[ViewVC] Diff of: cebix/SheepShaver/src/Unix/main

Comparing SheepShaver/src/Unix/main_unix.cpp (file contents):
Revision 1.13 by gbeauche, 2003-11-03T21:28:25Z vs.
Revision 1.26 by gbeauche, 2004-01-18T22:14:31Z

#	Line 1 \| Line 1
1		/*
2		* main_unix.cpp - Emulation core, Unix implementation
3		*
4	<	* SheepShaver (C) 1997-2002 Christian Bauer and Marc Hellwig
4	>	* SheepShaver (C) 1997-2004 Christian Bauer and Marc Hellwig
5		*
6		* This program is free software; you can redistribute it and/or modify
7		* it under the terms of the GNU General Public License as published by
#	Line 109 \| Line 109
109		#include "user_strings.h"
110		#include "vm_alloc.h"
111		#include "sigsegv.h"
112	+	#include "thunks.h"
113
114		#define DEBUG 0
115		#include "debug.h"
#	Line 131 \| Line 132
132		#endif
133
134
135	+	// Enable emulation of unaligned lmw/stmw?
136	+	#define EMULATE_UNALIGNED_LOADSTORE_MULTIPLE 1
137	+
138		// Enable Execute68k() safety checks?
139		#define SAFE_EXEC_68K 0
140
#	Line 145 \| Line 149
149		const char ROM_FILE_NAME[] = "ROM";
150		const char ROM_FILE_NAME2[] = "Mac OS ROM";
151
152	<	const uint32 RAM_BASE = 0x20000000; // Base address of RAM
152	>	const uintptr RAM_BASE = 0x20000000; // Base address of RAM
153		const uint32 SIG_STACK_SIZE = 0x10000; // Size of signal stack
154
155
156		#if !EMULATED_PPC
153	–	// Structure in which registers are saved in a signal handler;
154	–	// sigcontext->regs points to it
155	–	// (see arch/ppc/kernel/signal.c)
156	–	typedef struct {
157	–	uint32 u[4];
158	–	} __attribute((aligned(16))) vector128;
159	–	#include <linux/elf.h>
160	–
157		struct sigregs {
158	<	elf_gregset_t gp_regs; // Identical to pt_regs
159	<	double fp_regs[ELF_NFPREG]; // f0..f31 and fpsrc
160	<	//more (uninteresting) stuff following here
158	>	uint32 nip;
159	>	uint32 link;
160	>	uint32 ctr;
161	>	uint32 msr;
162	>	uint32 xer;
163	>	uint32 ccr;
164	>	uint32 gpr[32];
165	>	};
166	>
167	>	#if defined(__linux__)
168	>	struct machine_regs : public pt_regs
169	>	{
170	>	u_long & cr() { return pt_regs::ccr; }
171	>	uint32 cr() const { return pt_regs::ccr; }
172	>	uint32 lr() const { return pt_regs::link; }
173	>	uint32 ctr() const { return pt_regs::ctr; }
174	>	uint32 xer() const { return pt_regs::xer; }
175	>	uint32 msr() const { return pt_regs::msr; }
176	>	uint32 dar() const { return pt_regs::dar; }
177	>	u_long & pc() { return pt_regs::nip; }
178	>	uint32 pc() const { return pt_regs::nip; }
179	>	u_long & gpr(int i) { return pt_regs::gpr[i]; }
180	>	uint32 gpr(int i) const { return pt_regs::gpr[i]; }
181	>	};
182	>
183	>	#include <sys/ucontext.h>
184	>	#define MACHINE_REGISTERS(scp) ((machine_regs )(((ucontext_t )scp)->uc_mcontext.regs))
185	>	#endif
186	>
187	>	#if defined(__APPLE__) && defined(__MACH__)
188	>	struct machine_regs : public mcontext
189	>	{
190	>	uint32 & cr() { return ss.cr; }
191	>	uint32 cr() const { return ss.cr; }
192	>	uint32 lr() const { return ss.lr; }
193	>	uint32 ctr() const { return ss.ctr; }
194	>	uint32 xer() const { return ss.xer; }
195	>	uint32 msr() const { return ss.srr1; }
196	>	uint32 dar() const { return es.dar; }
197	>	uint32 & pc() { return ss.srr0; }
198	>	uint32 pc() const { return ss.srr0; }
199	>	uint32 & gpr(int i) { return (&ss.r0)[i]; }
200	>	uint32 gpr(int i) const { return (&ss.r0)[i]; }
201		};
202	+
203	+	#include <sys/ucontext.h>
204	+	#define MACHINE_REGISTERS(scp) ((machine_regs )(((ucontext_t )scp)->uc_mcontext))
205	+
206	+	#include <sys/signal.h>
207	+	extern "C" int sigaltstack(const struct sigaltstack ss, struct sigaltstack oss);
208	+	#endif
209	+
210	+	static void build_sigregs(sigregs srp, machine_regs mrp)
211	+	{
212	+	srp->nip = mrp->pc();
213	+	srp->link = mrp->lr();
214	+	srp->ctr = mrp->ctr();
215	+	srp->msr = mrp->msr();
216	+	srp->xer = mrp->xer();
217	+	srp->ccr = mrp->cr();
218	+	for (int i = 0; i < 32; i++)
219	+	srp->gpr[i] = mrp->gpr(i);
220	+	}
221		#endif
222
223
#	Line 172 \| Line 227 \| *void TOC; // Small data pointer (r13**
227		#endif
228		uint32 RAMBase; // Base address of Mac RAM
229		uint32 RAMSize; // Size of Mac RAM
175	–	uint32 SheepStack1Base; // SheepShaver first alternate stack base
176	–	uint32 SheepStack2Base; // SheepShaver second alternate stack base
177	–	uint32 SheepThunksBase; // SheepShaver thunks base
230		uint32 KernelDataAddr; // Address of Kernel Data
231		uint32 BootGlobsAddr; // Address of BootGlobs structure at top of Mac RAM
232		uint32 PVR; // Theoretical PVR
#	Line 185 \| Line 237 \| int64 BusClockSpeed; // Bus clock speed
237		// Global variables
238		char *x_display_name = NULL; // X11 display name
239		Display *x_display = NULL; // X11 display handle
240	+	#ifdef X11_LOCK_TYPE
241	+	X11_LOCK_TYPE x_display_lock = X11_LOCK_INIT; // X11 display lock
242	+	#endif
243
244		static int zero_fd = 0; // FD of /dev/zero
190	–	static bool sheep_area_mapped = false; // Flag: SheepShaver data area mmap()ed
245		static bool lm_area_mapped = false; // Flag: Low Memory area mmap()ped
246		static int kernel_area = -1; // SHM ID of Kernel Data area
247		static bool rom_area_mapped = false; // Flag: Mac ROM mmap()ped
#	Line 207 \| Line 261 \| static bool ready_for_signals = false;
261		static int64 num_segv = 0; // Number of handled SEGV signals
262
263		static struct sigaction sigusr2_action; // Interrupt signal (of emulator thread)
264	<	#if !EMULATED_PPC
264	>	#if EMULATED_PPC
265	>	static uintptr sig_stack = 0; // Stack for PowerPC interrupt routine
266	>	#else
267		static struct sigaction sigsegv_action; // Data access exception signal (of emulator thread)
268		static struct sigaction sigill_action; // Illegal instruction signal (of emulator thread)
269		static void *sig_stack = NULL; // Stack for signal handlers
270		static void *extra_stack = NULL; // Stack for SIGSEGV inside interrupt handler
271		static bool emul_thread_fatal = false; // Flag: MacOS thread crashed, tick thread shall dump debug output
272		static sigregs sigsegv_regs; // Register dump when crashed
273	+	static const char *crash_reason = NULL; // Reason of the crash (SIGSEGV, SIGBUS, SIGILL)
274		#endif
275
276	+	uintptr SheepMem::zero_page = 0; // Address of ro page filled in with zeros
277	+	uintptr SheepMem::base = 0x60000000; // Address of SheepShaver data
278	+	uintptr SheepMem::top = 0; // Top of SheepShaver data (stack like storage)
279	+
280
281		// Prototypes
282		static void Quit(void);
#	Line 228 \| Line 289 \| extern void emul_ppc(uint32 start);
289		extern void init_emul_ppc(void);
290		extern void exit_emul_ppc(void);
291		#else
292	<	static void sigusr2_handler(int sig, sigcontext_struct *sc);
293	<	static void sigsegv_handler(int sig, sigcontext_struct *sc);
294	<	static void sigill_handler(int sig, sigcontext_struct *sc);
292	>	static void sigusr2_handler(int sig, siginfo_t sip, void scp);
293	>	static void sigsegv_handler(int sig, siginfo_t sip, void scp);
294	>	static void sigill_handler(int sig, siginfo_t sip, void scp);
295		#endif
296
297
#	Line 252 \| Line 313 \| extern void paranoia_check(void);
313
314		#if EMULATED_PPC
315		/*
316	+	* Return signal stack base
317	+	*/
318	+
319	+	uintptr SignalStackBase(void)
320	+	{
321	+	return sig_stack + SIG_STACK_SIZE;
322	+	}
323	+
324	+
325	+	/*
326		* Atomic operations
327		*/
328
#	Line 445 \| Line 516 \| int main(int argc, char argv)**
516		goto quit;
517		}
518
519	+	#ifndef PAGEZERO_HACK
520		// Create Low Memory area (0x0000..0x3000)
521		if (vm_acquire_fixed((char *)0, 0x3000) < 0) {
522		sprintf(str, GetString(STR_LOW_MEM_MMAP_ERR), strerror(errno));
#	Line 452 \| Line 524 \| int main(int argc, char argv)**
524		goto quit;
525		}
526		lm_area_mapped = true;
527	+	#endif
528
529		// Create areas for Kernel Data
530		kernel_area = shmget(IPC_PRIVATE, KERNEL_AREA_SIZE, 0600);
#	Line 470 \| Line 543 \| int main(int argc, char argv)**
543		ErrorAlert(str);
544		goto quit;
545		}
546	<	kernel_data = (KernelData *)0x68ffe000;
546	>	kernel_data = (KernelData *)KERNEL_DATA_BASE;
547		emulator_data = &kernel_data->ed;
548	<	KernelDataAddr = (uint32)kernel_data;
548	>	KernelDataAddr = KERNEL_DATA_BASE;
549		D(bug("Kernel Data at %p, Emulator Data at %p\n", kernel_data, emulator_data));
550
551		// Create area for SheepShaver data
552	<	if (vm_acquire_fixed((char *)SHEEP_BASE, SHEEP_SIZE) < 0) {
552	>	if (!SheepMem::Init()) {
553		sprintf(str, GetString(STR_SHEEP_MEM_MMAP_ERR), strerror(errno));
554		ErrorAlert(str);
555		goto quit;
556		}
484	–	SheepStack1Base = SHEEP_BASE + 0x10000;
485	–	SheepStack2Base = SheepStack1Base + 0x10000;
486	–	SheepThunksBase = SheepStack2Base + 0x1000;
487	–	sheep_area_mapped = true;
557
558		// Create area for Mac ROM
559		if (vm_acquire_fixed((char *)ROM_BASE, ROM_AREA_SIZE) < 0) {
#	Line 579 \| Line 648 \| int main(int argc, char argv)**
648		boot_globs[1] = htonl(RAMSize);
649		boot_globs[2] = htonl((uint32)-1); // End of bank table
650
651	+	// Init thunks
652	+	if (!ThunksInit())
653	+	goto quit;
654	+
655		// Init drivers
656		SonyInit();
657		DiskInit();
#	Line 588 \| Line 661 \| int main(int argc, char argv)**
661		// Init external file system
662		ExtFSInit();
663
664	+	// Init ADB
665	+	ADBInit();
666	+
667		// Init audio
668		AudioInit();
669
#	Line 622 \| Line 698 \| int main(int argc, char argv)**
698		// Initialize Kernel Data
699		memset(kernel_data, 0, sizeof(KernelData));
700		if (ROMType == ROMTYPE_NEWWORLD) {
701	<	static uint32 of_dev_tree[4] = {0, 0, 0, 0};
702	<	static uint8 vector_lookup_tbl[128];
703	<	static uint8 vector_mask_tbl[64];
701	>	uintptr of_dev_tree = SheepMem::Reserve(4 * sizeof(uint32));
702	>	memset((void )of_dev_tree, 0, 4 sizeof(uint32));
703	>	uintptr vector_lookup_tbl = SheepMem::Reserve(128);
704	>	uintptr vector_mask_tbl = SheepMem::Reserve(64);
705		memset((uint8 *)kernel_data + 0xb80, 0x3d, 0x80);
706	<	memset(vector_lookup_tbl, 0, 128);
707	<	memset(vector_mask_tbl, 0, 64);
706	>	memset((void *)vector_lookup_tbl, 0, 128);
707	>	memset((void *)vector_mask_tbl, 0, 64);
708		kernel_data->v[0xb80 >> 2] = htonl(ROM_BASE);
709	<	kernel_data->v[0xb84 >> 2] = htonl((uint32)of_dev_tree); // OF device tree base
710	<	kernel_data->v[0xb90 >> 2] = htonl((uint32)vector_lookup_tbl);
711	<	kernel_data->v[0xb94 >> 2] = htonl((uint32)vector_mask_tbl);
709	>	kernel_data->v[0xb84 >> 2] = htonl(of_dev_tree); // OF device tree base
710	>	kernel_data->v[0xb90 >> 2] = htonl(vector_lookup_tbl);
711	>	kernel_data->v[0xb94 >> 2] = htonl(vector_mask_tbl);
712		kernel_data->v[0xb98 >> 2] = htonl(ROM_BASE); // OpenPIC base
713		kernel_data->v[0xbb0 >> 2] = htonl(0); // ADB base
714		kernel_data->v[0xc20 >> 2] = htonl(RAMSize);
#	Line 667 \| Line 744 \| int main(int argc, char argv)**
744		D(bug("Initializing Low Memory...\n"));
745		memset(NULL, 0, 0x3000);
746		WriteMacInt32(XLM_SIGNATURE, FOURCC('B','a','a','h')); // Signature to detect SheepShaver
747	<	WriteMacInt32(XLM_KERNEL_DATA, (uint32)kernel_data); // For trap replacement routines
747	>	WriteMacInt32(XLM_KERNEL_DATA, KernelDataAddr); // For trap replacement routines
748		WriteMacInt32(XLM_PVR, PVR); // Theoretical PVR
749		WriteMacInt32(XLM_BUS_CLOCK, BusClockSpeed); // For DriverServicesLib patch
750		WriteMacInt16(XLM_EXEC_RETURN_OPCODE, M68K_EXEC_RETURN); // For Execute68k() (RTS from the executed 68k code will jump here and end 68k mode)
751	<	#if EMULATED_PPC
752	<	WriteMacInt32(XLM_ETHER_INIT, POWERPC_NATIVE_OP_FUNC(NATIVE_ETHER_INIT));
753	<	WriteMacInt32(XLM_ETHER_TERM, POWERPC_NATIVE_OP_FUNC(NATIVE_ETHER_TERM));
677	<	WriteMacInt32(XLM_ETHER_OPEN, POWERPC_NATIVE_OP_FUNC(NATIVE_ETHER_OPEN));
678	<	WriteMacInt32(XLM_ETHER_CLOSE, POWERPC_NATIVE_OP_FUNC(NATIVE_ETHER_CLOSE));
679	<	WriteMacInt32(XLM_ETHER_WPUT, POWERPC_NATIVE_OP_FUNC(NATIVE_ETHER_WPUT));
680	<	WriteMacInt32(XLM_ETHER_RSRV, POWERPC_NATIVE_OP_FUNC(NATIVE_ETHER_RSRV));
681	<	WriteMacInt32(XLM_VIDEO_DOIO, POWERPC_NATIVE_OP_FUNC(NATIVE_VIDEO_DO_DRIVER_IO));
682	<	#else
683	<	WriteMacInt32(XLM_TOC, (uint32)TOC); // TOC pointer of emulator
684	<	WriteMacInt32(XLM_ETHER_INIT, (uint32)InitStreamModule); // DLPI ethernet driver functions
685	<	WriteMacInt32(XLM_ETHER_TERM, (uint32)TerminateStreamModule);
686	<	WriteMacInt32(XLM_ETHER_OPEN, (uint32)ether_open);
687	<	WriteMacInt32(XLM_ETHER_CLOSE, (uint32)ether_close);
688	<	WriteMacInt32(XLM_ETHER_WPUT, (uint32)ether_wput);
689	<	WriteMacInt32(XLM_ETHER_RSRV, (uint32)ether_rsrv);
690	<	WriteMacInt32(XLM_VIDEO_DOIO, (uint32)VideoDoDriverIO);
751	>	WriteMacInt32(XLM_ZERO_PAGE, SheepMem::ZeroPage()); // Pointer to read-only page with all bits set to 0
752	>	#if !EMULATED_PPC
753	>	WriteMacInt32(XLM_TOC, (uint32)TOC); // TOC pointer of emulator
754		#endif
755	+	WriteMacInt32(XLM_ETHER_INIT, NativeFunction(NATIVE_ETHER_INIT)); // DLPI ethernet driver functions
756	+	WriteMacInt32(XLM_ETHER_TERM, NativeFunction(NATIVE_ETHER_TERM));
757	+	WriteMacInt32(XLM_ETHER_OPEN, NativeFunction(NATIVE_ETHER_OPEN));
758	+	WriteMacInt32(XLM_ETHER_CLOSE, NativeFunction(NATIVE_ETHER_CLOSE));
759	+	WriteMacInt32(XLM_ETHER_WPUT, NativeFunction(NATIVE_ETHER_WPUT));
760	+	WriteMacInt32(XLM_ETHER_RSRV, NativeFunction(NATIVE_ETHER_RSRV));
761	+	WriteMacInt32(XLM_VIDEO_DOIO, NativeFunction(NATIVE_VIDEO_DO_DRIVER_IO));
762		D(bug("Low Memory initialized\n"));
763
764		// Start 60Hz thread
#	Line 726 \| Line 796 \| int main(int argc, char argv)**
796		#endif
797
798		#if !EMULATED_PPC
799	<	// Install SIGSEGV handler
799	>	// Install SIGSEGV and SIGBUS handlers
800		sigemptyset(&sigsegv_action.sa_mask); // Block interrupts during SEGV handling
801		sigaddset(&sigsegv_action.sa_mask, SIGUSR2);
802	<	sigsegv_action.sa_handler = (__sighandler_t)sigsegv_handler;
803	<	sigsegv_action.sa_flags = SA_ONSTACK;
802	>	sigsegv_action.sa_sigaction = sigsegv_handler;
803	>	sigsegv_action.sa_flags = SA_ONSTACK \| SA_SIGINFO;
804	>	#ifdef HAVE_SIGNAL_SA_RESTORER
805		sigsegv_action.sa_restorer = NULL;
806	+	#endif
807		if (sigaction(SIGSEGV, &sigsegv_action, NULL) < 0) {
808		sprintf(str, GetString(STR_SIGSEGV_INSTALL_ERR), strerror(errno));
809		ErrorAlert(str);
810		goto quit;
811		}
812	+	if (sigaction(SIGBUS, &sigsegv_action, NULL) < 0) {
813	+	sprintf(str, GetString(STR_SIGSEGV_INSTALL_ERR), strerror(errno));
814	+	ErrorAlert(str);
815	+	goto quit;
816	+	}
817
818		// Install SIGILL handler
819		sigemptyset(&sigill_action.sa_mask); // Block interrupts during ILL handling
820		sigaddset(&sigill_action.sa_mask, SIGUSR2);
821	<	sigill_action.sa_handler = (__sighandler_t)sigill_handler;
822	<	sigill_action.sa_flags = SA_ONSTACK;
821	>	sigill_action.sa_sigaction = sigill_handler;
822	>	sigill_action.sa_flags = SA_ONSTACK \| SA_SIGINFO;
823	>	#ifdef HAVE_SIGNAL_SA_RESTORER
824		sigill_action.sa_restorer = NULL;
825	+	#endif
826		if (sigaction(SIGILL, &sigill_action, NULL) < 0) {
827		sprintf(str, GetString(STR_SIGILL_INSTALL_ERR), strerror(errno));
828		ErrorAlert(str);
#	Line 751 \| Line 830 \| int main(int argc, char argv)**
830		}
831		#endif
832
833	+	#if !EMULATED_PPC
834		// Install interrupt signal handler
835		sigemptyset(&sigusr2_action.sa_mask);
836	<	sigusr2_action.sa_handler = (__sighandler_t)sigusr2_handler;
837	<	sigusr2_action.sa_flags = 0;
838	<	#if !EMULATED_PPC
759	<	sigusr2_action.sa_flags = SA_ONSTACK \| SA_RESTART;
760	<	#endif
836	>	sigusr2_action.sa_sigaction = sigusr2_handler;
837	>	sigusr2_action.sa_flags = SA_ONSTACK \| SA_RESTART \| SA_SIGINFO;
838	>	#ifdef HAVE_SIGNAL_SA_RESTORER
839		sigusr2_action.sa_restorer = NULL;
840	+	#endif
841		if (sigaction(SIGUSR2, &sigusr2_action, NULL) < 0) {
842		sprintf(str, GetString(STR_SIGUSR2_INSTALL_ERR), strerror(errno));
843		ErrorAlert(str);
844		goto quit;
845		}
846	+	#endif
847
848		// Get my thread ID and execute MacOS thread function
849		emul_thread = pthread_self();
#	Line 800 \| Line 880 \| static void Quit(void)
880		}
881
882		#if !EMULATED_PPC
883	<	// Uninstall SIGSEGV handler
883	>	// Uninstall SIGSEGV and SIGBUS handlers
884		sigemptyset(&sigsegv_action.sa_mask);
885		sigsegv_action.sa_handler = SIG_DFL;
886		sigsegv_action.sa_flags = 0;
887		sigaction(SIGSEGV, &sigsegv_action, NULL);
888	+	sigaction(SIGBUS, &sigsegv_action, NULL);
889
890		// Uninstall SIGILL handler
891		sigemptyset(&sigill_action.sa_mask);
#	Line 831 \| Line 912 \| static void Quit(void)
912		// Exit audio
913		AudioExit();
914
915	+	// Exit ADB
916	+	ADBExit();
917	+
918		// Exit video
919		VideoExit();
920
#	Line 843 \| Line 927 \| static void Quit(void)
927		DiskExit();
928		SonyExit();
929
930	+	// Delete thunks
931	+	ThunksExit();
932	+
933	+	// Delete SheepShaver globals
934	+	SheepMem::Exit();
935	+
936		// Delete RAM area
937		if (ram_area_mapped)
938		vm_release((char *)RAM_BASE, RAMSize);
#	Line 954 \| Line 1044 \| void Execute68kTrap(uint16 trap, M68kReg
1044		uint16 proc[2] = {trap, M68K_RTS};
1045		Execute68k((uint32)proc, r);
1046		}
957	–
958	–
959	–	/*
960	–	* Execute PPC code from EMUL_OP routine (real mode switch)
961	–	*/
962	–
963	–	void ExecutePPC(void (*func)())
964	–	{
965	–	uint32 tvect[2] = {(uint32)func, 0}; // Fake TVECT
966	–	RoutineDescriptor desc = BUILD_PPC_ROUTINE_DESCRIPTOR(0, tvect);
967	–	M68kRegisters r;
968	–	Execute68k((uint32)&desc, &r);
969	–	}
1047		#endif
1048
1049
#	Line 1045 \| Line 1122 \| *void MakeExecutable(int dummy, void sta**
1122
1123		void PatchAfterStartup(void)
1124		{
1048	–	#if EMULATED_PPC
1125		ExecuteNative(NATIVE_VIDEO_INSTALL_ACCEL);
1050	–	#else
1051	–	ExecutePPC(VideoInstallAccel);
1052	–	#endif
1126		InstallExtFS();
1127		}
1128
#	Line 1094 \| Line 1167 \| *static void tick_func(void arg)*
1167		if (emul_thread_fatal) {
1168
1169		// Yes, dump registers
1170	<	pt_regs r = (pt_regs )&sigsegv_regs;
1170	>	sigregs *r = &sigsegv_regs;
1171		char str[256];
1172	<	sprintf(str, "SIGSEGV\n"
1172	>	if (crash_reason == NULL)
1173	>	crash_reason = "SIGSEGV";
1174	>	sprintf(str, "%s\n"
1175		" pc %08lx lr %08lx ctr %08lx msr %08lx\n"
1176		" xer %08lx cr %08lx \n"
1177		" r0 %08lx r1 %08lx r2 %08lx r3 %08lx\n"
#	Line 1107 \| Line 1182 \| *static void tick_func(void arg)*
1182		" r20 %08lx r21 %08lx r22 %08lx r23 %08lx\n"
1183		" r24 %08lx r25 %08lx r26 %08lx r27 %08lx\n"
1184		" r28 %08lx r29 %08lx r30 %08lx r31 %08lx\n",
1185	+	crash_reason,
1186		r->nip, r->link, r->ctr, r->msr,
1187		r->xer, r->ccr,
1188		r->gpr[0], r->gpr[1], r->gpr[2], r->gpr[3],
#	Line 1152 \| Line 1228 \| *static void tick_func(void arg)*
1228
1229		void Set_pthread_attr(pthread_attr_t *attr, int priority)
1230		{
1231	<	// nothing to do
1231	>	#ifdef HAVE_PTHREADS
1232	>	pthread_attr_init(attr);
1233	>	#if defined(_POSIX_THREAD_PRIORITY_SCHEDULING)
1234	>	// Some of these only work for superuser
1235	>	if (geteuid() == 0) {
1236	>	pthread_attr_setinheritsched(attr, PTHREAD_EXPLICIT_SCHED);
1237	>	pthread_attr_setschedpolicy(attr, SCHED_FIFO);
1238	>	struct sched_param fifo_param;
1239	>	fifo_param.sched_priority = ((sched_get_priority_min(SCHED_FIFO) +
1240	>	sched_get_priority_max(SCHED_FIFO)) / 2 +
1241	>	priority);
1242	>	pthread_attr_setschedparam(attr, &fifo_param);
1243	>	}
1244	>	if (pthread_attr_setscope(attr, PTHREAD_SCOPE_SYSTEM) != 0) {
1245	>	#ifdef PTHREAD_SCOPE_BOUND_NP
1246	>	// If system scope is not available (eg. we're not running
1247	>	// with CAP_SCHED_MGT capability on an SGI box), try bound
1248	>	// scope. It exposes pthread scheduling to the kernel,
1249	>	// without setting realtime priority.
1250	>	pthread_attr_setscope(attr, PTHREAD_SCOPE_BOUND_NP);
1251	>	#endif
1252	>	}
1253	>	#endif
1254	>	#endif
1255		}
1256
1257
#	Line 1298 \| Line 1397 \| static void sigusr2_handler(int sig)
1397		#endif
1398		}
1399		#else
1400	<	static void sigusr2_handler(int sig, sigcontext_struct *sc)
1400	>	static void sigusr2_handler(int sig, siginfo_t sip, void scp)
1401		{
1402	<	pt_regs *r = sc->regs;
1402	>	machine_regs *r = MACHINE_REGISTERS(scp);
1403
1404		// Do nothing if interrupts are disabled
1405		if ((int32 )XLM_IRQ_NEST > 0)
#	Line 1314 \| Line 1413 \| static void sigusr2_handler(int sig, sig
1413		case MODE_68K:
1414		// 68k emulator active, trigger 68k interrupt level 1
1415		WriteMacInt16(ntohl(kernel_data->v[0x67c >> 2]), 1);
1416	<	r->ccr \|= ntohl(kernel_data->v[0x674 >> 2]);
1416	>	r->cr() \|= ntohl(kernel_data->v[0x674 >> 2]);
1417		break;
1418
1419		#if INTERRUPTS_IN_NATIVE_MODE
1420		case MODE_NATIVE:
1421		// 68k emulator inactive, in nanokernel?
1422	<	if (r->gpr[1] != KernelDataAddr) {
1422	>	if (r->gpr(1) != KernelDataAddr) {
1423		// Prepare for 68k interrupt level 1
1424		WriteMacInt16(ntohl(kernel_data->v[0x67c >> 2]), 1);
1425		WriteMacInt32(ntohl(kernel_data->v[0x658 >> 2]) + 0xdc, ReadMacInt32(ntohl(kernel_data->v[0x658 >> 2]) + 0xdc) \| ntohl(kernel_data->v[0x674 >> 2]));
#	Line 1367 \| Line 1466 \| static void sigusr2_handler(int sig, sig
1466		if (InterruptFlags & INTFLAG_VIA) {
1467		ClearInterruptFlag(INTFLAG_VIA);
1468		ADBInterrupt();
1469	<	ExecutePPC(VideoVBL);
1469	>	ExecuteNative(NATIVE_VIDEO_VBL);
1470		}
1471		}
1472		#endif
#	Line 1389 \| Line 1488 \| static void sigusr2_handler(int sig, sig
1488		*/
1489
1490		#if !EMULATED_PPC
1491	<	static void sigsegv_handler(int sig, sigcontext_struct *sc)
1491	>	static void sigsegv_handler(int sig, siginfo_t sip, void scp)
1492		{
1493	<	pt_regs *r = sc->regs;
1493	>	machine_regs *r = MACHINE_REGISTERS(scp);
1494
1495		// Get effective address
1496	<	uint32 addr = r->dar;
1496	>	uint32 addr = r->dar();
1497
1498		#if ENABLE_VOSF
1499		// Handle screen fault.
1500		extern bool Screen_fault_handler(sigsegv_address_t fault_address, sigsegv_address_t fault_instruction);
1501	<	if (Screen_fault_handler((sigsegv_address_t)addr, (sigsegv_address_t)r->nip))
1501	>	if (Screen_fault_handler((sigsegv_address_t)addr, (sigsegv_address_t)r->pc()))
1502		return;
1503		#endif
1504
1505		num_segv++;
1506
1507		// Fault in Mac ROM or RAM?
1508	<	bool mac_fault = (r->nip >= ROM_BASE) && (r->nip < (ROM_BASE + ROM_AREA_SIZE)) \|\| (r->nip >= RAMBase) && (r->nip < (RAMBase + RAMSize));
1508	>	bool mac_fault = (r->pc() >= ROM_BASE) && (r->pc() < (ROM_BASE + ROM_AREA_SIZE)) \|\| (r->pc() >= RAMBase) && (r->pc() < (RAMBase + RAMSize));
1509		if (mac_fault) {
1510
1511		// "VM settings" during MacOS 8 installation
1512	<	if (r->nip == ROM_BASE + 0x488160 && r->gpr[20] == 0xf8000000) {
1513	<	r->nip += 4;
1514	<	r->gpr[8] = 0;
1512	>	if (r->pc() == ROM_BASE + 0x488160 && r->gpr(20) == 0xf8000000) {
1513	>	r->pc() += 4;
1514	>	r->gpr(8) = 0;
1515		return;
1516
1517		// MacOS 8.5 installation
1518	<	} else if (r->nip == ROM_BASE + 0x488140 && r->gpr[16] == 0xf8000000) {
1519	<	r->nip += 4;
1520	<	r->gpr[8] = 0;
1518	>	} else if (r->pc() == ROM_BASE + 0x488140 && r->gpr(16) == 0xf8000000) {
1519	>	r->pc() += 4;
1520	>	r->gpr(8) = 0;
1521		return;
1522
1523		// MacOS 8 serial drivers on startup
1524	<	} else if (r->nip == ROM_BASE + 0x48e080 && (r->gpr[8] == 0xf3012002 \|\| r->gpr[8] == 0xf3012000)) {
1525	<	r->nip += 4;
1526	<	r->gpr[8] = 0;
1524	>	} else if (r->pc() == ROM_BASE + 0x48e080 && (r->gpr(8) == 0xf3012002 \|\| r->gpr(8) == 0xf3012000)) {
1525	>	r->pc() += 4;
1526	>	r->gpr(8) = 0;
1527		return;
1528
1529		// MacOS 8.1 serial drivers on startup
1530	<	} else if (r->nip == ROM_BASE + 0x48c5e0 && (r->gpr[20] == 0xf3012002 \|\| r->gpr[20] == 0xf3012000)) {
1531	<	r->nip += 4;
1530	>	} else if (r->pc() == ROM_BASE + 0x48c5e0 && (r->gpr(20) == 0xf3012002 \|\| r->gpr(20) == 0xf3012000)) {
1531	>	r->pc() += 4;
1532		return;
1533	<	} else if (r->nip == ROM_BASE + 0x4a10a0 && (r->gpr[20] == 0xf3012002 \|\| r->gpr[20] == 0xf3012000)) {
1534	<	r->nip += 4;
1533	>	} else if (r->pc() == ROM_BASE + 0x4a10a0 && (r->gpr(20) == 0xf3012002 \|\| r->gpr(20) == 0xf3012000)) {
1534	>	r->pc() += 4;
1535		return;
1536		}
1537
1538		// Get opcode and divide into fields
1539	<	uint32 opcode = ((uint32 )r->nip);
1539	>	uint32 opcode = ((uint32 )r->pc());
1540		uint32 primop = opcode >> 26;
1541		uint32 exop = (opcode >> 1) & 0x3ff;
1542		uint32 ra = (opcode >> 16) & 0x1f;
#	Line 1526 \| Line 1625 \| static void sigsegv_handler(int sig, sig
1625		transfer_type = TYPE_STORE; transfer_size = SIZE_HALFWORD; addr_mode = MODE_NORM; break;
1626		case 45: // sthu
1627		transfer_type = TYPE_STORE; transfer_size = SIZE_HALFWORD; addr_mode = MODE_U; break;
1628	+	#if EMULATE_UNALIGNED_LOADSTORE_MULTIPLE
1629	+	case 46: // lmw
1630	+	if (sig == SIGBUS) {
1631	+	uint32 ea = (ra == 0 ? 0 : r->gpr(ra)) + imm;
1632	+	D(bug("WARNING: unaligned lmw to EA=%08x from IP=%08x\n", ea, r->pc()));
1633	+	for (int i = rd; i <= 31; i++) {
1634	+	r->gpr(i) = ReadMacInt32(ea);
1635	+	ea += 4;
1636	+	}
1637	+	r->pc() += 4;
1638	+	goto rti;
1639	+	}
1640	+	break;
1641	+	case 47: // stmw
1642	+	if (sig == SIGBUS) {
1643	+	uint32 ea = (ra == 0 ? 0 : r->gpr(ra)) + imm;
1644	+	D(bug("WARNING: unaligned stmw to EA=%08x from IP=%08x\n", ea, r->pc()));
1645	+	for (int i = rd; i <= 31; i++) {
1646	+	WriteMacInt32(ea, r->gpr(i));
1647	+	ea += 4;
1648	+	}
1649	+	r->pc() += 4;
1650	+	goto rti;
1651	+	}
1652	+	break;
1653	+	#endif
1654		}
1655
1656		// Ignore ROM writes
1657		if (transfer_type == TYPE_STORE && addr >= ROM_BASE && addr < ROM_BASE + ROM_SIZE) {
1658	<	// D(bug("WARNING: %s write access to ROM at %08lx, pc %08lx\n", transfer_size == SIZE_BYTE ? "Byte" : transfer_size == SIZE_HALFWORD ? "Halfword" : "Word", addr, r->nip));
1658	>	// D(bug("WARNING: %s write access to ROM at %08lx, pc %08lx\n", transfer_size == SIZE_BYTE ? "Byte" : transfer_size == SIZE_HALFWORD ? "Halfword" : "Word", addr, r->pc()));
1659		if (addr_mode == MODE_U \|\| addr_mode == MODE_UX)
1660	<	r->gpr[ra] = addr;
1661	<	r->nip += 4;
1660	>	r->gpr(ra) = addr;
1661	>	r->pc() += 4;
1662		goto rti;
1663		}
1664
1665		// Ignore illegal memory accesses?
1666		if (PrefsFindBool("ignoresegv")) {
1667		if (addr_mode == MODE_U \|\| addr_mode == MODE_UX)
1668	<	r->gpr[ra] = addr;
1668	>	r->gpr(ra) = addr;
1669		if (transfer_type == TYPE_LOAD)
1670	<	r->gpr[rd] = 0;
1671	<	r->nip += 4;
1670	>	r->gpr(rd) = 0;
1671	>	r->pc() += 4;
1672		goto rti;
1673		}
1674
#	Line 1551 \| Line 1676 \| static void sigsegv_handler(int sig, sig
1676		if (!PrefsFindBool("nogui")) {
1677		char str[256];
1678		if (transfer_type == TYPE_LOAD \|\| transfer_type == TYPE_STORE)
1679	<	sprintf(str, GetString(STR_MEM_ACCESS_ERR), transfer_size == SIZE_BYTE ? "byte" : transfer_size == SIZE_HALFWORD ? "halfword" : "word", transfer_type == TYPE_LOAD ? GetString(STR_MEM_ACCESS_READ) : GetString(STR_MEM_ACCESS_WRITE), addr, r->nip, r->gpr[24], r->gpr[1]);
1679	>	sprintf(str, GetString(STR_MEM_ACCESS_ERR), transfer_size == SIZE_BYTE ? "byte" : transfer_size == SIZE_HALFWORD ? "halfword" : "word", transfer_type == TYPE_LOAD ? GetString(STR_MEM_ACCESS_READ) : GetString(STR_MEM_ACCESS_WRITE), addr, r->pc(), r->gpr(24), r->gpr(1));
1680		else
1681	<	sprintf(str, GetString(STR_UNKNOWN_SEGV_ERR), r->nip, r->gpr[24], r->gpr[1], opcode);
1681	>	sprintf(str, GetString(STR_UNKNOWN_SEGV_ERR), r->pc(), r->gpr(24), r->gpr(1), opcode);
1682		ErrorAlert(str);
1683		QuitEmulator();
1684		return;
#	Line 1561 \| Line 1686 \| static void sigsegv_handler(int sig, sig
1686		}
1687
1688		// For all other errors, jump into debugger (sort of...)
1689	+	crash_reason = (sig == SIGBUS) ? "SIGBUS" : "SIGSEGV";
1690		if (!ready_for_signals) {
1691	<	printf("SIGSEGV\n");
1692	<	printf(" sigcontext %p, pt_regs %p\n", sc, r);
1691	>	printf("%s\n");
1692	>	printf(" sigcontext %p, machine_regs %p\n", scp, r);
1693		printf(
1694		" pc %08lx lr %08lx ctr %08lx msr %08lx\n"
1695		" xer %08lx cr %08lx \n"
#	Line 1575 \| Line 1701 \| static void sigsegv_handler(int sig, sig
1701		" r20 %08lx r21 %08lx r22 %08lx r23 %08lx\n"
1702		" r24 %08lx r25 %08lx r26 %08lx r27 %08lx\n"
1703		" r28 %08lx r29 %08lx r30 %08lx r31 %08lx\n",
1704	<	r->nip, r->link, r->ctr, r->msr,
1705	<	r->xer, r->ccr,
1706	<	r->gpr[0], r->gpr[1], r->gpr[2], r->gpr[3],
1707	<	r->gpr[4], r->gpr[5], r->gpr[6], r->gpr[7],
1708	<	r->gpr[8], r->gpr[9], r->gpr[10], r->gpr[11],
1709	<	r->gpr[12], r->gpr[13], r->gpr[14], r->gpr[15],
1710	<	r->gpr[16], r->gpr[17], r->gpr[18], r->gpr[19],
1711	<	r->gpr[20], r->gpr[21], r->gpr[22], r->gpr[23],
1712	<	r->gpr[24], r->gpr[25], r->gpr[26], r->gpr[27],
1713	<	r->gpr[28], r->gpr[29], r->gpr[30], r->gpr[31]);
1704	>	crash_reason,
1705	>	r->pc(), r->lr(), r->ctr(), r->msr(),
1706	>	r->xer(), r->cr(),
1707	>	r->gpr(0), r->gpr(1), r->gpr(2), r->gpr(3),
1708	>	r->gpr(4), r->gpr(5), r->gpr(6), r->gpr(7),
1709	>	r->gpr(8), r->gpr(9), r->gpr(10), r->gpr(11),
1710	>	r->gpr(12), r->gpr(13), r->gpr(14), r->gpr(15),
1711	>	r->gpr(16), r->gpr(17), r->gpr(18), r->gpr(19),
1712	>	r->gpr(20), r->gpr(21), r->gpr(22), r->gpr(23),
1713	>	r->gpr(24), r->gpr(25), r->gpr(26), r->gpr(27),
1714	>	r->gpr(28), r->gpr(29), r->gpr(30), r->gpr(31));
1715		exit(1);
1716		QuitEmulator();
1717		return;
1718		} else {
1719		// We crashed. Save registers, tell tick thread and loop forever
1720	<	sigsegv_regs = (sigregs )r;
1720	>	build_sigregs(&sigsegv_regs, r);
1721		emul_thread_fatal = true;
1722		for (;;) ;
1723		}
#	Line 1602 \| Line 1729 \| rti:;
1729		* SIGILL handler
1730		*/
1731
1732	<	static void sigill_handler(int sig, sigcontext_struct *sc)
1732	>	static void sigill_handler(int sig, siginfo_t sip, void scp)
1733		{
1734	<	pt_regs *r = sc->regs;
1734	>	machine_regs *r = MACHINE_REGISTERS(scp);
1735		char str[256];
1736
1737		// Fault in Mac ROM or RAM?
1738	<	bool mac_fault = (r->nip >= ROM_BASE) && (r->nip < (ROM_BASE + ROM_AREA_SIZE)) \|\| (r->nip >= RAMBase) && (r->nip < (RAMBase + RAMSize));
1738	>	bool mac_fault = (r->pc() >= ROM_BASE) && (r->pc() < (ROM_BASE + ROM_AREA_SIZE)) \|\| (r->pc() >= RAMBase) && (r->pc() < (RAMBase + RAMSize));
1739		if (mac_fault) {
1740
1741		// Get opcode and divide into fields
1742	<	uint32 opcode = ((uint32 )r->nip);
1742	>	uint32 opcode = ((uint32 )r->pc());
1743		uint32 primop = opcode >> 26;
1744		uint32 exop = (opcode >> 1) & 0x3ff;
1745		uint32 ra = (opcode >> 16) & 0x1f;
#	Line 1623 \| Line 1750 \| static void sigill_handler(int sig, sigc
1750		switch (primop) {
1751		case 9: // POWER instructions
1752		case 22:
1753	<	power_inst: sprintf(str, GetString(STR_POWER_INSTRUCTION_ERR), r->nip, r->gpr[1], opcode);
1753	>	power_inst: sprintf(str, GetString(STR_POWER_INSTRUCTION_ERR), r->pc(), r->gpr(1), opcode);
1754		ErrorAlert(str);
1755		QuitEmulator();
1756		return;
#	Line 1631 \| Line 1758 \| power_inst: sprintf(str, GetString(STR_
1758		case 31:
1759		switch (exop) {
1760		case 83: // mfmsr
1761	<	r->gpr[rd] = 0xf072;
1762	<	r->nip += 4;
1761	>	r->gpr(rd) = 0xf072;
1762	>	r->pc() += 4;
1763		goto rti;
1764
1765		case 210: // mtsr
1766		case 242: // mtsrin
1767		case 306: // tlbie
1768	<	r->nip += 4;
1768	>	r->pc() += 4;
1769		goto rti;
1770
1771		case 339: { // mfspr
#	Line 1654 \| Line 1781 \| power_inst: sprintf(str, GetString(STR_
1781		case 957: // PMC3
1782		case 958: // PMC4
1783		case 959: // SDA
1784	<	r->nip += 4;
1784	>	r->pc() += 4;
1785		goto rti;
1786		case 25: // SDR1
1787	<	r->gpr[rd] = 0xdead001f;
1788	<	r->nip += 4;
1787	>	r->gpr(rd) = 0xdead001f;
1788	>	r->pc() += 4;
1789		goto rti;
1790		case 287: // PVR
1791	<	r->gpr[rd] = PVR;
1792	<	r->nip += 4;
1791	>	r->gpr(rd) = PVR;
1792	>	r->pc() += 4;
1793		goto rti;
1794		}
1795		break;
#	Line 1698 \| Line 1825 \| power_inst: sprintf(str, GetString(STR_
1825		case 957: // PMC3
1826		case 958: // PMC4
1827		case 959: // SDA
1828	<	r->nip += 4;
1828	>	r->pc() += 4;
1829		goto rti;
1830		}
1831		break;
#	Line 1717 \| Line 1844 \| power_inst: sprintf(str, GetString(STR_
1844
1845		// In GUI mode, show error alert
1846		if (!PrefsFindBool("nogui")) {
1847	<	sprintf(str, GetString(STR_UNKNOWN_SEGV_ERR), r->nip, r->gpr[24], r->gpr[1], opcode);
1847	>	sprintf(str, GetString(STR_UNKNOWN_SEGV_ERR), r->pc(), r->gpr(24), r->gpr(1), opcode);
1848		ErrorAlert(str);
1849		QuitEmulator();
1850		return;
#	Line 1725 \| Line 1852 \| power_inst: sprintf(str, GetString(STR_
1852		}
1853
1854		// For all other errors, jump into debugger (sort of...)
1855	+	crash_reason = "SIGILL";
1856		if (!ready_for_signals) {
1857	<	printf("SIGILL\n");
1858	<	printf(" sigcontext %p, pt_regs %p\n", sc, r);
1857	>	printf("%s\n");
1858	>	printf(" sigcontext %p, machine_regs %p\n", scp, r);
1859		printf(
1860		" pc %08lx lr %08lx ctr %08lx msr %08lx\n"
1861		" xer %08lx cr %08lx \n"
#	Line 1739 \| Line 1867 \| power_inst: sprintf(str, GetString(STR_
1867		" r20 %08lx r21 %08lx r22 %08lx r23 %08lx\n"
1868		" r24 %08lx r25 %08lx r26 %08lx r27 %08lx\n"
1869		" r28 %08lx r29 %08lx r30 %08lx r31 %08lx\n",
1870	<	r->nip, r->link, r->ctr, r->msr,
1871	<	r->xer, r->ccr,
1872	<	r->gpr[0], r->gpr[1], r->gpr[2], r->gpr[3],
1873	<	r->gpr[4], r->gpr[5], r->gpr[6], r->gpr[7],
1874	<	r->gpr[8], r->gpr[9], r->gpr[10], r->gpr[11],
1875	<	r->gpr[12], r->gpr[13], r->gpr[14], r->gpr[15],
1876	<	r->gpr[16], r->gpr[17], r->gpr[18], r->gpr[19],
1877	<	r->gpr[20], r->gpr[21], r->gpr[22], r->gpr[23],
1878	<	r->gpr[24], r->gpr[25], r->gpr[26], r->gpr[27],
1879	<	r->gpr[28], r->gpr[29], r->gpr[30], r->gpr[31]);
1870	>	crash_reason,
1871	>	r->pc(), r->lr(), r->ctr(), r->msr(),
1872	>	r->xer(), r->cr(),
1873	>	r->gpr(0), r->gpr(1), r->gpr(2), r->gpr(3),
1874	>	r->gpr(4), r->gpr(5), r->gpr(6), r->gpr(7),
1875	>	r->gpr(8), r->gpr(9), r->gpr(10), r->gpr(11),
1876	>	r->gpr(12), r->gpr(13), r->gpr(14), r->gpr(15),
1877	>	r->gpr(16), r->gpr(17), r->gpr(18), r->gpr(19),
1878	>	r->gpr(20), r->gpr(21), r->gpr(22), r->gpr(23),
1879	>	r->gpr(24), r->gpr(25), r->gpr(26), r->gpr(27),
1880	>	r->gpr(28), r->gpr(29), r->gpr(30), r->gpr(31));
1881		exit(1);
1882		QuitEmulator();
1883		return;
1884		} else {
1885		// We crashed. Save registers, tell tick thread and loop forever
1886	<	sigsegv_regs = (sigregs )r;
1886	>	build_sigregs(&sigsegv_regs, r);
1887		emul_thread_fatal = true;
1888		for (;;) ;
1889		}
#	Line 1764 \| Line 1893 \| rti:;
1893
1894
1895		/*
1896	+	* Helpers to share 32-bit addressable data with MacOS
1897	+	*/
1898	+
1899	+	bool SheepMem::Init(void)
1900	+	{
1901	+	const int page_size = getpagesize();
1902	+
1903	+	// Allocate SheepShaver globals
1904	+	if (vm_acquire_fixed((char *)base, size) < 0)
1905	+	return false;
1906	+
1907	+	// Allocate page with all bits set to 0
1908	+	zero_page = base + size;
1909	+	if (vm_acquire_fixed((char *)zero_page, page_size) < 0)
1910	+	return false;
1911	+	memset((char *)zero_page, 0, page_size);
1912	+	if (vm_protect((char *)zero_page, page_size, VM_PAGE_READ) < 0)
1913	+	return false;
1914	+
1915	+	#if EMULATED_PPC
1916	+	// Allocate alternate stack for PowerPC interrupt routine
1917	+	sig_stack = zero_page + page_size;
1918	+	if (vm_acquire_fixed((char *)sig_stack, SIG_STACK_SIZE) < 0)
1919	+	return false;
1920	+	#endif
1921	+
1922	+	top = base + size;
1923	+	return true;
1924	+	}
1925	+
1926	+	void SheepMem::Exit(void)
1927	+	{
1928	+	if (top) {
1929	+	const int page_size = getpagesize();
1930	+
1931	+	// Delete SheepShaver globals
1932	+	vm_release((void *)base, size);
1933	+
1934	+	// Delete zero page
1935	+	vm_release((void *)zero_page, page_size);
1936	+
1937	+	#if EMULATED_PPC
1938	+	// Delete alternate stack for PowerPC interrupt routine
1939	+	vm_release((void *)sig_stack, SIG_STACK_SIZE);
1940	+	#endif
1941	+	}
1942	+	}
1943	+
1944	+
1945	+	/*
1946		* Display alert
1947		*/
1948

Diff Legend

-–
+Removed lines
-+
+Added lines
-<
+Changed lines
->
+Changed lines

Comparing SheepShaver/src/Unix/main_unix.cpp (file contents): Revision 1.13 by gbeauche, 2003-11-03T21:28:25Z vs. Revision 1.26 by gbeauche, 2004-01-18T22:14:31Z

Diff Legend

Comparing SheepShaver/src/Unix/main_unix.cpp (file contents):
Revision 1.13 by gbeauche, 2003-11-03T21:28:25Z vs.
Revision 1.26 by gbeauche, 2004-01-18T22:14:31Z