From e8a17ee6fdf7ab653be32f52afb10f0dafdf61c1 Mon Sep 17 00:00:00 2001
From: bunnei <ericbunnie@gmail.com>
Date: Sun, 1 Jun 2014 21:40:10 -0400
Subject: arm: added option to prepare CPU core (while mid-instruction) for
 thread reschedule

---
 src/core/arm/interpreter/arm_interpreter.cpp | 5 +++++
 src/core/arm/interpreter/arm_interpreter.h   | 3 +++
 2 files changed, 8 insertions(+)

(limited to 'src/core/arm/interpreter')

diff --git a/src/core/arm/interpreter/arm_interpreter.cpp b/src/core/arm/interpreter/arm_interpreter.cpp
index 17f787b86..2aa100e86 100644
--- a/src/core/arm/interpreter/arm_interpreter.cpp
+++ b/src/core/arm/interpreter/arm_interpreter.cpp
@@ -140,3 +140,8 @@ void ARM_Interpreter::LoadContext(const ThreadContext& ctx) {
     state->Reg[15] = ctx.pc;
     state->NextInstr = RESUME;
 }
+
+/// Prepare core for thread reschedule (if needed to correctly handle state)
+void ARM_Interpreter::PrepareReschedule() {
+    state->NumInstrsToExecute = 0;
+}
diff --git a/src/core/arm/interpreter/arm_interpreter.h b/src/core/arm/interpreter/arm_interpreter.h
index 6a531e497..1e82883a2 100644
--- a/src/core/arm/interpreter/arm_interpreter.h
+++ b/src/core/arm/interpreter/arm_interpreter.h
@@ -72,6 +72,9 @@ public:
      */
     void LoadContext(const ThreadContext& ctx);
 
+    /// Prepare core for thread reschedule (if needed to correctly handle state)
+    void PrepareReschedule();
+
 protected:
 
     /**
-- 
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