drc: handle regs-not-in-psxRegs case better

[pcsx_rearmed.git] / libpcsxcore / new_dynarec / new_dynarec.c

diff --git a/libpcsxcore/new_dynarec/new_dynarec.c b/libpcsxcore/new_dynarec/new_dynarec.c
index 2b57e59..17f7af9 100644 (file)
--- a/libpcsxcore/new_dynarec/new_dynarec.c
+++ b/libpcsxcore/new_dynarec/new_dynarec.c
@@ -242,6 +242,7 @@ static struct decoded_insn
 } dops[MAXBLOCK];
 
   static u_char *out;
+  static char invalid_code[0x100000];
   static struct ht_entry hash_table[65536];
   static struct block_info *blocks[PAGE_COUNT];
   static struct jump_info *jumps[PAGE_COUNT];
@@ -592,8 +593,6 @@ static void do_clear_cache(void)
 
 #define NO_CYCLE_PENALTY_THR 12
 
-int cycle_multiplier = CYCLE_MULT_DEFAULT; // 100 for 1.0
-int cycle_multiplier_override;
 int cycle_multiplier_old;
 static int cycle_multiplier_active;
 
@@ -785,10 +784,10 @@ static void noinline *get_addr(u_int vaddr, int can_compile)
     return ndrc_get_addr_ht(vaddr);
 
   // generate an address error
-  Status|=2;
-  Cause=(vaddr<<31)|(4<<2);
-  EPC=(vaddr&1)?vaddr-5:vaddr;
-  BadVAddr=(vaddr&~1);
+  psxRegs.CP0.n.Status |= 2;
+  psxRegs.CP0.n.Cause = (vaddr<<31) | (4<<2);
+  psxRegs.CP0.n.EPC = (vaddr&1) ? vaddr-5 : vaddr;
+  psxRegs.CP0.n.BadVAddr = vaddr & ~1;
   return ndrc_get_addr_ht(0x80000080);
 }
 
@@ -3502,7 +3501,7 @@ static void cop0_assemble(int i, const struct regstat *i_regs, int ccadj_)
       emit_loadreg(CCREG,HOST_CCREG); // TODO: do proper reg alloc
       emit_add(HOST_CCREG,HOST_TEMPREG,HOST_CCREG);
       emit_addimm(HOST_CCREG,ccadj_,HOST_CCREG);
-      emit_writeword(HOST_CCREG,&Count);
+      emit_writeword(HOST_CCREG,&psxRegs.cycle);
     }
     // What a mess.  The status register (12) can enable interrupts,
     // so needs a special case to handle a pending interrupt.
@@ -3534,7 +3533,7 @@ static void cop0_assemble(int i, const struct regstat *i_regs, int ccadj_)
     emit_movimm(copr,0);
     emit_far_call(pcsx_mtc0);
     if(copr==9||copr==11||copr==12||copr==13) {
-      emit_readword(&Count,HOST_CCREG);
+      emit_readword(&psxRegs.cycle,HOST_CCREG);
       emit_readword(&next_interupt,HOST_TEMPREG);
       emit_addimm(HOST_CCREG,-ccadj_,HOST_CCREG);
       emit_sub(HOST_CCREG,HOST_TEMPREG,HOST_CCREG);
@@ -3560,11 +3559,11 @@ static void cop0_assemble(int i, const struct regstat *i_regs, int ccadj_)
     assert(dops[i].opcode2==0x10);
     //if((source[i]&0x3f)==0x10) // RFE
     {
-      emit_readword(&Status,0);
+      emit_readword(&psxRegs.CP0.n.Status,0);
       emit_andimm(0,0x3c,1);
       emit_andimm(0,~0xf,0);
       emit_orrshr_imm(1,2,0);
-      emit_writeword(0,&Status);
+      emit_writeword(0,&psxRegs.CP0.n.Status);
     }
   }
 }
@@ -3607,7 +3606,7 @@ static void do_cop1stub(int n)
   //else {printf("fp exception in delay slot\n");}
   wb_dirtys(i_regs->regmap_entry,i_regs->wasdirty);
   if(regs[i].regmap_entry[HOST_CCREG]!=CCREG) emit_loadreg(CCREG,HOST_CCREG);
-  emit_movimm(start+(i-ds)*4,EAX); // Get PC
+  emit_movimm(start+(i-ds)*4,0); // Get PC
   emit_addimm(HOST_CCREG,ccadj[i],HOST_CCREG); // CHECK: is this right?  There should probably be an extra cycle...
   emit_far_jump(ds?fp_exception_ds:fp_exception);
 }
@@ -5073,8 +5072,8 @@ static void do_ccstub(int n)
   if(stubs[n].c!=-1)
   {
     // Save PC as return address
-    emit_movimm(stubs[n].c,EAX);
-    emit_writeword(EAX,&pcaddr);
+    emit_movimm(stubs[n].c,0);
+    emit_writeword(0,&pcaddr);
   }
   else
   {
@@ -6233,7 +6232,7 @@ void new_dynarec_clear_full(void)
   stat_clear(stat_blocks);
   stat_clear(stat_links);
 
-  cycle_multiplier_old = cycle_multiplier;
+  cycle_multiplier_old = Config.cycle_multiplier;
   new_dynarec_hacks_old = new_dynarec_hacks;
 }
 
@@ -6303,7 +6302,6 @@ void new_dynarec_init(void)
   #endif
 #endif
   out = ndrc->translation_cache;
-  cycle_multiplier=200;
   new_dynarec_clear_full();
 #ifdef HOST_IMM8
   // Copy this into local area so we don't have to put it in every literal pool
@@ -6360,7 +6358,7 @@ static u_int *get_source_start(u_int addr, u_int *limit)
     (0xbfc00000 <= addr && addr < 0xbfc80000)))
   {
     // BIOS. The multiplier should be much higher as it's uncached 8bit mem,
-    // but timings in PCSX are too tied to the interpreter's BIAS
+    // but timings in PCSX are too tied to the interpreter's 2-per-insn assumption
     if (!HACK_ENABLED(NDHACK_OVERRIDE_CYCLE_M))
       cycle_multiplier_active = 200;
 
@@ -9031,8 +9029,8 @@ static int new_recompile_block(u_int addr)
     return 0;
   }
 
-  cycle_multiplier_active = cycle_multiplier_override && cycle_multiplier == CYCLE_MULT_DEFAULT
-    ? cycle_multiplier_override : cycle_multiplier;
+  cycle_multiplier_active = Config.cycle_multiplier_override && Config.cycle_multiplier == CYCLE_MULT_DEFAULT
+    ? Config.cycle_multiplier_override : Config.cycle_multiplier;
 
   source = get_source_start(start, &pagelimit);
   if (source == NULL) {