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https://github.com/yuzu-emu/yuzu.git
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181 lines
4.8 KiB
C++
181 lines
4.8 KiB
C++
// Copyright 2016 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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#pragma once
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#include "common/bit_field.h"
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#include "common/common_funcs.h"
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#include "common/common_types.h"
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#include "common/swap.h"
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namespace IPC {
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/// Size of the command buffer area, in 32-bit words.
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constexpr std::size_t COMMAND_BUFFER_LENGTH = 0x100 / sizeof(u32);
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enum class ControlCommand : u32 {
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ConvertSessionToDomain = 0,
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ConvertDomainToSession = 1,
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DuplicateSession = 2,
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QueryPointerBufferSize = 3,
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DuplicateSessionEx = 4,
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Unspecified,
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};
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enum class CommandType : u32 {
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Invalid = 0,
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LegacyRequest = 1,
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Close = 2,
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LegacyControl = 3,
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Request = 4,
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Control = 5,
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RequestWithContext = 6,
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ControlWithContext = 7,
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Unspecified,
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};
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struct CommandHeader {
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union {
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u32_le raw_low;
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BitField<0, 16, CommandType> type;
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BitField<16, 4, u32> num_buf_x_descriptors;
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BitField<20, 4, u32> num_buf_a_descriptors;
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BitField<24, 4, u32> num_buf_b_descriptors;
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BitField<28, 4, u32> num_buf_w_descriptors;
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};
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enum class BufferDescriptorCFlag : u32 {
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Disabled = 0,
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InlineDescriptor = 1,
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OneDescriptor = 2,
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};
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union {
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u32_le raw_high;
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BitField<0, 10, u32> data_size;
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BitField<10, 4, BufferDescriptorCFlag> buf_c_descriptor_flags;
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BitField<31, 1, u32> enable_handle_descriptor;
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};
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};
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static_assert(sizeof(CommandHeader) == 8, "CommandHeader size is incorrect");
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union HandleDescriptorHeader {
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u32_le raw_high;
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BitField<0, 1, u32> send_current_pid;
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BitField<1, 4, u32> num_handles_to_copy;
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BitField<5, 4, u32> num_handles_to_move;
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};
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static_assert(sizeof(HandleDescriptorHeader) == 4, "HandleDescriptorHeader size is incorrect");
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struct BufferDescriptorX {
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union {
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BitField<0, 6, u32> counter_bits_0_5;
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BitField<6, 3, u32> address_bits_36_38;
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BitField<9, 3, u32> counter_bits_9_11;
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BitField<12, 4, u32> address_bits_32_35;
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BitField<16, 16, u32> size;
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};
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u32_le address_bits_0_31;
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u32_le Counter() const {
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u32_le counter{counter_bits_0_5};
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counter |= counter_bits_9_11 << 9;
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return counter;
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}
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VAddr Address() const {
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VAddr address{address_bits_0_31};
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address |= static_cast<VAddr>(address_bits_32_35) << 32;
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address |= static_cast<VAddr>(address_bits_36_38) << 36;
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return address;
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}
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u64 Size() const {
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return static_cast<u64>(size);
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}
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};
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static_assert(sizeof(BufferDescriptorX) == 8, "BufferDescriptorX size is incorrect");
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struct BufferDescriptorABW {
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u32_le size_bits_0_31;
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u32_le address_bits_0_31;
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union {
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BitField<0, 2, u32> flags;
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BitField<2, 3, u32> address_bits_36_38;
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BitField<24, 4, u32> size_bits_32_35;
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BitField<28, 4, u32> address_bits_32_35;
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};
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VAddr Address() const {
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VAddr address{address_bits_0_31};
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address |= static_cast<VAddr>(address_bits_32_35) << 32;
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address |= static_cast<VAddr>(address_bits_36_38) << 36;
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return address;
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}
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u64 Size() const {
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u64 size{size_bits_0_31};
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size |= static_cast<u64>(size_bits_32_35) << 32;
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return size;
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}
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};
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static_assert(sizeof(BufferDescriptorABW) == 12, "BufferDescriptorABW size is incorrect");
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struct BufferDescriptorC {
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u32_le address_bits_0_31;
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union {
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BitField<0, 16, u32> address_bits_32_47;
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BitField<16, 16, u32> size;
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};
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VAddr Address() const {
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VAddr address{address_bits_0_31};
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address |= static_cast<VAddr>(address_bits_32_47) << 32;
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return address;
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}
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u64 Size() const {
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return static_cast<u64>(size);
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}
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};
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static_assert(sizeof(BufferDescriptorC) == 8, "BufferDescriptorC size is incorrect");
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struct DataPayloadHeader {
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u32_le magic;
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INSERT_PADDING_WORDS(1);
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};
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static_assert(sizeof(DataPayloadHeader) == 8, "DataPayloadHeader size is incorrect");
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struct DomainMessageHeader {
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enum class CommandType : u32_le {
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SendMessage = 1,
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CloseVirtualHandle = 2,
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};
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union {
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// Used when responding to an IPC request, Server -> Client.
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struct {
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u32_le num_objects;
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INSERT_PADDING_WORDS(3);
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};
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// Used when performing an IPC request, Client -> Server.
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struct {
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union {
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BitField<0, 8, CommandType> command;
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BitField<8, 8, u32> input_object_count;
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BitField<16, 16, u32> size;
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};
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u32_le object_id;
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INSERT_PADDING_WORDS(2);
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};
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};
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};
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static_assert(sizeof(DomainMessageHeader) == 16, "DomainMessageHeader size is incorrect");
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} // namespace IPC
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