mirror of
https://github.com/Atmosphere-NX/Atmosphere
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65 lines
2.7 KiB
C++
65 lines
2.7 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/svc/svc_common.hpp>
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#include <vapours/svc/svc_select_hardware_constants.hpp>
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#include <vapours/util/util_bitpack.hpp>
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namespace ams::svc {
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constexpr inline u32 ConvertToSvcMajorVersion(u32 sdk) { return sdk + 4; }
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constexpr inline u32 ConvertToSdkMajorVersion(u32 svc) { return svc - 4; }
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constexpr inline u32 ConvertToSvcMinorVersion(u32 sdk) { return sdk; }
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constexpr inline u32 ConvertToSdkMinorVersion(u32 svc) { return svc; }
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struct KernelVersion {
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using MinorVersion = util::BitPack32::Field<0, 4>;
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using MajorVersion = util::BitPack32::Field<MinorVersion::Next, 13>;
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};
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constexpr inline u32 EncodeKernelVersion(u32 major, u32 minor) {
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util::BitPack32 pack = {};
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pack.Set<KernelVersion::MinorVersion>(minor);
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pack.Set<KernelVersion::MajorVersion>(major);
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return pack.value;
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}
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constexpr inline u32 GetKernelMajorVersion(u32 encoded) {
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const util::BitPack32 pack = { encoded };
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return pack.Get<KernelVersion::MajorVersion>();
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}
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constexpr inline u32 GetKernelMinorVersion(u32 encoded) {
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const util::BitPack32 pack = { encoded };
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return pack.Get<KernelVersion::MinorVersion>();
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}
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/* Nintendo doesn't support programs targeting SVC versions < 3.0. */
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constexpr inline u32 RequiredKernelMajorVersion = 3;
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constexpr inline u32 RequiredKernelMinorVersion = 0;
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constexpr inline u32 RequiredKernelVersion = EncodeKernelVersion(RequiredKernelMajorVersion, RequiredKernelMinorVersion);
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/* This is the highest SVC version supported by Atmosphere, to be updated on new kernel releases. */
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/* NOTE: Official kernel versions have SVC major = SDK major + 4, SVC minor = SDK minor. */
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constexpr inline u32 SupportedKernelMajorVersion = ConvertToSvcMajorVersion(10);
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constexpr inline u32 SupportedKernelMinorVersion = ConvertToSvcMinorVersion( 4);
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constexpr inline u32 SupportedKernelVersion = EncodeKernelVersion(SupportedKernelMajorVersion, SupportedKernelMinorVersion);
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}
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