diff options
author | Sebastian Huber <sebastian.huber@embedded-brains.de> | 2018-04-28 11:36:11 +0200 |
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committer | Sebastian Huber <sebastian.huber@embedded-brains.de> | 2018-12-15 09:48:36 +0100 |
commit | 4880ce13bf981dac4b61e806d976217c6731e80b (patch) | |
tree | 354e37b5b4b27397858fff2475cee15b2460a28b /cpukit/libmisc/capture/record-static.c | |
parent | cc9f28a631cd3428fff21142f2929e6d5c8d869a (diff) |
Add low level recording support
Diffstat (limited to 'cpukit/libmisc/capture/record-static.c')
-rw-r--r-- | cpukit/libmisc/capture/record-static.c | 110 |
1 files changed, 110 insertions, 0 deletions
diff --git a/cpukit/libmisc/capture/record-static.c b/cpukit/libmisc/capture/record-static.c new file mode 100644 index 0000000000..f6dfd8b000 --- /dev/null +++ b/cpukit/libmisc/capture/record-static.c @@ -0,0 +1,110 @@ +/* + * SPDX-License-Identifier: BSD-2-Clause + * + * Copyright (C) 2018 embedded brains GmbH + * + * 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/record.h> +#include <rtems/config.h> +#include <rtems/sysinit.h> +#include <rtems/score/timecounter.h> +#include <rtems/score/watchdogimpl.h> + +void _Record_Initialize( void ) +{ + uint32_t cpu_max; + uint32_t cpu_index; + uintptr_t offset; + + cpu_max = rtems_configuration_get_maximum_processors(); + offset = PER_CPU_DATA_OFFSET( _Record_Per_CPU ); + + for ( cpu_index = 0; cpu_index < cpu_max; ++cpu_index ) { + Per_CPU_Control *cpu; + Record_Control *control; + + cpu = _Per_CPU_Get_by_index( cpu_index ); + control = PER_CPU_DATA_GET_BY_OFFSET( cpu, Record_Control, offset ); + control->mask = _Record_Item_count - 1U; + cpu->record = control; + } +} + +static void _Record_Watchdog( + Watchdog_Control *watchdog, + Per_CPU_Control *cpu +) +{ + rtems_record_context context_storage; + rtems_record_context *context; + sbintime_t now; + + _Watchdog_Per_CPU_reinsert_ticks( + watchdog, + cpu, + _Watchdog_Ticks_per_second + ); + + context = rtems_record_prepare( &context_storage, 2 ); + now = _Timecounter_Sbinuptime(); + context = rtems_record_add( + context, + RTEMS_RECORD_EVENT_UPTIME_LOW, + (uint32_t) ( now >> 0 ) + ); + rtems_record_commit( + context, + RTEMS_RECORD_EVENT_UPTIME_HIGH, + (uint32_t) ( now >> 32 ) + ); +} + +static void _Record_Initialize_watchdogs( void ) +{ + uint32_t cpu_max; + uint32_t cpu_index; + + cpu_max = rtems_configuration_get_maximum_processors(); + + for ( cpu_index = 0; cpu_index < cpu_max; ++cpu_index ) { + Per_CPU_Control *cpu; + Record_Control *control; + + cpu = _Per_CPU_Get_by_index( cpu_index ); + control = cpu->record; + _Watchdog_Preinitialize( &control->Watchdog, cpu ); + _Watchdog_Initialize( &control->Watchdog, _Record_Watchdog ); + _Watchdog_Per_CPU_reinsert_ticks( + &control->Watchdog, + cpu, + _Watchdog_Ticks_per_second + ); + } +} + +RTEMS_SYSINIT_ITEM( + _Record_Initialize_watchdogs, + RTEMS_SYSINIT_DEVICE_DRIVERS, + RTEMS_SYSINIT_ORDER_LAST +); |