File: common.h.in

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//
// common.h: Common definitions and such.
//
// CEN64: Cycle-Accurate Nintendo 64 Emulator.
// Copyright (C) 2015, Tyler J. Stachecki.
//
// This file is subject to the terms and conditions defined in
// 'LICENSE', which is part of this source code package.
//

#ifndef __common_h__
#define __common_h__

#define tostring(s)	#s
#define stringify(s)	tostring(s)

#ifdef _MSC_VER
#define inline _inline
#endif

#ifndef __cplusplus
#include <assert.h>
#include <stddef.h>
#include <stdlib.h>
#include <stdint.h>
#include <stdio.h>
#include <string.h>
#else
#include <cassert>
#include <cstddef>
#include <cstdlib>
#include <cstdint>
#include <cstdio>
#include <cstring>
#endif

#ifndef _MSC_VER
#ifndef __cplusplus
#include <stdbool.h>
#else
#include <cstdbool>
#endif

#else
typedef char bool;
#define false 0
#define true 1
#endif

#ifdef __llvm__
#define CEN64_COMPILER "llvm-"stringify(__clang_major__)"." \
  stringify(__clang_minor__)"."stringify(__clang_patchlevel__)
#elif defined(__GNUC__)
#define CEN64_COMPILER "gcc-"stringify(__GNUC__)"." \
  stringify(__GNUC_MINOR__)"."stringify(__GNUC_PATCHLEVEL__)
#elif defined(_MSC_VER)
#if _MSC_VER < 1300
#define CEN64_COMPILER "MSVC 6.0"
#elif _MSC_VER < 1500
#define CEN64_COMPILER "MSVC 2005"
#elif _MSC_VER < 1600
#define CEN64_COMPILER "MSVC 2008"
#elif _MSC_VER < 1700
#define CEN64_COMPILER "MSVC 2010"
#elif _MSC_VER < 1800
#define CEN64_COMPILER "MSVC 2012"
#elif _MSC_VER < 1900
#define CEN64_COMPILER "MSVC 2013"
#elif _MSC_VER < 2000
#define CEN64_COMPILER "MSVC 2014"
#else
#define CEN64_COMPILER "MSVC"
#endif
#else
#define CEN64_COMPILER "Unknown"
#endif

#cmakedefine CEN64_ARCH_DIR "@CEN64_ARCH_DIR@"
#cmakedefine CEN64_ARCH_SUPPORT "@CEN64_ARCH_SUPPORT@"

#define CACHE_LINE_SIZE 64

// Define cen64_align().
#ifdef _MSC_VER
#define cen64_align(decl, value) __declspec(align(value)) decl

#elif (defined __GNUC__)
#define cen64_align(decl, value) decl __attribute__ ((aligned(value)))

#else
#define cen64_align(decl, value) decl value
#endif

// Define cen64_cold and cen64_hot.
#ifdef __GNUC__
#define cen64_cold __attribute__((cold))
#define cen64_hot __attribute__((hot))
#else
#define cen64_cold
#define cen64_hot
#endif

// Define cen64_flatten.
#ifdef __GNUC__
#define cen64_flatten __attribute__((flatten))
#else
#define cen64_flatten
#endif

// Define likely()/unlikely().
#ifdef __GNUC__
#define likely(expr) __builtin_expect(!!(expr), !0)
#define unlikely(expr) __builtin_expect(!!(expr), 0)

#else
#define likely(expr) expr
#define unlikely(expr) expr
#endif

// Define unused().
#ifdef __GNUC__
#define unused(decl) __attribute__((unused)) decl
#else
#define unused(decl) decl
#endif

// Byte order swap functions.
#ifdef BIG_ENDIAN_HOST
#define WORD_ADDR_XOR 0
#else
#define WORD_ADDR_XOR 4
#endif

#ifndef _MSC_VER
#ifdef BIG_ENDIAN_HOST
#define htonll(x) (x)
#define ntohll(x) (x)
#else
#ifndef __APPLE__
#define htonll(x) __builtin_bswap64(x)
#define ntohll(x) __builtin_bswap64(x)
#endif
#endif
#endif

#ifdef __GNUC__
__attribute__((pure))
#endif
static inline uint32_t byteswap_32(uint32_t word) {
#ifdef BIG_ENDIAN_HOST
  return word;
#elif defined(_MSC_VER)
  return _byteswap_ulong(word);
#elif defined(__GNUC__)
  return __builtin_bswap32(word);
#else
  return
  (((((word) >> 24) & 0x000000FF) | \
    (((word) >>  8) & 0x0000FF00) | \
    (((word) <<  8) & 0x00FF0000) | \
    (((word) << 24) & 0xFF000000));
#endif
}

// Return from simulation function.
struct bus_controller;

#ifdef __GNUC__
 __attribute__ ((noreturn))
#endif
void cen64_return(struct bus_controller *bus)
;

#cmakedefine DEBUG_MMIO_REGISTER_ACCESS
#ifdef DEBUG_MMIO_REGISTER_ACCESS
#ifndef __cplusplus
#include <stdio.h>
#else
#include <cstdio>
#endif
#define debug_mmio_read(what, mnemonic, val) printf(#what": READ [%s]: 0x%.8X\n", mnemonic, val)
#define debug_mmio_write(what, mnemonic, val, dqm) printf(#what": WRITE [%s]: 0x%.8X/0x%.8X\n", mnemonic, val, dqm)
#else
#define debug_mmio_read(what, mnemonic, val) do {} while (0)
#define debug_mmio_write(what, mnemonic, val, dqm) do {} while (0)
#endif

#cmakedefine VR4300_BUSY_WAIT_DETECTION

#include "common/debug.h"

// Common/shared LUT with one-hot semantics.
// Returns index (0-based) of hot bit, or -1.
extern const int8_t cen64_one_hot_lut[256];

#endif