337 lines
17 KiB
C++
Executable File
337 lines
17 KiB
C++
Executable File
// SPDX-FileCopyrightText: Copyright 2024 yuzu Emulator Project
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// SPDX-License-Identifier: GPL-2.0-or-later
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#pragma once
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#include "common/div_ceil.h"
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#include "core/hle/service/cmif_types.h"
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#include "core/hle/service/ipc_helpers.h"
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#include "core/hle/service/service.h"
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namespace Service {
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// clang-format off
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struct RequestLayout {
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u32 copy_handle_count;
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u32 move_handle_count;
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u32 cmif_raw_data_size;
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u32 domain_interface_count;
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};
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template <ArgumentType Type1, ArgumentType Type2, typename MethodArguments, size_t PrevAlign = 1, size_t DataOffset = 0, size_t ArgIndex = 0>
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constexpr u32 GetArgumentRawDataSize() {
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if constexpr (ArgIndex >= std::tuple_size_v<MethodArguments>) {
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return static_cast<u32>(DataOffset);
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} else {
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using ArgType = std::tuple_element_t<ArgIndex, MethodArguments>;
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if constexpr (ArgumentTraits<ArgType>::Type == Type1 || ArgumentTraits<ArgType>::Type == Type2) {
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constexpr size_t ArgAlign = alignof(ArgType);
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constexpr size_t ArgSize = sizeof(ArgType);
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static_assert(PrevAlign <= ArgAlign, "Input argument is not ordered by alignment");
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constexpr size_t ArgOffset = Common::AlignUp(DataOffset, ArgAlign);
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constexpr size_t ArgEnd = ArgOffset + ArgSize;
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return GetArgumentRawDataSize<Type1, Type2, MethodArguments, ArgAlign, ArgEnd, ArgIndex + 1>();
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} else {
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return GetArgumentRawDataSize<Type1, Type2, MethodArguments, PrevAlign, DataOffset, ArgIndex + 1>();
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}
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}
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}
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template <ArgumentType DataType, typename MethodArguments, size_t ArgCount = 0, size_t ArgIndex = 0>
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constexpr u32 GetArgumentTypeCount() {
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if constexpr (ArgIndex >= std::tuple_size_v<MethodArguments>) {
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return static_cast<u32>(ArgCount);
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} else {
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using ArgType = std::tuple_element_t<ArgIndex, MethodArguments>;
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if constexpr (ArgumentTraits<ArgType>::Type == DataType) {
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return GetArgumentTypeCount<DataType, MethodArguments, ArgCount + 1, ArgIndex + 1>();
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} else {
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return GetArgumentTypeCount<DataType, MethodArguments, ArgCount, ArgIndex + 1>();
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}
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}
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}
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template <typename MethodArguments>
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constexpr RequestLayout GetNonDomainReplyInLayout() {
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return RequestLayout{
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.copy_handle_count = GetArgumentTypeCount<ArgumentType::InCopyHandle, MethodArguments>(),
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.move_handle_count = 0,
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.cmif_raw_data_size = GetArgumentRawDataSize<ArgumentType::InData, ArgumentType::InProcessId, MethodArguments>(),
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.domain_interface_count = 0,
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};
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}
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template <typename MethodArguments>
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constexpr RequestLayout GetDomainReplyInLayout() {
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return RequestLayout{
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.copy_handle_count = GetArgumentTypeCount<ArgumentType::InCopyHandle, MethodArguments>(),
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.move_handle_count = 0,
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.cmif_raw_data_size = GetArgumentRawDataSize<ArgumentType::InData, ArgumentType::InProcessId, MethodArguments>(),
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.domain_interface_count = GetArgumentTypeCount<ArgumentType::InInterface, MethodArguments>(),
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};
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}
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template <typename MethodArguments>
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constexpr RequestLayout GetNonDomainReplyOutLayout() {
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return RequestLayout{
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.copy_handle_count = GetArgumentTypeCount<ArgumentType::OutCopyHandle, MethodArguments>(),
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.move_handle_count = GetArgumentTypeCount<ArgumentType::OutMoveHandle, MethodArguments>() + GetArgumentTypeCount<ArgumentType::OutInterface, MethodArguments>(),
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.cmif_raw_data_size = GetArgumentRawDataSize<ArgumentType::OutData, ArgumentType::OutData, MethodArguments>(),
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.domain_interface_count = 0,
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};
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}
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template <typename MethodArguments>
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constexpr RequestLayout GetDomainReplyOutLayout() {
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return RequestLayout{
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.copy_handle_count = GetArgumentTypeCount<ArgumentType::OutCopyHandle, MethodArguments>(),
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.move_handle_count = GetArgumentTypeCount<ArgumentType::OutMoveHandle, MethodArguments>(),
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.cmif_raw_data_size = GetArgumentRawDataSize<ArgumentType::OutData, ArgumentType::OutData, MethodArguments>(),
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.domain_interface_count = GetArgumentTypeCount<ArgumentType::OutInterface, MethodArguments>(),
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};
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}
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template <typename MethodArguments>
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constexpr RequestLayout GetReplyInLayout(bool is_domain) {
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return is_domain ? GetDomainReplyInLayout<MethodArguments>() : GetNonDomainReplyInLayout<MethodArguments>();
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}
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template <typename MethodArguments>
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constexpr RequestLayout GetReplyOutLayout(bool is_domain) {
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return is_domain ? GetDomainReplyOutLayout<MethodArguments>() : GetNonDomainReplyOutLayout<MethodArguments>();
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}
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using OutTemporaryBuffers = std::array<Common::ScratchBuffer<u8>, 3>;
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template <typename MethodArguments, typename CallArguments, size_t PrevAlign = 1, size_t DataOffset = 0, size_t HandleIndex = 0, size_t InBufferIndex = 0, size_t OutBufferIndex = 0, bool RawDataFinished = false, size_t ArgIndex = 0>
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void ReadInArgument(bool is_domain, CallArguments& args, const u8* raw_data, HLERequestContext& ctx, OutTemporaryBuffers& temp) {
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if constexpr (ArgIndex >= std::tuple_size_v<CallArguments>) {
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return;
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} else {
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using ArgType = std::tuple_element_t<ArgIndex, MethodArguments>;
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if constexpr (ArgumentTraits<ArgType>::Type == ArgumentType::InData || ArgumentTraits<ArgType>::Type == ArgumentType::InProcessId) {
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constexpr size_t ArgAlign = alignof(ArgType);
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constexpr size_t ArgSize = sizeof(ArgType);
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static_assert(PrevAlign <= ArgAlign, "Input argument is not ordered by alignment");
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static_assert(!RawDataFinished, "All input interface arguments must appear after raw data");
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constexpr size_t ArgOffset = Common::AlignUp(DataOffset, ArgAlign);
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constexpr size_t ArgEnd = ArgOffset + ArgSize;
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if constexpr (ArgumentTraits<ArgType>::Type == ArgumentType::InProcessId) {
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// TODO: abort parsing if PID is not provided?
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// TODO: validate against raw data value?
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std::get<ArgIndex>(args).pid = ctx.GetPID();
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} else {
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std::memcpy(&std::get<ArgIndex>(args), raw_data + ArgOffset, ArgSize);
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}
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return ReadInArgument<MethodArguments, CallArguments, ArgAlign, ArgEnd, HandleIndex, InBufferIndex, OutBufferIndex, false, ArgIndex + 1>(is_domain, args, raw_data, ctx, temp);
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} else if constexpr (ArgumentTraits<ArgType>::Type == ArgumentType::InInterface) {
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constexpr size_t ArgAlign = alignof(u32);
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constexpr size_t ArgSize = sizeof(u32);
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constexpr size_t ArgOffset = Common::AlignUp(DataOffset, ArgAlign);
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constexpr size_t ArgEnd = ArgOffset + ArgSize;
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ASSERT(is_domain);
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ASSERT(ctx.GetDomainMessageHeader().input_object_count > 0);
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u32 value{};
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std::memcpy(&value, raw_data + ArgOffset, ArgSize);
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std::get<ArgIndex>(args) = ctx.GetDomainHandler<ArgType::Type>(value - 1);
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return ReadInArgument<MethodArguments, CallArguments, ArgAlign, ArgEnd, HandleIndex, InBufferIndex, OutBufferIndex, true, ArgIndex + 1>(is_domain, args, raw_data, ctx, temp);
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} else if constexpr (ArgumentTraits<ArgType>::Type == ArgumentType::InCopyHandle) {
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std::get<ArgIndex>(args) = ctx.GetObjectFromHandle<typename ArgType::Type>(ctx.GetCopyHandle(HandleIndex)).GetPointerUnsafe();
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return ReadInArgument<MethodArguments, CallArguments, PrevAlign, DataOffset, HandleIndex + 1, InBufferIndex, OutBufferIndex, RawDataFinished, ArgIndex + 1>(is_domain, args, raw_data, ctx, temp);
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} else if constexpr (ArgumentTraits<ArgType>::Type == ArgumentType::InLargeData) {
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constexpr size_t BufferSize = sizeof(ArgType);
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// Clear the existing data.
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std::memset(&std::get<ArgIndex>(args), 0, BufferSize);
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std::span<const u8> buffer{};
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ASSERT(ctx.CanReadBuffer(InBufferIndex));
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if constexpr (ArgType::Attr & BufferAttr_HipcAutoSelect) {
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buffer = ctx.ReadBuffer(InBufferIndex);
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} else if constexpr (ArgType::Attr & BufferAttr_HipcMapAlias) {
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buffer = ctx.ReadBufferA(InBufferIndex);
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} else /* if (ArgType::Attr & BufferAttr_HipcPointer) */ {
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buffer = ctx.ReadBufferX(InBufferIndex);
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}
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std::memcpy(&std::get<ArgIndex>(args), buffer.data(), std::min(BufferSize, buffer.size()));
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return ReadInArgument<MethodArguments, CallArguments, PrevAlign, DataOffset, HandleIndex, InBufferIndex + 1, OutBufferIndex, RawDataFinished, ArgIndex + 1>(is_domain, args, raw_data, ctx, temp);
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} else if constexpr (ArgumentTraits<ArgType>::Type == ArgumentType::InBuffer) {
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using ElementType = typename ArgType::Type;
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std::span<const u8> buffer{};
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if (ctx.CanReadBuffer(InBufferIndex)) {
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if constexpr (ArgType::Attr & BufferAttr_HipcAutoSelect) {
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buffer = ctx.ReadBuffer(InBufferIndex);
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} else if constexpr (ArgType::Attr & BufferAttr_HipcMapAlias) {
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buffer = ctx.ReadBufferA(InBufferIndex);
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} else /* if (ArgType::Attr & BufferAttr_HipcPointer) */ {
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buffer = ctx.ReadBufferX(InBufferIndex);
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}
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}
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ElementType* ptr = (ElementType*) buffer.data();
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size_t size = buffer.size() / sizeof(ElementType);
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std::get<ArgIndex>(args) = std::span(ptr, size);
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return ReadInArgument<MethodArguments, CallArguments, PrevAlign, DataOffset, HandleIndex, InBufferIndex + 1, OutBufferIndex, RawDataFinished, ArgIndex + 1>(is_domain, args, raw_data, ctx, temp);
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} else if constexpr (ArgumentTraits<ArgType>::Type == ArgumentType::OutLargeData) {
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constexpr size_t BufferSize = sizeof(ArgType);
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// Clear the existing data.
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std::memset(&std::get<ArgIndex>(args), 0, BufferSize);
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return ReadInArgument<MethodArguments, CallArguments, PrevAlign, DataOffset, HandleIndex, InBufferIndex, OutBufferIndex + 1, RawDataFinished, ArgIndex + 1>(is_domain, args, raw_data, ctx, temp);
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} else if constexpr (ArgumentTraits<ArgType>::Type == ArgumentType::OutBuffer) {
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using ElementType = typename ArgType::Type;
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// Set up scratch buffer.
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auto& buffer = temp[OutBufferIndex];
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if (ctx.CanWriteBuffer(OutBufferIndex)) {
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buffer.resize_destructive(ctx.GetWriteBufferSize(OutBufferIndex));
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} else {
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buffer.resize_destructive(0);
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}
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ElementType* ptr = (ElementType*) buffer.data();
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size_t size = buffer.size() / sizeof(ElementType);
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std::get<ArgIndex>(args) = std::span(ptr, size);
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return ReadInArgument<MethodArguments, CallArguments, PrevAlign, DataOffset, HandleIndex, InBufferIndex, OutBufferIndex + 1, RawDataFinished, ArgIndex + 1>(is_domain, args, raw_data, ctx, temp);
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} else {
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return ReadInArgument<MethodArguments, CallArguments, PrevAlign, DataOffset, HandleIndex, InBufferIndex, OutBufferIndex, RawDataFinished, ArgIndex + 1>(is_domain, args, raw_data, ctx, temp);
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}
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}
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}
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template <typename MethodArguments, typename CallArguments, size_t PrevAlign = 1, size_t DataOffset = 0, size_t OutBufferIndex = 0, bool RawDataFinished = false, size_t ArgIndex = 0>
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void WriteOutArgument(bool is_domain, CallArguments& args, u8* raw_data, HLERequestContext& ctx, OutTemporaryBuffers& temp) {
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if constexpr (ArgIndex >= std::tuple_size_v<CallArguments>) {
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return;
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} else {
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using ArgType = std::tuple_element_t<ArgIndex, MethodArguments>;
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if constexpr (ArgumentTraits<ArgType>::Type == ArgumentType::OutData) {
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constexpr size_t ArgAlign = alignof(ArgType);
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constexpr size_t ArgSize = sizeof(ArgType);
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static_assert(PrevAlign <= ArgAlign, "Output argument is not ordered by alignment");
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static_assert(!RawDataFinished, "All output interface arguments must appear after raw data");
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constexpr size_t ArgOffset = Common::AlignUp(DataOffset, ArgAlign);
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constexpr size_t ArgEnd = ArgOffset + ArgSize;
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std::memcpy(raw_data + ArgOffset, &std::get<ArgIndex>(args), ArgSize);
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return WriteOutArgument<MethodArguments, CallArguments, ArgAlign, ArgEnd, OutBufferIndex, false, ArgIndex + 1>(is_domain, args, raw_data, ctx, temp);
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} else if constexpr (ArgumentTraits<ArgType>::Type == ArgumentType::OutInterface) {
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if (is_domain) {
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ctx.AddDomainObject(std::get<ArgIndex>(args));
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} else {
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ctx.AddMoveInterface(std::get<ArgIndex>(args));
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}
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return WriteOutArgument<MethodArguments, CallArguments, PrevAlign, DataOffset, OutBufferIndex, true, ArgIndex + 1>(is_domain, args, raw_data, ctx, temp);
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} else if constexpr (ArgumentTraits<ArgType>::Type == ArgumentType::OutCopyHandle) {
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ctx.AddCopyObject(std::get<ArgIndex>(args));
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return WriteOutArgument<MethodArguments, CallArguments, PrevAlign, DataOffset, OutBufferIndex, RawDataFinished, ArgIndex + 1>(is_domain, args, raw_data, ctx, temp);
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} else if constexpr (ArgumentTraits<ArgType>::Type == ArgumentType::OutMoveHandle) {
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ctx.AddMoveObject(std::get<ArgIndex>(args));
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return WriteOutArgument<MethodArguments, CallArguments, PrevAlign, DataOffset, OutBufferIndex, RawDataFinished, ArgIndex + 1>(is_domain, args, raw_data, ctx, temp);
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} else if constexpr (ArgumentTraits<ArgType>::Type == ArgumentType::OutLargeData) {
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constexpr size_t BufferSize = sizeof(ArgType);
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ASSERT(ctx.CanWriteBuffer(OutBufferIndex));
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if constexpr (ArgType::Attr & BufferAttr_HipcAutoSelect) {
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ctx.WriteBuffer(std::get<ArgIndex>(args), OutBufferIndex);
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} else if constexpr (ArgType::Attr & BufferAttr_HipcMapAlias) {
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ctx.WriteBufferB(&std::get<ArgIndex>(args), BufferSize, OutBufferIndex);
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} else /* if (ArgType::Attr & BufferAttr_HipcPointer) */ {
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ctx.WriteBufferC(&std::get<ArgIndex>(args), BufferSize, OutBufferIndex);
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}
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return WriteOutArgument<MethodArguments, CallArguments, PrevAlign, DataOffset, OutBufferIndex + 1, RawDataFinished, ArgIndex + 1>(is_domain, args, raw_data, ctx, temp);
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} else if constexpr (ArgumentTraits<ArgType>::Type == ArgumentType::OutBuffer) {
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auto& buffer = temp[OutBufferIndex];
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const size_t size = buffer.size();
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if (ctx.CanWriteBuffer(OutBufferIndex)) {
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if constexpr (ArgType::Attr & BufferAttr_HipcAutoSelect) {
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ctx.WriteBuffer(buffer.data(), size, OutBufferIndex);
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} else if constexpr (ArgType::Attr & BufferAttr_HipcMapAlias) {
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ctx.WriteBufferB(buffer.data(), size, OutBufferIndex);
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} else /* if (ArgType::Attr & BufferAttr_HipcPointer) */ {
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ctx.WriteBufferC(buffer.data(), size, OutBufferIndex);
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}
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}
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return WriteOutArgument<MethodArguments, CallArguments, PrevAlign, DataOffset, OutBufferIndex + 1, RawDataFinished, ArgIndex + 1>(is_domain, args, raw_data, ctx, temp);
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} else {
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return WriteOutArgument<MethodArguments, CallArguments, PrevAlign, DataOffset, OutBufferIndex, RawDataFinished, ArgIndex + 1>(is_domain, args, raw_data, ctx, temp);
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}
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}
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}
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template <bool Domain, typename T, typename... A>
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void CmifReplyWrapImpl(HLERequestContext& ctx, T& t, Result (T::*f)(A...)) {
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// Verify domain state.
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if constexpr (!Domain) {
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ASSERT_MSG(!ctx.GetManager()->IsDomain(), "Non-domain reply used on domain session");
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}
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const bool is_domain = Domain ? ctx.GetManager()->IsDomain() : false;
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using MethodArguments = std::tuple<std::remove_reference_t<A>...>;
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OutTemporaryBuffers buffers{};
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auto call_arguments = std::tuple<typename RemoveOut<A>::Type...>();
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// Read inputs.
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const size_t offset_plus_command_id = ctx.GetDataPayloadOffset() + 2;
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ReadInArgument<MethodArguments>(is_domain, call_arguments, reinterpret_cast<u8*>(ctx.CommandBuffer() + offset_plus_command_id), ctx, buffers);
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// Call.
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const auto Callable = [&]<typename... CallArgs>(CallArgs&... args) {
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return (t.*f)(args...);
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};
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const Result res = std::apply(Callable, call_arguments);
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// Write result.
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const RequestLayout layout = GetReplyOutLayout<MethodArguments>(is_domain);
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IPC::ResponseBuilder rb{ctx, 2 + Common::DivCeil(layout.cmif_raw_data_size, sizeof(u32)), layout.copy_handle_count, layout.move_handle_count + layout.domain_interface_count};
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rb.Push(res);
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// Write out arguments.
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WriteOutArgument<MethodArguments>(is_domain, call_arguments, reinterpret_cast<u8*>(ctx.CommandBuffer() + rb.GetCurrentOffset()), ctx, buffers);
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}
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// clang-format on
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template <typename Self>
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template <bool Domain, auto F>
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inline void ServiceFramework<Self>::CmifReplyWrap(HLERequestContext& ctx) {
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return CmifReplyWrapImpl<Domain>(ctx, *static_cast<Self*>(this), F);
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}
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} // namespace Service
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