From: Wei Liu <wei.liu2@citrix.com>
Date: Wed, 9 Aug 2017 12:15:48 +0000 (+0100)
Subject: lib/math.c: implement __udivmoddi4
X-Git-Tag: xen-4.10.0-rc1~3
X-Git-Url: http://xenbits.xensource.com/gitweb?a=commitdiff_plain;h=d991bdbc062248221511ecb795617c36b37e1d2e;p=mini-os.git

lib/math.c: implement __udivmoddi4

Some code compiled by gcc 7 requires this.

Signed-off-by: Wei Liu <wei.liu2@citrix.com>
Reviewed-by: Samuel Thibault <samuel.thibault@ens-lyon.org>
---

diff --git a/lib/math.c b/lib/math.c
index 561393e..b98cc1d 100644
--- a/lib/math.c
+++ b/lib/math.c
@@ -6,6 +6,7 @@
  *        File: math.c
  *      Author: Rolf Neugebauer (neugebar@dcs.gla.ac.uk)
  *     Changes: 
+ *        Implement __udivmoddi4 (Wei Liu <wei.liu2@citrix.com>)
  *              
  *        Date: Aug 2003
  * 
@@ -396,6 +397,15 @@ __umoddi3(u_quad_t a, u_quad_t b)
 	return (r);
 }
 
+/*
+ * Returns the quotient and places remainder in r
+ */
+u_quad_t
+__udivmoddi4(u_quad_t a, u_quad_t b, u_quad_t *r)
+{
+	return __qdivrem(a, b, r);
+}
+
 /*
  * From
  * moddi3.c