sim: add validation to make sure there is memory where we're loading the kernel

2012-09-07 14:20:53 -05:00 · 2012-09-07 14:20:53 -05:00 · 3f5ee1cf8c
parent 3742b19b36
commit 3f5ee1cf8c
1 changed files with 7 additions and 0 deletions
--- 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);