mirror of
https://github.com/Atmosphere-NX/Atmosphere.git
synced 2024-11-30 15:52:15 +00:00
250 lines
11 KiB
C++
250 lines
11 KiB
C++
/*
|
|
* Copyright (c) 2018-2020 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 <mesosphere.hpp>
|
|
|
|
namespace ams::kern::svc {
|
|
|
|
/* ============================= Common ============================= */
|
|
|
|
namespace {
|
|
|
|
constexpr bool IsValidCoreId(int32_t core_id) {
|
|
return (0 <= core_id && core_id < static_cast<int32_t>(cpu::NumCores));
|
|
}
|
|
|
|
Result CreateThread(ams::svc::Handle *out, ams::svc::ThreadFunc f, uintptr_t arg, uintptr_t stack_bottom, int32_t priority, int32_t core_id) {
|
|
/* Adjust core id, if it's the default magic. */
|
|
KProcess &process = GetCurrentProcess();
|
|
if (core_id == ams::svc::IdealCoreUseProcessValue) {
|
|
core_id = process.GetIdealCoreId();
|
|
}
|
|
|
|
/* Validate arguments. */
|
|
R_UNLESS(IsValidCoreId(core_id), svc::ResultInvalidCoreId());
|
|
R_UNLESS(((1ul << core_id) & process.GetCoreMask()) != 0, svc::ResultInvalidCoreId());
|
|
|
|
R_UNLESS(ams::svc::HighestThreadPriority <= priority && priority <= ams::svc::LowestThreadPriority, svc::ResultInvalidPriority());
|
|
R_UNLESS(process.CheckThreadPriority(priority), svc::ResultInvalidPriority());
|
|
|
|
/* Reserve a new session from the process resource limit (waiting up to 100ms). */
|
|
KScopedResourceReservation thread_reservation(std::addressof(process), ams::svc::LimitableResource_ThreadCountMax, 1, KHardwareTimer::GetTick() + ams::svc::Tick(TimeSpan::FromMilliSeconds(100)));
|
|
R_UNLESS(thread_reservation.Succeeded(), svc::ResultLimitReached());
|
|
|
|
/* Create the thread. */
|
|
KScopedAutoObject thread = KThread::Create();
|
|
R_UNLESS(thread.IsNotNull(), svc::ResultOutOfResource());
|
|
|
|
/* Initialize the thread. */
|
|
{
|
|
KScopedLightLock lk(process.GetStateLock());
|
|
R_TRY(KThread::InitializeUserThread(thread.GetPointerUnsafe(), reinterpret_cast<KThreadFunction>(static_cast<uintptr_t>(f)), arg, stack_bottom, priority, core_id, std::addressof(process)));
|
|
}
|
|
|
|
/* Commit the thread reservation. */
|
|
thread_reservation.Commit();
|
|
|
|
/* Clone the current fpu status to the new thread. */
|
|
thread->GetContext().CloneFpuStatus();
|
|
|
|
/* Register the new thread. */
|
|
R_TRY(KThread::Register(thread.GetPointerUnsafe()));
|
|
|
|
/* Add the thread to the handle table. */
|
|
R_TRY(process.GetHandleTable().Add(out, thread.GetPointerUnsafe()));
|
|
|
|
return ResultSuccess();
|
|
}
|
|
|
|
Result StartThread(ams::svc::Handle thread_handle) {
|
|
/* Get the thread from its handle. */
|
|
KScopedAutoObject thread = GetCurrentProcess().GetHandleTable().GetObject<KThread>(thread_handle);
|
|
R_UNLESS(thread.IsNotNull(), svc::ResultInvalidHandle());
|
|
|
|
/* Try to start the thread. */
|
|
R_TRY(thread->Run());
|
|
|
|
/* If we succeeded, persist a reference to the thread. */
|
|
thread->Open();
|
|
return ResultSuccess();
|
|
}
|
|
|
|
void ExitThread() {
|
|
GetCurrentThread().Exit();
|
|
MESOSPHERE_PANIC("Process survived call to exit");
|
|
}
|
|
|
|
void SleepThread(int64_t ns) {
|
|
/* When the input tick is positive, sleep. */
|
|
if (AMS_LIKELY(ns > 0)) {
|
|
/* Convert the timeout from nanoseconds to ticks. */
|
|
/* NOTE: Nintendo does not use this conversion logic in WaitSynchronization... */
|
|
s64 timeout;
|
|
|
|
const ams::svc::Tick offset_tick(TimeSpan::FromNanoSeconds(ns));
|
|
if (AMS_LIKELY(offset_tick > 0)) {
|
|
timeout = KHardwareTimer::GetTick() + offset_tick + 2;
|
|
if (AMS_UNLIKELY(timeout <= 0)) {
|
|
timeout = std::numeric_limits<s64>::max();
|
|
}
|
|
} else {
|
|
timeout = std::numeric_limits<s64>::max();
|
|
}
|
|
|
|
/* Sleep. */
|
|
/* NOTE: Nintendo does not check the result of this sleep. */
|
|
GetCurrentThread().Sleep(timeout);
|
|
} else if (ns == ams::svc::YieldType_WithoutCoreMigration) {
|
|
KScheduler::YieldWithoutCoreMigration();
|
|
} else if (ns == ams::svc::YieldType_WithCoreMigration) {
|
|
KScheduler::YieldWithCoreMigration();
|
|
} else if (ns == ams::svc::YieldType_ToAnyThread) {
|
|
KScheduler::YieldToAnyThread();
|
|
} else {
|
|
/* Nintendo does nothing at all if an otherwise invalid value is passed. */
|
|
}
|
|
}
|
|
|
|
Result GetThreadPriority(int32_t *out_priority, ams::svc::Handle thread_handle) {
|
|
/* Get the thread from its handle. */
|
|
KScopedAutoObject thread = GetCurrentProcess().GetHandleTable().GetObject<KThread>(thread_handle);
|
|
R_UNLESS(thread.IsNotNull(), svc::ResultInvalidHandle());
|
|
|
|
/* Get the thread's priority. */
|
|
*out_priority = thread->GetPriority();
|
|
return ResultSuccess();
|
|
}
|
|
|
|
Result GetThreadId(uint64_t *out_thread_id, ams::svc::Handle thread_handle) {
|
|
/* Get the thread from its handle. */
|
|
KScopedAutoObject thread = GetCurrentProcess().GetHandleTable().GetObject<KThread>(thread_handle);
|
|
R_UNLESS(thread.IsNotNull(), svc::ResultInvalidHandle());
|
|
|
|
/* Get the thread's id. */
|
|
*out_thread_id = thread->GetId();
|
|
return ResultSuccess();
|
|
}
|
|
|
|
}
|
|
|
|
/* ============================= 64 ABI ============================= */
|
|
|
|
Result CreateThread64(ams::svc::Handle *out_handle, ams::svc::ThreadFunc func, ams::svc::Address arg, ams::svc::Address stack_bottom, int32_t priority, int32_t core_id) {
|
|
return CreateThread(out_handle, func, arg, stack_bottom, priority, core_id);
|
|
}
|
|
|
|
Result StartThread64(ams::svc::Handle thread_handle) {
|
|
return StartThread(thread_handle);
|
|
}
|
|
|
|
void ExitThread64() {
|
|
return ExitThread();
|
|
}
|
|
|
|
void SleepThread64(int64_t ns) {
|
|
return SleepThread(ns);
|
|
}
|
|
|
|
Result GetThreadPriority64(int32_t *out_priority, ams::svc::Handle thread_handle) {
|
|
return GetThreadPriority(out_priority, thread_handle);
|
|
}
|
|
|
|
Result SetThreadPriority64(ams::svc::Handle thread_handle, int32_t priority) {
|
|
MESOSPHERE_PANIC("Stubbed SvcSetThreadPriority64 was called.");
|
|
}
|
|
|
|
Result GetThreadCoreMask64(int32_t *out_core_id, uint64_t *out_affinity_mask, ams::svc::Handle thread_handle) {
|
|
MESOSPHERE_PANIC("Stubbed SvcGetThreadCoreMask64 was called.");
|
|
}
|
|
|
|
Result SetThreadCoreMask64(ams::svc::Handle thread_handle, int32_t core_id, uint64_t affinity_mask) {
|
|
MESOSPHERE_PANIC("Stubbed SvcSetThreadCoreMask64 was called.");
|
|
}
|
|
|
|
Result GetThreadId64(uint64_t *out_thread_id, ams::svc::Handle thread_handle) {
|
|
return GetThreadId(out_thread_id, thread_handle);
|
|
}
|
|
|
|
Result GetDebugFutureThreadInfo64(ams::svc::lp64::LastThreadContext *out_context, uint64_t *thread_id, ams::svc::Handle debug_handle, int64_t ns) {
|
|
MESOSPHERE_PANIC("Stubbed SvcGetDebugFutureThreadInfo64 was called.");
|
|
}
|
|
|
|
Result GetLastThreadInfo64(ams::svc::lp64::LastThreadContext *out_context, ams::svc::Address *out_tls_address, uint32_t *out_flags) {
|
|
MESOSPHERE_PANIC("Stubbed SvcGetLastThreadInfo64 was called.");
|
|
}
|
|
|
|
Result GetThreadContext364(KUserPointer<ams::svc::ThreadContext *> out_context, ams::svc::Handle thread_handle) {
|
|
MESOSPHERE_PANIC("Stubbed SvcGetThreadContext364 was called.");
|
|
}
|
|
|
|
Result GetThreadList64(int32_t *out_num_threads, KUserPointer<uint64_t *> out_thread_ids, int32_t max_out_count, ams::svc::Handle debug_handle) {
|
|
MESOSPHERE_PANIC("Stubbed SvcGetThreadList64 was called.");
|
|
}
|
|
|
|
/* ============================= 64From32 ABI ============================= */
|
|
|
|
Result CreateThread64From32(ams::svc::Handle *out_handle, ams::svc::ThreadFunc func, ams::svc::Address arg, ams::svc::Address stack_bottom, int32_t priority, int32_t core_id) {
|
|
return CreateThread(out_handle, func, arg, stack_bottom, priority, core_id);
|
|
}
|
|
|
|
Result StartThread64From32(ams::svc::Handle thread_handle) {
|
|
return StartThread(thread_handle);
|
|
}
|
|
|
|
void ExitThread64From32() {
|
|
return ExitThread();
|
|
}
|
|
|
|
void SleepThread64From32(int64_t ns) {
|
|
return SleepThread(ns);
|
|
}
|
|
|
|
Result GetThreadPriority64From32(int32_t *out_priority, ams::svc::Handle thread_handle) {
|
|
return GetThreadPriority(out_priority, thread_handle);
|
|
}
|
|
|
|
Result SetThreadPriority64From32(ams::svc::Handle thread_handle, int32_t priority) {
|
|
MESOSPHERE_PANIC("Stubbed SvcSetThreadPriority64From32 was called.");
|
|
}
|
|
|
|
Result GetThreadCoreMask64From32(int32_t *out_core_id, uint64_t *out_affinity_mask, ams::svc::Handle thread_handle) {
|
|
MESOSPHERE_PANIC("Stubbed SvcGetThreadCoreMask64From32 was called.");
|
|
}
|
|
|
|
Result SetThreadCoreMask64From32(ams::svc::Handle thread_handle, int32_t core_id, uint64_t affinity_mask) {
|
|
MESOSPHERE_PANIC("Stubbed SvcSetThreadCoreMask64From32 was called.");
|
|
}
|
|
|
|
Result GetThreadId64From32(uint64_t *out_thread_id, ams::svc::Handle thread_handle) {
|
|
return GetThreadId(out_thread_id, thread_handle);
|
|
}
|
|
|
|
Result GetDebugFutureThreadInfo64From32(ams::svc::ilp32::LastThreadContext *out_context, uint64_t *thread_id, ams::svc::Handle debug_handle, int64_t ns) {
|
|
MESOSPHERE_PANIC("Stubbed SvcGetDebugFutureThreadInfo64From32 was called.");
|
|
}
|
|
|
|
Result GetLastThreadInfo64From32(ams::svc::ilp32::LastThreadContext *out_context, ams::svc::Address *out_tls_address, uint32_t *out_flags) {
|
|
MESOSPHERE_PANIC("Stubbed SvcGetLastThreadInfo64From32 was called.");
|
|
}
|
|
|
|
Result GetThreadContext364From32(KUserPointer<ams::svc::ThreadContext *> out_context, ams::svc::Handle thread_handle) {
|
|
MESOSPHERE_PANIC("Stubbed SvcGetThreadContext364From32 was called.");
|
|
}
|
|
|
|
Result GetThreadList64From32(int32_t *out_num_threads, KUserPointer<uint64_t *> out_thread_ids, int32_t max_out_count, ams::svc::Handle debug_handle) {
|
|
MESOSPHERE_PANIC("Stubbed SvcGetThreadList64From32 was called.");
|
|
}
|
|
|
|
}
|