7 files changed, 17 insertions, 0 deletions
diff --git a/src/core/arm/arm_interface.h b/src/core/arm/arm_interface.h
index dc9b2ff7b..e5c484336 100644
--- a/src/core/arm/arm_interface.h
+++ b/src/core/arm/arm_interface.h
@@ -148,6 +148,8 @@ public:
      */
     virtual void SetTPIDR_EL0(u64 value) = 0;
 
+    virtual void ChangeProcessorId(std::size_t new_core_id) = 0;
+
     virtual void SaveContext(ThreadContext32& ctx) = 0;
     virtual void SaveContext(ThreadContext64& ctx) = 0;
     virtual void LoadContext(const ThreadContext32& ctx) = 0;
diff --git a/src/core/arm/dynarmic/arm_dynarmic_32.cpp b/src/core/arm/dynarmic/arm_dynarmic_32.cpp
index f36c5f401..9c47c133c 100644
--- a/src/core/arm/dynarmic/arm_dynarmic_32.cpp
+++ b/src/core/arm/dynarmic/arm_dynarmic_32.cpp
@@ -165,6 +165,10 @@ void ARM_Dynarmic_32::SetTPIDR_EL0(u64 value) {
     cp15->uprw = static_cast<u32>(value);
 }
 
+void ARM_Dynarmic_32::ChangeProcessorId(std::size_t new_core_id) {
+    // jit->ChangeProcessorId(new_core_id);
+}
+
 void ARM_Dynarmic_32::SaveContext(ThreadContext32& ctx) {
     Dynarmic::A32::Context context;
     jit->SaveContext(context);
diff --git a/src/core/arm/dynarmic/arm_dynarmic_32.h b/src/core/arm/dynarmic/arm_dynarmic_32.h
index 2dd9a4df0..bea4933c8 100644
--- a/src/core/arm/dynarmic/arm_dynarmic_32.h
+++ b/src/core/arm/dynarmic/arm_dynarmic_32.h
@@ -47,6 +47,7 @@ public:
     void SetTlsAddress(VAddr address) override;
     void SetTPIDR_EL0(u64 value) override;
     u64 GetTPIDR_EL0() const override;
+    void ChangeProcessorId(std::size_t new_core_id) override;
 
     void SaveContext(ThreadContext32& ctx) override;
     void SaveContext(ThreadContext64& ctx) override {}
diff --git a/src/core/arm/dynarmic/arm_dynarmic_64.cpp b/src/core/arm/dynarmic/arm_dynarmic_64.cpp
index 8401ba631..03b3313cf 100644
--- a/src/core/arm/dynarmic/arm_dynarmic_64.cpp
+++ b/src/core/arm/dynarmic/arm_dynarmic_64.cpp
@@ -258,6 +258,10 @@ void ARM_Dynarmic_64::SetTPIDR_EL0(u64 value) {
     cb->tpidr_el0 = value;
 }
 
+void ARM_Dynarmic_64::ChangeProcessorId(std::size_t new_core_id) {
+    jit->ChangeProcessorId(new_core_id);
+}
+
 void ARM_Dynarmic_64::SaveContext(ThreadContext64& ctx) {
     ctx.cpu_registers = jit->GetRegisters();
     ctx.sp = jit->GetSP();
diff --git a/src/core/arm/dynarmic/arm_dynarmic_64.h b/src/core/arm/dynarmic/arm_dynarmic_64.h
index 1c6791d4e..c26b47249 100644
--- a/src/core/arm/dynarmic/arm_dynarmic_64.h
+++ b/src/core/arm/dynarmic/arm_dynarmic_64.h
@@ -46,6 +46,7 @@ public:
     void SetTlsAddress(VAddr address) override;
     void SetTPIDR_EL0(u64 value) override;
     u64 GetTPIDR_EL0() const override;
+    void ChangeProcessorId(std::size_t new_core_id) override;
 
     void SaveContext(ThreadContext32& ctx) override {}
     void SaveContext(ThreadContext64& ctx) override;
diff --git a/src/core/arm/unicorn/arm_unicorn.cpp b/src/core/arm/unicorn/arm_unicorn.cpp
index d81d1b5b0..099229c8d 100644
--- a/src/core/arm/unicorn/arm_unicorn.cpp
+++ b/src/core/arm/unicorn/arm_unicorn.cpp
@@ -159,6 +159,10 @@ void ARM_Unicorn::SetTPIDR_EL0(u64 value) {
     CHECKED(uc_reg_write(uc, UC_ARM64_REG_TPIDR_EL0, &value));
 }
 
+void ARM_Unicorn::ChangeProcessorId(std::size_t new_core_id) {
+    core_index = new_core_id;
+}
+
 void ARM_Unicorn::Run() {
     if (GDBStub::IsServerEnabled()) {
         ExecuteInstructions(std::max(4000000U, 0U));
diff --git a/src/core/arm/unicorn/arm_unicorn.h b/src/core/arm/unicorn/arm_unicorn.h
index e3da368de..f09b24a85 100644
--- a/src/core/arm/unicorn/arm_unicorn.h
+++ b/src/core/arm/unicorn/arm_unicorn.h
@@ -36,6 +36,7 @@ public:
     void SetTlsAddress(VAddr address) override;
     void SetTPIDR_EL0(u64 value) override;
     u64 GetTPIDR_EL0() const override;
+    void ChangeProcessorId(std::size_t new_core_id) override;
     void PrepareReschedule() override;
     void ClearExclusiveState() override;
     void ExecuteInstructions(std::size_t num_instructions);