[src/trunk]: src/sys/arch/powerpc/oea detect if we netboot and set booted_dev...

[macallan <macallan%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/07efb50f2a31
branches:  trunk
changeset: 830286:07efb50f2a31
user:      macallan <macallan%NetBSD.org@localhost>
date:      Sun Mar 04 00:21:20 2018 +0000

description:
detect if we netboot and set booted_device accordingly

diffstat:

 sys/arch/powerpc/oea/ofw_autoconf.c |  23 ++++++++++++++++++-----
 1 files changed, 18 insertions(+), 5 deletions(-)

diffs (73 lines):

diff -r 7e28adb8d306 -r 07efb50f2a31 sys/arch/powerpc/oea/ofw_autoconf.c
--- a/sys/arch/powerpc/oea/ofw_autoconf.c       Sun Mar 04 00:17:05 2018 +0000
+++ b/sys/arch/powerpc/oea/ofw_autoconf.c       Sun Mar 04 00:21:20 2018 +0000
@@ -1,4 +1,4 @@
-/* $NetBSD: ofw_autoconf.c,v 1.20 2014/02/18 12:27:15 macallan Exp $ */
+/* $NetBSD: ofw_autoconf.c,v 1.21 2018/03/04 00:21:20 macallan Exp $ */
 /*
  * Copyright (C) 1995, 1996 Wolfgang Solfrank.
  * Copyright (C) 1995, 1996 TooLs GmbH.
@@ -31,7 +31,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: ofw_autoconf.c,v 1.20 2014/02/18 12:27:15 macallan Exp $");
+__KERNEL_RCSID(0, "$NetBSD: ofw_autoconf.c,v 1.21 2018/03/04 00:21:20 macallan Exp $");
 
 #ifdef ofppc
 #include "gtpci.h"
@@ -67,6 +67,7 @@
 
 extern char bootpath[256];
 char cbootpath[256];
+static int boot_node = 0;      /* points at boot device if we netboot */
 
 static void canonicalize_bootpath(void);
 
@@ -88,9 +89,9 @@
 static void
 canonicalize_bootpath(void)
 {
-       int node;
+       int node, len;
        char *p, *lastp;
-       char last[32];
+       char last[32], type[32];
 
        /*
         * If the bootpath doesn't start with a / then it isn't
@@ -104,7 +105,6 @@
                if (aliases != 0) {
                        char *cp1, *cp2, *cp;
                        char saved_ch = '\0';
-                       int len;
                        cp1 = strchr(bootpath, ':');
                        cp2 = strchr(bootpath, ',');
                        cp = cp1;
@@ -151,6 +151,15 @@
                return;
        }
 
+       /* see if we netbooted */
+       len = OF_getprop(node, "device_type", type, sizeof(type) - 1);
+       if (len > -1) {
+               type[len] = 0;
+               if (strcmp(type, "network") == 0) {
+                       boot_node = node;
+               }
+       }
+
        /*
         * cbootpath is a valid OF path.  Use package-to-path to
         * canonicalize pathname.
@@ -326,6 +335,10 @@
 
                        prop_dictionary_set_uint32(dict, "device_node", node);
 
+                       if (node == boot_node) {
+                               /* we netbooted from whatever this is */
+                               booted_device = dev;
+                       }
                        /* see if this is going to be console */
                        memset(name, 0, sizeof(name));
                        OF_getprop(node, "device_type", name, sizeof(name));