mirror of
https://github.com/Atmosphere-NX/Atmosphere.git
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261 lines
20 KiB
C++
261 lines
20 KiB
C++
/*
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* Copyright (c) 2018-2020 Atmosphère-NX
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms and conditions of the GNU General Public License,
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* version 2, as published by the Free Software Foundation.
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*
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* This program is distributed in the hope it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#pragma once
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#include <vapours.hpp>
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namespace ams::reg {
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template<typename T>
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concept UnsignedNonConstIntegral = std::unsigned_integral<T> && !std::is_const<T>::value;
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using BitsValue = std::tuple<u16, u16, u32>;
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using BitsMask = std::tuple<u16, u16>;
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constexpr ALWAYS_INLINE u32 GetOffset(const BitsMask v) { return static_cast<u32>(std::get<0>(v)); }
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constexpr ALWAYS_INLINE u32 GetOffset(const BitsValue v) { return static_cast<u32>(std::get<0>(v)); }
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constexpr ALWAYS_INLINE u32 GetWidth(const BitsMask v) { return static_cast<u32>(std::get<1>(v)); }
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constexpr ALWAYS_INLINE u32 GetWidth(const BitsValue v) { return static_cast<u32>(std::get<1>(v)); }
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constexpr ALWAYS_INLINE u32 GetValue(const BitsValue v) { return static_cast<u32>(std::get<2>(v)); }
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constexpr ALWAYS_INLINE ::ams::reg::BitsValue GetValue(const BitsMask m, const u32 v) {
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return ::ams::reg::BitsValue{GetOffset(m), GetWidth(m), v};
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}
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constexpr ALWAYS_INLINE u32 EncodeMask(const BitsMask v) {
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return (~0u >> (BITSIZEOF(u32) - GetWidth(v))) << GetOffset(v);
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}
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constexpr ALWAYS_INLINE u32 EncodeMask(const BitsValue v) {
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return (~0u >> (BITSIZEOF(u32) - GetWidth(v))) << GetOffset(v);
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}
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constexpr ALWAYS_INLINE u32 EncodeValue(const BitsValue v) {
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return ((GetValue(v) << GetOffset(v)) & EncodeMask(v));
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}
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template<typename... Values> requires ((sizeof...(Values) > 0) && (std::is_same<Values, BitsValue>::value && ...))
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constexpr ALWAYS_INLINE u32 Encode(const Values... values) {
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return (EncodeValue(values) | ...);
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}
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template<typename... Masks> requires ((sizeof...(Masks) > 0) && (std::is_same<Masks, BitsMask>::value && ...))
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constexpr ALWAYS_INLINE u32 EncodeMask(const Masks... masks) {
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return (EncodeMask(masks) | ...);
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}
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template<typename IntType> requires UnsignedNonConstIntegral<IntType>
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constexpr ALWAYS_INLINE IntType GetField(const IntType &value, const BitsMask mask) { return (value & EncodeMask(mask)) >> GetOffset(mask); }
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template<typename IntType> requires UnsignedNonConstIntegral<IntType>
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constexpr ALWAYS_INLINE void SetField(IntType &value, const BitsValue v) { value = (value & ~EncodeMask(v)) | EncodeValue(v); }
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template<typename IntType> requires UnsignedNonConstIntegral<IntType>
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ALWAYS_INLINE void Write(volatile IntType *reg, std::type_identity_t<IntType> val) { *reg = val; }
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template<typename IntType> requires UnsignedNonConstIntegral<IntType>
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ALWAYS_INLINE void Write(volatile IntType ®, std::type_identity_t<IntType> val) { reg = val; }
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ALWAYS_INLINE void Write(uintptr_t reg, u32 val) { Write(reinterpret_cast<volatile u32 *>(reg), val); }
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template<typename IntType, typename... Values> requires UnsignedNonConstIntegral<IntType> && ((sizeof...(Values) > 0) && (std::is_same<Values, BitsValue>::value && ...))
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ALWAYS_INLINE void Write(volatile IntType *reg, const Values... values) { return Write(reg, static_cast<IntType>((EncodeValue(values) | ...))); }
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template<typename IntType, typename... Values> requires UnsignedNonConstIntegral<IntType> && ((sizeof...(Values) > 0) && (std::is_same<Values, BitsValue>::value && ...))
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ALWAYS_INLINE void Write(volatile IntType ®, const Values... values) { return Write(reg, static_cast<IntType>((EncodeValue(values) | ...))); }
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template<typename... Values> requires ((sizeof...(Values) > 0) && (std::is_same<Values, BitsValue>::value && ...))
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ALWAYS_INLINE void Write(uintptr_t reg, const Values... values) { return Write(reg, (EncodeValue(values) | ...)); }
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template<typename IntType> requires UnsignedNonConstIntegral<IntType>
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ALWAYS_INLINE IntType Read(volatile IntType *reg) { return *reg; }
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template<typename IntType> requires UnsignedNonConstIntegral<IntType>
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ALWAYS_INLINE IntType Read(volatile IntType ®) { return reg; }
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ALWAYS_INLINE u32 Read(uintptr_t reg) { return Read(reinterpret_cast<volatile u32 *>(reg)); }
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template<typename IntType> requires UnsignedNonConstIntegral<IntType>
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ALWAYS_INLINE IntType Read(volatile IntType *reg, std::type_identity_t<IntType> mask) { return *reg & mask; }
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template<typename IntType> requires UnsignedNonConstIntegral<IntType>
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ALWAYS_INLINE IntType Read(volatile IntType ®, std::type_identity_t<IntType> mask) { return reg & mask; }
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ALWAYS_INLINE u32 Read(uintptr_t reg, u32 mask) { return Read(reinterpret_cast<volatile u32 *>(reg), mask); }
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template<typename IntType, typename... Masks> requires UnsignedNonConstIntegral<IntType> && ((sizeof...(Masks) > 0) && (std::is_same<Masks, BitsMask>::value && ...))
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ALWAYS_INLINE IntType Read(volatile IntType *reg, const Masks... masks) { return Read(reg, static_cast<IntType>((EncodeMask(masks) | ...))); }
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template<typename IntType, typename... Masks> requires UnsignedNonConstIntegral<IntType> && ((sizeof...(Masks) > 0) && (std::is_same<Masks, BitsMask>::value && ...))
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ALWAYS_INLINE IntType Read(volatile IntType ®, const Masks... masks) { return Read(reg, static_cast<IntType>((EncodeMask(masks) | ...))); }
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template<typename... Masks> requires ((sizeof...(Masks) > 0) && (std::is_same<Masks, BitsMask>::value && ...))
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ALWAYS_INLINE u32 Read(uintptr_t reg, const Masks... masks) { return Read(reg, (EncodeMask(masks) | ...)); }
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template<typename IntType, typename... Values> requires UnsignedNonConstIntegral<IntType> && ((sizeof...(Values) > 0) && (std::is_same<Values, BitsValue>::value && ...))
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ALWAYS_INLINE bool HasValue(volatile IntType *reg, const Values... values) { return Read(reg, static_cast<IntType>((EncodeMask(values) | ...))) == static_cast<IntType>(Encode(values...)); }
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template<typename IntType, typename... Values> requires UnsignedNonConstIntegral<IntType> && ((sizeof...(Values) > 0) && (std::is_same<Values, BitsValue>::value && ...))
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ALWAYS_INLINE bool HasValue(volatile IntType ®, const Values... values) { return Read(reg, static_cast<IntType>((EncodeMask(values) | ...))) == static_cast<IntType>(Encode(values...)); }
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template<typename... Values> requires ((sizeof...(Values) > 0) && (std::is_same<Values, BitsValue>::value && ...))
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ALWAYS_INLINE bool HasValue(uintptr_t reg, const Values... values) { return Read(reg, (EncodeMask(values) | ...)) == Encode(values...); }
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template<typename IntType> requires UnsignedNonConstIntegral<IntType>
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ALWAYS_INLINE IntType GetValue(volatile IntType *reg, const BitsMask mask) { return Read(reg, mask) >> GetOffset(mask); }
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template<typename IntType> requires UnsignedNonConstIntegral<IntType>
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ALWAYS_INLINE IntType GetValue(volatile IntType ®, const BitsMask mask) { return Read(reg, mask) >> GetOffset(mask); }
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ALWAYS_INLINE u32 GetValue(uintptr_t reg, const BitsMask mask) { return Read(reg, mask) >> GetOffset(mask); }
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template<typename IntType> requires UnsignedNonConstIntegral<IntType>
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ALWAYS_INLINE void ReadWrite(volatile IntType *reg, std::type_identity_t<IntType> val, std::type_identity_t<IntType> mask) { *reg = (*reg & (~mask)) | (val & mask); }
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template<typename IntType> requires UnsignedNonConstIntegral<IntType>
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ALWAYS_INLINE void ReadWrite(volatile IntType ®, std::type_identity_t<IntType> val, std::type_identity_t<IntType> mask) { reg = ( reg & (~mask)) | (val & mask); }
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ALWAYS_INLINE void ReadWrite(uintptr_t reg, u32 val, u32 mask) { ReadWrite(reinterpret_cast<volatile u32 *>(reg), val, mask); }
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template<typename IntType, typename... Values> requires UnsignedNonConstIntegral<IntType> && ((sizeof...(Values) > 0) && (std::is_same<Values, BitsValue>::value && ...))
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ALWAYS_INLINE void ReadWrite(volatile IntType *reg, const Values... values) { return ReadWrite(reg, static_cast<IntType>((EncodeValue(values) | ...)), static_cast<IntType>((EncodeMask(values) | ...))); }
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template<typename IntType, typename... Values> requires UnsignedNonConstIntegral<IntType> && ((sizeof...(Values) > 0) && (std::is_same<Values, BitsValue>::value && ...))
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ALWAYS_INLINE void ReadWrite(volatile IntType ®, const Values... values) { return ReadWrite(reg, static_cast<IntType>((EncodeValue(values) | ...)), static_cast<IntType>((EncodeMask(values) | ...))); }
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template<typename... Values> requires ((sizeof...(Values) > 0) && (std::is_same<Values, BitsValue>::value && ...))
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ALWAYS_INLINE void ReadWrite(uintptr_t reg, const Values... values) { return ReadWrite(reg, (EncodeValue(values) | ...), (EncodeMask(values) | ...)); }
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template<typename IntType> requires UnsignedNonConstIntegral<IntType>
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ALWAYS_INLINE void SetBits(volatile IntType *reg, std::type_identity_t<IntType> mask) { *reg = *reg | mask; }
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template<typename IntType> requires UnsignedNonConstIntegral<IntType>
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ALWAYS_INLINE void SetBits(volatile IntType ®, std::type_identity_t<IntType> mask) { reg = reg | mask; }
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ALWAYS_INLINE void SetBits(uintptr_t reg, u32 mask) { SetBits(reinterpret_cast<volatile u32 *>(reg), mask); }
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template<typename IntType, typename... Masks> requires UnsignedNonConstIntegral<IntType> && ((sizeof...(Masks) > 0) && (std::is_same<Masks, BitsMask>::value && ...))
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ALWAYS_INLINE void SetBits(volatile IntType *reg, const Masks... masks) { return SetBits(reg, static_cast<IntType>((EncodeMask(masks) | ...))); }
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template<typename IntType, typename... Masks> requires UnsignedNonConstIntegral<IntType> && ((sizeof...(Masks) > 0) && (std::is_same<Masks, BitsMask>::value && ...))
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ALWAYS_INLINE void SetBits(volatile IntType ®, const Masks... masks) { return SetBits(reg, static_cast<IntType>((EncodeMask(masks) | ...))); }
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template<typename... Masks> requires ((sizeof...(Masks) > 0) && (std::is_same<Masks, BitsMask>::value && ...))
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ALWAYS_INLINE void SetBits(uintptr_t reg, const Masks... masks) { return SetBits(reg, (EncodeMask(masks) | ...)); }
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template<typename IntType> requires UnsignedNonConstIntegral<IntType>
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ALWAYS_INLINE void ClearBits(volatile IntType *reg, std::type_identity_t<IntType> mask) { *reg = *reg & ~mask; }
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template<typename IntType> requires UnsignedNonConstIntegral<IntType>
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ALWAYS_INLINE void ClearBits(volatile IntType ®, std::type_identity_t<IntType> mask) { reg = reg & ~mask; }
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ALWAYS_INLINE void ClearBits(uintptr_t reg, u32 mask) { ClearBits(reinterpret_cast<volatile u32 *>(reg), mask); }
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template<typename IntType, typename... Masks> requires UnsignedNonConstIntegral<IntType> && ((sizeof...(Masks) > 0) && (std::is_same<Masks, BitsMask>::value && ...))
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ALWAYS_INLINE void ClearBits(volatile IntType *reg, const Masks... masks) { return ClearBits(reg, static_cast<IntType>((EncodeMask(masks) | ...))); }
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template<typename IntType, typename... Masks> requires UnsignedNonConstIntegral<IntType> && ((sizeof...(Masks) > 0) && (std::is_same<Masks, BitsMask>::value && ...))
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ALWAYS_INLINE void ClearBits(volatile IntType ®, const Masks... masks) { return ClearBits(reg, static_cast<IntType>((EncodeMask(masks) | ...))); }
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template<typename... Masks> requires ((sizeof...(Masks) > 0) && (std::is_same<Masks, BitsMask>::value && ...))
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ALWAYS_INLINE void ClearBits(uintptr_t reg, const Masks... masks) { return ClearBits(reg, (EncodeMask(masks) | ...)); }
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template<typename IntType> requires UnsignedNonConstIntegral<IntType>
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ALWAYS_INLINE void MaskBits(volatile IntType *reg, std::type_identity_t<IntType> mask) { *reg = *reg & mask; }
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template<typename IntType> requires UnsignedNonConstIntegral<IntType>
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ALWAYS_INLINE void MaskBits(volatile IntType ®, std::type_identity_t<IntType> mask) { reg = reg & mask; }
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ALWAYS_INLINE void MaskBits(uintptr_t reg, u32 mask) { MaskBits(reinterpret_cast<volatile u32 *>(reg), mask); }
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template<typename IntType, typename... Masks> requires UnsignedNonConstIntegral<IntType> && ((sizeof...(Masks) > 0) && (std::is_same<Masks, BitsMask>::value && ...))
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ALWAYS_INLINE void MaskBits(volatile IntType *reg, const Masks... masks) { return MaskBits(reg, static_cast<IntType>((EncodeMask(masks) | ...))); }
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template<typename IntType, typename... Masks> requires UnsignedNonConstIntegral<IntType> && ((sizeof...(Masks) > 0) && (std::is_same<Masks, BitsMask>::value && ...))
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ALWAYS_INLINE void MaskBits(volatile IntType ®, const Masks... masks) { return MaskBits(reg, static_cast<IntType>((EncodeMask(masks) | ...))); }
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template<typename... Masks> requires ((sizeof...(Masks) > 0) && (std::is_same<Masks, BitsMask>::value && ...))
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ALWAYS_INLINE void MaskBits(uintptr_t reg, const Masks... masks) { return MaskBits(reg, (EncodeMask(masks) | ...)); }
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#define REG_BITS_MASK(OFFSET, WIDTH) ::ams::reg::BitsMask{OFFSET, WIDTH}
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#define REG_BITS_VALUE(OFFSET, WIDTH, VALUE) ::ams::reg::BitsValue{OFFSET, WIDTH, VALUE}
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#define REG_BITS_VALUE_FROM_MASK(MASK, VALUE) ::ams::reg::GetValue(MASK, VALUE)
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#define REG_NAMED_BITS_MASK(PREFIX, NAME) REG_BITS_MASK(PREFIX##_##NAME##_OFFSET, PREFIX##_##NAME##_WIDTH)
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#define REG_NAMED_BITS_VALUE(PREFIX, NAME, VALUE) REG_BITS_VALUE(PREFIX##_##NAME##_OFFSET, PREFIX##_##NAME##_WIDTH, VALUE)
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#define REG_NAMED_BITS_ENUM(PREFIX, NAME, ENUM) REG_BITS_VALUE(PREFIX##_##NAME##_OFFSET, PREFIX##_##NAME##_WIDTH, PREFIX##_##NAME##_##ENUM)
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#define REG_NAMED_BITS_ENUM_SEL(PREFIX, NAME, __COND__, TRUE_ENUM, FALSE_ENUM) REG_BITS_VALUE(PREFIX##_##NAME##_OFFSET, PREFIX##_##NAME##_WIDTH, (__COND__) ? PREFIX##_##NAME##_##TRUE_ENUM : PREFIX##_##NAME##_##FALSE_ENUM)
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#define REG_DEFINE_NAMED_REG(PREFIX, NAME, __OFFSET__, __WIDTH__) \
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constexpr inline u32 PREFIX##_##NAME##_OFFSET = __OFFSET__; \
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constexpr inline u32 PREFIX##_##NAME##_WIDTH = __WIDTH__
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#define REG_DEFINE_NAMED_BIT_ENUM(PREFIX, NAME, __OFFSET__, ZERO, ONE) \
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REG_DEFINE_NAMED_REG(PREFIX, NAME, __OFFSET__, 1); \
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\
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enum PREFIX##_##NAME { \
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PREFIX##_##NAME##_##ZERO = 0, \
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PREFIX##_##NAME##_##ONE = 1, \
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};
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#define REG_DEFINE_NAMED_TWO_BIT_ENUM(PREFIX, NAME, __OFFSET__, ZERO, ONE, TWO, THREE) \
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REG_DEFINE_NAMED_REG(PREFIX, NAME, __OFFSET__, 2); \
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\
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enum PREFIX##_##NAME { \
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PREFIX##_##NAME##_##ZERO = 0, \
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PREFIX##_##NAME##_##ONE = 1, \
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PREFIX##_##NAME##_##TWO = 2, \
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PREFIX##_##NAME##_##THREE = 3, \
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};
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#define REG_DEFINE_NAMED_THREE_BIT_ENUM(PREFIX, NAME, __OFFSET__, ZERO, ONE, TWO, THREE, FOUR, FIVE, SIX, SEVEN) \
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REG_DEFINE_NAMED_REG(PREFIX, NAME, __OFFSET__, 3); \
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\
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enum PREFIX##_##NAME { \
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PREFIX##_##NAME##_##ZERO = 0, \
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PREFIX##_##NAME##_##ONE = 1, \
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PREFIX##_##NAME##_##TWO = 2, \
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PREFIX##_##NAME##_##THREE = 3, \
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PREFIX##_##NAME##_##FOUR = 4, \
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PREFIX##_##NAME##_##FIVE = 5, \
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PREFIX##_##NAME##_##SIX = 6, \
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PREFIX##_##NAME##_##SEVEN = 7, \
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};
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#define REG_DEFINE_NAMED_FOUR_BIT_ENUM(PREFIX, NAME, __OFFSET__, ZERO, ONE, TWO, THREE, FOUR, FIVE, SIX, SEVEN, EIGHT, NINE, TEN, ELEVEN, TWELVE, THIRTEEN, FOURTEEN, FIFTEEN) \
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REG_DEFINE_NAMED_REG(PREFIX, NAME, __OFFSET__, 4); \
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\
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enum PREFIX##_##NAME { \
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PREFIX##_##NAME##_##ZERO = 0, \
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PREFIX##_##NAME##_##ONE = 1, \
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PREFIX##_##NAME##_##TWO = 2, \
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PREFIX##_##NAME##_##THREE = 3, \
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PREFIX##_##NAME##_##FOUR = 4, \
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PREFIX##_##NAME##_##FIVE = 5, \
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PREFIX##_##NAME##_##SIX = 6, \
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PREFIX##_##NAME##_##SEVEN = 7, \
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PREFIX##_##NAME##_##EIGHT = 8, \
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PREFIX##_##NAME##_##NINE = 9, \
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PREFIX##_##NAME##_##TEN = 10, \
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PREFIX##_##NAME##_##ELEVEN = 11, \
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PREFIX##_##NAME##_##TWELVE = 12, \
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PREFIX##_##NAME##_##THIRTEEN = 13, \
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PREFIX##_##NAME##_##FOURTEEN = 14, \
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PREFIX##_##NAME##_##FIFTEEN = 15, \
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};
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}
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