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authorSebastian Huber <sebastian.huber@embedded-brains.de>2018-04-28 11:36:11 +0200
committerSebastian Huber <sebastian.huber@embedded-brains.de>2018-12-15 09:48:36 +0100
commit4880ce13bf981dac4b61e806d976217c6731e80b (patch)
tree354e37b5b4b27397858fff2475cee15b2460a28b /cpukit/libmisc/capture/record-static.c
parentcc9f28a631cd3428fff21142f2929e6d5c8d869a (diff)
Add low level recording support
Diffstat (limited to 'cpukit/libmisc/capture/record-static.c')
-rw-r--r--cpukit/libmisc/capture/record-static.c110
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
+);