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Feature/runtime review codegen fixes (#87)

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* feat: small fixes on code gen

* feat: added code gen test

* feat: rename IOP

* fix: fix special case on JR
feat: added code generator test

* feat: ps2 logs now need special macros

* feat: a lot of regressions test
feat: use test to fix bugs on runtime
fix: fix incorrect instructions on code generator
feat: added missing decode on r5900 decoder
feat: added scissor on rasterizer

* feat: better ghidra plugin analyzer
fix: fix real bug on function finding on elf analyzer

* feat: some logs on GS
feat: added more syscalls stubs
feat: added more ps2 stubs

* feat: added missing stub
This commit is contained in:
Ranieri
2026-02-27 03:44:59 -03:00
committed by GitHub
parent 8d1f1c5672
commit 669114f3f6
51 changed files with 7912 additions and 382 deletions
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ps2xTest/src/r5900_decoder_tests.cpp
+25
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@@ -117,6 +117,31 @@ void register_r5900_decoder_tests()
t.IsTrue(inst.modificationInfo.modifiesGPR, "jalr with rd!=0 should mark GPR modification");
});
tc.Run("R5900 MULT marks rd modification when rd is non-zero", [](TestCase &t) {
uint32_t address = 0x5800;
uint32_t rawWithRd = (OPCODE_SPECIAL << 26) | (4 << 21) | (5 << 16) | (3 << 11) | SPECIAL_MULT;
uint32_t rawRdZero = (OPCODE_SPECIAL << 26) | (4 << 21) | (5 << 16) | (0 << 11) | SPECIAL_MULT;
R5900Decoder decoder;
Instruction withRd = decoder.decodeInstruction(address, rawWithRd);
Instruction rdZero = decoder.decodeInstruction(address + 4, rawRdZero);
t.IsTrue(withRd.modificationInfo.modifiesControl, "MULT should modify HI/LO");
t.IsTrue(withRd.modificationInfo.modifiesGPR, "MULT should mark rd modification when rd!=0");
t.IsFalse(rdZero.modificationInfo.modifiesGPR, "MULT should not mark rd modification when rd==0");
});
tc.Run("R5900 MMI MULT1 marks rd modification when rd is non-zero", [](TestCase &t) {
uint32_t address = 0x5900;
uint32_t raw = (OPCODE_MMI << 26) | (6 << 21) | (7 << 16) | (8 << 11) | MMI_MULT1;
R5900Decoder decoder;
Instruction inst = decoder.decodeInstruction(address, raw);
t.IsTrue(inst.modificationInfo.modifiesControl, "MULT1 should modify HI1/LO1");
t.IsTrue(inst.modificationInfo.modifiesGPR, "MULT1 should mark rd modification when rd!=0");
});
tc.Run("MMI instruction sets MMI flags", [](TestCase &t) {
uint32_t address = 0x6000;
// Use opcode 0x1C (MMI), rs=1, rt=2, rd=3, sa=MMI0_PADDW (0)