diff options
Diffstat (limited to 'c/src/lib/libbsp/m68k/dmv152')
| -rw-r--r-- | c/src/lib/libbsp/m68k/dmv152/clock/ckinit.c | 101 | ||||
| -rw-r--r-- | c/src/lib/libbsp/m68k/dmv152/console/console.c | 186 | ||||
| -rw-r--r-- | c/src/lib/libbsp/m68k/dmv152/include/bsp.h | 169 | ||||
| -rw-r--r-- | c/src/lib/libbsp/m68k/dmv152/include/coverhd.h | 104 | ||||
| -rw-r--r-- | c/src/lib/libbsp/m68k/dmv152/spurious/spinit.c | 46 | ||||
| -rw-r--r-- | c/src/lib/libbsp/m68k/dmv152/startup/bspstart.c | 171 | ||||
| -rw-r--r-- | c/src/lib/libbsp/m68k/dmv152/startup/linkcmds | 48 | ||||
| -rw-r--r-- | c/src/lib/libbsp/m68k/dmv152/startup/vmeintr.c | 60 | ||||
| -rw-r--r-- | c/src/lib/libbsp/m68k/dmv152/timer/timer.c | 105 | ||||
| -rw-r--r-- | c/src/lib/libbsp/m68k/dmv152/timer/timerisr.s | 38 |
10 files changed, 0 insertions, 1028 deletions
diff --git a/c/src/lib/libbsp/m68k/dmv152/clock/ckinit.c b/c/src/lib/libbsp/m68k/dmv152/clock/ckinit.c deleted file mode 100644 index d5f0f5e023..0000000000 --- a/c/src/lib/libbsp/m68k/dmv152/clock/ckinit.c +++ /dev/null @@ -1,101 +0,0 @@ -/* Clock_init() - * - * This routine initializes the Z80386 1 on the MVME136 board. - * The tick frequency is 1 millisecond. - * - * Input parameters: NONE - * - * Output parameters: NONE - * - * 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. - * - * $Id$ - */ - -#include <stdlib.h> - -#include <rtems.h> -#include <bsp.h> -#include <clockdrv.h> - -rtems_unsigned32 Clock_isrs; /* ISRs until next tick */ -volatile rtems_unsigned32 Clock_driver_ticks; - /* ticks since initialization */ -rtems_isr_entry Old_ticker; - -rtems_device_driver Clock_initialize( - rtems_device_major_number major, - rtems_device_minor_number minor, - void *pargp, - rtems_id tid, - rtems_unsigned32 *rval -) -{ - Install_clock( Clock_isr ); -} - -void ReInstall_clock( - rtems_isr_entry clock_isr -) -{ - rtems_unsigned32 isrlevel = 0 ; - - rtems_interrupt_disable( isrlevel ); - (void) set_vector( clock_isr, TIMER_VECTOR, 1 ); - rtems_interrupt_enable( isrlevel ); -} - -void Install_clock( - rtems_isr_entry clock_isr -) -{ - rtems_unsigned8 data; - - Clock_driver_ticks = 0; - Clock_isrs = BSP_Configuration.microseconds_per_tick / 1000; - - if ( BSP_Configuration.ticks_per_timeslice ) { - Old_ticker = (rtems_isr_entry) set_vector( clock_isr, TIMER_VECTOR, 1 ); - - Z8x36_WRITE( TIMER, MASTER_CFG, 0xd4 ); - Z8x36_READ ( TIMER, MASTER_INTR, data ); - Z8x36_WRITE( TIMER, MASTER_INTR, (data & 0x7E) ); - Z8x36_WRITE( TIMER, CT1_TIME_CONST_MSB, 0x04 ); - Z8x36_WRITE( TIMER, CT1_TIME_CONST_LSB, 0xCE ); - Z8x36_WRITE( TIMER, CT1_MODE_SPEC, 0x83 ); - Z8x36_WRITE( TIMER, CNT_TMR_VECTOR, TIMER_VECTOR ); - Z8x36_WRITE( TIMER, CT1_CMD_STATUS, 0x20 ); - Z8x36_READ ( TIMER, MASTER_INTR, data ); - Z8x36_WRITE( TIMER, MASTER_INTR, (data & 0xDA) | 0x80 ); - - /* - * ACC_IC54 - interrupt 5 will be vectored and mapped to level 6 - */ - - data = (*(rtems_unsigned8 *)0x0D00000B); - (*(rtems_unsigned8 *)0x0D00000B) = (data & 0x7F) | 0x60; - - Z8x36_WRITE( TIMER, CT1_CMD_STATUS, 0xC6 ); - - atexit( Clock_exit ); - } -} - -void Clock_exit( void ) -{ - rtems_unsigned8 data; - - if ( BSP_Configuration.ticks_per_timeslice ) { - - Z8x36_READ ( TIMER, MASTER_INTR, data ); - Z8x36_WRITE( TIMER, MASTER_INTR, (data & 0x01) ); - /* do not restore old vector */ - - } -} diff --git a/c/src/lib/libbsp/m68k/dmv152/console/console.c b/c/src/lib/libbsp/m68k/dmv152/console/console.c deleted file mode 100644 index bb0f365b9c..0000000000 --- a/c/src/lib/libbsp/m68k/dmv152/console/console.c +++ /dev/null @@ -1,186 +0,0 @@ -/* - * This file contains the DMV152 console IO package. - * - * 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. - * - * $Id$ - */ - -#define D152_INIT - -#include <rtems.h> -#include "console.h" -#include "bsp.h" - -/* console_initialize - * - * This routine initializes the console IO driver. - * - * Input parameters: NONE - * - * Output parameters: NONE - * - * Return values: - */ - -rtems_device_driver console_initialize( - rtems_device_major_number major, - rtems_device_minor_number minor, - void *arg, - rtems_id self, - rtems_unsigned32 *status -) -{ - *status = RTEMS_SUCCESSFUL; -} - - -/* is_character_ready - * - * This routine returns TRUE if a character is available. - * - * Input parameters: NONE - * - * Output parameters: NONE - * - * Return values: - */ - -rtems_boolean is_character_ready( - char *ch -) -{ - rtems_unsigned8 rr_0; - - for ( ; ; ) { - Z8x30_READ_CONTROL( CONSOLE_CONTROL, RR_0, rr_0 ); - if ( !(rr_0 & RR_0_RX_DATA_AVAILABLE) ) - return( FALSE ); - - Z8x30_READ_DATA( CONSOLE_DATA, *ch ); - return( TRUE ); - } -} - -/* inbyte - * - * This routine reads a character from the SCC. - * - * Input parameters: NONE - * - * Output parameters: NONE - * - * Return values: - * character read from SCC - */ - -char inbyte( void ) -{ - rtems_unsigned8 rr_0; - char ch; - - for ( ; ; ) { - Z8x30_READ_CONTROL( CONSOLE_CONTROL, RR_0, rr_0 ); - if ( (rr_0 & RR_0_RX_DATA_AVAILABLE) != 0 ) - break; - } - - Z8x30_READ_DATA( CONSOLE_DATA, ch ); - return ( ch ); -} - -/* outbyte - * - * This routine transmits a character out the SCC. It supports - * XON/XOFF flow control. - * - * Input parameters: - * ch - character to be transmitted - * - * Output parameters: NONE - */ - -void outbyte( - char ch -) -{ - rtems_unsigned8 rr_0; - char flow_control; - - for ( ; ; ) { - Z8x30_READ_CONTROL( CONSOLE_CONTROL, RR_0, rr_0 ); - if ( (rr_0 & RR_0_TX_BUFFER_EMPTY) != 0 ) - break; - } - - for ( ; ; ) { - Z8x30_READ_CONTROL( CONSOLE_CONTROL, RR_0, rr_0 ); - if ( (rr_0 & RR_0_RX_DATA_AVAILABLE) == 0 ) - break; - - Z8x30_READ_DATA( CONSOLE_DATA, flow_control ); - - if ( flow_control == XOFF ) - do { - do { - Z8x30_READ_CONTROL( CONSOLE_CONTROL, RR_0, rr_0 ); - } while ( (rr_0 & RR_0_RX_DATA_AVAILABLE) == 0 ); - Z8x30_READ_DATA( CONSOLE_DATA, flow_control ); - } while ( flow_control != XON ); - } - - Z8x30_WRITE_DATA( CONSOLE_DATA, ch ); -} - -/* - * __read -- read bytes from the serial port. Ignore fd, since - * we only have stdin. - */ - -int __read( - int fd, - char *buf, - int nbytes -) -{ - int i = 0; - - for (i = 0; i < nbytes; i++) { - *(buf + i) = inbyte(); - if ((*(buf + i) == '\n') || (*(buf + i) == '\r')) { - (*(buf + i++)) = '\n'; - (*(buf + i)) = 0; - break; - } - } - return (i); -} - -/* - * __write -- write bytes to the serial port. Ignore fd, since - * stdout and stderr are the same. Since we have no filesystem, - * open will only return an error. - */ - -int __write( - int fd, - char *buf, - int nbytes -) -{ - int i; - - for (i = 0; i < nbytes; i++) { - if (*(buf + i) == '\n') { - outbyte ('\r'); - } - outbyte (*(buf + i)); - } - return (nbytes); -} diff --git a/c/src/lib/libbsp/m68k/dmv152/include/bsp.h b/c/src/lib/libbsp/m68k/dmv152/include/bsp.h deleted file mode 100644 index 7e4f423102..0000000000 --- a/c/src/lib/libbsp/m68k/dmv152/include/bsp.h +++ /dev/null @@ -1,169 +0,0 @@ -/* bsp.h - * - * This include file contains all DMV152 board IO definitions. - * - * 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. - * - * $Id$ - */ - -#ifndef __DMV152_h -#define __DMV152_h - -#ifdef __cplusplus -extern "C" { -#endif - -#include <rtems.h> -#include <iosupp.h> -#include <z8530.h> -#include <z8536.h> - -/* - * 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 */ - -/* - * Define the interrupt mechanism for Time Test 27 - */ - -/* use a VMEbus interrupt */ - -#define MUST_WAIT_FOR_INTERRUPT 1 - -#define Install_tm27_vector( handler ) \ - { \ - set_vector( (handler), 0x50, 1 ); \ - (*(volatile rtems_unsigned32 *)0x0d800024) = 0x50; /* set IVECT reg */ \ - (*(volatile rtems_unsigned8 *)0x0d00000c) = 0x40; /* set VIE reg */ \ - } - -#define Cause_tm27_intr() \ - (*(volatile rtems_unsigned8 *)0x0d000003) = 0x0f /* set VINT */ - -#define Clear_tm27_intr() /* no operation necessary */ - -#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 ) \ - { register rtems_unsigned32 _delay=(microseconds); \ - register rtems_unsigned32 _tmp=123; \ - asm volatile( "0: \ - nbcd %0 ; \ - nbcd %0 ; \ - dbf %1,0b" \ - : "=d" (_tmp), "=d" (_delay) \ - : "0" (_tmp), "1" (_delay) ); \ - } - -/* macros */ - -#undef Z8x36_STATE0 -#undef Z8x36_WRITE -#undef Z8x36_READ - -#define Z8x36_STATE0 ( z8536 ) \ - { char *garbage; \ - (garbage) = *(VOL8(z8536+0x7)) \ - } - -#define Z8x36_WRITE( z8536, reg, data ) \ - *(VOL8(z8536+0x7)) = (reg); \ - *(VOL8(z8536+0x7)) = (data) - -#define Z8x36_READ( z8536, reg, data ) \ - *(VOL8(z8536+0x7)) = (reg); \ - (data) = *(VOL8(z8536+0x7)) - -/* - * ACC Register Addresses - */ - -#define ACC_BASE 0x0D000000 - -#define ACC_STAT0 ((volatile rtems_unsigned8 *) (ACC_BASE + 0x00)) -#define ACC_STAT1 ((volatile rtems_unsigned8 *) (ACC_BASE + 0x01)) -#define ACC_GENCTL ((volatile rtems_unsigned8 *) (ACC_BASE + 0x02)) -#define ACC_VINT ((volatile rtems_unsigned8 *) (ACC_BASE + 0x03)) -#define ACC_VREQ ((volatile rtems_unsigned8 *) (ACC_BASE + 0x04)) -#define ACC_VARB ((volatile rtems_unsigned8 *) (ACC_BASE + 0x05)) -#define ACC_ID ((volatile rtems_unsigned8 *) (ACC_BASE + 0x06)) -#define ACC_CTL2 ((volatile rtems_unsigned8 *) (ACC_BASE + 0x07)) -#define ACC_7IS ((volatile rtems_unsigned8 *) (ACC_BASE + 0x08)) -#define ACC_LIS ((volatile rtems_unsigned8 *) (ACC_BASE + 0x09)) -#define ACC_7IE ((volatile rtems_unsigned8 *) (ACC_BASE + 0x0A)) -#define ACC_LIE ((volatile rtems_unsigned8 *) (ACC_BASE + 0x0B)) -#define ACC_VIE ((volatile rtems_unsigned8 *) (ACC_BASE + 0x0C)) -#define ACC_IC10 ((volatile rtems_unsigned8 *) (ACC_BASE + 0x0D)) -#define ACC_IC32 ((volatile rtems_unsigned8 *) (ACC_BASE + 0x0E)) -#define ACC_IC54 ((volatile rtems_unsigned8 *) (ACC_BASE + 0x0F)) - -/* constants */ - -#define RAM_START 0 -#define RAM_END 0x100000 - -#define USE_CHANNEL_A 0 /* 1 = use channel A for console */ -#define USE_CHANNEL_B 1 /* 1 = use channel B for console */ - -#define TIMER 0x0c000000 -#define TIMER_VECTOR 0x4D - -#if (USE_CHANNEL_A == 1) -#define CONSOLE_CONTROL 0x0C800007 -#define CONSOLE_DATA 0x0C800005 -#elif (USE_CHANNEL_B == 1) -#define CONSOLE_CONTROL 0x0C800001 -#define CONSOLE_DATA 0x0C800003 -#endif - -/* Structures */ - -#ifdef D152_INIT -#undef EXTERN -#define EXTERN -#else -#undef EXTERN -#define EXTERN extern -#endif - -/* miscellaneous stuff assumed to exist */ - -extern rtems_configuration_table BSP_Configuration; - -extern m68k_isr M68Kvec[]; /* vector table address */ - -/* functions */ - -void bsp_cleanup( void ); - -m68k_isr set_vector( - rtems_isr_entry handler, - rtems_vector_number vector, - int type -); - -#ifdef __cplusplus -} -#endif - -#endif -/* end of include file */ diff --git a/c/src/lib/libbsp/m68k/dmv152/include/coverhd.h b/c/src/lib/libbsp/m68k/dmv152/include/coverhd.h deleted file mode 100644 index 0033a50502..0000000000 --- a/c/src/lib/libbsp/m68k/dmv152/include/coverhd.h +++ /dev/null @@ -1,104 +0,0 @@ -/* coverhd.h - * - * This include file has defines to represent the overhead associated - * with calling a particular directive from C on this target. - * - * 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. - * - * $Id$ - */ - -#ifndef __COVERHD_h -#define __COVERHD_h - -#ifdef __cplusplus -extern "C" { -#endif - -#define CALLING_OVERHEAD_INITIALIZE_EXECUTIVE 2 -#define CALLING_OVERHEAD_SHUTDOWN_EXECUTIVE 1 -#define CALLING_OVERHEAD_TASK_CREATE 3 -#define CALLING_OVERHEAD_TASK_IDENT 2 -#define CALLING_OVERHEAD_TASK_START 2 -#define CALLING_OVERHEAD_TASK_RESTART 2 -#define CALLING_OVERHEAD_TASK_DELETE 1 -#define CALLING_OVERHEAD_TASK_SUSPEND 1 -#define CALLING_OVERHEAD_TASK_RESUME 2 -#define CALLING_OVERHEAD_TASK_SET_PRIORITY 2 -#define CALLING_OVERHEAD_TASK_MODE 2 -#define CALLING_OVERHEAD_TASK_GET_NOTE 2 -#define CALLING_OVERHEAD_TASK_SET_NOTE 2 -#define CALLING_OVERHEAD_TASK_WAKE_WHEN 4 -#define CALLING_OVERHEAD_TASK_WAKE_AFTER 1 -#define CALLING_OVERHEAD_INTERRUPT_CATCH 2 -#define CALLING_OVERHEAD_CLOCK_GET 4 -#define CALLING_OVERHEAD_CLOCK_SET 4 -#define CALLING_OVERHEAD_CLOCK_TICK 1 - -#define CALLING_OVERHEAD_TIMER_CREATE 2 -#define CALLING_OVERHEAD_TIMER_IDENT 1 -#define CALLING_OVERHEAD_TIMER_DELETE 2 -#define CALLING_OVERHEAD_TIMER_FIRE_AFTER 2 -#define CALLING_OVERHEAD_TIMER_FIRE_WHEN 5 -#define CALLING_OVERHEAD_TIMER_RESET 1 -#define CALLING_OVERHEAD_TIMER_CANCEL 1 -#define CALLING_OVERHEAD_SEMAPHORE_CREATE 2 -#define CALLING_OVERHEAD_SEMAPHORE_IDENT 1 -#define CALLING_OVERHEAD_SEMAPHORE_DELETE 2 -#define CALLING_OVERHEAD_SEMAPHORE_OBTAIN 2 -#define CALLING_OVERHEAD_SEMAPHORE_RELEASE 1 -#define CALLING_OVERHEAD_MESSAGE_QUEUE_CREATE 2 -#define CALLING_OVERHEAD_MESSAGE_QUEUE_IDENT 2 -#define CALLING_OVERHEAD_MESSAGE_QUEUE_DELETE 1 -#define CALLING_OVERHEAD_MESSAGE_QUEUE_SEND 2 -#define CALLING_OVERHEAD_MESSAGE_QUEUE_URGENT 2 -#define CALLING_OVERHEAD_MESSAGE_QUEUE_BROADCAST 2 -#define CALLING_OVERHEAD_MESSAGE_QUEUE_RECEIVE 2 -#define CALLING_OVERHEAD_MESSAGE_QUEUE_FLUSH 2 - -#define CALLING_OVERHEAD_EVENT_SEND 2 -#define CALLING_OVERHEAD_EVENT_RECEIVE 2 -#define CALLING_OVERHEAD_SIGNAL_CATCH 2 -#define CALLING_OVERHEAD_SIGNAL_SEND 2 -#define CALLING_OVERHEAD_PARTITION_CREATE 3 -#define CALLING_OVERHEAD_PARTITION_IDENT 2 -#define CALLING_OVERHEAD_PARTITION_DELETE 2 -#define CALLING_OVERHEAD_PARTITION_GET_BUFFER 2 -#define CALLING_OVERHEAD_PARTITION_RETURN_BUFFER 2 -#define CALLING_OVERHEAD_REGION_CREATE 3 -#define CALLING_OVERHEAD_REGION_IDENT 2 -#define CALLING_OVERHEAD_REGION_DELETE 1 -#define CALLING_OVERHEAD_REGION_GET_SEGMENT 3 -#define CALLING_OVERHEAD_REGION_RETURN_SEGMENT 2 -#define CALLING_OVERHEAD_PORT_CREATE 3 -#define CALLING_OVERHEAD_PORT_IDENT 2 -#define CALLING_OVERHEAD_PORT_DELETE 2 -#define CALLING_OVERHEAD_PORT_EXTERNAL_TO_INTERNAL 2 -#define CALLING_OVERHEAD_PORT_INTERNAL_TO_EXTERNAL 2 - -#define CALLING_OVERHEAD_IO_INITIALIZE 3 -#define CALLING_OVERHEAD_IO_OPEN 2 -#define CALLING_OVERHEAD_IO_CLOSE 2 -#define CALLING_OVERHEAD_IO_READ 2 -#define CALLING_OVERHEAD_IO_WRITE 2 -#define CALLING_OVERHEAD_IO_CONTROL 2 -#define CALLING_OVERHEAD_FATAL_ERROR_OCCURRED 1 -#define CALLING_OVERHEAD_RATE_MONOTONIC_CREATE 2 -#define CALLING_OVERHEAD_RATE_MONOTONIC_IDENT 2 -#define CALLING_OVERHEAD_RATE_MONOTONIC_DELETE 1 -#define CALLING_OVERHEAD_RATE_MONOTONIC_CANCEL 1 -#define CALLING_OVERHEAD_RATE_MONOTONIC_PERIOD 2 -#define CALLING_OVERHEAD_MULTIPROCESSING_ANNOUNCE 1 - -#ifdef __cplusplus -} -#endif - -#endif -/* end of include file */ diff --git a/c/src/lib/libbsp/m68k/dmv152/spurious/spinit.c b/c/src/lib/libbsp/m68k/dmv152/spurious/spinit.c deleted file mode 100644 index 47f6e7c0be..0000000000 --- a/c/src/lib/libbsp/m68k/dmv152/spurious/spinit.c +++ /dev/null @@ -1,46 +0,0 @@ -/* Spurious_driver - * - * This routine installs spurious interrupt handlers for the DMV152. - * - * Input parameters: NONE - * - * Output parameters: NONE - * - * COPYRIGHT (c) 1989, 1990, 1991, 1992, 1993. - * On-Line Applications Research Corporation (OAR). - * - * 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. - * - * $Id$ - */ - -#include <rtems.h> -#include <bsp.h> -#include <stdio.h> - -rtems_isr Spurious_Isr( - rtems_vector_number vector -) -{ - void *sp = 0; - - asm volatile ( "movea.l %%sp,%0 " : "=a" (sp) : "0" (sp) ); - - fprintf( stderr, "Vector 0x%x sp=0x%p\n", vector, sp ); -} - -rtems_device_driver Spurious_Initialize( - rtems_device_major_number major, - rtems_device_minor_number minor, - void *pargp, - rtems_id tid, - rtems_unsigned32 *rval -) -{ - rtems_vector_number vector; - - for ( vector = 0x40 ; vector <= 0xFF ; vector++ ) - (void) set_vector( Spurious_Isr, vector, 1 ); -} diff --git a/c/src/lib/libbsp/m68k/dmv152/startup/bspstart.c b/c/src/lib/libbsp/m68k/dmv152/startup/bspstart.c deleted file mode 100644 index a0ec9b7e71..0000000000 --- a/c/src/lib/libbsp/m68k/dmv152/startup/bspstart.c +++ /dev/null @@ -1,171 +0,0 @@ -#define STACK_CHECKER_ON -/* bsp_start() - * - * This routine starts the application. It includes application, - * board, and monitor specific initialization and configuration. - * The generic CPU dependent initialization has been performed - * before this routine is invoked. - * - * INPUT: NONE - * - * OUTPUT: NONE - * - * 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. - * - * $Id$ - */ - -#include <rtems.h> -#include <bsp.h> -#include <libcsupport.h> -#include <vmeintr.h> - -/* - * The original table from the application and our copy of it with - * some changes. - */ - -extern rtems_configuration_table Configuration; -rtems_configuration_table BSP_Configuration; - -rtems_cpu_table Cpu_table; - -/* Initialize whatever libc we are using - * called from postdriver hook - */ - -void bsp_libc_init() -{ - extern int end; - rtems_unsigned32 heap_start; - - heap_start = (rtems_unsigned32) &end; - if (heap_start & (CPU_ALIGNMENT-1)) - heap_start = (heap_start + CPU_ALIGNMENT) & ~(CPU_ALIGNMENT-1); - - RTEMS_Malloc_Initialize((void *) heap_start, 64 * 1024, 0); - - /* - * Set up for the libc handling. - */ - - if (BSP_Configuration.ticks_per_timeslice > 0) - libc_init(1); /* reentrant if possible */ - else - libc_init(0); /* non-reentrant */ - - /* - * Initialize the stack bounds checker - */ - -#ifdef STACK_CHECKER_ON - Stack_check_Initialize(); -#endif -} - -int bsp_start( - int argc, - char **argv, - char **environp -) -{ - m68k_isr *monitors_vector_table; - int index; - void *vbr; - - monitors_vector_table = (m68k_isr *)0; /* Monitor Vectors are at 0 */ - m68k_set_vbr( monitors_vector_table ); - - for ( index=2 ; index<=255 ; index++ ) - M68Kvec[ index ] = monitors_vector_table[ 32 ]; - - M68Kvec[ 2 ] = monitors_vector_table[ 2 ]; /* bus error vector */ - M68Kvec[ 4 ] = monitors_vector_table[ 4 ]; /* breakpoints vector */ - M68Kvec[ 9 ] = monitors_vector_table[ 9 ]; /* trace vector */ - - /* - * Uncommenting this seems to confuse/break the monitor on this board. - * It probably assumes the vector table is at 0. - */ - - /* m68k_set_vbr( &M68Kvec ); */ - - /* - * Adjust the VMEbus mode to round-robin. - */ - - /* - * This is only apparent with the shared memory driver which has not - * yet been supported on this target. - */ - - m68k_enable_caching(); - - /* - * we only use a hook to get the C library initialized. - */ - - Cpu_table.pretasking_hook = NULL; - - Cpu_table.predriver_hook = bsp_libc_init; /* RTEMS resources available */ - - Cpu_table.postdriver_hook = NULL; /* Call our main() for constructors */ - - Cpu_table.idle_task = NULL; /* do not override system IDLE task */ - - Cpu_table.do_zero_of_workspace = TRUE; - - m68k_get_vbr( vbr ); - Cpu_table.interrupt_vector_table = vbr; - - Cpu_table.interrupt_stack_size = 4096; - - Cpu_table.extra_system_initialization_stack = 0; - - /* - * Copy the table - */ - - BSP_Configuration = Configuration; - - BSP_Configuration.work_space_start = (void *) - (RAM_END - BSP_Configuration.work_space_size); - - /* - * Add 1 region for Malloc in libc_low - */ - - BSP_Configuration.maximum_regions++; - - /* - * Add 1 extension for newlib libc - */ - -#ifdef RTEMS_NEWLIB - BSP_Configuration.maximum_extensions++; -#endif - - /* - * Add another extension if using the stack checker - */ - -#ifdef STACK_CHECKER_ON - BSP_Configuration.maximum_extensions++; -#endif - - rtems_initialize_executive( &BSP_Configuration, &Cpu_table ); - /* does not return */ - - /* Clock_exit is done as an atexit() function */ - - VME_interrupt_Disable( 0xff ); - - /* return like a "normal" subroutine to the monitor */ - return 0; -} diff --git a/c/src/lib/libbsp/m68k/dmv152/startup/linkcmds b/c/src/lib/libbsp/m68k/dmv152/startup/linkcmds deleted file mode 100644 index 76f43eec97..0000000000 --- a/c/src/lib/libbsp/m68k/dmv152/startup/linkcmds +++ /dev/null @@ -1,48 +0,0 @@ -/* - * This file contains directives for the GNU linker which are specific - * to the DY-4 DMV152/SVME153 boards. - * - * 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. - * - * $Id$ - */ - -MEMORY - { - ram : org = 0x12800, l = 1M - } - -SECTIONS -{ - .text 0x12800 : - { - text_start = . ; - _text_start = . ; - *(.text) - etext = ALIGN( 0x10 ) ; - _etext = .; - } - .data ADDR( .text ) + SIZEOF( .text ): - { - data_start = . ; - _data_start = . ; - *(.data) - edata = ALIGN( 0x10 ) ; - _edata = .; - } - .bss ADDR( .data ) + SIZEOF( .data ): - { - bss_start = . ; - _bss_start = . ; - *(.bss) - *(COMMON) - end = . ; - _end = . ; - } -} diff --git a/c/src/lib/libbsp/m68k/dmv152/startup/vmeintr.c b/c/src/lib/libbsp/m68k/dmv152/startup/vmeintr.c deleted file mode 100644 index 700b06776d..0000000000 --- a/c/src/lib/libbsp/m68k/dmv152/startup/vmeintr.c +++ /dev/null @@ -1,60 +0,0 @@ -/* vmeintr.c - * - * VMEbus support routines for the DMV152. - * - * 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. - * - * $Id$ - */ - -#include <rtems.h> -#include <bsp.h> -#include <vmeintr.h> - -/*PAGE - * - * VME_interrupt_Disable - * - */ - -void VME_interrupt_Disable ( - VME_interrupt_Mask mask /* IN */ -) -{ - volatile rtems_unsigned8 *VME_interrupt_enable; - rtems_unsigned8 value; - - VME_interrupt_enable = ACC_VIE; - value = *VME_interrupt_enable; - - value &= ~mask; /* turn off interrupts for all levels in mask */ - - *VME_interrupt_enable = value; -} - -/*PAGE - * - * VME_interrupt_Enable - * - */ - -void VME_interrupt_Enable ( - VME_interrupt_Mask mask /* IN */ -) -{ - volatile rtems_unsigned8 *VME_interrupt_enable; - rtems_unsigned8 value; - - VME_interrupt_enable = ACC_VIE; - value = *VME_interrupt_enable; - - value |= mask; /* turn on interrupts for all levels in mask */ - - *VME_interrupt_enable = value; -} diff --git a/c/src/lib/libbsp/m68k/dmv152/timer/timer.c b/c/src/lib/libbsp/m68k/dmv152/timer/timer.c deleted file mode 100644 index 2e91a671df..0000000000 --- a/c/src/lib/libbsp/m68k/dmv152/timer/timer.c +++ /dev/null @@ -1,105 +0,0 @@ -/* timer.c - * - * NOTE: These routines will not work if the optimizer is enabled - * for some compilers. The multiple writes to the Z8036 - * may be optimized away. - * - * It is important that the timer start/stop overhead be - * determined when porting or modifying this code. - * - * 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. - * - * $Id$ - */ - - -#include <rtems.h> -#include <bsp.h> - -int Ttimer_val; -rtems_boolean Timer_driver_Find_average_overhead; - -rtems_isr timerisr(); - -void Timer_initialize() -{ - rtems_unsigned8 data; - - (void) set_vector( timerisr, TIMER_VECTOR, 0 ); /* install ISR */ - - Ttimer_val = 0; /* clear timer ISR count */ - Z8x36_READ ( TIMER, MASTER_INTR, data ); - Z8x36_WRITE( TIMER, MASTER_INTR, (data & 0x01) ); - - Z8x36_WRITE( TIMER, MASTER_CFG, 0xd4 ); - Z8x36_READ ( TIMER, MASTER_INTR, data ); - Z8x36_WRITE( TIMER, MASTER_INTR, (data & 0x7E) ); - Z8x36_WRITE( TIMER, CT1_TIME_CONST_MSB, 0x00 ); - Z8x36_WRITE( TIMER, CT1_TIME_CONST_LSB, 0x00 ); - Z8x36_WRITE( TIMER, CT1_MODE_SPEC, 0x87 ); - Z8x36_WRITE( TIMER, CNT_TMR_VECTOR, TIMER_VECTOR ); - Z8x36_WRITE( TIMER, CT1_CMD_STATUS, 0x20 ); - Z8x36_WRITE( TIMER, CT1_CMD_STATUS, 0x26 ); - Z8x36_READ ( TIMER, MASTER_INTR, data ); - Z8x36_WRITE( TIMER, MASTER_INTR, (data & 0xDA) | 0x80 ); - - Z8x36_WRITE( TIMER, CT1_CMD_STATUS, 0xC6 ); - - /* - * ACC_IC54 - interrupt 5 will be vectored and mapped to level 6 - */ - - data = (*(rtems_unsigned8 *)0x0D00000B); - (*(rtems_unsigned8 *)0x0D00000B) = (data & 0x0F) | 0x60; - -} - -#define AVG_OVERHEAD 9 /* It typically takes 3.65 microseconds */ - /* (9 countdowns) to start/stop the timer. */ -#define LEAST_VALID 10 /* Don't trust a value lower than this */ - -int Read_timer() -{ - rtems_unsigned8 data; - rtems_unsigned8 msb, lsb; - rtems_unsigned32 remaining, total; - - Z8x36_WRITE( TIMER, CT1_CMD_STATUS, 0xce ); /* read the counter value */ - Z8x36_READ( TIMER, CT1_CUR_CNT_MSB, msb ); - Z8x36_READ( TIMER, CT1_CUR_CNT_LSB, lsb ); - - remaining = 0x10000 - ((msb << 8) + lsb); - total = (Ttimer_val * 0x10000) + remaining; - - Z8x36_READ ( TIMER, MASTER_INTR, data ); - Z8x36_WRITE( TIMER, MASTER_INTR, (data & 0x01) ); - - /* do not restore old vector */ - if ( Timer_driver_Find_average_overhead == 1 ) - return total; /* in countdown units */ - - if ( total < LEAST_VALID ) - return 0; /* below timer resolution */ - - /* Clocked at 2.4615 Mhz */ - - return (int)(((float)(total-AVG_OVERHEAD)) / 2.4615 * 2.0); -} - -rtems_status_code Empty_function( void ) -{ - return RTEMS_SUCCESSFUL; -} - -void Set_find_average_overhead( - rtems_boolean find_flag -) -{ - Timer_driver_Find_average_overhead = find_flag; -} diff --git a/c/src/lib/libbsp/m68k/dmv152/timer/timerisr.s b/c/src/lib/libbsp/m68k/dmv152/timer/timerisr.s deleted file mode 100644 index d7ec593c62..0000000000 --- a/c/src/lib/libbsp/m68k/dmv152/timer/timerisr.s +++ /dev/null @@ -1,38 +0,0 @@ -/* timer_isr() - * - * This routine provides the ISR for the Z8536 timer on the DMV152 - * board. The timer is set up to generate an interrupt at maximum - * intervals. - * - * Input parameters: NONE - * - * Output parameters: NONE - * - * 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. - * - * $Id$ - */ - -#include "asm.h" - -BEGIN_CODE - -.set TIMER, 0x0c000007 | port A -.set CT1_CMD_STATUS, 0x0a | command status register -.set RELOAD, 0x26 | clr IP & IUS,allow countdown - - PUBLIC(timerisr) -SYM (timerisr): - movb #CT1_CMD_STATUS,TIMER | set pointer to cmd status reg - movb #RELOAD,TIMER | reload countdown - addql #1, SYM (Ttimer_val) | increment timer value - rte - -END_CODE -END |