From 431df5ae931b1b0229bdabd5855ee148a3baf001 Mon Sep 17 00:00:00 2001
From: Liam <byteslice@airmail.cc>
Date: Thu, 25 Jan 2024 21:12:44 -0500
Subject: [PATCH] cmif_types: improve ergonomics of types
---
src/core/hle/service/cmif_serialization.h | 6 +-
src/core/hle/service/cmif_types.h | 112 +++++++++++++++++-----
src/core/hle/service/jit/jit.cpp | 14 +--
src/core/hle/service/ro/ro.cpp | 3 +-
4 files changed, 97 insertions(+), 38 deletions(-)
diff --git a/src/core/hle/service/cmif_serialization.h b/src/core/hle/service/cmif_serialization.h
index 8e8cf2507e..84b736155b 100644
--- a/src/core/hle/service/cmif_serialization.h
+++ b/src/core/hle/service/cmif_serialization.h
@@ -150,7 +150,7 @@ void ReadInArgument(CallArguments& args, const u8* raw_data, HLERequestContext&
return ReadInArgument<Domain, MethodArguments, CallArguments, ArgAlign, ArgEnd, HandleIndex, InBufferIndex, OutBufferIndex, true, ArgIndex + 1>(args, raw_data, ctx, temp);
} else if constexpr (ArgumentTraits<ArgType>::Type == ArgumentType::InCopyHandle) {
- std::get<ArgIndex>(args) = std::move(ctx.GetObjectFromHandle<typename ArgType::Type>(ctx.GetCopyHandle(HandleIndex)));
+ std::get<ArgIndex>(args) = ctx.GetObjectFromHandle<typename ArgType::Type>(ctx.GetCopyHandle(HandleIndex)).GetPointerUnsafe();
return ReadInArgument<Domain, MethodArguments, CallArguments, PrevAlign, DataOffset, HandleIndex + 1, InBufferIndex, OutBufferIndex, RawDataFinished, ArgIndex + 1>(args, raw_data, ctx, temp);
} else if constexpr (ArgumentTraits<ArgType>::Type == ArgumentType::InLargeData) {
@@ -253,11 +253,11 @@ void WriteOutArgument(CallArguments& args, u8* raw_data, HLERequestContext& ctx,
return WriteOutArgument<Domain, MethodArguments, CallArguments, PrevAlign, DataOffset, OutBufferIndex, true, ArgIndex + 1>(args, raw_data, ctx, temp);
} else if constexpr (ArgumentTraits<ArgType>::Type == ArgumentType::OutCopyHandle) {
- ctx.AddCopyObject(std::get<ArgIndex>(args).GetPointerUnsafe());
+ ctx.AddCopyObject(std::get<ArgIndex>(args));
return WriteOutArgument<Domain, MethodArguments, CallArguments, PrevAlign, DataOffset, OutBufferIndex, RawDataFinished, ArgIndex + 1>(args, raw_data, ctx, temp);
} else if constexpr (ArgumentTraits<ArgType>::Type == ArgumentType::OutMoveHandle) {
- ctx.AddMoveObject(std::get<ArgIndex>(args).GetPointerUnsafe());
+ ctx.AddMoveObject(std::get<ArgIndex>(args));
return WriteOutArgument<Domain, MethodArguments, CallArguments, PrevAlign, DataOffset, OutBufferIndex, RawDataFinished, ArgIndex + 1>(args, raw_data, ctx, temp);
} else if constexpr (ArgumentTraits<ArgType>::Type == ArgumentType::OutLargeData) {
diff --git a/src/core/hle/service/cmif_types.h b/src/core/hle/service/cmif_types.h
index b80028c19d..2610c49f3d 100644
--- a/src/core/hle/service/cmif_types.h
+++ b/src/core/hle/service/cmif_types.h
@@ -15,19 +15,21 @@ namespace Service {
template <typename T>
class Out {
public:
- /* implicit */ Out(T& t) : raw(&t) {}
+ using Type = T;
+
+ /* implicit */ Out(Type& t) : raw(&t) {}
~Out() = default;
- T* Get() const {
+ Type* Get() const {
return raw;
}
- T& operator*() {
+ Type& operator*() {
return *raw;
}
private:
- T* raw;
+ Type* raw;
};
template <typename T>
@@ -45,51 +47,93 @@ struct ClientProcessId {
u64 pid;
};
+struct ProcessId {
+ explicit operator bool() const {
+ return pid != 0;
+ }
+
+ const u64& operator*() const {
+ return pid;
+ }
+
+ u64 pid;
+};
+
using ClientAppletResourceUserId = ClientProcessId;
+using AppletResourceUserId = ProcessId;
template <typename T>
-class InCopyHandle : public Kernel::KScopedAutoObject<T> {
+class InCopyHandle {
public:
using Type = T;
- template <typename... Args>
- /* implicit */ InCopyHandle(Args&&... args) : Kernel::KScopedAutoObject<T>(std::forward<Args...>(args)...) {}
+ /* implicit */ InCopyHandle(Type* t) : raw(t) {}
+ /* implicit */ InCopyHandle() : raw() {}
~InCopyHandle() = default;
- InCopyHandle& operator=(InCopyHandle&& rhs) {
- Kernel::KScopedAutoObject<T>::operator=(std::move(rhs));
+ InCopyHandle& operator=(Type* rhs) {
+ raw = rhs;
return *this;
}
+
+ Type* Get() const {
+ return raw;
+ }
+
+ Type& operator*() const {
+ return *raw;
+ }
+
+ Type* operator->() const {
+ return raw;
+ }
+
+ explicit operator bool() const {
+ return raw != nullptr;
+ }
+
+private:
+ Type* raw;
};
template <typename T>
-class OutCopyHandle : public Kernel::KScopedAutoObject<T> {
+class OutCopyHandle {
public:
- using Type = T;
+ using Type = T*;
- template <typename... Args>
- /* implicit */ OutCopyHandle(Args&&... args) : Kernel::KScopedAutoObject<T>(std::forward<Args...>(args)...) {}
+ /* implicit */ OutCopyHandle(Type& t) : raw(&t) {}
~OutCopyHandle() = default;
- OutCopyHandle& operator=(OutCopyHandle&& rhs) {
- Kernel::KScopedAutoObject<T>::operator=(std::move(rhs));
- return *this;
+ Type* Get() const {
+ return raw;
}
+
+ Type& operator*() {
+ return *raw;
+ }
+
+private:
+ Type* raw;
};
template <typename T>
-class OutMoveHandle : public Kernel::KScopedAutoObject<T> {
+class OutMoveHandle {
public:
- using Type = T;
+ using Type = T*;
- template <typename... Args>
- /* implicit */ OutMoveHandle(Args&&... args) : Kernel::KScopedAutoObject<T>(std::forward<Args...>(args)...) {}
+ /* implicit */ OutMoveHandle(Type& t) : raw(&t) {}
~OutMoveHandle() = default;
- OutMoveHandle& operator=(OutMoveHandle&& rhs) {
- Kernel::KScopedAutoObject<T>::operator=(std::move(rhs));
- return *this;
+ Type* Get() const {
+ return raw;
}
+
+ Type& operator*() {
+ return *raw;
+ }
+
+private:
+ Type* raw;
};
enum BufferAttr : int {
@@ -105,12 +149,15 @@ enum BufferAttr : int {
template <typename T, int A>
struct Buffer : public std::span<T> {
- static_assert(std::is_trivial_v<T>, "Buffer type must be trivial");
+ static_assert(std::is_trivially_copyable_v<T>, "Buffer type must be trivially copyable");
static_assert((A & BufferAttr_FixedSize) == 0, "Buffer attr must not contain FixedSize");
static_assert(((A & BufferAttr_In) == 0) ^ ((A & BufferAttr_Out) == 0), "Buffer attr must be In or Out");
static constexpr BufferAttr Attr = static_cast<BufferAttr>(A);
using Type = T;
+ /* implicit */ Buffer(const std::span<T>& rhs) : std::span<T>(rhs) {}
+ /* implicit */ Buffer() = default;
+
Buffer& operator=(const std::span<T>& rhs) {
std::span<T>::operator=(rhs);
return *this;
@@ -139,11 +186,14 @@ using OutArray = Buffer<T, BufferAttr_Out | A>;
template <typename T, int A>
struct LargeData : public T {
- static_assert(std::is_trivial_v<T>, "LargeData type must be trivial");
+ static_assert(std::is_trivially_copyable_v<T>, "LargeData type must be trivially copyable");
static_assert((A & BufferAttr_FixedSize) != 0, "LargeData attr must contain FixedSize");
static_assert(((A & BufferAttr_In) == 0) ^ ((A & BufferAttr_Out) == 0), "LargeData attr must be In or Out");
static constexpr BufferAttr Attr = static_cast<BufferAttr>(A);
using Type = T;
+
+ /* implicit */ LargeData(const T& rhs) : T(rhs) {}
+ /* implicit */ LargeData() = default;
};
template <typename T, BufferAttr A>
@@ -159,7 +209,17 @@ struct RemoveOut {
template <typename T>
struct RemoveOut<Out<T>> {
- using Type = T;
+ using Type = typename Out<T>::Type;
+};
+
+template <typename T>
+struct RemoveOut<OutCopyHandle<T>> {
+ using Type = typename OutCopyHandle<T>::Type;
+};
+
+template <typename T>
+struct RemoveOut<OutMoveHandle<T>> {
+ using Type = typename OutMoveHandle<T>::Type;
};
enum class ArgumentType {
diff --git a/src/core/hle/service/jit/jit.cpp b/src/core/hle/service/jit/jit.cpp
index d8fefff894..1f2cbcb61d 100644
--- a/src/core/hle/service/jit/jit.cpp
+++ b/src/core/hle/service/jit/jit.cpp
@@ -27,7 +27,7 @@ static_assert(sizeof(Struct32) == 32, "Struct32 has wrong size");
class IJitEnvironment final : public ServiceFramework<IJitEnvironment> {
public:
explicit IJitEnvironment(Core::System& system_,
- Kernel::KScopedAutoObject<Kernel::KProcess>&& process_,
+ Kernel::KScopedAutoObject<Kernel::KProcess> process_,
CodeMemory&& user_rx_, CodeMemory&& user_ro_)
: ServiceFramework{system_, "IJitEnvironment"}, process{std::move(process_)},
user_rx{std::move(user_rx_)}, user_ro{std::move(user_ro_)},
@@ -129,7 +129,7 @@ public:
Result LoadPlugin(u64 tmem_size, InCopyHandle<Kernel::KTransferMemory>& tmem,
InBuffer<BufferAttr_HipcMapAlias> nrr,
InBuffer<BufferAttr_HipcMapAlias> nro) {
- if (tmem.IsNull()) {
+ if (!tmem) {
LOG_ERROR(Service_JIT, "Invalid transfer memory handle!");
R_THROW(ResultUnknown);
}
@@ -271,15 +271,15 @@ private:
u64 rx_size, u64 ro_size, InCopyHandle<Kernel::KProcess>& process,
InCopyHandle<Kernel::KCodeMemory>& rx_mem,
InCopyHandle<Kernel::KCodeMemory>& ro_mem) {
- if (process.IsNull()) {
+ if (!process) {
LOG_ERROR(Service_JIT, "process is null");
R_THROW(ResultUnknown);
}
- if (rx_mem.IsNull()) {
+ if (!rx_mem) {
LOG_ERROR(Service_JIT, "rx_mem is null");
R_THROW(ResultUnknown);
}
- if (rx_mem.IsNull()) {
+ if (!ro_mem) {
LOG_ERROR(Service_JIT, "ro_mem is null");
R_THROW(ResultUnknown);
}
@@ -291,8 +291,8 @@ private:
R_TRY(ro.Initialize(*process, *ro_mem, ro_size, Kernel::Svc::MemoryPermission::Read,
generate_random));
- *out_jit_environment = std::make_shared<IJitEnvironment>(system, std::move(process),
- std::move(rx), std::move(ro));
+ *out_jit_environment =
+ std::make_shared<IJitEnvironment>(system, process.Get(), std::move(rx), std::move(ro));
R_SUCCEED();
}
diff --git a/src/core/hle/service/ro/ro.cpp b/src/core/hle/service/ro/ro.cpp
index ae62c430e7..51196170a7 100644
--- a/src/core/hle/service/ro/ro.cpp
+++ b/src/core/hle/service/ro/ro.cpp
@@ -551,8 +551,7 @@ public:
Result RegisterProcessHandle(ClientProcessId client_pid,
InCopyHandle<Kernel::KProcess>& process) {
// Register the process.
- R_RETURN(m_ro->RegisterProcess(std::addressof(m_context_id), process.GetPointerUnsafe(),
- *client_pid));
+ R_RETURN(m_ro->RegisterProcess(std::addressof(m_context_id), process.Get(), *client_pid));
}
Result RegisterProcessModuleInfo(ClientProcessId client_pid, u64 nrr_address, u64 nrr_size,