1bd0cf542f
Applications can request the kernel to allocate a piece of the linear heap for them when creating a shared memory object. Shared memory areas are now properly mapped into the target processes when calling svcMapMemoryBlock. Removed the APT Shared Font hack as it is no longer needed.
88 lines
3 KiB
C++
88 lines
3 KiB
C++
// Copyright 2014 Citra Emulator Project
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// Licensed under GPLv2 or any later version
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// Refer to the license.txt file included.
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#include <cstring>
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#include "common/alignment.h"
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#include "core/hle/hle.h"
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#include "core/hle/kernel/mutex.h"
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#include "core/hle/kernel/shared_memory.h"
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#include "core/hle/service/csnd_snd.h"
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////////////////////////////////////////////////////////////////////////////////////////////////////
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// Namespace CSND_SND
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namespace CSND_SND {
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const Interface::FunctionInfo FunctionTable[] = {
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{0x00010140, Initialize, "Initialize"},
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{0x00020000, Shutdown, "Shutdown"},
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{0x00030040, ExecuteType0Commands, "ExecuteType0Commands"},
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{0x00040080, nullptr, "ExecuteType1Commands"},
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{0x00050000, AcquireSoundChannels, "AcquireSoundChannels"},
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{0x00060000, nullptr, "ReleaseSoundChannels"},
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{0x00070000, nullptr, "AcquireCaptureDevice"},
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{0x00080040, nullptr, "ReleaseCaptureDevice"},
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{0x00090082, nullptr, "FlushDataCache"},
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{0x000A0082, nullptr, "StoreDataCache"},
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{0x000B0082, nullptr, "InvalidateDataCache"},
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{0x000C0000, nullptr, "Reset"},
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};
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////////////////////////////////////////////////////////////////////////////////////////////////////
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// Interface class
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Interface::Interface() {
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Register(FunctionTable);
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}
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static Kernel::SharedPtr<Kernel::SharedMemory> shared_memory = nullptr;
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static Kernel::SharedPtr<Kernel::Mutex> mutex = nullptr;
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void Initialize(Service::Interface* self) {
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u32* cmd_buff = Kernel::GetCommandBuffer();
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u32 size = Common::AlignUp(cmd_buff[1], Memory::PAGE_SIZE);
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using Kernel::MemoryPermission;
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shared_memory = Kernel::SharedMemory::Create(nullptr, size,
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MemoryPermission::ReadWrite, MemoryPermission::ReadWrite,
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0, Kernel::MemoryRegion::BASE, "CSND:SharedMemory");
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mutex = Kernel::Mutex::Create(false);
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cmd_buff[1] = RESULT_SUCCESS.raw;
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cmd_buff[2] = IPC::MoveHandleDesc(2);
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cmd_buff[3] = Kernel::g_handle_table.Create(mutex).MoveFrom();
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cmd_buff[4] = Kernel::g_handle_table.Create(shared_memory).MoveFrom();
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}
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void ExecuteType0Commands(Service::Interface* self) {
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u32* const cmd_buff = Kernel::GetCommandBuffer();
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u8* const ptr = shared_memory->GetPointer(cmd_buff[1]);
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if (shared_memory != nullptr && ptr != nullptr) {
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Type0Command command;
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std::memcpy(&command, ptr, sizeof(Type0Command));
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LOG_WARNING(Service, "(STUBBED) CSND_SND::ExecuteType0Commands");
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command.finished |= 1;
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cmd_buff[1] = 0;
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std::memcpy(ptr, &command, sizeof(Type0Command));
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} else {
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cmd_buff[1] = 1;
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}
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}
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void AcquireSoundChannels(Service::Interface* self) {
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u32* cmd_buff = Kernel::GetCommandBuffer();
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cmd_buff[1] = 0;
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cmd_buff[2] = 0xFFFFFF00;
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}
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void Shutdown(Service::Interface* self) {
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shared_memory = nullptr;
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mutex = nullptr;
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}
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} // namespace
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