Emulation/orbum
1
0
Fork 0
mirror of https://github.com/hch12907/orbum.git synced 2024-05-20 05:00:48 -04:00
Code Issues Packages Projects Releases Wiki Activity

Fix VU integer load/store

Browse source 
note that in ILW/ILWR, the operation is undefined if multiple fields are specified
This commit is contained in:
hch12907 2018-09-18 23:11:08 +08:00
parent 16b3570c4b
commit e4339b22cc
1 changed files with 28 additions and 8 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

36
liborbum/src/Controller/Ee/Vpu/Vu/Interpreter/CVuInterpreter_TRANSFER.cpp
View file

@ -3,6 +3,7 @@
#include "Controller/Ee/Vpu/Vu/Interpreter/CVuInterpreter.hpp"
#include "Core.hpp"
#include "Resources/Ee/Vpu/Vu/VuUnits.hpp"
#include "Utilities/Utilities.hpp"
// All instructions here are related to registers.
// Particularly load/store
@ -59,7 +60,8 @@ void CVuInterpreter::LQ(VuUnit_Base* unit, const VuInstruction inst)
SizedHwordRegister& reg_source = unit->vi[inst.is()];
SizedQwordRegister& reg_dest = unit->vf[inst.ft()];
const uword address = (inst.imm11() + reg_source.read_uhword()) * NUMBER_BYTES_IN_QWORD;
const shword offset = extend_integer<uhword, shword, 11>(inst.imm11());
const uword address = (offset + reg_source.read_uhword()) * NUMBER_BYTES_IN_QWORD;
const uqword source = unit->bus.read_uqword(BusContext::Vu, address);
for (auto field : VuVectorField::VECTOR_FIELDS)
@ -119,7 +121,8 @@ void CVuInterpreter::SQ(VuUnit_Base* unit, const VuInstruction inst)
SizedQwordRegister& reg_source_1 = unit->vf[inst.fs()];
SizedHwordRegister& reg_source_2 = unit->vi[inst.it()];
const uword address = (inst.imm11() + reg_source_2.read_uhword()) * NUMBER_BYTES_IN_QWORD;
const shword offset = extend_integer<uhword, shword, 11>(inst.imm11());
const uword address = (offset + reg_source_2.read_uhword()) * NUMBER_BYTES_IN_QWORD;
for (auto field : VuVectorField::VECTOR_FIELDS)
{
@ -174,9 +177,18 @@ void CVuInterpreter::ILW(VuUnit_Base* unit, const VuInstruction inst)
SizedHwordRegister& reg_source = unit->vi[inst.is()];
SizedHwordRegister& reg_dest = unit->vi[inst.it()];
const uword address = (inst.imm15() + reg_source.read_uhword()) * NUMBER_BYTES_IN_QWORD;
const uword source = unit->bus.read_uqword(BusContext::Vu, address).uw[inst.dest()];
reg_dest.write_uhword(static_cast<uhword>(source));
const shword offset = extend_integer<uhword, shword, 11>(inst.imm11());
const uword address = (offset + reg_source.read_uhword()) * NUMBER_BYTES_IN_QWORD;
// Note: the operation is undefined when multiple fields are specified
for (auto field : VuVectorField::VECTOR_FIELDS)
{
if (inst.test_dest_field(field))
{
const uword source = unit->bus.read_uqword(BusContext::Vu, address).uw[field];
reg_dest.write_uhword(static_cast<uhword>(source));
}
}
}
void CVuInterpreter::ISW(VuUnit_Base* unit, const VuInstruction inst)
@ -184,7 +196,8 @@ void CVuInterpreter::ISW(VuUnit_Base* unit, const VuInstruction inst)
SizedHwordRegister& reg_source_1 = unit->vi[inst.it()];
SizedHwordRegister& reg_source_2 = unit->vi[inst.is()];
const uword address = (inst.imm15() + reg_source_2.read_uhword()) * NUMBER_BYTES_IN_QWORD;
const shword offset = extend_integer<uhword, shword, 11>(inst.imm11());
const uword address = (offset + reg_source_2.read_uhword()) * NUMBER_BYTES_IN_QWORD;
for (auto field : VuVectorField::VECTOR_FIELDS)
{
@ -200,9 +213,16 @@ void CVuInterpreter::ILWR(VuUnit_Base* unit, const VuInstruction inst)
SizedHwordRegister& reg_source = unit->vi[inst.is()];
SizedHwordRegister& reg_dest = unit->vi[inst.it()];
// Note: the operation is undefined when multiple fields are specified
const uword address = reg_source.read_uhword() * NUMBER_BYTES_IN_QWORD;
const uword source = unit->bus.read_uqword(BusContext::Vu, address).uw[inst.dest()];
reg_dest.write_uhword(static_cast<uhword>(source));
for (auto field : VuVectorField::VECTOR_FIELDS)
{
if (inst.test_dest_field(field))
{
const uword source = unit->bus.read_uqword(BusContext::Vu, address).uw[field];
reg_dest.write_uhword(static_cast<uhword>(source));
}
}
}
void CVuInterpreter::ISWR(VuUnit_Base* unit, const VuInstruction inst)