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[src/trunk]: src/sys/dev/ofw Add of_getprop_uint64
details: https://anonhg.NetBSD.org/src/rev/81715aa6a236
branches: trunk
changeset: 365602:81715aa6a236
user: jmcneill <jmcneill%NetBSD.org@localhost>
date: Thu Aug 23 13:24:44 2018 +0000
description:
Add of_getprop_uint64
diffstat:
sys/dev/ofw/ofw_subr.c | 22 ++++++++++++++++++++--
sys/dev/ofw/openfirm.h | 3 ++-
2 files changed, 22 insertions(+), 3 deletions(-)
diffs (56 lines):
diff -r a2a27a27ccd5 -r 81715aa6a236 sys/dev/ofw/ofw_subr.c
--- a/sys/dev/ofw/ofw_subr.c Thu Aug 23 12:18:02 2018 +0000
+++ b/sys/dev/ofw/ofw_subr.c Thu Aug 23 13:24:44 2018 +0000
@@ -1,4 +1,4 @@
-/* $NetBSD: ofw_subr.c,v 1.31 2018/06/26 06:24:52 thorpej Exp $ */
+/* $NetBSD: ofw_subr.c,v 1.32 2018/08/23 13:24:44 jmcneill Exp $ */
/*
* Copyright 1998
@@ -34,7 +34,7 @@
*/
#include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: ofw_subr.c,v 1.31 2018/06/26 06:24:52 thorpej Exp $");
+__KERNEL_RCSID(0, "$NetBSD: ofw_subr.c,v 1.32 2018/08/23 13:24:44 jmcneill Exp $");
#include <sys/param.h>
#include <sys/systm.h>
@@ -531,3 +531,21 @@
*val = be32toh(v);
return 0;
}
+
+/*
+ * Get the value of a uint64 property, compensating for host byte order.
+ * Returns 0 on success, non-zero on failure.
+ */
+int
+of_getprop_uint64(int node, const char *prop, uint64_t *val)
+{
+ uint64_t v;
+ int len;
+
+ len = OF_getprop(node, prop, &v, sizeof(v));
+ if (len != sizeof(v))
+ return -1;
+
+ *val = be64toh(v);
+ return 0;
+}
diff -r a2a27a27ccd5 -r 81715aa6a236 sys/dev/ofw/openfirm.h
--- a/sys/dev/ofw/openfirm.h Thu Aug 23 12:18:02 2018 +0000
+++ b/sys/dev/ofw/openfirm.h Thu Aug 23 13:24:44 2018 +0000
@@ -1,4 +1,4 @@
-/* $NetBSD: openfirm.h,v 1.36 2017/07/03 00:47:34 jmcneill Exp $ */
+/* $NetBSD: openfirm.h,v 1.37 2018/08/23 13:24:44 jmcneill Exp $ */
/*
* Copyright (C) 1995, 1996 Wolfgang Solfrank.
@@ -130,5 +130,6 @@
bool of_hasprop(int, const char *);
#define of_getprop_bool of_hasprop
int of_getprop_uint32(int, const char *, uint32_t *);
+int of_getprop_uint64(int, const char *, uint64_t *);
#endif /*_OPENFIRM_H_*/
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