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// Copyright 2014 Citra Emulator Project
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#include <cstring>
#include "common/alignment.h"
#include "core/hle/hle.h"
#include "core/hle/kernel/mutex.h"
#include "core/hle/kernel/shared_memory.h"
#include "core/hle/service/csnd_snd.h"
namespace Service {
namespace CSND {
const Interface::FunctionInfo FunctionTable[] = {
{0x00010140, Initialize, "Initialize"},
{0x00020000, Shutdown, "Shutdown"},
{0x00030040, ExecuteType0Commands, "ExecuteType0Commands"},
{0x00040080, nullptr, "ExecuteType1Commands"},
{0x00050000, AcquireSoundChannels, "AcquireSoundChannels"},
{0x00060000, nullptr, "ReleaseSoundChannels"},
{0x00070000, nullptr, "AcquireCaptureDevice"},
{0x00080040, nullptr, "ReleaseCaptureDevice"},
{0x00090082, nullptr, "FlushDataCache"},
{0x000A0082, nullptr, "StoreDataCache"},
{0x000B0082, nullptr, "InvalidateDataCache"},
{0x000C0000, nullptr, "Reset"},
};
CSND_SND::CSND_SND() {
Register(FunctionTable);
}
static Kernel::SharedPtr<Kernel::SharedMemory> shared_memory = nullptr;
static Kernel::SharedPtr<Kernel::Mutex> mutex = nullptr;
void Initialize(Interface* self) {
u32* cmd_buff = Kernel::GetCommandBuffer();
u32 size = Common::AlignUp(cmd_buff[1], Memory::PAGE_SIZE);
using Kernel::MemoryPermission;
shared_memory = Kernel::SharedMemory::Create(nullptr, size, MemoryPermission::ReadWrite,
MemoryPermission::ReadWrite, 0,
Kernel::MemoryRegion::BASE, "CSND:SharedMemory");
mutex = Kernel::Mutex::Create(false);
cmd_buff[1] = RESULT_SUCCESS.raw;
cmd_buff[2] = IPC::CopyHandleDesc(2);
cmd_buff[3] = Kernel::g_handle_table.Create(mutex).MoveFrom();
cmd_buff[4] = Kernel::g_handle_table.Create(shared_memory).MoveFrom();
}
void ExecuteType0Commands(Interface* self) {
u32* const cmd_buff = Kernel::GetCommandBuffer();
u8* const ptr = shared_memory->GetPointer(cmd_buff[1]);
if (shared_memory != nullptr && ptr != nullptr) {
Type0Command command;
std::memcpy(&command, ptr, sizeof(Type0Command));
LOG_WARNING(Service, "(STUBBED) CSND_SND::ExecuteType0Commands");
command.finished |= 1;
cmd_buff[1] = 0;
std::memcpy(ptr, &command, sizeof(Type0Command));
} else {
cmd_buff[1] = 1;
}
}
void AcquireSoundChannels(Interface* self) {
u32* cmd_buff = Kernel::GetCommandBuffer();
cmd_buff[1] = 0;
cmd_buff[2] = 0xFFFFFF00;
}
void Shutdown(Interface* self) {
shared_memory = nullptr;
mutex = nullptr;
}
} // namespace CSND
} // namespace Service
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