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-rw-r--r--src/core/hle/function_wrappers.h6
-rw-r--r--src/core/hle/kernel/kernel.cpp4
-rw-r--r--src/core/hle/kernel/kernel.h1
-rw-r--r--src/core/hle/kernel/thread.h1
-rw-r--r--src/core/hle/kernel/timer.cpp142
-rw-r--r--src/core/hle/kernel/timer.h47
-rw-r--r--src/core/hle/svc.cpp36
7 files changed, 232 insertions, 5 deletions
diff --git a/src/core/hle/function_wrappers.h b/src/core/hle/function_wrappers.h
index 0f822f84b..8eb4f252b 100644
--- a/src/core/hle/function_wrappers.h
+++ b/src/core/hle/function_wrappers.h
@@ -135,6 +135,12 @@ template<s32 func(u32*, u32, u32, u32, u32)> void Wrap() {
FuncReturn(retval);
}
+template<s32 func(u32, s64, s64)> void Wrap() {
+ s64 param1 = ((u64)PARAM(3) << 32) | PARAM(2);
+ s64 param2 = ((u64)PARAM(4) << 32) | PARAM(1);
+ FuncReturn(func(PARAM(0), param1, param2));
+}
+
////////////////////////////////////////////////////////////////////////////////////////////////////
// Function wrappers that return type u32
diff --git a/src/core/hle/kernel/kernel.cpp b/src/core/hle/kernel/kernel.cpp
index ae2c11a1c..391e833c0 100644
--- a/src/core/hle/kernel/kernel.cpp
+++ b/src/core/hle/kernel/kernel.cpp
@@ -9,6 +9,7 @@
#include "core/core.h"
#include "core/hle/kernel/kernel.h"
#include "core/hle/kernel/thread.h"
+#include "core/hle/kernel/timer.h"
namespace Kernel {
@@ -105,12 +106,13 @@ void HandleTable::Clear() {
/// Initialize the kernel
void Init() {
Kernel::ThreadingInit();
+ Kernel::TimersInit();
}
/// Shutdown the kernel
void Shutdown() {
Kernel::ThreadingShutdown();
-
+ Kernel::TimersShutdown();
g_handle_table.Clear(); // Free all kernel objects
}
diff --git a/src/core/hle/kernel/kernel.h b/src/core/hle/kernel/kernel.h
index 7f86fd07d..3e381d776 100644
--- a/src/core/hle/kernel/kernel.h
+++ b/src/core/hle/kernel/kernel.h
@@ -39,6 +39,7 @@ enum class HandleType : u32 {
Process = 8,
AddressArbiter = 9,
Semaphore = 10,
+ Timer = 11
};
enum {
diff --git a/src/core/hle/kernel/thread.h b/src/core/hle/kernel/thread.h
index e6961e279..58bd85ac6 100644
--- a/src/core/hle/kernel/thread.h
+++ b/src/core/hle/kernel/thread.h
@@ -43,6 +43,7 @@ enum WaitType {
WAITTYPE_MUTEX,
WAITTYPE_SYNCH,
WAITTYPE_ARB,
+ WAITTYPE_TIMER,
};
namespace Kernel {
diff --git a/src/core/hle/kernel/timer.cpp b/src/core/hle/kernel/timer.cpp
new file mode 100644
index 000000000..7ac669e31
--- /dev/null
+++ b/src/core/hle/kernel/timer.cpp
@@ -0,0 +1,142 @@
+// Copyright 2015 Citra Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#include <set>
+
+#include "common/common.h"
+
+#include "core/core_timing.h"
+#include "core/hle/kernel/kernel.h"
+#include "core/hle/kernel/timer.h"
+#include "core/hle/kernel/thread.h"
+
+namespace Kernel {
+
+class Timer : public Object {
+public:
+ std::string GetTypeName() const override { return "Timer"; }
+ std::string GetName() const override { return name; }
+
+ static const HandleType HANDLE_TYPE = HandleType::Timer;
+ HandleType GetHandleType() const override { return HANDLE_TYPE; }
+
+ ResetType reset_type; ///< The ResetType of this timer
+
+ bool signaled; ///< Whether the timer has been signaled or not
+ std::set<Handle> waiting_threads; ///< Threads that are waiting for the timer
+ std::string name; ///< Name of timer (optional)
+
+ u64 initial_delay; ///< The delay until the timer fires for the first time
+ u64 interval_delay; ///< The delay until the timer fires after the first time
+
+ ResultVal<bool> WaitSynchronization() override {
+ bool wait = !signaled;
+ if (wait) {
+ waiting_threads.insert(GetCurrentThreadHandle());
+ Kernel::WaitCurrentThread(WAITTYPE_TIMER, GetHandle());
+ }
+ return MakeResult<bool>(wait);
+ }
+};
+
+/**
+ * Creates a timer.
+ * @param handle Reference to handle for the newly created timer
+ * @param reset_type ResetType describing how to create timer
+ * @param name Optional name of timer
+ * @return Newly created Timer object
+ */
+Timer* CreateTimer(Handle& handle, const ResetType reset_type, const std::string& name) {
+ Timer* timer = new Timer;
+
+ handle = Kernel::g_handle_table.Create(timer).ValueOr(INVALID_HANDLE);
+
+ timer->reset_type = reset_type;
+ timer->signaled = false;
+ timer->name = name;
+ timer->initial_delay = 0;
+ timer->interval_delay = 0;
+ return timer;
+}
+
+ResultCode CreateTimer(Handle* handle, const ResetType reset_type, const std::string& name) {
+ CreateTimer(*handle, reset_type, name);
+ return RESULT_SUCCESS;
+}
+
+ResultCode ClearTimer(Handle handle) {
+ Timer* timer = Kernel::g_handle_table.Get<Timer>(handle);
+
+ if (timer == nullptr)
+ return InvalidHandle(ErrorModule::Kernel);
+
+ timer->signaled = false;
+ return RESULT_SUCCESS;
+}
+
+/// The event type of the generic timer callback event
+static int TimerCallbackEventType = -1;
+
+/// The timer callback event, called when a timer is fired
+static void TimerCallback(u64 timer_handle, int cycles_late) {
+ Timer* timer = Kernel::g_handle_table.Get<Timer>(timer_handle);
+
+ if (timer == nullptr) {
+ LOG_CRITICAL(Kernel, "Callback fired for invalid timer %u", timer_handle);
+ return;
+ }
+
+ LOG_TRACE(Kernel, "Timer %u fired", timer_handle);
+
+ timer->signaled = true;
+
+ // Resume all waiting threads
+ for (Handle thread : timer->waiting_threads)
+ ResumeThreadFromWait(thread);
+
+ timer->waiting_threads.clear();
+
+ if (timer->reset_type == RESETTYPE_ONESHOT)
+ timer->signaled = false;
+
+ if (timer->interval_delay != 0) {
+ // Reschedule the timer with the interval delay
+ u64 interval_microseconds = timer->interval_delay / 1000;
+ CoreTiming::ScheduleEvent(usToCycles(interval_microseconds) - cycles_late,
+ TimerCallbackEventType, timer_handle);
+ }
+}
+
+ResultCode SetTimer(Handle handle, s64 initial, s64 interval) {
+ Timer* timer = Kernel::g_handle_table.Get<Timer>(handle);
+
+ if (timer == nullptr)
+ return InvalidHandle(ErrorModule::Kernel);
+
+ timer->initial_delay = initial;
+ timer->interval_delay = interval;
+
+ u64 initial_microseconds = initial / 1000;
+ CoreTiming::ScheduleEvent(usToCycles(initial_microseconds), TimerCallbackEventType, handle);
+ return RESULT_SUCCESS;
+}
+
+ResultCode CancelTimer(Handle handle) {
+ Timer* timer = Kernel::g_handle_table.Get<Timer>(handle);
+
+ if (timer == nullptr)
+ return InvalidHandle(ErrorModule::Kernel);
+
+ CoreTiming::UnscheduleEvent(TimerCallbackEventType, handle);
+ return RESULT_SUCCESS;
+}
+
+void TimersInit() {
+ TimerCallbackEventType = CoreTiming::RegisterEvent("TimerCallback", TimerCallback);
+}
+
+void TimersShutdown() {
+}
+
+} // namespace
diff --git a/src/core/hle/kernel/timer.h b/src/core/hle/kernel/timer.h
new file mode 100644
index 000000000..f8aa66b60
--- /dev/null
+++ b/src/core/hle/kernel/timer.h
@@ -0,0 +1,47 @@
+// Copyright 2015 Citra Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#pragma once
+
+#include "common/common_types.h"
+
+#include "core/hle/kernel/kernel.h"
+#include "core/hle/svc.h"
+
+namespace Kernel {
+
+/**
+ * Cancels a timer
+ * @param handle Handle of the timer to cancel
+ */
+ResultCode CancelTimer(Handle handle);
+
+/**
+ * Starts a timer with the specified initial delay and interval
+ * @param handle Handle of the timer to start
+ * @param initial Delay until the timer is first fired
+ * @param interval Delay until the timer is fired after the first time
+ */
+ResultCode SetTimer(Handle handle, s64 initial, s64 interval);
+
+/**
+ * Clears a timer
+ * @param handle Handle of the timer to clear
+ */
+ResultCode ClearTimer(Handle handle);
+
+/**
+ * Creates a timer
+ * @param Handle to newly created Timer object
+ * @param reset_type ResetType describing how to create the timer
+ * @param name Optional name of timer
+ * @return ResultCode of the error
+ */
+ResultCode CreateTimer(Handle* handle, const ResetType reset_type, const std::string& name="Unknown");
+
+/// Initializes the required variables for timers
+void TimersInit();
+/// Tears down the timer variables
+void TimersShutdown();
+} // namespace
diff --git a/src/core/hle/svc.cpp b/src/core/hle/svc.cpp
index 4003e0ba9..cdcdea36d 100644
--- a/src/core/hle/svc.cpp
+++ b/src/core/hle/svc.cpp
@@ -15,6 +15,7 @@
#include "core/hle/kernel/semaphore.h"
#include "core/hle/kernel/shared_memory.h"
#include "core/hle/kernel/thread.h"
+#include "core/hle/kernel/timer.h"
#include "core/hle/function_wrappers.h"
#include "core/hle/result.h"
@@ -139,6 +140,7 @@ static Result WaitSynchronization1(Handle handle, s64 nano_seconds) {
/// Wait for the given handles to synchronize, timeout after the specified nanoseconds
static Result WaitSynchronizationN(s32* out, Handle* handles, s32 handle_count, bool wait_all,
s64 nano_seconds) {
+
// TODO(bunnei): Do something with nano_seconds, currently ignoring this
bool unlock_all = true;
bool wait_infinite = (nano_seconds == -1); // Used to wait until a thread has terminated
@@ -338,6 +340,32 @@ static Result ClearEvent(Handle evt) {
return Kernel::ClearEvent(evt).raw;
}
+/// Creates a timer
+static Result CreateTimer(Handle* handle, u32 reset_type) {
+ ResultCode res = Kernel::CreateTimer(handle, static_cast<ResetType>(reset_type));
+ LOG_TRACE(Kernel_SVC, "called reset_type=0x%08X : created handle=0x%08X",
+ reset_type, *handle);
+ return res.raw;
+}
+
+/// Clears a timer
+static Result ClearTimer(Handle handle) {
+ LOG_TRACE(Kernel_SVC, "called timer=0x%08X", handle);
+ return Kernel::ClearTimer(handle).raw;
+}
+
+/// Starts a timer
+static Result SetTimer(Handle handle, s64 initial, s64 interval) {
+ LOG_TRACE(Kernel_SVC, "called timer=0x%08X", handle);
+ return Kernel::SetTimer(handle, initial, interval).raw;
+}
+
+/// Cancels a timer
+static Result CancelTimer(Handle handle) {
+ LOG_TRACE(Kernel_SVC, "called timer=0x%08X", handle);
+ return Kernel::CancelTimer(handle).raw;
+}
+
/// Sleep the current thread
static void SleepThread(s64 nanoseconds) {
LOG_TRACE(Kernel_SVC, "called nanoseconds=%lld", nanoseconds);
@@ -395,10 +423,10 @@ const HLE::FunctionDef SVC_Table[] = {
{0x17, HLE::Wrap<CreateEvent>, "CreateEvent"},
{0x18, HLE::Wrap<SignalEvent>, "SignalEvent"},
{0x19, HLE::Wrap<ClearEvent>, "ClearEvent"},
- {0x1A, nullptr, "CreateTimer"},
- {0x1B, nullptr, "SetTimer"},
- {0x1C, nullptr, "CancelTimer"},
- {0x1D, nullptr, "ClearTimer"},
+ {0x1A, HLE::Wrap<CreateTimer>, "CreateTimer"},
+ {0x1B, HLE::Wrap<SetTimer>, "SetTimer"},
+ {0x1C, HLE::Wrap<CancelTimer>, "CancelTimer"},
+ {0x1D, HLE::Wrap<ClearTimer>, "ClearTimer"},
{0x1E, HLE::Wrap<CreateMemoryBlock>, "CreateMemoryBlock"},
{0x1F, HLE::Wrap<MapMemoryBlock>, "MapMemoryBlock"},
{0x20, nullptr, "UnmapMemoryBlock"},
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-10 12:41:11 +0100