add preinit modularization work by Daniel Dickinson (cshore)

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@19331 3c298f89-4303-0410-b956-a3cf2f4a3e73

7 files changed, 120 insertions, 71 deletions

diff --git a/target/linux/brcm-2.4/base-files/etc/preinit.arch b/target/linux/brcm-2.4/base-files/etc/preinit.arch
deleted file mode 100755
index e62360e44..000000000
--- a/target/linux/brcm-2.4/base-files/etc/preinit.arch
+++ /dev/null
@@ -1,71 +0,0 @@
-. /etc/functions.sh
-
-failsafe() {
-	lock /tmp/.failsafe
-	failsafe_ip
-
-	echo "0 1 2 3 4 ${cpu_port:-5u*}" > /proc/switch/eth0/vlan/0/ports
-	
-	set_state failsafe
-	[ -x "/usr/sbin/nvram" ] && {
-		[ "$(nvram get boot_wait)" != "on" ] && {
-			nvram set boot_wait=on
-			nvram commit
-		}
-	}
-
-	netmsg 192.168.1.255 "Entering Failsafe!"
-	telnetd -l /bin/login.sh <> /dev/null 2>&1
-
-	ash --login
-}
-
-mount none /proc -t proc
-
-insmod diag
-set_state preinit
-echo '/sbin/hotplug.failsafe' > /proc/sys/kernel/hotplug
-
-ifname=eth0
-
-# hardware specific overrides
-case "$(cat /proc/diag/model)" in
-	"Linksys WAP54G V1") ifname=eth1;;
-	"ASUS WL-HDD") ifname=eth1;;
-	"ASUS WL-300g") ifname=eth1;;
-	"ASUS (unknown, BCM4702)") ifname=eth1;;
-	"Sitecom WL-105b") ifname=eth1;;
-esac
-
-check_module () {
-  module="$1"; shift; params="$*"
-
-  insmod "$module" "$params"
-  sleep 1
-  grep "^$module" /proc/modules
-  return $?
-}
-
-check_module tg3
-failsafe_ip
-
-insmod switch-core
-check_module switch-robo || check_module switch-adm  || { 
-  check_module bcm57xx activate_gpio=0x4 && cpu_port="8u*"
-} || rmmod switch-core
-
-[ -d /proc/switch/eth0 ] && {
-	echo 1 > /proc/switch/eth0/reset
-
-	# this would be easier if we blasted the message across all ports
-	# but we don't want packets leaking across interfaces
-	for port in $(seq 0 4); do {
-		echo "$port ${cpu_port:-5u*}" > /proc/switch/eth0/vlan/0/ports
-		netmsg 192.168.1.255 "Press reset now, to enter Failsafe!"
-	}; done
-} || netmsg 192.168.1.255 "Press reset now, to enter Failsafe!"
-
-ifconfig $ifname 0.0.0.0 down
-
-sleep 2
-
diff --git a/target/linux/brcm-2.4/base-files/lib/preinit/03_init_hotplug_failsafe_brcm-2.4 b/target/linux/brcm-2.4/base-files/lib/preinit/03_init_hotplug_failsafe_brcm-2.4
new file mode 100644
index 000000000..b0f4a4efa
--- /dev/null
+++ b/target/linux/brcm-2.4/base-files/lib/preinit/03_init_hotplug_failsafe_brcm-2.4
@@ -0,0 +1,9 @@
+#!/bin/sh
+
+init_hotplug_failsafe() {
+	echo '/sbin/hotplug.failsafe' > /proc/sys/kernel/hotplug
+}
+
+boot_hook_add preinit_main init_hotplug_failsafe
+
+
diff --git a/target/linux/brcm-2.4/base-files/lib/preinit/05_init_interfaces_brcm-2.4 b/target/linux/brcm-2.4/base-files/lib/preinit/05_init_interfaces_brcm-2.4
new file mode 100644
index 000000000..81cf1f138
--- /dev/null
+++ b/target/linux/brcm-2.4/base-files/lib/preinit/05_init_interfaces_brcm-2.4
@@ -0,0 +1,38 @@
+#!/bin/sh
+
+set_preinit_iface() {
+	ifname=eth0
+
+	insmod diag
+
+	# hardware specific overrides
+	case "$(cat /proc/diag/model)" in
+		"Linksys WAP54G V1") ifname=eth1;;
+		"ASUS WL-HDD") ifname=eth1;;
+		"ASUS WL-300g") ifname=eth1;;
+		"ASUS (unknown, BCM4702)") ifname=eth1;;
+		"Sitecom WL-105b") ifname=eth1;;
+	esac
+}
+
+check_module () {
+  module="$1"; shift; params="$*"
+
+  insmod "$module" "$params"
+  sleep 1
+  grep "^$module" /proc/modules
+  return $?
+}
+
+init_iface() {
+	check_module tg3
+	insmod switch-core
+	check_module switch-robo || check_module switch-adm  || { 
+	  check_module bcm57xx activate_gpio=0x4 && cpu_port="8u*"
+	} || rmmod switch-core
+}
+
+boot_hook_add preinit_main init_iface
+boot_hook_add preinit_main set_preinit_iface
+
+
diff --git a/target/linux/brcm-2.4/base-files/lib/preinit/05_set_failsafe_switch_brcm-2.4 b/target/linux/brcm-2.4/base-files/lib/preinit/05_set_failsafe_switch_brcm-2.4
new file mode 100644
index 000000000..28e62e5b5
--- /dev/null
+++ b/target/linux/brcm-2.4/base-files/lib/preinit/05_set_failsafe_switch_brcm-2.4
@@ -0,0 +1,15 @@
+#!/bin/sh
+
+failsafe_ip() {
+	[ -d /proc/switch/eth0 ] && [ "$ifname" = "eth0" ] && {
+		ifconfig eth0 0.0.0.0 down
+		echo "0 1 2 3 4 ${cpu_port:-5u*}" > /proc/switch/eth0/vlan/0/ports
+	}
+	
+	[ -n "$pi_ifname" ] && grep "$pi_ifname" /proc/net/dev >/dev/null && {
+        	ifconfig $pi_ifname $pi_ip netmask $pi_netmask broadcast $pi_broadcast up
+        }
+}
+
+boot_hook_add failsafe failsafe_ip
+
diff --git a/target/linux/brcm-2.4/base-files/lib/preinit/15_mount_proc_brcm-2.4 b/target/linux/brcm-2.4/base-files/lib/preinit/15_mount_proc_brcm-2.4
new file mode 100644
index 000000000..fd5add16a
--- /dev/null
+++ b/target/linux/brcm-2.4/base-files/lib/preinit/15_mount_proc_brcm-2.4
@@ -0,0 +1,6 @@
+#!/bin/sh
+
+do_mount_procfs() {
+	mount none /proc -t proc
+}
+
diff --git a/target/linux/brcm-2.4/base-files/lib/preinit/15_set_preinit_interface_brcm-2.4 b/target/linux/brcm-2.4/base-files/lib/preinit/15_set_preinit_interface_brcm-2.4
new file mode 100644
index 000000000..5e8dc9f11
--- /dev/null
+++ b/target/linux/brcm-2.4/base-files/lib/preinit/15_set_preinit_interface_brcm-2.4
@@ -0,0 +1,38 @@
+. /etc/functions.sh
+
+port_net_echo() {
+    [ -n "$pi_ifname" ] && grep "$pi_ifname" /proc/net/dev >/dev/null ] {
+        if [ "$pi_preinit_net_messages" = "y" ] || [ "$pi_failsafe_net_message"  = "true"] && [ "$pi_preinit_no_failsafe_netmsg" != "y" ]; then
+                netmsg $pi_broadcast "$1"
+        }
+    }
+}
+
+preinit_ip_deconfig() {
+	if [ -z "$pi_ifname" ]; then
+		ifconfig $ifname 0.0.0.0 down
+	else
+		grep "$pi_ifname" /proc/net/dev >/dev/null && {
+	        ifconfig $pi_ifname 0.0.0.0 down
+	    }
+	fi
+}
+
+preinit_net_echo() {
+	preinit_ip
+	
+	[ -d /proc/switch/eth0 ] && [ "$pi_ifname" = "eth0" ] && {
+		echo 1 > /proc/switch/eth0/reset
+
+		# this would be easier if we blasted the message across all ports
+		# but we don't want packets leaking across interfaces
+		for port in $(seq 0 4); do {
+			echo "$port ${cpu_port:-5u*}" > /proc/switch/eth0/vlan/0/ports
+			port_net_echo $1
+		}; done
+	} || port_net_echo $1
+
+	preinit_ip_deconfig
+}
+
+
diff --git a/target/linux/brcm-2.4/base-files/lib/preinit/20_failsafe_set_boot_wait_brcm-2.4 b/target/linux/brcm-2.4/base-files/lib/preinit/20_failsafe_set_boot_wait_brcm-2.4
new file mode 100644
index 000000000..da721b848
--- /dev/null
+++ b/target/linux/brcm-2.4/base-files/lib/preinit/20_failsafe_set_boot_wait_brcm-2.4
@@ -0,0 +1,14 @@
+#!/bin/sh
+
+. /etc/functions.sh
+
+set_boot_wait() {
+	[ -x "/usr/sbin/nvram" ] && {
+		[ "$(nvram get boot_wait)" != "on" ] && {
+			nvram set boot_wait=on
+			nvram commit
+		}
+	}
+}
+
+boot_hook_add failsafe set_boot_wait