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root/cebix/SheepShaver/src/kpx_cpu/sheepshaver_glue.cpp

Comparing SheepShaver/src/kpx_cpu/sheepshaver_glue.cpp (file contents):
Revision 1.35 by gbeauche, 2004-04-22T22:54:47Z vs.
Revision 1.36 by gbeauche, 2004-05-12T15:54:23Z

#	Line 86 | Line 86 | const uint32 POWERPC_EXEC_RETURN = POWER
86		// Enable multicore (main/interrupts) cpu emulation?
87		#define MULTICORE_CPU (ASYNC_IRQ ? 1 : 0)
88
89	+	// Enable interrupt routine safety checks?
90	+	#define SAFE_INTERRUPT_PPC 1
91	+
92		// Enable Execute68k() safety checks?
93		#define SAFE_EXEC_68K 1
94
#	Line 412 | Line 415 | void sheepshaver_cpu::interrupt(uint32 e
415		const clock_t interrupt_start = clock();
416		#endif
417
418	+	#if SAFE_INTERRUPT_PPC
419	+	static int depth = 0;
420	+	if (depth != 0)
421	+	printf("FATAL: sheepshaver_cpu::interrupt() called more than once: %d\n", depth);
422	+	depth++;
423	+	#endif
424	+	#if SAFE_INTERRUPT_PPC >= 2
425	+	uint32 saved_regs[32];
426	+	memcpy(&saved_regs[0], &gpr(0), sizeof(saved_regs));
427	+	#endif
428	+
429		#if !MULTICORE_CPU
430		// Save program counters and branch registers
431		uint32 saved_pc = pc();
#	Line 469 | Line 483 | void sheepshaver_cpu::interrupt(uint32 e
483		#if EMUL_TIME_STATS
484		interrupt_time += (clock() - interrupt_start);
485		#endif
486	+
487	+	#if SAFE_INTERRUPT_PPC >= 2
488	+	if (memcmp(&saved_regs[0], &gpr(0), sizeof(saved_regs)) != 0)
489	+	printf("FATAL: dirty PowerPC registers\n");
490	+	#endif
491	+	#if SAFE_INTERRUPT_PPC
492	+	depth--;
493	+	#endif
494		}
495
496		// Execute 68k routine

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