mirror of https://github.com/PCSX2/pcsx2.git
189 lines
5.9 KiB
C
189 lines
5.9 KiB
C
/* PCSX2 - PS2 Emulator for PCs
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* Copyright (C) 2002-2010 PCSX2 Dev Team
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*
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* PCSX2 is free software: you can redistribute it and/or modify it under the terms
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* of the GNU Lesser General Public License as published by the Free Software Found-
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* ation, either version 3 of the License, or (at your option) any later version.
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*
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* PCSX2 is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
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* without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
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* PURPOSE. See the GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along with PCSX2.
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* If not, see <http://www.gnu.org/licenses/>.
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*/
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#pragma once
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// clang-format off
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#ifdef __CYGWIN__
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#define __linux__
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#endif
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// make sure __POSIX__ is defined for all systems where we assume POSIX
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// compliance
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#if defined(__linux__) || defined(__APPLE__) || defined(__unix__) || defined(__CYGWIN__) || defined(__LINUX__)
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#ifndef __POSIX__
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#define __POSIX__ 1
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#endif
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#endif
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#include "Pcsx2Types.h"
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#include "common/emitter/x86_intrin.h"
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// The C++ standard doesn't allow `offsetof` to be used on non-constant values (e.g. `offsetof(class, field[i])`)
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// Use this in those situations
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#define OFFSETOF(a, b) (reinterpret_cast<size_t>(&(static_cast<a*>(0)->b)))
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// --------------------------------------------------------------------------------------
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// Dev / Debug conditionals - Consts for using if() statements instead of uglier #ifdef.
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// --------------------------------------------------------------------------------------
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// Note: Using if() optimizes nicely in Devel and Release builds, but will generate extra
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// code overhead in debug builds (since debug neither inlines, nor optimizes out const-
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// level conditionals). Normally not a concern, but if you stick if( IsDevbuild ) in
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// some tight loops it will likely make debug builds unusably slow.
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//
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#ifdef PCSX2_DEVBUILD
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static const bool IsDevBuild = true;
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#else
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static const bool IsDevBuild = false;
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#endif
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#ifdef PCSX2_DEBUG
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static const bool IsDebugBuild = true;
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#else
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static const bool IsDebugBuild = false;
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#endif
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#ifdef PCSX2_DEBUG
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#define pxDebugCode(code) code
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#else
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#define pxDebugCode(code)
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#endif
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#ifdef PCSX2_DEVBUILD
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#define pxDevelCode(code) code
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#else
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#define pxDevelCode(code)
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#endif
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#if defined(PCSX2_DEBUG) || defined(PCSX2_DEVBUILD)
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#define pxReleaseCode(code)
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#define pxNonReleaseCode(code) code
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#else
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#define pxReleaseCode(code) code
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#define pxNonReleaseCode(code)
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#endif
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// Defines the memory page size for the target platform at compilation. All supported platforms
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// (which means Intel only right now) have a 4k granularity.
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#define PCSX2_PAGESIZE 0x1000
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static const int __pagesize = PCSX2_PAGESIZE;
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// --------------------------------------------------------------------------------------
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// Microsoft Visual Studio
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// --------------------------------------------------------------------------------------
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#ifdef _MSC_VER
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#define __noinline __declspec(noinline)
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#define __noreturn __declspec(noreturn)
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// Don't know if there are Visual C++ equivalents of these.
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#define likely(x) (!!(x))
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#define unlikely(x) (!!(x))
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#define CALLBACK __stdcall
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#else
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// --------------------------------------------------------------------------------------
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// GCC / Intel Compilers Section
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// --------------------------------------------------------------------------------------
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#define __assume(cond) do { if (!(cond)) __builtin_unreachable(); } while(0)
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#define CALLBACK __attribute__((stdcall))
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// Inlining note: GCC needs ((unused)) attributes defined on inlined functions to suppress
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// warnings when a static inlined function isn't used in the scope of a single file (which
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// happens *by design* like all the friggen time >_<)
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#ifndef __fastcall
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#define __fastcall
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#endif
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#define __vectorcall __fastcall
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#define _inline __inline__ __attribute__((unused))
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#ifdef NDEBUG
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#define __forceinline __attribute__((always_inline, unused))
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#else
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#define __forceinline __attribute__((unused))
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#endif
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#ifndef __noinline
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#define __noinline __attribute__((noinline))
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#endif
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#ifndef __noreturn
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#define __noreturn __attribute__((noreturn))
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#endif
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#define likely(x) __builtin_expect(!!(x), 1)
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#define unlikely(x) __builtin_expect(!!(x), 0)
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#endif
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// --------------------------------------------------------------------------------------
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// __releaseinline / __ri -- a forceinline macro that is enabled for RELEASE/PUBLIC builds ONLY.
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// --------------------------------------------------------------------------------------
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// This is useful because forceinline can make certain types of debugging problematic since
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// functions that look like they should be called won't breakpoint since their code is
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// inlined, and it can make stack traces confusing or near useless.
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//
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// Use __releaseinline for things which are generally large functions where trace debugging
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// from Devel builds is likely useful; but which should be inlined in an optimized Release
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// environment.
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//
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#ifdef PCSX2_DEVBUILD
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#define __releaseinline
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#else
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#define __releaseinline __forceinline
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#endif
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#define __ri __releaseinline
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#define __fi __forceinline
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#define __fc __fastcall
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// Makes sure that if anyone includes xbyak, it doesn't do anything bad
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#define XBYAK_ENABLE_OMITTED_OPERAND
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#ifdef __x86_64__
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#define _M_AMD64
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#endif
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#ifndef RESTRICT
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#ifdef __INTEL_COMPILER
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#define RESTRICT restrict
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#elif defined(_MSC_VER)
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#define RESTRICT __restrict
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#elif defined(__GNUC__)
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#define RESTRICT __restrict__
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#else
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#define RESTRICT
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#endif
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#endif
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#ifndef __has_attribute
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#define __has_attribute(x) 0
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#endif
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#ifndef __has_builtin
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#define __has_builtin(x) 0
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#endif
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#ifdef __cpp_constinit
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#define CONSTINIT constinit
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#elif __has_attribute(require_constant_initialization)
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#define CONSTINIT __attribute__((require_constant_initialization))
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#else
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#define CONSTINIT
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#endif
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#define ASSERT assert
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