Macintosh-Tools/macemu
1
0
Fork 0
mirror of https://github.com/kanjitalk755/macemu.git synced 2025-02-16 14:30:34 +00:00
Code Issues Projects Releases Wiki Activity

SS: deleted sigsegv.cpp and lowmem.c from list of "make links"

Browse Source
This commit is contained in:
kanjitalk755 2020-02-10 21:48:32 +09:00
parent 7b13571587
commit 28e0485156
2 changed files with 3 additions and 403 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
SheepShaver/Makefile
View File

@ -61,7 +61,7 @@ links:
BeOS/audio_beos.cpp BeOS/extfs_beos.cpp BeOS/scsi_beos.cpp \
BeOS/serial_beos.cpp BeOS/sys_beos.cpp BeOS/timer_beos.cpp \
BeOS/xpram_beos.cpp BeOS/SheepDriver BeOS/SheepNet \
CrossPlatform/sigsegv.h CrossPlatform/sigsegv.cpp CrossPlatform/vm_alloc.h CrossPlatform/vm_alloc.cpp \
CrossPlatform/sigsegv.h CrossPlatform/vm_alloc.h CrossPlatform/vm_alloc.cpp \
CrossPlatform/video_vosf.h CrossPlatform/video_blit.h CrossPlatform/video_blit.cpp \
Unix/audio_oss_esd.cpp Unix/bincue_unix.cpp Unix/bincue_unix.h \
Unix/vhd_unix.cpp \
@ -74,7 +74,7 @@ links:
Unix/rpc.h Unix/rpc_unix.cpp Unix/ldscripts \
Unix/tinyxml2.h Unix/tinyxml2.cpp Unix/disk_unix.h \
Unix/disk_sparsebundle.cpp Unix/Darwin/mkstandalone \
Unix/Darwin/lowmem.c Unix/Darwin/pagezero.c Unix/Darwin/testlmem.sh \
Unix/Darwin/pagezero.c Unix/Darwin/testlmem.sh \
dummy/audio_dummy.cpp dummy/clip_dummy.cpp dummy/serial_dummy.cpp \
dummy/prefs_editor_dummy.cpp dummy/scsi_dummy.cpp SDL slirp \
MacOSX/sys_darwin.cpp MacOSX/clip_macosx.cpp MacOSX/clip_macosx64.mm \

401
SheepShaver/src/Unix/timer_unix.cpp
View File

@ -1,401 +0,0 @@
/*
* timer_unix.cpp - Time Manager emulation, Unix specific stuff
*
* Basilisk II (C) 1997-2008 Christian Bauer
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include "sysdeps.h"
#include "macos_util.h"
#include "timer.h"
#include <errno.h>
#define DEBUG 0
#include "debug.h"
// For NetBSD with broken pthreads headers
#ifndef CLOCK_REALTIME
#define CLOCK_REALTIME 0
#endif
#if defined(__MACH__)
#include <mach/mach.h>
#include <mach/clock.h>
static clock_serv_t host_clock;
static bool host_clock_inited = false;
static inline void mach_current_time(tm_time_t &t) {
if(!host_clock_inited) {
host_get_clock_service(mach_host_self(), SYSTEM_CLOCK, &host_clock);
host_clock_inited = true;
}
clock_get_time(host_clock, (mach_timespec_t *)&t);
}
#endif
/*
* Return microseconds since boot (64 bit)
*/
void Microseconds(uint32 &hi, uint32 &lo)
{
D(bug("Microseconds\n"));
#if defined(__MACH__)
tm_time_t t;
mach_current_time(t);
uint64 tl = (uint64)t.tv_sec * 1000000 + t.tv_nsec / 1000;
#elif defined(HAVE_CLOCK_GETTIME)
struct timespec t;
clock_gettime(CLOCK_REALTIME, &t);
uint64 tl = (uint64)t.tv_sec * 1000000 + t.tv_nsec / 1000;
#else
struct timeval t;
gettimeofday(&t, NULL);
uint64 tl = (uint64)t.tv_sec * 1000000 + t.tv_usec;
#endif
hi = tl >> 32;
lo = tl;
}
/*
* Return local date/time in Mac format (seconds since 1.1.1904)
*/
uint32 TimerDateTime(void)
{
return TimeToMacTime(time(NULL));
}
/*
* Get current time
*/
void timer_current_time(tm_time_t &t)
{
#if defined(__MACH__)
mach_current_time(t);
#elif defined(HAVE_CLOCK_GETTIME)
clock_gettime(CLOCK_REALTIME, &t);
#else
gettimeofday(&t, NULL);
#endif
}
/*
* Add times
*/
void timer_add_time(tm_time_t &res, tm_time_t a, tm_time_t b)
{
#if defined(HAVE_CLOCK_GETTIME) || defined(__MACH__)
res.tv_sec = a.tv_sec + b.tv_sec;
res.tv_nsec = a.tv_nsec + b.tv_nsec;
if (res.tv_nsec >= 1000000000) {
res.tv_sec++;
res.tv_nsec -= 1000000000;
}
#else
res.tv_sec = a.tv_sec + b.tv_sec;
res.tv_usec = a.tv_usec + b.tv_usec;
if (res.tv_usec >= 1000000) {
res.tv_sec++;
res.tv_usec -= 1000000;
}
#endif
}
/*
* Subtract times
*/
void timer_sub_time(tm_time_t &res, tm_time_t a, tm_time_t b)
{
#if defined(HAVE_CLOCK_GETTIME) || defined(__MACH__)
res.tv_sec = a.tv_sec - b.tv_sec;
res.tv_nsec = a.tv_nsec - b.tv_nsec;
if (res.tv_nsec < 0) {
res.tv_sec--;
res.tv_nsec += 1000000000;
}
#else
res.tv_sec = a.tv_sec - b.tv_sec;
res.tv_usec = a.tv_usec - b.tv_usec;
if (res.tv_usec < 0) {
res.tv_sec--;
res.tv_usec += 1000000;
}
#endif
}
/*
* Compare times (<0: a < b, =0: a = b, >0: a > b)
*/
int timer_cmp_time(tm_time_t a, tm_time_t b)
{
#if defined(HAVE_CLOCK_GETTIME) || defined(__MACH__)
if (a.tv_sec == b.tv_sec)
return a.tv_nsec - b.tv_nsec;
else
return a.tv_sec - b.tv_sec;
#else
if (a.tv_sec == b.tv_sec)
return a.tv_usec - b.tv_usec;
else
return a.tv_sec - b.tv_sec;
#endif
}
/*
* Convert Mac time value (>0: microseconds, <0: microseconds) to tm_time_t
*/
void timer_mac2host_time(tm_time_t &res, int32 mactime)
{
#if defined(HAVE_CLOCK_GETTIME) || defined(__MACH__)
if (mactime > 0) {
// Time in milliseconds
res.tv_sec = mactime / 1000;
res.tv_nsec = (mactime % 1000) * 1000000;
} else {
// Time in negative microseconds
res.tv_sec = -mactime / 1000000;
res.tv_nsec = (-mactime % 1000000) * 1000;
}
#else
if (mactime > 0) {
// Time in milliseconds
res.tv_sec = mactime / 1000;
res.tv_usec = (mactime % 1000) * 1000;
} else {
// Time in negative microseconds
res.tv_sec = -mactime / 1000000;
res.tv_usec = -mactime % 1000000;
}
#endif
}
/*
* Convert positive tm_time_t to Mac time value (>0: microseconds, <0: microseconds)
* A negative input value for hosttime results in a zero return value
* As long as the microseconds value fits in 32 bit, it must not be converted to milliseconds!
*/
int32 timer_host2mac_time(tm_time_t hosttime)
{
if (hosttime.tv_sec < 0)
return 0;
else {
#if defined(HAVE_CLOCK_GETTIME) || defined(__MACH__)
uint64 t = (uint64)hosttime.tv_sec * 1000000 + hosttime.tv_nsec / 1000;
#else
uint64 t = (uint64)hosttime.tv_sec * 1000000 + hosttime.tv_usec;
#endif
if (t > 0x7fffffff)
return t / 1000; // Time in milliseconds
else
return -t; // Time in negative microseconds
}
}
/*
* Get current value of microsecond timer
*/
uint64 GetTicks_usec(void)
{
#if defined(__MACH__)
tm_time_t t;
mach_current_time(t);
return (uint64)t.tv_sec * 1000000 + t.tv_nsec / 1000;
#elif defined(HAVE_CLOCK_GETTIME)
struct timespec t;
clock_gettime(CLOCK_REALTIME, &t);
return (uint64)t.tv_sec * 1000000 + t.tv_nsec / 1000;
#else
struct timeval t;
gettimeofday(&t, NULL);
return (uint64)t.tv_sec * 1000000 + t.tv_usec;
#endif
}
/*
* Delay by specified number of microseconds (<1 second)
* (adapted from SDL_Delay() source; this function is designed to provide
* the highest accuracy possible)
*/
#if defined(linux)
// Linux select() changes its timeout parameter upon return to contain
// the remaining time. Most other unixen leave it unchanged or undefined.
#define SELECT_SETS_REMAINING
#elif defined(__FreeBSD__) || defined(__sun__) || (defined(__MACH__) && defined(__APPLE__))
#define USE_NANOSLEEP
#elif defined(HAVE_PTHREADS) && defined(sgi)
// SGI pthreads has a bug when using pthreads+signals+nanosleep,
// so instead of using nanosleep, wait on a CV which is never signalled.
#include <pthread.h>
#define USE_COND_TIMEDWAIT
#endif
void Delay_usec(uint64 usec)
{
int was_error;
#if defined(USE_NANOSLEEP)
struct timespec elapsed, tv;
#elif defined(USE_COND_TIMEDWAIT)
// Use a local mutex and cv, so threads remain independent
pthread_cond_t delay_cond = PTHREAD_COND_INITIALIZER;
pthread_mutex_t delay_mutex = PTHREAD_MUTEX_INITIALIZER;
struct timespec elapsed;
uint64 future;
#else
struct timeval tv;
#ifndef SELECT_SETS_REMAINING
uint64 then, now, elapsed;
#endif
#endif
// Set the timeout interval - Linux only needs to do this once
#if defined(SELECT_SETS_REMAINING)
tv.tv_sec = 0;
tv.tv_usec = usec;
#elif defined(USE_NANOSLEEP)
elapsed.tv_sec = 0;
elapsed.tv_nsec = usec * 1000;
#elif defined(USE_COND_TIMEDWAIT)
future = GetTicks_usec() + usec;
elapsed.tv_sec = future / 1000000;
elapsed.tv_nsec = (future % 1000000) * 1000;
#else
then = GetTicks_usec();
#endif
do {
errno = 0;
#if defined(USE_NANOSLEEP)
tv.tv_sec = elapsed.tv_sec;
tv.tv_nsec = elapsed.tv_nsec;
was_error = nanosleep(&tv, &elapsed);
#elif defined(USE_COND_TIMEDWAIT)
was_error = pthread_mutex_lock(&delay_mutex);
was_error = pthread_cond_timedwait(&delay_cond, &delay_mutex, &elapsed);
was_error = pthread_mutex_unlock(&delay_mutex);
#else
#ifndef SELECT_SETS_REMAINING
// Calculate the time interval left (in case of interrupt)
now = GetTicks_usec();
elapsed = now - then;
then = now;
if (elapsed >= usec)
break;
usec -= elapsed;
tv.tv_sec = 0;
tv.tv_usec = usec;
#endif
was_error = select(0, NULL, NULL, NULL, &tv);
#endif
} while (was_error && (errno == EINTR));
}
/*
* Suspend emulator thread, virtual CPU in idle mode
*/
#ifdef HAVE_PTHREADS
#if defined(HAVE_PTHREAD_COND_INIT)
#define IDLE_USES_COND_WAIT 1
static pthread_mutex_t idle_lock = PTHREAD_MUTEX_INITIALIZER;
static pthread_cond_t idle_cond = PTHREAD_COND_INITIALIZER;
#elif defined(HAVE_SEM_INIT)
#define IDLE_USES_SEMAPHORE 1
#include <semaphore.h>
#ifdef HAVE_SPINLOCKS
static spinlock_t idle_lock = SPIN_LOCK_UNLOCKED;
#define LOCK_IDLE spin_lock(&idle_lock)
#define UNLOCK_IDLE spin_unlock(&idle_lock)
#else
static pthread_mutex_t idle_lock = PTHREAD_MUTEX_INITIALIZER;
#define LOCK_IDLE pthread_mutex_lock(&idle_lock)
#define UNLOCK_IDLE pthread_mutex_unlock(&idle_lock)
#endif
static sem_t idle_sem;
static int idle_sem_ok = -1;
#endif
#endif
void idle_wait(void)
{
#ifdef IDLE_USES_COND_WAIT
pthread_mutex_lock(&idle_lock);
pthread_cond_wait(&idle_cond, &idle_lock);
pthread_mutex_unlock(&idle_lock);
#else
#ifdef IDLE_USES_SEMAPHORE
LOCK_IDLE;
if (idle_sem_ok < 0)
idle_sem_ok = (sem_init(&idle_sem, 0, 0) == 0);
if (idle_sem_ok > 0) {
idle_sem_ok++;
UNLOCK_IDLE;
sem_wait(&idle_sem);
return;
}
UNLOCK_IDLE;
#endif
// Fallback: sleep 10 ms
Delay_usec(10000);
#endif
}
/*
* Resume execution of emulator thread, events just arrived
*/
void idle_resume(void)
{
#ifdef IDLE_USES_COND_WAIT
pthread_cond_signal(&idle_cond);
#else
#ifdef IDLE_USES_SEMAPHORE
LOCK_IDLE;
if (idle_sem_ok > 1) {
idle_sem_ok--;
UNLOCK_IDLE;
sem_post(&idle_sem);
return;
}
UNLOCK_IDLE;
#endif
#endif
}

1
SheepShaver/src/Unix/timer_unix.cpp Symbolic link
View File

@ -0,0 +1 @@
../../../BasiliskII/src/Unix/timer_unix.cpp