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https://github.com/Telecominfraproject/OpenCellular.git
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5488976a20
Add a nested interrupt test to eCTS. Higher priority IRQ is fired,
followed by lower priority IRQ. Handlers should be executed
sequentially.
P1 *-----*
/ \
P2 / *-----*
/ \
task_cts ----* *----
B C A D
BUG=chromium:653195
BRANCH=none
TEST=cts.py -m interrupt; make buildall
Change-Id: Ia9f1bf4205cefe8bdc11cc0aa3ad2057359b73ef
Signed-off-by: Daisuke Nojiri <dnojiri@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/409611
Reviewed-by: Randall Spangler <rspangler@chromium.org>
90 lines
1.6 KiB
C
90 lines
1.6 KiB
C
/* Copyright 2016 The Chromium OS Authors. All rights reserved.
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* Use of this source code is governed by a BSD-style license that can be
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* found in the LICENSE file.
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*/
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#include "common.h"
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#include "th_common.h"
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#include "gpio.h"
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#include "timer.h"
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#include "watchdog.h"
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static void trigger_interrupt1(void)
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{
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usleep(CTS_INTERRUPT_TRIGGER_DELAY_US);
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gpio_set_level(GPIO_OUTPUT_TEST, 0);
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usleep(CTS_INTERRUPT_TRIGGER_DELAY_US);
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}
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static void trigger_interrupt2(void)
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{
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usleep(CTS_INTERRUPT_TRIGGER_DELAY_US);
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gpio_set_level(GPIO_CTS_IRQ2, 0);
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usleep(CTS_INTERRUPT_TRIGGER_DELAY_US);
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}
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enum cts_rc test_task_wait_event(void)
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{
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trigger_interrupt1();
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return CTS_RC_SUCCESS;
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}
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enum cts_rc test_task_disable_irq(void)
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{
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trigger_interrupt1();
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return CTS_RC_SUCCESS;
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}
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enum cts_rc test_interrupt_enable(void)
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{
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trigger_interrupt1();
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return CTS_RC_SUCCESS;
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}
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enum cts_rc test_interrupt_disable(void)
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{
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trigger_interrupt1();
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return CTS_RC_SUCCESS;
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}
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enum cts_rc test_nested_interrupt_low_high(void)
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{
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trigger_interrupt2();
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trigger_interrupt1();
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return CTS_RC_SUCCESS;
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}
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enum cts_rc test_nested_interrupt_high_low(void)
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{
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trigger_interrupt1();
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trigger_interrupt2();
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return CTS_RC_SUCCESS;
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}
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#include "cts_testlist.h"
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void cts_task(void)
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{
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enum cts_rc rc;
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int i;
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gpio_set_flags(GPIO_OUTPUT_TEST, GPIO_ODR_HIGH);
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for (i = 0; i < CTS_TEST_ID_COUNT; i++) {
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gpio_set_level(GPIO_OUTPUT_TEST, 1);
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gpio_set_level(GPIO_CTS_IRQ2, 1);
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sync();
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rc = tests[i].run();
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CPRINTF("\n%s %d\n", tests[i].name, rc);
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cflush();
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}
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CPRINTS("Interrupt test suite finished");
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cflush();
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while (1) {
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watchdog_reload();
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sleep(1);
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}
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}
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