[ViewVC] Diff of: cebix/SheepShaver/src/kpx_cpu/sheepshaver

Comparing SheepShaver/src/kpx_cpu/sheepshaver_glue.cpp (file contents):
Revision 1.60 by gbeauche, 2005-03-17T23:40:01Z vs.
Revision 1.75 by gbeauche, 2008-01-01T09:47:39Z

#	Line 1 \| Line 1
1		/*
2		* sheepshaver_glue.cpp - Glue Kheperix CPU to SheepShaver CPU engine interface
3		*
4	<	* SheepShaver (C) 1997-2005 Christian Bauer and Marc Hellwig
4	>	* SheepShaver (C) 1997-2008 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 89 \| Line 89 \| extern uintptr SignalStackBase();
89
90		// From rsrc_patches.cpp
91		extern "C" void check_load_invoc(uint32 type, int16 id, uint32 h);
92	+	extern "C" void named_check_load_invoc(uint32 type, uint32 name, uint32 h);
93
94		// PowerPC EmulOp to exit from emulation looop
95		const uint32 POWERPC_EXEC_RETURN = POWERPC_EMUL_OP \| 1;
#	Line 117 \| Line 118 \| *static uint8 emul_op_trampoline;**
118		static uint8 *native_op_trampoline;
119		#endif
120
120	–	// JIT Compiler enabled?
121	–	static inline bool enable_jit_p()
122	–	{
123	–	return PrefsFindBool("jit");
124	–	}
125	–
121
122		/**
123		* PowerPC emulator glue with special 'sheep' opcodes
#	Line 176 \| Line 171 \| public:
171		void interrupt(uint32 entry);
172
173		// Make sure the SIGSEGV handler can access CPU registers
174	<	friend sigsegv_return_t sigsegv_handler(sigsegv_address_t, sigsegv_address_t);
180	<
181	<	// Memory allocator returning areas aligned on 16-byte boundaries
182	<	void *operator new(size_t size);
183	<	void operator delete(void *p);
174	>	friend sigsegv_return_t sigsegv_handler(sigsegv_info_t *sip);
175		};
176
186	–	// Memory allocator returning areas aligned on 16-byte boundaries
187	–	void *sheepshaver_cpu::operator new(size_t size)
188	–	{
189	–	void *p;
190	–
191	–	#if defined(HAVE_POSIX_MEMALIGN)
192	–	if (posix_memalign(&p, 16, size) != 0)
193	–	throw std::bad_alloc();
194	–	#elif defined(HAVE_MEMALIGN)
195	–	p = memalign(16, size);
196	–	#elif defined(HAVE_VALLOC)
197	–	p = valloc(size); // page-aligned!
198	–	#else
199	–	/* XXX: handle padding ourselves */
200	–	p = malloc(size);
201	–	#endif
202	–
203	–	return p;
204	–	}
205	–
206	–	void sheepshaver_cpu::operator delete(void *p)
207	–	{
208	–	#if defined(HAVE_MEMALIGN) \|\| defined(HAVE_VALLOC)
209	–	#if defined(__GLIBC__)
210	–	// this is known to work only with GNU libc
211	–	free(p);
212	–	#endif
213	–	#else
214	–	free(p);
215	–	#endif
216	–	}
217	–
177		sheepshaver_cpu::sheepshaver_cpu()
219	–	: powerpc_cpu(enable_jit_p())
178		{
179		init_decoder();
180	+
181	+	#if PPC_ENABLE_JIT
182	+	if (PrefsFindBool("jit"))
183	+	enable_jit();
184	+	#endif
185		}
186
187		void sheepshaver_cpu::init_decoder()
#	Line 226 \| Line 189 \| void sheepshaver_cpu::init_decoder()
189		static const instr_info_t sheep_ii_table[] = {
190		{ "sheep",
191		(execute_pmf)&sheepshaver_cpu::execute_sheep,
229	–	NULL,
192		PPC_I(SHEEP),
193		D_form, 6, 0, CFLOW_JUMP \| CFLOW_TRAP
194		}
#	Line 263 \| Line 225 \| void sheepshaver_cpu::execute_emul_op(ui
225		for (int i = 0; i < 7; i++)
226		r68.a[i] = gpr(16 + i);
227		r68.a[7] = gpr(1);
228	<	uint32 saved_cr = get_cr() & CR_field<2>::mask();
228	>	uint32 saved_cr = get_cr() & 0xff9fffff; // mask_operand::compute(11, 8)
229		uint32 saved_xer = get_xer();
230		EmulOp(&r68, gpr(24), emul_op);
231		set_cr(saved_cr);
#	Line 371 \| Line 333 \| int sheepshaver_cpu::compile1(codegen_co
333		status = COMPILE_CODE_OK;
334		break;
335		}
336	+	#endif
337		case NATIVE_CHECK_LOAD_INVOC:
338		dg.gen_load_T0_GPR(3);
339		dg.gen_load_T1_GPR(4);
#	Line 379 \| Line 342 \| int sheepshaver_cpu::compile1(codegen_co
342		dg.gen_invoke_T0_T1_T2((void (*)(uint32, uint32, uint32))check_load_invoc);
343		status = COMPILE_CODE_OK;
344		break;
345	<	#endif
346	<	case NATIVE_BITBLT:
345	>	case NATIVE_NAMED_CHECK_LOAD_INVOC:
346	>	dg.gen_load_T0_GPR(3);
347	>	dg.gen_load_T1_GPR(4);
348	>	dg.gen_load_T2_GPR(5);
349	>	dg.gen_invoke_T0_T1_T2((void (*)(uint32, uint32, uint32))named_check_load_invoc);
350	>	status = COMPILE_CODE_OK;
351	>	break;
352	>	case NATIVE_NQD_SYNC_HOOK:
353	>	dg.gen_load_T0_GPR(3);
354	>	dg.gen_invoke_T0_ret_T0((uint32 (*)(uint32))NQD_sync_hook);
355	>	dg.gen_store_T0_GPR(3);
356	>	status = COMPILE_CODE_OK;
357	>	break;
358	>	case NATIVE_NQD_BITBLT_HOOK:
359	>	dg.gen_load_T0_GPR(3);
360	>	dg.gen_invoke_T0_ret_T0((uint32 (*)(uint32))NQD_bitblt_hook);
361	>	dg.gen_store_T0_GPR(3);
362	>	status = COMPILE_CODE_OK;
363	>	break;
364	>	case NATIVE_NQD_FILLRECT_HOOK:
365	>	dg.gen_load_T0_GPR(3);
366	>	dg.gen_invoke_T0_ret_T0((uint32 (*)(uint32))NQD_fillrect_hook);
367	>	dg.gen_store_T0_GPR(3);
368	>	status = COMPILE_CODE_OK;
369	>	break;
370	>	case NATIVE_NQD_UNKNOWN_HOOK:
371	>	dg.gen_load_T0_GPR(3);
372	>	dg.gen_invoke_T0_ret_T0((uint32 (*)(uint32))NQD_unknown_hook);
373	>	dg.gen_store_T0_GPR(3);
374	>	status = COMPILE_CODE_OK;
375	>	break;
376	>	case NATIVE_NQD_BITBLT:
377		dg.gen_load_T0_GPR(3);
378		dg.gen_invoke_T0((void (*)(uint32))NQD_bitblt);
379		status = COMPILE_CODE_OK;
380		break;
381	<	case NATIVE_INVRECT:
381	>	case NATIVE_NQD_INVRECT:
382		dg.gen_load_T0_GPR(3);
383		dg.gen_invoke_T0((void (*)(uint32))NQD_invrect);
384		status = COMPILE_CODE_OK;
385		break;
386	<	case NATIVE_FILLRECT:
386	>	case NATIVE_NQD_FILLRECT:
387		dg.gen_load_T0_GPR(3);
388		dg.gen_invoke_T0((void (*)(uint32))NQD_fillrect);
389		status = COMPILE_CODE_OK;
#	Line 401 \| Line 394 \| int sheepshaver_cpu::compile1(codegen_co
394		if (!FN_field::test(opcode))
395		cg_context.done_compile = false;
396		else {
397	<	dg.gen_load_A0_LR();
398	<	dg.gen_set_PC_A0();
397	>	dg.gen_load_T0_LR_aligned();
398	>	dg.gen_set_PC_T0();
399		cg_context.done_compile = true;
400		}
401		break;
#	Line 412 \| Line 405 \| int sheepshaver_cpu::compile1(codegen_co
405		if (!FN_field::test(opcode))
406		dg.gen_set_PC_im(cg_context.pc + 4);
407		else {
408	<	dg.gen_load_A0_LR();
409	<	dg.gen_set_PC_A0();
408	>	dg.gen_load_T0_LR_aligned();
409	>	dg.gen_set_PC_T0();
410		}
411		dg.gen_mov_32_T0_im(selector);
412		dg.gen_jmp(native_op_trampoline);
#	Line 737 \| Line 730 \| static void dump_log(void)
730		* Initialize CPU emulation
731		*/
732
733	<	sigsegv_return_t sigsegv_handler(sigsegv_address_t fault_address, sigsegv_address_t fault_instruction)
733	>	sigsegv_return_t sigsegv_handler(sigsegv_info_t *sip)
734		{
735		#if ENABLE_VOSF
736		// Handle screen fault
737	<	extern bool Screen_fault_handler(sigsegv_address_t, sigsegv_address_t);
738	<	if (Screen_fault_handler(fault_address, fault_instruction))
737	>	extern bool Screen_fault_handler(sigsegv_info_t *sip);
738	>	if (Screen_fault_handler(sip))
739		return SIGSEGV_RETURN_SUCCESS;
740		#endif
741
742	<	const uintptr addr = (uintptr)fault_address;
742	>	const uintptr addr = (uintptr)sigsegv_get_fault_address(sip);
743		#if HAVE_SIGSEGV_SKIP_INSTRUCTION
744		// Ignore writes to ROM
745		if ((addr - (uintptr)ROMBaseHost) < ROM_SIZE)
#	Line 797 \| Line 790 \| sigsegv_return_t sigsegv_handler(sigsegv
790		#endif
791
792		fprintf(stderr, "SIGSEGV\n");
793	<	fprintf(stderr, " pc %p\n", fault_instruction);
794	<	fprintf(stderr, " ea %p\n", fault_address);
793	>	fprintf(stderr, " pc %p\n", sigsegv_get_fault_instruction_address(sip));
794	>	fprintf(stderr, " ea %p\n", sigsegv_get_fault_address(sip));
795		dump_registers();
796		ppc_cpu->dump_log();
797		enter_mon();
#	Line 862 \| Line 855 \| void exit_emul_ppc(void)
855		#endif
856
857		delete ppc_cpu;
858	+	ppc_cpu = NULL;
859		}
860
861		#if PPC_ENABLE_JIT && PPC_REENTRANT_JIT
#	Line 909 \| Line 903 \| void emul_ppc(uint32 entry)
903
904		void TriggerInterrupt(void)
905		{
906	+	idle_resume();
907		#if 0
908		WriteMacInt32(0x16a, ReadMacInt32(0x16a) + 1);
909		#else
#	Line 929 \| Line 924 \| void HandleInterrupt(powerpc_registers *
924		if (int32(ReadMacInt32(XLM_IRQ_NEST)) > 0)
925		return;
926
927	<	// Do nothing if there is no pending interrupt
933	<	if (InterruptFlags == 0)
934	<	return;
935	<
936	<	// Current interrupt nest level
937	<	static int interrupt_depth = 0;
938	<	++interrupt_depth;
927	>	// Update interrupt count
928		#if EMUL_TIME_STATS
929		interrupt_count++;
930		#endif
#	Line 951 \| Line 940 \| void HandleInterrupt(powerpc_registers *
940		#if INTERRUPTS_IN_NATIVE_MODE
941		case MODE_NATIVE:
942		// 68k emulator inactive, in nanokernel?
943	<	if (r->gpr[1] != KernelDataAddr && interrupt_depth == 1) {
943	>	if (r->gpr[1] != KernelDataAddr) {
944
945		// Prepare for 68k interrupt level 1
946		WriteMacInt16(tswap32(kernel_data->v[0x67c >> 2]), 1);
#	Line 1009 \| Line 998 \| void HandleInterrupt(powerpc_registers *
998		break;
999		#endif
1000		}
1012	–
1013	–	// We are done with this interrupt
1014	–	--interrupt_depth;
1001		}
1002
1017	–	static void get_resource(void);
1018	–	static void get_1_resource(void);
1019	–	static void get_ind_resource(void);
1020	–	static void get_1_ind_resource(void);
1021	–	static void r_get_resource(void);
1022	–
1003		// Execute NATIVE_OP routine
1004		void sheepshaver_cpu::execute_native_op(uint32 selector)
1005		{
#	Line 1041 \| Line 1021 \| void sheepshaver_cpu::execute_native_op(
1021		case NATIVE_VIDEO_DO_DRIVER_IO:
1022		gpr(3) = (int32)(int16)VideoDoDriverIO(gpr(3), gpr(4), gpr(5), gpr(6), gpr(7));
1023		break;
1024	+	case NATIVE_ETHER_AO_GET_HWADDR:
1025	+	AO_get_ethernet_address(gpr(3));
1026	+	break;
1027	+	case NATIVE_ETHER_AO_ADD_MULTI:
1028	+	AO_enable_multicast(gpr(3));
1029	+	break;
1030	+	case NATIVE_ETHER_AO_DEL_MULTI:
1031	+	AO_disable_multicast(gpr(3));
1032	+	break;
1033	+	case NATIVE_ETHER_AO_SEND_PACKET:
1034	+	AO_transmit_packet(gpr(3));
1035	+	break;
1036		case NATIVE_ETHER_IRQ:
1037		EtherIRQ();
1038		break;
#	Line 1062 \| Line 1054 \| void sheepshaver_cpu::execute_native_op(
1054		case NATIVE_ETHER_RSRV:
1055		gpr(3) = ether_rsrv((queue_t *)gpr(3));
1056		break;
1057	<	case NATIVE_SYNC_HOOK:
1057	>	case NATIVE_NQD_SYNC_HOOK:
1058		gpr(3) = NQD_sync_hook(gpr(3));
1059		break;
1060	<	case NATIVE_BITBLT_HOOK:
1060	>	case NATIVE_NQD_UNKNOWN_HOOK:
1061	>	gpr(3) = NQD_unknown_hook(gpr(3));
1062	>	break;
1063	>	case NATIVE_NQD_BITBLT_HOOK:
1064		gpr(3) = NQD_bitblt_hook(gpr(3));
1065		break;
1066	<	case NATIVE_BITBLT:
1066	>	case NATIVE_NQD_BITBLT:
1067		NQD_bitblt(gpr(3));
1068		break;
1069	<	case NATIVE_FILLRECT_HOOK:
1069	>	case NATIVE_NQD_FILLRECT_HOOK:
1070		gpr(3) = NQD_fillrect_hook(gpr(3));
1071		break;
1072	<	case NATIVE_INVRECT:
1072	>	case NATIVE_NQD_INVRECT:
1073		NQD_invrect(gpr(3));
1074		break;
1075	<	case NATIVE_FILLRECT:
1075	>	case NATIVE_NQD_FILLRECT:
1076		NQD_fillrect(gpr(3));
1077		break;
1078		case NATIVE_SERIAL_NOTHING:
#	Line 1101 \| Line 1096 \| void sheepshaver_cpu::execute_native_op(
1096		break;
1097		}
1098		case NATIVE_GET_RESOURCE:
1099	+	get_resource(ReadMacInt32(XLM_GET_RESOURCE));
1100	+	break;
1101		case NATIVE_GET_1_RESOURCE:
1102	+	get_resource(ReadMacInt32(XLM_GET_1_RESOURCE));
1103	+	break;
1104		case NATIVE_GET_IND_RESOURCE:
1105	+	get_resource(ReadMacInt32(XLM_GET_IND_RESOURCE));
1106	+	break;
1107		case NATIVE_GET_1_IND_RESOURCE:
1108	<	case NATIVE_R_GET_RESOURCE: {
1109	<	typedef void (*GetResourceCallback)(void);
1110	<	static const GetResourceCallback get_resource_callbacks[] = {
1111	<	::get_resource,
1111	<	::get_1_resource,
1112	<	::get_ind_resource,
1113	<	::get_1_ind_resource,
1114	<	::r_get_resource
1115	<	};
1116	<	get_resource_callbacks[selector - NATIVE_GET_RESOURCE]();
1108	>	get_resource(ReadMacInt32(XLM_GET_1_IND_RESOURCE));
1109	>	break;
1110	>	case NATIVE_R_GET_RESOURCE:
1111	>	get_resource(ReadMacInt32(XLM_R_GET_RESOURCE));
1112		break;
1118	–	}
1113		case NATIVE_MAKE_EXECUTABLE:
1114		MakeExecutable(0, gpr(4), gpr(5));
1115		break;
1116		case NATIVE_CHECK_LOAD_INVOC:
1117		check_load_invoc(gpr(3), gpr(4), gpr(5));
1118		break;
1119	+	case NATIVE_NAMED_CHECK_LOAD_INVOC:
1120	+	named_check_load_invoc(gpr(3), gpr(4), gpr(5));
1121	+	break;
1122		default:
1123		printf("FATAL: NATIVE_OP called with bogus selector %d\n", selector);
1124		QuitEmulator();
#	Line 1208 \| Line 1205 \| uint32 call_macos7(uint32 tvect, uint32
1205		const uint32 args[] = { arg1, arg2, arg3, arg4, arg5, arg6, arg7 };
1206		return ppc_cpu->execute_macos_code(tvect, sizeof(args)/sizeof(args[0]), args);
1207		}
1211	–
1212	–	/*
1213	–	* Resource Manager thunks
1214	–	*/
1215	–
1216	–	void get_resource(void)
1217	–	{
1218	–	ppc_cpu->get_resource(ReadMacInt32(XLM_GET_RESOURCE));
1219	–	}
1220	–
1221	–	void get_1_resource(void)
1222	–	{
1223	–	ppc_cpu->get_resource(ReadMacInt32(XLM_GET_1_RESOURCE));
1224	–	}
1225	–
1226	–	void get_ind_resource(void)
1227	–	{
1228	–	ppc_cpu->get_resource(ReadMacInt32(XLM_GET_IND_RESOURCE));
1229	–	}
1230	–
1231	–	void get_1_ind_resource(void)
1232	–	{
1233	–	ppc_cpu->get_resource(ReadMacInt32(XLM_GET_1_IND_RESOURCE));
1234	–	}
1235	–
1236	–	void r_get_resource(void)
1237	–	{
1238	–	ppc_cpu->get_resource(ReadMacInt32(XLM_R_GET_RESOURCE));
1239	–	}

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Comparing SheepShaver/src/kpx_cpu/sheepshaver_glue.cpp (file contents): Revision 1.60 by gbeauche, 2005-03-17T23:40:01Z vs. Revision 1.75 by gbeauche, 2008-01-01T09:47:39Z

Diff Legend

Comparing SheepShaver/src/kpx_cpu/sheepshaver_glue.cpp (file contents):
Revision 1.60 by gbeauche, 2005-03-17T23:40:01Z vs.
Revision 1.75 by gbeauche, 2008-01-01T09:47:39Z