drc: inv: fix ram ofset and mirror handling

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

diff --git a/libpcsxcore/new_dynarec/assem_arm.c b/libpcsxcore/new_dynarec/assem_arm.c
index dda2a27..f2c2efa 100644 (file)
--- a/libpcsxcore/new_dynarec/assem_arm.c
+++ b/libpcsxcore/new_dynarec/assem_arm.c
@@ -29,6 +29,10 @@
 #include "pcnt.h"
 #endif
 
+#if !BASE_ADDR_FIXED
+char translation_cache[1 << TARGET_SIZE_2] __attribute__((aligned(4096)));
+#endif
+
 extern int cycle_count;
 extern int last_count;
 extern int pcaddr;
@@ -288,6 +292,7 @@ int isclean(int addr)
   return 1;
 }
 
+// get source that block at addr was compiled from (host pointers)
 void get_bounds(int addr,u_int *start,u_int *end)
 {
   u_int *ptr=(u_int *)addr;
@@ -2835,7 +2840,7 @@ do_readstub(int n)
       temp=r; break;
     }
   }
-  if(rt>=0)
+  if(rt>=0&&rt1[i]!=0)
     reglist&=~(1<<rt);
   if(temp==-1) {
     save_regs(reglist);
@@ -3012,7 +3017,7 @@ inline_readstub(int type, int i, u_int addr, signed char regmap[], int target, i
     return;
   handler=get_direct_memhandler(mem_rtab,addr,type,&host_addr);
   if (handler==0) {
-    if(rt<0)
+    if(rt<0||rt1[i]==0)
       return;
     if(addr!=host_addr)
       emit_movimm_from(addr,rs,host_addr,rs);
@@ -3037,7 +3042,7 @@ inline_readstub(int type, int i, u_int addr, signed char regmap[], int target, i
   }
 
   // call a memhandler
-  if(rt>=0)
+  if(rt>=0&&rt1[i]!=0)
     reglist&=~(1<<rt);
   save_regs(reglist);
   if(target==0)
@@ -3068,7 +3073,7 @@ inline_readstub(int type, int i, u_int addr, signed char regmap[], int target, i
   else
     emit_call(handler);
 
-  if(rt>=0) {
+  if(rt>=0&&rt1[i]!=0) {
     switch(type) {
       case LOADB_STUB:  emit_signextend8(0,rt); break;
       case LOADBU_STUB: emit_andimm(0,0xff,rt); break;
@@ -3997,6 +4002,10 @@ static int emit_fastpath_cmp_jump(int i,int addr,int *addr_reg_override)
     else
     #endif
       emit_jno(0);
+    if(ram_offset!=0) {
+      emit_addimm(addr,ram_offset,HOST_TEMPREG);
+      addr=*addr_reg_override=HOST_TEMPREG;
+    }
   }
 
   return jaddr;
@@ -4048,6 +4057,10 @@ void loadlr_assemble_arm(int i,struct regstat *i_regs)
       jaddr=emit_fastpath_cmp_jump(i,temp2,&fastload_reg_override);
     }
     else {
+      if(ram_offset&&memtarget) {
+        emit_addimm(temp2,ram_offset,HOST_TEMPREG);
+        fastload_reg_override=HOST_TEMPREG;
+      }
       if (opcode[i]==0x22||opcode[i]==0x26) {
         emit_movimm(((constmap[i][s]+offset)<<3)&24,temp); // LWL/LWR
       }else{
@@ -4218,6 +4231,7 @@ void cop0_assemble(int i,struct regstat *i_regs)
         emit_loadreg(rs1[i],1);
         emit_movimm(copr,0);
         emit_call((int)pcsx_mtc0_ds);
+        emit_loadreg(rs1[i],s);
         return;
       }
 #endif
@@ -4240,23 +4254,21 @@ void cop0_assemble(int i,struct regstat *i_regs)
 #endif
     if(copr==9||copr==11||copr==12||copr==13) {
       emit_readword((int)&Count,HOST_CCREG);
-      emit_readword((int)&next_interupt,ECX);
+      emit_readword((int)&next_interupt,HOST_TEMPREG);
       emit_addimm(HOST_CCREG,-CLOCK_ADJUST(ccadj[i]),HOST_CCREG);
-      emit_sub(HOST_CCREG,ECX,HOST_CCREG);
-      emit_writeword(ECX,(int)&last_count);
+      emit_sub(HOST_CCREG,HOST_TEMPREG,HOST_CCREG);
+      emit_writeword(HOST_TEMPREG,(int)&last_count);
       emit_storereg(CCREG,HOST_CCREG);
     }
     if(copr==12||copr==13) {
       assert(!is_delayslot);
       emit_readword((int)&pending_exception,14);
+      emit_test(14,14);
+      emit_jne((int)&do_interrupt);
     }
     emit_loadreg(rs1[i],s);
     if(get_reg(i_regs->regmap,rs1[i]|64)>=0)
       emit_loadreg(rs1[i]|64,get_reg(i_regs->regmap,rs1[i]|64));
-    if(copr==12||copr==13) {
-      emit_test(14,14);
-      emit_jne((int)&do_interrupt);
-    }
     cop1_usable=0;
   }
   else
@@ -4493,8 +4505,8 @@ static void c2op_assemble(int i,struct regstat *i_regs)
   if (gte_handlers[c2op]!=NULL) {
     need_flags=!(gte_unneeded[i+1]>>63); // +1 because of how liveness detection works
     need_ir=(gte_unneeded[i+1]&0xe00)!=0xe00;
-    assem_debug("gte unneeded %016llx, need_flags %d, need_ir %d\n",
-      gte_unneeded[i+1],need_flags,need_ir);
+    assem_debug("gte op %08x, unneeded %016llx, need_flags %d, need_ir %d\n",
+      source[i],gte_unneeded[i+1],need_flags,need_ir);
     if(new_dynarec_hacks&NDHACK_GTE_NO_FLAGS)
       need_flags=0;
     int shift = (source[i] >> 19) & 1;
@@ -5681,7 +5693,7 @@ void do_clear_cache()
       for(j=0;j<32;j++) 
       {
         if(bitmap&(1<<j)) {
-          start=BASE_ADDR+i*131072+j*4096;
+          start=(u_int)BASE_ADDR+i*131072+j*4096;
           end=start+4095;
           j++;
           while(j<32) {