1 |
|
/* |
2 |
|
* sheepshaver_glue.cpp - Glue Kheperix CPU to SheepShaver CPU engine interface |
3 |
|
* |
4 |
< |
* SheepShaver (C) 1997-2004 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 |
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> |
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 |
|
|
93 |
– |
// Enable interrupt routine safety checks? |
94 |
– |
#define SAFE_INTERRUPT_PPC 1 |
95 |
– |
|
97 |
|
// Enable Execute68k() safety checks? |
98 |
|
#define SAFE_EXEC_68K 1 |
99 |
|
|
106 |
|
// Interrupts in native mode? |
107 |
|
#define INTERRUPTS_IN_NATIVE_MODE 1 |
108 |
|
|
108 |
– |
// Enable native EMUL_OPs to be run without a mode switch |
109 |
– |
#define ENABLE_NATIVE_EMUL_OP 1 |
110 |
– |
|
109 |
|
// Pointer to Kernel Data |
110 |
< |
static KernelData * const kernel_data = (KernelData *)KERNEL_DATA_BASE; |
110 |
> |
static KernelData * kernel_data; |
111 |
|
|
112 |
|
// SIGSEGV handler |
113 |
|
sigsegv_return_t sigsegv_handler(sigsegv_address_t, sigsegv_address_t); |
140 |
|
void init_decoder(); |
141 |
|
void execute_sheep(uint32 opcode); |
142 |
|
|
145 |
– |
// Filter out EMUL_OP routines that only call native code |
146 |
– |
bool filter_execute_emul_op(uint32 emul_op); |
147 |
– |
|
148 |
– |
// "Native" EMUL_OP routines |
149 |
– |
void execute_emul_op_microseconds(); |
150 |
– |
void execute_emul_op_idle_time_1(); |
151 |
– |
void execute_emul_op_idle_time_2(); |
152 |
– |
|
153 |
– |
// CPU context to preserve on interrupt |
154 |
– |
class interrupt_context { |
155 |
– |
uint32 gpr[32]; |
156 |
– |
uint32 pc; |
157 |
– |
uint32 lr; |
158 |
– |
uint32 ctr; |
159 |
– |
uint32 cr; |
160 |
– |
uint32 xer; |
161 |
– |
sheepshaver_cpu *cpu; |
162 |
– |
const char *where; |
163 |
– |
public: |
164 |
– |
interrupt_context(sheepshaver_cpu *_cpu, const char *_where); |
165 |
– |
~interrupt_context(); |
166 |
– |
}; |
167 |
– |
|
143 |
|
public: |
144 |
|
|
145 |
|
// Constructor |
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 |
< |
|
172 |
> |
#endif |
173 |
|
// Resource manager thunk |
174 |
|
void get_resource(uint32 old_get_resource); |
175 |
|
|
176 |
|
// Handle MacOS interrupt |
177 |
|
void interrupt(uint32 entry); |
202 |
– |
void handle_interrupt(); |
178 |
|
|
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 |
|
|
208 |
– |
// Memory allocator returning areas aligned on 16-byte boundaries |
209 |
– |
void *operator new(size_t size) |
210 |
– |
{ |
211 |
– |
void *p; |
212 |
– |
|
213 |
– |
#if defined(HAVE_POSIX_MEMALIGN) |
214 |
– |
if (posix_memalign(&p, 16, size) != 0) |
215 |
– |
throw std::bad_alloc(); |
216 |
– |
#elif defined(HAVE_MEMALIGN) |
217 |
– |
p = memalign(16, size); |
218 |
– |
#elif defined(HAVE_VALLOC) |
219 |
– |
p = valloc(size); // page-aligned! |
220 |
– |
#else |
221 |
– |
/* XXX: handle padding ourselves */ |
222 |
– |
p = malloc(size); |
223 |
– |
#endif |
224 |
– |
|
225 |
– |
return p; |
226 |
– |
} |
227 |
– |
|
228 |
– |
void operator delete(void *p) |
229 |
– |
{ |
230 |
– |
#if defined(HAVE_MEMALIGN) || defined(HAVE_VALLOC) |
231 |
– |
#if defined(__GLIBC__) |
232 |
– |
// this is known to work only with GNU libc |
233 |
– |
free(p); |
234 |
– |
#endif |
235 |
– |
#else |
236 |
– |
free(p); |
237 |
– |
#endif |
238 |
– |
} |
239 |
– |
|
183 |
|
sheepshaver_cpu::sheepshaver_cpu() |
184 |
|
: powerpc_cpu(enable_jit_p()) |
185 |
|
{ |
217 |
|
typedef bit_field< 20, 25 > NATIVE_OP_field; |
218 |
|
typedef bit_field< 26, 31 > EMUL_OP_field; |
219 |
|
|
277 |
– |
// "Native" EMUL_OP routines |
278 |
– |
#define GPR_A(REG) gpr(16 + (REG)) |
279 |
– |
#define GPR_D(REG) gpr( 8 + (REG)) |
280 |
– |
|
281 |
– |
void sheepshaver_cpu::execute_emul_op_microseconds() |
282 |
– |
{ |
283 |
– |
Microseconds(GPR_A(0), GPR_D(0)); |
284 |
– |
} |
285 |
– |
|
286 |
– |
void sheepshaver_cpu::execute_emul_op_idle_time_1() |
287 |
– |
{ |
288 |
– |
// Sleep if no events pending |
289 |
– |
if (ReadMacInt32(0x14c) == 0) |
290 |
– |
Delay_usec(16667); |
291 |
– |
GPR_A(0) = ReadMacInt32(0x2b6); |
292 |
– |
} |
293 |
– |
|
294 |
– |
void sheepshaver_cpu::execute_emul_op_idle_time_2() |
295 |
– |
{ |
296 |
– |
// Sleep if no events pending |
297 |
– |
if (ReadMacInt32(0x14c) == 0) |
298 |
– |
Delay_usec(16667); |
299 |
– |
GPR_D(0) = (uint32)-2; |
300 |
– |
} |
301 |
– |
|
302 |
– |
// Filter out EMUL_OP routines that only call native code |
303 |
– |
bool sheepshaver_cpu::filter_execute_emul_op(uint32 emul_op) |
304 |
– |
{ |
305 |
– |
switch (emul_op) { |
306 |
– |
case OP_MICROSECONDS: |
307 |
– |
execute_emul_op_microseconds(); |
308 |
– |
return true; |
309 |
– |
case OP_IDLE_TIME: |
310 |
– |
execute_emul_op_idle_time_1(); |
311 |
– |
return true; |
312 |
– |
case OP_IDLE_TIME_2: |
313 |
– |
execute_emul_op_idle_time_2(); |
314 |
– |
return true; |
315 |
– |
} |
316 |
– |
return false; |
317 |
– |
} |
318 |
– |
|
220 |
|
// Execute EMUL_OP routine |
221 |
|
void sheepshaver_cpu::execute_emul_op(uint32 emul_op) |
222 |
|
{ |
322 |
– |
#if ENABLE_NATIVE_EMUL_OP |
323 |
– |
// First, filter out EMUL_OPs that can be executed without a mode switch |
324 |
– |
if (filter_execute_emul_op(emul_op)) |
325 |
– |
return; |
326 |
– |
#endif |
327 |
– |
|
223 |
|
M68kRegisters r68; |
224 |
|
WriteMacInt32(XLM_68K_R25, gpr(25)); |
225 |
|
WriteMacInt32(XLM_RUN_MODE, MODE_EMUL_OP); |
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() & CR_field<2>::mask(); |
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); |
272 |
|
} |
273 |
|
|
274 |
|
// Compile one instruction |
275 |
+ |
#if PPC_ENABLE_JIT |
276 |
|
int sheepshaver_cpu::compile1(codegen_context_t & cg_context) |
277 |
|
{ |
382 |
– |
#if PPC_ENABLE_JIT |
278 |
|
const instr_info_t *ii = cg_context.instr_info; |
279 |
|
if (ii->mnemo != PPC_I(SHEEP)) |
280 |
|
return COMPILE_FAILURE; |
336 |
|
status = COMPILE_CODE_OK; |
337 |
|
break; |
338 |
|
} |
339 |
+ |
#endif |
340 |
|
case NATIVE_CHECK_LOAD_INVOC: |
341 |
|
dg.gen_load_T0_GPR(3); |
342 |
|
dg.gen_load_T1_GPR(4); |
345 |
|
dg.gen_invoke_T0_T1_T2((void (*)(uint32, uint32, uint32))check_load_invoc); |
346 |
|
status = COMPILE_CODE_OK; |
347 |
|
break; |
348 |
< |
#endif |
349 |
< |
case NATIVE_BITBLT: |
348 |
> |
case NATIVE_NAMED_CHECK_LOAD_INVOC: |
349 |
> |
dg.gen_load_T0_GPR(3); |
350 |
> |
dg.gen_load_T1_GPR(4); |
351 |
> |
dg.gen_load_T2_GPR(5); |
352 |
> |
dg.gen_invoke_T0_T1_T2((void (*)(uint32, uint32, uint32))named_check_load_invoc); |
353 |
> |
status = COMPILE_CODE_OK; |
354 |
> |
break; |
355 |
> |
case NATIVE_NQD_SYNC_HOOK: |
356 |
> |
dg.gen_load_T0_GPR(3); |
357 |
> |
dg.gen_invoke_T0_ret_T0((uint32 (*)(uint32))NQD_sync_hook); |
358 |
> |
dg.gen_store_T0_GPR(3); |
359 |
> |
status = COMPILE_CODE_OK; |
360 |
> |
break; |
361 |
> |
case NATIVE_NQD_BITBLT_HOOK: |
362 |
> |
dg.gen_load_T0_GPR(3); |
363 |
> |
dg.gen_invoke_T0_ret_T0((uint32 (*)(uint32))NQD_bitblt_hook); |
364 |
> |
dg.gen_store_T0_GPR(3); |
365 |
> |
status = COMPILE_CODE_OK; |
366 |
> |
break; |
367 |
> |
case NATIVE_NQD_FILLRECT_HOOK: |
368 |
> |
dg.gen_load_T0_GPR(3); |
369 |
> |
dg.gen_invoke_T0_ret_T0((uint32 (*)(uint32))NQD_fillrect_hook); |
370 |
> |
dg.gen_store_T0_GPR(3); |
371 |
> |
status = COMPILE_CODE_OK; |
372 |
> |
break; |
373 |
> |
case NATIVE_NQD_UNKNOWN_HOOK: |
374 |
> |
dg.gen_load_T0_GPR(3); |
375 |
> |
dg.gen_invoke_T0_ret_T0((uint32 (*)(uint32))NQD_unknown_hook); |
376 |
> |
dg.gen_store_T0_GPR(3); |
377 |
> |
status = COMPILE_CODE_OK; |
378 |
> |
break; |
379 |
> |
case NATIVE_NQD_BITBLT: |
380 |
|
dg.gen_load_T0_GPR(3); |
381 |
|
dg.gen_invoke_T0((void (*)(uint32))NQD_bitblt); |
382 |
|
status = COMPILE_CODE_OK; |
383 |
|
break; |
384 |
< |
case NATIVE_INVRECT: |
384 |
> |
case NATIVE_NQD_INVRECT: |
385 |
|
dg.gen_load_T0_GPR(3); |
386 |
|
dg.gen_invoke_T0((void (*)(uint32))NQD_invrect); |
387 |
|
status = COMPILE_CODE_OK; |
388 |
|
break; |
389 |
< |
case NATIVE_FILLRECT: |
389 |
> |
case NATIVE_NQD_FILLRECT: |
390 |
|
dg.gen_load_T0_GPR(3); |
391 |
|
dg.gen_invoke_T0((void (*)(uint32))NQD_fillrect); |
392 |
|
status = COMPILE_CODE_OK; |
397 |
|
if (!FN_field::test(opcode)) |
398 |
|
cg_context.done_compile = false; |
399 |
|
else { |
400 |
< |
dg.gen_load_A0_LR(); |
401 |
< |
dg.gen_set_PC_A0(); |
400 |
> |
dg.gen_load_T0_LR_aligned(); |
401 |
> |
dg.gen_set_PC_T0(); |
402 |
|
cg_context.done_compile = true; |
403 |
|
} |
404 |
|
break; |
408 |
|
if (!FN_field::test(opcode)) |
409 |
|
dg.gen_set_PC_im(cg_context.pc + 4); |
410 |
|
else { |
411 |
< |
dg.gen_load_A0_LR(); |
412 |
< |
dg.gen_set_PC_A0(); |
411 |
> |
dg.gen_load_T0_LR_aligned(); |
412 |
> |
dg.gen_set_PC_T0(); |
413 |
|
} |
414 |
|
dg.gen_mov_32_T0_im(selector); |
415 |
|
dg.gen_jmp(native_op_trampoline); |
432 |
|
|
433 |
|
default: { // EMUL_OP |
434 |
|
uint32 emul_op = EMUL_OP_field::extract(opcode) - 3; |
509 |
– |
#if ENABLE_NATIVE_EMUL_OP |
510 |
– |
typedef void (*emul_op_func_t)(dyngen_cpu_base); |
511 |
– |
emul_op_func_t emul_op_func = 0; |
512 |
– |
switch (emul_op) { |
513 |
– |
case OP_MICROSECONDS: |
514 |
– |
emul_op_func = (emul_op_func_t)nv_mem_fun(&sheepshaver_cpu::execute_emul_op_microseconds).ptr(); |
515 |
– |
break; |
516 |
– |
case OP_IDLE_TIME: |
517 |
– |
emul_op_func = (emul_op_func_t)nv_mem_fun(&sheepshaver_cpu::execute_emul_op_idle_time_1).ptr(); |
518 |
– |
break; |
519 |
– |
case OP_IDLE_TIME_2: |
520 |
– |
emul_op_func = (emul_op_func_t)nv_mem_fun(&sheepshaver_cpu::execute_emul_op_idle_time_2).ptr(); |
521 |
– |
break; |
522 |
– |
} |
523 |
– |
if (emul_op_func) { |
524 |
– |
dg.gen_invoke_CPU(emul_op_func); |
525 |
– |
cg_context.done_compile = false; |
526 |
– |
status = COMPILE_CODE_OK; |
527 |
– |
break; |
528 |
– |
} |
529 |
– |
#endif |
435 |
|
#if PPC_REENTRANT_JIT |
436 |
|
// Try to execute EmulOp trampoline |
437 |
|
dg.gen_set_PC_im(cg_context.pc + 4); |
451 |
|
} |
452 |
|
} |
453 |
|
return status; |
549 |
– |
#endif |
550 |
– |
return COMPILE_FAILURE; |
454 |
|
} |
552 |
– |
|
553 |
– |
// CPU context to preserve on interrupt |
554 |
– |
sheepshaver_cpu::interrupt_context::interrupt_context(sheepshaver_cpu *_cpu, const char *_where) |
555 |
– |
{ |
556 |
– |
#if SAFE_INTERRUPT_PPC >= 2 |
557 |
– |
cpu = _cpu; |
558 |
– |
where = _where; |
559 |
– |
|
560 |
– |
// Save interrupt context |
561 |
– |
memcpy(&gpr[0], &cpu->gpr(0), sizeof(gpr)); |
562 |
– |
pc = cpu->pc(); |
563 |
– |
lr = cpu->lr(); |
564 |
– |
ctr = cpu->ctr(); |
565 |
– |
cr = cpu->get_cr(); |
566 |
– |
xer = cpu->get_xer(); |
567 |
– |
#endif |
568 |
– |
} |
569 |
– |
|
570 |
– |
sheepshaver_cpu::interrupt_context::~interrupt_context() |
571 |
– |
{ |
572 |
– |
#if SAFE_INTERRUPT_PPC >= 2 |
573 |
– |
// Check whether CPU context was preserved by interrupt |
574 |
– |
if (memcmp(&gpr[0], &cpu->gpr(0), sizeof(gpr)) != 0) { |
575 |
– |
printf("FATAL: %s: interrupt clobbers registers\n", where); |
576 |
– |
for (int i = 0; i < 32; i++) |
577 |
– |
if (gpr[i] != cpu->gpr(i)) |
578 |
– |
printf(" r%d: %08x -> %08x\n", i, gpr[i], cpu->gpr(i)); |
579 |
– |
} |
580 |
– |
if (pc != cpu->pc()) |
581 |
– |
printf("FATAL: %s: interrupt clobbers PC\n", where); |
582 |
– |
if (lr != cpu->lr()) |
583 |
– |
printf("FATAL: %s: interrupt clobbers LR\n", where); |
584 |
– |
if (ctr != cpu->ctr()) |
585 |
– |
printf("FATAL: %s: interrupt clobbers CTR\n", where); |
586 |
– |
if (cr != cpu->get_cr()) |
587 |
– |
printf("FATAL: %s: interrupt clobbers CR\n", where); |
588 |
– |
if (xer != cpu->get_xer()) |
589 |
– |
printf("FATAL: %s: interrupt clobbers XER\n", where); |
455 |
|
#endif |
591 |
– |
} |
456 |
|
|
457 |
|
// Handle MacOS interrupt |
458 |
|
void sheepshaver_cpu::interrupt(uint32 entry) |
462 |
|
const clock_t interrupt_start = clock(); |
463 |
|
#endif |
464 |
|
|
601 |
– |
#if SAFE_INTERRUPT_PPC |
602 |
– |
static int depth = 0; |
603 |
– |
if (depth != 0) |
604 |
– |
printf("FATAL: sheepshaver_cpu::interrupt() called more than once: %d\n", depth); |
605 |
– |
depth++; |
606 |
– |
#endif |
607 |
– |
|
465 |
|
// Save program counters and branch registers |
466 |
|
uint32 saved_pc = pc(); |
467 |
|
uint32 saved_lr = lr(); |
515 |
|
#if EMUL_TIME_STATS |
516 |
|
interrupt_time += (clock() - interrupt_start); |
517 |
|
#endif |
661 |
– |
|
662 |
– |
#if SAFE_INTERRUPT_PPC |
663 |
– |
depth--; |
664 |
– |
#endif |
518 |
|
} |
519 |
|
|
520 |
|
// Execute 68k routine |
745 |
|
const uintptr addr = (uintptr)fault_address; |
746 |
|
#if HAVE_SIGSEGV_SKIP_INSTRUCTION |
747 |
|
// Ignore writes to ROM |
748 |
< |
if ((addr - ROM_BASE) < ROM_SIZE) |
748 |
> |
if ((addr - (uintptr)ROMBaseHost) < ROM_SIZE) |
749 |
|
return SIGSEGV_RETURN_SKIP_INSTRUCTION; |
750 |
|
|
751 |
|
// Get program counter of target CPU |
792 |
|
#error "FIXME: You don't have the capability to skip instruction within signal handlers" |
793 |
|
#endif |
794 |
|
|
795 |
< |
printf("SIGSEGV\n"); |
796 |
< |
printf(" pc %p\n", fault_instruction); |
797 |
< |
printf(" ea %p\n", fault_address); |
795 |
> |
fprintf(stderr, "SIGSEGV\n"); |
796 |
> |
fprintf(stderr, " pc %p\n", fault_instruction); |
797 |
> |
fprintf(stderr, " ea %p\n", fault_address); |
798 |
|
dump_registers(); |
799 |
|
ppc_cpu->dump_log(); |
800 |
|
enter_mon(); |
805 |
|
|
806 |
|
void init_emul_ppc(void) |
807 |
|
{ |
808 |
+ |
// Get pointer to KernelData in host address space |
809 |
+ |
kernel_data = (KernelData *)Mac2HostAddr(KERNEL_DATA_BASE); |
810 |
+ |
|
811 |
|
// Initialize main CPU emulator |
812 |
|
ppc_cpu = new sheepshaver_cpu(); |
813 |
|
ppc_cpu->set_register(powerpc_registers::GPR(3), any_register((uint32)ROM_BASE + 0x30d000)); |
858 |
|
#endif |
859 |
|
|
860 |
|
delete ppc_cpu; |
861 |
+ |
ppc_cpu = NULL; |
862 |
|
} |
863 |
|
|
864 |
|
#if PPC_ENABLE_JIT && PPC_REENTRANT_JIT |
906 |
|
|
907 |
|
void TriggerInterrupt(void) |
908 |
|
{ |
909 |
+ |
idle_resume(); |
910 |
|
#if 0 |
911 |
|
WriteMacInt32(0x16a, ReadMacInt32(0x16a) + 1); |
912 |
|
#else |
916 |
|
#endif |
917 |
|
} |
918 |
|
|
919 |
< |
void sheepshaver_cpu::handle_interrupt(void) |
919 |
> |
void HandleInterrupt(powerpc_registers *r) |
920 |
|
{ |
921 |
|
#ifdef USE_SDL_VIDEO |
922 |
|
// We must fill in the events queue in the same thread that did call SDL_SetVideoMode() |
927 |
|
if (int32(ReadMacInt32(XLM_IRQ_NEST)) > 0) |
928 |
|
return; |
929 |
|
|
930 |
< |
// Current interrupt nest level |
1073 |
< |
static int interrupt_depth = 0; |
1074 |
< |
++interrupt_depth; |
930 |
> |
// Update interrupt count |
931 |
|
#if EMUL_TIME_STATS |
932 |
|
interrupt_count++; |
933 |
|
#endif |
934 |
|
|
1079 |
– |
// Disable MacOS stack sniffer |
1080 |
– |
WriteMacInt32(0x110, 0); |
1081 |
– |
|
935 |
|
// Interrupt action depends on current run mode |
936 |
|
switch (ReadMacInt32(XLM_RUN_MODE)) { |
937 |
|
case MODE_68K: |
938 |
|
// 68k emulator active, trigger 68k interrupt level 1 |
939 |
|
WriteMacInt16(tswap32(kernel_data->v[0x67c >> 2]), 1); |
940 |
< |
set_cr(get_cr() | tswap32(kernel_data->v[0x674 >> 2])); |
940 |
> |
r->cr.set(r->cr.get() | tswap32(kernel_data->v[0x674 >> 2])); |
941 |
|
break; |
942 |
|
|
943 |
|
#if INTERRUPTS_IN_NATIVE_MODE |
944 |
|
case MODE_NATIVE: |
945 |
|
// 68k emulator inactive, in nanokernel? |
946 |
< |
if (gpr(1) != KernelDataAddr && interrupt_depth == 1) { |
1094 |
< |
interrupt_context ctx(this, "PowerPC mode"); |
946 |
> |
if (r->gpr[1] != KernelDataAddr) { |
947 |
|
|
948 |
|
// Prepare for 68k interrupt level 1 |
949 |
|
WriteMacInt16(tswap32(kernel_data->v[0x67c >> 2]), 1); |
965 |
|
case MODE_EMUL_OP: |
966 |
|
// 68k emulator active, within EMUL_OP routine, execute 68k interrupt routine directly when interrupt level is 0 |
967 |
|
if ((ReadMacInt32(XLM_68K_R25) & 7) == 0) { |
1116 |
– |
interrupt_context ctx(this, "68k mode"); |
968 |
|
#if EMUL_TIME_STATS |
969 |
|
const clock_t interrupt_start = clock(); |
970 |
|
#endif |
973 |
|
M68kRegisters r; |
974 |
|
uint32 old_r25 = ReadMacInt32(XLM_68K_R25); // Save interrupt level |
975 |
|
WriteMacInt32(XLM_68K_R25, 0x21); // Execute with interrupt level 1 |
976 |
< |
static const uint8 proc[] = { |
976 |
> |
static const uint8 proc_template[] = { |
977 |
|
0x3f, 0x3c, 0x00, 0x00, // move.w #$0000,-(sp) (fake format word) |
978 |
|
0x48, 0x7a, 0x00, 0x0a, // pea @1(pc) (return address) |
979 |
|
0x40, 0xe7, // move sr,-(sp) (saved SR) |
981 |
|
0x4e, 0xd0, // jmp (a0) |
982 |
|
M68K_RTS >> 8, M68K_RTS & 0xff // @1 |
983 |
|
}; |
984 |
< |
Execute68k((uint32)proc, &r); |
984 |
> |
BUILD_SHEEPSHAVER_PROCEDURE(proc); |
985 |
> |
Execute68k(proc, &r); |
986 |
|
WriteMacInt32(XLM_68K_R25, old_r25); // Restore interrupt level |
987 |
|
#else |
988 |
|
// Only update cursor |
1001 |
|
break; |
1002 |
|
#endif |
1003 |
|
} |
1152 |
– |
|
1153 |
– |
// We are done with this interrupt |
1154 |
– |
--interrupt_depth; |
1004 |
|
} |
1005 |
|
|
1157 |
– |
static void get_resource(void); |
1158 |
– |
static void get_1_resource(void); |
1159 |
– |
static void get_ind_resource(void); |
1160 |
– |
static void get_1_ind_resource(void); |
1161 |
– |
static void r_get_resource(void); |
1162 |
– |
|
1006 |
|
// Execute NATIVE_OP routine |
1007 |
|
void sheepshaver_cpu::execute_native_op(uint32 selector) |
1008 |
|
{ |
1022 |
|
VideoVBL(); |
1023 |
|
break; |
1024 |
|
case NATIVE_VIDEO_DO_DRIVER_IO: |
1025 |
< |
gpr(3) = (int32)(int16)VideoDoDriverIO((void *)gpr(3), (void *)gpr(4), |
1026 |
< |
(void *)gpr(5), gpr(6), gpr(7)); |
1025 |
> |
gpr(3) = (int32)(int16)VideoDoDriverIO(gpr(3), gpr(4), gpr(5), gpr(6), gpr(7)); |
1026 |
> |
break; |
1027 |
> |
case NATIVE_ETHER_AO_GET_HWADDR: |
1028 |
> |
AO_get_ethernet_address(gpr(3)); |
1029 |
> |
break; |
1030 |
> |
case NATIVE_ETHER_AO_ADD_MULTI: |
1031 |
> |
AO_enable_multicast(gpr(3)); |
1032 |
> |
break; |
1033 |
> |
case NATIVE_ETHER_AO_DEL_MULTI: |
1034 |
> |
AO_disable_multicast(gpr(3)); |
1035 |
> |
break; |
1036 |
> |
case NATIVE_ETHER_AO_SEND_PACKET: |
1037 |
> |
AO_transmit_packet(gpr(3)); |
1038 |
|
break; |
1185 |
– |
#ifdef WORDS_BIGENDIAN |
1039 |
|
case NATIVE_ETHER_IRQ: |
1040 |
|
EtherIRQ(); |
1041 |
|
break; |
1057 |
|
case NATIVE_ETHER_RSRV: |
1058 |
|
gpr(3) = ether_rsrv((queue_t *)gpr(3)); |
1059 |
|
break; |
1060 |
< |
#else |
1208 |
< |
case NATIVE_ETHER_INIT: |
1209 |
< |
// FIXME: needs more complicated thunks |
1210 |
< |
gpr(3) = false; |
1211 |
< |
break; |
1212 |
< |
#endif |
1213 |
< |
case NATIVE_SYNC_HOOK: |
1060 |
> |
case NATIVE_NQD_SYNC_HOOK: |
1061 |
|
gpr(3) = NQD_sync_hook(gpr(3)); |
1062 |
|
break; |
1063 |
< |
case NATIVE_BITBLT_HOOK: |
1063 |
> |
case NATIVE_NQD_UNKNOWN_HOOK: |
1064 |
> |
gpr(3) = NQD_unknown_hook(gpr(3)); |
1065 |
> |
break; |
1066 |
> |
case NATIVE_NQD_BITBLT_HOOK: |
1067 |
|
gpr(3) = NQD_bitblt_hook(gpr(3)); |
1068 |
|
break; |
1069 |
< |
case NATIVE_BITBLT: |
1069 |
> |
case NATIVE_NQD_BITBLT: |
1070 |
|
NQD_bitblt(gpr(3)); |
1071 |
|
break; |
1072 |
< |
case NATIVE_FILLRECT_HOOK: |
1072 |
> |
case NATIVE_NQD_FILLRECT_HOOK: |
1073 |
|
gpr(3) = NQD_fillrect_hook(gpr(3)); |
1074 |
|
break; |
1075 |
< |
case NATIVE_INVRECT: |
1075 |
> |
case NATIVE_NQD_INVRECT: |
1076 |
|
NQD_invrect(gpr(3)); |
1077 |
|
break; |
1078 |
< |
case NATIVE_FILLRECT: |
1078 |
> |
case NATIVE_NQD_FILLRECT: |
1079 |
|
NQD_fillrect(gpr(3)); |
1080 |
|
break; |
1081 |
|
case NATIVE_SERIAL_NOTHING: |
1099 |
|
break; |
1100 |
|
} |
1101 |
|
case NATIVE_GET_RESOURCE: |
1102 |
+ |
get_resource(ReadMacInt32(XLM_GET_RESOURCE)); |
1103 |
+ |
break; |
1104 |
|
case NATIVE_GET_1_RESOURCE: |
1105 |
+ |
get_resource(ReadMacInt32(XLM_GET_1_RESOURCE)); |
1106 |
+ |
break; |
1107 |
|
case NATIVE_GET_IND_RESOURCE: |
1108 |
+ |
get_resource(ReadMacInt32(XLM_GET_IND_RESOURCE)); |
1109 |
+ |
break; |
1110 |
|
case NATIVE_GET_1_IND_RESOURCE: |
1111 |
< |
case NATIVE_R_GET_RESOURCE: { |
1112 |
< |
typedef void (*GetResourceCallback)(void); |
1113 |
< |
static const GetResourceCallback get_resource_callbacks[] = { |
1114 |
< |
::get_resource, |
1259 |
< |
::get_1_resource, |
1260 |
< |
::get_ind_resource, |
1261 |
< |
::get_1_ind_resource, |
1262 |
< |
::r_get_resource |
1263 |
< |
}; |
1264 |
< |
get_resource_callbacks[selector - NATIVE_GET_RESOURCE](); |
1111 |
> |
get_resource(ReadMacInt32(XLM_GET_1_IND_RESOURCE)); |
1112 |
> |
break; |
1113 |
> |
case NATIVE_R_GET_RESOURCE: |
1114 |
> |
get_resource(ReadMacInt32(XLM_R_GET_RESOURCE)); |
1115 |
|
break; |
1266 |
– |
} |
1116 |
|
case NATIVE_MAKE_EXECUTABLE: |
1117 |
< |
MakeExecutable(0, (void *)gpr(4), gpr(5)); |
1117 |
> |
MakeExecutable(0, gpr(4), gpr(5)); |
1118 |
|
break; |
1119 |
|
case NATIVE_CHECK_LOAD_INVOC: |
1120 |
|
check_load_invoc(gpr(3), gpr(4), gpr(5)); |
1121 |
|
break; |
1122 |
+ |
case NATIVE_NAMED_CHECK_LOAD_INVOC: |
1123 |
+ |
named_check_load_invoc(gpr(3), gpr(4), gpr(5)); |
1124 |
+ |
break; |
1125 |
|
default: |
1126 |
|
printf("FATAL: NATIVE_OP called with bogus selector %d\n", selector); |
1127 |
|
QuitEmulator(); |
1208 |
|
const uint32 args[] = { arg1, arg2, arg3, arg4, arg5, arg6, arg7 }; |
1209 |
|
return ppc_cpu->execute_macos_code(tvect, sizeof(args)/sizeof(args[0]), args); |
1210 |
|
} |
1359 |
– |
|
1360 |
– |
/* |
1361 |
– |
* Resource Manager thunks |
1362 |
– |
*/ |
1363 |
– |
|
1364 |
– |
void get_resource(void) |
1365 |
– |
{ |
1366 |
– |
ppc_cpu->get_resource(ReadMacInt32(XLM_GET_RESOURCE)); |
1367 |
– |
} |
1368 |
– |
|
1369 |
– |
void get_1_resource(void) |
1370 |
– |
{ |
1371 |
– |
ppc_cpu->get_resource(ReadMacInt32(XLM_GET_1_RESOURCE)); |
1372 |
– |
} |
1373 |
– |
|
1374 |
– |
void get_ind_resource(void) |
1375 |
– |
{ |
1376 |
– |
ppc_cpu->get_resource(ReadMacInt32(XLM_GET_IND_RESOURCE)); |
1377 |
– |
} |
1378 |
– |
|
1379 |
– |
void get_1_ind_resource(void) |
1380 |
– |
{ |
1381 |
– |
ppc_cpu->get_resource(ReadMacInt32(XLM_GET_1_IND_RESOURCE)); |
1382 |
– |
} |
1383 |
– |
|
1384 |
– |
void r_get_resource(void) |
1385 |
– |
{ |
1386 |
– |
ppc_cpu->get_resource(ReadMacInt32(XLM_R_GET_RESOURCE)); |
1387 |
– |
} |