From 3f5ee1cf8c9e840426e3110644180fed5a1dbcb0 Mon Sep 17 00:00:00 2001
From: Krishnendra Nathella <Krishnendra.Nathella@arm.com>
Date: Fri, 7 Sep 2012 14:20:53 -0500
Subject: sim: add validation to make sure there is memory where we're loading
 the kernel

---
 src/sim/system.cc | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/src/sim/system.cc b/src/sim/system.cc
index 2dd4d41bd..4871ac824 100644
--- a/src/sim/system.cc
+++ b/src/sim/system.cc
@@ -266,6 +266,13 @@ System::initState()
          * Load the kernel code into memory
          */
         if (params()->kernel != "")  {
+            // Validate kernel mapping before loading binary
+            if (!(isMemAddr(kernelStart & loadAddrMask) &&
+                            isMemAddr(kernelEnd & loadAddrMask))) {
+                fatal("Kernel is mapped to invalid location (not memory). "
+                      "kernelStart 0x(%x) - kernelEnd 0x(%x)\n", kernelStart,
+                      kernelEnd);
+            }
             // Load program sections into memory
             kernel->loadSections(physProxy, loadAddrMask);
 
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