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author | Morph <39850852+Morph1984@users.noreply.github.com> | 2020-12-04 07:41:21 +0100 |
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committer | Morph <39850852+Morph1984@users.noreply.github.com> | 2020-12-08 14:19:05 +0100 |
commit | 0eb6c6cd836028a94260321e460871c228deee50 (patch) | |
tree | 1f32afb694eae681c5d5936efe751f0f0d3cb972 /src/core/file_sys/common_funcs.h | |
parent | Merge pull request #5165 from lioncash/copy-controller (diff) | |
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Diffstat (limited to 'src/core/file_sys/common_funcs.h')
-rw-r--r-- | src/core/file_sys/common_funcs.h | 56 |
1 files changed, 56 insertions, 0 deletions
diff --git a/src/core/file_sys/common_funcs.h b/src/core/file_sys/common_funcs.h new file mode 100644 index 000000000..7ed97aa50 --- /dev/null +++ b/src/core/file_sys/common_funcs.h @@ -0,0 +1,56 @@ +// Copyright 2020 yuzu Emulator Project +// Licensed under GPLv2 or any later version +// Refer to the license.txt file included. + +#pragma once + +#include "common/common_types.h" + +namespace FileSys { + +constexpr u64 AOC_TITLE_ID_MASK = 0x7FF; +constexpr u64 AOC_TITLE_ID_OFFSET = 0x1000; +constexpr u64 BASE_TITLE_ID_MASK = 0xFFFFFFFFFFFFE000; + +/** + * Gets the base title ID from a given title ID. + * + * @param title_id The title ID. + * @returns The base title ID. + */ +[[nodiscard]] constexpr u64 GetBaseTitleID(u64 title_id) { + return title_id & BASE_TITLE_ID_MASK; +} + +/** + * Gets the base title ID with a program index offset from a given title ID. + * + * @param title_id The title ID. + * @param program_index The program index. + * @returns The base title ID with a program index offset. + */ +[[nodiscard]] constexpr u64 GetBaseTitleIDWithProgramIndex(u64 title_id, u64 program_index) { + return GetBaseTitleID(title_id) + program_index; +} + +/** + * Gets the AOC (Add-On Content) base title ID from a given title ID. + * + * @param title_id The title ID. + * @returns The AOC base title ID. + */ +[[nodiscard]] constexpr u64 GetAOCBaseTitleID(u64 title_id) { + return GetBaseTitleID(title_id) + AOC_TITLE_ID_OFFSET; +} + +/** + * Gets the AOC (Add-On Content) ID from a given AOC title ID. + * + * @param aoc_title_id The AOC title ID. + * @returns The AOC ID. + */ +[[nodiscard]] constexpr u64 GetAOCID(u64 aoc_title_id) { + return aoc_title_id & AOC_TITLE_ID_MASK; +} + +} // namespace FileSys |