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-rw-r--r--src/audio_core/audio_core.cpp7
-rw-r--r--src/audio_core/hle/pipe.cpp4
-rw-r--r--src/core/hle/service/dsp_dsp.cpp129
-rw-r--r--src/core/hle/service/dsp_dsp.h19
4 files changed, 113 insertions, 46 deletions
diff --git a/src/audio_core/audio_core.cpp b/src/audio_core/audio_core.cpp
index 894f46990..0685eaf85 100644
--- a/src/audio_core/audio_core.cpp
+++ b/src/audio_core/audio_core.cpp
@@ -4,6 +4,7 @@
#include "audio_core/audio_core.h"
#include "audio_core/hle/dsp.h"
+#include "audio_core/hle/pipe.h"
#include "core/core_timing.h"
#include "core/hle/kernel/vm_manager.h"
@@ -17,10 +18,8 @@ static constexpr u64 audio_frame_ticks = 1310252ull; ///< Units: ARM11 cycles
static void AudioTickCallback(u64 /*userdata*/, int cycles_late) {
if (DSP::HLE::Tick()) {
- // HACK: We're not signaling the interrups when they should be, but just firing them all off together.
- // It should be only (interrupt_id = 2, channel_id = 2) that's signalled here.
- // TODO(merry): Understand when the other interrupts are fired.
- DSP_DSP::SignalAllInterrupts();
+ // TODO(merry): Signal all the other interrupts as appropriate.
+ DSP_DSP::SignalPipeInterrupt(DSP::HLE::DspPipe::Audio);
}
// Reschedule recurrent event
diff --git a/src/audio_core/hle/pipe.cpp b/src/audio_core/hle/pipe.cpp
index 7ec97dfda..03280780f 100644
--- a/src/audio_core/hle/pipe.cpp
+++ b/src/audio_core/hle/pipe.cpp
@@ -12,6 +12,8 @@
#include "common/common_types.h"
#include "common/logging/log.h"
+#include "core/hle/service/dsp_dsp.h"
+
namespace DSP {
namespace HLE {
@@ -97,6 +99,8 @@ static void AudioPipeWriteStructAddresses() {
for (u16 addr : struct_addresses) {
WriteU16(DspPipe::Audio, addr);
}
+ // Signal that we have data on this pipe.
+ DSP_DSP::SignalPipeInterrupt(DspPipe::Audio);
}
void PipeWrite(DspPipe pipe_number, const std::vector<u8>& buffer) {
diff --git a/src/core/hle/service/dsp_dsp.cpp b/src/core/hle/service/dsp_dsp.cpp
index 751cb3d61..e9ef50f86 100644
--- a/src/core/hle/service/dsp_dsp.cpp
+++ b/src/core/hle/service/dsp_dsp.cpp
@@ -2,6 +2,7 @@
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
+#include <algorithm>
#include <cinttypes>
#include "audio_core/hle/pipe.h"
@@ -12,6 +13,8 @@
#include "core/hle/kernel/event.h"
#include "core/hle/service/dsp_dsp.h"
+using DspPipe = DSP::HLE::DspPipe;
+
////////////////////////////////////////////////////////////////////////////////////////////////////
// Namespace DSP_DSP
@@ -19,29 +22,71 @@ namespace DSP_DSP {
static Kernel::SharedPtr<Kernel::Event> semaphore_event;
-struct PairHash {
- template <typename T, typename U>
- std::size_t operator()(const std::pair<T, U> &x) const {
- // TODO(yuriks): Replace with better hash combining function.
- return std::hash<T>()(x.first) ^ std::hash<U>()(x.second);
+/// There are three types of interrupts
+enum class InterruptType {
+ Zero, One, Pipe
+};
+constexpr size_t NUM_INTERRUPT_TYPE = 3;
+
+class InterruptEvents final {
+public:
+ void Signal(InterruptType type, DspPipe pipe) {
+ Kernel::SharedPtr<Kernel::Event>& event = Get(type, pipe);
+ if (event) {
+ event->Signal();
+ }
+ }
+
+ Kernel::SharedPtr<Kernel::Event>& Get(InterruptType type, DspPipe dsp_pipe) {
+ switch (type) {
+ case InterruptType::Zero:
+ return zero;
+ case InterruptType::One:
+ return one;
+ case InterruptType::Pipe: {
+ const size_t pipe_index = static_cast<size_t>(dsp_pipe);
+ ASSERT(pipe_index < DSP::HLE::NUM_DSP_PIPE);
+ return pipe[pipe_index];
+ }
+ }
+
+ UNREACHABLE_MSG("Invalid interrupt type = %zu", static_cast<size_t>(type));
+ }
+
+ bool HasTooManyEventsRegistered() const {
+ // Actual service implementation only has 6 'slots' for interrupts.
+ constexpr size_t max_number_of_interrupt_events = 6;
+
+ size_t number = std::count_if(pipe.begin(), pipe.end(), [](const auto& evt) {
+ return evt != nullptr;
+ });
+
+ if (zero != nullptr)
+ number++;
+ if (one != nullptr)
+ number++;
+
+ return number >= max_number_of_interrupt_events;
}
+
+private:
+ /// Currently unknown purpose
+ Kernel::SharedPtr<Kernel::Event> zero = nullptr;
+ /// Currently unknown purpose
+ Kernel::SharedPtr<Kernel::Event> one = nullptr;
+ /// Each DSP pipe has an associated interrupt
+ std::array<Kernel::SharedPtr<Kernel::Event>, DSP::HLE::NUM_DSP_PIPE> pipe = {{}};
};
-/// Map of (audio interrupt number, channel number) to Kernel::Events. See: RegisterInterruptEvents
-static std::unordered_map<std::pair<u32, u32>, Kernel::SharedPtr<Kernel::Event>, PairHash> interrupt_events;
+static InterruptEvents interrupt_events;
// DSP Interrupts:
-// Interrupt #2 occurs every frame tick. Userland programs normally have a thread that's waiting
-// for an interrupt event. Immediately after this interrupt event, userland normally updates the
-// state in the next region and increments the relevant frame counter by two.
-void SignalAllInterrupts() {
- // HACK: The other interrupts have currently unknown purpose, we trigger them each tick in any case.
- for (auto& interrupt_event : interrupt_events)
- interrupt_event.second->Signal();
-}
-
-void SignalInterrupt(u32 interrupt, u32 channel) {
- interrupt_events[std::make_pair(interrupt, channel)]->Signal();
+// The audio-pipe interrupt occurs every frame tick. Userland programs normally have a thread
+// that's waiting for an interrupt event. Immediately after this interrupt event, userland
+// normally updates the state in the next region and increments the relevant frame counter by
+// two.
+void SignalPipeInterrupt(DspPipe pipe) {
+ interrupt_events.Signal(InterruptType::Pipe, pipe);
}
/**
@@ -147,8 +192,8 @@ static void FlushDataCache(Service::Interface* self) {
/**
* DSP_DSP::RegisterInterruptEvents service function
* Inputs:
- * 1 : Interrupt Number
- * 2 : Channel Number
+ * 1 : Interrupt Type
+ * 2 : Pipe Number
* 4 : Interrupt event handle
* Outputs:
* 1 : Result of function, 0 on success, otherwise error code
@@ -156,23 +201,40 @@ static void FlushDataCache(Service::Interface* self) {
static void RegisterInterruptEvents(Service::Interface* self) {
u32* cmd_buff = Kernel::GetCommandBuffer();
- u32 interrupt = cmd_buff[1];
- u32 channel = cmd_buff[2];
+ u32 type_index = cmd_buff[1];
+ u32 pipe_index = cmd_buff[2];
u32 event_handle = cmd_buff[4];
+ ASSERT_MSG(type_index < NUM_INTERRUPT_TYPE && pipe_index < DSP::HLE::NUM_DSP_PIPE,
+ "Invalid type or pipe: type = %u, pipe = %u", type_index, pipe_index);
+
+ InterruptType type = static_cast<InterruptType>(cmd_buff[1]);
+ DspPipe pipe = static_cast<DspPipe>(cmd_buff[2]);
+
+ cmd_buff[0] = IPC::MakeHeader(0x15, 1, 0);
+
if (event_handle) {
auto evt = Kernel::g_handle_table.Get<Kernel::Event>(cmd_buff[4]);
- if (evt) {
- interrupt_events[std::make_pair(interrupt, channel)] = evt;
- cmd_buff[1] = RESULT_SUCCESS.raw;
- LOG_INFO(Service_DSP, "Registered interrupt=%u, channel=%u, event_handle=0x%08X", interrupt, channel, event_handle);
- } else {
- LOG_CRITICAL(Service_DSP, "Invalid event handle! interrupt=%u, channel=%u, event_handle=0x%08X", interrupt, channel, event_handle);
- ASSERT(false); // This should really be handled at a IPC translation layer.
+
+ if (!evt) {
+ LOG_INFO(Service_DSP, "Invalid event handle! type=%u, pipe=%u, event_handle=0x%08X", type_index, pipe_index, event_handle);
+ ASSERT(false); // TODO: This should really be handled at an IPC translation layer.
+ }
+
+ if (interrupt_events.HasTooManyEventsRegistered()) {
+ LOG_INFO(Service_DSP, "Ran out of space to register interrupts (Attempted to register type=%u, pipe=%u, event_handle=0x%08X)",
+ type_index, pipe_index, event_handle);
+ cmd_buff[1] = ResultCode(ErrorDescription::InvalidResultValue, ErrorModule::DSP, ErrorSummary::OutOfResource, ErrorLevel::Status).raw;
+ return;
}
+
+ interrupt_events.Get(type, pipe) = evt;
+ LOG_INFO(Service_DSP, "Registered type=%u, pipe=%u, event_handle=0x%08X", type_index, pipe_index, event_handle);
+ cmd_buff[1] = RESULT_SUCCESS.raw;
} else {
- interrupt_events.erase(std::make_pair(interrupt, channel));
- LOG_INFO(Service_DSP, "Unregistered interrupt=%u, channel=%u, event_handle=0x%08X", interrupt, channel, event_handle);
+ interrupt_events.Get(type, pipe) = nullptr;
+ LOG_INFO(Service_DSP, "Unregistered interrupt=%u, channel=%u, event_handle=0x%08X", type_index, pipe_index, event_handle);
+ cmd_buff[1] = RESULT_SUCCESS.raw;
}
}
@@ -194,7 +256,7 @@ static void SetSemaphore(Service::Interface* self) {
/**
* DSP_DSP::WriteProcessPipe service function
* Inputs:
- * 1 : Channel
+ * 1 : Pipe Number
* 2 : Size
* 3 : (size << 14) | 0x402
* 4 : Buffer
@@ -457,13 +519,14 @@ const Interface::FunctionInfo FunctionTable[] = {
Interface::Interface() {
semaphore_event = Kernel::Event::Create(Kernel::ResetType::OneShot, "DSP_DSP::semaphore_event");
+ interrupt_events = {};
Register(FunctionTable);
}
Interface::~Interface() {
semaphore_event = nullptr;
- interrupt_events.clear();
+ interrupt_events = {};
}
} // namespace
diff --git a/src/core/hle/service/dsp_dsp.h b/src/core/hle/service/dsp_dsp.h
index 32b89e9bb..22f6687cc 100644
--- a/src/core/hle/service/dsp_dsp.h
+++ b/src/core/hle/service/dsp_dsp.h
@@ -8,6 +8,12 @@
#include "core/hle/service/service.h"
+namespace DSP {
+namespace HLE {
+enum class DspPipe;
+}
+}
+
////////////////////////////////////////////////////////////////////////////////////////////////////
// Namespace DSP_DSP
@@ -23,15 +29,10 @@ public:
}
};
-/// Signal all audio related interrupts.
-void SignalAllInterrupts();
-
/**
- * Signal a specific audio related interrupt based on interrupt id and channel id.
- * @param interrupt_id The interrupt id
- * @param channel_id The channel id
- * The significance of various values of interrupt_id and channel_id is not yet known.
+ * Signal a specific DSP related interrupt of type == InterruptType::Pipe, pipe == pipe.
+ * @param pipe The DSP pipe for which to signal an interrupt for.
*/
-void SignalInterrupt(u32 interrupt_id, u32 channel_id);
+void SignalPipeInterrupt(DSP::HLE::DspPipe pipe);
-} // namespace
+} // namespace DSP_DSP
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-10 15:51:00 +0100