diff options
Diffstat (limited to 'c/src/lib/libbsp/i960/cvme961')
| -rw-r--r-- | c/src/lib/libbsp/i960/cvme961/clock/ckinit.c | 77 | ||||
| -rw-r--r-- | c/src/lib/libbsp/i960/cvme961/console/console.c | 147 | ||||
| -rw-r--r-- | c/src/lib/libbsp/i960/cvme961/include/bsp.h | 129 | ||||
| -rw-r--r-- | c/src/lib/libbsp/i960/cvme961/include/coverhd.h | 104 | ||||
| -rw-r--r-- | c/src/lib/libbsp/i960/cvme961/shmsupp/addrconv.c | 37 | ||||
| -rw-r--r-- | c/src/lib/libbsp/i960/cvme961/shmsupp/getcfg.c | 98 | ||||
| -rw-r--r-- | c/src/lib/libbsp/i960/cvme961/shmsupp/lock.c | 77 | ||||
| -rw-r--r-- | c/src/lib/libbsp/i960/cvme961/shmsupp/mpisr.c | 70 | ||||
| -rw-r--r-- | c/src/lib/libbsp/i960/cvme961/startup/bspclean.c | 32 | ||||
| -rw-r--r-- | c/src/lib/libbsp/i960/cvme961/startup/bspstart.c | 163 | ||||
| -rw-r--r-- | c/src/lib/libbsp/i960/cvme961/startup/exit.c | 38 | ||||
| -rw-r--r-- | c/src/lib/libbsp/i960/cvme961/startup/linkcmds | 48 | ||||
| -rw-r--r-- | c/src/lib/libbsp/i960/cvme961/startup/setvec.c | 145 | ||||
| -rw-r--r-- | c/src/lib/libbsp/i960/cvme961/timer/timer.c | 107 | ||||
| -rw-r--r-- | c/src/lib/libbsp/i960/cvme961/timer/timerisr.s | 59 |
15 files changed, 0 insertions, 1331 deletions
diff --git a/c/src/lib/libbsp/i960/cvme961/clock/ckinit.c b/c/src/lib/libbsp/i960/cvme961/clock/ckinit.c deleted file mode 100644 index 315e02cdbb..0000000000 --- a/c/src/lib/libbsp/i960/cvme961/clock/ckinit.c +++ /dev/null @@ -1,77 +0,0 @@ -/* Clock_init() - * - * This routine initializes the timer on the VIC chip on the CVME961. - * 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 */ -i960_isr Old_ticker; -volatile rtems_unsigned32 Clock_driver_ticks; - /* ticks since initialization */ - -rtems_device_driver Clock_initialize( - rtems_device_major_number major, - rtems_device_minor_number minor, - void *pargp, - rtems_id id, - rtems_unsigned32 *rval ) -{ - Install_clock( Clock_isr ); - atexit( Clock_exit ); -} - -void ReInstall_clock( - rtems_isr_entry clock_isr -) -{ - (void) set_vector( clock_isr, 5, 1 ); -} - -void Install_clock( - rtems_isr_entry clock_isr -) -{ - volatile unsigned char *victimer; - - Clock_driver_ticks = 0; - Clock_isrs = BSP_Configuration.microseconds_per_tick / 1000; - - if ( BSP_Configuration.ticks_per_timeslice ) { - Old_ticker = set_vector( clock_isr, 5, 1 ); - victimer = (volatile unsigned char *) 0xa00000c3; - *victimer = 0x12; - *victimer = 0x92; /* 1000 HZ */ - } -} - -void Clock_exit() -{ - unsigned char *victimer; - - if ( BSP_Configuration.ticks_per_timeslice ) { - victimer = (unsigned char *) 0xa00000c3; - *victimer = 0x12; - i960_mask_intr( 5 ); - /* do not restore old vector */ - } -} diff --git a/c/src/lib/libbsp/i960/cvme961/console/console.c b/c/src/lib/libbsp/i960/cvme961/console/console.c deleted file mode 100644 index 8ba0352304..0000000000 --- a/c/src/lib/libbsp/i960/cvme961/console/console.c +++ /dev/null @@ -1,147 +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 C961_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; -} - -/* - * NINDY_IO( ... ) - * - * Interface to NINDY. - */ - -#define NINDY_INPUT 0 -#define NINDY_OUTPUT 1 - -void NINDY_IO(); - -void ___NINDY_IO_WRAPPER( void ) /* never called */ -{ - asm volatile ( " .text" ); - asm volatile ( " .align 4" ); - asm volatile ( " .globl _NINDY_IO" ); - asm volatile ( "_NINDY_IO:" ); - asm volatile ( " calls 0 /* call console routines */" ); - asm volatile ( " ret" ); -} - -/* inbyte - * - * This routine reads a character from the console using NINDY. - * - * Input parameters: NONE - * - * Output parameters: NONE - * - * Return values: - * character read from UART - */ - -char inbyte( void ) -{ - char ch; - - NINDY_IO( NINDY_INPUT, &ch ); - return ch; -} - - -/* outbyte - * - * This routine transmits a character out the console using NINDY. - * - * Input parameters: - * ch - character to be transmitted - * - * Output parameters: NONE - */ - -void outbyte( - char ch -) -{ - NINDY_IO( NINDY_OUTPUT, 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/i960/cvme961/include/bsp.h b/c/src/lib/libbsp/i960/cvme961/include/bsp.h deleted file mode 100644 index 4dd907449f..0000000000 --- a/c/src/lib/libbsp/i960/cvme961/include/bsp.h +++ /dev/null @@ -1,129 +0,0 @@ -/* bsp.h - * - * This include file contains some definitions specific to the - * Cyclone CVME960 and CVME961 boards. These boards are the - * same except the 960 uses SRAM and the 961 DRAM. - * - * 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 __CVME961_h -#define __CVME961_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: Following are for i960CA and are board independent - * - */ - -#define MUST_WAIT_FOR_INTERRUPT 0 - -#define Install_tm27_vector( handler ) set_vector( (handler), 6, 1 ) - -#define Cause_tm27_intr() i960_cause_intr( 0x62 ) - -#define Clear_tm27_intr() i960_clear_intr( 6 ) - -#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; \ - asm volatile( "0: \ - remo 3,31,%0 ; \ - cmpo 0,%0 ; \ - subo 1,%1,%1 ; \ - cmpobne.t 0,%1,0b " \ - : "=d" (_tmp), "=d" (_delay) \ - : "0" (_tmp), "1" (_delay) ); \ - } - -/* Constants */ - -#define RAM_START 0 -#define RAM_END 0x100000 - -/* NINDY console I/O requests: - * CO sends a single character to stdout, - * CI reads one. - */ - -#define NINDY_INPUT 0 -#define NINDY_OUTPUT 1 - -/* - * get_prcb - * - * Returns the PRCB pointer. - */ - -static inline i960ca_PRCB *get_prcb( void ) -{ - register i960ca_PRCB *_prcb = 0; - - asm volatile( "calls 5; \ - mov g0,%0" \ - : "=d" (_prcb) \ - : "0" (_prcb) ); - return ( _prcb ); -} - -#ifdef C961_INIT -#undef BSP_EXTERN -#define BSP_EXTERN -#else -#undef BSP_EXTERN -#define BSP_EXTERN extern -#endif - -/* miscellaneous stuff assumed to exist */ - -extern rtems_configuration_table BSP_Configuration; - -BSP_EXTERN i960ca_PRCB *Prcb; -BSP_EXTERN i960ca_control_table *Ctl_tbl; - -/* functions */ - -void bsp_cleanup( void ); - -i960_isr set_vector( rtems_isr_entry, unsigned int, unsigned int ); - -#ifdef __cplusplus -} -#endif - -#endif -/* end of include file */ diff --git a/c/src/lib/libbsp/i960/cvme961/include/coverhd.h b/c/src/lib/libbsp/i960/cvme961/include/coverhd.h deleted file mode 100644 index 9d6b26111a..0000000000 --- a/c/src/lib/libbsp/i960/cvme961/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 0 -#define CALLING_OVERHEAD_SHUTDOWN_EXECUTIVE 0 -#define CALLING_OVERHEAD_TASK_CREATE 0 -#define CALLING_OVERHEAD_TASK_IDENT 0 -#define CALLING_OVERHEAD_TASK_START 0 -#define CALLING_OVERHEAD_TASK_RESTART 0 -#define CALLING_OVERHEAD_TASK_DELETE 0 -#define CALLING_OVERHEAD_TASK_SUSPEND 0 -#define CALLING_OVERHEAD_TASK_RESUME 0 -#define CALLING_OVERHEAD_TASK_SET_PRIORITY 0 -#define CALLING_OVERHEAD_TASK_MODE 0 -#define CALLING_OVERHEAD_TASK_GET_NOTE 0 -#define CALLING_OVERHEAD_TASK_SET_NOTE 0 -#define CALLING_OVERHEAD_TASK_WAKE_WHEN 3 -#define CALLING_OVERHEAD_TASK_WAKE_AFTER 0 -#define CALLING_OVERHEAD_INTERRUPT_CATCH 0 -#define CALLING_OVERHEAD_CLOCK_GET 3 -#define CALLING_OVERHEAD_CLOCK_SET 3 -#define CALLING_OVERHEAD_CLOCK_TICK 0 - -#define CALLING_OVERHEAD_TIMER_CREATE 0 -#define CALLING_OVERHEAD_TIMER_IDENT 0 -#define CALLING_OVERHEAD_TIMER_DELETE 0 -#define CALLING_OVERHEAD_TIMER_FIRE_AFTER 0 -#define CALLING_OVERHEAD_TIMER_FIRE_WHEN 6 -#define CALLING_OVERHEAD_TIMER_RESET 0 -#define CALLING_OVERHEAD_TIMER_CANCEL 0 -#define CALLING_OVERHEAD_SEMAPHORE_CREATE 0 -#define CALLING_OVERHEAD_SEMAPHORE_IDENT 0 -#define CALLING_OVERHEAD_SEMAPHORE_DELETE 0 -#define CALLING_OVERHEAD_SEMAPHORE_OBTAIN 0 -#define CALLING_OVERHEAD_SEMAPHORE_RELEASE 0 -#define CALLING_OVERHEAD_MESSAGE_QUEUE_CREATE 0 -#define CALLING_OVERHEAD_MESSAGE_QUEUE_IDENT 0 -#define CALLING_OVERHEAD_MESSAGE_QUEUE_DELETE 0 -#define CALLING_OVERHEAD_MESSAGE_QUEUE_SEND 0 -#define CALLING_OVERHEAD_MESSAGE_QUEUE_URGENT 0 -#define CALLING_OVERHEAD_MESSAGE_QUEUE_BROADCAST 0 -#define CALLING_OVERHEAD_MESSAGE_QUEUE_RECEIVE 0 -#define CALLING_OVERHEAD_MESSAGE_QUEUE_FLUSH 0 - -#define CALLING_OVERHEAD_EVENT_SEND 0 -#define CALLING_OVERHEAD_EVENT_RECEIVE 0 -#define CALLING_OVERHEAD_SIGNAL_CATCH 0 -#define CALLING_OVERHEAD_SIGNAL_SEND 0 -#define CALLING_OVERHEAD_PARTITION_CREATE 0 -#define CALLING_OVERHEAD_PARTITION_IDENT 0 -#define CALLING_OVERHEAD_PARTITION_DELETE 0 -#define CALLING_OVERHEAD_PARTITION_GET_BUFFER 0 -#define CALLING_OVERHEAD_PARTITION_RETURN_BUFFER 0 -#define CALLING_OVERHEAD_REGION_CREATE 0 -#define CALLING_OVERHEAD_REGION_IDENT 0 -#define CALLING_OVERHEAD_REGION_DELETE 0 -#define CALLING_OVERHEAD_REGION_GET_SEGMENT 0 -#define CALLING_OVERHEAD_REGION_RETURN_SEGMENT 0 -#define CALLING_OVERHEAD_PORT_CREATE 0 -#define CALLING_OVERHEAD_PORT_IDENT 0 -#define CALLING_OVERHEAD_PORT_DELETE 0 -#define CALLING_OVERHEAD_PORT_EXTERNAL_TO_INTERNAL 0 -#define CALLING_OVERHEAD_PORT_INTERNAL_TO_EXTERNAL 0 - -#define CALLING_OVERHEAD_IO_INITIALIZE 0 -#define CALLING_OVERHEAD_IO_OPEN 0 -#define CALLING_OVERHEAD_IO_CLOSE 0 -#define CALLING_OVERHEAD_IO_READ 0 -#define CALLING_OVERHEAD_IO_WRITE 0 -#define CALLING_OVERHEAD_IO_CONTROL 0 -#define CALLING_OVERHEAD_FATAL_ERROR_OCCURRED 0 -#define CALLING_OVERHEAD_RATE_MONOTONIC_CREATE 0 -#define CALLING_OVERHEAD_RATE_MONOTONIC_IDENT 0 -#define CALLING_OVERHEAD_RATE_MONOTONIC_DELETE 0 -#define CALLING_OVERHEAD_RATE_MONOTONIC_CANCEL 0 -#define CALLING_OVERHEAD_RATE_MONOTONIC_PERIOD 0 -#define CALLING_OVERHEAD_MULTIPROCESSING_ANNOUNCE 0 - -#ifdef __cplusplus -} -#endif - -#endif -/* end of include file */ diff --git a/c/src/lib/libbsp/i960/cvme961/shmsupp/addrconv.c b/c/src/lib/libbsp/i960/cvme961/shmsupp/addrconv.c deleted file mode 100644 index 7702d22e67..0000000000 --- a/c/src/lib/libbsp/i960/cvme961/shmsupp/addrconv.c +++ /dev/null @@ -1,37 +0,0 @@ -/* Shm_Convert_address - * - * This routine takes into account the peculiar short VME address - * of the CVME961 board. The CVME961 maps short address space - * 0xffffxxxx to 0xb400xxxx. - * - * 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 -) -{ - rtems_unsigned32 workaddr = (rtems_unsigned32) address; - - if ( workaddr >= 0xffff0000 ) - workaddr = (workaddr & 0xffff) | 0xb4000000; - return ( (rtems_unsigned32 *)workaddr ); -} diff --git a/c/src/lib/libbsp/i960/cvme961/shmsupp/getcfg.c b/c/src/lib/libbsp/i960/cvme961/shmsupp/getcfg.c deleted file mode 100644 index f72e715b6f..0000000000 --- a/c/src/lib/libbsp/i960/cvme961/shmsupp/getcfg.c +++ /dev/null @@ -1,98 +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: CVME961 target system has onboard dual-ported memory. This - * file uses the USE_ONBOARD_RAM macro to determine if this - * RAM is to be used as the SHM. If so (i.e. USE_ONBOARD_RAM - * is set to 1), it is assumed that the master node's dual - * ported memory will be used and that it is configured - * correctly. The node owning the memory CANNOT access it - * using a local address. The "if" insures that the MASTER - * node uses a local address to access the dual-ported memory. - * - * The interprocessor interrupt used on the CVME961 is generated - * by the VIC068. The ICMS capablities of the VIC068 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 USE_ONBOARD_RAM 0 /* use onboard (1) or VME RAM */ - /* for SHM communications */ - -#define INTERRUPT 1 /* CVME961 target supports both */ -#define POLLING 0 /* polling and interrupt modes */ - - -shm_config_table BSP_shm_cfgtbl; - -void Shm_Get_configuration( - rtems_unsigned32 localnode, - shm_config_table **shmcfg -) -{ -#if ( USE_ONBOARD_RAM == 1 ) - if ( Shm_RTEMS_MP_Configuration->node == MASTER ) - BSP_shm_cfgtbl.base = (rtems_unsigned32 *)0x00300000; - else - BSP_shm_cfgtbl.base = (rtems_unsigned32 *)0x10300000; -#else - BSP_shm_cfgtbl.base = (rtems_unsigned32 *)0x20000000; -#endif - - BSP_shm_cfgtbl.length = 1 * MEGABYTE; - BSP_shm_cfgtbl.format = SHM_LITTLE; - - BSP_shm_cfgtbl.cause_intr = Shm_Cause_interrupt; - -#ifdef NEUTRAL_BIG - BSP_shm_cfgtbl.convert = (void *)CPU_swap_u32; -#else - BSP_shm_cfgtbl.convert = NULL_CONVERT; -#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 = - (rtems_unsigned32 *) (0xffff0021|((localnode-1) << 12)); - /* use ICMS0 */ - BSP_shm_cfgtbl.Intr.value = 1; - BSP_shm_cfgtbl.Intr.length = BYTE; -#endif - - *shmcfg = &BSP_shm_cfgtbl; - -} diff --git a/c/src/lib/libbsp/i960/cvme961/shmsupp/lock.c b/c/src/lib/libbsp/i960/cvme961/shmsupp/lock.c deleted file mode 100644 index de62ec670d..0000000000 --- a/c/src/lib/libbsp/i960/cvme961/shmsupp/lock.c +++ /dev/null @@ -1,77 +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 "cpu.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, oldlock; - - rtems_interrupt_disable( isr_level ); - Shm_isrstat = isr_level; - while ( 1 ) { - atomic_modify( SHM_LOCK_VALUE, &lq_cb->lock, oldlock ); - if ( !(oldlock & SHM_LOCK_VALUE) ) - return; - delay( 28 ); /* delay 28 microseconds */ - } -} - -/* - * 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/i960/cvme961/shmsupp/mpisr.c b/c/src/lib/libbsp/i960/cvme961/shmsupp/mpisr.c deleted file mode 100644 index 827c5e4adb..0000000000 --- a/c/src/lib/libbsp/i960/cvme961/shmsupp/mpisr.c +++ /dev/null @@ -1,70 +0,0 @@ -/* Shm_isr_cvme961() - * - * NOTE: This routine is not used when in polling mode. Either - * this routine OR Shm_clockisr is used in a particular system. - * - * There must be sufficient time after the IACK (read at - * 0xb600000x) for the VIC068 to clear the interrupt request - * before the interrupt request is cleared from IPND (sf0). - * - * 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_cvme961( - rtems_vector_number vector -) -{ - rtems_unsigned32 vic_vector; - - /* enable_tracing(); */ - vic_vector = (*(volatile rtems_unsigned8 *)0xb6000007); - /* reset intr by reading */ - /* vector at IPL=3 */ - Shm_Interrupt_count += 1; - rtems_multiprocessing_announce(); - (*(volatile rtems_unsigned8 *)0xa000005f) = 0; /* clear ICMS0 */ - i960_clear_intr( 6 ); - -} - -/* void _Shm_setvec( ) - * - * This driver routine sets the SHM interrupt vector to point to the - * driver's SHM interrupt service routine. - * - * NOTE: See pp. 21-22, 36-39 of the CVME961 Manual for more info. - * - * Input parameters: NONE - * - * Output parameters: NONE - */ - -void Shm_setvec() -{ - rtems_unsigned32 isrlevel; - - rtems_interrupt_disable( isrlevel ); - /* set SQSIO4 CTL REG for */ - /* VME slave address */ - (*(rtems_unsigned8 *)0xc00000b0) = - (Shm_RTEMS_MP_Configuration->node - 1) | 0x10; - set_vector( Shm_isr_cvme961, 6, 1 ); - /* set ICMS Bector Base Register */ - (*(rtems_unsigned8 *)0xa0000053) = 0x60; /* XINT6 vector is 0x62 */ - /* set ICMS Intr Control Reg */ - (*(rtems_unsigned8 *)0xa0000047) = 0xeb; /* ICMS0 enabled, IPL=0 */ - (*(rtems_unsigned8 *)0xa000005f) = 0; /* clear ICMS0 */ - rtems_interrupt_enable( isrlevel ); -} diff --git a/c/src/lib/libbsp/i960/cvme961/startup/bspclean.c b/c/src/lib/libbsp/i960/cvme961/startup/bspclean.c deleted file mode 100644 index fb35e206be..0000000000 --- a/c/src/lib/libbsp/i960/cvme961/startup/bspclean.c +++ /dev/null @@ -1,32 +0,0 @@ -/* - * This routine is used to return control to the NINDY monitor - * and is automatically invoked at shutdown. - * - * NOTES: DOES NOT RETURN!!! - * - * 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" - -void bsp_cleanup( void ) -{ - asm volatile( "mov 0,g0; \ - fmark ; \ - syncf ; \ - .word 0xfeedface ; \ - bx start" : : ); - /* The constant 0xfeedface is a magic word for break which - * is defined by NINDY. The branch extended restarts the - * application if the user types "go". - */ -} diff --git a/c/src/lib/libbsp/i960/cvme961/startup/bspstart.c b/c/src/lib/libbsp/i960/cvme961/startup/bspstart.c deleted file mode 100644 index afb9b7e733..0000000000 --- a/c/src/lib/libbsp/i960/cvme961/startup/bspstart.c +++ /dev/null @@ -1,163 +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 "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 -) -{ - /* set node number in SQSIO4 CTL REG */ - - *((rtems_unsigned32 *)0xc00000b0) = - (Configuration.User_multiprocessing_table) ? - Configuration.User_multiprocessing_table->node : 0; - - Prcb = get_prcb(); - Ctl_tbl = Prcb->control_tbl; - - /* following configures the data breakpoint (which must be set - * before this is executed) to break on writes only. - */ - - Ctl_tbl->bpcon &= ~0x00cc0000; - i960_reload_ctl_group( 6 ); - - /* bit 31 of the Register Cache Control can be set to - * enable an alternative caching algorithm. It does - * not appear to help RTEMS. - */ - - /* Configure Number of Register Caches */ - - Prcb->reg_cache_cfg = 8; - i960_soft_reset( Prcb ); - - /* - * we do not use the pretasking_hook. - */ - - 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; - - Cpu_table.interrupt_stack_size = 4096; - - Cpu_table.extra_system_initialization_stack = 0; - - Cpu_table.Prcb = Prcb; - - /* - * Copy the table - */ - - BSP_Configuration = Configuration; - - /* - * 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 - - BSP_Configuration.work_space_start = (void *) - (RAM_END - BSP_Configuration.work_space_size); - - rtems_initialize_executive( &BSP_Configuration, &Cpu_table ); - /* does not return */ - - bsp_cleanup(); - - return 0; - -} diff --git a/c/src/lib/libbsp/i960/cvme961/startup/exit.c b/c/src/lib/libbsp/i960/cvme961/startup/exit.c deleted file mode 100644 index c412cad281..0000000000 --- a/c/src/lib/libbsp/i960/cvme961/startup/exit.c +++ /dev/null @@ -1,38 +0,0 @@ -/* exit - * - * This routine is used to return control to the NINDY monitor - * and is automatically invoked by the STDIO exit() routine. - * - * INPUT: - * status - exit status - * - * OUTPUT: NONE - * - * NOTES: DOES NOT RETURN!!! - * - * 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" - -void _exit( ) -{ - asm volatile( "mov 0,g0; \ - fmark ; \ - syncf ; \ - .word 0xfeedface ; \ - bx start" : : ); - /* The constant 0xfeedface is a magic word for break which - * is defined by NINDY. The branch extended restarts the - * application if the user types "go". - */ -} diff --git a/c/src/lib/libbsp/i960/cvme961/startup/linkcmds b/c/src/lib/libbsp/i960/cvme961/startup/linkcmds deleted file mode 100644 index 5acbf22283..0000000000 --- a/c/src/lib/libbsp/i960/cvme961/startup/linkcmds +++ /dev/null @@ -1,48 +0,0 @@ -/* - * This file contains directives for the GNU linker which are specific - * to the Cyclone CVME960/CVME961 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 = 0x0, l = 1M - } - -SECTIONS -{ - .text 0x10000 : - { - 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/i960/cvme961/startup/setvec.c b/c/src/lib/libbsp/i960/cvme961/startup/setvec.c deleted file mode 100644 index ea3706c3b3..0000000000 --- a/c/src/lib/libbsp/i960/cvme961/startup/setvec.c +++ /dev/null @@ -1,145 +0,0 @@ -/* set_vector - * - * This routine attempts to perform all "generic" interrupt initialization - * for the specified XINT line. It is specific to the Cyclone CVME961 in - * that it knows which interrupts are initialized by the monitor, the - * characteristics of XINT5 (VIC068 clock tick), and that it assumes the - * i960 is processing interrupts in dedicated mode. It attempts to map - * XINTs to interrupt vectors in a fairly straght forward way. - * - * XINT USE VECTOR INTR TBL INDEX TRIGGERED - * ==== ============= ====== ============== ========= - * 0 VMEbus ERROR 0x02 0x03 EDGE - * 1 DRAM PARITY 0x12 0x13 EDGE - * 2 Z8530 0x22 0x23 LEVEL - * 3 SQUALL 0 0x52 0x53 ---- - * 4 Z8536 (SQSIO4) 0x72 0x73 LEVEL - * 5 TICK 0x32 0x33 EDGE - * 6 VIC068 0x62 0x63 LEVEL - * 7 UNUSED 0x42 0x43 LEVEL - * - * The interrupt handler is installed in both the cached and memory - * resident interrupt tables. The appropriate IMAP register is updated to - * reflect the vector selected by this routine. Global interrupts are - * enabled. If XINT5 is being installed, places it in trigger mode. - * Finally, set_vector_support() is invoked to install the new IMAP and - * ICON, unmask the XINT in IMASK, and lower the i960's interrupt - * level to 0. - * - * INPUT: - * func - interrupt handler entry point - * xint - external interrupt line - * type - 0 indicates raw hardware connect - * 1 indicates RTEMS interrupt connect - * - * RETURNS: - * address of previous interrupt handler - * - * 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 <stdio.h> - -void print_prcb(); -void print_intr_info(); -void print_ipnd_imsk(); - -unsigned int Xint_2_Group_Map[8] = { 0, 1, 2, 5, 7, 3, 6, 4 }; - -i960_isr set_vector( /* returns old vector */ - rtems_isr_entry func, /* isr routine */ - unsigned int xint, /* XINT number */ - unsigned int type /* RTEMS or RAW */ -) -{ - i960_isr *intr_tbl, *cached_intr_tbl; - i960_isr saved_intr; - unsigned int vector, group, nibble; - unsigned int *imap; - - if ( xint > 7 ) - exit( 0x80 ); - - cached_intr_tbl = (i960_isr *) 0; - intr_tbl = (i960_isr *) Prcb->intr_tbl; - group = Xint_2_Group_Map[xint]; /* remap XINT to group */ - vector = (group << 4) + 2; /* direct vector num */ - - if ( type ) - rtems_interrupt_catch( func, vector, (rtems_isr_entry *) &saved_intr ); - else { - saved_intr = (i960_isr) intr_tbl[ vector ]; - /* return old vector */ - intr_tbl[ vector + 1 ] = /* normal vector table */ - cached_intr_tbl[ group ] = (i960_isr) func; /* cached vector */ - } - - if ( xint <= 3 ) imap = &Ctl_tbl->imap0; /* updating IMAP0 */ - else imap = &Ctl_tbl->imap1; /* updating IMAP1 */ - nibble = (xint % 4) * 4; - *imap &= ~(0xf << nibble); - *imap |= group << nibble; - - Ctl_tbl->icon &= ~0x00000400; /* enable global interrupts */ - Ctl_tbl->icon |= 0x00004000; /* fast sampling mode */ - switch ( xint ) { - case 0: Ctl_tbl->icon |= 0x00000004; break; - case 1: Ctl_tbl->icon |= 0x00000008; break; - case 2: Ctl_tbl->icon &= ~0x00000010; break; - case 4: Ctl_tbl->icon &= ~0x00000040; break; - case 5: Ctl_tbl->icon |= 0x00000080; break; - case 6: Ctl_tbl->icon &= ~0x00000100; break; - default: exit( 0x81 ); break; /* unsupported */ - } - - if ( xint == 4 ) { /* reprogram MCON for SQSIO4 */ - Ctl_tbl->mcon12 = 0x00002012; /* MCON12 - 0xCxxxxxxx */ - Ctl_tbl->mcon13 = 0x00000000; /* MCON13 - 0xDxxxxxxx */ - i960_reload_ctl_group( 5 ); /* update MCON12-MCON15 */ - } - - i960_unmask_intr( xint ); /* update IMSK */ - i960_reload_ctl_group( 1 ); /* update IMAP?/ICON */ - return( saved_intr ); /* return old vector */ -} - -void print_prcb() -{ - printf( "fault_table =0x%p\n", Prcb->fault_tbl ); - printf( "control_tbl =0x%p\n", Prcb->control_tbl ); - printf( "AC mask ov =0x%x\n", Prcb->initial_ac ); - printf( "fltconfig =0x%x\n", Prcb->fault_config ); - printf( "intr tbl =0x%p\n", Prcb->intr_tbl ); - printf( "systable =0x%p\n", Prcb->sys_proc_tbl ); - printf( "reserved =0x%x\n", Prcb->reserved ); - printf( "isr stk =0x%p\n", Prcb->intr_stack ); - printf( "ins cache =0x%x\n", Prcb->ins_cache_cfg ); - printf( "reg cache =0x%x\n", Prcb->reg_cache_cfg ); -} - -void print_intr_info() -{ - printf( "prcb =0x%p\n", Prcb ); - printf( "ctl_tbl =0x%p\n", Ctl_tbl ); - printf( "intr_tbl=0x%p\n", Prcb->intr_tbl ); - printf( "IMAP0 = 0x%x\n", Ctl_tbl->imap0 ); - printf( "IMAP1 = 0x%x\n", Ctl_tbl->imap1 ); - print_ipnd_imsk(); -} - -void print_ipnd_imsk() -{ - printf(" IPEND = 0x%x\n", i960_pend_intrs() ); - printf(" IMASK = 0x%x\n", i960_mask_intrs() ); -} diff --git a/c/src/lib/libbsp/i960/cvme961/timer/timer.c b/c/src/lib/libbsp/i960/cvme961/timer/timer.c deleted file mode 100644 index 0a91d12a93..0000000000 --- a/c/src/lib/libbsp/i960/cvme961/timer/timer.c +++ /dev/null @@ -1,107 +0,0 @@ -/* Timer_init() - * - * This routine initializes the Z8536 timer on the SQSIO4 SQUALL - * board for the CVME961 board. The timer is setup to provide a - * tick every 1 millisecond. - * - * Input parameters: NONE - * - * Output parameters: NONE - * - * NOTE: This routine will not work if the optimizer is enabled - * for most compilers. The multiple writes to the Z8536 - * will 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 "z8536.h" - -#define TIMER 0xc00000a0 - -int Ttimer_val; -rtems_boolean Timer_driver_Find_average_overhead; - -void flush_reg(); -rtems_isr timerisr(); - -void Timer_initialize() -{ - set_vector( timerisr, 4, 0 ); /* install ISR */ - - i960_mask_intr( 5 ); /* disable VIC068 tick */ - flush_reg(); /* timed code starts clean */ - 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_CFG, 0x00 ); /* disable everything */ - Z8x36_WRITE( TIMER, CNT_TMR_VECTOR, 0x72 ); /* clear intr vector */ - Z8x36_WRITE( TIMER, MASTER_CFG, 0x20 ); /* clear intr info */ - Z8x36_WRITE( TIMER, MASTER_CFG, 0xe0 ); /* disable interrupts */ - Z8x36_WRITE( TIMER, MASTER_CFG, 0x20 ); /* clear intr info */ - Z8x36_WRITE( TIMER, MASTER_CFG, 0xe0 ); /* disable interrupts */ - Z8x36_WRITE( TIMER, MASTER_INTR, 0xe2 ); /* disable lower chain, */ - /* no vector, set right */ - /* justified addr and */ - /* master int enable */ - Z8x36_WRITE( TIMER, CT1_MODE_SPEC, 0x80 ); /* T1 continuous, and */ - /* cycle/pulse output */ - Z8x36_WRITE( TIMER, CT1_TIME_CONST_MSB, 0x00 ); - Z8x36_WRITE( TIMER, CT1_TIME_CONST_LSB, 0x00 ); - Z8x36_WRITE( TIMER, CT1_CMD_STATUS, 0xc0 ); /* set INTR enable (IE) */ - Z8x36_WRITE( TIMER, MASTER_CFG, 0x40 ); /* enable timer1 */ - Z8x36_WRITE( TIMER, CT1_CMD_STATUS, 0x06 ); /* set trigger command */ - /* (TCB) and gate */ - /* command (GCB) bits */ -} - -#define AVG_OVERHEAD 11 /* It typically takes 5.5 microseconds */ - /* (11 countdowns) to start/stop the timer. */ -#define LEAST_VALID 15 /* 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 */ - 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/i960/cvme961/timer/timerisr.s b/c/src/lib/libbsp/i960/cvme961/timer/timerisr.s deleted file mode 100644 index 02dc23cd5c..0000000000 --- a/c/src/lib/libbsp/i960/cvme961/timer/timerisr.s +++ /dev/null @@ -1,59 +0,0 @@ -/* timer_isr() - * - * This routine initializes the Z8536 timer on the SQSIO4 SQUALL - * board for the CVME961 board. The timer is setup to provide a - * tick every 0x10000 / 2 milliseconds. This is used to time - * executing code. - * - * 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" - -.set PORT_A, 0xc00000a8 # port A -.set PORT_B, 0xc00000a4 # port B -.set PORT_C, 0xc00000a0 # port C -.set CTL_PORT, 0xc00000ac # control port - -.set T1CSR, 0x0a # T1 command/status reg -.set RELOAD, 0x24 # clr IP & IUS,allow countdown - - PUBLIC(_timerisr) -SYM (_timerisr): - #ldconst 1,r4 - #modpc 0,r4,r4 # enable tracing - - ld _Ttimer_val,r6 # r6 = test timer - - ldconst T1CSR,r4 # r4 = T1 control status reg - stob r4,CTL_PORT # select T1CSR - ldconst RELOAD,r5 # r5 = reset value - stob r5,CTL_PORT # reset countdown - addo 1,r6,r6 - st r6,_Ttimer_val # increment test timer -loop_til_cleared: - clrbit 4,sf0,sf0 - bbs 4,sf0,loop_til_cleared -leaf: ret - - .leafproc _flush_reg, flush_reg.lf - .globl _flush_reg, flush_reg.lf -_flush_reg: - lda leaf,g14 # g14 = exit address -flush_reg.lf: - flushreg - mov g14,g0 # g0 = exit address - ldconst 0,g14 # set g14 for non-leaf - bx (g0) |