1 |
nigel |
1.1 |
/* |
2 |
asvitkine |
1.21 |
* $Id: main_macosx.mm,v 1.20 2008/02/04 01:00:53 nigel Exp $ |
3 |
nigel |
1.1 |
* |
4 |
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* main_macosx.mm - Startup code for MacOS X |
5 |
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* Based (in a small way) on the default main.m, |
6 |
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and on Basilisk's main_unix.cpp |
7 |
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* |
8 |
gbeauche |
1.19 |
* Basilisk II (C) 1997-2008 Christian Bauer |
9 |
nigel |
1.1 |
* |
10 |
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* This program is free software; you can redistribute it and/or modify |
11 |
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* it under the terms of the GNU General Public License as published by |
12 |
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* the Free Software Foundation; either version 2 of the License, or |
13 |
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* (at your option) any later version. |
14 |
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* |
15 |
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* This program is distributed in the hope that it will be useful, |
16 |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
17 |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
18 |
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* GNU General Public License for more details. |
19 |
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* |
20 |
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* You should have received a copy of the GNU General Public License |
21 |
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* along with this program; if not, write to the Free Software |
22 |
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
23 |
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*/ |
24 |
nigel |
1.14 |
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25 |
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#import <AppKit/AppKit.h> |
26 |
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#undef check |
27 |
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28 |
nigel |
1.10 |
#define PTHREADS // Why is this here? |
29 |
nigel |
1.1 |
#include "sysdeps.h" |
30 |
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31 |
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#ifdef HAVE_PTHREADS |
32 |
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# include <pthread.h> |
33 |
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#endif |
34 |
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35 |
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#if REAL_ADDRESSING || DIRECT_ADDRESSING |
36 |
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# include <sys/mman.h> |
37 |
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#endif |
38 |
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39 |
nigel |
1.8 |
#include <string> |
40 |
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using std::string; |
41 |
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42 |
nigel |
1.1 |
#include "cpu_emulation.h" |
43 |
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#include "macos_util_macosx.h" |
44 |
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#include "main.h" |
45 |
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#include "prefs.h" |
46 |
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#include "prefs_editor.h" |
47 |
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#include "rom_patches.h" |
48 |
nigel |
1.8 |
#include "sigsegv.h" |
49 |
nigel |
1.1 |
#include "sys.h" |
50 |
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#include "user_strings.h" |
51 |
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#include "version.h" |
52 |
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#include "video.h" |
53 |
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#include "vm_alloc.h" |
54 |
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#include "xpram.h" |
55 |
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56 |
nigel |
1.8 |
#if USE_JIT |
57 |
gbeauche |
1.16 |
extern void flush_icache_range(uint8 *start, uint32 size); // from compemu_support.cpp |
58 |
nigel |
1.8 |
#endif |
59 |
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60 |
nigel |
1.1 |
#ifdef ENABLE_MON |
61 |
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# include "mon.h" |
62 |
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#endif |
63 |
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64 |
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#define DEBUG 0 |
65 |
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#include "debug.h" |
66 |
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67 |
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68 |
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#include "main_macosx.h" // To bridge between main() and misc. classes |
69 |
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70 |
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71 |
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// Constants |
72 |
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const char ROM_FILE_NAME[] = "ROM"; |
73 |
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const int SCRATCH_MEM_SIZE = 0x10000; // Size of scratch memory area |
74 |
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75 |
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76 |
nigel |
1.20 |
static char *bundle = NULL; // If in an OS X application bundle, its path |
77 |
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78 |
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79 |
nigel |
1.1 |
// CPU and FPU type, addressing mode |
80 |
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int CPUType; |
81 |
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bool CPUIs68060; |
82 |
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int FPUType; |
83 |
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bool TwentyFourBitAddressing; |
84 |
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85 |
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86 |
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// Global variables |
87 |
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88 |
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#ifdef HAVE_PTHREADS |
89 |
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90 |
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static pthread_mutex_t intflag_lock = PTHREAD_MUTEX_INITIALIZER; // Mutex to protect InterruptFlags |
91 |
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#define LOCK_INTFLAGS pthread_mutex_lock(&intflag_lock) |
92 |
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#define UNLOCK_INTFLAGS pthread_mutex_unlock(&intflag_lock) |
93 |
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94 |
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#else |
95 |
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96 |
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#define LOCK_INTFLAGS |
97 |
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#define UNLOCK_INTFLAGS |
98 |
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99 |
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#endif |
100 |
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101 |
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#if USE_SCRATCHMEM_SUBTERFUGE |
102 |
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uint8 *ScratchMem = NULL; // Scratch memory for Mac ROM writes |
103 |
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#endif |
104 |
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105 |
nigel |
1.3 |
#ifdef ENABLE_MON |
106 |
nigel |
1.1 |
static struct sigaction sigint_sa; // sigaction for SIGINT handler |
107 |
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static void sigint_handler(...); |
108 |
nigel |
1.3 |
#endif |
109 |
nigel |
1.1 |
|
110 |
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#if REAL_ADDRESSING |
111 |
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static bool lm_area_mapped = false; // Flag: Low Memory area mmap()ped |
112 |
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#endif |
113 |
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114 |
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115 |
nigel |
1.8 |
/* |
116 |
nigel |
1.15 |
* Helpers to map memory that can be accessed from the Mac side |
117 |
nigel |
1.14 |
*/ |
118 |
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119 |
gbeauche |
1.17 |
// NOTE: VM_MAP_32BIT is only used when compiling a 64-bit JIT on specific platforms |
120 |
nigel |
1.14 |
void *vm_acquire_mac(size_t size) |
121 |
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{ |
122 |
gbeauche |
1.17 |
return vm_acquire(size, VM_MAP_DEFAULT | VM_MAP_32BIT); |
123 |
nigel |
1.14 |
} |
124 |
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125 |
nigel |
1.15 |
static int vm_acquire_mac_fixed(void *addr, size_t size) |
126 |
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{ |
127 |
gbeauche |
1.17 |
return vm_acquire_fixed(addr, size, VM_MAP_DEFAULT | VM_MAP_32BIT); |
128 |
nigel |
1.15 |
} |
129 |
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130 |
nigel |
1.14 |
|
131 |
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/* |
132 |
nigel |
1.10 |
* SIGSEGV handler |
133 |
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*/ |
134 |
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135 |
gbeauche |
1.18 |
static sigsegv_return_t sigsegv_handler(sigsegv_info_t *sip) |
136 |
nigel |
1.10 |
{ |
137 |
gbeauche |
1.18 |
const uintptr fault_address = (uintptr)sigsegv_get_fault_address(sip); |
138 |
nigel |
1.10 |
#if ENABLE_VOSF |
139 |
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// Handle screen fault |
140 |
gbeauche |
1.18 |
extern bool Screen_fault_handler(sigsegv_info_t *sip); |
141 |
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if (Screen_fault_handler(sip)) |
142 |
nigel |
1.10 |
return SIGSEGV_RETURN_SUCCESS; |
143 |
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#endif |
144 |
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145 |
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#ifdef HAVE_SIGSEGV_SKIP_INSTRUCTION |
146 |
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// Ignore writes to ROM |
147 |
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if (((uintptr)fault_address - (uintptr)ROMBaseHost) < ROMSize) |
148 |
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return SIGSEGV_RETURN_SKIP_INSTRUCTION; |
149 |
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150 |
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// Ignore all other faults, if requested |
151 |
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if (PrefsFindBool("ignoresegv")) |
152 |
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return SIGSEGV_RETURN_SKIP_INSTRUCTION; |
153 |
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#endif |
154 |
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155 |
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return SIGSEGV_RETURN_FAILURE; |
156 |
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} |
157 |
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158 |
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159 |
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/* |
160 |
nigel |
1.8 |
* Dump state when everything went wrong after a SEGV |
161 |
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*/ |
162 |
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163 |
gbeauche |
1.18 |
static void sigsegv_dump_state(sigsegv_info_t *sip) |
164 |
nigel |
1.8 |
{ |
165 |
gbeauche |
1.18 |
const sigsegv_address_t fault_address = sigsegv_get_fault_address(sip); |
166 |
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const sigsegv_address_t fault_instruction = sigsegv_get_fault_instruction_address(sip); |
167 |
nigel |
1.8 |
fprintf(stderr, "Caught SIGSEGV at address %p", fault_address); |
168 |
gbeauche |
1.18 |
if (fault_instruction != SIGSEGV_INVALID_ADDRESS) |
169 |
nigel |
1.8 |
fprintf(stderr, " [IP=%p]", fault_instruction); |
170 |
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fprintf(stderr, "\n"); |
171 |
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uaecptr nextpc; |
172 |
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extern void m68k_dumpstate(uaecptr *nextpc); |
173 |
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m68k_dumpstate(&nextpc); |
174 |
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#if USE_JIT && JIT_DEBUG |
175 |
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extern void compiler_dumpstate(void); |
176 |
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compiler_dumpstate(); |
177 |
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#endif |
178 |
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VideoQuitFullScreen(); |
179 |
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#ifdef ENABLE_MON |
180 |
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char *arg[4] = {"mon", "-m", "-r", NULL}; |
181 |
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mon(3, arg); |
182 |
nigel |
1.15 |
#endif |
183 |
nigel |
1.8 |
QuitEmulator(); |
184 |
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} |
185 |
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186 |
nigel |
1.1 |
|
187 |
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/* |
188 |
nigel |
1.20 |
* Screen fault handler |
189 |
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*/ |
190 |
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191 |
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bool Screen_fault_handler(sigsegv_info_t *sip) |
192 |
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{ |
193 |
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return true; |
194 |
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} |
195 |
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196 |
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197 |
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/* |
198 |
nigel |
1.1 |
* Main program |
199 |
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*/ |
200 |
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201 |
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static void usage(const char *prg_name) |
202 |
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{ |
203 |
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printf("Usage: %s [OPTION...]\n", prg_name); |
204 |
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printf("\nUnix options:\n"); |
205 |
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printf(" --help\n display this usage message\n"); |
206 |
nigel |
1.8 |
printf(" --config FILE\n read/write configuration from/to FILE\n"); |
207 |
nigel |
1.1 |
printf(" --break ADDRESS\n set ROM breakpoint\n"); |
208 |
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printf(" --rominfo\n dump ROM information\n"); |
209 |
nigel |
1.8 |
LoadPrefs(); // read the prefs file so PrefsPrintUsage() will print the correct default values |
210 |
nigel |
1.1 |
PrefsPrintUsage(); |
211 |
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exit(0); |
212 |
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} |
213 |
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214 |
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int main(int argc, char **argv) |
215 |
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{ |
216 |
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// Initialize variables |
217 |
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RAMBaseHost = NULL; |
218 |
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ROMBaseHost = NULL; |
219 |
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srand(time(NULL)); |
220 |
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tzset(); |
221 |
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222 |
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// Print some info |
223 |
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printf(GetString(STR_ABOUT_TEXT1), VERSION_MAJOR, VERSION_MINOR); |
224 |
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printf(" %s\n", GetString(STR_ABOUT_TEXT2)); |
225 |
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226 |
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// Parse command line arguments |
227 |
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for (int i=1; i<argc; i++) { |
228 |
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if (strcmp(argv[i], "--help") == 0) { |
229 |
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usage(argv[0]); |
230 |
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} else if (strncmp(argv[i], "-psn_", 5) == 0) {// OS X process identifier |
231 |
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i++; |
232 |
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} else if (strcmp(argv[i], "--break") == 0) { |
233 |
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i++; |
234 |
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if (i < argc) |
235 |
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ROMBreakpoint = strtol(argv[i], NULL, 0); |
236 |
nigel |
1.8 |
} else if (strcmp(argv[i], "--config") == 0) { |
237 |
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argv[i++] = NULL; |
238 |
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if (i < argc) { |
239 |
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extern string UserPrefsPath; // from prefs_unix.cpp |
240 |
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UserPrefsPath = argv[i]; |
241 |
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argv[i] = NULL; |
242 |
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} |
243 |
nigel |
1.1 |
} else if (strcmp(argv[i], "--rominfo") == 0) { |
244 |
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PrintROMInfo = true; |
245 |
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} else if (argv[i][0] == '-') { |
246 |
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fprintf(stderr, "Unrecognized option '%s'\n", argv[i]); |
247 |
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usage(argv[0]); |
248 |
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} |
249 |
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} |
250 |
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251 |
nigel |
1.10 |
// Read preferences |
252 |
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PrefsInit(argc, argv); |
253 |
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254 |
nigel |
1.1 |
// Init system routines |
255 |
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SysInit(); |
256 |
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257 |
nigel |
1.20 |
// Set the current directory somewhere useful. |
258 |
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// Handy for storing the ROM file |
259 |
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bundle = strstr(argv[0], "BasiliskII.app/Contents/MacOS/BasiliskII"); |
260 |
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if (bundle) |
261 |
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{ |
262 |
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while (*bundle != '/') |
263 |
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++bundle; |
264 |
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265 |
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*bundle = 0; // Throw away Contents/... on end of argv[0] |
266 |
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bundle = argv[0]; |
267 |
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268 |
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chdir(bundle); |
269 |
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} |
270 |
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271 |
nigel |
1.1 |
// Open display, attach to window server, |
272 |
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// load pre-instantiated classes from MainMenu.nib, start run loop |
273 |
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int i = NSApplicationMain(argc, (const char **)argv); |
274 |
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// We currently never get past here, because QuitEmulator() does an exit() |
275 |
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276 |
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// Exit system routines |
277 |
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SysExit(); |
278 |
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279 |
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// Exit preferences |
280 |
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PrefsExit(); |
281 |
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282 |
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return i; |
283 |
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} |
284 |
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285 |
nigel |
1.7 |
#define QuitEmulator() { QuitEmuNoExit() ; return NO; } |
286 |
nigel |
1.1 |
|
287 |
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bool InitEmulator (void) |
288 |
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{ |
289 |
asvitkine |
1.21 |
const char *vmdir = NULL; |
290 |
nigel |
1.1 |
char str[256]; |
291 |
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292 |
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293 |
nigel |
1.10 |
// Install the handler for SIGSEGV |
294 |
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if (!sigsegv_install_handler(sigsegv_handler)) { |
295 |
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sprintf(str, GetString(STR_SIG_INSTALL_ERR), "SIGSEGV", strerror(errno)); |
296 |
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ErrorAlert(str); |
297 |
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QuitEmulator(); |
298 |
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} |
299 |
nigel |
1.8 |
|
300 |
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// Register dump state function when we got mad after a segfault |
301 |
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sigsegv_set_dump_state(sigsegv_dump_state); |
302 |
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303 |
nigel |
1.1 |
// Read RAM size |
304 |
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RAMSize = PrefsFindInt32("ramsize") & 0xfff00000; // Round down to 1MB boundary |
305 |
|
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if (RAMSize < 1024*1024) { |
306 |
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WarningAlert(GetString(STR_SMALL_RAM_WARN)); |
307 |
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RAMSize = 1024*1024; |
308 |
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} |
309 |
nigel |
1.15 |
if (RAMSize > 1023*1024*1024) // Cap to 1023MB (APD crashes at 1GB) |
310 |
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RAMSize = 1023*1024*1024; |
311 |
nigel |
1.1 |
|
312 |
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#if REAL_ADDRESSING || DIRECT_ADDRESSING |
313 |
|
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RAMSize = RAMSize & -getpagesize(); // Round down to page boundary |
314 |
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#endif |
315 |
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316 |
|
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// Initialize VM system |
317 |
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vm_init(); |
318 |
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319 |
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#if REAL_ADDRESSING |
320 |
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// Flag: RAM and ROM are contigously allocated from address 0 |
321 |
|
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bool memory_mapped_from_zero = false; |
322 |
nigel |
1.15 |
|
323 |
|
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// Make sure to map RAM & ROM at address 0 only on platforms that |
324 |
|
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// supports linker scripts to relocate the Basilisk II executable |
325 |
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// above 0x70000000 |
326 |
|
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#if HAVE_LINKER_SCRIPT |
327 |
|
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const bool can_map_all_memory = true; |
328 |
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#else |
329 |
nigel |
1.1 |
const bool can_map_all_memory = false; |
330 |
|
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#endif |
331 |
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332 |
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// Try to allocate all memory from 0x0000, if it is not known to crash |
333 |
nigel |
1.15 |
if (can_map_all_memory && (vm_acquire_mac_fixed(0, RAMSize + 0x100000) == 0)) { |
334 |
nigel |
1.1 |
D(bug("Could allocate RAM and ROM from 0x0000\n")); |
335 |
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memory_mapped_from_zero = true; |
336 |
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} |
337 |
nigel |
1.15 |
|
338 |
nigel |
1.10 |
#ifndef PAGEZERO_HACK |
339 |
nigel |
1.1 |
// Otherwise, just create the Low Memory area (0x0000..0x2000) |
340 |
nigel |
1.15 |
else if (vm_acquire_mac_fixed(0, 0x2000) == 0) { |
341 |
nigel |
1.1 |
D(bug("Could allocate the Low Memory globals\n")); |
342 |
|
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lm_area_mapped = true; |
343 |
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} |
344 |
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345 |
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// Exit on failure |
346 |
|
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else { |
347 |
|
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sprintf(str, GetString(STR_LOW_MEM_MMAP_ERR), strerror(errno)); |
348 |
|
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ErrorAlert(str); |
349 |
|
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QuitEmulator(); |
350 |
|
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} |
351 |
nigel |
1.10 |
#endif |
352 |
nigel |
1.4 |
#else |
353 |
|
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*str = 0; // Eliminate unused variable warning |
354 |
nigel |
1.10 |
#endif /* REAL_ADDRESSING */ |
355 |
nigel |
1.1 |
|
356 |
|
|
// Create areas for Mac RAM and ROM |
357 |
|
|
#if REAL_ADDRESSING |
358 |
|
|
if (memory_mapped_from_zero) { |
359 |
|
|
RAMBaseHost = (uint8 *)0; |
360 |
|
|
ROMBaseHost = RAMBaseHost + RAMSize; |
361 |
|
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} |
362 |
|
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else |
363 |
|
|
#endif |
364 |
|
|
{ |
365 |
nigel |
1.14 |
uint8 *ram_rom_area = (uint8 *)vm_acquire_mac(RAMSize + 0x100000); |
366 |
|
|
if (ram_rom_area == VM_MAP_FAILED) { |
367 |
nigel |
1.1 |
ErrorAlert(STR_NO_MEM_ERR); |
368 |
|
|
QuitEmulator(); |
369 |
|
|
} |
370 |
nigel |
1.14 |
RAMBaseHost = ram_rom_area; |
371 |
|
|
ROMBaseHost = RAMBaseHost + RAMSize; |
372 |
nigel |
1.1 |
} |
373 |
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|
374 |
|
|
#if USE_SCRATCHMEM_SUBTERFUGE |
375 |
|
|
// Allocate scratch memory |
376 |
nigel |
1.15 |
ScratchMem = (uint8 *)vm_acquire_mac(SCRATCH_MEM_SIZE); |
377 |
nigel |
1.1 |
if (ScratchMem == VM_MAP_FAILED) { |
378 |
|
|
ErrorAlert(STR_NO_MEM_ERR); |
379 |
|
|
QuitEmulator(); |
380 |
|
|
} |
381 |
|
|
ScratchMem += SCRATCH_MEM_SIZE/2; // ScratchMem points to middle of block |
382 |
|
|
#endif |
383 |
|
|
|
384 |
|
|
#if DIRECT_ADDRESSING |
385 |
|
|
// RAMBaseMac shall always be zero |
386 |
|
|
MEMBaseDiff = (uintptr)RAMBaseHost; |
387 |
|
|
RAMBaseMac = 0; |
388 |
|
|
ROMBaseMac = Host2MacAddr(ROMBaseHost); |
389 |
|
|
#endif |
390 |
|
|
#if REAL_ADDRESSING |
391 |
nigel |
1.15 |
RAMBaseMac = Host2MacAddr(RAMBaseHost); |
392 |
|
|
ROMBaseMac = Host2MacAddr(ROMBaseHost); |
393 |
nigel |
1.1 |
#endif |
394 |
|
|
D(bug("Mac RAM starts at %p (%08x)\n", RAMBaseHost, RAMBaseMac)); |
395 |
|
|
D(bug("Mac ROM starts at %p (%08x)\n", ROMBaseHost, ROMBaseMac)); |
396 |
|
|
|
397 |
|
|
// Get rom file path from preferences |
398 |
|
|
const char *rom_path = PrefsFindString("rom"); |
399 |
nigel |
1.6 |
if ( ! rom_path ) |
400 |
nigel |
1.20 |
if ( bundle ) |
401 |
|
|
WarningAlert("No rom pathname set. Trying BasiliskII.app/ROM"); |
402 |
|
|
else |
403 |
nigel |
1.6 |
WarningAlert("No rom pathname set. Trying ./ROM"); |
404 |
nigel |
1.1 |
|
405 |
|
|
// Load Mac ROM |
406 |
|
|
int rom_fd = open(rom_path ? rom_path : ROM_FILE_NAME, O_RDONLY); |
407 |
|
|
if (rom_fd < 0) { |
408 |
|
|
ErrorAlert(STR_NO_ROM_FILE_ERR); |
409 |
|
|
QuitEmulator(); |
410 |
|
|
} |
411 |
|
|
printf(GetString(STR_READING_ROM_FILE)); |
412 |
|
|
ROMSize = lseek(rom_fd, 0, SEEK_END); |
413 |
|
|
if (ROMSize != 64*1024 && ROMSize != 128*1024 && ROMSize != 256*1024 && ROMSize != 512*1024 && ROMSize != 1024*1024) { |
414 |
|
|
ErrorAlert(STR_ROM_SIZE_ERR); |
415 |
|
|
close(rom_fd); |
416 |
|
|
QuitEmulator(); |
417 |
|
|
} |
418 |
|
|
lseek(rom_fd, 0, SEEK_SET); |
419 |
|
|
if (read(rom_fd, ROMBaseHost, ROMSize) != (ssize_t)ROMSize) { |
420 |
|
|
ErrorAlert(STR_ROM_FILE_READ_ERR); |
421 |
|
|
close(rom_fd); |
422 |
|
|
QuitEmulator(); |
423 |
|
|
} |
424 |
|
|
|
425 |
|
|
|
426 |
|
|
// Initialize everything |
427 |
asvitkine |
1.21 |
if (!InitAll(vmdir)) |
428 |
nigel |
1.1 |
QuitEmulator(); |
429 |
|
|
D(bug("Initialization complete\n")); |
430 |
|
|
|
431 |
|
|
|
432 |
|
|
#ifdef ENABLE_MON |
433 |
|
|
// Setup SIGINT handler to enter mon |
434 |
|
|
sigemptyset(&sigint_sa.sa_mask); |
435 |
|
|
sigint_sa.sa_handler = (void (*)(int))sigint_handler; |
436 |
|
|
sigint_sa.sa_flags = 0; |
437 |
|
|
sigaction(SIGINT, &sigint_sa, NULL); |
438 |
|
|
#endif |
439 |
|
|
|
440 |
|
|
|
441 |
|
|
return YES; |
442 |
|
|
} |
443 |
|
|
|
444 |
|
|
#undef QuitEmulator() |
445 |
|
|
|
446 |
|
|
|
447 |
|
|
/* |
448 |
|
|
* Quit emulator |
449 |
|
|
*/ |
450 |
|
|
|
451 |
|
|
void QuitEmuNoExit() |
452 |
|
|
{ |
453 |
|
|
D(bug("QuitEmulator\n")); |
454 |
|
|
|
455 |
|
|
// Exit 680x0 emulation |
456 |
|
|
Exit680x0(); |
457 |
|
|
|
458 |
|
|
// Deinitialize everything |
459 |
|
|
ExitAll(); |
460 |
|
|
|
461 |
|
|
// Free ROM/RAM areas |
462 |
|
|
if (RAMBaseHost != VM_MAP_FAILED) { |
463 |
nigel |
1.14 |
vm_release(RAMBaseHost, RAMSize + 0x100000); |
464 |
nigel |
1.1 |
RAMBaseHost = NULL; |
465 |
nigel |
1.15 |
ROMBaseHost = NULL; |
466 |
nigel |
1.1 |
} |
467 |
|
|
|
468 |
|
|
#if USE_SCRATCHMEM_SUBTERFUGE |
469 |
|
|
// Delete scratch memory area |
470 |
|
|
if (ScratchMem != (uint8 *)VM_MAP_FAILED) { |
471 |
|
|
vm_release((void *)(ScratchMem - SCRATCH_MEM_SIZE/2), SCRATCH_MEM_SIZE); |
472 |
|
|
ScratchMem = NULL; |
473 |
|
|
} |
474 |
|
|
#endif |
475 |
|
|
|
476 |
|
|
#if REAL_ADDRESSING |
477 |
|
|
// Delete Low Memory area |
478 |
|
|
if (lm_area_mapped) |
479 |
|
|
vm_release(0, 0x2000); |
480 |
|
|
#endif |
481 |
|
|
|
482 |
|
|
// Exit VM wrappers |
483 |
|
|
vm_exit(); |
484 |
|
|
|
485 |
|
|
// Exit system routines |
486 |
|
|
SysExit(); |
487 |
|
|
|
488 |
|
|
// Exit preferences |
489 |
|
|
PrefsExit(); |
490 |
|
|
} |
491 |
|
|
|
492 |
|
|
void QuitEmulator(void) |
493 |
|
|
{ |
494 |
|
|
QuitEmuNoExit(); |
495 |
nigel |
1.6 |
|
496 |
|
|
// Stop run loop? |
497 |
|
|
[NSApp terminate: nil]; |
498 |
|
|
|
499 |
nigel |
1.1 |
exit(0); |
500 |
|
|
} |
501 |
|
|
|
502 |
|
|
|
503 |
|
|
/* |
504 |
|
|
* Code was patched, flush caches if neccessary (i.e. when using a real 680x0 |
505 |
|
|
* or a dynamically recompiling emulator) |
506 |
|
|
*/ |
507 |
|
|
|
508 |
|
|
void FlushCodeCache(void *start, uint32 size) |
509 |
|
|
{ |
510 |
nigel |
1.8 |
#if USE_JIT |
511 |
nigel |
1.20 |
if (UseJIT) |
512 |
gbeauche |
1.16 |
flush_icache_range((uint8 *)start, size); |
513 |
nigel |
1.8 |
#endif |
514 |
nigel |
1.1 |
} |
515 |
|
|
|
516 |
|
|
|
517 |
|
|
/* |
518 |
|
|
* SIGINT handler, enters mon |
519 |
|
|
*/ |
520 |
|
|
|
521 |
|
|
#ifdef ENABLE_MON |
522 |
|
|
static void sigint_handler(...) |
523 |
|
|
{ |
524 |
|
|
uaecptr nextpc; |
525 |
|
|
extern void m68k_dumpstate(uaecptr *nextpc); |
526 |
|
|
m68k_dumpstate(&nextpc); |
527 |
|
|
VideoQuitFullScreen(); |
528 |
|
|
char *arg[4] = {"mon", "-m", "-r", NULL}; |
529 |
|
|
mon(3, arg); |
530 |
|
|
QuitEmulator(); |
531 |
|
|
} |
532 |
|
|
#endif |
533 |
|
|
|
534 |
|
|
|
535 |
nigel |
1.14 |
#ifdef HAVE_PTHREADS |
536 |
|
|
/* |
537 |
|
|
* Pthread configuration |
538 |
|
|
*/ |
539 |
|
|
|
540 |
|
|
void Set_pthread_attr(pthread_attr_t *attr, int priority) |
541 |
|
|
{ |
542 |
|
|
pthread_attr_init(attr); |
543 |
|
|
#if defined(_POSIX_THREAD_PRIORITY_SCHEDULING) |
544 |
|
|
// Some of these only work for superuser |
545 |
|
|
if (geteuid() == 0) { |
546 |
|
|
pthread_attr_setinheritsched(attr, PTHREAD_EXPLICIT_SCHED); |
547 |
|
|
pthread_attr_setschedpolicy(attr, SCHED_FIFO); |
548 |
|
|
struct sched_param fifo_param; |
549 |
|
|
fifo_param.sched_priority = ((sched_get_priority_min(SCHED_FIFO) |
550 |
|
|
+ sched_get_priority_max(SCHED_FIFO)) |
551 |
|
|
/ 2 + priority); |
552 |
|
|
pthread_attr_setschedparam(attr, &fifo_param); |
553 |
|
|
} |
554 |
|
|
if (pthread_attr_setscope(attr, PTHREAD_SCOPE_SYSTEM) != 0) { |
555 |
|
|
#ifdef PTHREAD_SCOPE_BOUND_NP |
556 |
|
|
// If system scope is not available (eg. we're not running |
557 |
|
|
// with CAP_SCHED_MGT capability on an SGI box), try bound |
558 |
|
|
// scope. It exposes pthread scheduling to the kernel, |
559 |
|
|
// without setting realtime priority. |
560 |
|
|
pthread_attr_setscope(attr, PTHREAD_SCOPE_BOUND_NP); |
561 |
|
|
#endif |
562 |
|
|
} |
563 |
|
|
#endif |
564 |
|
|
} |
565 |
|
|
#endif // HAVE_PTHREADS |
566 |
|
|
|
567 |
|
|
|
568 |
nigel |
1.1 |
/* |
569 |
|
|
* Mutexes |
570 |
|
|
*/ |
571 |
|
|
|
572 |
|
|
#ifdef HAVE_PTHREADS |
573 |
|
|
|
574 |
|
|
struct B2_mutex { |
575 |
nigel |
1.10 |
B2_mutex() { |
576 |
|
|
pthread_mutexattr_t attr; |
577 |
|
|
pthread_mutexattr_init(&attr); |
578 |
|
|
// Initialize the mutex for priority inheritance -- |
579 |
|
|
// required for accurate timing. |
580 |
|
|
#ifdef HAVE_PTHREAD_MUTEXATTR_SETPROTOCOL |
581 |
|
|
pthread_mutexattr_setprotocol(&attr, PTHREAD_PRIO_INHERIT); |
582 |
|
|
#endif |
583 |
|
|
#if defined(HAVE_PTHREAD_MUTEXATTR_SETTYPE) && defined(PTHREAD_MUTEX_NORMAL) |
584 |
|
|
pthread_mutexattr_settype(&attr, PTHREAD_MUTEX_NORMAL); |
585 |
|
|
#endif |
586 |
|
|
#ifdef HAVE_PTHREAD_MUTEXATTR_SETPSHARED |
587 |
|
|
pthread_mutexattr_setpshared(&attr, PTHREAD_PROCESS_PRIVATE); |
588 |
|
|
#endif |
589 |
|
|
pthread_mutex_init(&m, &attr); |
590 |
|
|
pthread_mutexattr_destroy(&attr); |
591 |
|
|
} |
592 |
|
|
~B2_mutex() { |
593 |
|
|
pthread_mutex_trylock(&m); // Make sure it's locked before |
594 |
|
|
pthread_mutex_unlock(&m); // unlocking it. |
595 |
|
|
pthread_mutex_destroy(&m); |
596 |
|
|
} |
597 |
nigel |
1.1 |
pthread_mutex_t m; |
598 |
|
|
}; |
599 |
|
|
|
600 |
|
|
B2_mutex *B2_create_mutex(void) |
601 |
|
|
{ |
602 |
|
|
return new B2_mutex; |
603 |
|
|
} |
604 |
|
|
|
605 |
|
|
void B2_lock_mutex(B2_mutex *mutex) |
606 |
|
|
{ |
607 |
|
|
pthread_mutex_lock(&mutex->m); |
608 |
|
|
} |
609 |
|
|
|
610 |
|
|
void B2_unlock_mutex(B2_mutex *mutex) |
611 |
|
|
{ |
612 |
|
|
pthread_mutex_unlock(&mutex->m); |
613 |
|
|
} |
614 |
|
|
|
615 |
|
|
void B2_delete_mutex(B2_mutex *mutex) |
616 |
|
|
{ |
617 |
|
|
delete mutex; |
618 |
|
|
} |
619 |
|
|
|
620 |
|
|
#else |
621 |
|
|
|
622 |
|
|
struct B2_mutex { |
623 |
|
|
int dummy; |
624 |
|
|
}; |
625 |
|
|
|
626 |
|
|
B2_mutex *B2_create_mutex(void) |
627 |
|
|
{ |
628 |
|
|
return new B2_mutex; |
629 |
|
|
} |
630 |
|
|
|
631 |
|
|
void B2_lock_mutex(B2_mutex *mutex) |
632 |
|
|
{ |
633 |
|
|
} |
634 |
|
|
|
635 |
|
|
void B2_unlock_mutex(B2_mutex *mutex) |
636 |
|
|
{ |
637 |
|
|
} |
638 |
|
|
|
639 |
|
|
void B2_delete_mutex(B2_mutex *mutex) |
640 |
|
|
{ |
641 |
|
|
delete mutex; |
642 |
|
|
} |
643 |
|
|
|
644 |
|
|
#endif |
645 |
|
|
|
646 |
|
|
|
647 |
|
|
/* |
648 |
|
|
* Interrupt flags (must be handled atomically!) |
649 |
|
|
*/ |
650 |
|
|
|
651 |
|
|
uint32 InterruptFlags = 0; |
652 |
|
|
|
653 |
|
|
void SetInterruptFlag(uint32 flag) |
654 |
|
|
{ |
655 |
|
|
LOCK_INTFLAGS; |
656 |
|
|
InterruptFlags |= flag; |
657 |
|
|
UNLOCK_INTFLAGS; |
658 |
|
|
} |
659 |
|
|
|
660 |
|
|
void ClearInterruptFlag(uint32 flag) |
661 |
|
|
{ |
662 |
|
|
LOCK_INTFLAGS; |
663 |
|
|
InterruptFlags &= ~flag; |
664 |
|
|
UNLOCK_INTFLAGS; |
665 |
|
|
} |
666 |
|
|
|
667 |
|
|
|
668 |
|
|
/* |
669 |
|
|
* Display error alert |
670 |
|
|
*/ |
671 |
|
|
|
672 |
|
|
void ErrorAlert(const char *text) |
673 |
|
|
{ |
674 |
|
|
NSString *title = [NSString stringWithCString: |
675 |
|
|
GetString(STR_ERROR_ALERT_TITLE) ]; |
676 |
|
|
NSString *error = [NSString stringWithCString: text]; |
677 |
|
|
NSString *button = [NSString stringWithCString: GetString(STR_QUIT_BUTTON) ]; |
678 |
|
|
|
679 |
|
|
NSLog(error); |
680 |
nigel |
1.10 |
if ( PrefsFindBool("nogui") ) |
681 |
|
|
return; |
682 |
|
|
VideoQuitFullScreen(); |
683 |
nigel |
1.1 |
NSRunCriticalAlertPanel(title, error, button, nil, nil); |
684 |
|
|
} |
685 |
|
|
|
686 |
|
|
|
687 |
|
|
/* |
688 |
|
|
* Display warning alert |
689 |
|
|
*/ |
690 |
|
|
|
691 |
|
|
void WarningAlert(const char *text) |
692 |
|
|
{ |
693 |
|
|
NSString *title = [NSString stringWithCString: |
694 |
|
|
GetString(STR_WARNING_ALERT_TITLE) ]; |
695 |
|
|
NSString *warning = [NSString stringWithCString: text]; |
696 |
|
|
NSString *button = [NSString stringWithCString: GetString(STR_OK_BUTTON) ]; |
697 |
|
|
|
698 |
|
|
NSLog(warning); |
699 |
nigel |
1.10 |
if ( PrefsFindBool("nogui") ) |
700 |
|
|
return; |
701 |
|
|
VideoQuitFullScreen(); |
702 |
nigel |
1.1 |
NSRunAlertPanel(title, warning, button, nil, nil); |
703 |
|
|
} |
704 |
|
|
|
705 |
|
|
|
706 |
|
|
/* |
707 |
|
|
* Display choice alert |
708 |
|
|
*/ |
709 |
|
|
|
710 |
|
|
bool ChoiceAlert(const char *text, const char *pos, const char *neg) |
711 |
|
|
{ |
712 |
|
|
NSString *title = [NSString stringWithCString: |
713 |
|
|
GetString(STR_WARNING_ALERT_TITLE) ]; |
714 |
|
|
NSString *warning = [NSString stringWithCString: text]; |
715 |
|
|
NSString *yes = [NSString stringWithCString: pos]; |
716 |
|
|
NSString *no = [NSString stringWithCString: neg]; |
717 |
|
|
|
718 |
|
|
return NSRunInformationalAlertPanel(title, warning, yes, no, nil); |
719 |
|
|
} |