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| 1 | +// |
| 2 | +// common.h: Common definitions and such. |
| 3 | +// |
| 4 | +// CEN64: Cycle-Accurate Nintendo 64 Emulator. |
| 5 | +// Copyright (C) 2015, Tyler J. Stachecki. |
| 6 | +// |
| 7 | +// This file is subject to the terms and conditions defined in |
| 8 | +// 'LICENSE', which is part of this source code package. |
| 9 | +// |
| 10 | + |
| 11 | +#ifndef __common_h__ |
| 12 | +#define __common_h__ |
| 13 | + |
| 14 | +#define tostring(s) #s |
| 15 | +#define stringify(s) tostring(s) |
| 16 | + |
| 17 | +#ifdef _MSC_VER |
| 18 | +#define inline _inline |
| 19 | +#endif |
| 20 | + |
| 21 | +#ifndef __cplusplus |
| 22 | +#include <assert.h> |
| 23 | +#include <stddef.h> |
| 24 | +#include <stdlib.h> |
| 25 | +#include <stdint.h> |
| 26 | +#include <stdio.h> |
| 27 | +#include <string.h> |
| 28 | +#else |
| 29 | +#include <cassert> |
| 30 | +#include <cstddef> |
| 31 | +#include <cstdlib> |
| 32 | +#include <cstdint> |
| 33 | +#include <cstdio> |
| 34 | +#include <cstring> |
| 35 | +#endif |
| 36 | + |
| 37 | +#ifndef _MSC_VER |
| 38 | +#ifndef __cplusplus |
| 39 | +#include <stdbool.h> |
| 40 | +#else |
| 41 | +#include <cstdbool> |
| 42 | +#endif |
| 43 | + |
| 44 | +#else |
| 45 | +typedef char bool; |
| 46 | +#define false 0 |
| 47 | +#define true 1 |
| 48 | +#endif |
| 49 | + |
| 50 | +#ifdef __llvm__ |
| 51 | +#define CEN64_COMPILER "llvm-" stringify(__clang_major__)"." \ |
| 52 | + stringify(__clang_minor__)"." stringify(__clang_patchlevel__) |
| 53 | +#elif defined(__GNUC__) |
| 54 | +#define CEN64_COMPILER "gcc-" stringify(__GNUC__)"." \ |
| 55 | + stringify(__GNUC_MINOR__)"." stringify(__GNUC_PATCHLEVEL__) |
| 56 | +#elif defined(_MSC_VER) |
| 57 | +#if _MSC_VER < 1300 |
| 58 | +#define CEN64_COMPILER "MSVC 6.0" |
| 59 | +#elif _MSC_VER < 1500 |
| 60 | +#define CEN64_COMPILER "MSVC 2005" |
| 61 | +#elif _MSC_VER < 1600 |
| 62 | +#define CEN64_COMPILER "MSVC 2008" |
| 63 | +#elif _MSC_VER < 1700 |
| 64 | +#define CEN64_COMPILER "MSVC 2010" |
| 65 | +#elif _MSC_VER < 1800 |
| 66 | +#define CEN64_COMPILER "MSVC 2012" |
| 67 | +#elif _MSC_VER < 1900 |
| 68 | +#define CEN64_COMPILER "MSVC 2013" |
| 69 | +#elif _MSC_VER < 2000 |
| 70 | +#define CEN64_COMPILER "MSVC 2014" |
| 71 | +#else |
| 72 | +#define CEN64_COMPILER "MSVC" |
| 73 | +#endif |
| 74 | +#else |
| 75 | +#define CEN64_COMPILER "Unknown" |
| 76 | +#endif |
| 77 | + |
| 78 | +#cmakedefine CEN64_ARCH_DIR "@CEN64_ARCH_DIR@" |
| 79 | +#cmakedefine CEN64_ARCH_SUPPORT "@CEN64_ARCH_SUPPORT@" |
| 80 | + |
| 81 | +#define CACHE_LINE_SIZE 64 |
| 82 | + |
| 83 | +// Define cen64_align(). |
| 84 | +#ifdef _MSC_VER |
| 85 | +#define cen64_align(decl, value) __declspec(align(value)) decl |
| 86 | + |
| 87 | +#elif (defined __GNUC__) |
| 88 | +#define cen64_align(decl, value) decl __attribute__ ((aligned(value))) |
| 89 | + |
| 90 | +#else |
| 91 | +#define cen64_align(decl, value) decl value |
| 92 | +#endif |
| 93 | + |
| 94 | +// Define cen64_cold and cen64_hot. |
| 95 | +#ifdef __GNUC__ |
| 96 | +#define cen64_cold __attribute__((cold)) |
| 97 | +#define cen64_hot __attribute__((hot)) |
| 98 | +#else |
| 99 | +#define cen64_cold |
| 100 | +#define cen64_hot |
| 101 | +#endif |
| 102 | + |
| 103 | +// Define cen64_flatten. |
| 104 | +#ifdef __GNUC__ |
| 105 | +#define cen64_flatten __attribute__((flatten)) |
| 106 | +#else |
| 107 | +#define cen64_flatten |
| 108 | +#endif |
| 109 | + |
| 110 | +// Define likely()/unlikely(). |
| 111 | +#ifdef __GNUC__ |
| 112 | +#define likely(expr) __builtin_expect(!!(expr), !0) |
| 113 | +#define unlikely(expr) __builtin_expect(!!(expr), 0) |
| 114 | + |
| 115 | +#else |
| 116 | +#define likely(expr) expr |
| 117 | +#define unlikely(expr) expr |
| 118 | +#endif |
| 119 | + |
| 120 | +// Define unused(). |
| 121 | +#ifdef __GNUC__ |
| 122 | +#define unused(decl) __attribute__((unused)) decl |
| 123 | +#else |
| 124 | +#define unused(decl) decl |
| 125 | +#endif |
| 126 | + |
| 127 | +// Byte order swap functions. |
| 128 | +#ifdef BIG_ENDIAN_HOST |
| 129 | +#define WORD_ADDR_XOR 0 |
| 130 | +#else |
| 131 | +#define WORD_ADDR_XOR 4 |
| 132 | +#endif |
| 133 | + |
| 134 | +#ifndef _MSC_VER |
| 135 | +#ifdef BIG_ENDIAN_HOST |
| 136 | +#define htonll(x) (x) |
| 137 | +#define ntohll(x) (x) |
| 138 | +#else |
| 139 | +#ifndef __APPLE__ |
| 140 | +#define htonll(x) __builtin_bswap64(x) |
| 141 | +#define ntohll(x) __builtin_bswap64(x) |
| 142 | +#endif |
| 143 | +#endif |
| 144 | +#endif |
| 145 | + |
| 146 | +#ifdef __GNUC__ |
| 147 | +__attribute__((pure)) |
| 148 | +#endif |
| 149 | +static inline uint32_t byteswap_32(uint32_t word) { |
| 150 | +#ifdef BIG_ENDIAN_HOST |
| 151 | + return word; |
| 152 | +#elif defined(_MSC_VER) |
| 153 | + return _byteswap_ulong(word); |
| 154 | +#elif defined(__GNUC__) |
| 155 | + return __builtin_bswap32(word); |
| 156 | +#else |
| 157 | + return |
| 158 | + (((((word) >> 24) & 0x000000FF) | \ |
| 159 | + (((word) >> 8) & 0x0000FF00) | \ |
| 160 | + (((word) << 8) & 0x00FF0000) | \ |
| 161 | + (((word) << 24) & 0xFF000000)); |
| 162 | +#endif |
| 163 | +} |
| 164 | + |
| 165 | +#ifdef __GNUC__ |
| 166 | +__attribute__((pure)) |
| 167 | +#endif |
| 168 | +static inline uint16_t byteswap_16(uint16_t hword) { |
| 169 | +#ifdef BIG_ENDIAN_HOST |
| 170 | + return hword; |
| 171 | +#elif defined(_MSC_VER) |
| 172 | + return _byteswap_ushort(hword); |
| 173 | +#elif defined(__GNUC__) |
| 174 | + return __builtin_bswap16(hword); |
| 175 | +#else |
| 176 | + return |
| 177 | + ((((hword) >> 8) & 0x00FF) | \ |
| 178 | + (((hword) << 8) & 0xFF00)); |
| 179 | +#endif |
| 180 | +} |
| 181 | + |
| 182 | +// Return from simulation function. |
| 183 | +struct bus_controller; |
| 184 | + |
| 185 | +#ifdef __GNUC__ |
| 186 | + __attribute__ ((noreturn)) |
| 187 | +#endif |
| 188 | +void cen64_return(struct bus_controller *bus) |
| 189 | +; |
| 190 | + |
| 191 | +#cmakedefine DEBUG_MMIO_REGISTER_ACCESS |
| 192 | +#ifdef DEBUG_MMIO_REGISTER_ACCESS |
| 193 | +#ifndef __cplusplus |
| 194 | +#include <stdio.h> |
| 195 | +#else |
| 196 | +#include <cstdio> |
| 197 | +#endif |
| 198 | +#define debug_mmio_read(what, mnemonic, val) printf(#what": READ [%s]: 0x%.8X\n", mnemonic, val) |
| 199 | +#define debug_mmio_write(what, mnemonic, val, dqm) printf(#what": WRITE [%s]: 0x%.8X/0x%.8X\n", mnemonic, val, dqm) |
| 200 | +#else |
| 201 | +#define debug_mmio_read(what, mnemonic, val) do {} while (0) |
| 202 | +#define debug_mmio_write(what, mnemonic, val, dqm) do {} while (0) |
| 203 | +#endif |
| 204 | + |
| 205 | +#cmakedefine VR4300_BUSY_WAIT_DETECTION |
| 206 | + |
| 207 | +#include "common/debug.h" |
| 208 | + |
| 209 | +// Common/shared LUT with one-hot semantics. |
| 210 | +// Returns index (0-based) of hot bit, or -1. |
| 211 | +extern const int8_t cen64_one_hot_lut[256]; |
| 212 | + |
| 213 | +#endif |
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