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

Comparing SheepShaver/src/kpx_cpu/sheepshaver_glue.cpp (file contents):
Revision 1.3 by gbeauche, 2003-09-29T07:05:15Z vs.
Revision 1.68 by gbeauche, 2006-05-03T21:45:14Z

#	Line 1 \| Line 1
1		/*
2		* sheepshaver_glue.cpp - Glue Kheperix CPU to SheepShaver CPU engine interface
3		*
4	<	* SheepShaver (C) 1997-2002 Christian Bauer and Marc Hellwig
4	>	* SheepShaver (C) 1997-2005 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 28 \| Line 28
28		#include "macos_util.h"
29		#include "block-alloc.hpp"
30		#include "sigsegv.h"
31	–	#include "spcflags.h"
31		#include "cpu/ppc/ppc-cpu.hpp"
32		#include "cpu/ppc/ppc-operations.hpp"
33	+	#include "cpu/ppc/ppc-instructions.hpp"
34	+	#include "thunks.h"
35
36		// Used for NativeOp trampolines
37		#include "video.h"
38		#include "name_registry.h"
39		#include "serial.h"
40	+	#include "ether.h"
41	+	#include "timer.h"
42
43		#include <stdio.h>
44	+	#include <stdlib.h>
45	+	#ifdef HAVE_MALLOC_H
46	+	#include <malloc.h>
47	+	#endif
48	+
49	+	#ifdef USE_SDL_VIDEO
50	+	#include <SDL_events.h>
51	+	#endif
52
53		#if ENABLE_MON
54		#include "mon.h"
55		#include "mon_disass.h"
56		#endif
57
58	<	#define DEBUG 1
58	>	#define DEBUG 0
59		#include "debug.h"
60
61	+	// Emulation time statistics
62	+	#ifndef EMUL_TIME_STATS
63	+	#define EMUL_TIME_STATS 0
64	+	#endif
65	+
66	+	#if EMUL_TIME_STATS
67	+	static clock_t emul_start_time;
68	+	static uint32 interrupt_count = 0, ppc_interrupt_count = 0;
69	+	static clock_t interrupt_time = 0;
70	+	static uint32 exec68k_count = 0;
71	+	static clock_t exec68k_time = 0;
72	+	static uint32 native_exec_count = 0;
73	+	static clock_t native_exec_time = 0;
74	+	static uint32 macos_exec_count = 0;
75	+	static clock_t macos_exec_time = 0;
76	+	#endif
77	+
78		static void enter_mon(void)
79		{
80		// Start up mon in real-mode
#	Line 56 \| Line 84 \| static void enter_mon(void)
84		#endif
85		}
86
87	<	// Enable multicore (main/interrupts) cpu emulation?
88	<	#define MULTICORE_CPU 0
87	>	// From main_*.cpp
88	>	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;
96
97		// Enable Execute68k() safety checks?
98		#define SAFE_EXEC_68K 1
#	Line 71 \| Line 106 \| static void enter_mon(void)
106		// Interrupts in native mode?
107		#define INTERRUPTS_IN_NATIVE_MODE 1
108
109	<	// 68k Emulator Data
110	<	struct EmulatorData {
76	<	uint32 v[0x400];
77	<	};
109	>	// Pointer to Kernel Data
110	>	static KernelData * kernel_data;
111
112	<	// Kernel Data
113	<	struct KernelData {
81	<	uint32 v[0x400];
82	<	EmulatorData ed;
83	<	};
112	>	// SIGSEGV handler
113	>	sigsegv_return_t sigsegv_handler(sigsegv_address_t, sigsegv_address_t);
114
115	<	// Pointer to Kernel Data
116	<	static KernelData * const kernel_data = (KernelData *)0x68ffe000;
115	>	#if PPC_ENABLE_JIT && PPC_REENTRANT_JIT
116	>	// Special trampolines for EmulOp and NativeOp
117	>	static uint8 *emul_op_trampoline;
118	>	static uint8 *native_op_trampoline;
119	>	#endif
120	>
121	>	// JIT Compiler enabled?
122	>	static inline bool enable_jit_p()
123	>	{
124	>	return PrefsFindBool("jit");
125	>	}
126
127
128		/**
129		* PowerPC emulator glue with special 'sheep' opcodes
130		**/
131
132	<	struct sheepshaver_exec_return { };
132	>	enum {
133	>	PPC_I(SHEEP) = PPC_I(MAX),
134	>	PPC_I(SHEEP_MAX)
135	>	};
136
137		class sheepshaver_cpu
138		: public powerpc_cpu
#	Line 100 \| Line 142 \| class sheepshaver_cpu
142
143		public:
144
145	<	sheepshaver_cpu()
146	<	: powerpc_cpu()
105	<	{ init_decoder(); }
145	>	// Constructor
146	>	sheepshaver_cpu();
147
148	<	// Condition Register accessors
148	>	// CR & XER accessors
149		uint32 get_cr() const { return cr().get(); }
150		void set_cr(uint32 v) { cr().set(v); }
151	+	uint32 get_xer() const { return xer().get(); }
152	+	void set_xer(uint32 v) { xer().set(v); }
153	+
154	+	// Execute NATIVE_OP routine
155	+	void execute_native_op(uint32 native_op);
156
157	<	// Execution loop
158	<	void execute(uint32 pc);
157	>	// Execute EMUL_OP routine
158	>	void execute_emul_op(uint32 emul_op);
159
160		// Execute 68k routine
161		void execute_68k(uint32 entry, M68kRegisters *r);
#	Line 120 \| Line 166 \| public:
166		// Execute MacOS/PPC code
167		uint32 execute_macos_code(uint32 tvect, int nargs, uint32 const *args);
168
169	+	#if PPC_ENABLE_JIT
170	+	// Compile one instruction
171	+	virtual int compile1(codegen_context_t & cg_context);
172	+	#endif
173		// Resource manager thunk
174		void get_resource(uint32 old_get_resource);
175
176		// Handle MacOS interrupt
177	<	void interrupt(uint32 entry, sheepshaver_cpu *cpu);
177	>	void interrupt(uint32 entry);
178
179	<	// spcflags for interrupts handling
180	<	static uint32 spcflags;
131	<
132	<	// Lazy memory allocator (one item at a time)
133	<	void *operator new(size_t size)
134	<	{ return allocator_helper< sheepshaver_cpu, lazy_allocator >::allocate(); }
135	<	void operator delete(void *p)
136	<	{ allocator_helper< sheepshaver_cpu, lazy_allocator >::deallocate(p); }
137	<	// FIXME: really make surre array allocation fail at link time?
138	<	void *operator new[](size_t);
139	<	void operator delete[](void *p);
179	>	// Make sure the SIGSEGV handler can access CPU registers
180	>	friend sigsegv_return_t sigsegv_handler(sigsegv_address_t, sigsegv_address_t);
181		};
182
183	<	uint32 sheepshaver_cpu::spcflags = 0;
184	<	lazy_allocator< sheepshaver_cpu > allocator_helper< sheepshaver_cpu, lazy_allocator >::allocator;
183	>	sheepshaver_cpu::sheepshaver_cpu()
184	>	: powerpc_cpu(enable_jit_p())
185	>	{
186	>	init_decoder();
187	>	}
188
189		void sheepshaver_cpu::init_decoder()
190		{
147	–	#ifndef PPC_NO_STATIC_II_INDEX_TABLE
148	–	static bool initialized = false;
149	–	if (initialized)
150	–	return;
151	–	initialized = true;
152	–	#endif
153	–
191		static const instr_info_t sheep_ii_table[] = {
192		{ "sheep",
193	<	(execute_fn)&sheepshaver_cpu::execute_sheep,
193	>	(execute_pmf)&sheepshaver_cpu::execute_sheep,
194		NULL,
195	<	D_form, 6, 0, CFLOW_TRAP
195	>	PPC_I(SHEEP),
196	>	D_form, 6, 0, CFLOW_JUMP \| CFLOW_TRAP
197		}
198		};
199
#	Line 168 \| Line 206 \| void sheepshaver_cpu::init_decoder()
206		}
207		}
208
171	–	// Forward declaration for native opcode handler
172	–	static void NativeOp(int selector);
173	–
209		/* NativeOp instruction format:
210	<	+------------+--------------------------+--+----------+------------+
211	<	\| 6 \| \|FN\| OP \| 2 \|
212	<	+------------+--------------------------+--+----------+------------+
213	<	0 5 \|6 19 20 21 25 26 31
210	>	+------------+-------------------------+--+-----------+------------+
211	>	\| 6 \| \|FN\| OP \| 2 \|
212	>	+------------+-------------------------+--+-----------+------------+
213	>	0 5 \|6 18 19 20 25 26 31
214		*/
215
216	<	typedef bit_field< 20, 20 > FN_field;
217	<	typedef bit_field< 21, 25 > NATIVE_OP_field;
216	>	typedef bit_field< 19, 19 > FN_field;
217	>	typedef bit_field< 20, 25 > NATIVE_OP_field;
218		typedef bit_field< 26, 31 > EMUL_OP_field;
219
220	+	// Execute EMUL_OP routine
221	+	void sheepshaver_cpu::execute_emul_op(uint32 emul_op)
222	+	{
223	+	M68kRegisters r68;
224	+	WriteMacInt32(XLM_68K_R25, gpr(25));
225	+	WriteMacInt32(XLM_RUN_MODE, MODE_EMUL_OP);
226	+	for (int i = 0; i < 8; i++)
227	+	r68.d[i] = gpr(8 + i);
228	+	for (int i = 0; i < 7; i++)
229	+	r68.a[i] = gpr(16 + i);
230	+	r68.a[7] = gpr(1);
231	+	uint32 saved_cr = get_cr() & 0xff9fffff; // mask_operand::compute(11, 8)
232	+	uint32 saved_xer = get_xer();
233	+	EmulOp(&r68, gpr(24), emul_op);
234	+	set_cr(saved_cr);
235	+	set_xer(saved_xer);
236	+	for (int i = 0; i < 8; i++)
237	+	gpr(8 + i) = r68.d[i];
238	+	for (int i = 0; i < 7; i++)
239	+	gpr(16 + i) = r68.a[i];
240	+	gpr(1) = r68.a[7];
241	+	WriteMacInt32(XLM_RUN_MODE, MODE_68K);
242	+	}
243	+
244		// Execute SheepShaver instruction
245		void sheepshaver_cpu::execute_sheep(uint32 opcode)
246		{
#	Line 192 \| Line 251 \| void sheepshaver_cpu::execute_sheep(uint
251		case 0: // EMUL_RETURN
252		QuitEmulator();
253		break;
254	<
254	>
255		case 1: // EXEC_RETURN
256	<	throw sheepshaver_exec_return();
256	>	spcflags().set(SPCFLAG_CPU_EXEC_RETURN);
257		break;
258
259		case 2: // EXEC_NATIVE
260	<	NativeOp(NATIVE_OP_field::extract(opcode));
260	>	execute_native_op(NATIVE_OP_field::extract(opcode));
261		if (FN_field::test(opcode))
262		pc() = lr();
263		else
264		pc() += 4;
265		break;
266
267	<	default: { // EMUL_OP
268	<	M68kRegisters r68;
210	<	WriteMacInt32(XLM_68K_R25, gpr(25));
211	<	WriteMacInt32(XLM_RUN_MODE, MODE_EMUL_OP);
212	<	for (int i = 0; i < 8; i++)
213	<	r68.d[i] = gpr(8 + i);
214	<	for (int i = 0; i < 7; i++)
215	<	r68.a[i] = gpr(16 + i);
216	<	r68.a[7] = gpr(1);
217	<	EmulOp(&r68, gpr(24), EMUL_OP_field::extract(opcode) - 3);
218	<	for (int i = 0; i < 8; i++)
219	<	gpr(8 + i) = r68.d[i];
220	<	for (int i = 0; i < 7; i++)
221	<	gpr(16 + i) = r68.a[i];
222	<	gpr(1) = r68.a[7];
223	<	WriteMacInt32(XLM_RUN_MODE, MODE_68K);
267	>	default: // EMUL_OP
268	>	execute_emul_op(EMUL_OP_field::extract(opcode) - 3);
269		pc() += 4;
270		break;
271		}
227	–	}
272		}
273
274	<	// Checks for pending interrupts
275	<	struct execute_nothing {
276	<	static inline void execute(powerpc_cpu *) { }
277	<	};
274	>	// Compile one instruction
275	>	#if PPC_ENABLE_JIT
276	>	int sheepshaver_cpu::compile1(codegen_context_t & cg_context)
277	>	{
278	>	const instr_info_t *ii = cg_context.instr_info;
279	>	if (ii->mnemo != PPC_I(SHEEP))
280	>	return COMPILE_FAILURE;
281	>
282	>	int status = COMPILE_FAILURE;
283	>	powerpc_dyngen & dg = cg_context.codegen;
284	>	uint32 opcode = cg_context.opcode;
285
286	<	static void HandleInterrupt(void);
286	>	switch (opcode & 0x3f) {
287	>	case 0: // EMUL_RETURN
288	>	dg.gen_invoke(QuitEmulator);
289	>	status = COMPILE_CODE_OK;
290	>	break;
291
292	<	struct execute_spcflags_check {
293	<	static inline void execute(powerpc_cpu *cpu) {
294	<	if (SPCFLAGS_TEST(SPCFLAG_ALL_BUT_EXEC_RETURN)) {
295	<	if (SPCFLAGS_TEST( SPCFLAG_ENTER_MON )) {
296	<	SPCFLAGS_CLEAR( SPCFLAG_ENTER_MON );
297	<	enter_mon();
298	<	}
299	<	if (SPCFLAGS_TEST( SPCFLAG_DOINT )) {
300	<	SPCFLAGS_CLEAR( SPCFLAG_DOINT );
301	<	HandleInterrupt();
302	<	}
303	<	if (SPCFLAGS_TEST( SPCFLAG_INT )) {
304	<	SPCFLAGS_CLEAR( SPCFLAG_INT );
305	<	SPCFLAGS_SET( SPCFLAG_DOINT );
292	>	case 1: // EXEC_RETURN
293	>	dg.gen_spcflags_set(SPCFLAG_CPU_EXEC_RETURN);
294	>	// Don't check for pending interrupts, we do know we have to
295	>	// get out of this block ASAP
296	>	dg.gen_exec_return();
297	>	status = COMPILE_EPILOGUE_OK;
298	>	break;
299	>
300	>	case 2: { // EXEC_NATIVE
301	>	uint32 selector = NATIVE_OP_field::extract(opcode);
302	>	switch (selector) {
303	>	#if !PPC_REENTRANT_JIT
304	>	// Filter out functions that may invoke Execute68k() or
305	>	// CallMacOS(), this would break reentrancy as they could
306	>	// invalidate the translation cache and even overwrite
307	>	// continuation code when we are done with them.
308	>	case NATIVE_PATCH_NAME_REGISTRY:
309	>	dg.gen_invoke(DoPatchNameRegistry);
310	>	status = COMPILE_CODE_OK;
311	>	break;
312	>	case NATIVE_VIDEO_INSTALL_ACCEL:
313	>	dg.gen_invoke(VideoInstallAccel);
314	>	status = COMPILE_CODE_OK;
315	>	break;
316	>	case NATIVE_VIDEO_VBL:
317	>	dg.gen_invoke(VideoVBL);
318	>	status = COMPILE_CODE_OK;
319	>	break;
320	>	case NATIVE_GET_RESOURCE:
321	>	case NATIVE_GET_1_RESOURCE:
322	>	case NATIVE_GET_IND_RESOURCE:
323	>	case NATIVE_GET_1_IND_RESOURCE:
324	>	case NATIVE_R_GET_RESOURCE: {
325	>	static const uint32 get_resource_ptr[] = {
326	>	XLM_GET_RESOURCE,
327	>	XLM_GET_1_RESOURCE,
328	>	XLM_GET_IND_RESOURCE,
329	>	XLM_GET_1_IND_RESOURCE,
330	>	XLM_R_GET_RESOURCE
331	>	};
332	>	uint32 old_get_resource = ReadMacInt32(get_resource_ptr[selector - NATIVE_GET_RESOURCE]);
333	>	typedef void (*func_t)(dyngen_cpu_base, uint32);
334	>	func_t func = (func_t)nv_mem_fun(&sheepshaver_cpu::get_resource).ptr();
335	>	dg.gen_invoke_CPU_im(func, old_get_resource);
336	>	status = COMPILE_CODE_OK;
337	>	break;
338	>	}
339	>	case NATIVE_CHECK_LOAD_INVOC:
340	>	dg.gen_load_T0_GPR(3);
341	>	dg.gen_load_T1_GPR(4);
342	>	dg.gen_se_16_32_T1();
343	>	dg.gen_load_T2_GPR(5);
344	>	dg.gen_invoke_T0_T1_T2((void (*)(uint32, uint32, uint32))check_load_invoc);
345	>	status = COMPILE_CODE_OK;
346	>	break;
347	>	case NATIVE_NAMED_CHECK_LOAD_INVOC:
348	>	dg.gen_load_T0_GPR(3);
349	>	dg.gen_load_T1_GPR(4);
350	>	dg.gen_load_T2_GPR(5);
351	>	dg.gen_invoke_T0_T1_T2((void (*)(uint32, uint32, uint32))named_check_load_invoc);
352	>	status = COMPILE_CODE_OK;
353	>	break;
354	>	#endif
355	>	case NATIVE_BITBLT:
356	>	dg.gen_load_T0_GPR(3);
357	>	dg.gen_invoke_T0((void (*)(uint32))NQD_bitblt);
358	>	status = COMPILE_CODE_OK;
359	>	break;
360	>	case NATIVE_INVRECT:
361	>	dg.gen_load_T0_GPR(3);
362	>	dg.gen_invoke_T0((void (*)(uint32))NQD_invrect);
363	>	status = COMPILE_CODE_OK;
364	>	break;
365	>	case NATIVE_FILLRECT:
366	>	dg.gen_load_T0_GPR(3);
367	>	dg.gen_invoke_T0((void (*)(uint32))NQD_fillrect);
368	>	status = COMPILE_CODE_OK;
369	>	break;
370	>	}
371	>	// Could we fully translate this NativeOp?
372	>	if (status == COMPILE_CODE_OK) {
373	>	if (!FN_field::test(opcode))
374	>	cg_context.done_compile = false;
375	>	else {
376	>	dg.gen_load_A0_LR();
377	>	dg.gen_set_PC_A0();
378	>	cg_context.done_compile = true;
379		}
380	+	break;
381	+	}
382	+	#if PPC_REENTRANT_JIT
383	+	// Try to execute NativeOp trampoline
384	+	if (!FN_field::test(opcode))
385	+	dg.gen_set_PC_im(cg_context.pc + 4);
386	+	else {
387	+	dg.gen_load_A0_LR();
388	+	dg.gen_set_PC_A0();
389		}
390	+	dg.gen_mov_32_T0_im(selector);
391	+	dg.gen_jmp(native_op_trampoline);
392	+	cg_context.done_compile = true;
393	+	status = COMPILE_EPILOGUE_OK;
394	+	break;
395	+	#endif
396	+	// Invoke NativeOp handler
397	+	if (!FN_field::test(opcode)) {
398	+	typedef void (*func_t)(dyngen_cpu_base, uint32);
399	+	func_t func = (func_t)nv_mem_fun(&sheepshaver_cpu::execute_native_op).ptr();
400	+	dg.gen_invoke_CPU_im(func, selector);
401	+	cg_context.done_compile = false;
402	+	status = COMPILE_CODE_OK;
403	+	}
404	+	// Otherwise, let it generate a call to execute_sheep() which
405	+	// will cause necessary updates to the program counter
406	+	break;
407		}
254	–	};
408
409	<	// Execution loop
410	<	void sheepshaver_cpu::execute(uint32 entry)
411	<	{
412	<	try {
413	<	pc() = entry;
414	<	powerpc_cpu::do_execute<execute_nothing, execute_spcflags_check>();
415	<	}
416	<	catch (sheepshaver_exec_return const &) {
417	<	// Nothing, simply return
409	>	default: { // EMUL_OP
410	>	uint32 emul_op = EMUL_OP_field::extract(opcode) - 3;
411	>	#if PPC_REENTRANT_JIT
412	>	// Try to execute EmulOp trampoline
413	>	dg.gen_set_PC_im(cg_context.pc + 4);
414	>	dg.gen_mov_32_T0_im(emul_op);
415	>	dg.gen_jmp(emul_op_trampoline);
416	>	cg_context.done_compile = true;
417	>	status = COMPILE_EPILOGUE_OK;
418	>	break;
419	>	#endif
420	>	// Invoke EmulOp handler
421	>	typedef void (*func_t)(dyngen_cpu_base, uint32);
422	>	func_t func = (func_t)nv_mem_fun(&sheepshaver_cpu::execute_emul_op).ptr();
423	>	dg.gen_invoke_CPU_im(func, emul_op);
424	>	cg_context.done_compile = false;
425	>	status = COMPILE_CODE_OK;
426	>	break;
427		}
266	–	catch (...) {
267	–	printf("ERROR: execute() received an unknown exception!\n");
268	–	QuitEmulator();
428		}
429	+	return status;
430		}
431	+	#endif
432
433		// Handle MacOS interrupt
434	<	void sheepshaver_cpu::interrupt(uint32 entry, sheepshaver_cpu *cpu)
434	>	void sheepshaver_cpu::interrupt(uint32 entry)
435		{
436	<	#if MULTICORE_CPU
437	<	// Initialize stack pointer from previous CPU running
438	<	gpr(1) = cpu->gpr(1);
439	<	#else
436	>	#if EMUL_TIME_STATS
437	>	ppc_interrupt_count++;
438	>	const clock_t interrupt_start = clock();
439	>	#endif
440	>
441		// Save program counters and branch registers
442		uint32 saved_pc = pc();
443		uint32 saved_lr = lr();
444		uint32 saved_ctr= ctr();
445	<	#endif
445	>	uint32 saved_sp = gpr(1);
446
447	<	// Create stack frame
448	<	gpr(1) -= 64;
447	>	// Initialize stack pointer to SheepShaver alternate stack base
448	>	gpr(1) = SignalStackBase() - 64;
449
450		// Build trampoline to return from interrupt
451	<	uint32 trampoline[] = { POWERPC_EMUL_OP \| 1 };
451	>	SheepVar32 trampoline = POWERPC_EXEC_RETURN;
452
453		// Prepare registers for nanokernel interrupt routine
454	<	kernel_data->v[0x004 >> 2] = gpr(1);
455	<	kernel_data->v[0x018 >> 2] = gpr(6);
454	>	kernel_data->v[0x004 >> 2] = htonl(gpr(1));
455	>	kernel_data->v[0x018 >> 2] = htonl(gpr(6));
456
457	<	gpr(6) = kernel_data->v[0x65c >> 2];
457	>	gpr(6) = ntohl(kernel_data->v[0x65c >> 2]);
458		assert(gpr(6) != 0);
459		WriteMacInt32(gpr(6) + 0x13c, gpr(7));
460		WriteMacInt32(gpr(6) + 0x144, gpr(8));
#	Line 303 \| Line 465 \| void sheepshaver_cpu::interrupt(uint32 e
465		WriteMacInt32(gpr(6) + 0x16c, gpr(13));
466
467		gpr(1) = KernelDataAddr;
468	<	gpr(7) = kernel_data->v[0x660 >> 2];
468	>	gpr(7) = ntohl(kernel_data->v[0x660 >> 2]);
469		gpr(8) = 0;
470	<	gpr(10) = (uint32)trampoline;
471	<	gpr(12) = (uint32)trampoline;
472	<	gpr(13) = cr().get();
470	>	gpr(10) = trampoline.addr();
471	>	gpr(12) = trampoline.addr();
472	>	gpr(13) = get_cr();
473
474		// rlwimi. r7,r7,8,0,0
475		uint32 result = op_ppc_rlwimi::apply(gpr(7), 8, 0x80000000, gpr(7));
#	Line 315 \| Line 477 \| void sheepshaver_cpu::interrupt(uint32 e
477		gpr(7) = result;
478
479		gpr(11) = 0xf072; // MSR (SRR1)
480	<	cr().set((gpr(11) & 0x0fff0000) \| (cr().get() & ~0x0fff0000));
480	>	cr().set((gpr(11) & 0x0fff0000) \| (get_cr() & ~0x0fff0000));
481
482		// Enter nanokernel
483		execute(entry);
484
323	–	// Cleanup stack
324	–	gpr(1) += 64;
325	–
326	–	#if !MULTICORE_CPU
485		// Restore program counters and branch registers
486		pc() = saved_pc;
487		lr() = saved_lr;
488		ctr()= saved_ctr;
489	+	gpr(1) = saved_sp;
490	+
491	+	#if EMUL_TIME_STATS
492	+	interrupt_time += (clock() - interrupt_start);
493		#endif
494		}
495
496		// Execute 68k routine
497		void sheepshaver_cpu::execute_68k(uint32 entry, M68kRegisters *r)
498		{
499	+	#if EMUL_TIME_STATS
500	+	exec68k_count++;
501	+	const clock_t exec68k_start = clock();
502	+	#endif
503	+
504		#if SAFE_EXEC_68K
505		if (ReadMacInt32(XLM_RUN_MODE) != MODE_EMUL_OP)
506		printf("FATAL: Execute68k() not called from EMUL_OP mode\n");
#	Line 343 \| Line 510 \| void sheepshaver_cpu::execute_68k(uint32
510		uint32 saved_pc = pc();
511		uint32 saved_lr = lr();
512		uint32 saved_ctr= ctr();
513	+	uint32 saved_cr = get_cr();
514
515		// Create MacOS stack frame
516	+	// FIXME: make sure MacOS doesn't expect PPC registers to live on top
517		uint32 sp = gpr(1);
518	<	gpr(1) -= 56 + 194 + 188;
518	>	gpr(1) -= 56;
519		WriteMacInt32(gpr(1), sp);
520
521		// Save PowerPC registers
522	<	memcpy(Mac2HostAddr(gpr(1)+56), &gpr(13), sizeof(uint32)*(32-13));
522	>	uint32 saved_GPRs[19];
523	>	memcpy(&saved_GPRs[0], &gpr(13), sizeof(uint32)*(32-13));
524		#if SAVE_FP_EXEC_68K
525	<	memcpy(Mac2HostAddr(gpr(1)+56+194), &fpr(14), sizeof(double)(32-14));
525	>	double saved_FPRs[18];
526	>	memcpy(&saved_FPRs[0], &fpr(14), sizeof(double)*(32-14));
527		#endif
528
529		// Setup registers for 68k emulator
#	Line 366 \| Line 537 \| void sheepshaver_cpu::execute_68k(uint32
537		gpr(25) = ReadMacInt32(XLM_68K_R25); // MSB of SR
538		gpr(26) = 0;
539		gpr(28) = 0; // VBR
540	<	gpr(29) = kernel_data->ed.v[0x74 >> 2]; // Pointer to opcode table
541	<	gpr(30) = kernel_data->ed.v[0x78 >> 2]; // Address of emulator
540	>	gpr(29) = ntohl(kernel_data->ed.v[0x74 >> 2]); // Pointer to opcode table
541	>	gpr(30) = ntohl(kernel_data->ed.v[0x78 >> 2]); // Address of emulator
542		gpr(31) = KernelDataAddr + 0x1000;
543
544		// Push return address (points to EXEC_RETURN opcode) on stack
#	Line 399 \| Line 570 \| void sheepshaver_cpu::execute_68k(uint32
570		r->a[i] = gpr(16 + i);
571
572		// Restore PowerPC registers
573	<	memcpy(&gpr(13), Mac2HostAddr(gpr(1)+56), sizeof(uint32)*(32-13));
573	>	memcpy(&gpr(13), &saved_GPRs[0], sizeof(uint32)*(32-13));
574		#if SAVE_FP_EXEC_68K
575	<	memcpy(&fpr(14), Mac2HostAddr(gpr(1)+56+194), sizeof(double)(32-14));
575	>	memcpy(&fpr(14), &saved_FPRs[0], sizeof(double)*(32-14));
576		#endif
577
578		// Cleanup stack
579	<	gpr(1) += 56 + 194 + 188;
579	>	gpr(1) += 56;
580
581		// Restore program counters and branch registers
582		pc() = saved_pc;
583		lr() = saved_lr;
584		ctr()= saved_ctr;
585	+	set_cr(saved_cr);
586	+
587	+	#if EMUL_TIME_STATS
588	+	exec68k_time += (clock() - exec68k_start);
589	+	#endif
590		}
591
592		// Call MacOS PPC code
593		uint32 sheepshaver_cpu::execute_macos_code(uint32 tvect, int nargs, uint32 const *args)
594		{
595	+	#if EMUL_TIME_STATS
596	+	macos_exec_count++;
597	+	const clock_t macos_exec_start = clock();
598	+	#endif
599	+
600		// Save program counters and branch registers
601		uint32 saved_pc = pc();
602		uint32 saved_lr = lr();
603		uint32 saved_ctr= ctr();
604
605		// Build trampoline with EXEC_RETURN
606	<	uint32 trampoline[] = { POWERPC_EMUL_OP \| 1 };
607	<	lr() = (uint32)trampoline;
606	>	SheepVar32 trampoline = POWERPC_EXEC_RETURN;
607	>	lr() = trampoline.addr();
608
609		gpr(1) -= 64; // Create stack frame
610		uint32 proc = ReadMacInt32(tvect); // Get routine address
#	Line 454 \| Line 635 \| uint32 sheepshaver_cpu::execute_macos_co
635		lr() = saved_lr;
636		ctr()= saved_ctr;
637
638	+	#if EMUL_TIME_STATS
639	+	macos_exec_time += (clock() - macos_exec_start);
640	+	#endif
641	+
642		return retval;
643		}
644
#	Line 462 \| Line 647 \| inline void sheepshaver_cpu::execute_ppc
647		{
648		// Save branch registers
649		uint32 saved_lr = lr();
465	–	uint32 saved_ctr= ctr();
650
651	<	const uint32 trampoline[] = { POWERPC_EMUL_OP \| 1 };
651	>	SheepVar32 trampoline = POWERPC_EXEC_RETURN;
652	>	WriteMacInt32(trampoline.addr(), POWERPC_EXEC_RETURN);
653	>	lr() = trampoline.addr();
654
469	–	lr() = (uint32)trampoline;
470	–	ctr()= entry;
655		execute(entry);
656
657		// Restore branch registers
658		lr() = saved_lr;
475	–	ctr()= saved_ctr;
659		}
660
661		// Resource Manager thunk
479	–	extern "C" void check_load_invoc(uint32 type, int16 id, uint16 **h);
480	–
662		inline void sheepshaver_cpu::get_resource(uint32 old_get_resource)
663		{
664		uint32 type = gpr(3);
#	Line 488 \| Line 669 \| inline void sheepshaver_cpu::get_resourc
669
670		// Call old routine
671		execute_ppc(old_get_resource);
491	–	uint16 handle = (uint16 )gpr(3);
672
673		// Call CheckLoad()
674	+	uint32 handle = gpr(3);
675		check_load_invoc(type, id, handle);
676	<	gpr(3) = (uint32)handle;
676	>	gpr(3) = handle;
677
678		// Cleanup stack
679		gpr(1) += 56;
#	Line 503 \| Line 684 \| inline void sheepshaver_cpu::get_resourc
684		* SheepShaver CPU engine interface
685		**/
686
687	<	static sheepshaver_cpu *main_cpu = NULL; // CPU emulator to handle usual control flow
688	<	static sheepshaver_cpu *interrupt_cpu = NULL; // CPU emulator to handle interrupts
508	<	static sheepshaver_cpu *current_cpu = NULL; // Current CPU emulator context
687	>	// PowerPC CPU emulator
688	>	static sheepshaver_cpu *ppc_cpu = NULL;
689
690	<	static inline void cpu_push(sheepshaver_cpu *new_cpu)
690	>	void FlushCodeCache(uintptr start, uintptr end)
691		{
692	<	#if MULTICORE_CPU
693	<	current_cpu = new_cpu;
514	<	#endif
515	<	}
516	<
517	<	static inline void cpu_pop()
518	<	{
519	<	#if MULTICORE_CPU
520	<	current_cpu = main_cpu;
521	<	#endif
692	>	D(bug("FlushCodeCache(%08x, %08x)\n", start, end));
693	>	ppc_cpu->invalidate_cache_range(start, end);
694		}
695
696		// Dump PPC registers
697		static void dump_registers(void)
698		{
699	<	current_cpu->dump_registers();
699	>	ppc_cpu->dump_registers();
700		}
701
702		// Dump log
703		static void dump_log(void)
704		{
705	<	current_cpu->dump_log();
705	>	ppc_cpu->dump_log();
706		}
707
708		/*
709		* Initialize CPU emulation
710		*/
711
712	<	static sigsegv_return_t sigsegv_handler(sigsegv_address_t fault_address, sigsegv_address_t fault_instruction)
712	>	sigsegv_return_t sigsegv_handler(sigsegv_address_t fault_address, sigsegv_address_t fault_instruction)
713		{
714		#if ENABLE_VOSF
715		// Handle screen fault
#	Line 549 \| Line 721 \| static sigsegv_return_t sigsegv_handler(
721		const uintptr addr = (uintptr)fault_address;
722		#if HAVE_SIGSEGV_SKIP_INSTRUCTION
723		// Ignore writes to ROM
724	<	if ((addr - ROM_BASE) < ROM_SIZE)
724	>	if ((addr - (uintptr)ROMBaseHost) < ROM_SIZE)
725		return SIGSEGV_RETURN_SKIP_INSTRUCTION;
726
727	<	// Ignore all other faults, if requested
728	<	if (PrefsFindBool("ignoresegv"))
729	<	return SIGSEGV_RETURN_FAILURE;
727	>	// Get program counter of target CPU
728	>	sheepshaver_cpu * const cpu = ppc_cpu;
729	>	const uint32 pc = cpu->pc();
730	>
731	>	// Fault in Mac ROM or RAM?
732	>	bool mac_fault = (pc >= ROM_BASE) && (pc < (ROM_BASE + ROM_AREA_SIZE)) \|\| (pc >= RAMBase) && (pc < (RAMBase + RAMSize)) \|\| (pc >= DR_CACHE_BASE && pc < (DR_CACHE_BASE + DR_CACHE_SIZE));
733	>	if (mac_fault) {
734	>
735	>	// "VM settings" during MacOS 8 installation
736	>	if (pc == ROM_BASE + 0x488160 && cpu->gpr(20) == 0xf8000000)
737	>	return SIGSEGV_RETURN_SKIP_INSTRUCTION;
738	>
739	>	// MacOS 8.5 installation
740	>	else if (pc == ROM_BASE + 0x488140 && cpu->gpr(16) == 0xf8000000)
741	>	return SIGSEGV_RETURN_SKIP_INSTRUCTION;
742	>
743	>	// MacOS 8 serial drivers on startup
744	>	else if (pc == ROM_BASE + 0x48e080 && (cpu->gpr(8) == 0xf3012002 \|\| cpu->gpr(8) == 0xf3012000))
745	>	return SIGSEGV_RETURN_SKIP_INSTRUCTION;
746	>
747	>	// MacOS 8.1 serial drivers on startup
748	>	else if (pc == ROM_BASE + 0x48c5e0 && (cpu->gpr(20) == 0xf3012002 \|\| cpu->gpr(20) == 0xf3012000))
749	>	return SIGSEGV_RETURN_SKIP_INSTRUCTION;
750	>	else if (pc == ROM_BASE + 0x4a10a0 && (cpu->gpr(20) == 0xf3012002 \|\| cpu->gpr(20) == 0xf3012000))
751	>	return SIGSEGV_RETURN_SKIP_INSTRUCTION;
752	>
753	>	// MacOS 8.6 serial drivers on startup (with DR Cache and OldWorld ROM)
754	>	else if ((pc - DR_CACHE_BASE) < DR_CACHE_SIZE && (cpu->gpr(16) == 0xf3012002 \|\| cpu->gpr(16) == 0xf3012000))
755	>	return SIGSEGV_RETURN_SKIP_INSTRUCTION;
756	>	else if ((pc - DR_CACHE_BASE) < DR_CACHE_SIZE && (cpu->gpr(20) == 0xf3012002 \|\| cpu->gpr(20) == 0xf3012000))
757	>	return SIGSEGV_RETURN_SKIP_INSTRUCTION;
758	>
759	>	// Ignore writes to the zero page
760	>	else if ((uint32)(addr - SheepMem::ZeroPage()) < (uint32)SheepMem::PageSize())
761	>	return SIGSEGV_RETURN_SKIP_INSTRUCTION;
762	>
763	>	// Ignore all other faults, if requested
764	>	if (PrefsFindBool("ignoresegv"))
765	>	return SIGSEGV_RETURN_SKIP_INSTRUCTION;
766	>	}
767		#else
768		#error "FIXME: You don't have the capability to skip instruction within signal handlers"
769		#endif
770
771	<	printf("SIGSEGV\n");
772	<	printf(" pc %p\n", fault_instruction);
773	<	printf(" ea %p\n", fault_address);
565	<	printf(" cpu %s\n", current_cpu == main_cpu ? "main" : "interrupts");
771	>	fprintf(stderr, "SIGSEGV\n");
772	>	fprintf(stderr, " pc %p\n", fault_instruction);
773	>	fprintf(stderr, " ea %p\n", fault_address);
774		dump_registers();
775	<	current_cpu->dump_log();
775	>	ppc_cpu->dump_log();
776		enter_mon();
777		QuitEmulator();
778
#	Line 573 \| Line 781 \| static sigsegv_return_t sigsegv_handler(
781
782		void init_emul_ppc(void)
783		{
784	+	// Get pointer to KernelData in host address space
785	+	kernel_data = (KernelData *)Mac2HostAddr(KERNEL_DATA_BASE);
786	+
787		// Initialize main CPU emulator
788	<	main_cpu = new sheepshaver_cpu();
789	<	main_cpu->set_register(powerpc_registers::GPR(3), any_register((uint32)ROM_BASE + 0x30d000));
788	>	ppc_cpu = new sheepshaver_cpu();
789	>	ppc_cpu->set_register(powerpc_registers::GPR(3), any_register((uint32)ROM_BASE + 0x30d000));
790	>	ppc_cpu->set_register(powerpc_registers::GPR(4), any_register(KernelDataAddr + 0x1000));
791		WriteMacInt32(XLM_RUN_MODE, MODE_68K);
792
581	–	#if MULTICORE_CPU
582	–	// Initialize alternate CPU emulator to handle interrupts
583	–	interrupt_cpu = new sheepshaver_cpu();
584	–	#endif
585	–
586	–	// Install the handler for SIGSEGV
587	–	sigsegv_install_handler(sigsegv_handler);
588	–
793		#if ENABLE_MON
794		// Install "regs" command in cxmon
795		mon_add_command("regs", dump_registers, "regs Dump PowerPC registers\n");
796		mon_add_command("log", dump_log, "log Dump PowerPC emulation log\n");
797		#endif
798	+
799	+	#if EMUL_TIME_STATS
800	+	emul_start_time = clock();
801	+	#endif
802		}
803
804		/*
805	+	* Deinitialize emulation
806	+	*/
807	+
808	+	void exit_emul_ppc(void)
809	+	{
810	+	#if EMUL_TIME_STATS
811	+	clock_t emul_end_time = clock();
812	+
813	+	printf("### Statistics for SheepShaver emulation parts\n");
814	+	const clock_t emul_time = emul_end_time - emul_start_time;
815	+	printf("Total emulation time : %.1f sec\n", double(emul_time) / double(CLOCKS_PER_SEC));
816	+	printf("Total interrupt count: %d (%2.1f Hz)\n", interrupt_count,
817	+	(double(interrupt_count) * CLOCKS_PER_SEC) / double(emul_time));
818	+	printf("Total ppc interrupt count: %d (%2.1f %%)\n", ppc_interrupt_count,
819	+	(double(ppc_interrupt_count) * 100.0) / double(interrupt_count));
820	+
821	+	#define PRINT_STATS(LABEL, VAR_PREFIX) do { \
822	+	printf("Total " LABEL " count : %d\n", VAR_PREFIX##_count); \
823	+	printf("Total " LABEL " time : %.1f sec (%.1f%%)\n", \
824	+	double(VAR_PREFIX##_time) / double(CLOCKS_PER_SEC), \
825	+	100.0 * double(VAR_PREFIX##_time) / double(emul_time)); \
826	+	} while (0)
827	+
828	+	PRINT_STATS("Execute68k[Trap] execution", exec68k);
829	+	PRINT_STATS("NativeOp execution", native_exec);
830	+	PRINT_STATS("MacOS routine execution", macos_exec);
831	+
832	+	#undef PRINT_STATS
833	+	printf("\n");
834	+	#endif
835	+
836	+	delete ppc_cpu;
837	+	ppc_cpu = NULL;
838	+	}
839	+
840	+	#if PPC_ENABLE_JIT && PPC_REENTRANT_JIT
841	+	// Initialize EmulOp trampolines
842	+	void init_emul_op_trampolines(basic_dyngen & dg)
843	+	{
844	+	typedef void (*func_t)(dyngen_cpu_base, uint32);
845	+	func_t func;
846	+
847	+	// EmulOp
848	+	emul_op_trampoline = dg.gen_start();
849	+	func = (func_t)nv_mem_fun(&sheepshaver_cpu::execute_emul_op).ptr();
850	+	dg.gen_invoke_CPU_T0(func);
851	+	dg.gen_exec_return();
852	+	dg.gen_end();
853	+
854	+	// NativeOp
855	+	native_op_trampoline = dg.gen_start();
856	+	func = (func_t)nv_mem_fun(&sheepshaver_cpu::execute_native_op).ptr();
857	+	dg.gen_invoke_CPU_T0(func);
858	+	dg.gen_exec_return();
859	+	dg.gen_end();
860	+
861	+	D(bug("EmulOp trampoline: %p\n", emul_op_trampoline));
862	+	D(bug("NativeOp trampoline: %p\n", native_op_trampoline));
863	+	}
864	+	#endif
865	+
866	+	/*
867		* Emulation loop
868		*/
869
870		void emul_ppc(uint32 entry)
871		{
872	<	current_cpu = main_cpu;
873	<	current_cpu->start_log();
874	<	current_cpu->execute(entry);
872	>	#if 0
873	>	ppc_cpu->start_log();
874	>	#endif
875	>	// start emulation loop and enable code translation or caching
876	>	ppc_cpu->execute(entry);
877		}
878
879		/*
880		* Handle PowerPC interrupt
881		*/
882
611	–	// Atomic operations
612	–	extern int atomic_add(int *var, int v);
613	–	extern int atomic_and(int *var, int v);
614	–	extern int atomic_or(int *var, int v);
615	–
883		void TriggerInterrupt(void)
884		{
885	+	idle_resume();
886		#if 0
887		WriteMacInt32(0x16a, ReadMacInt32(0x16a) + 1);
888		#else
889	<	SPCFLAGS_SET( SPCFLAG_INT );
889	>	// Trigger interrupt to main cpu only
890	>	if (ppc_cpu)
891	>	ppc_cpu->trigger_interrupt();
892		#endif
893		}
894
895	<	static void HandleInterrupt(void)
895	>	void HandleInterrupt(powerpc_registers *r)
896		{
897	+	#ifdef USE_SDL_VIDEO
898	+	// We must fill in the events queue in the same thread that did call SDL_SetVideoMode()
899	+	SDL_PumpEvents();
900	+	#endif
901	+
902		// Do nothing if interrupts are disabled
903		if (int32(ReadMacInt32(XLM_IRQ_NEST)) > 0)
904		return;
905
906	<	// Do nothing if there is no interrupt pending
907	<	if (InterruptFlags == 0)
908	<	return;
909	<
635	<	// Disable MacOS stack sniffer
636	<	WriteMacInt32(0x110, 0);
906	>	// Update interrupt count
907	>	#if EMUL_TIME_STATS
908	>	interrupt_count++;
909	>	#endif
910
911		// Interrupt action depends on current run mode
912		switch (ReadMacInt32(XLM_RUN_MODE)) {
913		case MODE_68K:
914		// 68k emulator active, trigger 68k interrupt level 1
642	–	assert(current_cpu == main_cpu);
915		WriteMacInt16(tswap32(kernel_data->v[0x67c >> 2]), 1);
916	<	main_cpu->set_cr(main_cpu->get_cr() \| tswap32(kernel_data->v[0x674 >> 2]));
916	>	r->cr.set(r->cr.get() \| tswap32(kernel_data->v[0x674 >> 2]));
917		break;
918
919		#if INTERRUPTS_IN_NATIVE_MODE
920		case MODE_NATIVE:
921		// 68k emulator inactive, in nanokernel?
922	<	assert(current_cpu == main_cpu);
923	<	if (main_cpu->gpr(1) != KernelDataAddr) {
922	>	if (r->gpr[1] != KernelDataAddr) {
923	>
924		// Prepare for 68k interrupt level 1
925		WriteMacInt16(tswap32(kernel_data->v[0x67c >> 2]), 1);
926		WriteMacInt32(tswap32(kernel_data->v[0x658 >> 2]) + 0xdc,
#	Line 657 \| Line 929 \| static void HandleInterrupt(void)
929
930		// Execute nanokernel interrupt routine (this will activate the 68k emulator)
931		DisableInterrupt();
660	–	cpu_push(interrupt_cpu);
932		if (ROMType == ROMTYPE_NEWWORLD)
933	<	current_cpu->interrupt(ROM_BASE + 0x312b1c, main_cpu);
933	>	ppc_cpu->interrupt(ROM_BASE + 0x312b1c);
934		else
935	<	current_cpu->interrupt(ROM_BASE + 0x312a3c, main_cpu);
665	<	cpu_pop();
935	>	ppc_cpu->interrupt(ROM_BASE + 0x312a3c);
936		}
937		break;
938		#endif
#	Line 671 \| Line 941 \| static void HandleInterrupt(void)
941		case MODE_EMUL_OP:
942		// 68k emulator active, within EMUL_OP routine, execute 68k interrupt routine directly when interrupt level is 0
943		if ((ReadMacInt32(XLM_68K_R25) & 7) == 0) {
944	+	#if EMUL_TIME_STATS
945	+	const clock_t interrupt_start = clock();
946	+	#endif
947		#if 1
948		// Execute full 68k interrupt routine
949		M68kRegisters r;
950		uint32 old_r25 = ReadMacInt32(XLM_68K_R25); // Save interrupt level
951		WriteMacInt32(XLM_68K_R25, 0x21); // Execute with interrupt level 1
952	<	static const uint8 proc[] = {
952	>	static const uint8 proc_template[] = {
953		0x3f, 0x3c, 0x00, 0x00, // move.w #$0000,-(sp) (fake format word)
954		0x48, 0x7a, 0x00, 0x0a, // pea @1(pc) (return address)
955		0x40, 0xe7, // move sr,-(sp) (saved SR)
#	Line 684 \| Line 957 \| static void HandleInterrupt(void)
957		0x4e, 0xd0, // jmp (a0)
958		M68K_RTS >> 8, M68K_RTS & 0xff // @1
959		};
960	<	Execute68k((uint32)proc, &r);
960	>	BUILD_SHEEPSHAVER_PROCEDURE(proc);
961	>	Execute68k(proc, &r);
962		WriteMacInt32(XLM_68K_R25, old_r25); // Restore interrupt level
963		#else
964		// Only update cursor
#	Line 692 \| Line 966 \| static void HandleInterrupt(void)
966		if (InterruptFlags & INTFLAG_VIA) {
967		ClearInterruptFlag(INTFLAG_VIA);
968		ADBInterrupt();
969	<	ExecutePPC(VideoVBL);
969	>	ExecuteNative(NATIVE_VIDEO_VBL);
970		}
971		}
972		#endif
973	+	#if EMUL_TIME_STATS
974	+	interrupt_time += (clock() - interrupt_start);
975	+	#endif
976		}
977		break;
978		#endif
979		}
980		}
981
982	<	/*
983	<	* Execute NATIVE_OP opcode (called by PowerPC emulator)
707	<	*/
708	<
709	<	#define POWERPC_NATIVE_OP_INIT(LR, OP) \
710	<	tswap32(POWERPC_EMUL_OP \| ((LR) << 11) \| (((uint32)OP) << 6) \| 2)
711	<
712	<	// FIXME: Make sure 32-bit relocations are used
713	<	const uint32 NativeOpTable[NATIVE_OP_MAX] = {
714	<	POWERPC_NATIVE_OP_INIT(1, NATIVE_PATCH_NAME_REGISTRY),
715	<	POWERPC_NATIVE_OP_INIT(1, NATIVE_VIDEO_INSTALL_ACCEL),
716	<	POWERPC_NATIVE_OP_INIT(1, NATIVE_VIDEO_VBL),
717	<	POWERPC_NATIVE_OP_INIT(1, NATIVE_VIDEO_DO_DRIVER_IO),
718	<	POWERPC_NATIVE_OP_INIT(1, NATIVE_ETHER_IRQ),
719	<	POWERPC_NATIVE_OP_INIT(1, NATIVE_ETHER_INIT),
720	<	POWERPC_NATIVE_OP_INIT(1, NATIVE_ETHER_TERM),
721	<	POWERPC_NATIVE_OP_INIT(1, NATIVE_ETHER_OPEN),
722	<	POWERPC_NATIVE_OP_INIT(1, NATIVE_ETHER_CLOSE),
723	<	POWERPC_NATIVE_OP_INIT(1, NATIVE_ETHER_WPUT),
724	<	POWERPC_NATIVE_OP_INIT(1, NATIVE_ETHER_RSRV),
725	<	POWERPC_NATIVE_OP_INIT(1, NATIVE_SERIAL_NOTHING),
726	<	POWERPC_NATIVE_OP_INIT(1, NATIVE_SERIAL_OPEN),
727	<	POWERPC_NATIVE_OP_INIT(1, NATIVE_SERIAL_PRIME_IN),
728	<	POWERPC_NATIVE_OP_INIT(1, NATIVE_SERIAL_PRIME_OUT),
729	<	POWERPC_NATIVE_OP_INIT(1, NATIVE_SERIAL_CONTROL),
730	<	POWERPC_NATIVE_OP_INIT(1, NATIVE_SERIAL_STATUS),
731	<	POWERPC_NATIVE_OP_INIT(1, NATIVE_SERIAL_CLOSE),
732	<	POWERPC_NATIVE_OP_INIT(1, NATIVE_GET_RESOURCE),
733	<	POWERPC_NATIVE_OP_INIT(1, NATIVE_GET_1_RESOURCE),
734	<	POWERPC_NATIVE_OP_INIT(1, NATIVE_GET_IND_RESOURCE),
735	<	POWERPC_NATIVE_OP_INIT(1, NATIVE_GET_1_IND_RESOURCE),
736	<	POWERPC_NATIVE_OP_INIT(1, NATIVE_R_GET_RESOURCE),
737	<	POWERPC_NATIVE_OP_INIT(0, NATIVE_DISABLE_INTERRUPT),
738	<	POWERPC_NATIVE_OP_INIT(0, NATIVE_ENABLE_INTERRUPT),
739	<	};
740	<
741	<	static void get_resource(void);
742	<	static void get_1_resource(void);
743	<	static void get_ind_resource(void);
744	<	static void get_1_ind_resource(void);
745	<	static void r_get_resource(void);
746	<
747	<	#define GPR(REG) current_cpu->gpr(REG)
748	<
749	<	static void NativeOp(int selector)
982	>	// Execute NATIVE_OP routine
983	>	void sheepshaver_cpu::execute_native_op(uint32 selector)
984		{
985	+	#if EMUL_TIME_STATS
986	+	native_exec_count++;
987	+	const clock_t native_exec_start = clock();
988	+	#endif
989	+
990		switch (selector) {
991		case NATIVE_PATCH_NAME_REGISTRY:
992		DoPatchNameRegistry();
#	Line 759 \| Line 998 \| static void NativeOp(int selector)
998		VideoVBL();
999		break;
1000		case NATIVE_VIDEO_DO_DRIVER_IO:
1001	<	GPR(3) = (int32)(int16)VideoDoDriverIO((void )GPR(3), (void )GPR(4),
763	<	(void *)GPR(5), GPR(6), GPR(7));
1001	>	gpr(3) = (int32)(int16)VideoDoDriverIO(gpr(3), gpr(4), gpr(5), gpr(6), gpr(7));
1002		break;
1003	<	case NATIVE_GET_RESOURCE:
1004	<	get_resource();
1003	>	case NATIVE_ETHER_AO_GET_HWADDR:
1004	>	AO_get_ethernet_address(gpr(3));
1005		break;
1006	<	case NATIVE_GET_1_RESOURCE:
1007	<	get_1_resource();
1006	>	case NATIVE_ETHER_AO_ADD_MULTI:
1007	>	AO_enable_multicast(gpr(3));
1008		break;
1009	<	case NATIVE_GET_IND_RESOURCE:
1010	<	get_ind_resource();
1009	>	case NATIVE_ETHER_AO_DEL_MULTI:
1010	>	AO_disable_multicast(gpr(3));
1011		break;
1012	<	case NATIVE_GET_1_IND_RESOURCE:
1013	<	get_1_ind_resource();
1012	>	case NATIVE_ETHER_AO_SEND_PACKET:
1013	>	AO_transmit_packet(gpr(3));
1014		break;
1015	<	case NATIVE_R_GET_RESOURCE:
1016	<	r_get_resource();
1015	>	case NATIVE_ETHER_IRQ:
1016	>	EtherIRQ();
1017	>	break;
1018	>	case NATIVE_ETHER_INIT:
1019	>	gpr(3) = InitStreamModule((void *)gpr(3));
1020	>	break;
1021	>	case NATIVE_ETHER_TERM:
1022	>	TerminateStreamModule();
1023	>	break;
1024	>	case NATIVE_ETHER_OPEN:
1025	>	gpr(3) = ether_open((queue_t )gpr(3), (void )gpr(4), gpr(5), gpr(6), (void*)gpr(7));
1026	>	break;
1027	>	case NATIVE_ETHER_CLOSE:
1028	>	gpr(3) = ether_close((queue_t )gpr(3), gpr(4), (void )gpr(5));
1029	>	break;
1030	>	case NATIVE_ETHER_WPUT:
1031	>	gpr(3) = ether_wput((queue_t )gpr(3), (mblk_t )gpr(4));
1032	>	break;
1033	>	case NATIVE_ETHER_RSRV:
1034	>	gpr(3) = ether_rsrv((queue_t *)gpr(3));
1035	>	break;
1036	>	case NATIVE_SYNC_HOOK:
1037	>	gpr(3) = NQD_sync_hook(gpr(3));
1038	>	break;
1039	>	case NATIVE_BITBLT_HOOK:
1040	>	gpr(3) = NQD_bitblt_hook(gpr(3));
1041	>	break;
1042	>	case NATIVE_BITBLT:
1043	>	NQD_bitblt(gpr(3));
1044	>	break;
1045	>	case NATIVE_FILLRECT_HOOK:
1046	>	gpr(3) = NQD_fillrect_hook(gpr(3));
1047	>	break;
1048	>	case NATIVE_INVRECT:
1049	>	NQD_invrect(gpr(3));
1050	>	break;
1051	>	case NATIVE_FILLRECT:
1052	>	NQD_fillrect(gpr(3));
1053		break;
1054		case NATIVE_SERIAL_NOTHING:
1055		case NATIVE_SERIAL_OPEN:
#	Line 794 \| Line 1068 \| static void NativeOp(int selector)
1068		SerialStatus,
1069		SerialClose
1070		};
1071	<	GPR(3) = serial_callbacks[selector - NATIVE_SERIAL_NOTHING](GPR(3), GPR(4));
1071	>	gpr(3) = serial_callbacks[selector - NATIVE_SERIAL_NOTHING](gpr(3), gpr(4));
1072		break;
1073		}
1074	<	case NATIVE_DISABLE_INTERRUPT:
1075	<	DisableInterrupt();
1074	>	case NATIVE_GET_RESOURCE:
1075	>	get_resource(ReadMacInt32(XLM_GET_RESOURCE));
1076	>	break;
1077	>	case NATIVE_GET_1_RESOURCE:
1078	>	get_resource(ReadMacInt32(XLM_GET_1_RESOURCE));
1079	>	break;
1080	>	case NATIVE_GET_IND_RESOURCE:
1081	>	get_resource(ReadMacInt32(XLM_GET_IND_RESOURCE));
1082	>	break;
1083	>	case NATIVE_GET_1_IND_RESOURCE:
1084	>	get_resource(ReadMacInt32(XLM_GET_1_IND_RESOURCE));
1085	>	break;
1086	>	case NATIVE_R_GET_RESOURCE:
1087	>	get_resource(ReadMacInt32(XLM_R_GET_RESOURCE));
1088	>	break;
1089	>	case NATIVE_MAKE_EXECUTABLE:
1090	>	MakeExecutable(0, gpr(4), gpr(5));
1091		break;
1092	<	case NATIVE_ENABLE_INTERRUPT:
1093	<	EnableInterrupt();
1092	>	case NATIVE_CHECK_LOAD_INVOC:
1093	>	check_load_invoc(gpr(3), gpr(4), gpr(5));
1094	>	break;
1095	>	case NATIVE_NAMED_CHECK_LOAD_INVOC:
1096	>	named_check_load_invoc(gpr(3), gpr(4), gpr(5));
1097		break;
1098		default:
1099		printf("FATAL: NATIVE_OP called with bogus selector %d\n", selector);
1100		QuitEmulator();
1101		break;
1102		}
811	–	}
812	–
813	–	/*
814	–	* Execute native subroutine (LR must contain return address)
815	–	*/
1103
1104	<	void ExecuteNative(int selector)
1105	<	{
1106	<	uint32 tvect[2];
820	<	tvect[0] = tswap32(POWERPC_NATIVE_OP_FUNC(selector));
821	<	tvect[1] = 0; // Fake TVECT
822	<	RoutineDescriptor desc = BUILD_PPC_ROUTINE_DESCRIPTOR(0, tvect);
823	<	M68kRegisters r;
824	<	Execute68k((uint32)&desc, &r);
1104	>	#if EMUL_TIME_STATS
1105	>	native_exec_time += (clock() - native_exec_start);
1106	>	#endif
1107		}
1108
1109		/*
#	Line 832 \| Line 1114 \| void ExecuteNative(int selector)
1114
1115		void Execute68k(uint32 pc, M68kRegisters *r)
1116		{
1117	<	current_cpu->execute_68k(pc, r);
1117	>	ppc_cpu->execute_68k(pc, r);
1118		}
1119
1120		/*
#	Line 842 \| Line 1124 \| void Execute68k(uint32 pc, M68kRegisters
1124
1125		void Execute68kTrap(uint16 trap, M68kRegisters *r)
1126		{
1127	<	uint16 proc[2] = {trap, M68K_RTS};
1128	<	Execute68k((uint32)proc, r);
1127	>	SheepVar proc_var(4);
1128	>	uint32 proc = proc_var.addr();
1129	>	WriteMacInt16(proc, trap);
1130	>	WriteMacInt16(proc + 2, M68K_RTS);
1131	>	Execute68k(proc, r);
1132		}
1133
1134		/*
#	Line 852 \| Line 1137 \| void Execute68kTrap(uint16 trap, M68kReg
1137
1138		uint32 call_macos(uint32 tvect)
1139		{
1140	<	return current_cpu->execute_macos_code(tvect, 0, NULL);
1140	>	return ppc_cpu->execute_macos_code(tvect, 0, NULL);
1141		}
1142
1143		uint32 call_macos1(uint32 tvect, uint32 arg1)
1144		{
1145		const uint32 args[] = { arg1 };
1146	<	return current_cpu->execute_macos_code(tvect, sizeof(args)/sizeof(args[0]), args);
1146	>	return ppc_cpu->execute_macos_code(tvect, sizeof(args)/sizeof(args[0]), args);
1147		}
1148
1149		uint32 call_macos2(uint32 tvect, uint32 arg1, uint32 arg2)
1150		{
1151		const uint32 args[] = { arg1, arg2 };
1152	<	return current_cpu->execute_macos_code(tvect, sizeof(args)/sizeof(args[0]), args);
1152	>	return ppc_cpu->execute_macos_code(tvect, sizeof(args)/sizeof(args[0]), args);
1153		}
1154
1155		uint32 call_macos3(uint32 tvect, uint32 arg1, uint32 arg2, uint32 arg3)
1156		{
1157		const uint32 args[] = { arg1, arg2, arg3 };
1158	<	return current_cpu->execute_macos_code(tvect, sizeof(args)/sizeof(args[0]), args);
1158	>	return ppc_cpu->execute_macos_code(tvect, sizeof(args)/sizeof(args[0]), args);
1159		}
1160
1161		uint32 call_macos4(uint32 tvect, uint32 arg1, uint32 arg2, uint32 arg3, uint32 arg4)
1162		{
1163		const uint32 args[] = { arg1, arg2, arg3, arg4 };
1164	<	return current_cpu->execute_macos_code(tvect, sizeof(args)/sizeof(args[0]), args);
1164	>	return ppc_cpu->execute_macos_code(tvect, sizeof(args)/sizeof(args[0]), args);
1165		}
1166
1167		uint32 call_macos5(uint32 tvect, uint32 arg1, uint32 arg2, uint32 arg3, uint32 arg4, uint32 arg5)
1168		{
1169		const uint32 args[] = { arg1, arg2, arg3, arg4, arg5 };
1170	<	return current_cpu->execute_macos_code(tvect, sizeof(args)/sizeof(args[0]), args);
1170	>	return ppc_cpu->execute_macos_code(tvect, sizeof(args)/sizeof(args[0]), args);
1171		}
1172
1173		uint32 call_macos6(uint32 tvect, uint32 arg1, uint32 arg2, uint32 arg3, uint32 arg4, uint32 arg5, uint32 arg6)
1174		{
1175		const uint32 args[] = { arg1, arg2, arg3, arg4, arg5, arg6 };
1176	<	return current_cpu->execute_macos_code(tvect, sizeof(args)/sizeof(args[0]), args);
1176	>	return ppc_cpu->execute_macos_code(tvect, sizeof(args)/sizeof(args[0]), args);
1177		}
1178
1179		uint32 call_macos7(uint32 tvect, uint32 arg1, uint32 arg2, uint32 arg3, uint32 arg4, uint32 arg5, uint32 arg6, uint32 arg7)
1180		{
1181		const uint32 args[] = { arg1, arg2, arg3, arg4, arg5, arg6, arg7 };
1182	<	return current_cpu->execute_macos_code(tvect, sizeof(args)/sizeof(args[0]), args);
898	<	}
899	<
900	<	/*
901	<	* Atomic operations
902	<	*/
903	<
904	<	int atomic_add(int *var, int v)
905	<	{
906	<	int ret = *var;
907	<	*var += v;
908	<	return ret;
909	<	}
910	<
911	<	int atomic_and(int *var, int v)
912	<	{
913	<	int ret = *var;
914	<	*var &= v;
915	<	return ret;
916	<	}
917	<
918	<	int atomic_or(int *var, int v)
919	<	{
920	<	int ret = *var;
921	<	*var \|= v;
922	<	return ret;
923	<	}
924	<
925	<	/*
926	<	* Resource Manager thunks
927	<	*/
928	<
929	<	void get_resource(void)
930	<	{
931	<	current_cpu->get_resource(ReadMacInt32(XLM_GET_RESOURCE));
932	<	}
933	<
934	<	void get_1_resource(void)
935	<	{
936	<	current_cpu->get_resource(ReadMacInt32(XLM_GET_1_RESOURCE));
937	<	}
938	<
939	<	void get_ind_resource(void)
940	<	{
941	<	current_cpu->get_resource(ReadMacInt32(XLM_GET_IND_RESOURCE));
942	<	}
943	<
944	<	void get_1_ind_resource(void)
945	<	{
946	<	current_cpu->get_resource(ReadMacInt32(XLM_GET_1_IND_RESOURCE));
947	<	}
948	<
949	<	void r_get_resource(void)
950	<	{
951	<	current_cpu->get_resource(ReadMacInt32(XLM_R_GET_RESOURCE));
1182	>	return ppc_cpu->execute_macos_code(tvect, sizeof(args)/sizeof(args[0]), args);
1183		}

Diff Legend

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+Removed lines
-+
+Added lines
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+Changed lines
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+Changed lines

Comparing SheepShaver/src/kpx_cpu/sheepshaver_glue.cpp (file contents): Revision 1.3 by gbeauche, 2003-09-29T07:05:15Z vs. Revision 1.68 by gbeauche, 2006-05-03T21:45:14Z

Diff Legend

Comparing SheepShaver/src/kpx_cpu/sheepshaver_glue.cpp (file contents):
Revision 1.3 by gbeauche, 2003-09-29T07:05:15Z vs.
Revision 1.68 by gbeauche, 2006-05-03T21:45:14Z