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fix(windows): add experimental guest red-zone protection.

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Port the static instruction patcher from shadPS4.
This commit is contained in:
nmzik
2026-08-07 05:14:56 +02:00
parent d5c95bc3ee
commit 26781e6fea
18 changed files with 1840 additions and 107 deletions
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tests/ShaderRecompilerComputeTests.cpp
+58 -30
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@@ -18265,39 +18265,67 @@ void CheckPm4ContextStateOperations(RenderContext& renderer) {
processor.GetCtx().GetRenderTargetMask() == 0x1234abcd,
"push changed live Cx state");
processor.GetCtx().SetRenderTargetMask(0x01020304);
Require("Pm4ContextState", "push-pop restore",
invoke(ContextStateOperation::Pop) == Pm4ProcessResult::Complete &&
processor.GetCtx().GetRenderTargetMask() == 0x1234abcd,
"ordinary push/pop did not restore Cx state");
Require("Pm4ContextState", "push-pop restore",
invoke(ContextStateOperation::Pop) ==
Pm4ProcessResult::Complete &&
processor.GetCtx().GetRenderTargetMask() == 0x1234abcd,
"ordinary push/pop did not restore Cx state");
Require("Pm4ContextState", "clear",
invoke(ContextStateOperation::Clear) == Pm4ProcessResult::Complete &&
!processor.GetCtx().GetRenderControl().depth_clear_enable &&
processor.GetCtx().GetRenderTargetMask() == HW::Context {}.GetRenderTargetMask() &&
processor.GetUcfg().GetPrimType() == 0x35 &&
processor.GetShCtx().GetPs().ps_regs.data_addr == shader_address,
"clear reset state outside the Cx register domain");
Require("Pm4ContextState", "clear",
invoke(ContextStateOperation::Clear) ==
Pm4ProcessResult::Complete &&
!processor.GetCtx().GetRenderControl().depth_clear_enable &&
processor.GetCtx().GetRenderTargetMask() ==
HW::Context{}.GetRenderTargetMask() &&
processor.GetUcfg().GetPrimType() == 0x35 &&
processor.GetShCtx().GetPs().ps_regs.data_addr ==
shader_address,
"clear reset state outside the Cx register domain");
processor.GetCtx().SetRenderTargetMask(0xabcdef01);
Require("Pm4ContextState", "push before processor reset",
invoke(ContextStateOperation::Push) == Pm4ProcessResult::Complete,
"push before reset failed");
processor.Reset();
processor.GetCtx().SetRenderTargetMask(0x76543210);
Require("Pm4ContextState", "processor reset discards push",
invoke(ContextStateOperation::Push) == Pm4ProcessResult::Complete &&
invoke(ContextStateOperation::Pop) == Pm4ProcessResult::Complete &&
processor.GetCtx().GetRenderTargetMask() == 0x76543210,
"processor reset retained an invalid saved Cx state");
processor.GetCtx().SetRenderTargetMask(0x0badc0de);
Require("Pm4ContextState", "push before clear-state packet",
invoke(ContextStateOperation::Push) ==
Pm4ProcessResult::Complete,
"push before CLEAR_STATE failed");
processor.GetCtx().SetRenderTargetMask(0xfeedface);
std::array<uint32_t, 2> clear_state_packet{0xc0001200, 0};
Pm4Execution clear_state_execution;
Require("Pm4ContextState", "clear-state packet",
processor.Process(
clear_state_execution, clear_state_packet.data(),
clear_state_packet.size()) == Pm4ProcessResult::Complete &&
processor.GetCtx().GetRenderTargetMask() ==
HW::Context{}.GetRenderTargetMask(),
"CLEAR_STATE did not clear the current Cx state");
Require("Pm4ContextState", "pop after clear-state packet",
invoke(ContextStateOperation::Pop) ==
Pm4ProcessResult::Complete &&
processor.GetCtx().GetRenderTargetMask() == 0x0badc0de,
"CLEAR_STATE discarded the pushed Cx state");
Require("Pm4ContextState", "HLE packet size",
Gen5::GraphicsDcbContextStateOpGetSize(0) == 20 &&
Gen5::GraphicsDcbContextStateOpGetSize(1) == 108 &&
Gen5::GraphicsDcbContextStateOpGetSize(2) == 108 &&
Gen5::GraphicsDcbContextStateOpGetSize(3) == 128 &&
Gen5::GraphicsDcbContextStateOpGetSize(4) == 0,
"context-state HLE sizes do not match libSceAgc");
std::printf("[host] %-32s ok\n", "Pm4ContextState");
processor.GetCtx().SetRenderTargetMask(0xabcdef01);
Require("Pm4ContextState", "push before processor reset",
invoke(ContextStateOperation::Push) ==
Pm4ProcessResult::Complete,
"push before reset failed");
processor.Reset();
processor.GetCtx().SetRenderTargetMask(0x76543210);
Require("Pm4ContextState", "processor reset discards push",
invoke(ContextStateOperation::Push) ==
Pm4ProcessResult::Complete &&
invoke(ContextStateOperation::Pop) ==
Pm4ProcessResult::Complete &&
processor.GetCtx().GetRenderTargetMask() == 0x76543210,
"processor reset retained an invalid saved Cx state");
Require("Pm4ContextState", "HLE packet size",
Gen5::GraphicsDcbContextStateOpGetSize(0) == 20 &&
Gen5::GraphicsDcbContextStateOpGetSize(1) == 108 &&
Gen5::GraphicsDcbContextStateOpGetSize(2) == 108 &&
Gen5::GraphicsDcbContextStateOpGetSize(3) == 128 &&
Gen5::GraphicsDcbContextStateOpGetSize(4) == 0,
"context-state HLE sizes do not match libSceAgc");
std::printf("[host] %-32s ok\n", "Pm4ContextState");
}
void CheckPm4WaitResume(RenderContext& renderer) {