199 lines
4.7 KiB
C
199 lines
4.7 KiB
C
/*
|
|
* Apple // emulator for *ix
|
|
*
|
|
* This software package is subject to the GNU General Public License
|
|
* version 3 or later (your choice) as published by the Free Software
|
|
* Foundation.
|
|
*
|
|
* Copyright 2013-2015 Aaron Culliney
|
|
*
|
|
*/
|
|
|
|
#ifndef _COMMON_H_
|
|
#define _COMMON_H_
|
|
|
|
#if defined(__GNUC__) && !defined(_GNU_SOURCE)
|
|
# define _GNU_SOURCE 1
|
|
#endif
|
|
|
|
// custom annotations
|
|
#define INOUT
|
|
#define INPARM
|
|
#define _NONNULL
|
|
#define _NULLABLE
|
|
#define OUTPARM
|
|
#define PRIVATE
|
|
#define PUBLIC
|
|
#define READONLY
|
|
|
|
#define CALL_ON_UI_THREAD // function should only be called on UI thread
|
|
#define ASSERT_ON_UI_THREAD() \
|
|
assert(video_isRenderThread())
|
|
#define ASSERT_NOT_ON_UI_THREAD() \
|
|
assert(!video_isRenderThread())
|
|
|
|
#define CALL_ON_CPU_THREAD // function should only be called on CPU thread
|
|
#define ASSERT_ON_CPU_THREAD() \
|
|
assert(timing_isCPUThread())
|
|
#define ASSERT_NOT_ON_CPU_THREAD() \
|
|
assert(!timing_isCPUThread())
|
|
|
|
#ifdef HAVE_CONFIG_H
|
|
#include "config.h"
|
|
#endif
|
|
|
|
#include <stdlib.h>
|
|
#include <stdio.h>
|
|
#include <errno.h>
|
|
#include <string.h>
|
|
#include <stdint.h>
|
|
#include <stdbool.h>
|
|
#include <time.h>
|
|
#include <unistd.h>
|
|
#include <assert.h>
|
|
#include <pthread.h>
|
|
#include <ctype.h>
|
|
#include <dirent.h>
|
|
#include <fcntl.h>
|
|
#include <limits.h>
|
|
#include <math.h>
|
|
|
|
#include <zlib.h>
|
|
|
|
#include <sys/time.h>
|
|
#include <sys/types.h>
|
|
#include <sys/stat.h>
|
|
|
|
#include "json_parse.h"
|
|
#include "misc.h"
|
|
#include "vm.h"
|
|
#include "timing.h"
|
|
#include "cpu.h"
|
|
#include "interface.h"
|
|
#include "display.h"
|
|
#include "video/video.h"
|
|
#include "disk.h"
|
|
#include "keys.h"
|
|
#include "joystick.h"
|
|
#include "glue.h"
|
|
#include "prefs.h"
|
|
#include "zlib-helpers.h"
|
|
|
|
#include "meta/systrace.h"
|
|
|
|
#if __APPLE__
|
|
# include "meta/darwin-shim.h"
|
|
# if TARGET_OS_MAC || TARGET_OS_PHONE
|
|
# import <CoreFoundation/CoreFoundation.h>
|
|
# endif
|
|
#endif
|
|
|
|
#if VIDEO_OPENGL
|
|
# include "video_util/glUtil.h"
|
|
#endif
|
|
|
|
#include "meta/log.h"
|
|
#include "meta/debug.h"
|
|
|
|
#include "audio/soundcore.h"
|
|
#include "audio/speaker.h"
|
|
#include "audio/mockingboard.h"
|
|
|
|
#ifdef ANDROID
|
|
# include "../Android/jni/android_globals.h"
|
|
# define USE_SIMD 1
|
|
# define SIMD_IS_AVAILABLE() (android_armNeonEnabled/* || android_x86SSSE3Enabled*/)
|
|
#else
|
|
# define SIMD_IS_AVAILABLE()
|
|
#endif
|
|
|
|
#define PATH_SEPARATOR "/" // =P
|
|
|
|
#if !defined(MIN)
|
|
#define MIN(a,b) (((a) <= (b)) ? (a) : (b))
|
|
#endif
|
|
|
|
#if !defined(MAX)
|
|
#define MAX(a,b) (((a) >= (b)) ? (a) : (b))
|
|
#endif
|
|
|
|
#define SPINLOCK_INIT 0L
|
|
|
|
/*
|
|
https://gcc.gnu.org/onlinedocs/gcc/_005f_005fsync-Builtins.html
|
|
|
|
"In most cases, these built-in functions are considered a full barrier. That is, no memory operand is moved across
|
|
the operation, either forward or backward. Further, instructions are issued as necessary to prevent the processor
|
|
from speculating loads across the operation and from queuing stores after the operation."
|
|
*/
|
|
#define SPIN_LOCK_FULL(x) \
|
|
do { \
|
|
long prev = __sync_fetch_and_or((x), 1L); \
|
|
if (prev == SPINLOCK_INIT) { \
|
|
break; \
|
|
} \
|
|
usleep(1); \
|
|
} while (1)
|
|
|
|
#define SPIN_UNLOCK_FULL(x) \
|
|
__sync_fetch_and_and((x), SPINLOCK_INIT)
|
|
|
|
// cribbed from AOSP and modified with usleep() and to also ignore EAGAIN (should this be a different errno than EINTR)
|
|
#define TEMP_FAILURE_RETRY_FOPEN(exp) ({ \
|
|
typeof (exp) _rc; \
|
|
do { \
|
|
_rc = (exp); \
|
|
if (_rc == NULL && (errno == EINTR || errno == EAGAIN) ) { \
|
|
usleep(10); \
|
|
} else { \
|
|
break; \
|
|
} \
|
|
} while (1); \
|
|
_rc; })
|
|
|
|
|
|
// memory management
|
|
#include "meta/memmngt.h"
|
|
|
|
// branch prediction
|
|
#define LIKELY(x) __builtin_expect((x), true)
|
|
#define UNLIKELY(x) __builtin_expect((x), false)
|
|
|
|
#if !defined(TEMP_FAILURE_RETRY)
|
|
# define TEMP_FAILURE_RETRY(exp) ({ \
|
|
typeof (exp) _rc; \
|
|
do { \
|
|
_rc = (exp); \
|
|
if (_rc == -1 && (errno == EINTR || errno == EAGAIN) ) { \
|
|
usleep(10); \
|
|
} else { \
|
|
break; \
|
|
} \
|
|
} while (1); \
|
|
_rc; })
|
|
#endif
|
|
|
|
#define _STRINGIFY(x) #x
|
|
|
|
// diagnostic suppression
|
|
#if defined(__clang__)
|
|
// NOTE: check for Clang first, since it also defines __GNUC__
|
|
# define DIAGNOSTIC_SUPPRESS_PUSH(clang_diag, gcc_diag) \
|
|
_Pragma("clang diagnostic push") \
|
|
_Pragma(_STRINGIFY(clang diagnostic ignored clang_diag))
|
|
# define DIAGNOSTIC_SUPPRESS_POP() \
|
|
_Pragma("clang diagnostic pop")
|
|
#elif defined(__GNUC__)
|
|
# define DIAGNOSTIC_SUPPRESS_PUSH(clang_diag, gcc_diag) \
|
|
_Pragma("GCC diagnostic push") \
|
|
_Pragma(_STRINGIFY(GCC diagnostic ignored gcc_diag))
|
|
|
|
# define DIAGNOSTIC_SUPPRESS_POP() \
|
|
_Pragma("GCC diagnostic pop")
|
|
#else
|
|
# error "unknown possibly unsupported compiler!"
|
|
#endif
|
|
|
|
#endif // whole file
|
|
|