77 lines
2.8 KiB
C
77 lines
2.8 KiB
C
/*
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* main.h - Emulation core
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*
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* SheepShaver (C) 1997-2002 Christian Bauer and Marc Hellwig
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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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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#ifndef MAIN_H
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#define MAIN_H
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// Global variables
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extern void *TOC; // TOC pointer
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extern uint32 KernelDataAddr; // Address of Kernel Data
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extern uint32 BootGlobsAddr; // Address of BootGlobs structure at top of Mac RAM
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extern uint32 PVR; // Theoretical PVR
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extern int64 CPUClockSpeed; // Processor clock speed (Hz)
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extern int64 BusClockSpeed; // Bus clock speed (Hz)
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#ifdef __BEOS__
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extern system_info SysInfo; // System information
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#endif
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// 68k register structure (for Execute68k())
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struct M68kRegisters {
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uint32 d[8];
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uint32 a[8];
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};
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// Functions
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extern void Dump68kRegs(M68kRegisters *r); // Dump 68k registers
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extern void MakeExecutable(int dummy, void *start, uint32 length); // Make code executable
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extern void PatchAfterStartup(void); // Patches after system startup
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extern void QuitEmulator(void); // Quit emulator (must only be called from main thread)
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extern void ErrorAlert(const char *text); // Display error alert
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extern void WarningAlert(const char *text); // Display warning alert
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extern bool ChoiceAlert(const char *text, const char *pos, const char *neg); // Display choice alert
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// Mutexes (non-recursive)
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struct B2_mutex;
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extern B2_mutex *B2_create_mutex(void);
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extern void B2_lock_mutex(B2_mutex *mutex);
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extern void B2_unlock_mutex(B2_mutex *mutex);
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extern void B2_delete_mutex(B2_mutex *mutex);
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// Interrupt flags
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enum {
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INTFLAG_VIA = 1, // 60.15Hz VBL
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INTFLAG_SERIAL = 2, // Serial driver
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INTFLAG_ETHER = 4, // Ethernet driver
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INTFLAG_AUDIO = 16, // Audio block read
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INTFLAG_TIMER = 32, // Time Manager
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INTFLAG_ADB = 64 // ADB
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};
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extern volatile uint32 InterruptFlags; // Currently pending interrupts
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extern void SetInterruptFlag(uint32);
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extern void ClearInterruptFlag(uint32);
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extern void TriggerInterrupt(void); // Trigger SIGUSR1 interrupt in emulator thread
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extern void DisableInterrupt(void); // Disable SIGUSR1 interrupt (can be nested)
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extern void EnableInterrupt(void); // Enable SIGUSR1 interrupt (can be nested)
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#endif
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