1 |
nigel |
1.1 |
/* |
2 |
nigel |
1.15 |
* $Id: main_macosx.mm,v 1.14 2005/09/19 07:49:12 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 |
1.13 |
* Basilisk II (C) 1997-2005 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 |
|
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 |
nigel |
1.12 |
extern void flush_icache_range(uint32 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 |
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// CPU and FPU type, addressing mode |
77 |
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int CPUType; |
78 |
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bool CPUIs68060; |
79 |
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int FPUType; |
80 |
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bool TwentyFourBitAddressing; |
81 |
nigel |
1.14 |
bool ThirtyThreeBitAddressing = false; |
82 |
nigel |
1.1 |
|
83 |
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84 |
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// Global variables |
85 |
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86 |
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#ifdef HAVE_PTHREADS |
87 |
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88 |
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static pthread_mutex_t intflag_lock = PTHREAD_MUTEX_INITIALIZER; // Mutex to protect InterruptFlags |
89 |
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#define LOCK_INTFLAGS pthread_mutex_lock(&intflag_lock) |
90 |
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#define UNLOCK_INTFLAGS pthread_mutex_unlock(&intflag_lock) |
91 |
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92 |
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#else |
93 |
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94 |
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#define LOCK_INTFLAGS |
95 |
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#define UNLOCK_INTFLAGS |
96 |
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97 |
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#endif |
98 |
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99 |
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#if USE_SCRATCHMEM_SUBTERFUGE |
100 |
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uint8 *ScratchMem = NULL; // Scratch memory for Mac ROM writes |
101 |
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#endif |
102 |
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103 |
nigel |
1.3 |
#ifdef ENABLE_MON |
104 |
nigel |
1.1 |
static struct sigaction sigint_sa; // sigaction for SIGINT handler |
105 |
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static void sigint_handler(...); |
106 |
nigel |
1.3 |
#endif |
107 |
nigel |
1.1 |
|
108 |
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#if REAL_ADDRESSING |
109 |
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static bool lm_area_mapped = false; // Flag: Low Memory area mmap()ped |
110 |
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#endif |
111 |
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112 |
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113 |
nigel |
1.8 |
/* |
114 |
nigel |
1.15 |
* Helpers to map memory that can be accessed from the Mac side |
115 |
nigel |
1.14 |
*/ |
116 |
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117 |
nigel |
1.15 |
// NOTE: VM_MAP_33BIT is only used when compiling a 64-bit JIT on specific platforms |
118 |
nigel |
1.14 |
void *vm_acquire_mac(size_t size) |
119 |
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{ |
120 |
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void *m = vm_acquire(size, VM_MAP_DEFAULT | VM_MAP_33BIT); |
121 |
nigel |
1.15 |
#ifdef USE_33BIT_ADDRESSING |
122 |
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if (m == VM_MAP_FAILED) { |
123 |
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printf("WARNING: Cannot acquire memory in 33-bit address space (%s)\n", strerror(errno)); |
124 |
nigel |
1.14 |
ThirtyThreeBitAddressing = false; |
125 |
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m = vm_acquire(size); |
126 |
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} |
127 |
nigel |
1.15 |
#endif |
128 |
nigel |
1.14 |
return m; |
129 |
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} |
130 |
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131 |
nigel |
1.15 |
static int vm_acquire_mac_fixed(void *addr, size_t size) |
132 |
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{ |
133 |
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int ret = vm_acquire_fixed(addr, size, VM_MAP_DEFAULT | VM_MAP_33BIT); |
134 |
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#ifdef USE_33BIT_ADDRESSING |
135 |
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if (ret < 0) { |
136 |
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printf("WARNING: Cannot acquire fixed memory in 33-bit address space (%s)\n", strerror(errno)); |
137 |
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ThirtyThreeBitAddressing = false; |
138 |
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ret = vm_acquire_fixed(addr, size); |
139 |
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} |
140 |
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#endif |
141 |
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return ret; |
142 |
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} |
143 |
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144 |
nigel |
1.14 |
|
145 |
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/* |
146 |
nigel |
1.10 |
* SIGSEGV handler |
147 |
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*/ |
148 |
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149 |
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static sigsegv_return_t sigsegv_handler(sigsegv_address_t fault_address, |
150 |
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sigsegv_address_t fault_instruction) |
151 |
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{ |
152 |
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#if ENABLE_VOSF |
153 |
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// Handle screen fault |
154 |
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extern bool Screen_fault_handler(sigsegv_address_t, sigsegv_address_t); |
155 |
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if (Screen_fault_handler(fault_address, fault_instruction)) |
156 |
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return SIGSEGV_RETURN_SUCCESS; |
157 |
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#endif |
158 |
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159 |
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#ifdef HAVE_SIGSEGV_SKIP_INSTRUCTION |
160 |
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// Ignore writes to ROM |
161 |
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if (((uintptr)fault_address - (uintptr)ROMBaseHost) < ROMSize) |
162 |
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return SIGSEGV_RETURN_SKIP_INSTRUCTION; |
163 |
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164 |
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// Ignore all other faults, if requested |
165 |
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if (PrefsFindBool("ignoresegv")) |
166 |
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return SIGSEGV_RETURN_SKIP_INSTRUCTION; |
167 |
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#endif |
168 |
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169 |
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return SIGSEGV_RETURN_FAILURE; |
170 |
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} |
171 |
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172 |
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173 |
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/* |
174 |
nigel |
1.8 |
* Dump state when everything went wrong after a SEGV |
175 |
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*/ |
176 |
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177 |
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static void sigsegv_dump_state(sigsegv_address_t fault_address, sigsegv_address_t fault_instruction) |
178 |
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{ |
179 |
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fprintf(stderr, "Caught SIGSEGV at address %p", fault_address); |
180 |
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if (fault_instruction != SIGSEGV_INVALID_PC) |
181 |
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fprintf(stderr, " [IP=%p]", fault_instruction); |
182 |
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fprintf(stderr, "\n"); |
183 |
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uaecptr nextpc; |
184 |
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extern void m68k_dumpstate(uaecptr *nextpc); |
185 |
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m68k_dumpstate(&nextpc); |
186 |
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#if USE_JIT && JIT_DEBUG |
187 |
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extern void compiler_dumpstate(void); |
188 |
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compiler_dumpstate(); |
189 |
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#endif |
190 |
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VideoQuitFullScreen(); |
191 |
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#ifdef ENABLE_MON |
192 |
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char *arg[4] = {"mon", "-m", "-r", NULL}; |
193 |
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mon(3, arg); |
194 |
nigel |
1.15 |
#endif |
195 |
nigel |
1.8 |
QuitEmulator(); |
196 |
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} |
197 |
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198 |
nigel |
1.1 |
|
199 |
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/* |
200 |
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* Main program |
201 |
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*/ |
202 |
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203 |
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static void usage(const char *prg_name) |
204 |
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{ |
205 |
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printf("Usage: %s [OPTION...]\n", prg_name); |
206 |
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printf("\nUnix options:\n"); |
207 |
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printf(" --help\n display this usage message\n"); |
208 |
nigel |
1.8 |
printf(" --config FILE\n read/write configuration from/to FILE\n"); |
209 |
nigel |
1.1 |
printf(" --break ADDRESS\n set ROM breakpoint\n"); |
210 |
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printf(" --rominfo\n dump ROM information\n"); |
211 |
nigel |
1.8 |
LoadPrefs(); // read the prefs file so PrefsPrintUsage() will print the correct default values |
212 |
nigel |
1.1 |
PrefsPrintUsage(); |
213 |
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exit(0); |
214 |
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} |
215 |
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216 |
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int main(int argc, char **argv) |
217 |
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{ |
218 |
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// Initialize variables |
219 |
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RAMBaseHost = NULL; |
220 |
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ROMBaseHost = NULL; |
221 |
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srand(time(NULL)); |
222 |
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tzset(); |
223 |
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224 |
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// Print some info |
225 |
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printf(GetString(STR_ABOUT_TEXT1), VERSION_MAJOR, VERSION_MINOR); |
226 |
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printf(" %s\n", GetString(STR_ABOUT_TEXT2)); |
227 |
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228 |
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// Parse command line arguments |
229 |
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for (int i=1; i<argc; i++) { |
230 |
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if (strcmp(argv[i], "--help") == 0) { |
231 |
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usage(argv[0]); |
232 |
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} else if (strncmp(argv[i], "-psn_", 5) == 0) {// OS X process identifier |
233 |
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i++; |
234 |
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} else if (strcmp(argv[i], "--break") == 0) { |
235 |
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i++; |
236 |
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if (i < argc) |
237 |
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ROMBreakpoint = strtol(argv[i], NULL, 0); |
238 |
nigel |
1.8 |
} else if (strcmp(argv[i], "--config") == 0) { |
239 |
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argv[i++] = NULL; |
240 |
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if (i < argc) { |
241 |
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extern string UserPrefsPath; // from prefs_unix.cpp |
242 |
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UserPrefsPath = argv[i]; |
243 |
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argv[i] = NULL; |
244 |
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} |
245 |
nigel |
1.1 |
} else if (strcmp(argv[i], "--rominfo") == 0) { |
246 |
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PrintROMInfo = true; |
247 |
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} else if (argv[i][0] == '-') { |
248 |
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fprintf(stderr, "Unrecognized option '%s'\n", argv[i]); |
249 |
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usage(argv[0]); |
250 |
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} |
251 |
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} |
252 |
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253 |
nigel |
1.10 |
// Read preferences |
254 |
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PrefsInit(argc, argv); |
255 |
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256 |
nigel |
1.1 |
// Init system routines |
257 |
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SysInit(); |
258 |
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259 |
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// Open display, attach to window server, |
260 |
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// load pre-instantiated classes from MainMenu.nib, start run loop |
261 |
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int i = NSApplicationMain(argc, (const char **)argv); |
262 |
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// We currently never get past here, because QuitEmulator() does an exit() |
263 |
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264 |
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// Exit system routines |
265 |
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SysExit(); |
266 |
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267 |
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// Exit preferences |
268 |
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PrefsExit(); |
269 |
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270 |
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return i; |
271 |
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} |
272 |
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273 |
nigel |
1.7 |
#define QuitEmulator() { QuitEmuNoExit() ; return NO; } |
274 |
nigel |
1.1 |
|
275 |
|
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bool InitEmulator (void) |
276 |
|
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{ |
277 |
|
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char str[256]; |
278 |
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279 |
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280 |
nigel |
1.10 |
// Install the handler for SIGSEGV |
281 |
|
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if (!sigsegv_install_handler(sigsegv_handler)) { |
282 |
|
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sprintf(str, GetString(STR_SIG_INSTALL_ERR), "SIGSEGV", strerror(errno)); |
283 |
|
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ErrorAlert(str); |
284 |
|
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QuitEmulator(); |
285 |
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} |
286 |
nigel |
1.8 |
|
287 |
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// Register dump state function when we got mad after a segfault |
288 |
|
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sigsegv_set_dump_state(sigsegv_dump_state); |
289 |
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290 |
nigel |
1.1 |
// Read RAM size |
291 |
|
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RAMSize = PrefsFindInt32("ramsize") & 0xfff00000; // Round down to 1MB boundary |
292 |
|
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if (RAMSize < 1024*1024) { |
293 |
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WarningAlert(GetString(STR_SMALL_RAM_WARN)); |
294 |
|
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RAMSize = 1024*1024; |
295 |
|
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} |
296 |
nigel |
1.15 |
if (RAMSize > 1023*1024*1024) // Cap to 1023MB (APD crashes at 1GB) |
297 |
|
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RAMSize = 1023*1024*1024; |
298 |
nigel |
1.1 |
|
299 |
|
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#if REAL_ADDRESSING || DIRECT_ADDRESSING |
300 |
|
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RAMSize = RAMSize & -getpagesize(); // Round down to page boundary |
301 |
|
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#endif |
302 |
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|
303 |
|
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// Initialize VM system |
304 |
|
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vm_init(); |
305 |
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|
306 |
nigel |
1.15 |
#ifdef USE_33BIT_ADDRESSING |
307 |
|
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// Speculatively enables 33-bit addressing |
308 |
|
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ThirtyThreeBitAddressing = true; |
309 |
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#endif |
310 |
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|
311 |
nigel |
1.1 |
#if REAL_ADDRESSING |
312 |
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// Flag: RAM and ROM are contigously allocated from address 0 |
313 |
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bool memory_mapped_from_zero = false; |
314 |
nigel |
1.15 |
|
315 |
|
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// Make sure to map RAM & ROM at address 0 only on platforms that |
316 |
|
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// supports linker scripts to relocate the Basilisk II executable |
317 |
|
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// above 0x70000000 |
318 |
|
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#if HAVE_LINKER_SCRIPT |
319 |
|
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const bool can_map_all_memory = true; |
320 |
|
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#else |
321 |
nigel |
1.1 |
const bool can_map_all_memory = false; |
322 |
|
|
#endif |
323 |
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324 |
|
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// Try to allocate all memory from 0x0000, if it is not known to crash |
325 |
nigel |
1.15 |
if (can_map_all_memory && (vm_acquire_mac_fixed(0, RAMSize + 0x100000) == 0)) { |
326 |
nigel |
1.1 |
D(bug("Could allocate RAM and ROM from 0x0000\n")); |
327 |
|
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memory_mapped_from_zero = true; |
328 |
|
|
} |
329 |
nigel |
1.15 |
|
330 |
nigel |
1.10 |
#ifndef PAGEZERO_HACK |
331 |
nigel |
1.1 |
// Otherwise, just create the Low Memory area (0x0000..0x2000) |
332 |
nigel |
1.15 |
else if (vm_acquire_mac_fixed(0, 0x2000) == 0) { |
333 |
nigel |
1.1 |
D(bug("Could allocate the Low Memory globals\n")); |
334 |
|
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lm_area_mapped = true; |
335 |
|
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} |
336 |
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|
337 |
|
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// Exit on failure |
338 |
|
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else { |
339 |
|
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sprintf(str, GetString(STR_LOW_MEM_MMAP_ERR), strerror(errno)); |
340 |
|
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ErrorAlert(str); |
341 |
|
|
QuitEmulator(); |
342 |
|
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} |
343 |
nigel |
1.10 |
#endif |
344 |
nigel |
1.4 |
#else |
345 |
|
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*str = 0; // Eliminate unused variable warning |
346 |
nigel |
1.10 |
#endif /* REAL_ADDRESSING */ |
347 |
nigel |
1.1 |
|
348 |
|
|
// Create areas for Mac RAM and ROM |
349 |
|
|
#if REAL_ADDRESSING |
350 |
|
|
if (memory_mapped_from_zero) { |
351 |
|
|
RAMBaseHost = (uint8 *)0; |
352 |
|
|
ROMBaseHost = RAMBaseHost + RAMSize; |
353 |
|
|
} |
354 |
|
|
else |
355 |
|
|
#endif |
356 |
|
|
{ |
357 |
nigel |
1.14 |
uint8 *ram_rom_area = (uint8 *)vm_acquire_mac(RAMSize + 0x100000); |
358 |
|
|
if (ram_rom_area == VM_MAP_FAILED) { |
359 |
nigel |
1.1 |
ErrorAlert(STR_NO_MEM_ERR); |
360 |
|
|
QuitEmulator(); |
361 |
|
|
} |
362 |
nigel |
1.14 |
RAMBaseHost = ram_rom_area; |
363 |
|
|
ROMBaseHost = RAMBaseHost + RAMSize; |
364 |
nigel |
1.1 |
} |
365 |
|
|
|
366 |
|
|
#if USE_SCRATCHMEM_SUBTERFUGE |
367 |
|
|
// Allocate scratch memory |
368 |
nigel |
1.15 |
ScratchMem = (uint8 *)vm_acquire_mac(SCRATCH_MEM_SIZE); |
369 |
nigel |
1.1 |
if (ScratchMem == VM_MAP_FAILED) { |
370 |
|
|
ErrorAlert(STR_NO_MEM_ERR); |
371 |
|
|
QuitEmulator(); |
372 |
|
|
} |
373 |
|
|
ScratchMem += SCRATCH_MEM_SIZE/2; // ScratchMem points to middle of block |
374 |
|
|
#endif |
375 |
|
|
|
376 |
|
|
#if DIRECT_ADDRESSING |
377 |
|
|
// RAMBaseMac shall always be zero |
378 |
|
|
MEMBaseDiff = (uintptr)RAMBaseHost; |
379 |
|
|
RAMBaseMac = 0; |
380 |
|
|
ROMBaseMac = Host2MacAddr(ROMBaseHost); |
381 |
|
|
#endif |
382 |
|
|
#if REAL_ADDRESSING |
383 |
nigel |
1.15 |
RAMBaseMac = Host2MacAddr(RAMBaseHost); |
384 |
|
|
ROMBaseMac = Host2MacAddr(ROMBaseHost); |
385 |
nigel |
1.1 |
#endif |
386 |
|
|
D(bug("Mac RAM starts at %p (%08x)\n", RAMBaseHost, RAMBaseMac)); |
387 |
|
|
D(bug("Mac ROM starts at %p (%08x)\n", ROMBaseHost, ROMBaseMac)); |
388 |
|
|
|
389 |
|
|
// Get rom file path from preferences |
390 |
|
|
const char *rom_path = PrefsFindString("rom"); |
391 |
nigel |
1.6 |
if ( ! rom_path ) |
392 |
|
|
WarningAlert("No rom pathname set. Trying ./ROM"); |
393 |
nigel |
1.1 |
|
394 |
|
|
// Load Mac ROM |
395 |
|
|
int rom_fd = open(rom_path ? rom_path : ROM_FILE_NAME, O_RDONLY); |
396 |
|
|
if (rom_fd < 0) { |
397 |
|
|
ErrorAlert(STR_NO_ROM_FILE_ERR); |
398 |
|
|
QuitEmulator(); |
399 |
|
|
} |
400 |
|
|
printf(GetString(STR_READING_ROM_FILE)); |
401 |
|
|
ROMSize = lseek(rom_fd, 0, SEEK_END); |
402 |
|
|
if (ROMSize != 64*1024 && ROMSize != 128*1024 && ROMSize != 256*1024 && ROMSize != 512*1024 && ROMSize != 1024*1024) { |
403 |
|
|
ErrorAlert(STR_ROM_SIZE_ERR); |
404 |
|
|
close(rom_fd); |
405 |
|
|
QuitEmulator(); |
406 |
|
|
} |
407 |
|
|
lseek(rom_fd, 0, SEEK_SET); |
408 |
|
|
if (read(rom_fd, ROMBaseHost, ROMSize) != (ssize_t)ROMSize) { |
409 |
|
|
ErrorAlert(STR_ROM_FILE_READ_ERR); |
410 |
|
|
close(rom_fd); |
411 |
|
|
QuitEmulator(); |
412 |
|
|
} |
413 |
|
|
|
414 |
|
|
|
415 |
|
|
// Initialize everything |
416 |
|
|
if (!InitAll()) |
417 |
|
|
QuitEmulator(); |
418 |
|
|
D(bug("Initialization complete\n")); |
419 |
|
|
|
420 |
|
|
|
421 |
|
|
#ifdef ENABLE_MON |
422 |
|
|
// Setup SIGINT handler to enter mon |
423 |
|
|
sigemptyset(&sigint_sa.sa_mask); |
424 |
|
|
sigint_sa.sa_handler = (void (*)(int))sigint_handler; |
425 |
|
|
sigint_sa.sa_flags = 0; |
426 |
|
|
sigaction(SIGINT, &sigint_sa, NULL); |
427 |
|
|
#endif |
428 |
|
|
|
429 |
|
|
|
430 |
|
|
return YES; |
431 |
|
|
} |
432 |
|
|
|
433 |
|
|
#undef QuitEmulator() |
434 |
|
|
|
435 |
|
|
|
436 |
|
|
/* |
437 |
|
|
* Quit emulator |
438 |
|
|
*/ |
439 |
|
|
|
440 |
|
|
void QuitEmuNoExit() |
441 |
|
|
{ |
442 |
|
|
D(bug("QuitEmulator\n")); |
443 |
|
|
|
444 |
|
|
// Exit 680x0 emulation |
445 |
|
|
Exit680x0(); |
446 |
|
|
|
447 |
|
|
// Deinitialize everything |
448 |
|
|
ExitAll(); |
449 |
|
|
|
450 |
|
|
// Free ROM/RAM areas |
451 |
|
|
if (RAMBaseHost != VM_MAP_FAILED) { |
452 |
nigel |
1.14 |
vm_release(RAMBaseHost, RAMSize + 0x100000); |
453 |
nigel |
1.1 |
RAMBaseHost = NULL; |
454 |
nigel |
1.15 |
ROMBaseHost = NULL; |
455 |
nigel |
1.1 |
} |
456 |
|
|
|
457 |
|
|
#if USE_SCRATCHMEM_SUBTERFUGE |
458 |
|
|
// Delete scratch memory area |
459 |
|
|
if (ScratchMem != (uint8 *)VM_MAP_FAILED) { |
460 |
|
|
vm_release((void *)(ScratchMem - SCRATCH_MEM_SIZE/2), SCRATCH_MEM_SIZE); |
461 |
|
|
ScratchMem = NULL; |
462 |
|
|
} |
463 |
|
|
#endif |
464 |
|
|
|
465 |
|
|
#if REAL_ADDRESSING |
466 |
|
|
// Delete Low Memory area |
467 |
|
|
if (lm_area_mapped) |
468 |
|
|
vm_release(0, 0x2000); |
469 |
|
|
#endif |
470 |
|
|
|
471 |
|
|
// Exit VM wrappers |
472 |
|
|
vm_exit(); |
473 |
|
|
|
474 |
|
|
// Exit system routines |
475 |
|
|
SysExit(); |
476 |
|
|
|
477 |
|
|
// Exit preferences |
478 |
|
|
PrefsExit(); |
479 |
|
|
} |
480 |
|
|
|
481 |
|
|
void QuitEmulator(void) |
482 |
|
|
{ |
483 |
|
|
QuitEmuNoExit(); |
484 |
nigel |
1.6 |
|
485 |
|
|
// Stop run loop? |
486 |
|
|
[NSApp terminate: nil]; |
487 |
|
|
|
488 |
nigel |
1.1 |
exit(0); |
489 |
|
|
} |
490 |
|
|
|
491 |
|
|
|
492 |
|
|
/* |
493 |
|
|
* Code was patched, flush caches if neccessary (i.e. when using a real 680x0 |
494 |
|
|
* or a dynamically recompiling emulator) |
495 |
|
|
*/ |
496 |
|
|
|
497 |
|
|
void FlushCodeCache(void *start, uint32 size) |
498 |
|
|
{ |
499 |
nigel |
1.8 |
#if USE_JIT |
500 |
|
|
if (UseJIT) |
501 |
nigel |
1.12 |
flush_icache_range((uintptr)start, size); |
502 |
nigel |
1.8 |
#endif |
503 |
nigel |
1.1 |
} |
504 |
|
|
|
505 |
|
|
|
506 |
|
|
/* |
507 |
|
|
* SIGINT handler, enters mon |
508 |
|
|
*/ |
509 |
|
|
|
510 |
|
|
#ifdef ENABLE_MON |
511 |
|
|
static void sigint_handler(...) |
512 |
|
|
{ |
513 |
|
|
uaecptr nextpc; |
514 |
|
|
extern void m68k_dumpstate(uaecptr *nextpc); |
515 |
|
|
m68k_dumpstate(&nextpc); |
516 |
|
|
VideoQuitFullScreen(); |
517 |
|
|
char *arg[4] = {"mon", "-m", "-r", NULL}; |
518 |
|
|
mon(3, arg); |
519 |
|
|
QuitEmulator(); |
520 |
|
|
} |
521 |
|
|
#endif |
522 |
|
|
|
523 |
|
|
|
524 |
nigel |
1.14 |
#ifdef HAVE_PTHREADS |
525 |
|
|
/* |
526 |
|
|
* Pthread configuration |
527 |
|
|
*/ |
528 |
|
|
|
529 |
|
|
void Set_pthread_attr(pthread_attr_t *attr, int priority) |
530 |
|
|
{ |
531 |
|
|
pthread_attr_init(attr); |
532 |
|
|
#if defined(_POSIX_THREAD_PRIORITY_SCHEDULING) |
533 |
|
|
// Some of these only work for superuser |
534 |
|
|
if (geteuid() == 0) { |
535 |
|
|
pthread_attr_setinheritsched(attr, PTHREAD_EXPLICIT_SCHED); |
536 |
|
|
pthread_attr_setschedpolicy(attr, SCHED_FIFO); |
537 |
|
|
struct sched_param fifo_param; |
538 |
|
|
fifo_param.sched_priority = ((sched_get_priority_min(SCHED_FIFO) |
539 |
|
|
+ sched_get_priority_max(SCHED_FIFO)) |
540 |
|
|
/ 2 + priority); |
541 |
|
|
pthread_attr_setschedparam(attr, &fifo_param); |
542 |
|
|
} |
543 |
|
|
if (pthread_attr_setscope(attr, PTHREAD_SCOPE_SYSTEM) != 0) { |
544 |
|
|
#ifdef PTHREAD_SCOPE_BOUND_NP |
545 |
|
|
// If system scope is not available (eg. we're not running |
546 |
|
|
// with CAP_SCHED_MGT capability on an SGI box), try bound |
547 |
|
|
// scope. It exposes pthread scheduling to the kernel, |
548 |
|
|
// without setting realtime priority. |
549 |
|
|
pthread_attr_setscope(attr, PTHREAD_SCOPE_BOUND_NP); |
550 |
|
|
#endif |
551 |
|
|
} |
552 |
|
|
#endif |
553 |
|
|
} |
554 |
|
|
#endif // HAVE_PTHREADS |
555 |
|
|
|
556 |
|
|
|
557 |
nigel |
1.1 |
/* |
558 |
|
|
* Mutexes |
559 |
|
|
*/ |
560 |
|
|
|
561 |
|
|
#ifdef HAVE_PTHREADS |
562 |
|
|
|
563 |
|
|
struct B2_mutex { |
564 |
nigel |
1.10 |
B2_mutex() { |
565 |
|
|
pthread_mutexattr_t attr; |
566 |
|
|
pthread_mutexattr_init(&attr); |
567 |
|
|
// Initialize the mutex for priority inheritance -- |
568 |
|
|
// required for accurate timing. |
569 |
|
|
#ifdef HAVE_PTHREAD_MUTEXATTR_SETPROTOCOL |
570 |
|
|
pthread_mutexattr_setprotocol(&attr, PTHREAD_PRIO_INHERIT); |
571 |
|
|
#endif |
572 |
|
|
#if defined(HAVE_PTHREAD_MUTEXATTR_SETTYPE) && defined(PTHREAD_MUTEX_NORMAL) |
573 |
|
|
pthread_mutexattr_settype(&attr, PTHREAD_MUTEX_NORMAL); |
574 |
|
|
#endif |
575 |
|
|
#ifdef HAVE_PTHREAD_MUTEXATTR_SETPSHARED |
576 |
|
|
pthread_mutexattr_setpshared(&attr, PTHREAD_PROCESS_PRIVATE); |
577 |
|
|
#endif |
578 |
|
|
pthread_mutex_init(&m, &attr); |
579 |
|
|
pthread_mutexattr_destroy(&attr); |
580 |
|
|
} |
581 |
|
|
~B2_mutex() { |
582 |
|
|
pthread_mutex_trylock(&m); // Make sure it's locked before |
583 |
|
|
pthread_mutex_unlock(&m); // unlocking it. |
584 |
|
|
pthread_mutex_destroy(&m); |
585 |
|
|
} |
586 |
nigel |
1.1 |
pthread_mutex_t m; |
587 |
|
|
}; |
588 |
|
|
|
589 |
|
|
B2_mutex *B2_create_mutex(void) |
590 |
|
|
{ |
591 |
|
|
return new B2_mutex; |
592 |
|
|
} |
593 |
|
|
|
594 |
|
|
void B2_lock_mutex(B2_mutex *mutex) |
595 |
|
|
{ |
596 |
|
|
pthread_mutex_lock(&mutex->m); |
597 |
|
|
} |
598 |
|
|
|
599 |
|
|
void B2_unlock_mutex(B2_mutex *mutex) |
600 |
|
|
{ |
601 |
|
|
pthread_mutex_unlock(&mutex->m); |
602 |
|
|
} |
603 |
|
|
|
604 |
|
|
void B2_delete_mutex(B2_mutex *mutex) |
605 |
|
|
{ |
606 |
|
|
delete mutex; |
607 |
|
|
} |
608 |
|
|
|
609 |
|
|
#else |
610 |
|
|
|
611 |
|
|
struct B2_mutex { |
612 |
|
|
int dummy; |
613 |
|
|
}; |
614 |
|
|
|
615 |
|
|
B2_mutex *B2_create_mutex(void) |
616 |
|
|
{ |
617 |
|
|
return new B2_mutex; |
618 |
|
|
} |
619 |
|
|
|
620 |
|
|
void B2_lock_mutex(B2_mutex *mutex) |
621 |
|
|
{ |
622 |
|
|
} |
623 |
|
|
|
624 |
|
|
void B2_unlock_mutex(B2_mutex *mutex) |
625 |
|
|
{ |
626 |
|
|
} |
627 |
|
|
|
628 |
|
|
void B2_delete_mutex(B2_mutex *mutex) |
629 |
|
|
{ |
630 |
|
|
delete mutex; |
631 |
|
|
} |
632 |
|
|
|
633 |
|
|
#endif |
634 |
|
|
|
635 |
|
|
|
636 |
|
|
/* |
637 |
|
|
* Interrupt flags (must be handled atomically!) |
638 |
|
|
*/ |
639 |
|
|
|
640 |
|
|
uint32 InterruptFlags = 0; |
641 |
|
|
|
642 |
|
|
void SetInterruptFlag(uint32 flag) |
643 |
|
|
{ |
644 |
|
|
LOCK_INTFLAGS; |
645 |
|
|
InterruptFlags |= flag; |
646 |
|
|
UNLOCK_INTFLAGS; |
647 |
|
|
} |
648 |
|
|
|
649 |
|
|
void ClearInterruptFlag(uint32 flag) |
650 |
|
|
{ |
651 |
|
|
LOCK_INTFLAGS; |
652 |
|
|
InterruptFlags &= ~flag; |
653 |
|
|
UNLOCK_INTFLAGS; |
654 |
|
|
} |
655 |
|
|
|
656 |
|
|
|
657 |
|
|
/* |
658 |
|
|
* Display error alert |
659 |
|
|
*/ |
660 |
|
|
|
661 |
|
|
void ErrorAlert(const char *text) |
662 |
|
|
{ |
663 |
|
|
NSString *title = [NSString stringWithCString: |
664 |
|
|
GetString(STR_ERROR_ALERT_TITLE) ]; |
665 |
|
|
NSString *error = [NSString stringWithCString: text]; |
666 |
|
|
NSString *button = [NSString stringWithCString: GetString(STR_QUIT_BUTTON) ]; |
667 |
|
|
|
668 |
|
|
NSLog(error); |
669 |
nigel |
1.10 |
if ( PrefsFindBool("nogui") ) |
670 |
|
|
return; |
671 |
|
|
VideoQuitFullScreen(); |
672 |
nigel |
1.1 |
NSRunCriticalAlertPanel(title, error, button, nil, nil); |
673 |
|
|
} |
674 |
|
|
|
675 |
|
|
|
676 |
|
|
/* |
677 |
|
|
* Display warning alert |
678 |
|
|
*/ |
679 |
|
|
|
680 |
|
|
void WarningAlert(const char *text) |
681 |
|
|
{ |
682 |
|
|
NSString *title = [NSString stringWithCString: |
683 |
|
|
GetString(STR_WARNING_ALERT_TITLE) ]; |
684 |
|
|
NSString *warning = [NSString stringWithCString: text]; |
685 |
|
|
NSString *button = [NSString stringWithCString: GetString(STR_OK_BUTTON) ]; |
686 |
|
|
|
687 |
|
|
NSLog(warning); |
688 |
nigel |
1.10 |
if ( PrefsFindBool("nogui") ) |
689 |
|
|
return; |
690 |
|
|
VideoQuitFullScreen(); |
691 |
nigel |
1.1 |
NSRunAlertPanel(title, warning, button, nil, nil); |
692 |
|
|
} |
693 |
|
|
|
694 |
|
|
|
695 |
|
|
/* |
696 |
|
|
* Display choice alert |
697 |
|
|
*/ |
698 |
|
|
|
699 |
|
|
bool ChoiceAlert(const char *text, const char *pos, const char *neg) |
700 |
|
|
{ |
701 |
|
|
NSString *title = [NSString stringWithCString: |
702 |
|
|
GetString(STR_WARNING_ALERT_TITLE) ]; |
703 |
|
|
NSString *warning = [NSString stringWithCString: text]; |
704 |
|
|
NSString *yes = [NSString stringWithCString: pos]; |
705 |
|
|
NSString *no = [NSString stringWithCString: neg]; |
706 |
|
|
|
707 |
|
|
return NSRunInformationalAlertPanel(title, warning, yes, no, nil); |
708 |
|
|
} |