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debug: add CLI option to have multi-core interpreter (#1553)

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This option still allows you to have proper stack traces for crashes or for the PPC debugger, but is a lot faster then the really slow interpreter (especially when loading into large games like BotW where there has to be a lot of asset decompressing). It makes memory access breakpoints much more brittle though, so it's not a perfect option.

Normal users should of course stick with using the recompiler.
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Crementif 2025-05-04 18:04:26 +02:00 • committed by GitHub
parent d083fc0470
commit 352a918494
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GPG key ID: B5690EEEBB952194
4 changed files with 10 additions and 4 deletions
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6
src/config/LaunchSettings.cpp
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@ -69,7 +69,8 @@ bool LaunchSettings::HandleCommandline(const std::vector<std::wstring>& args)
("account,a", po::value<std::string>(), "Persistent id of account")
("force-interpreter", po::value<bool>()->implicit_value(true), "Force interpreter CPU emulation, disables recompiler")
("force-interpreter", po::value<bool>()->implicit_value(true), "Force interpreter CPU emulation, disables recompiler. Useful for debugging purposes where you want to get accurate memory accesses and stack traces.")
("force-multicore-interpreter", po::value<bool>()->implicit_value(true), "Force multi-core interpreter CPU emulation, disables recompiler. Only useful for getting stack traces, but slightly faster than the single-core interpreter mode.")
("enable-gdbstub", po::value<bool>()->implicit_value(true), "Enable GDB stub to debug executables inside Cemu using an external debugger");
po::options_description hidden{ "Hidden options" };
@ -176,6 +177,9 @@ bool LaunchSettings::HandleCommandline(const std::vector<std::wstring>& args)
if(vm.count("force-interpreter"))
s_force_interpreter = vm["force-interpreter"].as<bool>();
if(vm.count("force-multicore-interpreter"))
s_force_multicore_interpreter = vm["force-multicore-interpreter"].as<bool>();
if (vm.count("enable-gdbstub"))
s_enable_gdbstub = vm["enable-gdbstub"].as<bool>();