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kern: correct KClassToken generation

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This commit is contained in:
Michael Scire 2020-02-22 02:53:14 -08:00
parent d2a888d9e8
commit 5055bdb23e
2 changed files with 53 additions and 6 deletions
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13
libraries/libmesosphere/include/mesosphere/kern_k_class_token.hpp
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@ -64,10 +64,10 @@ namespace ams::kern {
static constexpr inline TokenBaseType GetClassToken() { static constexpr inline TokenBaseType GetClassToken() {
static_assert(std::is_base_of<KAutoObject, T>::value); static_assert(std::is_base_of<KAutoObject, T>::value);
if constexpr (std::is_same<T, KAutoObject>::value) { if constexpr (std::is_same<T, KAutoObject>::value) {
static_assert(T::ObjectType == ObjectType::BaseClassesStart); static_assert(T::ObjectType == ObjectType::KAutoObject);
return BaseClassToken<0>; return 0;
} else if constexpr (!std::is_final<T>::value) { } else if constexpr (!std::is_final<T>::value) {
static_assert(ObjectType::BaseClassesStart < T::ObjectType && T::ObjectType < ObjectType::BaseClassesEnd); static_assert(ObjectType::BaseClassesStart <= T::ObjectType && T::ObjectType < ObjectType::BaseClassesEnd);
constexpr auto ClassIndex = static_cast<TokenBaseType>(T::ObjectType) - static_cast<TokenBaseType>(ObjectType::BaseClassesStart); constexpr auto ClassIndex = static_cast<TokenBaseType>(T::ObjectType) - static_cast<TokenBaseType>(ObjectType::BaseClassesStart);
return BaseClassToken<ClassIndex> | GetClassToken<typename T::BaseClass>(); return BaseClassToken<ClassIndex> | GetClassToken<typename T::BaseClass>();
} else if constexpr (ObjectType::FinalClassesStart <= T::ObjectType && T::ObjectType < ObjectType::FinalClassesEnd) { } else if constexpr (ObjectType::FinalClassesStart <= T::ObjectType && T::ObjectType < ObjectType::FinalClassesEnd) {
@ -79,10 +79,11 @@ namespace ams::kern {
}; };
public: public:
enum class ObjectType { enum class ObjectType {
BaseClassesStart = 0, KAutoObject,
KAutoObject = BaseClassesStart, BaseClassesStart,
KSynchronizationObject,
KSynchronizationObject = BaseClassesStart,
KReadableEvent, KReadableEvent,
BaseClassesEnd, BaseClassesEnd,

46
libraries/libmesosphere/source/kern_k_class_token.cpp Normal file
View file

@ -0,0 +1,46 @@
/*
* Copyright (c) 2018-2020 Atmosphère-NX
*
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License,
* version 2, as published by the Free Software Foundation.
*
* This program is distributed in the hope it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include <mesosphere.hpp>
namespace ams::kern {
/* Ensure that we generate correct class tokens for all types. */
static_assert(ClassToken<KAutoObject> == 0b00000000'00000000);
static_assert(ClassToken<KSynchronizationObject> == 0b00000000'00000001);
static_assert(ClassToken<KReadableEvent> == 0b00000000'00000011);
static_assert(ClassToken<KInterruptEvent> == 0b00000111'00000011);
static_assert(ClassToken<KDebug> == 0b00001011'00000001);
static_assert(ClassToken<KThread> == 0b00010011'00000001);
/* TODO: static_assert(ClassToken<KServerPort> == 0b00100011'00000001); */
/* TODO: static_assert(ClassToken<KServerSession> == 0b01000011'00000001); */
/* TODO: static_assert(ClassToken<KClientPort> == 0b10000011'00000001); */
/* TODO: static_assert(ClassToken<KClientSession> == 0b00001101'00000000); */
static_assert(ClassToken<KProcess> == 0b00010101'00000001);
static_assert(ClassToken<KResourceLimit> == 0b00100101'00000000);
static_assert(ClassToken<KLightSession> == 0b01000101'00000000);
static_assert(ClassToken<KPort> == 0b10000101'00000000);
static_assert(ClassToken<KSession> == 0b00011001'00000000);
static_assert(ClassToken<KSharedMemory> == 0b00101001'00000000);
static_assert(ClassToken<KEvent> == 0b01001001'00000000);
/* TODO: static_assert(ClassToken<KWritableEvent> == 0b10001001'00000000); */
/* TODO: static_assert(ClassToken<KLightClientSession> == 0b00110001'00000000); */
/* TODO: static_assert(ClassToken<KLightServerSession> == 0b01010001'00000000); */
static_assert(ClassToken<KTransferMemory> == 0b10010001'00000000);
static_assert(ClassToken<KDeviceAddressSpace> == 0b01100001'00000000);
static_assert(ClassToken<KSessionRequest> == 0b10100001'00000000);
static_assert(ClassToken<KCodeMemory> == 0b11000001'00000000);
}