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Merge pull request #277 from shadps4-emu/kernel/hr_timers 

HR Timers support and event queue refactoring
This commit is contained in:
georgemoralis 2024-07-11 13:31:59 +03:00 committed by GitHub
parent ea7465a82d 63795ddb3a
commit 59be090c83
No known key found for this signature in database
GPG Key ID: B5690EEEBB952194
15 changed files with 379 additions and 170 deletions
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6
.gitmodules vendored
View File

@ -31,9 +31,6 @@
[submodule "externals/robin-map"]
path = externals/robin-map
url = https://github.com/Tessil/robin-map.git
[submodule "externals/boost"]
path = externals/boost
url = https://github.com/raphaelthegreat/ext-boost.git
[submodule "externals/xbyak"]
path = externals/xbyak
url = https://github.com/herumi/xbyak.git
@ -58,3 +55,6 @@
[submodule "externals/tracy"]
path = externals/tracy
url = https://github.com/shadps4-emu/tracy.git
[submodule "externals/ext-boost"]
path = externals/ext-boost
url = https://github.com/shadps4-emu/ext-boost.git

2
CMakeLists.txt
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@ -576,6 +576,8 @@ if (WIN32)
target_sources(shadps4 PRIVATE src/shadps4.rc)
endif()
add_definitions(-DBOOST_ASIO_STANDALONE)
target_include_directories(shadps4 PRIVATE ${CMAKE_CURRENT_SOURCE_DIR})
# Shaders sources

4
externals/CMakeLists.txt vendored
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@ -12,8 +12,8 @@ endif()
# Boost
if (NOT TARGET Boost::headers)
set(BOOST_ROOT "${CMAKE_SOURCE_DIR}/externals/boost" CACHE STRING "")
set(Boost_INCLUDE_DIR "${CMAKE_SOURCE_DIR}/externals/boost" CACHE STRING "")
set(BOOST_ROOT "${CMAKE_SOURCE_DIR}/externals/ext-boost" CACHE STRING "")
set(Boost_INCLUDE_DIR "${CMAKE_SOURCE_DIR}/externals/ext-boost" CACHE STRING "")
set(Boost_NO_SYSTEM_PATHS ON CACHE BOOL "")
add_library(boost INTERFACE)
target_include_directories(boost SYSTEM INTERFACE ${Boost_INCLUDE_DIR})

1
externals/boost vendored

@ -1 +0,0 @@
Subproject commit 87b7817119982e8ad6068855fae31b11590514be

1
externals/ext-boost vendored Submodule

@ -0,0 +1 @@
Subproject commit 147b2de7734f5dc3b9aeb1f4135ae15fcd44b9d7

2
src/common/debug.h
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@ -41,6 +41,8 @@ enum MarkersPallete : int {
#define RENDERER_TRACE ZoneScopedC(RendererMarkerColor)
#define HLE_TRACE ZoneScopedC(HleMarkerColor)
#define TRACE_HINT(str) ZoneText(str.c_str(), str.size())
#define TRACE_WARN(msg) \
[](const auto& msg) { TracyMessageC(msg.c_str(), msg.size(), tracy::Color::DarkOrange); }(msg);
#define TRACE_ERROR(msg) \

2
src/common/logging/backend.cpp
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@ -170,7 +170,7 @@ public:
const char* function, std::string message) {
// Propagate important log messages to the profiler
if (IsProfilerConnected()) {
const auto& msg_str = std::format("[{}] {}", GetLogClassName(log_class), message);
const auto& msg_str = fmt::format("[{}] {}", GetLogClassName(log_class), message);
switch (log_level) {
case Level::Warning:
TRACE_WARN(msg_str);

29
src/core/libraries/gnmdriver/gnmdriver.cpp
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@ -26,6 +26,17 @@ using namespace AmdGpu;
static std::unique_ptr<AmdGpu::Liverpool> liverpool;
enum GnmEventIdents : u64 {
Compute0RelMem = 0x00,
Compute1RelMem = 0x01,
Compute2RelMem = 0x02,
Compute3RelMem = 0x03,
Compute4RelMem = 0x04,
Compute5RelMem = 0x05,
Compute6RelMem = 0x06,
GfxEop = 0x40
};
enum ShaderStages : u32 {
Cs,
Ps,
@ -327,10 +338,6 @@ static inline u32* ClearContextState(u32* cmdbuf) {
s32 PS4_SYSV_ABI sceGnmAddEqEvent(SceKernelEqueue eq, u64 id, void* udata) {
LOG_TRACE(Lib_GnmDriver, "called");
if (id != SceKernelEvent::Type::GfxEop) {
return ORBIS_OK;
}
ASSERT_MSG(id == SceKernelEvent::Type::GfxEop);
if (!eq) {
return ORBIS_KERNEL_ERROR_EBADF;
@ -338,20 +345,20 @@ s32 PS4_SYSV_ABI sceGnmAddEqEvent(SceKernelEqueue eq, u64 id, void* udata) {
EqueueEvent kernel_event{};
kernel_event.event.ident = id;
kernel_event.event.filter = EVFILT_GRAPHICS_CORE;
kernel_event.event.flags = 1;
kernel_event.event.filter = SceKernelEvent::Filter::GraphicsCore;
kernel_event.event.flags = SceKernelEvent::Flags::Add;
kernel_event.event.fflags = 0;
kernel_event.event.data = id;
kernel_event.event.udata = udata;
eq->addEvent(kernel_event);
eq->AddEvent(kernel_event);
Platform::IrqC::Instance()->Register(
Platform::InterruptId::GfxEop,
[=](Platform::InterruptId irq) {
ASSERT_MSG(irq == Platform::InterruptId::GfxEop,
"An unexpected IRQ occured"); // We need to conver IRQ# to event id and do
"An unexpected IRQ occured"); // We need to convert IRQ# to event id and do
// proper filtering in trigger function
eq->triggerEvent(SceKernelEvent::Type::GfxEop, EVFILT_GRAPHICS_CORE, nullptr);
eq->TriggerEvent(GnmEventIdents::GfxEop, SceKernelEvent::Filter::GraphicsCore, nullptr);
},
eq);
return ORBIS_OK;
@ -455,13 +462,13 @@ int PS4_SYSV_ABI sceGnmDebugHardwareStatus() {
s32 PS4_SYSV_ABI sceGnmDeleteEqEvent(SceKernelEqueue eq, u64 id) {
LOG_TRACE(Lib_GnmDriver, "called");
ASSERT_MSG(id == SceKernelEvent::Type::GfxEop);
ASSERT_MSG(id == GnmEventIdents::GfxEop);
if (!eq) {
return ORBIS_KERNEL_ERROR_EBADF;
}
eq->removeEvent(id);
eq->RemoveEvent(id);
Platform::IrqC::Instance()->Unregister(Platform::InterruptId::GfxEop, eq);
return ORBIS_OK;

174
src/core/libraries/kernel/event_queue.cpp
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@ -8,69 +8,143 @@ namespace Libraries::Kernel {
EqueueInternal::~EqueueInternal() = default;
int EqueueInternal::addEvent(const EqueueEvent& event) {
bool EqueueInternal::AddEvent(EqueueEvent& event) {
std::scoped_lock lock{m_mutex};
ASSERT(!event.isTriggered);
event.time_added = std::chrono::steady_clock::now();
// TODO check if event is already exists and return it. Currently we just add in m_events array
m_events.push_back(event);
return 0;
}
int EqueueInternal::removeEvent(u64 id) {
std::scoped_lock lock{m_mutex};
const auto& event_q =
std::ranges::find_if(m_events, [id](auto& ev) { return ev.event.ident == id; });
ASSERT(event_q != m_events.cend());
m_events.erase(event_q);
return 0;
}
int EqueueInternal::waitForEvents(SceKernelEvent* ev, int num, u32 micros) {
std::unique_lock lock{m_mutex};
int ret = 0;
const auto predicate = [&] {
ret = getTriggeredEvents(ev, num);
return ret > 0;
};
if (micros == 0) {
m_cond.wait(lock, predicate);
const auto& it = std::ranges::find(m_events, event);
if (it != m_events.cend()) {
*it = std::move(event);
} else {
m_cond.wait_for(lock, std::chrono::microseconds(micros), predicate);
m_events.emplace_back(std::move(event));
}
return ret;
}
bool EqueueInternal::triggerEvent(u64 ident, s16 filter, void* trigger_data) {
{
std::scoped_lock lock{m_mutex};
for (auto& event : m_events) {
if (event.event.ident == ident) { // event filter?
event.trigger(trigger_data);
}
}
}
m_cond.notify_one();
return true;
}
int EqueueInternal::getTriggeredEvents(SceKernelEvent* ev, int num) {
int ret = 0;
bool EqueueInternal::RemoveEvent(u64 id) {
bool has_found = false;
std::scoped_lock lock{m_mutex};
for (auto& event : m_events) {
if (event.isTriggered) {
ev[ret++] = event.event;
event.reset();
const auto& it =
std::ranges::find_if(m_events, [id](auto& ev) { return ev.event.ident == id; });
if (it != m_events.cend()) {
m_events.erase(it);
has_found = true;
}
return has_found;
}
int EqueueInternal::WaitForEvents(SceKernelEvent* ev, int num, u32 micros) {
int count = 0;
const auto predicate = [&] {
count = GetTriggeredEvents(ev, num);
return count > 0;
};
if (micros == 0) {
std::unique_lock lock{m_mutex};
m_cond.wait(lock, predicate);
} else {
std::unique_lock lock{m_mutex};
m_cond.wait_for(lock, std::chrono::microseconds(micros), predicate);
}
if (HasSmallTimer()) {
if (count > 0) {
const auto time_waited = std::chrono::duration_cast<std::chrono::microseconds>(
std::chrono::steady_clock::now() - m_events[0].time_added)
.count();
count = WaitForSmallTimer(ev, num, std::max(0l, long(micros - time_waited)));
}
small_timer_event.event.data = 0;
}
if (ev->flags & SceKernelEvent::Flags::OneShot) {
for (auto ev_id = 0u; ev_id < count; ++ev_id) {
RemoveEvent(ev->ident);
}
}
return ret;
return count;
}
bool EqueueInternal::TriggerEvent(u64 ident, s16 filter, void* trigger_data) {
bool has_found = false;
{
std::scoped_lock lock{m_mutex};
for (auto& event : m_events) {
ASSERT_MSG(event.event.filter == filter,
"Event to trigger doesn't match to queue events");
if (event.event.ident == ident) {
event.Trigger(trigger_data);
has_found = true;
}
}
}
m_cond.notify_one();
return has_found;
}
int EqueueInternal::GetTriggeredEvents(SceKernelEvent* ev, int num) {
int count = 0;
for (auto& event : m_events) {
if (event.IsTriggered()) {
if (ev->flags & SceKernelEvent::Flags::Clear) {
event.Reset();
}
ev[count++] = event.event;
if (count == num) {
break;
}
}
}
return count;
}
bool EqueueInternal::AddSmallTimer(EqueueEvent& ev) {
// We assume that only one timer event (with the same ident across calls)
// can be posted to the queue, based on observations so far. In the opposite case,
// the small timer storage and wait logic should be reworked.
ASSERT(!HasSmallTimer() || small_timer_event.event.ident == ev.event.ident);
ev.time_added = std::chrono::steady_clock::now();
small_timer_event = std::move(ev);
return true;
}
int EqueueInternal::WaitForSmallTimer(SceKernelEvent* ev, int num, u32 micros) {
int count{};
ASSERT(num == 1);
auto curr_clock = std::chrono::steady_clock::now();
const auto wait_end_us = curr_clock + std::chrono::microseconds{micros};
do {
curr_clock = std::chrono::steady_clock::now();
{
std::unique_lock lock{m_mutex};
if ((curr_clock - small_timer_event.time_added) >
std::chrono::microseconds{small_timer_event.event.data}) {
ev[count++] = small_timer_event.event;
small_timer_event.event.data = 0;
break;
}
}
std::this_thread::yield();
} while (curr_clock < wait_end_us);
return count;
}
} // namespace Libraries::Kernel

127
src/core/libraries/kernel/event_queue.h
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@ -7,87 +7,84 @@
#include <mutex>
#include <string>
#include <vector>
#include <boost/asio/steady_timer.hpp>
#include "common/types.h"
namespace Libraries::Kernel {
constexpr s16 EVFILT_READ = -1;
constexpr s16 EVFILT_WRITE = -2;
constexpr s16 EVFILT_AIO = -3; // attached to aio requests
constexpr s16 EVFILT_VNODE = -4; // attached to vnodes
constexpr s16 EVFILT_PROC = -5; // attached to struct proc
constexpr s16 EVFILT_SIGNAL = -6; // attached to struct proc
constexpr s16 EVFILT_TIMER = -7; // timers
constexpr s16 EVFILT_FS = -9; // filesystem events
constexpr s16 EVFILT_LIO = -10; // attached to lio requests
constexpr s16 EVFILT_USER = -11; // User events
constexpr s16 EVFILT_POLLING = -12;
constexpr s16 EVFILT_VIDEO_OUT = -13;
constexpr s16 EVFILT_GRAPHICS_CORE = -14;
constexpr s16 EVFILT_HRTIMER = -15;
constexpr s16 EVFILT_UVD_TRAP = -16;
constexpr s16 EVFILT_VCE_TRAP = -17;
constexpr s16 EVFILT_SDMA_TRAP = -18;
constexpr s16 EVFILT_REG_EV = -19;
constexpr s16 EVFILT_GPU_EXCEPTION = -20;
constexpr s16 EVFILT_GPU_SYSTEM_EXCEPTION = -21;
constexpr s16 EVFILT_GPU_DBGGC_EV = -22;
constexpr s16 EVFILT_SYSCOUNT = 22;
constexpr u16 EV_ONESHOT = 0x10; // only report one occurrence
constexpr u16 EV_CLEAR = 0x20; // clear event state after reporting
constexpr u16 EV_RECEIPT = 0x40; // force EV_ERROR on success, data=0
constexpr u16 EV_DISPATCH = 0x80; // disable event after reporting
constexpr u16 EV_SYSFLAGS = 0xF000; // reserved by system
constexpr u16 EV_FLAG1 = 0x2000; // filter-specific flag
class EqueueInternal;
struct EqueueEvent;
using TriggerFunc = void (*)(EqueueEvent* event, void* trigger_data);
using ResetFunc = void (*)(EqueueEvent* event);
using DeleteFunc = void (*)(EqueueInternal* eq, EqueueEvent* event);
struct SceKernelEvent {
enum Type : u64 {
Compute0RelMem = 0x00,
Compute1RelMem = 0x01,
Compute2RelMem = 0x02,
Compute3RelMem = 0x03,
Compute4RelMem = 0x04,
Compute5RelMem = 0x05,
Compute6RelMem = 0x06,
GfxEop = 0x40
enum Filter : s16 {
None = 0,
Read = -1,
Write = -2,
Aio = -3,
Vnode = -4,
Proc = -5,
Signal = -6,
Timer = -7,
Fs = -9,
Lio = -10,
User = -11,
Polling = -12,
VideoOut = -13,
GraphicsCore = -14,
HrTimer = -15,
};
u64 ident = 0; /* identifier for this event */
s16 filter = 0; /* filter for event */
enum Flags : u16 {
Add = 1u,
Delete = 2u,
Enable = 4u,
Disable = 8u,
OneShot = 0x10u,
Clear = 0x20u,
Receipt = 0x40u,
Dispatch = 0x80u,
Flag1 = 0x2000u,
System = 0xf000u,
};
u64 ident = 0; /* identifier for this event */
Filter filter = Filter::None; /* filter for event */
u16 flags = 0;
u32 fflags = 0;
u64 data = 0;
void* udata = nullptr; /* opaque user data identifier */
};
struct Filter {
void* data = nullptr;
};
struct EqueueEvent {
bool isTriggered = false;
SceKernelEvent event;
Filter filter;
void* data = nullptr;
std::chrono::steady_clock::time_point time_added;
std::unique_ptr<boost::asio::steady_timer> timer;
void reset() {
isTriggered = false;
void Reset() {
is_triggered = false;
event.fflags = 0;
event.data = 0;
}
void trigger(void* data) {
isTriggered = true;
void Trigger(void* data) {
is_triggered = true;
event.fflags++;
event.data = reinterpret_cast<uintptr_t>(data);
}
bool IsTriggered() const {
return is_triggered;
}
bool operator==(const EqueueEvent& ev) const {
return ev.event.ident == event.ident;
}
private:
bool is_triggered = false;
};
class EqueueInternal {
@ -97,16 +94,26 @@ public:
void setName(const std::string& m_name) {
this->m_name = m_name;
}
int addEvent(const EqueueEvent& event);
int removeEvent(u64 id);
int waitForEvents(SceKernelEvent* ev, int num, u32 micros);
bool triggerEvent(u64 ident, s16 filter, void* trigger_data);
int getTriggeredEvents(SceKernelEvent* ev, int num);
const auto& GetName() const {
return m_name;
}
bool AddEvent(EqueueEvent& event);
bool RemoveEvent(u64 id);
int WaitForEvents(SceKernelEvent* ev, int num, u32 micros);
bool TriggerEvent(u64 ident, s16 filter, void* trigger_data);
int GetTriggeredEvents(SceKernelEvent* ev, int num);
bool AddSmallTimer(EqueueEvent& event);
bool HasSmallTimer() const {
return small_timer_event.event.data != 0;
}
int WaitForSmallTimer(SceKernelEvent* ev, int num, u32 micros);
private:
std::string m_name;
std::mutex m_mutex;
std::vector<EqueueEvent> m_events;
EqueueEvent small_timer_event{};
std::condition_variable m_cond;
};

135
src/core/libraries/kernel/event_queues.cpp
View File

@ -2,12 +2,29 @@
// SPDX-License-Identifier: GPL-2.0-or-later
#include "common/assert.h"
#include "common/debug.h"
#include "common/logging/log.h"
#include "core/libraries/error_codes.h"
#include "core/libraries/kernel/event_queues.h"
#include <boost/asio/placeholders.hpp>
namespace Libraries::Kernel {
extern boost::asio::io_context io_context;
extern void KernelSignalRequest();
static constexpr auto HrTimerSpinlockThresholdUs = 1200u;
static void SmallTimerCallback(const boost::system::error_code& error, SceKernelEqueue eq,
SceKernelEvent kevent) {
static EqueueEvent event;
event.event = kevent;
event.event.data = HrTimerSpinlockThresholdUs;
eq->AddSmallTimer(event);
eq->TriggerEvent(kevent.ident, SceKernelEvent::Filter::HrTimer, kevent.udata);
}
int PS4_SYSV_ABI sceKernelCreateEqueue(SceKernelEqueue* eq, const char* name) {
if (eq == nullptr) {
LOG_ERROR(Kernel_Event, "Event queue is null!");
@ -43,31 +60,39 @@ int PS4_SYSV_ABI sceKernelDeleteEqueue(SceKernelEqueue eq) {
int PS4_SYSV_ABI sceKernelWaitEqueue(SceKernelEqueue eq, SceKernelEvent* ev, int num, int* out,
SceKernelUseconds* timo) {
LOG_INFO(Kernel_Event, "num = {}", num);
HLE_TRACE;
TRACE_HINT(eq->GetName());
LOG_TRACE(Kernel_Event, "equeue = {} num = {}", eq->GetName(), num);
if (eq == nullptr) {
return ORBIS_KERNEL_ERROR_EBADF;
}
if (ev == nullptr) {
return SCE_KERNEL_ERROR_EFAULT;
return ORBIS_KERNEL_ERROR_EFAULT;
}
if (num < 1) {
return SCE_KERNEL_ERROR_EINVAL;
return ORBIS_KERNEL_ERROR_EINVAL;
}
if (timo == nullptr) { // wait until an event arrives without timing out
*out = eq->waitForEvents(ev, num, 0);
}
if (eq->HasSmallTimer()) {
ASSERT(timo && *timo);
*out = eq->WaitForSmallTimer(ev, num, *timo);
} else {
if (timo == nullptr) { // wait until an event arrives without timing out
*out = eq->WaitForEvents(ev, num, 0);
}
if (timo != nullptr) {
// Only events that have already arrived at the time of this function call can be received
if (*timo == 0) {
*out = eq->getTriggeredEvents(ev, num);
} else {
// Wait until an event arrives with timing out
*out = eq->waitForEvents(ev, num, *timo);
if (timo != nullptr) {
// Only events that have already arrived at the time of this function call can be
// received
if (*timo == 0) {
*out = eq->GetTriggeredEvents(ev, num);
} else {
// Wait until an event arrives with timing out
*out = eq->WaitForEvents(ev, num, *timo);
}
}
}
@ -78,21 +103,65 @@ int PS4_SYSV_ABI sceKernelWaitEqueue(SceKernelEqueue eq, SceKernelEvent* ev, int
return ORBIS_OK;
}
s32 PS4_SYSV_ABI sceKernelAddHRTimerEvent(SceKernelEqueue eq, int id, timespec* ts, void* udata) {
if (eq == nullptr) {
return ORBIS_KERNEL_ERROR_EBADF;
}
if (ts->tv_sec > 100 || ts->tv_nsec < 100'000) {
return ORBIS_KERNEL_ERROR_EINVAL;
}
ASSERT(ts->tv_nsec > 1000); // assume 1us resolution
const auto total_us = ts->tv_sec * 1000'000 + ts->tv_nsec / 1000;
EqueueEvent event{};
event.event.ident = id;
event.event.filter = SceKernelEvent::Filter::HrTimer;
event.event.flags = SceKernelEvent::Flags::Add | SceKernelEvent::Flags::OneShot;
event.event.fflags = 0;
event.event.data = total_us;
event.event.udata = udata;
// HR timers cannot be implemented within the existing event queue architecture due to the
// slowness of the notification mechanism. For instance, a 100us timer will lose its precision
// as the trigger time drifts by +50-700%, depending on the host PC and workload. To address
// this issue, we use a spinlock for small waits (which can be adjusted using
// `HrTimerSpinlockThresholdUs`) and fall back to boost asio timers if the time to tick is
// large. Even for large delays, we truncate a small portion to complete the wait
// using the spinlock, prioritizing precision.
if (total_us < HrTimerSpinlockThresholdUs) {
return eq->AddSmallTimer(event) ? ORBIS_OK : ORBIS_KERNEL_ERROR_ENOMEM;
}
event.timer = std::make_unique<boost::asio::steady_timer>(
io_context, std::chrono::microseconds(total_us - HrTimerSpinlockThresholdUs));
event.timer->async_wait(
std::bind(SmallTimerCallback, boost::asio::placeholders::error, eq, event.event));
if (!eq->AddEvent(event)) {
return ORBIS_KERNEL_ERROR_ENOMEM;
}
KernelSignalRequest();
return ORBIS_OK;
}
int PS4_SYSV_ABI sceKernelAddUserEvent(SceKernelEqueue eq, int id) {
if (eq == nullptr) {
return ORBIS_KERNEL_ERROR_EBADF;
}
Kernel::EqueueEvent event{};
event.isTriggered = false;
EqueueEvent event{};
event.event.ident = id;
event.event.filter = Kernel::EVFILT_USER;
event.event.filter = SceKernelEvent::Filter::User;
event.event.udata = 0;
event.event.flags = 1;
event.event.flags = SceKernelEvent::Flags::Add;
event.event.fflags = 0;
event.event.data = 0;
return eq->addEvent(event);
return eq->AddEvent(event) ? ORBIS_OK : ORBIS_KERNEL_ERROR_ENOMEM;
}
int PS4_SYSV_ABI sceKernelAddUserEventEdge(SceKernelEqueue eq, int id) {
@ -100,33 +169,41 @@ int PS4_SYSV_ABI sceKernelAddUserEventEdge(SceKernelEqueue eq, int id) {
return ORBIS_KERNEL_ERROR_EBADF;
}
Kernel::EqueueEvent event{};
event.isTriggered = false;
EqueueEvent event{};
event.event.ident = id;
event.event.filter = Kernel::EVFILT_USER;
event.event.filter = SceKernelEvent::Filter::User;
event.event.udata = 0;
event.event.flags = 0x21;
event.event.flags = SceKernelEvent::Flags::Add | SceKernelEvent::Flags::Clear;
event.event.fflags = 0;
event.event.data = 0;
return eq->addEvent(event);
return eq->AddEvent(event) ? ORBIS_OK : ORBIS_KERNEL_ERROR_ENOMEM;
}
void* PS4_SYSV_ABI sceKernelGetEventUserData(const SceKernelEvent* ev) {
if (!ev) {
return nullptr;
}
ASSERT(ev);
return ev->udata;
}
int PS4_SYSV_ABI sceKernelTriggerUserEvent(SceKernelEqueue eq, int id, void* udata) {
eq->triggerEvent(id, Kernel::EVFILT_USER, udata);
if (eq == nullptr) {
return ORBIS_KERNEL_ERROR_EBADF;
}
if (!eq->TriggerEvent(id, SceKernelEvent::Filter::User, udata)) {
return ORBIS_KERNEL_ERROR_ENOENT;
}
return ORBIS_OK;
}
int PS4_SYSV_ABI sceKernelDeleteUserEvent(SceKernelEqueue eq, int id) {
eq->removeEvent(id);
if (eq == nullptr) {
return ORBIS_KERNEL_ERROR_EBADF;
}
if (!eq->RemoveEvent(id)) {
return ORBIS_KERNEL_ERROR_ENOENT;
}
return ORBIS_OK;
}

1
src/core/libraries/kernel/event_queues.h
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@ -19,5 +19,6 @@ int PS4_SYSV_ABI sceKernelTriggerUserEvent(SceKernelEqueue eq, int id, void* uda
int PS4_SYSV_ABI sceKernelDeleteUserEvent(SceKernelEqueue eq, int id);
int PS4_SYSV_ABI sceKernelAddUserEvent(SceKernelEqueue eq, int id);
int PS4_SYSV_ABI sceKernelAddUserEventEdge(SceKernelEqueue eq, int id);
s32 PS4_SYSV_ABI sceKernelAddHRTimerEvent(SceKernelEqueue eq, int id, timespec* ts, void* udata);
} // namespace Libraries::Kernel

46
src/core/libraries/kernel/libkernel.cpp
View File

@ -3,9 +3,14 @@
#include <chrono>
#include <thread>
#include <boost/asio/io_context.hpp>
#include "common/assert.h"
#include "common/logging/log.h"
#include "common/singleton.h"
#include "common/thread.h"
#include "core/file_format/psf.h"
#include "core/file_sys/fs.h"
#include "core/libraries/error_codes.h"
#include "core/libraries/kernel/cpu_management.h"
@ -19,6 +24,7 @@
#include "core/libraries/libs.h"
#include "core/linker.h"
#include "core/memory.h"
#ifdef _WIN64
#include <io.h>
#include <objbase.h>
@ -26,12 +32,43 @@
#else
#include <sys/mman.h>
#endif
#include <core/file_format/psf.h>
namespace Libraries::Kernel {
static u64 g_stack_chk_guard = 0xDEADBEEF54321ABC; // dummy return
boost::asio::io_context io_context;
std::mutex m_asio_req;
std::condition_variable_any cv_asio_req;
std::atomic<u32> asio_requests;
std::jthread service_thread;
void KernelSignalRequest() {
std::unique_lock lock{m_asio_req};
++asio_requests;
cv_asio_req.notify_one();
}
static void KernelServiceThread(std::stop_token stoken) {
Common::SetCurrentThreadName("Kernel_ServiceThread");
while (!stoken.stop_requested()) {
HLE_TRACE;
{
std::unique_lock lock{m_asio_req};
cv_asio_req.wait(lock, stoken, [] { return asio_requests != 0; });
}
if (stoken.stop_requested()) {
break;
}
io_context.run();
io_context.reset();
asio_requests = 0;
}
}
static void* PS4_SYSV_ABI sceKernelGetProcParam() {
auto* linker = Common::Singleton<Core::Linker>::Instance();
return reinterpret_cast<void*>(linker->GetProcParam());
@ -295,8 +332,8 @@ int PS4_SYSV_ABI sceKernelUuidCreate(OrbisKernelUuid* orbisUuid) {
return 0;
}
char* PS4_SYSV_ABI sceKernelGetFsSandboxRandomWord() {
char* path = "sys";
const char* PS4_SYSV_ABI sceKernelGetFsSandboxRandomWord() {
const char* path = "sys";
return path;
}
@ -310,6 +347,8 @@ int PS4_SYSV_ABI _sigprocmask() {
}
void LibKernel_Register(Core::Loader::SymbolsResolver* sym) {
service_thread = std::jthread{KernelServiceThread};
// obj
LIB_OBJ("f7uOxY9mM1U", "libkernel", 1, "libkernel", 1, 1, &g_stack_chk_guard);
// misc
@ -353,6 +392,7 @@ void LibKernel_Register(Core::Loader::SymbolsResolver* sym) {
LIB_FUNCTION("vz+pg2zdopI", "libkernel", 1, "libkernel", 1, 1, sceKernelGetEventUserData);
LIB_FUNCTION("4R6-OvI2cEA", "libkernel", 1, "libkernel", 1, 1, sceKernelAddUserEvent);
LIB_FUNCTION("WDszmSbWuDk", "libkernel", 1, "libkernel", 1, 1, sceKernelAddUserEventEdge);
LIB_FUNCTION("R74tt43xP6k", "libkernel", 1, "libkernel", 1, 1, sceKernelAddHRTimerEvent);
LIB_FUNCTION("F6e0kwo4cnk", "libkernel", 1, "libkernel", 1, 1, sceKernelTriggerUserEvent);
LIB_FUNCTION("LJDwdSNTnDg", "libkernel", 1, "libkernel", 1, 1, sceKernelDeleteUserEvent);

5
src/core/libraries/videoout/driver.cpp
View File

@ -196,7 +196,7 @@ void VideoOutDriver::Flip(std::chrono::microseconds timeout) {
// Trigger flip events for the port.
for (auto& event : req.port->flip_events) {
if (event != nullptr) {
event->triggerEvent(SCE_VIDEO_OUT_EVENT_FLIP, Kernel::EVFILT_VIDEO_OUT,
event->TriggerEvent(SCE_VIDEO_OUT_EVENT_FLIP, Kernel::SceKernelEvent::Filter::VideoOut,
reinterpret_cast<void*>(req.flip_arg));
}
}
@ -252,7 +252,8 @@ void VideoOutDriver::Vblank() {
// Trigger flip events for the port.
for (auto& event : main_port.vblank_events) {
if (event != nullptr) {
event->triggerEvent(SCE_VIDEO_OUT_EVENT_VBLANK, Kernel::EVFILT_VIDEO_OUT, nullptr);
event->TriggerEvent(SCE_VIDEO_OUT_EVENT_VBLANK,
Kernel::SceKernelEvent::Filter::VideoOut, nullptr);
}
}
}

14
src/core/libraries/videoout/video_out.cpp
View File

@ -48,16 +48,15 @@ s32 PS4_SYSV_ABI sceVideoOutAddFlipEvent(Kernel::SceKernelEqueue eq, s32 handle,
}
Kernel::EqueueEvent event{};
event.isTriggered = false;
event.event.ident = SCE_VIDEO_OUT_EVENT_FLIP;
event.event.filter = Kernel::EVFILT_VIDEO_OUT;
event.event.filter = Kernel::SceKernelEvent::Filter::VideoOut;
event.event.udata = udata;
event.event.fflags = 0;
event.event.data = 0;
event.filter.data = port;
event.data = port;
port->flip_events.push_back(eq);
return eq->addEvent(event);
return eq->AddEvent(event);
}
s32 PS4_SYSV_ABI sceVideoOutAddVblankEvent(Kernel::SceKernelEqueue eq, s32 handle, void* udata) {
@ -73,16 +72,15 @@ s32 PS4_SYSV_ABI sceVideoOutAddVblankEvent(Kernel::SceKernelEqueue eq, s32 handl
}
Kernel::EqueueEvent event{};
event.isTriggered = false;
event.event.ident = SCE_VIDEO_OUT_EVENT_VBLANK;
event.event.filter = Kernel::EVFILT_VIDEO_OUT;
event.event.filter = Kernel::SceKernelEvent::Filter::VideoOut;
event.event.udata = udata;
event.event.fflags = 0;
event.event.data = 0;
event.filter.data = port;
event.data = port;
port->vblank_events.push_back(eq);
return eq->addEvent(event);
return eq->AddEvent(event);
}
s32 PS4_SYSV_ABI sceVideoOutRegisterBuffers(s32 handle, s32 startIndex, void* const* addresses,