From da7e9553dea4b1eaefb71aca8642ccce7c7f50fb Mon Sep 17 00:00:00 2001 From: bunnei Date: Sat, 3 Apr 2021 19:11:46 -0700 Subject: hle: kernel: Migrate more of KThread to KAutoObject. --- src/core/hle/kernel/k_class_token.h | 131 ++++++++++++++++++++++++++++++++++++ 1 file changed, 131 insertions(+) create mode 100644 src/core/hle/kernel/k_class_token.h (limited to 'src/core/hle/kernel/k_class_token.h') diff --git a/src/core/hle/kernel/k_class_token.h b/src/core/hle/kernel/k_class_token.h new file mode 100644 index 000000000..89b80a341 --- /dev/null +++ b/src/core/hle/kernel/k_class_token.h @@ -0,0 +1,131 @@ +// Copyright 2021 yuzu Emulator Project +// Licensed under GPLv2 or any later version +// Refer to the license.txt file included. + +#pragma once + +#include + +#include "common/assert.h" +#include "common/bit_util.h" +#include "common/common_types.h" + +namespace Kernel { + +class KAutoObject; + +class KClassTokenGenerator { +public: + using TokenBaseType = u16; + +public: + static constexpr size_t BaseClassBits = 8; + static constexpr size_t FinalClassBits = (sizeof(TokenBaseType) * CHAR_BIT) - BaseClassBits; + // One bit per base class. + static constexpr size_t NumBaseClasses = BaseClassBits; + // Final classes are permutations of three bits. + static constexpr size_t NumFinalClasses = [] { + TokenBaseType index = 0; + for (size_t i = 0; i < FinalClassBits; i++) { + for (size_t j = i + 1; j < FinalClassBits; j++) { + for (size_t k = j + 1; k < FinalClassBits; k++) { + index++; + } + } + } + return index; + }(); + +private: + template + static constexpr inline TokenBaseType BaseClassToken = BIT(Index); + + template + static constexpr inline TokenBaseType FinalClassToken = [] { + TokenBaseType index = 0; + for (size_t i = 0; i < FinalClassBits; i++) { + for (size_t j = i + 1; j < FinalClassBits; j++) { + for (size_t k = j + 1; k < FinalClassBits; k++) { + if ((index++) == Index) { + return static_cast(((1ULL << i) | (1ULL << j) | (1ULL << k)) + << BaseClassBits); + } + } + } + } + }(); + + template + static constexpr inline TokenBaseType GetClassToken() { + static_assert(std::is_base_of::value); + if constexpr (std::is_same::value) { + static_assert(T::ObjectType == ObjectType::KAutoObject); + return 0; + } else if constexpr (!std::is_final::value) { + static_assert(ObjectType::BaseClassesStart <= T::ObjectType && + T::ObjectType < ObjectType::BaseClassesEnd); + constexpr auto ClassIndex = static_cast(T::ObjectType) - + static_cast(ObjectType::BaseClassesStart); + return BaseClassToken | GetClassToken(); + } else if constexpr (ObjectType::FinalClassesStart <= T::ObjectType && + T::ObjectType < ObjectType::FinalClassesEnd) { + constexpr auto ClassIndex = static_cast(T::ObjectType) - + static_cast(ObjectType::FinalClassesStart); + return FinalClassToken | GetClassToken(); + } else { + static_assert(!std::is_same::value, "GetClassToken: Invalid Type"); + } + }; + +public: + enum class ObjectType { + KAutoObject, + + BaseClassesStart, + + KSynchronizationObject = BaseClassesStart, + KReadableEvent, + + BaseClassesEnd, + + FinalClassesStart = BaseClassesEnd, + + KInterruptEvent = FinalClassesStart, + KDebug, + KThread, + KServerPort, + KServerSession, + KClientPort, + KClientSession, + Process, + KResourceLimit, + KLightSession, + KPort, + KSession, + KSharedMemory, + KEvent, + KWritableEvent, + KLightClientSession, + KLightServerSession, + KTransferMemory, + KDeviceAddressSpace, + KSessionRequest, + KCodeMemory, + + // NOTE: True order for these has not been determined yet. + KAlpha, + KBeta, + + FinalClassesEnd = FinalClassesStart + NumFinalClasses, + }; + + template + static constexpr inline TokenBaseType ClassToken = GetClassToken(); +}; + +using ClassTokenType = KClassTokenGenerator::TokenBaseType; + +template +static constexpr inline ClassTokenType ClassToken = KClassTokenGenerator::ClassToken; + +} // namespace Kernel -- cgit v1.2.3 From 2a7eff57a8048933a89c1a8f8d6dced7b5d604f2 Mon Sep 17 00:00:00 2001 From: bunnei Date: Fri, 23 Apr 2021 22:04:28 -0700 Subject: hle: kernel: Rename Process to KProcess. --- src/core/hle/kernel/k_class_token.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'src/core/hle/kernel/k_class_token.h') diff --git a/src/core/hle/kernel/k_class_token.h b/src/core/hle/kernel/k_class_token.h index 89b80a341..fb4307cd0 100644 --- a/src/core/hle/kernel/k_class_token.h +++ b/src/core/hle/kernel/k_class_token.h @@ -97,7 +97,7 @@ public: KServerSession, KClientPort, KClientSession, - Process, + KProcess, KResourceLimit, KLightSession, KPort, -- cgit v1.2.3 From 2c4615f3a65c10ae50e1c6bc2e389b0f5f14e3fa Mon Sep 17 00:00:00 2001 From: bunnei Date: Tue, 4 May 2021 20:55:13 -0700 Subject: fixup! hle: kernel: Migrate more of KThread to KAutoObject. --- src/core/hle/kernel/k_class_token.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'src/core/hle/kernel/k_class_token.h') diff --git a/src/core/hle/kernel/k_class_token.h b/src/core/hle/kernel/k_class_token.h index fb4307cd0..c28db49ec 100644 --- a/src/core/hle/kernel/k_class_token.h +++ b/src/core/hle/kernel/k_class_token.h @@ -38,7 +38,7 @@ public: private: template - static constexpr inline TokenBaseType BaseClassToken = BIT(Index); + static constexpr inline TokenBaseType BaseClassToken = 1U << Index; template static constexpr inline TokenBaseType FinalClassToken = [] { -- cgit v1.2.3