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/* SPDX-License-Identifier: BSD-2-Clause */
/* void Shm_Get_configuration( localnode, &shmcfg )
*
* This routine initializes, if necessary, and returns a pointer
* to the Shared Memory Configuration Table for the PowerPC PSIM.
*
* INPUT PARAMETERS:
* localnode - local node number
* shmcfg - address of pointer to SHM Config Table
*
* OUTPUT PARAMETERS:
* *shmcfg - pointer to SHM Config Table
*
* NOTES: No interrupt support.
*
* COPYRIGHT (c) 1989-2008.
* On-Line Applications Research Corporation (OAR).
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#include <rtems.h>
#include <psim.h>
#include "shm_driver.h"
#define INTERRUPT 0 /* PSIM target supports only */
#define POLLING 1 /* polling mode. */
shm_config_table BSP_shm_cfgtbl;
void Shm_Get_configuration(
uint32_t localnode,
shm_config_table **shmcfg
)
{
BSP_shm_cfgtbl.base = (uint32_t*)PSIM.SharedMemory;
BSP_shm_cfgtbl.length = sizeof(PSIM.SharedMemory);
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 = 0;
BSP_shm_cfgtbl.Intr.value = 0;
BSP_shm_cfgtbl.Intr.length = BYTE;
#endif
*shmcfg = &BSP_shm_cfgtbl;
}
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