227 |
memop_fast_access op_handler) |
memop_fast_access op_handler) |
228 |
{ |
{ |
229 |
m_uint64_t val = sign_extend(offset,16); |
m_uint64_t val = sign_extend(offset,16); |
230 |
u_char *test1,*test2,*test3,*p_exception,*p_exit; |
u_char *test1,*test2,*test3,*p_exit; |
231 |
|
|
232 |
test3 = NULL; |
test3 = NULL; |
233 |
|
|
310 |
x86_call_membase(b->jit_ptr,X86_EDI,MEMOP_OFFSET(opcode)); |
x86_call_membase(b->jit_ptr,X86_EDI,MEMOP_OFFSET(opcode)); |
311 |
x86_alu_reg_imm(b->jit_ptr,X86_ADD,X86_ESP,12); |
x86_alu_reg_imm(b->jit_ptr,X86_ADD,X86_ESP,12); |
312 |
|
|
|
/* Check for exception */ |
|
|
x86_test_reg_reg(b->jit_ptr,X86_EAX,X86_EAX); |
|
|
p_exception = b->jit_ptr; |
|
|
x86_branch8(b->jit_ptr, X86_CC_Z, 0, 1); |
|
|
mips64_jit_tcb_push_epilog(b); |
|
|
|
|
313 |
x86_patch(p_exit,b->jit_ptr); |
x86_patch(p_exit,b->jit_ptr); |
|
x86_patch(p_exception,b->jit_ptr); |
|
314 |
} |
} |
315 |
|
|
316 |
/* Fast memory operation (32-bit) */ |
/* Fast memory operation (32-bit) */ |
320 |
memop_fast_access op_handler) |
memop_fast_access op_handler) |
321 |
{ |
{ |
322 |
m_uint32_t val = sign_extend(offset,16); |
m_uint32_t val = sign_extend(offset,16); |
323 |
u_char *test1,*test2,*p_exception,*p_exit; |
u_char *test1,*test2,*p_exit; |
324 |
|
|
325 |
test2 = NULL; |
test2 = NULL; |
326 |
|
|
398 |
x86_call_membase(b->jit_ptr,X86_EDI,MEMOP_OFFSET(opcode)); |
x86_call_membase(b->jit_ptr,X86_EDI,MEMOP_OFFSET(opcode)); |
399 |
x86_alu_reg_imm(b->jit_ptr,X86_ADD,X86_ESP,12); |
x86_alu_reg_imm(b->jit_ptr,X86_ADD,X86_ESP,12); |
400 |
|
|
|
/* Check for exception */ |
|
|
x86_test_reg_reg(b->jit_ptr,X86_EAX,X86_EAX); |
|
|
p_exception = b->jit_ptr; |
|
|
x86_branch8(b->jit_ptr, X86_CC_Z, 0, 1); |
|
|
mips64_jit_tcb_push_epilog(b); |
|
|
|
|
401 |
x86_patch(p_exit,b->jit_ptr); |
x86_patch(p_exit,b->jit_ptr); |
|
x86_patch(p_exception,b->jit_ptr); |
|
402 |
} |
} |
403 |
|
|
404 |
/* Fast memory operation */ |
/* Fast memory operation */ |
425 |
int target,int keep_ll_bit) |
int target,int keep_ll_bit) |
426 |
{ |
{ |
427 |
m_uint64_t val = sign_extend(offset,16); |
m_uint64_t val = sign_extend(offset,16); |
|
u_char *test1; |
|
428 |
|
|
429 |
/* Save PC for exception handling */ |
/* Save PC for exception handling */ |
430 |
mips64_set_pc(b,b->start_pc+((b->mips_trans_pos-1)<<2)); |
mips64_set_pc(b,b->start_pc+((b->mips_trans_pos-1)<<2)); |
456 |
x86_push_reg(b->jit_ptr,X86_EBX); |
x86_push_reg(b->jit_ptr,X86_EBX); |
457 |
x86_call_membase(b->jit_ptr,X86_EDI,MEMOP_OFFSET(op)); |
x86_call_membase(b->jit_ptr,X86_EDI,MEMOP_OFFSET(op)); |
458 |
x86_alu_reg_imm(b->jit_ptr,X86_ADD,X86_ESP,12); |
x86_alu_reg_imm(b->jit_ptr,X86_ADD,X86_ESP,12); |
|
|
|
|
/* Exception ? */ |
|
|
x86_test_reg_reg(b->jit_ptr,X86_EAX,X86_EAX); |
|
|
test1 = b->jit_ptr; |
|
|
x86_branch8(b->jit_ptr, X86_CC_Z, 0, 1); |
|
|
mips64_jit_tcb_push_epilog(b); |
|
|
x86_patch(test1,b->jit_ptr); |
|
459 |
} |
} |
460 |
|
|
461 |
/* Coprocessor Register transfert operation */ |
/* Coprocessor Register transfert operation */ |
479 |
/* Virtual Breakpoint */ |
/* Virtual Breakpoint */ |
480 |
void mips64_emit_breakpoint(mips64_jit_tcb_t *b) |
void mips64_emit_breakpoint(mips64_jit_tcb_t *b) |
481 |
{ |
{ |
482 |
|
x86_alu_reg_imm(b->jit_ptr,X86_SUB,X86_ESP,12); |
483 |
x86_mov_reg_reg(b->jit_ptr,X86_EAX,X86_EDI,4); |
x86_mov_reg_reg(b->jit_ptr,X86_EAX,X86_EDI,4); |
484 |
mips64_emit_c_call(b,mips64_run_breakpoint); |
mips64_emit_c_call(b,mips64_run_breakpoint); |
485 |
|
x86_alu_reg_imm(b->jit_ptr,X86_ADD,X86_ESP,12); |
486 |
} |
} |
487 |
|
|
488 |
/* Unknown opcode handler */ |
/* Unknown opcode handler */ |
522 |
/* Emit unhandled instruction code */ |
/* Emit unhandled instruction code */ |
523 |
int mips64_emit_invalid_delay_slot(mips64_jit_tcb_t *b) |
int mips64_emit_invalid_delay_slot(mips64_jit_tcb_t *b) |
524 |
{ |
{ |
525 |
|
x86_alu_reg_imm(b->jit_ptr,X86_SUB,X86_ESP,12); |
526 |
x86_mov_reg_reg(b->jit_ptr,X86_EAX,X86_EDI,4); |
x86_mov_reg_reg(b->jit_ptr,X86_EAX,X86_EDI,4); |
527 |
mips64_emit_c_call(b,mips64_invalid_delay_slot); |
mips64_emit_c_call(b,mips64_invalid_delay_slot); |
528 |
|
x86_alu_reg_imm(b->jit_ptr,X86_ADD,X86_ESP,12); |
529 |
|
|
530 |
mips64_jit_tcb_push_epilog(b); |
mips64_jit_tcb_push_epilog(b); |
531 |
return(0); |
return(0); |
532 |
} |
} |
533 |
|
|
|
/* Located in external assembly module */ |
|
|
#ifdef FAST_ASM |
|
|
extern void mips64_inc_cp0_cnt_asm(void); |
|
|
#endif |
|
|
|
|
534 |
/* |
/* |
535 |
* Increment count register and trigger the timer IRQ if value in compare |
* Increment count register and trigger the timer IRQ if value in compare |
536 |
* register is the same. |
* register is the same. |
538 |
void mips64_inc_cp0_count_reg(mips64_jit_tcb_t *b) |
void mips64_inc_cp0_count_reg(mips64_jit_tcb_t *b) |
539 |
{ |
{ |
540 |
x86_inc_membase(b->jit_ptr,X86_EDI,OFFSET(cpu_mips_t,cp0_virt_cnt_reg)); |
x86_inc_membase(b->jit_ptr,X86_EDI,OFFSET(cpu_mips_t,cp0_virt_cnt_reg)); |
|
|
|
|
#if 0 /* TIMER_IRQ */ |
|
|
#ifdef FAST_ASM |
|
|
mips64_emit_basic_c_call(b,mips64_inc_cp0_cnt_asm); |
|
|
#else |
|
|
x86_mov_reg_reg(b->jit_ptr,X86_EAX,X86_EDI,4); |
|
|
mips64_emit_basic_c_call(b,mips64_exec_inc_cp0_cnt); |
|
|
#endif |
|
|
#endif |
|
541 |
} |
} |
542 |
|
|
543 |
/* Check if there are pending IRQ */ |
/* Check if there are pending IRQ */ |
566 |
/* Increment the number of executed instructions (performance debugging) */ |
/* Increment the number of executed instructions (performance debugging) */ |
567 |
void mips64_inc_perf_counter(mips64_jit_tcb_t *b) |
void mips64_inc_perf_counter(mips64_jit_tcb_t *b) |
568 |
{ |
{ |
569 |
x86_alu_membase_imm(b->jit_ptr,X86_ADD, |
x86_inc_membase(b->jit_ptr,X86_EDI,OFFSET(cpu_mips_t,perf_counter)); |
|
X86_EDI,OFFSET(cpu_mips_t,perf_counter),1); |
|
|
x86_alu_membase_imm(b->jit_ptr,X86_ADC, |
|
|
X86_EDI,OFFSET(cpu_mips_t,perf_counter)+4,0); |
|
570 |
} |
} |
571 |
|
|
572 |
/* ADD */ |
/* ADD */ |
1387 |
{ |
{ |
1388 |
u_int code = bits(insn,6,25); |
u_int code = bits(insn,6,25); |
1389 |
|
|
1390 |
|
x86_alu_reg_imm(b->jit_ptr,X86_SUB,X86_ESP,12); |
1391 |
x86_mov_reg_imm(b->jit_ptr,X86_EDX,code); |
x86_mov_reg_imm(b->jit_ptr,X86_EDX,code); |
1392 |
x86_mov_reg_reg(b->jit_ptr,X86_EAX,X86_EDI,4); |
x86_mov_reg_reg(b->jit_ptr,X86_EAX,X86_EDI,4); |
1393 |
mips64_emit_basic_c_call(b,mips64_exec_break); |
mips64_emit_basic_c_call(b,mips64_exec_break); |
1394 |
|
x86_alu_reg_imm(b->jit_ptr,X86_ADD,X86_ESP,12); |
1395 |
|
|
1396 |
mips64_jit_tcb_push_epilog(b); |
mips64_jit_tcb_push_epilog(b); |
1397 |
return(0); |
return(0); |
1398 |
} |
} |
2792 |
x86_branch8(b->jit_ptr, X86_CC_NE, 0, 1); |
x86_branch8(b->jit_ptr, X86_CC_NE, 0, 1); |
2793 |
|
|
2794 |
/* Generate trap exception */ |
/* Generate trap exception */ |
2795 |
|
x86_alu_reg_imm(b->jit_ptr,X86_SUB,X86_ESP,12); |
2796 |
x86_mov_reg_reg(b->jit_ptr,X86_EAX,X86_EDI,4); |
x86_mov_reg_reg(b->jit_ptr,X86_EAX,X86_EDI,4); |
2797 |
mips64_emit_c_call(b,mips64_trigger_trap_exception); |
mips64_emit_c_call(b,mips64_trigger_trap_exception); |
2798 |
|
x86_alu_reg_imm(b->jit_ptr,X86_ADD,X86_ESP,12); |
2799 |
|
|
2800 |
mips64_jit_tcb_push_epilog(b); |
mips64_jit_tcb_push_epilog(b); |
2801 |
|
|
2802 |
/* end */ |
/* end */ |
2829 |
x86_branch8(b->jit_ptr, X86_CC_NE, 0, 1); |
x86_branch8(b->jit_ptr, X86_CC_NE, 0, 1); |
2830 |
|
|
2831 |
/* Generate trap exception */ |
/* Generate trap exception */ |
2832 |
|
x86_alu_reg_imm(b->jit_ptr,X86_SUB,X86_ESP,12); |
2833 |
x86_mov_reg_reg(b->jit_ptr,X86_EAX,X86_EDI,4); |
x86_mov_reg_reg(b->jit_ptr,X86_EAX,X86_EDI,4); |
2834 |
mips64_emit_c_call(b,mips64_trigger_trap_exception); |
mips64_emit_c_call(b,mips64_trigger_trap_exception); |
2835 |
|
x86_alu_reg_imm(b->jit_ptr,X86_ADD,X86_ESP,12); |
2836 |
|
|
2837 |
mips64_jit_tcb_push_epilog(b); |
mips64_jit_tcb_push_epilog(b); |
2838 |
|
|
2839 |
/* end */ |
/* end */ |