Module Name: src
Committed By: palle
Date: Sun Jan 11 13:40:22 UTC 2015
Modified Files:
src/sys/arch/sparc64/sparc64: mdesc.c
Log Message:
sun4v: hv_mach_desc() needs a buffer length of zero to return the actual length
- this also fixes the failing sparc GENERIC_SUN4U build
To generate a diff of this commit:
cvs rdiff -u -r1.1 -r1.2 src/sys/arch/sparc64/sparc64/mdesc.c
Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.
Modified files:
Index: src/sys/arch/sparc64/sparc64/mdesc.c
diff -u src/sys/arch/sparc64/sparc64/mdesc.c:1.1 src/sys/arch/sparc64/sparc64/mdesc.c:1.2
--- src/sys/arch/sparc64/sparc64/mdesc.c:1.1 Sat Jan 10 22:19:26 2015
+++ src/sys/arch/sparc64/sparc64/mdesc.c Sun Jan 11 13:40:22 2015
@@ -1,4 +1,4 @@
-/* $NetBSD: mdesc.c,v 1.1 2015/01/10 22:19:26 palle Exp $ */
+/* $NetBSD: mdesc.c,v 1.2 2015/01/11 13:40:22 palle Exp $ */
/* $OpenBSD: mdesc.c,v 1.7 2014/11/30 22:26:15 kettenis Exp $ */
/*
* Copyright (c) 2009 Mark Kettenis
@@ -42,7 +42,9 @@ mdesc_init(void)
vaddr_t va;
int err;
- hv_mach_desc((paddr_t)NULL, &len);
+ pa = 0;
+ len = 0; /* trick to determine actual buffer size */
+ hv_mach_desc(pa, &len);
KASSERT(len != 0);
again:
