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EE: We dont need to store the diff. between the generated cycles

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This commit is contained in:
Gabriel Correia 2024-06-12 22:59:42 -03:00
parent 05e2d5b5ed
commit 4dae7d20f0
5 changed files with 33 additions and 40 deletions
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2
app/src/main/cpp/cosmic/creeper/cached_blocks.cpp
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@ -163,7 +163,7 @@ namespace cosmic::creeper {
isCached = true;
}
if (!isCached || !chosen || !chosen->isLoaded) {
throw AppErr("No translated block was created or found; there is a bug in the code");
throw AppErr("No translated block was created or found");
}
runFasterBlock(PCs[0], PCs[1]);
executionPipe[0] = cpu->runCycles;

2
app/src/main/cpp/cosmic/creeper/cached_blocks.h
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@ -29,7 +29,7 @@ namespace cosmic::creeper {
return static_cast<EffectivePipeline>(static_cast<u16>(dest) ^ static_cast<u16>(src));
}
};
enum InstructionExtraCycles: i16 {
enum InstructionExtraCycles: u32 {
None = 0,
Div = 37,
Mul = 4

4
app/src/main/cpp/cosmic/creeper/dispatch_functions.cpp
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@ -158,8 +158,8 @@ namespace cosmic::creeper {
getOpcodeHandler(ivCore, coreOps, microCodes, set);
if (!microCodes.execute) {
microCodes.execute = [&](Operands& err) {
throw AppErr("Currently, we cannot handle the operation {:#x} at PC address {:#x}", err.inst, actualPc);
microCodes.execute = [](Operands& err) {
throw AppErr("Currently, we cannot handle the operation {:#x} at PC address {:#x}", err.inst, static_cast<u32>(cpu->eePc));
};
return;
}

32
app/src/main/cpp/cosmic/ee/ee_core.cpp
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@ -30,12 +30,11 @@ namespace cosmic::ee {
vst1_u64_x4(gprs + regRange + 4, zero);
vst1_u64_x4(gprs + regRange + 6, zero);
}
runCycles = cycles[0] = 0;
runCycles = {};
user->info("(EE): Emotion Engine is finally reset to default, "
"GPR {}: {}", eeAllGprIdentifier[15], fmt::join(GPRs[15].dw, ", "));
}
void EeMipsCore::pulse(u32 cycles) {
this->cycles[0] = cycles;
cop0.count += cycles;
if (!irqTrigger) {
const i64 beforeInc{runCycles};
@ -55,35 +54,6 @@ namespace cosmic::ee {
}
}
}
template <typename T>
T EeMipsCore::mipsRead(u32 address) {
const u32 virt{address / 4096};
const auto page{cop0.virtMap[virt]};
const auto br{page == first};
if (br) {
if constexpr (sizeof(T) == 4) {
return PipeRead<T>(memPipe, address & 0x1fffffff);
}
} else if (page > first) {
return *PipeCraftPtr<T*>(memPipe, address & 0xfff);
}
return {};
}
template<typename T>
void EeMipsCore::mipsWrite(u32 address, T value) {
const u32 pn{address / 4096};
const u8* page{cop0.virtMap[pn]};
[[unlikely]] if (page == first) {
cop0.virtCache->tlbChangeModified(pn, true);
PipeWrite<T>(memPipe, address & 0x1fffffff, value);
} else if (page > first) {
auto target{PipeCraftPtr<T*>(memPipe, address & 0xfff)};
*target = value;
}
invalidateExecRegion(address);
}
u32 EeMipsCore::fetchByPc() {
const u32 orderPC{lastPc};

33
app/src/main/cpp/cosmic/ee/ee_core.h
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@ -52,10 +52,34 @@ namespace cosmic::ee {
const u8* first{reinterpret_cast<u8*>(1)};
template <typename T>
T mipsRead(u32 address);
T mipsRead(u32 address) {
const u32 virt{address / 4096};
const auto page{cop0.virtMap[virt]};
const auto br{page == first};
if (br) {
if constexpr (sizeof(T) == 4) {
return PipeRead<T>(memPipe, address & 0x1fffffff);
}
} else if (page > first) {
return *PipeCraftPtr<T*>(memPipe, address & 0xfff);
}
return {};
}
template<typename T>
void mipsWrite(u32 address, T value);
void mipsWrite(u32 address, T value) {
const u32 pn{address / 4096};
const u8* page{cop0.virtMap[pn]};
[[unlikely]] if (page == first) {
cop0.virtCache->tlbChangeModified(pn, true);
PipeWrite<T>(memPipe, address & 0x1fffffff, value);
} else if (page > first) {
auto target{PipeCraftPtr<T*>(memPipe, address & 0xfff)};
*target = value;
}
invalidateExecRegion(address);
}
inline u32 incPc() {
chPc(eePc);
@ -90,8 +114,7 @@ namespace cosmic::ee {
}
bool isABranch{};
u32 delaySlot{};
i64 cycles[1],
runCycles;
u32 runCycles;
ExecutionMode cpuMode{ExecutionMode::CachedInterpreter};
CtrlCop cop0;