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ee-fpu: upgrade the FPU to 3.0 

properly return reserved register

Fix FCR test :)
This commit is contained in:
Gregory Hainaut 2016-01-29 23:22:37 +01:00
parent cf993c2a36
commit eaa211212d
4 changed files with 17 additions and 9 deletions
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8
pcsx2/FPU.cpp
View File

@ -223,8 +223,12 @@ void C_LT() {
}
void CFC1() {
if ( !_Rt_ || ( (_Fs_ != 0) && (_Fs_ != 31) ) ) return;
cpuRegs.GPR.r[_Rt_].SD[0] = (s32)fpuRegs.fprc[_Fs_]; // force sign extension to 64 bit
if ( !_Rt_ ) return;
if (_Fs_ >= 16)
cpuRegs.GPR.r[_Rt_].SD[0] = (s32)fpuRegs.fprc[31]; // force sign extension to 64 bit
else
cpuRegs.GPR.r[_Rt_].SD[0] = (s32)fpuRegs.fprc[0]; // force sign extension to 64 bit
}
void CTC1() {

6
pcsx2/R5900.cpp
View File

@ -13,7 +13,7 @@
* If not, see <http://www.gnu.org/licenses/>.
*/
#include "PrecompiledHeader.h"
#include "Common.h"
@ -72,7 +72,7 @@ void cpuReset()
cpuRegs.CP0.n.Config = 0x440;
cpuRegs.CP0.n.Status.val= 0x70400004; //0x10900000 <-- wrong; // COP0 enabled | BEV = 1 | TS = 1
cpuRegs.CP0.n.PRid = 0x00002e20; // PRevID = Revision ID, same as R5900
fpuRegs.fprc[0] = 0x00002e00; // fpu Revision..
fpuRegs.fprc[0] = 0x00002e30; // fpu Revision..
fpuRegs.fprc[31] = 0x01000001; // fpu Status/Control
g_nextEventCycle = cpuRegs.cycle + 4;
@ -82,7 +82,7 @@ void cpuReset()
hwReset();
rcntInit();
psxReset();
extern void Deci2Reset(); // lazy, no good header for it yet.
Deci2Reset();

9
pcsx2/x86/iFPU.cpp
View File

@ -114,15 +114,18 @@ static const __aligned16 u32 s_pos[4] = { 0x7fffffff, 0xffffffff, 0xffffffff, 0x
//------------------------------------------------------------------
void recCFC1(void)
{
if ( !_Rt_ || ( (_Fs_ != 0) && (_Fs_ != 31) ) ) return;
if ( !_Rt_ ) return;
EE::Profiler.EmitOp(eeOpcode::CFC1);
_eeOnWriteReg(_Rt_, 1);
xMOV(eax, ptr[&fpuRegs.fprc[ _Fs_ ] ]);
if (_Fs_ >= 16)
xMOV(eax, ptr[&fpuRegs.fprc[31] ]);
else
xMOV(eax, ptr[&fpuRegs.fprc[0] ]);
_deleteEEreg(_Rt_, 0);
if (_Fs_ == 31)
if (_Fs_ >= 16)
{
xAND(eax, 0x0083c078); //remove always-zero bits
xOR(eax, 0x01000001); //set always-one bits

3
tests/run_test.pl
View File

@ -48,6 +48,8 @@ sub help {
EnableVU1=disabled : Use VU1 interpreter
FPU.Roundmode=3 : EE FPU round mode
VU.Roundmode=3 : VU round mode
fpuExtraOverflow=enabled : Full EE FPU
fpuFullMode=enabled : Full EE FPU
EOS
print $msg;
@ -152,7 +154,6 @@ if ($o_regression or $o_bad) {
$blacklist{"arithmetic"} = 1;
$blacklist{"branchdelay"} = 1;
$blacklist{"compare"} = 1;
$blacklist{"fcr"} = 1;
$blacklist{"muldiv"} = 1;
$blacklist{"sqrt"} = 1;
# IOP