diff options
Diffstat (limited to 'c/src/lib/libbsp/m68k/mvme136')
| -rw-r--r-- | c/src/lib/libbsp/m68k/mvme136/clock/ckinit.c | 111 | ||||
| -rw-r--r-- | c/src/lib/libbsp/m68k/mvme136/console/console.c | 159 | ||||
| -rw-r--r-- | c/src/lib/libbsp/m68k/mvme136/include/bsp.h | 142 | ||||
| -rw-r--r-- | c/src/lib/libbsp/m68k/mvme136/include/coverhd.h | 104 | ||||
| -rw-r--r-- | c/src/lib/libbsp/m68k/mvme136/shmsupp/addrconv.c | 32 | ||||
| -rw-r--r-- | c/src/lib/libbsp/m68k/mvme136/shmsupp/getcfg.c | 85 | ||||
| -rw-r--r-- | c/src/lib/libbsp/m68k/mvme136/shmsupp/lock.c | 75 | ||||
| -rw-r--r-- | c/src/lib/libbsp/m68k/mvme136/shmsupp/mpisr.c | 42 | ||||
| -rw-r--r-- | c/src/lib/libbsp/m68k/mvme136/startup/bspclean.c | 46 | ||||
| -rw-r--r-- | c/src/lib/libbsp/m68k/mvme136/startup/bspstart.c | 156 | ||||
| -rw-r--r-- | c/src/lib/libbsp/m68k/mvme136/startup/linkcmds | 48 | ||||
| -rw-r--r-- | c/src/lib/libbsp/m68k/mvme136/timer/timer.c | 108 | ||||
| -rw-r--r-- | c/src/lib/libbsp/m68k/mvme136/timer/timerisr.s | 39 |
13 files changed, 0 insertions, 1147 deletions
diff --git a/c/src/lib/libbsp/m68k/mvme136/clock/ckinit.c b/c/src/lib/libbsp/m68k/mvme136/clock/ckinit.c deleted file mode 100644 index de88fe9252..0000000000 --- a/c/src/lib/libbsp/m68k/mvme136/clock/ckinit.c +++ /dev/null @@ -1,111 +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> -#include <z8036.h> - -#define MICRVAL 0xe2 /* disable lower chain, no vec */ - /* set right justified addr */ - /* and master int enable */ -#define MCCRVAL 0xc4 /* enable T1 and port B */ - /* timers independent */ -#define MS_COUNT 0x07d0 /* T1's countdown constant (1 ms) */ -#define T1MSRVAL 0x80 /* T1 cont. cycle/pulse output */ -#define T1CSRVAL 0xc6 /* enable interrupt, allow and */ - /* and trigger countdown */ - -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; - - rtems_interrupt_disable( isrlevel ); - (void) set_vector( clock_isr, 66, 1 ); - rtems_interrupt_enable( isrlevel ); -} - -void Install_clock( - rtems_isr_entry clock_isr -) -{ - volatile struct z8036_map *timer; - - 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, 66, 1 ); - timer = (struct z8036_map *) 0xfffb0000; - timer->MASTER_INTR = MICRVAL; - timer->CT1_MODE_SPEC = T1MSRVAL; - - *((rtems_unsigned16 *)0xfffb0016) = MS_COUNT; /* write countdown value */ -/* - timer->CT1_TIME_CONST_MSB = (MS_COUNT >> 8); - timer->CT1_TIME_CONST_LSB = (MS_COUNT & 0xff); -*/ - timer->MASTER_CFG = MCCRVAL; - timer->CT1_CMD_STATUS = T1CSRVAL; - -/* - * Enable interrupt via VME interrupt mask register - */ - (*(rtems_unsigned8 *)0xfffb0038) &= 0xfd; - - - atexit( Clock_exit ); - } - -} - -void Clock_exit( void ) -{ - volatile struct z8036_map *timer; - - if ( BSP_Configuration.ticks_per_timeslice ) { - timer = (struct z8036_map *) 0xfffb0000; - timer->MASTER_INTR = 0x62; - timer->CT1_MODE_SPEC = 0x00; - timer->MASTER_CFG = 0xf4; - timer->CT1_CMD_STATUS = 0x00; - /* do not restore old vector */ - } -} diff --git a/c/src/lib/libbsp/m68k/mvme136/console/console.c b/c/src/lib/libbsp/m68k/mvme136/console/console.c deleted file mode 100644 index 6bfcf84481..0000000000 --- a/c/src/lib/libbsp/m68k/mvme136/console/console.c +++ /dev/null @@ -1,159 +0,0 @@ -/* - * This file contains the MVME136 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 M136_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 -) -{ - _Write_m681 = ( struct w_m681_info * ) M681ADDR; - _Read_m681 = ( struct r_m681_info * ) M681ADDR; - *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 -) -{ - if ( !(_Read_m681->srb & RXRDYB) ) - return(FALSE); - - *ch = _Read_m681->rbb; - return(TRUE); -} - -/* inbyte - * - * This routine reads a character from the UART. - * - * Input parameters: NONE - * - * Output parameters: NONE - * - * Return values: - * character read from UART - */ - -char inbyte( void ) -{ - while ( !(_Read_m681->srb & RXRDYB) ); - return _Read_m681->rbb; -} - - -/* outbyte - * - * This routine transmits a character out the M68681. It supports - * XON/XOFF flow control. - * - * Input parameters: - * ch - character to be transmitted - * - * Output parameters: NONE - */ - -void outbyte( - char ch -) -{ - while ( ! (_Read_m681->srb & TXRDYB) ) ; - while ( _Read_m681->srb & RXRDYB ) /* must be an XOFF */ - if ( _Read_m681->rbb == XOFF ) - do { - while ( ! (_Read_m681->srb & RXRDYB) ) ; - } while ( _Read_m681->rbb != XON ); - - _Write_m681->tbb = ch; - if ( ch == '\n' ) - outbyte( CR ); -} - -/* - * __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/mvme136/include/bsp.h b/c/src/lib/libbsp/m68k/mvme136/include/bsp.h deleted file mode 100644 index f89a1b0461..0000000000 --- a/c/src/lib/libbsp/m68k/mvme136/include/bsp.h +++ /dev/null @@ -1,142 +0,0 @@ -/* bsp.h - * - * This include file contains all MVME136 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 __MVME136_h -#define __MVME136_h - -#ifdef __cplusplus -extern "C" { -#endif - -#include <rtems.h> -#include <iosupp.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 - * - * NOTE: Use the MPCSR vector for the MVME136 - */ - -#define MUST_WAIT_FOR_INTERRUPT 0 - -#define Install_tm27_vector( handler ) set_vector( (handler), 75, 1 ) - -#define Cause_tm27_intr() (*(volatile rtems_unsigned8 *)0xfffb006b) = 0x80 - -#define Clear_tm27_intr() (*(volatile rtems_unsigned8 *)0xfffb006b) = 0x00 - -#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) ); \ - } - -/* Constants */ - -#define RAM_START 0 -#define RAM_END 0x100000 - -#define M681ADDR 0xfffb0040 /* address of the M68681 chip */ -#define RXRDYB 0x01 /* status reg recv ready mask */ -#define TXRDYB 0x04 /* status reg trans ready mask */ -#define PARITYERR 0x20 /* status reg parity error mask */ -#define FRAMEERR 0x40 /* status reg frame error mask */ - - -#define FOREVER 1 /* infinite loop */ - -/* Structures */ - -struct r_m681_info { - char fill1[ 5 ]; /* channel A regs ( not used ) */ - char isr; /* interrupt status reg */ - char fill2[ 2 ]; /* counter regs (not used) */ - char mr1mr2b; /* MR1B and MR2B regs */ - char srb; /* status reg channel B */ - char fill3; /* do not access */ - char rbb; /* receive buffer channel B */ - char ivr; /* interrupt vector register */ -}; - -struct w_m681_info { - char fill1[ 4 ]; /* channel A regs (not used) */ - char acr; /* auxillary control reg */ - char imr; /* interrupt mask reg */ - char fill2[ 2 ]; /* counter regs (not used) */ - char mr1mr2b; /* MR1B and MR2B regs */ - char csrb; /* clock select reg */ - char crb; /* command reg */ - char tbb; /* transmit buffer channel B */ - char ivr; /* interrupt vector register */ -}; - -#ifdef M136_INIT -#undef EXTERN -#define EXTERN -#else -#undef EXTERN -#define EXTERN extern -#endif - -/* miscellaneous stuff assumed to exist */ - -extern rtems_configuration_table BSP_Configuration; - -/* M68681 DUART chip register variables */ - -EXTERN volatile struct r_m681_info *_Read_m681; /* M68681 read registers */ -EXTERN volatile struct w_m681_info *_Write_m681; /* M68681 write registers */ - -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/mvme136/include/coverhd.h b/c/src/lib/libbsp/m68k/mvme136/include/coverhd.h deleted file mode 100644 index 7497514e97..0000000000 --- a/c/src/lib/libbsp/m68k/mvme136/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 5 -#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 3 -#define CALLING_OVERHEAD_SEMAPHORE_DELETE 1 -#define CALLING_OVERHEAD_SEMAPHORE_IDENT 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 3 -#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 1 -#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 2 -#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 1 -#define CALLING_OVERHEAD_PORT_EXTERNAL_TO_INTERNAL 2 -#define CALLING_OVERHEAD_PORT_INTERNAL_TO_EXTERNAL 2 - -#define CALLING_OVERHEAD_IO_INITIALIZE 2 -#define CALLING_OVERHEAD_IO_OPEN 2 -#define CALLING_OVERHEAD_IO_CLOSE 3 -#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/mvme136/shmsupp/addrconv.c b/c/src/lib/libbsp/m68k/mvme136/shmsupp/addrconv.c deleted file mode 100644 index 8e1502f789..0000000000 --- a/c/src/lib/libbsp/m68k/mvme136/shmsupp/addrconv.c +++ /dev/null @@ -1,32 +0,0 @@ -/* Shm_Convert_address - * - * This MVME136 has a "normal" view of the VME address space. - * No address range conversion is required. - * - * Input parameters: - * address - address to convert - * - * Output parameters: - * returns - converted address - * - * 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 <shm.h> - -void *Shm_Convert_address( - void *address -) -{ - return ( address ); -} diff --git a/c/src/lib/libbsp/m68k/mvme136/shmsupp/getcfg.c b/c/src/lib/libbsp/m68k/mvme136/shmsupp/getcfg.c deleted file mode 100644 index d4db200ad2..0000000000 --- a/c/src/lib/libbsp/m68k/mvme136/shmsupp/getcfg.c +++ /dev/null @@ -1,85 +0,0 @@ -/* void Shm_Get_configuration( localnode, &shmcfg ) - * - * This routine initializes, if necessary, and returns a pointer - * to the Shared Memory Configuration Table for the Cyclone CVME961. - * - * INPUT PARAMETERS: - * localnode - local node number - * shmcfg - address of pointer to SHM Config Table - * - * OUTPUT PARAMETERS: - * *shmcfg - pointer to SHM Config Table - * - * NOTES: The MPCSR interrupt on the MVME136 is used as an interprocessor - * interrupt. The capablities of the MPCSR are used to generate - * interprocessor interrupts for up to eight nodes. - * - * The following table illustrates the configuration limitations: - * - * BUS MAX - * MODE ENDIAN NODES - * ========= ====== ======= - * POLLED LITTLE 2+ - * INTERRUPT LITTLE 2-8 - * - * 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 "shm.h" - -#define INTERRUPT 1 /* MVME136 target supports both */ -#define POLLING 0 /* polling and interrupt modes */ - -shm_config_table BSP_shm_cfgtbl; - -rtems_unsigned32 *BSP_int_address() -{ - rtems_unsigned32 id, offset; - - id = (rtems_unsigned32) *(rtems_unsigned8 *)0xfffb0061; - offset = ((id & 0x1f) << 5) | ((id & 0xe0) << 8); - offset |= 0xffff000b; - return( (rtems_unsigned32 * ) offset ); -} - -void Shm_Get_configuration( - rtems_unsigned32 localnode, - shm_config_table **shmcfg -) -{ - BSP_shm_cfgtbl.base = (rtems_unsigned32 *)0x20000000; - BSP_shm_cfgtbl.length = 1 * MEGABYTE; - BSP_shm_cfgtbl.format = SHM_BIG; - - BSP_shm_cfgtbl.cause_intr = Shm_Cause_interrupt; - -#ifdef NEUTRAL_BIG - BSP_shm_cfgtbl.convert = NULL_CONVERT; -#else - BSP_shm_cfgtbl.convert = CPU_swap_u32; -#endif - -#if (POLLING==1) - BSP_shm_cfgtbl.poll_intr = POLLED_MODE; - BSP_shm_cfgtbl.Intr.address = NO_INTERRUPT; - BSP_shm_cfgtbl.Intr.value = NO_INTERRUPT; - BSP_shm_cfgtbl.Intr.length = NO_INTERRUPT; -#else - BSP_shm_cfgtbl.poll_intr = INTR_MODE; - BSP_shm_cfgtbl.Intr.address = BSP_int_address(); - BSP_shm_cfgtbl.Intr.value = 0x80; - BSP_shm_cfgtbl.Intr.length = BYTE; -#endif - - *shmcfg = &BSP_shm_cfgtbl; - -} diff --git a/c/src/lib/libbsp/m68k/mvme136/shmsupp/lock.c b/c/src/lib/libbsp/m68k/mvme136/shmsupp/lock.c deleted file mode 100644 index 5ccc406af5..0000000000 --- a/c/src/lib/libbsp/m68k/mvme136/shmsupp/lock.c +++ /dev/null @@ -1,75 +0,0 @@ -/* Shared Memory Lock Routines - * - * This shared memory locked queue support routine need to be - * able to lock the specified locked queue. Interrupts are - * disabled while the queue is locked to prevent preemption - * and deadlock when two tasks poll for the same lock. - * previous level. - * - * 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 <shm.h> - -/* - * Shm_Initialize_lock - * - * Initialize the lock for the specified locked queue. - */ - -void Shm_Initialize_lock( - Shm_Locked_queue_Control *lq_cb -) -{ - lq_cb->lock = LQ_UNLOCKED; -} - -/* void _Shm_Lock( &lq_cb ) - * - * This shared memory locked queue support routine locks the - * specified locked queue. It disables interrupts to prevent - * a deadlock condition. - */ - -void Shm_Lock( - Shm_Locked_queue_Control *lq_cb -) -{ - rtems_unsigned32 isr_level; - rtems_unsigned32 *lockptr = (rtems_unsigned32 *)&lq_cb->lock; - - rtems_interrupt_disable( isr_level ); - Shm_isrstat = isr_level; - asm volatile( "lockit:" : : ); - asm volatile( "tas %0@" : "=a" (lockptr) : "0" (lockptr) ); - asm volatile( "bne lockit" : : ); -/* should delay */ -} - -/* - * Shm_Unlock - * - * Unlock the lock for the specified locked queue. - */ - -void Shm_Unlock( - Shm_Locked_queue_Control *lq_cb -) -{ - rtems_unsigned32 isr_level; - - lq_cb->lock = SHM_UNLOCK_VALUE; - isr_level = Shm_isrstat; - rtems_interrupt_enable( isr_level ); -} - diff --git a/c/src/lib/libbsp/m68k/mvme136/shmsupp/mpisr.c b/c/src/lib/libbsp/m68k/mvme136/shmsupp/mpisr.c deleted file mode 100644 index 6591d28a11..0000000000 --- a/c/src/lib/libbsp/m68k/mvme136/shmsupp/mpisr.c +++ /dev/null @@ -1,42 +0,0 @@ -/* Shm_isr_mvme136() - * - * NOTE: This routine is not used when in polling mode. Either - * this routine OR Shm_clockisr is used in a particular system. - * - * 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 <shm.h> - -rtems_isr Shm_isr_mvme136() -{ - Shm_Interrupt_count += 1; - rtems_multiprocessing_announce(); - (*(volatile rtems_unsigned8 *)0xfffb006b) = 0; /* clear MPCSR intr */ -} - -/* void _Shm_setvec( ) - * - * This driver routine sets the SHM interrupt vector to point to the - * driver's SHM interrupt service routine. - * - * Input parameters: NONE - * - * Output parameters: NONE - */ - -void Shm_setvec() -{ - /* may need to disable intr */ - set_vector( Shm_isr_mvme136, 75, 1 ); -} diff --git a/c/src/lib/libbsp/m68k/mvme136/startup/bspclean.c b/c/src/lib/libbsp/m68k/mvme136/startup/bspclean.c deleted file mode 100644 index 4366603a55..0000000000 --- a/c/src/lib/libbsp/m68k/mvme136/startup/bspclean.c +++ /dev/null @@ -1,46 +0,0 @@ -/* - * This routine returns control to 135Bug. - * - * 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 <clockdrv.h> -#include <z8036.h> - -void bsp_return_to_monitor_trap() -{ - extern void start( void ); - - register volatile void *start_addr; - - m68k_set_vbr( 0 ); /* restore 135Bug vectors */ - asm volatile( "trap #15" ); /* trap to 135Bug */ - asm volatile( ".short 0x63" ); /* return to 135Bug (.RETURN) */ - /* restart program */ - start_addr = start; - - asm volatile ( "jmp %0@" : "=a" (start_addr) : "0" (start_addr) ); -} - -#define TIMER 0xfffb0000 - -void bsp_cleanup( void ) -{ - Z8x36_WRITE( TIMER, MASTER_INTR, 0x62 ); /* redo timer */ - Z8x36_WRITE( TIMER, CT1_MODE_SPEC, 0x00 ); - Z8x36_WRITE( TIMER, MASTER_CFG, 0xf4 ); - Z8x36_WRITE( TIMER, CT1_CMD_STATUS, 0x00 ); - - M68Kvec[ 45 ] = bsp_return_to_monitor_trap; /* install handler */ - asm volatile( "trap #13" ); /* insures SUPV mode */ -} diff --git a/c/src/lib/libbsp/m68k/mvme136/startup/bspstart.c b/c/src/lib/libbsp/m68k/mvme136/startup/bspstart.c deleted file mode 100644 index 514340d9ea..0000000000 --- a/c/src/lib/libbsp/m68k/mvme136/startup/bspstart.c +++ /dev/null @@ -1,156 +0,0 @@ -/* 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 <z8036.h> - -#include "stackchk.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; - - monitors_vector_table = (m68k_isr *)0; /* 135Bug 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 */ - M68Kvec[ 47 ] = monitors_vector_table[ 47 ]; /* system call vector */ - - m68k_set_vbr( &M68Kvec ); - - (*(rtems_unsigned8 *)0xfffb0067) = 0x7f; /* make VME access round-robin */ - - 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; - - Cpu_table.idle_task = NULL; /* do not override system IDLE task */ - - Cpu_table.do_zero_of_workspace = TRUE; - - Cpu_table.interrupt_vector_table = (m68k_isr *) &M68Kvec; - - 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 the RTEMS Malloc - */ - - 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 */ - - bsp_cleanup(); - - return 0; -} diff --git a/c/src/lib/libbsp/m68k/mvme136/startup/linkcmds b/c/src/lib/libbsp/m68k/mvme136/startup/linkcmds deleted file mode 100644 index 13317a724e..0000000000 --- a/c/src/lib/libbsp/m68k/mvme136/startup/linkcmds +++ /dev/null @@ -1,48 +0,0 @@ -/* - * This file contains directives for the GNU linker which are specific - * to the Motorola MVME136/MVME135 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 = 0x3000, l = 1M - } - -SECTIONS -{ - .text 0x3000 : - { - 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/mvme136/timer/timer.c b/c/src/lib/libbsp/m68k/mvme136/timer/timer.c deleted file mode 100644 index 8c3ecd45f2..0000000000 --- a/c/src/lib/libbsp/m68k/mvme136/timer/timer.c +++ /dev/null @@ -1,108 +0,0 @@ -/* Timer_init() - * - * This routine initializes the Z8036 timer on the MVME136 board. - * - * Input parameters: NONE - * - * Output parameters: NONE - * - * NOTE: This routine 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> -#include <z8036.h> - -#define TIMER 0xfffb0000 /* address of Z8036 on MVME136 */ - -int Ttimer_val; -rtems_boolean Timer_driver_Find_average_overhead; - -rtems_isr timerisr(); - -void Timer_initialize() -{ - (void) set_vector( timerisr, 66, 0 ); /* install ISR */ - - Ttimer_val = 0; /* clear timer ISR count */ - Z8x36_WRITE( TIMER, MASTER_INTR, 0x01 ); /* reset */ - Z8x36_WRITE( TIMER, MASTER_INTR, 0x00 ); /* clear reset */ - Z8x36_WRITE( TIMER, MASTER_INTR, 0xe2 ); /* disable lower chain, no vec */ - /* set right justified addr */ - /* and master int enable */ - Z8x36_WRITE( TIMER, CT1_MODE_SPEC, 0x80 ); /* T1 continuous, and */ - /* cycle/pulse output */ - - *((rtems_unsigned16 *)0xfffb0016) = 0x0000; /* write countdown value */ -/* - Z8x36_WRITE( TIMER, CT1_TIME_CONST_MSB, 0x00 ); - Z8x36_WRITE( TIMER, CT1_TIME_CONST_LSB, 0x00 ); -*/ - Z8x36_WRITE( TIMER, MASTER_CFG, 0xc4 ); /* enable timer1 */ - - Z8x36_WRITE( TIMER, CT1_CMD_STATUS, 0xc6 ); /* set INTR enable (IE), */ - /* trigger command */ - /* (TCB) and gate */ - /* command (GCB) bits */ - *((rtems_unsigned8 *)0xfffb0038) &= 0xfd; /* enable timer INTR on */ - /* VME controller */ -} - -#define AVG_OVERHEAD 6 /* It typically takes 3.0 microseconds */ - /* (6 countdowns) to start/stop the timer. */ -#define LEAST_VALID 10 /* Don't trust a value lower than this */ - -int Read_timer() -{ -/* - rtems_unsigned8 msb, lsb; -*/ - rtems_unsigned32 remaining, total; - - Z8x36_WRITE( TIMER, CT1_CMD_STATUS, 0xce ); /* read the counter value */ -remaining = 0xffff - *((rtems_unsigned16 *) 0xfffb0010); -/* - Z8x36_READ( TIMER, CT1_CUR_CNT_MSB, msb ); - Z8x36_READ( TIMER, CT1_CUR_CNT_LSB, lsb ); - - remaining = 0xffff - ((msb << 8) + lsb); -*/ - total = (Ttimer_val * 0x10000) + remaining; - - if ( Timer_driver_Find_average_overhead == 1 ) - return total; /* in one-half microsecond units */ - - else { - if ( total < LEAST_VALID ) - return 0; /* below timer resolution */ - return (total-AVG_OVERHEAD) >> 1; - } -} - -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/mvme136/timer/timerisr.s b/c/src/lib/libbsp/m68k/mvme136/timer/timerisr.s deleted file mode 100644 index a8f7e7b212..0000000000 --- a/c/src/lib/libbsp/m68k/mvme136/timer/timerisr.s +++ /dev/null @@ -1,39 +0,0 @@ -# timer_isr() -# -# This routine provides the ISR for the Z8036 timer on the MVME136 -# 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 CT1_CMD_STATUS, 0xfffb000a | port A -.set RELOAD, 0x24 | clr IP & IUS,allow countdown - - PUBLIC (timerisr) -SYM (timerisr): - movl a0,a7@- | save a0 - movl #CT1_CMD_STATUS,a0 | a0 = addr of cmd status reg - movb #RELOAD,a0@ | reload countdown - addql #1, SYM (Ttimer_val) | increment timer value - movl a7@+,a0 | save a0 - rte - -END_CODE -END |