mirror of
https://github.com/Atmosphere-NX/Atmosphere.git
synced 2024-12-29 13:46:01 +00:00
91 lines
No EOL
4.1 KiB
C++
91 lines
No EOL
4.1 KiB
C++
/*
|
|
* Copyright (c) Atmosphère-NX
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify it
|
|
* under the terms and conditions of the GNU General Public License,
|
|
* version 2, as published by the Free Software Foundation.
|
|
*
|
|
* This program is distributed in the hope it will be useful, but WITHOUT
|
|
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
|
|
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
|
|
* more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with this program. If not, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
#include <stratosphere.hpp>
|
|
#include "util_common.hpp"
|
|
#include "util_scoped_heap.hpp"
|
|
|
|
namespace ams::test {
|
|
|
|
namespace {
|
|
|
|
constinit volatile bool g_spinloop;
|
|
|
|
void TestPreemptionPriorityThreadFunction(volatile bool *executed) {
|
|
/* While we should, note that we're executing. */
|
|
while (g_spinloop) {
|
|
__asm__ __volatile__("" ::: "memory");
|
|
*executed = true;
|
|
__asm__ __volatile__("" ::: "memory");
|
|
}
|
|
|
|
/* Exit the thread. */
|
|
svc::ExitThread();
|
|
}
|
|
|
|
}
|
|
|
|
CATCH_TEST_CASE( "The scheduler is preemptive at the preemptive priority and cooperative for all other priorities" ) {
|
|
/* Create heap. */
|
|
ScopedHeap heap(3 * os::MemoryPageSize);
|
|
CATCH_REQUIRE(R_SUCCEEDED(svc::SetMemoryPermission(heap.GetAddress() + os::MemoryPageSize, os::MemoryPageSize, svc::MemoryPermission_None)));
|
|
ON_SCOPE_EXIT {
|
|
CATCH_REQUIRE(R_SUCCEEDED(svc::SetMemoryPermission(heap.GetAddress() + os::MemoryPageSize, os::MemoryPageSize, svc::MemoryPermission_ReadWrite)));
|
|
};
|
|
const uintptr_t sp_0 = heap.GetAddress() + 1 * os::MemoryPageSize;
|
|
const uintptr_t sp_1 = heap.GetAddress() + 3 * os::MemoryPageSize;
|
|
|
|
for (s32 core = 0; core < NumCores; ++core) {
|
|
for (s32 priority = HighestTestPriority; priority <= LowestTestPriority; ++priority) {
|
|
svc::Handle thread_handles[2];
|
|
volatile bool thread_executed[2] = { false, false };
|
|
|
|
/* Start spinlooping. */
|
|
g_spinloop = true;
|
|
|
|
/* Create threads. */
|
|
CATCH_REQUIRE(R_SUCCEEDED(svc::CreateThread(thread_handles + 0, reinterpret_cast<uintptr_t>(&TestPreemptionPriorityThreadFunction), reinterpret_cast<uintptr_t>(thread_executed + 0), sp_0, priority, core)));
|
|
CATCH_REQUIRE(R_SUCCEEDED(svc::CreateThread(thread_handles + 1, reinterpret_cast<uintptr_t>(&TestPreemptionPriorityThreadFunction), reinterpret_cast<uintptr_t>(thread_executed + 1), sp_1, priority, core)));
|
|
|
|
/* Start threads. */
|
|
CATCH_REQUIRE(R_SUCCEEDED(svc::StartThread(thread_handles[0])));
|
|
CATCH_REQUIRE(R_SUCCEEDED(svc::StartThread(thread_handles[1])));
|
|
|
|
/* Wait long enough that we can be confident the threads have been balanced. */
|
|
svc::SleepThread(PreemptionTimeSpan.GetNanoSeconds() * 10);
|
|
|
|
/* Check that we're in a coherent state. */
|
|
if (IsPreemptionPriority(core, priority)) {
|
|
CATCH_REQUIRE(thread_executed[0] & thread_executed[1]);
|
|
} else {
|
|
CATCH_REQUIRE(thread_executed[0] ^ thread_executed[1]);
|
|
}
|
|
|
|
/* Stop spinlooping. */
|
|
g_spinloop = false;
|
|
|
|
/* Wait for threads to exit. */
|
|
s32 dummy;
|
|
CATCH_REQUIRE(R_SUCCEEDED(svc::WaitSynchronization(std::addressof(dummy), thread_handles + 0, 1, -1)));
|
|
CATCH_REQUIRE(R_SUCCEEDED(svc::WaitSynchronization(std::addressof(dummy), thread_handles + 1, 1, -1)));
|
|
|
|
/* Close thread handles. */
|
|
CATCH_REQUIRE(R_SUCCEEDED(svc::CloseHandle(thread_handles[0])));
|
|
CATCH_REQUIRE(R_SUCCEEDED(svc::CloseHandle(thread_handles[1])));
|
|
}
|
|
}
|
|
}
|
|
|
|
} |