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Minor VU changes... (get interpreter and sVU0 to be able to break execution after X cycles, instead of by hardcoded cycles...) 

git-svn-id: http://pcsx2.googlecode.com/svn/trunk@2639 96395faa-99c1-11dd-bbfe-3dabce05a288
This commit is contained in:
cottonvibes 2010-02-26 03:52:53 +00:00
parent ea766db4ce
commit 3308fa513f
5 changed files with 28 additions and 42 deletions
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18
pcsx2/VU0microInterp.cpp
View File

@ -206,24 +206,14 @@ void InterpVU0::Step()
void InterpVU0::Execute(u32 cycles)
{
for (int i = 128; i--;)
{
if ((VU0.VI[REG_VPU_STAT].UL & 0x1) == 0)
{
// Okey.... It apparenly runs an extra instruction on branches or ebits, but
// *only* if the microprogram is longer than 128 instructions. This has got
// to be some kind of random gamefix hack. --air
if( (i < 0) && (VU0.branch || VU0.ebit) )
{
// execute one more
vu0Exec(&VU0);
for (int i = (int)cycles; i > 0 ; i--) {
if (!(VU0.VI[REG_VPU_STAT].UL & 0x1)) {
if (VU0.branch || VU0.ebit) {
vu0Exec(&VU0); // run branch delay slot?
}
break;
}
vu0Exec(&VU0);
}
}

17
pcsx2/VU1microInterp.cpp
View File

@ -189,22 +189,13 @@ void InterpVU1::Step()
void InterpVU1::Execute(u32 cycles)
{
for (int i = 128; i--;)
{
if ((VU0.VI[REG_VPU_STAT].UL & 0x100) == 0)
{
// See VU0Interp's version for details. Or just read the comment below
// that simply reads "execute one more" and wonder: Why? Really... WHY?
// --air
if( (i < 0) && (VU1.branch || VU1.ebit) )
{
// execute one more
vu1Exec(&VU1);
for (int i = (int)cycles; i > 0 ; i--) {
if (!(VU0.VI[REG_VPU_STAT].UL & 0x100)) {
if (VU1.branch || VU1.ebit) {
vu1Exec(&VU1); // run branch delay slot?
}
break;
}
vu1Exec(&VU1);
}
}

4
pcsx2/VUmicro.h
View File

@ -125,7 +125,7 @@ public:
Execute(vu0RunCycles); // Kick start VU
// If the VU0 program didn't finish then we'll want to finish it up
// pretty soon. This fixes vmhacks in some games (Naruto Ultimate Ninja 2)
if(VU0.VI[REG_VPU_STAT].UL & 0x1)
if(VU0.VI[REG_VPU_STAT].UL & vuRunning)
cpuSetNextBranchDelta( 192 ); // fixme : ideally this should be higher, like 512 or so.
}
else {
@ -133,7 +133,7 @@ public:
DevCon.Warning("VU0 running when in BranchTest");
// This helps keep the EE and VU0 in sync.
// Check Silver Surfer. Currently has SPS varying with different branch deltas set below.
if(VU0.VI[REG_VPU_STAT].UL & 0x1)
if(VU0.VI[REG_VPU_STAT].UL & vuRunning)
cpuSetNextBranchDelta( 768 );
}
}

4
pcsx2/x86/microVU.h
View File

@ -111,7 +111,7 @@ struct microRange {
s32 range[mMaxRanges][2];
};
#define mProgSize 0x4000/4
#define mProgSize (0x4000/4)
struct microProgram {
u32 data [mProgSize]; // Holds a copy of the VU microProgram
microBlockManager* block[mProgSize/2]; // Array of Block Managers
@ -122,7 +122,7 @@ struct microProgram {
bool isOld; // Program is Old? (Program hasn't been used in a while)
};
#define mMaxProg ((mVU->index)?400:8) // The amount of Micro Programs Recs will 'remember' (For n = 1, 2, 4, 8, 16, etc...)
#define mMaxProg ((mVU->index)?400:8) // The amount of Micro Programs Recs will 'remember'
struct microProgManager {
microIR<mProgSize> IRinfo; // IR information
microProgram* prog; // Store MicroPrograms in memory

15
pcsx2/x86/sVU_zerorec.cpp
View File

@ -62,7 +62,7 @@ extern void iDumpVU1Registers();
//#define SUPERVU_X86CACHING
// registers won't be flushed at block boundaries (faster) (nothing noticable speed-wise, causes SPS in Ratchet and clank (Nneeve) )
// registers won't be flushed at block boundaries (faster) (nothing noticeable speed-wise, causes SPS in Ratchet and clank (Nneeve) )
#ifndef PCSX2_DEBUG
//#define SUPERVU_INTERCACHING
#endif
@ -2869,19 +2869,23 @@ void SuperVUFreeXMMregs(u32* livevars)
//_freeXMMregs();
}
static u32 runCycles = 0; // Cycles to Compare to for early exit
static u32 backupEAX = 0; // Backup EAX (not sure if this is needed)
void SuperVUTestVU0Condition(u32 incstack)
{
if (s_vu && !SUPERVU_CHECKCONDITION) return; // vu0 only
// sometimes games spin on vu0, so be careful with this value
// woody hangs if too high
// sometimes games spin on vu0, so be careful with
// runCycles value... woody hangs if too high
// Edit: Need to test this again, if anyone ever has a "Woody" game :p
CMP32ItoM((uptr)&s_TotalVUCycles, 512*12);
MOV32RtoM((uptr)&backupEAX, EAX);
MOV32MtoR(EAX, (uptr)&s_TotalVUCycles);
CMP32MtoR(EAX, (uptr)&runCycles);
MOV32MtoR(EAX, (uptr)&backupEAX);
if (incstack)
{
u8* ptr = JB8(0);
ADD32ItoR(ESP, incstack);
//CALLFunc((u32)timeout);
JMP32((uptr)SuperVUEndProgram - ((uptr)x86Ptr + 5));
@ -4634,6 +4638,7 @@ void recSuperVU0::Execute(u32 cycles)
if ((VU0.VI[REG_VPU_STAT].UL & 1) == 0) return;
XMMRegisters::Freeze();
runCycles = cycles;
SuperVUExecuteProgram(VU0.VI[REG_TPC].UL & 0xfff, 0);
XMMRegisters::Thaw();
}