forked from Imagelibrary/rtems
spintrcritical_support: Remove
This test support was replaced by T_interrupt_test() is no longer used.
This commit is contained in:
Sebastian Huber
@@ -1,172 +0,0 @@
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/*
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* COPYRIGHT (c) 1989-2009.
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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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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#include <tmacros.h>
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#include <intrcritical.h>
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#include <rtems/test.h>
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#define INTERRUPT_CRITICAL_NAME rtems_build_name( 'I', 'C', 'R', 'I' )
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typedef struct {
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uint_fast32_t minimum;
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uint_fast32_t maximum;
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uint_fast32_t maximum_current;
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rtems_timer_service_routine_entry tsr;
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rtems_id timer;
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uint64_t t0;
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uint64_t t1;
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} interrupt_critical_control;
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static interrupt_critical_control interrupt_critical;
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static void wait_for_tick_change( void )
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{
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rtems_interval initial = rtems_clock_get_ticks_since_boot();
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rtems_interval now;
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do {
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now = rtems_clock_get_ticks_since_boot();
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} while ( now == initial );
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}
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static bool interrupt_critical_busy_wait( void )
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{
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uint_fast32_t max = interrupt_critical.maximum_current;
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bool reset = max <= interrupt_critical.minimum;
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if ( reset ) {
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interrupt_critical.maximum_current = interrupt_critical.maximum;
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} else {
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interrupt_critical.maximum_current = max - 1;
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}
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T_busy( max );
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return reset;
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}
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void interrupt_critical_section_test_support_initialize(
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rtems_timer_service_routine_entry tsr
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)
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{
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uint_fast32_t m;
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interrupt_critical.tsr = tsr;
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if ( tsr != NULL && interrupt_critical.timer == 0 ) {
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rtems_status_code sc = rtems_timer_create(
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INTERRUPT_CRITICAL_NAME,
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&interrupt_critical.timer
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);
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rtems_test_assert( sc == RTEMS_SUCCESSFUL );
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}
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m = T_get_one_clock_tick_busy();
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interrupt_critical.minimum = 0;
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interrupt_critical.maximum = m;
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interrupt_critical.maximum_current = m;
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}
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static void timer_fire_after(void)
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{
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if ( interrupt_critical.tsr != NULL ) {
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rtems_status_code sc = rtems_timer_fire_after(
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interrupt_critical.timer,
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1,
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interrupt_critical.tsr,
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NULL
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);
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rtems_test_assert( sc == RTEMS_SUCCESSFUL );
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}
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}
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bool interrupt_critical_section_test_support_delay(void)
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{
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timer_fire_after();
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return interrupt_critical_busy_wait();
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}
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static void thread_switch( Thread_Control *executing, Thread_Control *heir )
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{
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(void) executing;
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(void) heir;
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if ( interrupt_critical.t1 == 0 && heir->is_idle ) {
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interrupt_critical.t1 = rtems_clock_get_uptime_nanoseconds();
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}
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}
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static const rtems_extensions_table extensions = {
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.thread_switch = thread_switch
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};
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bool interrupt_critical_section_test(
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bool ( *test_body )( void * ),
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void *test_body_arg,
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rtems_timer_service_routine_entry tsr
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)
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{
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bool done;
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rtems_status_code sc;
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rtems_id id;
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uint64_t delta;
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uint_fast32_t busy_delta;
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int retries = 3;
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interrupt_critical_section_test_support_initialize( tsr );
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sc = rtems_extension_create(
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INTERRUPT_CRITICAL_NAME,
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&extensions,
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&id
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);
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rtems_test_assert( sc == RTEMS_SUCCESSFUL );
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wait_for_tick_change();
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timer_fire_after();
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/* Get estimate for test body duration */
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interrupt_critical.t0 = rtems_clock_get_uptime_nanoseconds();
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done = ( *test_body )( test_body_arg );
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if ( interrupt_critical.t1 == 0 ) {
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interrupt_critical.t1 = rtems_clock_get_uptime_nanoseconds();
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}
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/* Update minimum */
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delta = interrupt_critical.t1 - interrupt_critical.t0;
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busy_delta = (uint_fast32_t)
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( ( interrupt_critical.maximum * ( 2 * delta ) )
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/ rtems_configuration_get_nanoseconds_per_tick() );
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if ( busy_delta < interrupt_critical.maximum ) {
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interrupt_critical.minimum = interrupt_critical.maximum - busy_delta;
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}
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sc = rtems_extension_delete( id );
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rtems_test_assert( sc == RTEMS_SUCCESSFUL );
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while ( !done && retries >= 0 ) {
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wait_for_tick_change();
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if ( interrupt_critical_section_test_support_delay() ) {
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--retries;
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}
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done = ( *test_body )( test_body_arg );
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}
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return done;
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}
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@@ -1,52 +0,0 @@
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/*
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* COPYRIGHT (c) 1989-2009.
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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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#ifndef __INTERRUPT_CRITICAL_SECTIONS_TEST_SUPPORT_h
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#define __INTERRUPT_CRITICAL_SECTIONS_TEST_SUPPORT_h
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/**
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* @brief Initialize Test Support
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*
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* @param[in] tsr is the optional timer service routine to fire
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*/
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void interrupt_critical_section_test_support_initialize(
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rtems_timer_service_routine_entry tsr
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);
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/**
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* @brief Delay Test Support
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*
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* This method delays a varying amount of time each call.
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*
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* @return This method returns true each time the delay counter has
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* to be reset.
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*/
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bool interrupt_critical_section_test_support_delay(void);
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/**
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* @brief Interrupt critical section test.
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*
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* This function first estimates the test body duration and then repeatedly
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* calls the test body with varying times to the next clock tick interrupt.
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*
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* @param[in] test_body The test body function. In case the test body returns
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* true, then the test iteration stops.
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* @param[in] test_body_arg The argument for the test body function.
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* @param[in] tsr An optional timer service routine.
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*
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* @return The test body return status.
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*/
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bool interrupt_critical_section_test(
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bool ( *test_body )( void * ),
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void *test_body_arg,
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rtems_timer_service_routine_entry tsr
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);
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#endif
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