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DSP/Interrupts: Keep track of the registered interrupts and signal them all at the same time.

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This is still a hack, but it's a bit better than just ignoring the previous interrupt events. It should allow some games to not freeze randomly.
This commit is contained in:
Subv 2015-12-27 12:52:41 -05:00
parent 031443199b
commit 36a0d5c66c
1 changed files with 33 additions and 17 deletions
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46
src/core/hle/service/dsp_dsp.cpp
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@ -8,14 +8,24 @@
#include "core/hle/kernel/event.h"
#include "core/hle/service/dsp_dsp.h"
#include <unordered_map>
////////////////////////////////////////////////////////////////////////////////////////////////////
// Namespace DSP_DSP
namespace DSP_DSP {
struct PairHash {
public:
template <typename T, typename U>
std::size_t operator()(const std::pair<T, U> &x) const {
return std::hash<T>()(x.first) ^ std::hash<U>()(x.second);
}
};
static u32 read_pipe_count;
static Kernel::SharedPtr<Kernel::Event> semaphore_event;
static Kernel::SharedPtr<Kernel::Event> interrupt_event;
static std::unordered_map<std::pair<u32, u32>, Kernel::SharedPtr<Kernel::Event>, PairHash> interrupt_events;
void SignalInterrupt() {
// TODO(bunnei): This is just a stub, it does not do anything other than signal to the emulated
@ -24,8 +34,8 @@ void SignalInterrupt() {
// that check the DSP interrupt signal event to run. We should figure out the different types of
// DSP interrupts, and trigger them at the appropriate times.
if (interrupt_event != 0)
interrupt_event->Signal();
for (auto interrupt_event : interrupt_events)
interrupt_event.second->Signal();
}
/**
@ -122,8 +132,8 @@ static void FlushDataCache(Service::Interface* self) {
/**
* DSP_DSP::RegisterInterruptEvents service function
* Inputs:
* 1 : Parameter 0 (purpose unknown)
* 2 : Parameter 1 (purpose unknown)
* 1 : Interrupt
* 2 : Channel
* 4 : Interrupt event handle
* Outputs:
* 1 : Result of function, 0 on success, otherwise error code
@ -131,22 +141,28 @@ static void FlushDataCache(Service::Interface* self) {
static void RegisterInterruptEvents(Service::Interface* self) {
u32* cmd_buff = Kernel::GetCommandBuffer();
u32 param0 = cmd_buff[1];
u32 param1 = cmd_buff[2];
u32 interrupt = cmd_buff[1];
u32 channel = cmd_buff[2];
u32 event_handle = cmd_buff[4];
auto evt = Kernel::g_handle_table.Get<Kernel::Event>(cmd_buff[4]);
if (evt != nullptr) {
interrupt_event = evt;
cmd_buff[1] = 0; // No error
if (!event_handle) {
// Unregister the event for this interrupt and channel
interrupt_events.erase(std::make_pair(interrupt, channel));
cmd_buff[1] = RESULT_SUCCESS.raw;
} else {
LOG_ERROR(Service_DSP, "called with invalid handle=%08X", cmd_buff[4]);
auto evt = Kernel::g_handle_table.Get<Kernel::Event>(event_handle);
if (evt != nullptr) {
interrupt_events[std::make_pair(interrupt, channel)] = evt;
cmd_buff[1] = RESULT_SUCCESS.raw; // No error
} else {
LOG_ERROR(Service_DSP, "called with invalid handle=%08X", event_handle);
// TODO(yuriks): An error should be returned from SendSyncRequest, not in the cmdbuf
cmd_buff[1] = -1;
}
}
LOG_WARNING(Service_DSP, "(STUBBED) called param0=%u, param1=%u, event_handle=0x%08X", param0, param1, event_handle);
LOG_WARNING(Service_DSP, "(STUBBED) called interrupt=%u, channel=%u, event_handle=0x%08X", interrupt, channel, event_handle);
}
/**
@ -304,7 +320,7 @@ const Interface::FunctionInfo FunctionTable[] = {
Interface::Interface() {
semaphore_event = Kernel::Event::Create(RESETTYPE_ONESHOT, "DSP_DSP::semaphore_event");
interrupt_event = nullptr;
interrupt_events.clear();
read_pipe_count = 0;
Register(FunctionTable);
@ -312,7 +328,7 @@ Interface::Interface() {
Interface::~Interface() {
semaphore_event = nullptr;
interrupt_event = nullptr;
interrupt_events.clear();
}
} // namespace