diff options
Diffstat (limited to 'c/src/lib/libbsp/i960/cvme961/shmsupp')
| -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 |
4 files changed, 0 insertions, 282 deletions
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 ); -} |