diff options
Diffstat (limited to '')
-rw-r--r-- | src/core/hle/kernel/svc_version.h | 58 |
1 files changed, 58 insertions, 0 deletions
diff --git a/src/core/hle/kernel/svc_version.h b/src/core/hle/kernel/svc_version.h new file mode 100644 index 000000000..3eb95aa7b --- /dev/null +++ b/src/core/hle/kernel/svc_version.h @@ -0,0 +1,58 @@ +// 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 decltype(KernelVersion::major_version)::ExtractValue(encoded); +} + +constexpr inline u32 GetKernelMinorVersion(u32 encoded) { + return decltype(KernelVersion::minor_version)::ExtractValue(encoded); +} + +// 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 |