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cdb240f3d4
[REUSE] is a specification that aims at making file copyright
information consistent, so that it can be both human and machine
readable. It basically requires that all files have a header containing
copyright and licensing information. When this isn't possible, like
when dealing with binary assets, generated files or embedded third-party
dependencies, it is permitted to insert copyright information in the
`.reuse/dep5` file.
Oh, and it also requires that all the licenses used in the project are
present in the `LICENSES` folder, that's why the diff is so huge.
This can be done automatically with `reuse download --all`.
The `reuse` tool also contains a handy subcommand that analyzes the
project and tells whether or not the project is (still) compliant,
`reuse lint`.
Following REUSE has a few advantages over the current approach:
- Copyright information is easy to access for users / downstream
- Files like `dist/license.md` do not need to exist anymore, as
`.reuse/dep5` is used instead
- `reuse lint` makes it easy to ensure that copyright information of
files like binary assets / images is always accurate and up to date
To add copyright information of files that didn't have it I looked up
who committed what and when, for each file. As yuzu contributors do not
have to sign a CLA or similar I couldn't assume that copyright ownership
was of the "yuzu Emulator Project", so I used the name and/or email of
the commit author instead.
[REUSE]: https://reuse.software
Follow-up to 01cf05bc75
47 lines
1.2 KiB
C++
47 lines
1.2 KiB
C++
// SPDX-FileCopyrightText: 2016 Citra 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 <type_traits>
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#include <xbyak/xbyak.h>
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#include "common/x64/xbyak_abi.h"
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namespace Common::X64 {
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// Constants for use with cmpps/cmpss
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enum {
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CMP_EQ = 0,
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CMP_LT = 1,
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CMP_LE = 2,
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CMP_UNORD = 3,
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CMP_NEQ = 4,
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CMP_NLT = 5,
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CMP_NLE = 6,
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CMP_ORD = 7,
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};
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constexpr bool IsWithin2G(uintptr_t ref, uintptr_t target) {
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const u64 distance = target - (ref + 5);
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return !(distance >= 0x8000'0000ULL && distance <= ~0x8000'0000ULL);
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}
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inline bool IsWithin2G(const Xbyak::CodeGenerator& code, uintptr_t target) {
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return IsWithin2G(reinterpret_cast<uintptr_t>(code.getCurr()), target);
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}
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template <typename T>
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inline void CallFarFunction(Xbyak::CodeGenerator& code, const T f) {
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static_assert(std::is_pointer_v<T>, "Argument must be a (function) pointer.");
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size_t addr = reinterpret_cast<size_t>(f);
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if (IsWithin2G(code, addr)) {
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code.call(f);
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} else {
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// ABI_RETURN is a safe temp register to use before a call
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code.mov(ABI_RETURN, addr);
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code.call(ABI_RETURN);
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}
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}
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} // namespace Common::X64
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