mirror of https://github.com/yuzu-emu/yuzu.git
59 lines
1.9 KiB
C++
59 lines
1.9 KiB
C++
// SPDX-FileCopyrightText: Copyright 2023 yuzu Emulator Project
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// SPDX-License-Identifier: GPL-2.0-or-later
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#pragma once
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#include "common/bit_field.h"
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#include "common/common_types.h"
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#include "common/literals.h"
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namespace Kernel::Svc {
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constexpr inline u32 ConvertToSvcMajorVersion(u32 sdk) {
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return sdk + 4;
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}
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constexpr inline u32 ConvertToSdkMajorVersion(u32 svc) {
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return svc - 4;
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}
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constexpr inline u32 ConvertToSvcMinorVersion(u32 sdk) {
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return sdk;
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}
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constexpr inline u32 ConvertToSdkMinorVersion(u32 svc) {
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return svc;
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}
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union KernelVersion {
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u32 value;
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BitField<0, 4, u32> minor_version;
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BitField<4, 13, u32> major_version;
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};
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constexpr inline u32 EncodeKernelVersion(u32 major, u32 minor) {
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return decltype(KernelVersion::minor_version)::FormatValue(minor) |
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decltype(KernelVersion::major_version)::FormatValue(major);
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}
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constexpr inline u32 GetKernelMajorVersion(u32 encoded) {
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return decltype(KernelVersion::major_version)::ExtractValue(encoded);
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}
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constexpr inline u32 GetKernelMinorVersion(u32 encoded) {
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return decltype(KernelVersion::minor_version)::ExtractValue(encoded);
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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 =
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EncodeKernelVersion(RequiredKernelMajorVersion, RequiredKernelMinorVersion);
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// This is the highest SVC version supported, 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(15);
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constexpr inline u32 SupportedKernelMinorVersion = ConvertToSvcMinorVersion(3);
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constexpr inline u32 SupportedKernelVersion =
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EncodeKernelVersion(SupportedKernelMajorVersion, SupportedKernelMinorVersion);
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} // namespace Kernel::Svc
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