Merge pull request #12927 from german77/cheat-pause

dmnt: cheat: Add pause and resume support

src/core/memory/cheat_engine.cpp

@@ -11,6 +11,7 @@
 #include "core/hle/kernel/k_page_table.h"
 #include "core/hle/kernel/k_process.h"
 #include "core/hle/kernel/k_process_page_table.h"
+#include "core/hle/kernel/svc_types.h"
 #include "core/hle/service/hid/hid_server.h"
 #include "core/hle/service/sm/sm.h"
 #include "core/memory.h"
@@ -87,6 +88,20 @@ u64 StandardVmCallbacks::HidKeysDown() {
     return static_cast<u64>(press_state & HID::NpadButton::All);
 }
 
+void StandardVmCallbacks::PauseProcess() {
+    if (system.ApplicationProcess()->IsSuspended()) {
+        return;
+    }
+    system.ApplicationProcess()->SetActivity(Kernel::Svc::ProcessActivity::Paused);
+}
+
+void StandardVmCallbacks::ResumeProcess() {
+    if (!system.ApplicationProcess()->IsSuspended()) {
+        return;
+    }
+    system.ApplicationProcess()->SetActivity(Kernel::Svc::ProcessActivity::Runnable);
+}
+
 void StandardVmCallbacks::DebugLog(u8 id, u64 value) {
     LOG_INFO(CheatEngine, "Cheat triggered DebugLog: ID '{:01X}' Value '{:016X}'", id, value);
 }

src/core/memory/cheat_engine.h

@@ -30,6 +30,8 @@ public:
     void MemoryReadUnsafe(VAddr address, void* data, u64 size) override;
     void MemoryWriteUnsafe(VAddr address, const void* data, u64 size) override;
     u64 HidKeysDown() override;
+    void PauseProcess() override;
+    void ResumeProcess() override;
     void DebugLog(u8 id, u64 value) override;
     void CommandLog(std::string_view data) override;
 

src/core/memory/dmnt_cheat_vm.cpp

@@ -1205,9 +1205,9 @@ void DmntCheatVm::Execute(const CheatProcessMetadata& metadata) {
                 static_registers[rw_static_reg->static_idx] = registers[rw_static_reg->idx];
             }
         } else if (std::holds_alternative<PauseProcessOpcode>(cur_opcode.opcode)) {
-            // TODO: Pause cheat process
+            callbacks->PauseProcess();
         } else if (std::holds_alternative<ResumeProcessOpcode>(cur_opcode.opcode)) {
-            // TODO: Resume cheat process
+            callbacks->ResumeProcess();
         } else if (auto debug_log = std::get_if<DebugLogOpcode>(&cur_opcode.opcode)) {
             // Read value from memory.
             u64 log_value = 0;

src/core/memory/dmnt_cheat_vm.h

@@ -271,6 +271,9 @@ public:
 
         virtual u64 HidKeysDown() = 0;
 
+        virtual void PauseProcess() = 0;
+        virtual void ResumeProcess() = 0;
+
         virtual void DebugLog(u8 id, u64 value) = 0;
         virtual void CommandLog(std::string_view data) = 0;
     };