X-Git-Url: http://v3vee.org/palacios/gitweb/gitweb.cgi?a=blobdiff_plain;f=linux_usr%2Fv3_ctrl.c;h=54e8df71fe2c033aff0f69c694c6e4c5f94a2434;hb=4e43946f01f687361197dc9571b7df02ae20de30;hp=0183a95923ece36019a9eedf33d1c576165c3b37;hpb=008fdde9a6a6ec65b7647d9eec487448094d7f18;p=palacios.git

diff --git a/linux_usr/v3_ctrl.c b/linux_usr/v3_ctrl.c
index 0183a95..54e8df7 100644
--- a/linux_usr/v3_ctrl.c
+++ b/linux_usr/v3_ctrl.c
@@ -150,3 +150,24 @@ int stop_vm (const char * filename) {
 
     return 0;
 }
+
+
+/*
+ * generic ELF header buffer hash function. 
+ * Mirrors internal Palacios implementation
+ */
+unsigned long v3_hash_buffer (unsigned char * msg, unsigned int len) {
+    unsigned long hash = 0;
+    unsigned long temp = 0;
+    unsigned int i;
+
+    for (i = 0; i < len; i++) {
+        hash = (hash << 4) + *(msg + i) + i;
+        if ((temp = (hash & 0xF0000000))) {
+            hash ^= (temp >> 24);
+        }
+        hash &= ~temp;
+    }
+    return hash;
+}
+