From 1b505f529142882fa191f1be23e17ee37b6885c9 Mon Sep 17 00:00:00 2001
From: Prakash Ramrakhyani <Prakash.Ramrakhyani@arm.com>
Date: Wed, 4 May 2011 20:38:28 -0500
Subject: ARM: Implement WFE/WFI/SEV semantics.

---
 src/arch/arm/interrupts.hh | 13 +++++++++++++
 1 file changed, 13 insertions(+)

(limited to 'src/arch/arm/interrupts.hh')

diff --git a/src/arch/arm/interrupts.hh b/src/arch/arm/interrupts.hh
index 884bb7b9f..16a5a1f3d 100644
--- a/src/arch/arm/interrupts.hh
+++ b/src/arch/arm/interrupts.hh
@@ -137,6 +137,19 @@ class Interrupts : public SimObject
                 (interrupts[INT_RST]));
     }
 
+    /**
+     * Check the raw interrupt state.
+     * This function is used to check if a wfi operation should sleep. If there
+     * is an interrupt pending, even if it's masked, wfi doesn't sleep.
+     * @return any interrupts pending
+     */
+    bool
+    checkRaw() const
+    {
+        return intStatus;
+    }
+
+
     Fault
     getInterrupt(ThreadContext *tc)
     {
-- 
cgit v1.2.3