95 lines
1.9 KiB
C
95 lines
1.9 KiB
C
/*
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* Copyright (c) 2018 Intel Corporation
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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#include <zephyr/kernel.h>
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#include <zephyr/kernel_structs.h>
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#include <zephyr/init.h>
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#include <ksched.h>
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#include <SEGGER_SYSVIEW.h>
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#define NAMED_EVENT_MAXSTR 20 /* Maximum string length supported by named event */
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static uint32_t interrupt;
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uint32_t sysview_get_timestamp(void)
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{
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return k_cycle_get_32();
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}
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uint32_t sysview_get_interrupt(void)
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{
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#ifdef CONFIG_CPU_CORTEX_M
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interrupt = ((SCB->ICSR & SCB_ICSR_VECTACTIVE_Msk) >>
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SCB_ICSR_VECTACTIVE_Pos);
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#endif
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return interrupt;
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}
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void sys_trace_k_thread_switched_in(void)
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{
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struct k_thread *thread;
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thread = k_current_get();
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if (z_is_idle_thread_object(thread)) {
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SEGGER_SYSVIEW_OnIdle();
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} else {
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SEGGER_SYSVIEW_OnTaskStartExec((uint32_t)(uintptr_t)thread);
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}
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}
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void sys_trace_k_thread_switched_out(void)
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{
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SEGGER_SYSVIEW_OnTaskStopExec();
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}
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void sys_trace_isr_enter(void)
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{
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SEGGER_SYSVIEW_RecordEnterISR();
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}
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void sys_trace_isr_exit(void)
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{
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SEGGER_SYSVIEW_RecordExitISR();
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}
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void sys_trace_isr_exit_to_scheduler(void)
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{
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SEGGER_SYSVIEW_RecordExitISRToScheduler();
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}
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void sys_trace_idle(void)
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{
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SEGGER_SYSVIEW_OnIdle();
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}
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void sys_trace_named_event(const char *name, uint32_t arg0, uint32_t arg1)
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{
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/* Based on SEGGER provided code for user defined packets */
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uint8_t a_packet[SEGGER_SYSVIEW_INFO_SIZE + 2 *
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SEGGER_SYSVIEW_QUANTA_U32 + NAMED_EVENT_MAXSTR + 1];
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uint8_t *payload;
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payload = SEGGER_SYSVIEW_PREPARE_PACKET(a_packet);
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payload = SEGGER_SYSVIEW_EncodeString(payload, name, NAMED_EVENT_MAXSTR);
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payload = SEGGER_SYSVIEW_EncodeU32(payload, arg0);
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payload = SEGGER_SYSVIEW_EncodeU32(payload, arg1);
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SEGGER_SYSVIEW_SendPacket(a_packet, payload, TID_NAMED_EVENT);
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}
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static int sysview_init(void)
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{
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SEGGER_SYSVIEW_Conf();
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if (IS_ENABLED(CONFIG_SEGGER_SYSTEMVIEW_BOOT_ENABLE)) {
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SEGGER_SYSVIEW_Start();
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}
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return 0;
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}
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SYS_INIT(sysview_init, POST_KERNEL, 0);
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