dolphin/Source/Core/Core/MachineContext.h
Skyler Saleh 4ecb3084b7 Apple M1 Support for MacOS
This commit adds support for compiling Dolphin for ARM on MacOS so that it can
run natively on the M1 processors without running through Rosseta2 emulation
providing a 30-50% performance speedup and less hitches from Rosseta2.

It consists of several key changes:

- Adding support for W^X allocation(MAP_JIT) for the ARM JIT
- Adding the machine context and config info to identify the M1 processor
- Additions to the build system and docs to support building universal binaries
- Adding code signing entitlements to access the MAP_JIT functionality
- Updating the MoltenVK libvulkan.dylib to a newer version with M1 support
2021-05-22 15:25:17 -07:00

250 lines
6.1 KiB
C

// Copyright 2008 Dolphin Emulator Project
// Licensed under GPLv2+
// Refer to the license.txt file included.
#pragma once
#include "Common/CommonTypes.h"
// meh.
#if defined(_M_GENERIC)
// JitBase uses SContext; it should have no concrete implementations in a
// generic build.
struct FakeGenericContext;
typedef FakeGenericContext SContext;
#elif defined(_WIN32)
#include <windows.h>
typedef CONTEXT SContext;
#if _M_X86_64
#define CTX_RAX Rax
#define CTX_RBX Rbx
#define CTX_RCX Rcx
#define CTX_RDX Rdx
#define CTX_RDI Rdi
#define CTX_RSI Rsi
#define CTX_RBP Rbp
#define CTX_RSP Rsp
#define CTX_R8 R8
#define CTX_R9 R9
#define CTX_R10 R10
#define CTX_R11 R11
#define CTX_R12 R12
#define CTX_R13 R13
#define CTX_R14 R14
#define CTX_R15 R15
#define CTX_RIP Rip
#elif _M_ARM64
#define CTX_REG(x) X[x]
#define CTX_LR X[30]
#define CTX_SP Sp
#define CTX_PC Pc
#else
#error No context definition for architecture
#endif
#elif defined(__APPLE__) && !defined(USE_SIGACTION_ON_APPLE)
// for modules:
#define _XOPEN_SOURCE
#include <ucontext.h>
#include <mach/mach.h>
#include <mach/message.h>
#if _M_X86_64
typedef x86_thread_state64_t SContext;
#define CTX_RAX __rax
#define CTX_RBX __rbx
#define CTX_RCX __rcx
#define CTX_RDX __rdx
#define CTX_RDI __rdi
#define CTX_RSI __rsi
#define CTX_RBP __rbp
#define CTX_RSP __rsp
#define CTX_R8 __r8
#define CTX_R9 __r9
#define CTX_R10 __r10
#define CTX_R11 __r11
#define CTX_R12 __r12
#define CTX_R13 __r13
#define CTX_R14 __r14
#define CTX_R15 __r15
#define CTX_RIP __rip
#elif _M_ARM_64
typedef arm_thread_state64_t SContext;
#define CTX_REG(x) __x[x]
#define CTX_LR __x[30]
#define CTX_SP __sp
#define CTX_PC __pc
#else
#error No context definition for architecture
#endif
#elif defined(__APPLE__)
#include <signal.h>
typedef _STRUCT_MCONTEXT64 SContext;
#define CTX_RAX __ss.__rax
#define CTX_RBX __ss.__rbx
#define CTX_RCX __ss.__rcx
#define CTX_RDX __ss.__rdx
#define CTX_RDI __ss.__rdi
#define CTX_RSI __ss.__rsi
#define CTX_RBP __ss.__rbp
#define CTX_RSP __ss.__rsp
#define CTX_R8 __ss.__r8
#define CTX_R9 __ss.__r9
#define CTX_R10 __ss.__r10
#define CTX_R11 __ss.__r11
#define CTX_R12 __ss.__r12
#define CTX_R13 __ss.__r13
#define CTX_R14 __ss.__r14
#define CTX_R15 __ss.__r15
#define CTX_RIP __ss.__rip
#elif defined(__linux__)
#include <signal.h>
#include <ucontext.h>
typedef mcontext_t SContext;
#if _M_X86_64
#define CTX_RAX gregs[REG_RAX]
#define CTX_RBX gregs[REG_RBX]
#define CTX_RCX gregs[REG_RCX]
#define CTX_RDX gregs[REG_RDX]
#define CTX_RDI gregs[REG_RDI]
#define CTX_RSI gregs[REG_RSI]
#define CTX_RBP gregs[REG_RBP]
#define CTX_RSP gregs[REG_RSP]
#define CTX_R8 gregs[REG_R8]
#define CTX_R9 gregs[REG_R9]
#define CTX_R10 gregs[REG_R10]
#define CTX_R11 gregs[REG_R11]
#define CTX_R12 gregs[REG_R12]
#define CTX_R13 gregs[REG_R13]
#define CTX_R14 gregs[REG_R14]
#define CTX_R15 gregs[REG_R15]
#define CTX_RIP gregs[REG_RIP]
#elif _M_ARM_64
#define CTX_REG(x) regs[x]
#define CTX_LR regs[30]
#define CTX_SP sp
#define CTX_PC pc
#else
#error No context definition for architecture
#endif
#elif defined(__OpenBSD__)
#include <signal.h>
typedef ucontext_t SContext;
#if _M_X86_64
#define CTX_RAX sc_rax
#define CTX_RBX sc_rbx
#define CTX_RCX sc_rcx
#define CTX_RDX sc_rdx
#define CTX_RDI sc_rdi
#define CTX_RSI sc_rsi
#define CTX_RBP sc_rbp
#define CTX_RSP sc_rsp
#define CTX_R8 sc_r8
#define CTX_R9 sc_r9
#define CTX_R10 sc_r10
#define CTX_R11 sc_r11
#define CTX_R12 sc_r12
#define CTX_R13 sc_r13
#define CTX_R14 sc_r14
#define CTX_R15 sc_r15
#define CTX_RIP sc_rip
#else
#error No context definition for architecture
#endif
#elif defined(__NetBSD__)
#include <ucontext.h>
typedef mcontext_t SContext;
#if _M_X86_64
#define CTX_RAX __gregs[_REG_RAX]
#define CTX_RBX __gregs[_REG_RBX]
#define CTX_RCX __gregs[_REG_RCX]
#define CTX_RDX __gregs[_REG_RDX]
#define CTX_RDI __gregs[_REG_RDI]
#define CTX_RSI __gregs[_REG_RSI]
#define CTX_RBP __gregs[_REG_RBP]
#define CTX_RSP __gregs[_REG_RSP]
#define CTX_R8 __gregs[_REG_R8]
#define CTX_R9 __gregs[_REG_R9]
#define CTX_R10 __gregs[_REG_R10]
#define CTX_R11 __gregs[_REG_R11]
#define CTX_R12 __gregs[_REG_R12]
#define CTX_R13 __gregs[_REG_R13]
#define CTX_R14 __gregs[_REG_R14]
#define CTX_R15 __gregs[_REG_R15]
#define CTX_RIP __gregs[_REG_RIP]
#else
#error No context definition for architecture
#endif
#elif defined(__FreeBSD__)
#include <ucontext.h>
typedef mcontext_t SContext;
#if _M_X86_64
#define CTX_RAX mc_rax
#define CTX_RBX mc_rbx
#define CTX_RCX mc_rcx
#define CTX_RDX mc_rdx
#define CTX_RDI mc_rdi
#define CTX_RSI mc_rsi
#define CTX_RBP mc_rbp
#define CTX_RSP mc_rsp
#define CTX_R8 mc_r8
#define CTX_R9 mc_r9
#define CTX_R10 mc_r10
#define CTX_R11 mc_r11
#define CTX_R12 mc_r12
#define CTX_R13 mc_r13
#define CTX_R14 mc_r14
#define CTX_R15 mc_r15
#define CTX_RIP mc_rip
#elif _M_ARM_64
#define CTX_REG(x) mc_gpregs.gp_x[x]
#define CTX_LR mc_gpregs.gp_lr
#define CTX_SP mc_gpregs.gp_sp
#define CTX_PC mc_gpregs.gp_elr
#else
#error No context definition for architecture
#endif
#elif defined(__HAIKU__)
#include <signal.h>
typedef mcontext_t SContext;
#if _M_X86_64
#define CTX_RAX rax
#define CTX_RBX rbx
#define CTX_RCX rcx
#define CTX_RDX rdx
#define CTX_RDI rdi
#define CTX_RSI rsi
#define CTX_RBP rbp
#define CTX_RSP rsp
#define CTX_R8 r8
#define CTX_R9 r9
#define CTX_R10 r10
#define CTX_R11 r11
#define CTX_R12 r12
#define CTX_R13 r13
#define CTX_R14 r14
#define CTX_R15 r15
#define CTX_RIP rip
#else
#error No context definition for machine
#endif
#else
#error No context definition for OS
#endif
#if _M_X86_64
#include <stddef.h>
#define CTX_PC CTX_RIP
static inline u64* ContextRN(SContext* ctx, int n)
{
static const u8 offsets[] = {
offsetof(SContext, CTX_RAX), offsetof(SContext, CTX_RCX), offsetof(SContext, CTX_RDX),
offsetof(SContext, CTX_RBX), offsetof(SContext, CTX_RSP), offsetof(SContext, CTX_RBP),
offsetof(SContext, CTX_RSI), offsetof(SContext, CTX_RDI), offsetof(SContext, CTX_R8),
offsetof(SContext, CTX_R9), offsetof(SContext, CTX_R10), offsetof(SContext, CTX_R11),
offsetof(SContext, CTX_R12), offsetof(SContext, CTX_R13), offsetof(SContext, CTX_R14),
offsetof(SContext, CTX_R15)};
return (u64*)((char*)ctx + offsets[n]);
}
#endif