mirror of
https://git.suyu.dev/suyu/suyu.git
synced 2024-11-18 04:42:45 +01:00
59575d5cae
* Stub PopLaunchParameter and implement Buffer C Descriptors reading * Address PR feedback * Ensure we push a u64 not a size_t * Fix formatting
338 lines
9.4 KiB
C++
338 lines
9.4 KiB
C++
// Copyright 2016 Citra Emulator Project
|
|
// Licensed under GPLv2 or any later version
|
|
// Refer to the license.txt file included.
|
|
|
|
#pragma once
|
|
|
|
#include <array>
|
|
#include <tuple>
|
|
#include <type_traits>
|
|
#include <utility>
|
|
#include "core/hle/ipc.h"
|
|
#include "core/hle/kernel/client_port.h"
|
|
#include "core/hle/kernel/client_session.h"
|
|
#include "core/hle/kernel/domain.h"
|
|
#include "core/hle/kernel/handle_table.h"
|
|
#include "core/hle/kernel/hle_ipc.h"
|
|
#include "core/hle/kernel/kernel.h"
|
|
#include "core/hle/kernel/server_port.h"
|
|
|
|
namespace IPC {
|
|
|
|
class RequestHelperBase {
|
|
protected:
|
|
Kernel::HLERequestContext* context = nullptr;
|
|
u32* cmdbuf;
|
|
ptrdiff_t index = 0;
|
|
|
|
public:
|
|
RequestHelperBase(u32* command_buffer) : cmdbuf(command_buffer) {}
|
|
|
|
RequestHelperBase(Kernel::HLERequestContext& context)
|
|
: context(&context), cmdbuf(context.CommandBuffer()) {}
|
|
|
|
void ValidateHeader() {
|
|
// DEBUG_ASSERT_MSG(index == TotalSize(), "Operations do not match the header (cmd 0x%x)",
|
|
// header.raw);
|
|
}
|
|
|
|
void Skip(unsigned size_in_words, bool set_to_null) {
|
|
if (set_to_null)
|
|
memset(cmdbuf + index, 0, size_in_words * sizeof(u32));
|
|
index += size_in_words;
|
|
}
|
|
|
|
/**
|
|
* Aligns the current position forward to a 16-byte boundary, padding with zeros.
|
|
*/
|
|
void AlignWithPadding() {
|
|
if (index & 3) {
|
|
Skip(4 - (index & 3), true);
|
|
}
|
|
}
|
|
|
|
unsigned GetCurrentOffset() const {
|
|
return static_cast<unsigned>(index);
|
|
}
|
|
|
|
void SetCurrentOffset(unsigned offset) {
|
|
index = static_cast<ptrdiff_t>(offset);
|
|
}
|
|
};
|
|
|
|
class RequestBuilder : public RequestHelperBase {
|
|
public:
|
|
RequestBuilder(u32* command_buffer) : RequestHelperBase(command_buffer) {}
|
|
|
|
RequestBuilder(Kernel::HLERequestContext& context, unsigned normal_params_size,
|
|
u32 num_handles_to_copy = 0, u32 num_handles_to_move = 0,
|
|
u32 num_domain_objects = 0)
|
|
: RequestHelperBase(context) {
|
|
memset(cmdbuf, 0, sizeof(u32) * IPC::COMMAND_BUFFER_LENGTH);
|
|
|
|
context.ClearIncomingObjects();
|
|
|
|
IPC::CommandHeader header{};
|
|
|
|
// The entire size of the raw data section in u32 units, including the 16 bytes of mandatory
|
|
// padding.
|
|
u32 raw_data_size = sizeof(IPC::DataPayloadHeader) / 4 + 4 + normal_params_size;
|
|
if (context.IsDomain()) {
|
|
raw_data_size += sizeof(DomainMessageHeader) / 4 + num_domain_objects;
|
|
} else {
|
|
// If we're not in a domain, turn the domain object parameters into move handles.
|
|
num_handles_to_move += num_domain_objects;
|
|
num_domain_objects = 0;
|
|
}
|
|
|
|
header.data_size.Assign(raw_data_size);
|
|
if (num_handles_to_copy || num_handles_to_move) {
|
|
header.enable_handle_descriptor.Assign(1);
|
|
}
|
|
PushRaw(header);
|
|
|
|
if (header.enable_handle_descriptor) {
|
|
IPC::HandleDescriptorHeader handle_descriptor_header{};
|
|
handle_descriptor_header.num_handles_to_copy.Assign(num_handles_to_copy);
|
|
handle_descriptor_header.num_handles_to_move.Assign(num_handles_to_move);
|
|
PushRaw(handle_descriptor_header);
|
|
Skip(num_handles_to_copy + num_handles_to_move, true);
|
|
}
|
|
|
|
AlignWithPadding();
|
|
|
|
if (context.IsDomain()) {
|
|
IPC::DomainMessageHeader domain_header{};
|
|
domain_header.num_objects = num_domain_objects;
|
|
PushRaw(domain_header);
|
|
}
|
|
|
|
IPC::DataPayloadHeader data_payload_header{};
|
|
data_payload_header.magic = Common::MakeMagic('S', 'F', 'C', 'O');
|
|
PushRaw(data_payload_header);
|
|
}
|
|
|
|
template <class T, class... Args>
|
|
void PushIpcInterface(Args&&... args) {
|
|
auto iface = std::make_shared<T>(std::forward<Args>(args)...);
|
|
if (context->IsDomain()) {
|
|
context->AddDomainObject(std::move(iface));
|
|
} else {
|
|
auto port = iface->CreatePort();
|
|
auto session = port->Connect();
|
|
ASSERT(session.Succeeded());
|
|
context->AddMoveObject(std::move(session).Unwrap());
|
|
}
|
|
}
|
|
|
|
// Validate on destruction, as there shouldn't be any case where we don't want it
|
|
~RequestBuilder() {
|
|
ValidateHeader();
|
|
}
|
|
|
|
template <typename T>
|
|
void Push(T value);
|
|
|
|
template <typename First, typename... Other>
|
|
void Push(const First& first_value, const Other&... other_values);
|
|
|
|
/**
|
|
* @brief Copies the content of the given trivially copyable class to the buffer as a normal
|
|
* param
|
|
* @note: The input class must be correctly packed/padded to fit hardware layout.
|
|
*/
|
|
template <typename T>
|
|
void PushRaw(const T& value);
|
|
|
|
template <typename... O>
|
|
void PushMoveObjects(Kernel::SharedPtr<O>... pointers);
|
|
|
|
template <typename... O>
|
|
void PushCopyObjects(Kernel::SharedPtr<O>... pointers);
|
|
};
|
|
|
|
/// Push ///
|
|
|
|
template <>
|
|
inline void RequestBuilder::Push(u32 value) {
|
|
cmdbuf[index++] = value;
|
|
}
|
|
|
|
template <typename T>
|
|
void RequestBuilder::PushRaw(const T& value) {
|
|
std::memcpy(cmdbuf + index, &value, sizeof(T));
|
|
index += (sizeof(T) + 3) / 4; // round up to word length
|
|
}
|
|
|
|
template <>
|
|
inline void RequestBuilder::Push(ResultCode value) {
|
|
// Result codes are actually 64-bit in the IPC buffer, but only the high part is discarded.
|
|
Push(value.raw);
|
|
Push<u32>(0);
|
|
}
|
|
|
|
template <>
|
|
inline void RequestBuilder::Push(u8 value) {
|
|
PushRaw(value);
|
|
}
|
|
|
|
template <>
|
|
inline void RequestBuilder::Push(u16 value) {
|
|
PushRaw(value);
|
|
}
|
|
|
|
template <>
|
|
inline void RequestBuilder::Push(u64 value) {
|
|
Push(static_cast<u32>(value));
|
|
Push(static_cast<u32>(value >> 32));
|
|
}
|
|
|
|
template <>
|
|
inline void RequestBuilder::Push(bool value) {
|
|
Push(static_cast<u8>(value));
|
|
}
|
|
|
|
template <typename First, typename... Other>
|
|
void RequestBuilder::Push(const First& first_value, const Other&... other_values) {
|
|
Push(first_value);
|
|
Push(other_values...);
|
|
}
|
|
|
|
template <typename... O>
|
|
inline void RequestBuilder::PushCopyObjects(Kernel::SharedPtr<O>... pointers) {
|
|
auto objects = {pointers...};
|
|
for (auto& object : objects) {
|
|
context->AddCopyObject(std::move(object));
|
|
}
|
|
}
|
|
|
|
template <typename... O>
|
|
inline void RequestBuilder::PushMoveObjects(Kernel::SharedPtr<O>... pointers) {
|
|
auto objects = {pointers...};
|
|
for (auto& object : objects) {
|
|
context->AddMoveObject(std::move(object));
|
|
}
|
|
}
|
|
|
|
class RequestParser : public RequestHelperBase {
|
|
public:
|
|
RequestParser(u32* command_buffer) : RequestHelperBase(command_buffer) {}
|
|
|
|
RequestParser(Kernel::HLERequestContext& context) : RequestHelperBase(context) {
|
|
ASSERT_MSG(context.GetDataPayloadOffset(), "context is incomplete");
|
|
Skip(context.GetDataPayloadOffset(), false);
|
|
// Skip the u64 command id, it's already stored in the context
|
|
static constexpr u32 CommandIdSize = 2;
|
|
Skip(CommandIdSize, false);
|
|
}
|
|
|
|
RequestBuilder MakeBuilder(u32 normal_params_size, u32 num_handles_to_copy,
|
|
u32 num_handles_to_move, u32 num_domain_objects,
|
|
bool validate_header = true) {
|
|
if (validate_header) {
|
|
ValidateHeader();
|
|
}
|
|
|
|
return {*context, normal_params_size, num_handles_to_copy, num_handles_to_move,
|
|
num_domain_objects};
|
|
}
|
|
|
|
template <typename T>
|
|
T Pop();
|
|
|
|
template <typename T>
|
|
void Pop(T& value);
|
|
|
|
template <typename First, typename... Other>
|
|
void Pop(First& first_value, Other&... other_values);
|
|
|
|
/**
|
|
* @brief Reads the next normal parameters as a struct, by copying it
|
|
* @note: The output class must be correctly packed/padded to fit hardware layout.
|
|
*/
|
|
template <typename T>
|
|
void PopRaw(T& value);
|
|
|
|
/**
|
|
* @brief Reads the next normal parameters as a struct, by copying it into a new value
|
|
* @note: The output class must be correctly packed/padded to fit hardware layout.
|
|
*/
|
|
template <typename T>
|
|
T PopRaw();
|
|
|
|
template <typename T>
|
|
Kernel::SharedPtr<T> GetMoveObject(size_t index);
|
|
|
|
template <typename T>
|
|
Kernel::SharedPtr<T> GetCopyObject(size_t index);
|
|
};
|
|
|
|
/// Pop ///
|
|
|
|
template <>
|
|
inline u32 RequestParser::Pop() {
|
|
return cmdbuf[index++];
|
|
}
|
|
|
|
template <typename T>
|
|
void RequestParser::PopRaw(T& value) {
|
|
std::memcpy(&value, cmdbuf + index, sizeof(T));
|
|
index += (sizeof(T) + 3) / 4; // round up to word length
|
|
}
|
|
|
|
template <typename T>
|
|
T RequestParser::PopRaw() {
|
|
T value;
|
|
PopRaw(value);
|
|
return value;
|
|
}
|
|
|
|
template <>
|
|
inline u8 RequestParser::Pop() {
|
|
return PopRaw<u8>();
|
|
}
|
|
|
|
template <>
|
|
inline u16 RequestParser::Pop() {
|
|
return PopRaw<u16>();
|
|
}
|
|
|
|
template <>
|
|
inline u64 RequestParser::Pop() {
|
|
const u64 lsw = Pop<u32>();
|
|
const u64 msw = Pop<u32>();
|
|
return msw << 32 | lsw;
|
|
}
|
|
|
|
template <>
|
|
inline bool RequestParser::Pop() {
|
|
return Pop<u8>() != 0;
|
|
}
|
|
|
|
template <>
|
|
inline ResultCode RequestParser::Pop() {
|
|
return ResultCode{Pop<u32>()};
|
|
}
|
|
|
|
template <typename T>
|
|
void RequestParser::Pop(T& value) {
|
|
value = Pop<T>();
|
|
}
|
|
|
|
template <typename First, typename... Other>
|
|
void RequestParser::Pop(First& first_value, Other&... other_values) {
|
|
first_value = Pop<First>();
|
|
Pop(other_values...);
|
|
}
|
|
|
|
template <typename T>
|
|
Kernel::SharedPtr<T> RequestParser::GetMoveObject(size_t index) {
|
|
return context->GetMoveObject<T>(index);
|
|
}
|
|
|
|
template <typename T>
|
|
Kernel::SharedPtr<T> RequestParser::GetCopyObject(size_t index) {
|
|
return context->GetCopyObject<T>(index);
|
|
}
|
|
|
|
} // namespace IPC
|