common: Remove dependency on xbyak
Xbyak is currently entirely unused. Rather than carting it along, remove it and get rid of a dependency. If it's ever needed in the future, then it can be re-added (and likely be more up to date at that point in time).
This commit is contained in:
Lioncash
parent
5af4160bf2
commit
3533d33ff5
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@ -13,9 +13,6 @@
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[submodule "dynarmic"]
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path = externals/dynarmic
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url = https://github.com/MerryMage/dynarmic.git
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[submodule "xbyak"]
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path = externals/xbyak
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url = https://github.com/herumi/xbyak.git
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[submodule "fmt"]
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path = externals/fmt
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url = https://github.com/fmtlib/fmt.git
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@ -9,7 +9,6 @@ target_include_directories(catch-single-include INTERFACE catch/single_include)
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# Dynarmic
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if (ARCHITECTURE_x86_64)
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add_library(xbyak INTERFACE)
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set(DYNARMIC_TESTS OFF)
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set(DYNARMIC_NO_BUNDLED_FMT ON)
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add_subdirectory(dynarmic)
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@ -53,14 +52,6 @@ target_include_directories(unicorn-headers INTERFACE ./unicorn/include)
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# SoundTouch
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add_subdirectory(soundtouch)
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# Xbyak
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if (ARCHITECTURE_x86_64)
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# Defined before "dynarmic" above
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# add_library(xbyak INTERFACE)
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target_include_directories(xbyak INTERFACE ./xbyak/xbyak)
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target_compile_definitions(xbyak INTERFACE XBYAK_NO_OP_NAMES)
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endif()
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# Opus
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add_subdirectory(opus)
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target_include_directories(opus INTERFACE ./opus/include)
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@ -1 +0,0 @@
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Subproject commit 1de435ed04c8e74775804da944d176baf0ce56e2
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@ -95,14 +95,9 @@ if(ARCHITECTURE_x86_64)
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PRIVATE
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x64/cpu_detect.cpp
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x64/cpu_detect.h
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x64/xbyak_abi.h
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x64/xbyak_util.h
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)
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endif()
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create_target_directory_groups(common)
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target_link_libraries(common PUBLIC Boost::boost fmt microprofile)
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if (ARCHITECTURE_x86_64)
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target_link_libraries(common PRIVATE xbyak)
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endif()
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@ -1,222 +0,0 @@
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// Copyright 2016 Citra Emulator Project
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// Licensed under GPLv2 or any later version
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// Refer to the license.txt file included.
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#pragma once
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#include <initializer_list>
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#include <xbyak.h>
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#include "common/assert.h"
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#include "common/bit_set.h"
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namespace Common::X64 {
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inline int RegToIndex(const Xbyak::Reg& reg) {
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using Kind = Xbyak::Reg::Kind;
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ASSERT_MSG((reg.getKind() & (Kind::REG | Kind::XMM)) != 0,
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"RegSet only support GPRs and XMM registers.");
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ASSERT_MSG(reg.getIdx() < 16, "RegSet only supports XXM0-15.");
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return reg.getIdx() + (reg.getKind() == Kind::REG ? 0 : 16);
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}
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inline Xbyak::Reg64 IndexToReg64(int reg_index) {
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ASSERT(reg_index < 16);
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return Xbyak::Reg64(reg_index);
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}
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inline Xbyak::Xmm IndexToXmm(int reg_index) {
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ASSERT(reg_index >= 16 && reg_index < 32);
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return Xbyak::Xmm(reg_index - 16);
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}
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inline Xbyak::Reg IndexToReg(int reg_index) {
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if (reg_index < 16) {
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return IndexToReg64(reg_index);
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} else {
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return IndexToXmm(reg_index);
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}
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}
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inline BitSet32 BuildRegSet(std::initializer_list<Xbyak::Reg> regs) {
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BitSet32 bits;
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for (const Xbyak::Reg& reg : regs) {
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bits[RegToIndex(reg)] = true;
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}
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return bits;
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}
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const BitSet32 ABI_ALL_GPRS(0x0000FFFF);
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const BitSet32 ABI_ALL_XMMS(0xFFFF0000);
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#ifdef _WIN32
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// Microsoft x64 ABI
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const Xbyak::Reg ABI_RETURN = Xbyak::util::rax;
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const Xbyak::Reg ABI_PARAM1 = Xbyak::util::rcx;
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const Xbyak::Reg ABI_PARAM2 = Xbyak::util::rdx;
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const Xbyak::Reg ABI_PARAM3 = Xbyak::util::r8;
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const Xbyak::Reg ABI_PARAM4 = Xbyak::util::r9;
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const BitSet32 ABI_ALL_CALLER_SAVED = BuildRegSet({
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// GPRs
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Xbyak::util::rcx,
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Xbyak::util::rdx,
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Xbyak::util::r8,
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Xbyak::util::r9,
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Xbyak::util::r10,
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Xbyak::util::r11,
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// XMMs
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Xbyak::util::xmm0,
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Xbyak::util::xmm1,
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Xbyak::util::xmm2,
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Xbyak::util::xmm3,
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Xbyak::util::xmm4,
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Xbyak::util::xmm5,
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});
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const BitSet32 ABI_ALL_CALLEE_SAVED = BuildRegSet({
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// GPRs
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Xbyak::util::rbx,
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Xbyak::util::rsi,
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Xbyak::util::rdi,
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Xbyak::util::rbp,
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Xbyak::util::r12,
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Xbyak::util::r13,
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Xbyak::util::r14,
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Xbyak::util::r15,
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// XMMs
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Xbyak::util::xmm6,
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Xbyak::util::xmm7,
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Xbyak::util::xmm8,
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Xbyak::util::xmm9,
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Xbyak::util::xmm10,
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Xbyak::util::xmm11,
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Xbyak::util::xmm12,
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Xbyak::util::xmm13,
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Xbyak::util::xmm14,
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Xbyak::util::xmm15,
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});
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constexpr std::size_t ABI_SHADOW_SPACE = 0x20;
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#else
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// System V x86-64 ABI
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const Xbyak::Reg ABI_RETURN = Xbyak::util::rax;
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const Xbyak::Reg ABI_PARAM1 = Xbyak::util::rdi;
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const Xbyak::Reg ABI_PARAM2 = Xbyak::util::rsi;
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const Xbyak::Reg ABI_PARAM3 = Xbyak::util::rdx;
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const Xbyak::Reg ABI_PARAM4 = Xbyak::util::rcx;
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const BitSet32 ABI_ALL_CALLER_SAVED = BuildRegSet({
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// GPRs
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Xbyak::util::rcx,
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Xbyak::util::rdx,
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Xbyak::util::rdi,
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Xbyak::util::rsi,
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Xbyak::util::r8,
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Xbyak::util::r9,
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Xbyak::util::r10,
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Xbyak::util::r11,
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// XMMs
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Xbyak::util::xmm0,
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Xbyak::util::xmm1,
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Xbyak::util::xmm2,
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Xbyak::util::xmm3,
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Xbyak::util::xmm4,
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Xbyak::util::xmm5,
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Xbyak::util::xmm6,
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Xbyak::util::xmm7,
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Xbyak::util::xmm8,
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Xbyak::util::xmm9,
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Xbyak::util::xmm10,
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Xbyak::util::xmm11,
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Xbyak::util::xmm12,
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Xbyak::util::xmm13,
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Xbyak::util::xmm14,
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Xbyak::util::xmm15,
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});
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const BitSet32 ABI_ALL_CALLEE_SAVED = BuildRegSet({
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// GPRs
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Xbyak::util::rbx,
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Xbyak::util::rbp,
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Xbyak::util::r12,
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Xbyak::util::r13,
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Xbyak::util::r14,
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Xbyak::util::r15,
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});
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constexpr std::size_t ABI_SHADOW_SPACE = 0;
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#endif
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inline void ABI_CalculateFrameSize(BitSet32 regs, std::size_t rsp_alignment,
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std::size_t needed_frame_size, s32* out_subtraction,
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s32* out_xmm_offset) {
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int count = (regs & ABI_ALL_GPRS).Count();
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rsp_alignment -= count * 8;
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std::size_t subtraction = 0;
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int xmm_count = (regs & ABI_ALL_XMMS).Count();
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if (xmm_count) {
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// If we have any XMMs to save, we must align the stack here.
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subtraction = rsp_alignment & 0xF;
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}
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subtraction += 0x10 * xmm_count;
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std::size_t xmm_base_subtraction = subtraction;
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subtraction += needed_frame_size;
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subtraction += ABI_SHADOW_SPACE;
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// Final alignment.
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rsp_alignment -= subtraction;
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subtraction += rsp_alignment & 0xF;
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*out_subtraction = (s32)subtraction;
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*out_xmm_offset = (s32)(subtraction - xmm_base_subtraction);
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}
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inline std::size_t ABI_PushRegistersAndAdjustStack(Xbyak::CodeGenerator& code, BitSet32 regs,
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std::size_t rsp_alignment,
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std::size_t needed_frame_size = 0) {
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s32 subtraction, xmm_offset;
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ABI_CalculateFrameSize(regs, rsp_alignment, needed_frame_size, &subtraction, &xmm_offset);
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for (int reg_index : (regs & ABI_ALL_GPRS)) {
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code.push(IndexToReg64(reg_index));
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}
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if (subtraction != 0) {
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code.sub(code.rsp, subtraction);
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}
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for (int reg_index : (regs & ABI_ALL_XMMS)) {
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code.movaps(code.xword[code.rsp + xmm_offset], IndexToXmm(reg_index));
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xmm_offset += 0x10;
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}
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return ABI_SHADOW_SPACE;
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}
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inline void ABI_PopRegistersAndAdjustStack(Xbyak::CodeGenerator& code, BitSet32 regs,
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std::size_t rsp_alignment,
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std::size_t needed_frame_size = 0) {
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s32 subtraction, xmm_offset;
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ABI_CalculateFrameSize(regs, rsp_alignment, needed_frame_size, &subtraction, &xmm_offset);
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for (int reg_index : (regs & ABI_ALL_XMMS)) {
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code.movaps(IndexToXmm(reg_index), code.xword[code.rsp + xmm_offset]);
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xmm_offset += 0x10;
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}
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if (subtraction != 0) {
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code.add(code.rsp, subtraction);
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}
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// GPRs need to be popped in reverse order
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for (int reg_index = 15; reg_index >= 0; reg_index--) {
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if (regs[reg_index]) {
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code.pop(IndexToReg64(reg_index));
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}
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}
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}
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} // namespace Common::X64
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@ -1,47 +0,0 @@
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// Copyright 2016 Citra Emulator Project
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// Licensed under GPLv2 or any later version
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// Refer to the license.txt file included.
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#pragma once
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#include <type_traits>
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#include <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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inline bool IsWithin2G(uintptr_t ref, uintptr_t target) {
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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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std::size_t addr = reinterpret_cast<std::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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