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https://gitlab.rtems.org/rtems/rtos/rtems.git
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883f06737b
Add "(void) param;" annotation to address unused parameter warnings. Found with GCC's warning -Wunused-parameter.
82 lines
1.9 KiB
C
82 lines
1.9 KiB
C
/* SPDX-License-Identifier: GPL-2.0+-with-RTEMS-exception */
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/**
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* @file
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*
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* LEON3 Shared Memory Driver Support - Configuration
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*/
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/*
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* COPYRIGHT (c) 1989-2012.
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* On-Line Applications Research Corporation (OAR).
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*
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* The license and distribution terms for this file may be
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* found in the file LICENSE in this distribution or at
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* http://www.rtems.org/license/LICENSE.
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*/
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#include <rtems.h>
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#include <bsp.h>
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#include <leon.h>
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#include <shm_driver.h>
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/* Let user override this configuration by declaring this a weak variable */
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shm_config_table BSP_shm_cfgtbl __attribute__((weak)) =
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{
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(vol_u32 *)0x40000000, /* USER OVERRIDABLE */
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0x00001000, /* USER OVERRIDABLE */
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SHM_BIG,
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NULL_CONVERT,
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INTR_MODE,
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Shm_Cause_interrupt,
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{
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NULL,
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0, /* USER OVERRIDABLE - Uses default MP-IRQ if 0 */
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4,
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},
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};
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void Shm_Get_configuration(
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uint32_t localnode,
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shm_config_table **shmcfg
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)
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{
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(void) localnode;
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int i;
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unsigned int tmp;
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const rtems_multiprocessing_table *mptable;
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BSP_shm_cfgtbl.format = SHM_BIG;
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/*
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* Override cause_intr or shm_isr if your target has
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* special requirements.
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*/
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BSP_shm_cfgtbl.cause_intr = Shm_Cause_interrupt;
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#ifdef NEUTRAL_BIG
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BSP_shm_cfgtbl.convert = NULL_CONVERT;
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#else
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BSP_shm_cfgtbl.convert = CPU_swap_u32;
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#endif
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BSP_shm_cfgtbl.poll_intr = INTR_MODE;
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BSP_shm_cfgtbl.Intr.address =
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(vol_u32 *) &(LEON3_IrqCtrl_Regs->piforce[LEON3_Cpu_Index]);
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if (BSP_shm_cfgtbl.Intr.value == 0)
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BSP_shm_cfgtbl.Intr.value = 1 << LEON3_mp_irq; /* Use default MP-IRQ */
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BSP_shm_cfgtbl.Intr.length = 4;
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if (LEON3_Cpu_Index == 0) {
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tmp = 0;
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mptable = rtems_configuration_get_user_multiprocessing_table();
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for (i = 1; i < mptable->maximum_nodes; i++)
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tmp |= (1 << i);
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LEON3_IrqCtrl_Regs->mpstat = tmp;
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}
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*shmcfg = &BSP_shm_cfgtbl;
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}
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