/* void Shm_Get_configuration( localnode, &shmcfg )
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/* void Shm_Get_configuration( localnode, &shmcfg )
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*
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*
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* This routine initializes, if necessary, and returns a pointer
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* This routine initializes, if necessary, and returns a pointer
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* to the Shared Memory Configuration Table for the PowerPC PSIM.
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* to the Shared Memory Configuration Table for the PowerPC PSIM.
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*
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*
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* INPUT PARAMETERS:
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* INPUT PARAMETERS:
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* localnode - local node number
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* localnode - local node number
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* shmcfg - address of pointer to SHM Config Table
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* shmcfg - address of pointer to SHM Config Table
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*
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*
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* OUTPUT PARAMETERS:
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* OUTPUT PARAMETERS:
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* *shmcfg - pointer to SHM Config Table
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* *shmcfg - pointer to SHM Config Table
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*
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*
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* NOTES: No interrupt support.
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* NOTES: No interrupt support.
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*
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*
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* COPYRIGHT (c) 1989-1999.
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* COPYRIGHT (c) 1989-1999.
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* On-Line Applications Research Corporation (OAR).
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* On-Line Applications Research Corporation (OAR).
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*
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*
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* The license and distribution terms for this file may be
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* The license and distribution terms for this file may be
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* found in found in the file LICENSE in this distribution or at
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* found in found in the file LICENSE in this distribution or at
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* http://www.OARcorp.com/rtems/license.html.
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* http://www.OARcorp.com/rtems/license.html.
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*
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*
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* $Id: getcfg.c,v 1.2 2001-09-27 12:01:02 chris Exp $
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* $Id: getcfg.c,v 1.2 2001-09-27 12:01:02 chris Exp $
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*/
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*/
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#include <rtems.h>
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#include <rtems.h>
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#include "shm_driver.h"
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#include "shm_driver.h"
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#define INTERRUPT 0 /* PSIM target supports only */
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#define INTERRUPT 0 /* PSIM target supports only */
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#define POLLING 1 /* polling mode. */
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#define POLLING 1 /* polling mode. */
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shm_config_table BSP_shm_cfgtbl;
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shm_config_table BSP_shm_cfgtbl;
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void Shm_Get_configuration(
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void Shm_Get_configuration(
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rtems_unsigned32 localnode,
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rtems_unsigned32 localnode,
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shm_config_table **shmcfg
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shm_config_table **shmcfg
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)
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)
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{
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{
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BSP_shm_cfgtbl.base = (rtems_unsigned32 *)0xc0000000;
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BSP_shm_cfgtbl.base = (rtems_unsigned32 *)0xc0000000;
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BSP_shm_cfgtbl.length = 64 * 1024;
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BSP_shm_cfgtbl.length = 64 * 1024;
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BSP_shm_cfgtbl.format = SHM_BIG;
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BSP_shm_cfgtbl.format = SHM_BIG;
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BSP_shm_cfgtbl.cause_intr = Shm_Cause_interrupt;
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BSP_shm_cfgtbl.cause_intr = Shm_Cause_interrupt;
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#ifdef NEUTRAL_BIG
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#ifdef NEUTRAL_BIG
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BSP_shm_cfgtbl.convert = NULL_CONVERT;
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BSP_shm_cfgtbl.convert = NULL_CONVERT;
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#else
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#else
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BSP_shm_cfgtbl.convert = CPU_swap_u32;
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BSP_shm_cfgtbl.convert = CPU_swap_u32;
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#endif
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#endif
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#if (POLLING==1)
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#if (POLLING==1)
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BSP_shm_cfgtbl.poll_intr = POLLED_MODE;
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BSP_shm_cfgtbl.poll_intr = POLLED_MODE;
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BSP_shm_cfgtbl.Intr.address = NO_INTERRUPT;
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BSP_shm_cfgtbl.Intr.address = NO_INTERRUPT;
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BSP_shm_cfgtbl.Intr.value = NO_INTERRUPT;
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BSP_shm_cfgtbl.Intr.value = NO_INTERRUPT;
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BSP_shm_cfgtbl.Intr.length = NO_INTERRUPT;
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BSP_shm_cfgtbl.Intr.length = NO_INTERRUPT;
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#else
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#else
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BSP_shm_cfgtbl.poll_intr = INTR_MODE;
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BSP_shm_cfgtbl.poll_intr = INTR_MODE;
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BSP_shm_cfgtbl.Intr.address = 0;
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BSP_shm_cfgtbl.Intr.address = 0;
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BSP_shm_cfgtbl.Intr.value = 0;
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BSP_shm_cfgtbl.Intr.value = 0;
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BSP_shm_cfgtbl.Intr.length = BYTE;
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BSP_shm_cfgtbl.Intr.length = BYTE;
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#endif
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#endif
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*shmcfg = &BSP_shm_cfgtbl;
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*shmcfg = &BSP_shm_cfgtbl;
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}
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}
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