From 6377585edb43009e464d4c04b4a35720b5f9d020 Mon Sep 17 00:00:00 2001
From: bunnei <bunneidev@gmail.com>
Date: Sat, 30 Sep 2017 14:16:39 -0400
Subject: arm_interface: Set TLS address for dynarmic core.

---
 src/core/arm/arm_interface.h           |  7 +++++++
 src/core/arm/dynarmic/arm_dynarmic.cpp | 14 ++++++++++++++
 src/core/arm/dynarmic/arm_dynarmic.h   |  2 ++
 src/core/arm/dyncom/arm_dyncom.cpp     |  7 +++++++
 src/core/arm/dyncom/arm_dyncom.h       |  2 ++
 5 files changed, 32 insertions(+)

(limited to 'src/core/arm')

diff --git a/src/core/arm/arm_interface.h b/src/core/arm/arm_interface.h
index b52228476..f613556dd 100644
--- a/src/core/arm/arm_interface.h
+++ b/src/core/arm/arm_interface.h
@@ -22,6 +22,9 @@ public:
         u64 fpu_registers[64];
         u64 fpscr;
         u64 fpexc;
+
+        // TODO(bunnei): Fix once we have proper support for tpidrro_el0, etc. in the JIT
+        VAddr tls_address;
     };
 
     /**
@@ -121,6 +124,10 @@ public:
      */
     virtual void SetCP15Register(CP15Register reg, u32 value) = 0;
 
+    virtual VAddr GetTlsAddress() const = 0;
+
+    virtual void SetTlsAddress(VAddr address) = 0;
+
     /**
      * Advance the CPU core by the specified number of ticks (e.g. to simulate CPU execution time)
      * @param ticks Number of ticks to advance the CPU core
diff --git a/src/core/arm/dynarmic/arm_dynarmic.cpp b/src/core/arm/dynarmic/arm_dynarmic.cpp
index 3da968344..0ea1d76e4 100644
--- a/src/core/arm/dynarmic/arm_dynarmic.cpp
+++ b/src/core/arm/dynarmic/arm_dynarmic.cpp
@@ -157,6 +157,14 @@ void ARM_Dynarmic::SetCP15Register(CP15Register reg, u32 value) {
     interpreter_state->CP15[reg] = value;
 }
 
+VAddr ARM_Dynarmic::GetTlsAddress() const {
+    return jit->TlsAddr();
+}
+
+void ARM_Dynarmic::SetTlsAddress(VAddr address) {
+    jit->TlsAddr() = address;
+}
+
 void ARM_Dynarmic::AddTicks(u64 ticks) {
     down_count -= ticks;
     if (down_count < 0) {
@@ -185,6 +193,9 @@ void ARM_Dynarmic::SaveContext(ARM_Interface::ThreadContext& ctx) {
 
     ctx.fpscr = jit->Fpscr();
     ctx.fpexc = interpreter_state->VFP[VFP_FPEXC];
+
+    // TODO(bunnei): Fix once we have proper support for tpidrro_el0, etc. in the JIT
+    ctx.tls_address = jit->TlsAddr();
 }
 
 void ARM_Dynarmic::LoadContext(const ARM_Interface::ThreadContext& ctx) {
@@ -198,6 +209,9 @@ void ARM_Dynarmic::LoadContext(const ARM_Interface::ThreadContext& ctx) {
 
     jit->SetFpscr(ctx.fpscr);
     interpreter_state->VFP[VFP_FPEXC] = ctx.fpexc;
+
+    // TODO(bunnei): Fix once we have proper support for tpidrro_el0, etc. in the JIT
+    jit->TlsAddr() = ctx.tls_address;
 }
 
 void ARM_Dynarmic::PrepareReschedule() {
diff --git a/src/core/arm/dynarmic/arm_dynarmic.h b/src/core/arm/dynarmic/arm_dynarmic.h
index f77548d0f..fcdc1c0e0 100644
--- a/src/core/arm/dynarmic/arm_dynarmic.h
+++ b/src/core/arm/dynarmic/arm_dynarmic.h
@@ -26,6 +26,8 @@ public:
     void SetCPSR(u32 cpsr) override;
     u32 GetCP15Register(CP15Register reg) override;
     void SetCP15Register(CP15Register reg, u32 value) override;
+    VAddr GetTlsAddress() const override;
+    void SetTlsAddress(VAddr address) override;
 
     void AddTicks(u64 ticks) override;
 
diff --git a/src/core/arm/dyncom/arm_dyncom.cpp b/src/core/arm/dyncom/arm_dyncom.cpp
index 1c55496b5..99758fc2a 100644
--- a/src/core/arm/dyncom/arm_dyncom.cpp
+++ b/src/core/arm/dyncom/arm_dyncom.cpp
@@ -73,6 +73,13 @@ void ARM_DynCom::SetCP15Register(CP15Register reg, u32 value) {
     state->CP15[reg] = value;
 }
 
+VAddr ARM_DynCom::GetTlsAddress() const {
+    return {};
+}
+
+void ARM_DynCom::SetTlsAddress(VAddr /*address*/) {
+}
+
 void ARM_DynCom::AddTicks(u64 ticks) {
     down_count -= ticks;
     if (down_count < 0)
diff --git a/src/core/arm/dyncom/arm_dyncom.h b/src/core/arm/dyncom/arm_dyncom.h
index 90cc56c41..44e674ae2 100644
--- a/src/core/arm/dyncom/arm_dyncom.h
+++ b/src/core/arm/dyncom/arm_dyncom.h
@@ -29,6 +29,8 @@ public:
     void SetCPSR(u32 cpsr) override;
     u32 GetCP15Register(CP15Register reg) override;
     void SetCP15Register(CP15Register reg, u32 value) override;
+    VAddr GetTlsAddress() const override;
+    void SetTlsAddress(VAddr address) override;
 
     void AddTicks(u64 ticks) override;
 
-- 
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