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/* |
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* main_unix.cpp - Startup code for Unix |
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* |
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* Basilisk II (C) 1997-1999 Christian Bauer |
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* Basilisk II (C) 1997-2000 Christian Bauer |
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* |
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* This program is free software; you can redistribute it and/or modify |
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* it under the terms of the GNU General Public License as published by |
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#include "mon.h" |
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#endif |
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#ifdef USE_MAPPED_MEMORY |
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#include <sys/mman.h> |
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extern char *address_space, *good_address_map; |
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#endif |
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// Constants |
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const char ROM_FILE_NAME[] = "ROM"; |
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QuitEmulator(); |
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} |
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#if ENABLE_XF86_DGA |
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#if ENABLE_XF86_DGA && !ENABLE_MON |
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// Fork out, so we can return from fullscreen mode when things get ugly |
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XF86DGAForkApp(DefaultScreen(x_display)); |
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#endif |
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if (!PrefsEditor()) |
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QuitEmulator(); |
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// Create area for Mac RAM |
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// Read RAM size |
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RAMSize = PrefsFindInt32("ramsize") & 0xfff00000; // Round down to 1MB boundary |
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if (RAMSize < 1024*1024) { |
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WarningAlert(GetString(STR_SMALL_RAM_WARN)); |
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RAMSize = 1024*1024; |
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} |
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RAMBaseHost = new uint8[RAMSize]; |
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// Create area for Mac ROM |
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// Create areas for Mac RAM and ROM |
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#ifdef USE_MAPPED_MEMORY |
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int fd = open("/dev/zero", O_RDWR); |
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good_address_map = (char *)mmap(NULL, 1<<24, PROT_READ, MAP_PRIVATE, fd, 0); |
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address_space = (char *)mmap(NULL, 1<<24, PROT_READ | PROT_WRITE, MAP_PRIVATE, fd, 0); |
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if ((int)address_space < 0 || (int)good_address_map < 0) { |
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ErrorAlert(GetString(STR_NOT_ENOUGH_MEMORY_ERR)); |
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QuitEmulator(); |
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} |
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RAMBaseHost = (uint8 *)mmap(address_space, RAMSize, PROT_READ | PROT_WRITE, MAP_PRIVATE | MAP_FIXED, fd, 0); |
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ROMBaseHost = (uint8 *)mmap(address_space + 0x00400000, 0x80000, PROT_READ | PROT_WRITE, MAP_PRIVATE | MAP_FIXED, fd, 0); |
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close(fd); |
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char *nam = tmpnam(NULL); |
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int good_address_fd = open(nam, O_CREAT | O_RDWR, 0600); |
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char buffer[4096]; |
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memset(buffer, 1, sizeof(buffer)); |
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write(good_address_fd, buffer, sizeof(buffer)); |
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unlink(nam); |
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for (int i=0; i<RAMSize; i+=4096) |
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mmap(good_address_map + i, 4096, PROT_READ, MAP_FIXED | MAP_PRIVATE, good_address_fd, 0); |
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for (int i=0; i<0x80000; i+=4096) |
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mmap(good_address_map + i + 0x00400000, 4096, PROT_READ, MAP_FIXED | MAP_PRIVATE, good_address_fd, 0); |
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#else |
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RAMBaseHost = new uint8[RAMSize]; |
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ROMBaseHost = new uint8[0x100000]; |
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#endif |
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// Get rom file path from preferences |
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const char *rom_path = PrefsFindString("rom"); |
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req.it_value.tv_nsec = 16625000; |
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req.it_interval.tv_sec = 0; |
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req.it_interval.tv_nsec = 16625000; |
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if (timer_settime(timer, TIMER_RELTIME, &req, NULL) < 0) { |
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if (timer_settime(timer, 0, &req, NULL) < 0) { |
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printf("FATAL: cannot start timer\n"); |
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QuitEmulator(); |
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} |
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*/ |
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#if ENABLE_MON |
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extern void m68k_dumpstate(uaecptr *nextpc); |
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static void sigint_handler(...) |
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{ |
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uaecptr nextpc; |
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m68k_dumpstate(&nextpc); |
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char *arg[2] = {"rmon", NULL}; |
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mon(1, arg); |
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QuitEmulator(); |
