From: Kevin O'Connor <kevin@koconnor.net>
Date: Wed, 6 Jan 2010 00:50:04 +0000 (-0500)
Subject: Fix sign error preventing incorrect memory over 4gig calculation.
X-Git-Tag: rel-0.5.1~1
X-Git-Url: http://xenbits.xensource.com/gitweb?a=commitdiff_plain;h=669c991dde53ae0d3b6dfb0a05f22c408f76eacc;p=seabios.git

Fix sign error preventing incorrect memory over 4gig calculation.
---

diff --git a/src/post.c b/src/post.c
index 2d20ffa..fb3b37f 100644
--- a/src/post.c
+++ b/src/post.c
@@ -117,7 +117,7 @@ ram_probe(void)
 
         // Check for memory over 4Gig
         u64 high = ((inb_cmos(CMOS_MEM_HIGHMEM_LOW) << 16)
-                    | (inb_cmos(CMOS_MEM_HIGHMEM_MID) << 24)
+                    | ((u32)inb_cmos(CMOS_MEM_HIGHMEM_MID) << 24)
                     | ((u64)inb_cmos(CMOS_MEM_HIGHMEM_HIGH) << 32));
         RamSizeOver4G = high;
         add_e820(0x100000000ull, high, E820_RAM);