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// SPDX-FileCopyrightText: Copyright 2023 yuzu Emulator Project
// SPDX-License-Identifier: GPL-2.0-or-later
#pragma once
#include "common/bit_field.h"
#include "common/common_types.h"
#include "common/literals.h"
namespace Kernel::Svc {
constexpr inline u32 ConvertToSvcMajorVersion(u32 sdk) {
return sdk + 4;
}
constexpr inline u32 ConvertToSdkMajorVersion(u32 svc) {
return svc - 4;
}
constexpr inline u32 ConvertToSvcMinorVersion(u32 sdk) {
return sdk;
}
constexpr inline u32 ConvertToSdkMinorVersion(u32 svc) {
return svc;
}
union KernelVersion {
u32 value;
BitField<0, 4, u32> minor_version;
BitField<4, 13, u32> major_version;
};
constexpr inline u32 EncodeKernelVersion(u32 major, u32 minor) {
return decltype(KernelVersion::minor_version)::FormatValue(minor) |
decltype(KernelVersion::major_version)::FormatValue(major);
}
constexpr inline u32 GetKernelMajorVersion(u32 encoded) {
return std::bit_cast<decltype(KernelVersion::major_version)>(encoded).Value();
}
constexpr inline u32 GetKernelMinorVersion(u32 encoded) {
return std::bit_cast<decltype(KernelVersion::minor_version)>(encoded).Value();
}
// Nintendo doesn't support programs targeting SVC versions < 3.0.
constexpr inline u32 RequiredKernelMajorVersion = 3;
constexpr inline u32 RequiredKernelMinorVersion = 0;
constexpr inline u32 RequiredKernelVersion =
EncodeKernelVersion(RequiredKernelMajorVersion, RequiredKernelMinorVersion);
// This is the highest SVC version supported, to be updated on new kernel releases.
// NOTE: Official kernel versions have SVC major = SDK major + 4, SVC minor = SDK minor.
constexpr inline u32 SupportedKernelMajorVersion = ConvertToSvcMajorVersion(15);
constexpr inline u32 SupportedKernelMinorVersion = ConvertToSvcMinorVersion(3);
constexpr inline u32 SupportedKernelVersion =
EncodeKernelVersion(SupportedKernelMajorVersion, SupportedKernelMinorVersion);
} // namespace Kernel::Svc
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