preliminary irq10 support

[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 2382123..c4be88f 100644 (file)
--- a/libpcsxcore/new_dynarec/new_dynarec.c
+++ b/libpcsxcore/new_dynarec/new_dynarec.c
@@ -2114,28 +2114,18 @@ static void multdiv_alloc(struct regstat *current,int i)
   clear_const(current,dops[i].rs2);
   alloc_cc(current,i); // for stalls
   dirty_reg(current,CCREG);
-  if(dops[i].rs1&&dops[i].rs2)
+  current->u &= ~(1ull << HIREG);
+  current->u &= ~(1ull << LOREG);
+  alloc_reg(current, i, HIREG);
+  alloc_reg(current, i, LOREG);
+  dirty_reg(current, HIREG);
+  dirty_reg(current, LOREG);
+  if ((dops[i].opcode2 & 0x3e) == 0x1a || (dops[i].rs1 && dops[i].rs2)) // div(u)
   {
-      current->u&=~(1LL<<HIREG);
-      current->u&=~(1LL<<LOREG);
-      alloc_reg(current,i,HIREG);
-      alloc_reg(current,i,LOREG);
-      alloc_reg(current,i,dops[i].rs1);
-      alloc_reg(current,i,dops[i].rs2);
-      dirty_reg(current,HIREG);
-      dirty_reg(current,LOREG);
-  }
-  else
-  {
-    // Multiply by zero is zero.
-    // MIPS does not have a divide by zero exception.
-    alloc_reg(current,i,HIREG);
-    alloc_reg(current,i,LOREG);
-    dirty_reg(current,HIREG);
-    dirty_reg(current,LOREG);
-    if (dops[i].rs1 && ((dops[i].opcode2 & 0x3e) == 0x1a)) // div(u) 0
-      alloc_reg(current, i, dops[i].rs1);
+    alloc_reg(current, i, dops[i].rs1);
+    alloc_reg(current, i, dops[i].rs2);
   }
+  // else multiply by zero is zero
 }
 #endif
 
@@ -4955,6 +4945,10 @@ static void drc_dbg_emit_do_cmp(int i, int ccadj_)
       emit_storereg(reg, 0);
     }
   }
+  if (dops[i].opcode == 0x0f) { // LUI
+    emit_movimm(cinfo[i].imm << 16, 0);
+    emit_storereg(dops[i].rt1, 0);
+  }
   emit_movimm(start+i*4,0);
   emit_writeword(0,&pcaddr);
   int cc = get_reg(regs[i].regmap_entry, CCREG);
@@ -4970,8 +4964,18 @@ static void drc_dbg_emit_do_cmp(int i, int ccadj_)
   restore_regs(reglist);
   assem_debug("\\\\do_insn_cmp\n");
 }
+static void drc_dbg_emit_wb_dirtys(int i, const struct regstat *i_regs)
+{
+  // write-out non-consts, consts are likely different because of get_final_value()
+  if (i_regs->dirty & ~i_regs->loadedconst) {
+    assem_debug("/ drc_dbg_wb\n");
+    wb_dirtys(i_regs->regmap, i_regs->dirty & ~i_regs->loadedconst);
+    assem_debug("\\ drc_dbg_wb\n");
+  }
+}
 #else
 #define drc_dbg_emit_do_cmp(x,y)
+#define drc_dbg_emit_wb_dirtys(x,y)
 #endif
 
 // Used when a branch jumps into the delay slot of another branch
@@ -5695,6 +5699,7 @@ static void cjump_assemble(int i, const struct regstat *i_regs)
         load_reg(regs[i].regmap,branch_regs[i].regmap,ROREG);
       load_regs(regs[i].regmap,branch_regs[i].regmap,CCREG,INVCP);
       ds_assemble(i+1,&branch_regs[i]);
+      drc_dbg_emit_wb_dirtys(i+1, &branch_regs[i]);
       cc=get_reg(branch_regs[i].regmap,CCREG);
       if(cc==-1) {
         emit_loadreg(CCREG,cc=HOST_CCREG);
@@ -6335,9 +6340,9 @@ static u_int *get_source_start(u_int addr, u_int *limit)
     *limit = (addr & 0xa0600000) + 0x00200000;
     return (u_int *)(psxM + (addr & 0x1fffff));
   }
-  else if (!Config.HLE && (
+  else if (
     /* (0x9fc00000 <= addr && addr < 0x9fc80000) ||*/
-    (0xbfc00000 <= addr && addr < 0xbfc80000)))
+    (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 2-per-insn assumption
@@ -6989,9 +6994,9 @@ static noinline void pass1_disassemble(u_int pagelimit)
         done = 1;
     }
     if (dops[i].itype == HLECALL)
-      stop = 1;
+      done = 1;
     else if (dops[i].itype == INTCALL)
-      stop = 2;
+      done = 2;
     else if (dops[i].is_exception)
       done = stop_after_jal ? 1 : 2;
     if (done == 2) {
@@ -8917,7 +8922,6 @@ static int new_recompile_block(u_int addr)
   new_dynarec_did_compile=1;
   if (Config.HLE && start == 0x80001000) // hlecall
   {
-    // XXX: is this enough? Maybe check hleSoftCall?
     void *beginning = start_block();
 
     emit_movimm(start,0);
@@ -9125,6 +9129,7 @@ static int new_recompile_block(u_int addr)
 
       ds = assemble(i, &regs[i], cinfo[i].ccadj);
 
+      drc_dbg_emit_wb_dirtys(i, &regs[i]);
       if (dops[i].is_ujump)
         literal_pool(1024);
       else