From: Eric Van Hensbergen <Eric.VanHensbergen@ARM.com>
Date: Thu, 17 Oct 2013 15:20:45 +0000 (-0500)
Subject: arm: Accomodate function name changes in newer linux kernels
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=bfdd031c0de3963c111488279905f0772f9f5319;p=gem5.git

arm: Accomodate function name changes in newer linux kernels
---

diff --git a/src/arch/arm/linux/system.cc b/src/arch/arm/linux/system.cc
index e714cc913..bc7fd2cb6 100644
--- a/src/arch/arm/linux/system.cc
+++ b/src/arch/arm/linux/system.cc
@@ -80,13 +80,20 @@ LinuxArmSystem::LinuxArmSystem(Params *p)
     }
 
     // With ARM udelay() is #defined to __udelay
-    uDelaySkipEvent = addKernelFuncEventOrPanic<UDelayEvent>(
-        "__udelay", "__udelay", 1000, 0);
+    // newer kernels use __loop_udelay and __loop_const_udelay symbols
+    uDelaySkipEvent = addKernelFuncEvent<UDelayEvent>(
+        "__loop_udelay", "__udelay", 1000, 0);
+    if(!uDelaySkipEvent)
+        uDelaySkipEvent = addKernelFuncEventOrPanic<UDelayEvent>(
+         "__udelay", "__udelay", 1000, 0);
 
     // constant arguments to udelay() have some precomputation done ahead of
     // time. Constant comes from code.
-    constUDelaySkipEvent = addKernelFuncEventOrPanic<UDelayEvent>(
-        "__const_udelay", "__const_udelay", 1000, 107374);
+    constUDelaySkipEvent = addKernelFuncEvent<UDelayEvent>(
+        "__loop_const_udelay", "__const_udelay", 1000, 107374);
+    if(!constUDelaySkipEvent)
+        constUDelaySkipEvent = addKernelFuncEventOrPanic<UDelayEvent>(
+         "__const_udelay", "__const_udelay", 1000, 107374);
 
     secDataPtrAddr = 0;
     secDataAddr = 0;