Add qemu 2.4.0

Change-Id: Ic99cbad4b61f8b127b7dc74d04576c0bcbaaf4f5
Signed-off-by: Yang Zhang <yang.z.zhang@intel.com>

1 files changed, 47 insertions, 0 deletions

diff --git a/qemu/roms/openbios/utils/devbios/comp.c b/qemu/roms/openbios/utils/devbios/comp.c
new file mode 100644
index 000000000..9d2acb147
--- /dev/null
+++ b/qemu/roms/openbios/utils/devbios/comp.c
@@ -0,0 +1,47 @@
+/* Simple utility to compare 2 files.
+ * Diff or cmp are not sufficient, when
+ * comparing bioses :-)
+ *
+ * Copyright (c) 1998-2000 by Stefan Reinauer
+ */
+
+
+#include <stdio.h>
+
+int main (int argc, char *argv[])
+{
+   FILE *eins,*zwei;
+   int a,b,i=0,flag=0;
+
+   if(argv[1]==NULL||argv[2]==NULL) {
+	printf ("Usage: %s file1 file2\n  %s compares two files.\n",argv[0],argv[0]);
+	return 0;
+   }
+   eins=fopen(argv[1],"r");
+   zwei=fopen(argv[2],"r");
+
+   if (eins==NULL) {
+	printf ("File %s not found or unreadable.\n",argv[1]);
+	return 0;
+   }
+   if (zwei==NULL) {
+	printf ("File %s not found or unreadable.\n",argv[2]);
+	fclose (eins);
+	return 0;
+   }
+
+   while (!feof(eins)) {
+	a=fgetc(eins);
+	b=fgetc(zwei);
+	if (flag==0 && (a==-1||b==-1) && (a!=-1||b!=-1)) {
+		printf ("One file ended. Printing the rest of the other.\n");
+		flag=1;
+	}
+	if(a!=b) printf ("0x%06x: 0x%02x -> 0x%02x\n",i,a,b);
+	i++;
+   }
+
+   fclose(eins);
+   fclose(zwei);
+   return 0;
+}