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core/arm: Improve timing accuracy before service calls in JIT

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We also correct the CPU JIT's implementation of Step.
This commit is contained in:
MerryMage 2017-12-03 02:57:08 +00:00
parent dc030c78c3
commit 7cd8b437aa
9 changed files with 59 additions and 53 deletions
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29
src/core/arm/arm_interface.h
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@ -24,19 +24,11 @@ public:
u32 fpexc;
};
/**
* Runs the CPU for the given number of instructions
* @param num_instructions Number of instructions to run
*/
void Run(int num_instructions) {
ExecuteInstructions(num_instructions);
this->num_instructions += num_instructions;
}
/// Runs the CPU until an event happens
virtual void Run() = 0;
/// Step CPU by one instruction
void Step() {
Run(1);
}
virtual void Step() = 0;
/// Clear all instruction cache
virtual void ClearInstructionCache() = 0;
@ -138,19 +130,4 @@ public:
/// Prepare core for thread reschedule (if needed to correctly handle state)
virtual void PrepareReschedule() = 0;
/// Getter for num_instructions
u64 GetNumInstructions() const {
return num_instructions;
}
protected:
/**
* Executes the given number of instructions
* @param num_instructions Number of instructions to executes
*/
virtual void ExecuteInstructions(int num_instructions) = 0;
private:
u64 num_instructions = 0; ///< Number of instructions executed
};