diff options
Diffstat (limited to 'c/src/lib/libbsp/i386/force386/shmsupp')
| -rw-r--r-- | c/src/lib/libbsp/i386/force386/shmsupp/addrconv.c | 32 | ||||
| -rw-r--r-- | c/src/lib/libbsp/i386/force386/shmsupp/getcfg.c | 73 | ||||
| -rw-r--r-- | c/src/lib/libbsp/i386/force386/shmsupp/lock.c | 83 | ||||
| -rw-r--r-- | c/src/lib/libbsp/i386/force386/shmsupp/mpisr.c | 31 |
4 files changed, 0 insertions, 219 deletions
diff --git a/c/src/lib/libbsp/i386/force386/shmsupp/addrconv.c b/c/src/lib/libbsp/i386/force386/shmsupp/addrconv.c deleted file mode 100644 index 49d27200a0..0000000000 --- a/c/src/lib/libbsp/i386/force386/shmsupp/addrconv.c +++ /dev/null @@ -1,32 +0,0 @@ -/* Shm_Convert_address - * - * The CPU386 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/i386/force386/shmsupp/getcfg.c b/c/src/lib/libbsp/i386/force386/shmsupp/getcfg.c deleted file mode 100644 index 8a05cdf641..0000000000 --- a/c/src/lib/libbsp/i386/force386/shmsupp/getcfg.c +++ /dev/null @@ -1,73 +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 FORCE CPU-386 - * - * INPUT PARAMETERS: - * localnode - local node number - * shmcfg - address of pointer to SHM Config Table - * - * OUTPUT PARAMETERS: - * *shmcfg - pointer to SHM Config Table - * - * NOTES: The FORCE CPU-386 does not have an interprocessor interrupt. - * - * The following table illustrates the configuration limitations: - * - * BUS MAX - * MODE ENDIAN NODES - * ========= ====== ======= - * POLLED BIG 2+ - * INTERRUPT **** NOT SUPPORTED **** - * - * 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> -#include <bsp.h> - -#define INTERRUPT 0 -#define POLLING 1 /* FORCE CPU-386 target is polling ONLY!!! */ - - -shm_config_table BSP_shm_cfgtbl; - -void Shm_Get_configuration( - rtems_unsigned32 localnode, - shm_config_table **shmcfg -) -{ - set_segment( get_ds(), 0x00002000, 0xffffd000 ); - - BSP_shm_cfgtbl.base = i386_Physical_to_logical( - get_ds(), - (void *) 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 - - 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; - - *shmcfg = &BSP_shm_cfgtbl; -} diff --git a/c/src/lib/libbsp/i386/force386/shmsupp/lock.c b/c/src/lib/libbsp/i386/force386/shmsupp/lock.c deleted file mode 100644 index 7e1b7874d1..0000000000 --- a/c/src/lib/libbsp/i386/force386/shmsupp/lock.c +++ /dev/null @@ -1,83 +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; - volatile rtems_unsigned32 *lockptr = &lq_cb->lock; - rtems_unsigned32 lock_value; - - lock_value = SHM_LOCK_VALUE; - rtems_interrupt_disable( isr_level ); - - Shm_isrstat = isr_level; - while ( 1 ) { - asm volatile( "lock ; xchg (%0),%1" - : "=r" (lockptr), "=r" (lock_value) - : "0" (lockptr), "1" (lock_value) - ); - if ( lock_value == SHM_UNLOCK_VALUE ) - break; - delay( 10 ); /* approximately 10 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/i386/force386/shmsupp/mpisr.c b/c/src/lib/libbsp/i386/force386/shmsupp/mpisr.c deleted file mode 100644 index dc6f8433e6..0000000000 --- a/c/src/lib/libbsp/i386/force386/shmsupp/mpisr.c +++ /dev/null @@ -1,31 +0,0 @@ -/* Shm_setvec - * - * This driver routine sets the SHM interrupt vector to point to the - * driver's SHM interrupt service routine. - * - * NOTE: This routine is not used by the FORCE CPU-386 because it - * only supports polling mode. - * - * 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 <rtems.h> -#include <bsp.h> -#include <shm.h> - -void Shm_setvec() -{ - /* NOT USED ON FORCE CPU-386!!! */ -} |