tests/kernel: Simple test for multiprocessor start API

Starts the second CPU and verifies that it can set a variable while we
spin on the first.

Signed-off-by: Andy Ross <andrew.j.ross@intel.com>
This commit is contained in:
Andy Ross 2018-01-24 15:50:45 -08:00 committed by Anas Nashif
commit 86ff14824d
4 changed files with 56 additions and 0 deletions

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include($ENV{ZEPHYR_BASE}/cmake/app/boilerplate.cmake NO_POLICY_SCOPE)
project(NONE)
target_sources(app PRIVATE src/main.c)

1
tests/kernel/mp/prj.conf Normal file
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CONFIG_ZTEST=y

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/*
* Copyright (c) 2018 Intel Corporation.
*
* SPDX-License-Identifier: Apache-2.0
*/
#include <zephyr.h>
#include <tc_util.h>
#include <ztest.h>
#include <kernel.h>
#define CPU1_STACK_SIZE 1024
K_THREAD_STACK_DEFINE(cpu1_stack, CPU1_STACK_SIZE);
int cpu_arg;
volatile int cpu_running;
void cpu1_fn(int key, void *arg)
{
zassert_true(key, "bad irq key");
zassert_true(arg == &cpu_arg && *(int *)arg == 12345, "wrong arg");
cpu_running = 1;
while (1) {
}
}
void test_mp_start(void)
{
cpu_arg = 12345;
_arch_start_cpu(1, cpu1_stack, CPU1_STACK_SIZE, cpu1_fn, &cpu_arg);
while (!cpu_running) {
}
zassert_true(cpu_running, "cpu1 didn't start");
}
void test_main(void)
{
ztest_test_suite(test_mp,
ztest_unit_test(test_mp_start));
ztest_run_test_suite(test_mp);
}

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tests:
test:
platform_whitelist: esp32