drc: allow move-to-r0 condition

[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 88c059a..f8a67ff 100644 (file)
--- a/libpcsxcore/new_dynarec/new_dynarec.c
+++ b/libpcsxcore/new_dynarec/new_dynarec.c
@@ -408,7 +408,7 @@ void *get_addr_32(u_int vaddr,u_int flags)
 {
 #ifdef FORCE32
   return get_addr(vaddr);
-#endif
+#else
   //printf("TRACE: count=%d next=%d (get_addr_32 %x,flags %x)\n",Count,next_interupt,vaddr,flags);
   int *ht_bin=hash_table[((vaddr>>16)^vaddr)&0xFFFF];
   if(ht_bin[0]==vaddr) return (void *)ht_bin[1];
@@ -488,6 +488,7 @@ void *get_addr_32(u_int vaddr,u_int flags)
   Context=(Context&0xFF80000F)|((BadVAddr>>9)&0x007FFFF0);
   EntryHi=BadVAddr&0xFFFFE000;
   return get_addr_ht(0x80000000);
+#endif
 }
 
 void clear_all_regs(signed char regmap[])
@@ -2753,17 +2754,17 @@ void load_assemble(int i,struct regstat *i_regs)
   //if(c) printf("load_assemble: const=%x\n",(int)constmap[i][s]+offset);
   // FIXME: Even if the load is a NOP, we should check for pagefaults...
 #ifdef PCSX
-  if(tl<0) {
-    if(!c||(((u_int)constmap[i][s]+offset)>>16)==0x1f80) {
+  if(tl<0&&(!c||(((u_int)constmap[i][s]+offset)>>16)==0x1f80)
+    ||rt1[i]==0) {
       // could be FIFO, must perform the read
+      // ||dummy read
       assem_debug("(forced read)\n");
       tl=get_reg(i_regs->regmap,-1);
       assert(tl>=0);
-    }
   }
+#endif
   if(offset||s<0||c) addr=tl;
   else addr=s;
-#endif
   if(tl>=0) {
     //assert(tl>=0);
     //assert(rt1[i]);
@@ -3691,7 +3692,7 @@ void mov_assemble(int i,struct regstat *i_regs)
 {
   //if(opcode2[i]==0x10||opcode2[i]==0x12) { // MFHI/MFLO
   //if(opcode2[i]==0x11||opcode2[i]==0x13) { // MTHI/MTLO
-  assert(rt1[i]>0);
+  //assert(rt1[i]>0);
   if(rt1[i]) {
     signed char sh,sl,th,tl;
     th=get_reg(i_regs->regmap,rt1[i]|64);
@@ -7554,7 +7555,7 @@ void disassemble_inst(int i)
       case FJUMP:
         printf (" %x: %s %8x\n",start+i*4,insn[i],ba[i]);break;
       case RJUMP:
-        if (rt1[i]!=31)
+        if (opcode[i]==0x9&&rt1[i]!=31)
           printf (" %x: %s r%d,r%d\n",start+i*4,insn[i],rt1[i],rs1[i]);
         else
           printf (" %x: %s r%d\n",start+i*4,insn[i],rs1[i]);
@@ -7742,11 +7743,11 @@ int new_recompile_block(int addr)
   start = (u_int)addr&~3;
   //assert(((u_int)addr&1)==0);
 #ifdef PCSX
-  if (Config.HLE && start == 0x80001000) {
+  if (Config.HLE && start == 0x80001000) // hlecall
+  {
     // XXX: is this enough? Maybe check hleSoftCall?
     u_int beginning=(u_int)out;
     u_int page=get_page(start);
-    ll_add(jump_in+page,start,out);
     invalid_code[start>>12]=0;
     emit_movimm(start,0);
     emit_writeword(0,(int)&pcaddr);
@@ -7754,12 +7755,21 @@ int new_recompile_block(int addr)
 #ifdef __arm__
     __clear_cache((void *)beginning,out);
 #endif
+    ll_add(jump_in+page,start,(void *)beginning);
     return 0;
   }
-  else if ((u_int)addr < 0x00200000) {
+  else if ((u_int)addr < 0x00200000 ||
+    (0xa0000000 <= addr && addr < 0xa0200000)) {
     // used for BIOS calls mostly?
-    source = (u_int *)((u_int)rdram+start-0);
-    pagelimit = 0x00200000;
+    source = (u_int *)((u_int)rdram+(start&0x1fffff));
+    pagelimit = (addr&0xa0000000)|0x00200000;
+  }
+  else if (!Config.HLE && (
+/*    (0x9fc00000 <= addr && addr < 0x9fc80000) ||*/
+    (0xbfc00000 <= addr && addr < 0xbfc80000))) {
+    // BIOS
+    source = (u_int *)((u_int)psxR+(start&0x7ffff));
+    pagelimit = (addr&0xfff00000)|0x80000;
   }
   else
 #endif
@@ -7794,7 +7804,7 @@ int new_recompile_block(int addr)
     else {
       assem_debug("Compile at unmapped memory address: %x \n", (int)addr);
       //assem_debug("start: %x next: %x\n",memory_map[start>>12],memory_map[(start+4096)>>12]);
-      return 1; // Caller will invoke exception handler
+      return -1; // Caller will invoke exception handler
     }
     //printf("source= %x\n",(int)source);
   }
@@ -7933,7 +7943,11 @@ int new_recompile_block(int addr)
             case 0x02: strcpy(insn[i],"TLBWI"); type=COP0; break;
             case 0x06: strcpy(insn[i],"TLBWR"); type=COP0; break;
             case 0x08: strcpy(insn[i],"TLBP"); type=COP0; break;
+#ifdef PCSX
+            case 0x10: strcpy(insn[i],"RFE"); type=COP0; break;
+#else
             case 0x18: strcpy(insn[i],"ERET"); type=COP0; break;
+#endif
           }
         }
         break;
@@ -10493,6 +10507,19 @@ int new_recompile_block(int addr)
     ds=1;
     pagespan_ds();
   }
+  u_int instr_addr0_override=0;
+
+#ifdef PCSX
+  if (start == 0x80030000) {
+    // nasty hack for fastbios thing
+    instr_addr0_override=(u_int)out;
+    emit_movimm(start,0);
+    emit_readword((int)&pcaddr,1);
+    emit_writeword(0,(int)&pcaddr);
+    emit_cmp(0,1);
+    emit_jne((int)new_dyna_leave);
+  }
+#endif
   for(i=0;i<slen;i++)
   {
     //if(ds) printf("ds: ");
@@ -10686,6 +10713,9 @@ int new_recompile_block(int addr)
     }
   }
 
+  if (instr_addr0_override)
+    instr_addr[0] = instr_addr0_override;
+
   /* Pass 9 - Linker */
   for(i=0;i<linkcount;i++)
   {