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authorMark Kettenis <kettenis@cvs.openbsd.org>2016-06-12 12:55:43 +0000
committerMark Kettenis <kettenis@cvs.openbsd.org>2016-06-12 12:55:43 +0000
commit494023bbc011eaf34cb9b91f8c8ff2420c7eb7ee (patch)
treef04deec1f655b7bc286a917320b3e7fd84ab68be /sys/dev/ofw
parent35f094a40d2d7a67758b27cb7e47044c49bd9605 (diff)
Add OF_getpropint() and OF_getpropintarray().
ok visa@, jsg@
Diffstat (limited to 'sys/dev/ofw')
-rw-r--r--sys/dev/ofw/fdt.c31
-rw-r--r--sys/dev/ofw/openfirm.h4
2 files changed, 33 insertions, 2 deletions
diff --git a/sys/dev/ofw/fdt.c b/sys/dev/ofw/fdt.c
index 73c997f36a8..2aa28d41278 100644
--- a/sys/dev/ofw/fdt.c
+++ b/sys/dev/ofw/fdt.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: fdt.c,v 1.11 2016/06/08 15:27:05 jsg Exp $ */
+/* $OpenBSD: fdt.c,v 1.12 2016/06/12 12:55:42 kettenis Exp $ */
/*
* Copyright (c) 2009 Dariusz Swiderski <sfires@sfires.net>
@@ -793,6 +793,35 @@ OF_getprop(int handle, char *prop, void *buf, int buflen)
return len;
}
+uint32_t
+OF_getpropint(int handle, char *prop, uint32_t defval)
+{
+ uint32_t val;
+ int len;
+
+ len = OF_getprop(handle, prop, &val, sizeof(val));
+ if (len != sizeof(val))
+ return defval;
+
+ return betoh32(val);
+}
+
+int
+OF_getpropintarray(int handle, char *prop, uint32_t *buf, int buflen)
+{
+ int len;
+ int i;
+
+ len = OF_getprop(handle, prop, buf, buflen);
+ if (len <0 || (len % sizeof(uint32_t)))
+ return -1;
+
+ for (i = 0; i < len / sizeof(uint32_t); i++)
+ buf[i] = betoh32(buf[i]);
+
+ return len;
+}
+
int
OF_nextprop(int handle, char *prop, void *nextprop)
{
diff --git a/sys/dev/ofw/openfirm.h b/sys/dev/ofw/openfirm.h
index 4b9c3cf0976..4d505deec4c 100644
--- a/sys/dev/ofw/openfirm.h
+++ b/sys/dev/ofw/openfirm.h
@@ -1,4 +1,4 @@
-/* $OpenBSD: openfirm.h,v 1.11 2016/05/16 21:12:17 kettenis Exp $ */
+/* $OpenBSD: openfirm.h,v 1.12 2016/06/12 12:55:42 kettenis Exp $ */
/* $NetBSD: openfirm.h,v 1.1 1996/09/30 16:35:10 ws Exp $ */
/*
@@ -48,6 +48,8 @@ int OF_parent(int phandle);
int OF_instance_to_package(int ihandle);
int OF_getproplen(int handle, char *prop);
int OF_getprop(int handle, char *prop, void *buf, int buflen);
+uint32_t OF_getpropint(int handle, char *, uint32_t);
+int OF_getpropintarray(int, char *, uint32_t *, int);
int OF_setprop(int, char *, const void *, int);
int OF_nextprop(int, char *, void *);
int OF_finddevice(char *name);