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https://github.com/Atmosphere-NX/Atmosphere.git
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64 lines
2.4 KiB
C++
64 lines
2.4 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/prfile2/prfile2_common.hpp>
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namespace ams::prfile2 {
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using HandleType = util::BitPack32;
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struct HandleField {
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using Id = util::BitPack32::Field< 0, 8>;
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using Kind = util::BitPack32::Field< 8, 8>;
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using Signature = util::BitPack32::Field<16, 16>;
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};
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enum HandleKind {
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HandleKind_Disk = 3,
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HandleKind_Partition = 4,
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};
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constexpr ALWAYS_INLINE HandleType ConstructHandle(u8 id, HandleKind kind, u16 signature) {
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/* Construct the handle. */
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HandleType val = {};
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val.Set<HandleField::Id>(id);
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val.Set<HandleField::Kind>(kind);
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val.Set<HandleField::Signature>(signature);
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return val;
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};
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constexpr ALWAYS_INLINE u8 GetHandleId(HandleType handle) {
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return handle.Get<HandleField::Id>();
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}
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constexpr ALWAYS_INLINE u16 GetHandleSignature(HandleType handle) {
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return handle.Get<HandleField::Signature>();
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}
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constexpr inline const HandleType InvalidHandle = {};
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constexpr ALWAYS_INLINE bool IsInvalidHandle(HandleType handle) {
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return handle.value == 0;
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}
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static_assert(IsInvalidHandle(InvalidHandle));
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constexpr ALWAYS_INLINE HandleType ConstructDiskHandle(u8 id, u16 signature) { return ConstructHandle(id, HandleKind_Disk, signature); }
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constexpr ALWAYS_INLINE HandleType ConstructPartitionHandle(u8 id, u16 signature) { return ConstructHandle(id, HandleKind_Partition, signature); }
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constexpr ALWAYS_INLINE bool IsDiskHandle(HandleType handle) { return handle.Get<HandleField::Kind>() == HandleKind_Disk; }
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constexpr ALWAYS_INLINE bool IsPartitionHandle(HandleType handle) { return handle.Get<HandleField::Kind>() == HandleKind_Partition; }
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}
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