From 63127cbf37ac9b37096c5ede06c929069a5ceb49 Mon Sep 17 00:00:00 2001
From: Steve Reinhardt <Steve.Reinhardt@amd.com>
Date: Mon, 10 Nov 2008 14:11:07 -0800
Subject: mem: Assert that requests have non-negative size. Would have saved me
 much debugging time if these had been in there previously.

---
 src/base/chunk_generator.hh | 1 +
 src/mem/request.hh          | 2 ++
 2 files changed, 3 insertions(+)

diff --git a/src/base/chunk_generator.hh b/src/base/chunk_generator.hh
index e8238464b..d2ae45d1e 100644
--- a/src/base/chunk_generator.hh
+++ b/src/base/chunk_generator.hh
@@ -82,6 +82,7 @@ class ChunkGenerator
     {
         // chunkSize must be a power of two
         assert(chunkSize == 0 || isPowerOf2(chunkSize));
+        assert(totalSize >= 0);
 
         // set up initial chunk.
         curAddr = startAddr;
diff --git a/src/mem/request.hh b/src/mem/request.hh
index da0d9c7e0..d1e011c7d 100644
--- a/src/mem/request.hh
+++ b/src/mem/request.hh
@@ -172,6 +172,7 @@ class Request : public FastAlloc
      * allocated Request object. */
     void setPhys(Addr _paddr, int _size, int _flags)
     {
+        assert(_size >= 0);
         paddr = _paddr;
         size = _size;
         flags = _flags;
@@ -188,6 +189,7 @@ class Request : public FastAlloc
      * allocated Request object. */
     void setVirt(int _asid, Addr _vaddr, int _size, int _flags, Addr _pc)
     {
+        assert(_size >= 0);
         asid = _asid;
         vaddr = _vaddr;
         size = _size;
-- 
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