forked from Imagelibrary/rtems
a2684c2b8d
The .rtemsrwset section is used for the per-CPU data. This section has loadable content. Place the ring buffers in the BSS section to avoid large executable image sizes. Not using the per-CPU data makes it possible to initialize the record support earlier. Update #3665.
129 lines
3.7 KiB
C
129 lines
3.7 KiB
C
/*
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* SPDX-License-Identifier: BSD-2-Clause
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*
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* Copyright (C) 2018, 2019 embedded brains GmbH
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#if HAVE_CONFIG_H
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#include "config.h"
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#endif
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#include <rtems/record.h>
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#include <rtems/config.h>
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#include <rtems/sysinit.h>
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#include <rtems/score/timecounter.h>
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#include <rtems/score/watchdogimpl.h>
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static Watchdog_Interval _Record_Tick_interval;
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void _Record_Initialize( void )
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{
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Record_Control *control;
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uint32_t cpu_max;
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uint32_t cpu_index;
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control = _Record_Configuration.controls;
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cpu_max = rtems_configuration_get_maximum_processors();
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for ( cpu_index = 0; cpu_index < cpu_max; ++cpu_index ) {
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Per_CPU_Control *cpu;
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cpu = _Per_CPU_Get_by_index( cpu_index );
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control->mask = _Record_Configuration.item_count - 1U;
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cpu->record = control;
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control = (Record_Control *)
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( (char *) control + _Record_Configuration.control_size );
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}
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}
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static void _Record_Watchdog( Watchdog_Control *watchdog )
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{
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ISR_Level level;
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sbintime_t now;
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_ISR_Local_disable( level );
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_Watchdog_Per_CPU_insert_ticks(
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watchdog,
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_Watchdog_Get_CPU( watchdog ),
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_Record_Tick_interval
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);
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_ISR_Local_enable( level );
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now = _Timecounter_Sbinuptime();
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rtems_record_produce_2(
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RTEMS_RECORD_UPTIME_LOW,
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(uint32_t) ( now >> 0 ),
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RTEMS_RECORD_UPTIME_HIGH,
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(uint32_t) ( now >> 32 )
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);
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}
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static void _Record_Initialize_watchdogs( void )
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{
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Watchdog_Interval interval;
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uint32_t cpu_max;
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uint32_t cpu_index;
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sbintime_t now;
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interval = rtems_counter_frequency() / _Watchdog_Ticks_per_second;
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interval = ( UINT32_C( 1 ) << 22 ) / interval;
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if ( interval == 0 ) {
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interval = 1;
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}
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_Record_Tick_interval = interval;
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cpu_max = rtems_configuration_get_maximum_processors();
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for ( cpu_index = 0; cpu_index < cpu_max; ++cpu_index ) {
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Per_CPU_Control *cpu;
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Record_Control *control;
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cpu = _Per_CPU_Get_by_index( cpu_index );
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control = cpu->record;
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_Watchdog_Preinitialize( &control->Watchdog, cpu );
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_Watchdog_Initialize( &control->Watchdog, _Record_Watchdog );
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_Watchdog_Per_CPU_insert_ticks(
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&control->Watchdog,
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cpu,
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_Record_Tick_interval
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);
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}
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now = _Timecounter_Sbinuptime();
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rtems_record_produce_2(
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RTEMS_RECORD_UPTIME_LOW,
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(uint32_t) ( now >> 0 ),
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RTEMS_RECORD_UPTIME_HIGH,
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(uint32_t) ( now >> 32 )
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);
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}
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RTEMS_SYSINIT_ITEM(
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_Record_Initialize_watchdogs,
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RTEMS_SYSINIT_DEVICE_DRIVERS,
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RTEMS_SYSINIT_ORDER_LAST
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);
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