE     (IO_TIMER1 + 3) /* timer mode port                */
+#define TIMER_SEL0     0x00            /* select counter 0               */
+#define TIMER_SEL1     0x40            /* select counter 1               */
+#define TIMER_SEL2     0x80            /* select counter 2               */
+#define TIMER_INTTC    0x00            /* mode 0, intr on terminal cnt   */
+#define TIMER_ONESHOT  0x02            /* mode 1, one shot               */
+#define TIMER_RATEGEN  0x04            /* mode 2, rate generator         */
+#define TIMER_SQWAVE   0x06            /* mode 3, square wave            */
+#define TIMER_SWSTROBE 0x08            /* mode 4, s/w triggered strobe   */
+#define TIMER_HWSTROBE 0x0a            /* mode 5, h/w triggered strobe   */
+#define TIMER_LATCH    0x00            /* latch counter for reading      */
+#define TIMER_LSB      0x10            /* r/w counter LSB                */
+#define TIMER_MSB      0x20            /* r/w counter MSB                */
+#define TIMER_16BIT    0x30            /* r/w counter 16 bits, LSB first */
+#define TIMER_BCD      0x01            /* count in BCD                   */
+
+#define	TIMER_TICK     1193182  /* The internal tick rate in ticks per second */
+
+/*-------------------------------------------------------------------------+
+| Define the time limits for RTEMS Test Suite test durations. Long test and
+| short test duration limits are provided. These values are in seconds and
+| need to be converted to ticks for the application.
++--------------------------------------------------------------------------*/
+#define MAX_LONG_TEST_DURATION       300  /* 5 minutes = 300 seconds */
+#define MAX_SHORT_TEST_DURATION      3    /* 3 seconds */
+
+/*-------------------------------------------------------------------------+
+| Macros
++--------------------------------------------------------------------------*/
+/*-------------------------------------------------------------------------+
+| Define the interrupt mechanism for Time Test 27.
+| NOTE: Use a software interrupt for the i386 family.
++--------------------------------------------------------------------------*/
+#define MUST_WAIT_FOR_INTERRUPT 0
+#define Install_tm27_vector(handler) \
+{ \
+  rtems_isr_entry dummy; \
+  rtems_interrupt_catch(handler, 0x90, &dummy); \
+}
+#define Cause_tm27_intr() asm volatile("int $0x90" : :);
+#define Clear_tm27_intr()
+#define Lower_tm27_intr()
+
+/*-------------------------------------------------------------------------+
+| Simple spin delay in microsecond units for device drivers.
+| This is very dependent on the clock speed of the target.
++--------------------------------------------------------------------------*/
+#define delay(_microseconds) \
+{ \
+  rtems_unsigned32 _cnt = _microseconds; \
+  asm volatile ("0: nop; mov %0,%0; loop 0b" : "=c"(_cnt) : "0"(_cnt)); \
+}
+
+/*-------------------------------------------------------------------------+
+| Convert microseconds to ticks and ticks to microseconds.
++--------------------------------------------------------------------------*/
+#define US_TO_TICK(us) (((us)*105+44)/88)
+#define TICK_TO_US(tk) (((tk)*88+52)/105)
+
+/*-------------------------------------------------------------------------+
+| External Variables.
++--------------------------------------------------------------------------*/
+extern i386_IDT_slot Interrupt_descriptor_table[256];
+extern i386_GDT_slot Global_descriptor_table   [8192];
+ 
+extern rtems_configuration_table BSP_Configuration;
+                                    /* User provided BSP configuration table. */
+extern rtems_unsigned32          rtemsFreeMemStart;
+  /* Address of start of free memory - should be used when creating new
+     partitions or regions and updated afterwards. */
+
+/*-------------------------------------------------------------------------+
+| Function Prototypes.
++--------------------------------------------------------------------------*/
+void          _IBMPC_initVideo(void);    /* from 'outch.c'  */
+void          _IBMPC_outch    (char);    /* from 'outch.c'  */
+rtems_boolean _IBMPC_chrdy    (char *);  /* from 'inch.c'   */
+char          _IBMPC_inch     (void);    /* from 'inch.c'   */ 
+
+void printk(char *fmt, ...);             /* from 'printk.c' */
+
+void rtemsReboot(void);                  /* from 'exit.c'   */
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* __BSP_H_ */
+/* end of include file */