diff options
Diffstat (limited to 'c/src/lib/libbsp/m68k/mvme136/shmsupp')
| -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 |
4 files changed, 0 insertions, 234 deletions
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 ); -} |