drc: implement cycle reload on read

[pcsx_rearmed.git] / libpcsxcore / new_dynarec / patches / trace_drc_chk

diff --git a/libpcsxcore/new_dynarec/new_dynarec.c b/libpcsxcore/new_dynarec/new_dynarec.c
index 74f32ee3..4eec8a83 100644
--- a/libpcsxcore/new_dynarec/new_dynarec.c
+++ b/libpcsxcore/new_dynarec/new_dynarec.c
@@ -325,7 +325,7 @@ static struct compile_info
   int new_dynarec_hacks_old;
   int new_dynarec_did_compile;
 
-  #define HACK_ENABLED(x) ((new_dynarec_hacks | new_dynarec_hacks_pergame) & (x))
+  #define HACK_ENABLED(x) ((NDHACK_NO_STALLS) & (x))
 
   extern int cycle_count; // ... until end of the timeslice, counts -N -> 0 (CCREG)
   extern int last_count;  // last absolute target, often = next_interupt
@@ -603,6 +603,7 @@ static int cycle_multiplier_active;
 
 static int CLOCK_ADJUST(int x)
 {
+  return x * 2;
   int m = cycle_multiplier_active;
   int s = (x >> 31) | 1;
   return (x * m + s * 50) / 100;
@@ -808,6 +809,9 @@ static noinline u_int generate_exception(u_int pc)
 // This is called from the recompiled JR/JALR instructions
 static void noinline *get_addr(u_int vaddr, int can_compile)
 {
+#ifdef DRC_DBG
+printf("get_addr %08x, pc=%08x\n", vaddr, psxRegs.pc);
+#endif
   u_int start_page = get_page_prev(vaddr);
   u_int i, page, end_page = get_page(vaddr);
   void *found_clean = NULL;
@@ -7213,7 +7217,7 @@ static noinline void pass2_unneeded_regs(int istart,int iend,int r)
     // R0 is always unneeded
     u|=1;
     // Save it
-    unneeded_reg[i]=u;
+    unneeded_reg[i]=1;//u;
     gte_unneeded[i]=gte_u;
     /*
     printf("ur (%d,%d) %x: ",istart,iend,start+i*4);
@@ -8355,6 +8359,7 @@ static noinline void pass5a_preallocate1(void)
 static noinline void pass5b_preallocate2(void)
 {
   int i, hr;
+ return;
   for(i=0;i<slen-1;i++)
   {
     if (!i || !dops[i-1].is_jump)
@@ -9380,6 +9385,10 @@ static int new_recompile_block(u_int addr)
 
 #ifdef ASSEM_PRINT
   fflush(stdout);
+#endif
+#ifdef DRC_DBG
+printf("new_recompile_block done\n");
+fflush(stdout);
 #endif
   stat_inc(stat_bc_direct);
   return 0;
diff --git a/libpcsxcore/new_dynarec/pcsxmem.c b/libpcsxcore/new_dynarec/pcsxmem.c
index f4b1d90e..d3975ceb 100644
--- a/libpcsxcore/new_dynarec/pcsxmem.c
+++ b/libpcsxcore/new_dynarec/pcsxmem.c
@@ -258,6 +258,8 @@ static void write_biu(u32 value)
 		return;
 	}
 
+extern u32 handler_cycle;
+handler_cycle = psxRegs.cycle;
 	memprintf("write_biu %08x @%08x %u\n", value, psxRegs.pc, psxRegs.cycle);
 	psxRegs.biuReg = value;
 }
diff --git a/libpcsxcore/psxcounters.c b/libpcsxcore/psxcounters.c
index d0d45ec5..4ed03c40 100644
--- a/libpcsxcore/psxcounters.c
+++ b/libpcsxcore/psxcounters.c
@@ -428,9 +428,12 @@ void psxRcntUpdate()
 
 /******************************************************************************/
 
+extern u32 handler_cycle;
+
 void psxRcntWcount( u32 index, u32 value )
 {
     verboseLog( 2, "[RCNT %i] wcount: %x\n", index, value );
+handler_cycle = psxRegs.cycle;
 
     _psxRcntWcount( index, value );
     psxRcntSet();
@@ -439,6 +442,7 @@ void psxRcntWcount( u32 index, u32 value )
 void psxRcntWmode( u32 index, u32 value )
 {
     verboseLog( 1, "[RCNT %i] wmode: %x\n", index, value );
+handler_cycle = psxRegs.cycle;
 
     _psxRcntWmode( index, value );
     _psxRcntWcount( index, 0 );
@@ -450,6 +454,7 @@ void psxRcntWmode( u32 index, u32 value )
 void psxRcntWtarget( u32 index, u32 value )
 {
     verboseLog( 1, "[RCNT %i] wtarget: %x\n", index, value );
+handler_cycle = psxRegs.cycle;
 
     rcnts[index].target = value;
 
@@ -463,6 +468,7 @@ u32 psxRcntRcount0()
 {
     u32 index = 0;
     u32 count;
+handler_cycle = psxRegs.cycle;
 
     if ((rcnts[0].mode & 7) == (RcSyncModeEnable | Rc01UnblankReset) ||
         (rcnts[0].mode & 7) == (RcSyncModeEnable | Rc01UnblankReset2))
diff --git a/libpcsxcore/psxinterpreter.c b/libpcsxcore/psxinterpreter.c
index f6ff2e8b..2f7147c3 100644
--- a/libpcsxcore/psxinterpreter.c
+++ b/libpcsxcore/psxinterpreter.c
@@ -245,7 +245,7 @@ static inline void addCycle(psxRegisters *regs)
 {
 	assert(regs->subCycleStep >= 0x10000);
 	regs->subCycle += regs->subCycleStep;
-	regs->cycle += regs->subCycle >> 16;
+	regs->cycle += 2; //regs->subCycle >> 16;
 	regs->subCycle &= 0xffff;
 }
 
@@ -1348,8 +1348,15 @@ static void intShutdown() {
 // single step (may do several ops in case of a branch or load delay)
 // called by asm/dynarec
 void execI(psxRegisters *regs) {
+ extern int last_count;
+ extern u32 next_interupt;
+ void do_insn_cmp(void);
+ printf("execI %08x c %u, ni %u\n", regs->pc, regs->cycle, next_interupt);
+ last_count = 0;
 	do {
 		execIbp(psxMemRLUT, regs);
+		if (regs->dloadReg[0] || regs->dloadReg[1])
+			do_insn_cmp();
 	} while (regs->dloadReg[0] || regs->dloadReg[1]);
 }