Merge pull request #152 from wheremyfoodat/panda-kith

[WIP] Multithreading fixes

include/PICA/dynapica/shader_rec_emitter_x64.hpp

@@ -91,6 +91,7 @@ class ShaderEmitter : public Xbyak::CodeGenerator {
 	void recCMP(const PICAShader& shader, u32 instruction);
 	void recDP3(const PICAShader& shader, u32 instruction);
 	void recDP4(const PICAShader& shader, u32 instruction);
+	void recDPH(const PICAShader& shader, u32 instruction);
 	void recEMIT(const PICAShader& shader, u32 instruction);
 	void recEND(const PICAShader& shader, u32 instruction);
 	void recEX2(const PICAShader& shader, u32 instruction);
@@ -111,7 +112,6 @@ class ShaderEmitter : public Xbyak::CodeGenerator {
 	void recRSQ(const PICAShader& shader, u32 instruction);
 	void recSETEMIT(const PICAShader& shader, u32 instruction);
 	void recSGE(const PICAShader& shader, u32 instruction);
-	void recSGEI(const PICAShader& shader, u32 instruction);
 	void recSLT(const PICAShader& shader, u32 instruction);
 
 	MAKE_LOG_FUNCTION(log, shaderJITLogger)

include/PICA/shader.hpp

@@ -23,6 +23,7 @@ namespace ShaderOpcodes {
 		LG2 = 0x06,
 		LIT = 0x07,
 		MUL = 0x08,
+		SGE = 0x09,
 		SLT = 0x0A,
 		FLR = 0x0B,
 		MAX = 0x0C,

include/kernel/kernel.hpp

@@ -52,6 +52,9 @@ class Kernel {
 	// Top 8 bits are the major version, bottom 8 are the minor version
 	u16 kernelVersion = 0;
 
+	// Shows whether a reschedule will be need
+	bool needReschedule = false;
+
 	Handle makeArbiter();
 	Handle makeProcess(u32 id);
 	Handle makePort(const char* name);
@@ -73,7 +76,6 @@ private:
 	void switchThread(int newThreadIndex);
 	void sortThreads();
 	std::optional<int> getNextThread();
-	void switchToNextThread();
 	void rescheduleThreads();
 	bool canThreadRun(const Thread& t);
 	bool shouldWaitOnObject(KernelObject* object);
@@ -168,6 +170,15 @@ public:
 	void serviceSVC(u32 svc);
 	void reset();
 
+	void requireReschedule() { needReschedule = true; }
+
+	void evalReschedule() {
+		if (needReschedule) {
+			needReschedule = false;
+			rescheduleThreads();
+		}
+	}
+
 	Handle makeObject(KernelObjectType type) {
 		if (handleCounter > KernelHandles::Max) [[unlikely]] {
 			Helpers::panic("Hlep we somehow created enough kernel objects to overflow this thing");