add back the base-files/image code from brcm-2.4 to brcm47xx
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@21945 3c298f89-4303-0410-b956-a3cf2f4a3e73master
Felix Fietkau
parent
c658aa2f52
commit
19a9284b9a
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@ -0,0 +1,5 @@
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define Package/base-files/install-target
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rm -f $(1)/etc/config/network
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endef
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@ -0,0 +1,28 @@
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#!/bin/sh
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# Copyright (C) 2006 OpenWrt.org
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set_led() {
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local led="$1"
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local state="$2"
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[ -f "/proc/diag/led/$1" ] && echo "$state" > "/proc/diag/led/$1"
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}
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set_state() {
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case "$1" in
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preinit)
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set_led dmz 1
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set_led diag 1
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set_led power 0
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;;
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failsafe)
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set_led diag f
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set_led power f
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set_led dmz f
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;;
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done)
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set_led dmz 0
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set_led diag 0
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set_led power 1
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;;
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esac
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}
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#!/bin/sh /etc/rc.common
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# Copyright (C) 2006 OpenWrt.org
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START=05
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start() {
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[ -e /etc/config/network ] && {
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local batch
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config_cb() {
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case "$1" in
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switch)
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option_cb() {
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case "$1" in
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vlan[0-9]|vlan1[0-5])
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local id="${1#vlan}"
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local ports="${2%\*}"
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append batch "delete network.eth0.${1}${N}"
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append batch "set network.eth0_${id}=switch_vlan${N}"
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append batch "set network.eth0_${id}.device=eth0${N}"
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append batch "set network.eth0_${id}.vlan=${id}${N}"
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append batch "set network.eth0_${id}.ports='${ports}'${N}"
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;;
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esac
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}
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;;
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switch_vlan)
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option_cb() { :; }
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batch=""
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;;
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esac
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}
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config_load network
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[ -n "$batch" ] && {
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logger -t netconfig "migrating switch config to new format ..."
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echo "$batch${N}commit network" | uci batch
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}
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exit 0
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}
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mkdir -p /etc/config
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(
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if grep -E 'mtd0: 000(6|a)0000' /proc/mtd 2>&- >&-; then
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# WGT634u
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echo boardtype=wgt634u
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else
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strings "$(find_mtd_part nvram)"
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fi
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) | awk '
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function p(cfgname, name) {
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if (c[name] != "") print " option " cfgname " \"" c[name] "\""
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}
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function vlan(id, name) {
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if (c[name] != "") {
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print "config switch_vlan eth0_" id
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print " option device \"eth0\""
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print " option vlan " id
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print " option ports \"" c[name] "\""
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print ""
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}
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}
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function macinc(mac, maca, i, result) {
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split(mac, maca, ":")
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for (i = 1; i <= 6; i++) maca[i] = "0x" maca[i]
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if (++maca[6] > 0xff) {
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maca[5]++
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maca[6] = 0
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}
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for (i = 1; i <= 6; i++) {
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if (i != 1) result = result ":"
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result = result sprintf("%02x", maca[i])
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}
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return result
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}
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BEGIN {
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FS="="
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c["lan_ifname"]="eth0.0"
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c["wan_ifname"]="eth0.1"
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c["vlan0ports"]="1 2 3 4 5"
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c["vlan1ports"]="0 5"
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getline < "/proc/diag/model"
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model=$0
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for (i = 0; i < 6; i++) {
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if (mac_check != "") mac_check = mac_check ":"
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mac_check = mac_check "[0-9a-fA-F][0-9a-fA-F]"
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}
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}
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($1 == "boardnum") || ($1 == "boardtype") || ($1 == "boardflags") || ($1 ~ /macaddr/) {
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nvram[$1] = $2
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}
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END {
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if ((model == "ASUS WL-HDD") || (model == "ASUS WL-300g") || (model == "Linksys WAP54G V1")) {
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c["wan_ifname"] = ""
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c["lan_ifname"] = "eth1"
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}
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if (model == "ASUS WL-330gE") {
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c["wan_ifname"] = ""
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c["lan_ifname"] = "eth0"
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c["vlan0ports"] = ""
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c["vlan1ports"] = ""
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}
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if ((model == "ASUS WL-500g") || (model == "Microsoft MN-700")) {
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c["wan_ifname"] = "eth1"
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c["lan_ifname"] = "eth0"
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}
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if ((model == "ASUS WL-500g Premium V2") || (model == "Dell TrueMobile 2300 v2") || (model == "Buffalo WHR-G125")) {
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c["vlan0ports"] = "0 1 2 3 5"
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c["vlan1ports"] = "4 5"
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}
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if (model == "Dell TrueMobile 2300") {
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c["lan_ifname"] = "eth0"
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c["wan_ifname"] = "eth1"
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c["vlan0ports"] = "0 1 2 3 4 5u"
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c["vlan1ports"] = ""
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}
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if (nvram["boardtype"] == "bcm94710r4") {
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# Toshiba WRC-1000
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c["lan_ifname"] = "eth0"
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c["wan_ifname"] = "eth1"
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}
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if ((nvram["boardtype"] == "wgt634u") || (nvram["boardtype"] == "0x0467")) {
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c["vlan0ports"] = "0 1 2 3 5"
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c["vlan1ports"] = "4 5"
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}
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if ((nvram["boardtype"] == "0x042f") || (nvram["boardtype"] == "0x0472")) {
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if (nvram["boardnum"] == "45") {
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# WL-500gP
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c["vlan0ports"] = "1 2 3 4 5"
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c["vlan1ports"] = "0 5"
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} else {
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# Generic BCM94704
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c["vlan0ports"] = "0 1 2 3 4 5u"
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c["vlan1ports"] = ""
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c["lan_ifname"] = "eth0"
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c["wan_ifname"] = "eth1"
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# MAC addresses on 4704 tend to be screwed up. Add a workaround here
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if (nvram["et0macaddr"] ~ mac_check) {
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c["lan_macaddr"] = nvram["et0macaddr"]
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c["wan_macaddr"] = macinc(c["lan_macaddr"])
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}
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}
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}
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# Buffalo WBR-B11 and Buffalo WBR-G54
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if (nvram["boardtype"] == "bcm94710ap") {
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c["vlan0ports"] = "0 1 2 3 4 5u"
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c["vlan1ports"] = ""
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c["lan_ifname"] = "eth0"
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c["wan_ifname"] = "eth1"
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}
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# generic broadcom 4705/4785 processor with 5397 switch?
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# EXCEPT Linksys WRT300N V1.1
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if ((nvram["boardtype"] == "0x478") && \
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(model != "Linksys WRT300N V1.1")) {
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c["vlan0ports"] = "1 2 3 4 8*"
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c["vlan1ports"] = "0 8"
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}
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# WAP54G
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if ((nvram["boardnum"] == "2") || \
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(nvram["boardnum"] == "1024")) {
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c["lan_ifname"]="eth0"
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c["wan_ifname"]=""
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}
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# Sitecom WL-105b
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if ((nvram["boardum"] == "2") && \
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(nvram["GemtekPmonVer"] == "1")) {
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c["lan_ifname"]="eth0"
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c["wan_ifname"]=""
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}
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# ASUS WL-700gE
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# These are actually same as defaults above. For some reason this script applies
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# Generic BCM94704 settings instead so we revert to proper settings here.
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# Hopefully someone will fix this properly soon.
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if (model == "ASUS WL-700gE") {
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c["lan_ifname"]="eth0.0"
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c["wan_ifname"]="eth0.1"
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c["vlan0ports"]="1 2 3 4 5"
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c["vlan1ports"]="0 5"
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}
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if (model == "Motorola WR850G V2/V3") {
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c["vlan0ports"]="0 1 2 3 5"
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c["vlan1ports"]="4 5"
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}
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if (model == "ASUS WL-500W") {
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c["lan_ifname"] = "eth0"
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c["wan_ifname"] = "eth1"
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c["vlan0ports"] = "0 1 2 3 4 5u"
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c["vlan1ports"] = ""
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}
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if (model == "OvisLink WL-1600GL") {
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c["lan_ifname"] = "eth0.0"
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c["wan_ifname"] = "eth0.1"
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c["vlan0ports"] = "0 1 2 3 5"
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c["vlan1ports"] = "4 5"
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}
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if (c["vlan0ports"] || c["vlan1ports"]) {
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print "#### VLAN configuration "
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print "config switch eth0"
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print " option enable 1"
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print ""
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vlan(0, "vlan0ports")
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vlan(1, "vlan1ports")
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}
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print "#### Loopback configuration"
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print "config interface loopback"
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print " option ifname \"lo\""
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print " option proto static"
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print " option ipaddr 127.0.0.1"
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print " option netmask 255.0.0.0"
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print ""
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print ""
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print "#### LAN configuration"
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print "config interface lan"
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print " option type bridge"
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p("ifname", "lan_ifname")
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p("macaddr", "lan_macaddr")
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print " option proto static"
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print " option ipaddr 192.168.1.1"
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print " option netmask 255.255.255.0"
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print ""
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print ""
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if (c["wan_ifname"]) {
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print "#### WAN configuration"
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print "config interface wan"
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p("ifname", "wan_ifname")
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p("macaddr", "wan_macaddr")
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print " option proto dhcp"
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} else {
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print "#### WAN configuration (disabled)"
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print "#config interface wan"
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print "# option proto dhcp"
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}
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}' > /etc/config/network
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}
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@ -0,0 +1,33 @@
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#!/bin/sh /etc/rc.common
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# Copyright (C) 2010 OpenWrt.org
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START=41
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boot() {
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[ -d /sys/class/ieee80211 ] || exit
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commit=0
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fixup_wmac() {
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local cfg="$1"
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local cfmac
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config_get cfmac "$cfg" macaddr
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[ "$cfmac" != "00:90:4c:5f:00:2a" ] || {
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local nvmac="$(nvram get il0macaddr 2>/dev/null)"
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[ -n "$nvmac" ] && [ "$nvmac != "$cfmac ] && {
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uci set wireless.$cfg.macaddr="$nvmac"
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commit=1
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}
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}
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}
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config_load wireless
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config_foreach fixup_wmac wifi-device
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[ "$commit" = 1 ] && uci commit wireless
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}
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start() { :; }
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stop() { :; }
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@ -0,0 +1,9 @@
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#!/bin/sh
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init_hotplug_failsafe() {
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echo '/sbin/hotplug.failsafe' > /proc/sys/kernel/hotplug
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}
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boot_hook_add preinit_main init_hotplug_failsafe
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@ -0,0 +1,37 @@
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#!/bin/sh
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set_preinit_iface() {
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ifname=eth0
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insmod diag
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# hardware specific overrides
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case "$(cat /proc/diag/model)" in
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"Linksys WAP54G V1") ifname=eth1;;
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"ASUS WL-HDD") ifname=eth1;;
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"ASUS WL-300g") ifname=eth1;;
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"ASUS (unknown, BCM4702)") ifname=eth1;;
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"Sitecom WL-105b") ifname=eth1;;
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esac
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ifconfig $ifname 0.0.0.0 up
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}
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check_module () {
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module="$1"; shift; params="$*"
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insmod "$module" "$params"
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sleep 1
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grep "^$module" /proc/modules
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return $?
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}
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init_iface() {
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check_module tg3
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insmod switch-core
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check_module switch-robo || check_module switch-adm || {
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check_module bcm57xx activate_gpio=0x4 && cpu_port="8u*"
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} || rmmod switch-core
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}
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boot_hook_add preinit_main set_preinit_iface
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boot_hook_add preinit_main init_iface
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@ -0,0 +1,15 @@
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#!/bin/sh
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failsafe_ip() {
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[ -d /proc/switch/eth0 ] && [ "$ifname" = "eth0" ] && {
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ifconfig eth0 0.0.0.0 down
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echo "0 1 2 3 4 ${cpu_port:-5u*}" > /proc/switch/eth0/vlan/0/ports
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}
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[ -n "$pi_ifname" ] && grep -q "$pi_ifname" /proc/net/dev && {
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ifconfig $pi_ifname $pi_ip netmask $pi_netmask broadcast $pi_broadcast up
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}
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}
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boot_hook_add failsafe failsafe_ip
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@ -0,0 +1,6 @@
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#!/bin/sh
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do_mount_procfs() {
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mount none /proc -t proc
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}
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|
||||||
|
|
@ -0,0 +1,39 @@
|
||||||
|
#!/bin/sh
|
||||||
|
|
||||||
|
port_net_echo() {
|
||||||
|
[ -n "$pi_ifname" ] && grep -q "$pi_ifname" /proc/net/dev && {
|
||||||
|
if [ "$pi_preinit_net_messages" = "y" ] || [ "$pi_failsafe_net_message" = "true" ] && [ "$pi_preinit_no_failsafe_netmsg" != "y" ]; then
|
||||||
|
netmsg $pi_broadcast "$1"
|
||||||
|
fi
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
preinit_ip_deconfig() {
|
||||||
|
if [ -z "$pi_ifname" ]; then
|
||||||
|
ifconfig $ifname 0.0.0.0 down
|
||||||
|
else
|
||||||
|
grep -q "$pi_ifname" /proc/net/dev && {
|
||||||
|
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
|
||||||
|
|
||||||
|
echo "0 ${cpu_port:-5u*}" > /proc/switch/eth0/vlan/0/ports
|
||||||
|
|
||||||
|
} || port_net_echo $1
|
||||||
|
}
|
||||||
|
|
||||||
|
|
||||||
|
|
@ -0,0 +1,12 @@
|
||||||
|
#!/bin/sh
|
||||||
|
|
||||||
|
indicate_failsafe() {
|
||||||
|
preinit_net_echo() {
|
||||||
|
port_net_echo $1
|
||||||
|
}
|
||||||
|
echo "- failsafe -"
|
||||||
|
preinit_net_echo "Entering Failsafe!\n"
|
||||||
|
indicate_failsafe_led
|
||||||
|
}
|
||||||
|
|
||||||
|
|
||||||
|
|
@ -0,0 +1,14 @@
|
||||||
|
#!/bin/sh
|
||||||
|
|
||||||
|
. /etc/functions.sh
|
||||||
|
|
||||||
|
set_boot_wait() {
|
||||||
|
[ -x "/usr/sbin/nvram" ] && {
|
||||||
|
[ "$(nvram get boot_wait)" != "on" ] && {
|
||||||
|
nvram set boot_wait=on
|
||||||
|
nvram commit
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
boot_hook_add failsafe set_boot_wait
|
||||||
|
|
@ -0,0 +1,16 @@
|
||||||
|
PART_NAME=linux
|
||||||
|
|
||||||
|
platform_check_image() {
|
||||||
|
[ "$ARGC" -gt 1 ] && return 1
|
||||||
|
|
||||||
|
case "$(get_magic_word "$1")" in
|
||||||
|
# .trx files
|
||||||
|
4844) return 0;;
|
||||||
|
*)
|
||||||
|
echo "Invalid image type. Please use only .trx files"
|
||||||
|
return 1
|
||||||
|
;;
|
||||||
|
esac
|
||||||
|
}
|
||||||
|
|
||||||
|
# use default for platform_do_upgrade()
|
||||||
|
|
@ -0,0 +1,4 @@
|
||||||
|
#!/bin/sh
|
||||||
|
case "$1" in
|
||||||
|
button) kill -USR1 1;;
|
||||||
|
esac
|
||||||
|
|
@ -0,0 +1,110 @@
|
||||||
|
#
|
||||||
|
# Copyright (C) 2006-2010 OpenWrt.org
|
||||||
|
#
|
||||||
|
# This is free software, licensed under the GNU General Public License v2.
|
||||||
|
# See /LICENSE for more information.
|
||||||
|
#
|
||||||
|
include $(TOPDIR)/rules.mk
|
||||||
|
include $(INCLUDE_DIR)/image.mk
|
||||||
|
|
||||||
|
define Build/Clean
|
||||||
|
$(MAKE) -C lzma-loader clean
|
||||||
|
endef
|
||||||
|
|
||||||
|
define Image/Prepare
|
||||||
|
cat $(KDIR)/vmlinux | $(STAGING_DIR_HOST)/bin/lzma e -si -so -eos -lc1 -lp2 -pb2 > $(KDIR)/vmlinux.lzma
|
||||||
|
rm -f $(KDIR)/loader.gz
|
||||||
|
$(MAKE) -C lzma-loader \
|
||||||
|
BUILD_DIR="$(KDIR)" \
|
||||||
|
TARGET="$(KDIR)" \
|
||||||
|
clean install
|
||||||
|
echo -ne "\\x00" >> $(KDIR)/loader.gz
|
||||||
|
rm -f $(KDIR)/fs_mark
|
||||||
|
touch $(KDIR)/fs_mark
|
||||||
|
$(call prepare_generic_squashfs,$(KDIR)/fs_mark)
|
||||||
|
endef
|
||||||
|
|
||||||
|
ifneq ($(KERNEL),2.4)
|
||||||
|
define Image/Build/wgt634u
|
||||||
|
dd if=$(KDIR)/loader.elf of=$(BIN_DIR)/openwrt-wgt634u-$(2).bin bs=131072 conv=sync
|
||||||
|
cat $(BIN_DIR)/$(IMG_PREFIX)-$(1).trx >> $(BIN_DIR)/openwrt-wgt634u-$(2).bin
|
||||||
|
endef
|
||||||
|
endif
|
||||||
|
|
||||||
|
define Image/Build/CyberTAN
|
||||||
|
$(STAGING_DIR_HOST)/bin/addpattern -4 -p $(3) -v v$(4) -i $(BIN_DIR)/$(IMG_PREFIX)-$(1).trx -o $(BIN_DIR)/openwrt-$(2)-$(5).bin $(if $(6),-s $(6))
|
||||||
|
endef
|
||||||
|
define Image/Build/CyberTAN2
|
||||||
|
$(STAGING_DIR_HOST)/bin/addpattern -4 -p $(3) -v v$(4) -i $(BIN_DIR)/openwrt-$(2)-$(5)-sysupgrade.bin -o $(BIN_DIR)/openwrt-$(2)-$(5)-factory.bin $(if $(6),-s $(6))
|
||||||
|
endef
|
||||||
|
define Image/Build/CyberTANHead
|
||||||
|
$(STAGING_DIR_HOST)/bin/addpattern -5 -p $(3) -v v$(4) -i /dev/null -o $(KDIR)/openwrt-$(2)-header.bin $(if $(6),-s $(6))
|
||||||
|
endef
|
||||||
|
|
||||||
|
define Image/Build/Motorola
|
||||||
|
$(STAGING_DIR_HOST)/bin/motorola-bin -$(3) $(BIN_DIR)/$(IMG_PREFIX)-$(1).trx $(BIN_DIR)/openwrt-$(2)-$(4).bin
|
||||||
|
endef
|
||||||
|
|
||||||
|
define Image/Build/USR
|
||||||
|
$(STAGING_DIR_HOST)/bin/trx2usr $(BIN_DIR)/$(IMG_PREFIX)-$(1).trx $(BIN_DIR)/openwrt-$(2)-$(3).bin
|
||||||
|
endef
|
||||||
|
|
||||||
|
define trxalign/jffs2-128k
|
||||||
|
-a 0x20000 -f $(KDIR)/root.$(1)
|
||||||
|
endef
|
||||||
|
define trxalign/jffs2-64k
|
||||||
|
-a 0x10000 -f $(KDIR)/root.$(1)
|
||||||
|
endef
|
||||||
|
define trxalign/squashfs
|
||||||
|
-a 1024 -f $(KDIR)/root.$(1) $(if $(2),-f $(2)) -a 0x10000 -A $(KDIR)/fs_mark
|
||||||
|
endef
|
||||||
|
|
||||||
|
define Image/Build/trxV2
|
||||||
|
$(call Image/Build/CyberTANHead,$(1),$(2),$(3),$(4),$(5),$(if $(6),$(6)))
|
||||||
|
$(STAGING_DIR_HOST)/bin/trx -2 -o $(BIN_DIR)/openwrt-$(2)-$(5)-sysupgrade.bin \
|
||||||
|
-f $(KDIR)/loader.gz -f $(KDIR)/vmlinux.lzma \
|
||||||
|
$(call trxalign/$(1),$(1),$(KDIR)/openwrt-$(2)-header.bin)
|
||||||
|
$(call Image/Build/CyberTAN2,$(1),$(2),$(3),$(4),$(5),$(if $(6),$(6)))
|
||||||
|
endef
|
||||||
|
|
||||||
|
define Image/Build/jffs2-128k
|
||||||
|
$(call Image/Build/CyberTAN,$(1),wrt54gs,W54S,4.80.1,$(patsubst jffs2-%,jffs2,$(1)))
|
||||||
|
$(call Image/Build/CyberTAN,$(1),wrtsl54gs,W54U,2.08.1,$(patsubst jffs2-%,jffs2,$(1)))
|
||||||
|
$(call Image/Build/trxV2,$(1),wrt54g3gv2-vf,3G2V,3.00.24,$(patsubst jffs2-%,jffs2,$(1)),6)
|
||||||
|
ifeq ($(KERNEL),2.6)
|
||||||
|
$(call Image/Build/wgt634u,$(1),$(patsubst jffs2-%,jffs2,$(1)))
|
||||||
|
endif
|
||||||
|
endef
|
||||||
|
|
||||||
|
define Image/Build/jffs2-64k
|
||||||
|
$(call Image/Build/CyberTAN,$(1),wrt54g3g,W54F,2.20.1,$(patsubst jffs2-%,jffs2,$(1)))
|
||||||
|
$(call Image/Build/CyberTAN,$(1),wrt54g3g-em,W3GN,2.20.1,$(patsubst jffs2-%,jffs2,$(1)))
|
||||||
|
$(call Image/Build/CyberTAN,$(1),wrt54g,W54G,4.71.1,$(patsubst jffs2-%,jffs2,$(1)))
|
||||||
|
$(call Image/Build/CyberTAN,$(1),wrt54gs_v4,W54s,1.09.1,$(patsubst jffs2-%,jffs2,$(1)))
|
||||||
|
$(call Image/Build/CyberTAN,$(1),wrt150n,N150,1.51.3,$(patsubst jffs2-%,jffs2,$(1)))
|
||||||
|
$(call Image/Build/CyberTAN,$(1),wrt300n_v1,EWCB,1.03.6,$(patsubst jffs2-%,jffs2,$(1)))
|
||||||
|
$(call Image/Build/CyberTAN,$(1),wrt300n_v11,EWC2,1.51.2,$(patsubst jffs2-%,jffs2,$(1)))
|
||||||
|
$(call Image/Build/CyberTAN,$(1),wrt350n_v1,EWCG,1.04.1,$(patsubst jffs2-%,jffs2,$(1)))
|
||||||
|
$(call Image/Build/Motorola,$(1),wa840g,2,$(patsubst jffs2-%,jffs2,$(1)))
|
||||||
|
$(call Image/Build/Motorola,$(1),we800g,3,$(patsubst jffs2-%,jffs2,$(1)))
|
||||||
|
endef
|
||||||
|
|
||||||
|
define Image/Build/squashfs
|
||||||
|
$(call Image/Build/jffs2-64k,$(1))
|
||||||
|
$(call Image/Build/jffs2-128k,$(1))
|
||||||
|
endef
|
||||||
|
|
||||||
|
define Image/Build/Initramfs
|
||||||
|
$(STAGING_DIR_HOST)/bin/trx -o $(BIN_DIR)/$(IMG_PREFIX)-initramfs.trx -f $(KDIR)/loader.gz -f $(KDIR)/vmlinux.lzma
|
||||||
|
endef
|
||||||
|
|
||||||
|
define Image/Build
|
||||||
|
$(STAGING_DIR_HOST)/bin/trx -o $(BIN_DIR)/$(IMG_PREFIX)-$(1).trx \
|
||||||
|
-f $(KDIR)/loader.gz -f $(KDIR)/vmlinux.lzma \
|
||||||
|
$(call trxalign/$(1),$(1))
|
||||||
|
$(call Image/Build/$(1),$(1))
|
||||||
|
$(call Image/Build/Motorola,$(1),wr850g,1,$(1))
|
||||||
|
$(call Image/Build/USR,$(1),usr5461,$(1))
|
||||||
|
endef
|
||||||
|
|
||||||
|
$(eval $(call BuildImage))
|
||||||
|
|
@ -0,0 +1,33 @@
|
||||||
|
#
|
||||||
|
# Copyright (C) 2006 OpenWrt.org
|
||||||
|
#
|
||||||
|
# This is free software, licensed under the GNU General Public License v2.
|
||||||
|
# See /LICENSE for more information.
|
||||||
|
#
|
||||||
|
|
||||||
|
include $(TOPDIR)/rules.mk
|
||||||
|
|
||||||
|
PKG_NAME := lzma-loader
|
||||||
|
PKG_BUILD_DIR := $(BUILD_DIR)/$(PKG_NAME)
|
||||||
|
|
||||||
|
$(PKG_BUILD_DIR)/.prepared:
|
||||||
|
mkdir $(PKG_BUILD_DIR)
|
||||||
|
$(CP) ./src/* $(PKG_BUILD_DIR)/
|
||||||
|
touch $@
|
||||||
|
|
||||||
|
$(PKG_BUILD_DIR)/loader.gz: $(PKG_BUILD_DIR)/.prepared
|
||||||
|
$(MAKE) -C $(PKG_BUILD_DIR) CC="$(TARGET_CC)" \
|
||||||
|
LD="$(TARGET_CROSS)ld" CROSS_COMPILE="$(TARGET_CROSS)"
|
||||||
|
|
||||||
|
download:
|
||||||
|
prepare: $(PKG_BUILD_DIR)/.prepared
|
||||||
|
compile: $(PKG_BUILD_DIR)/loader.gz
|
||||||
|
install:
|
||||||
|
|
||||||
|
ifneq ($(TARGET),)
|
||||||
|
install: compile
|
||||||
|
$(CP) $(PKG_BUILD_DIR)/loader.gz $(PKG_BUILD_DIR)/loader.elf $(TARGET)/
|
||||||
|
endif
|
||||||
|
|
||||||
|
clean:
|
||||||
|
rm -rf $(PKG_BUILD_DIR)
|
||||||
|
|
@ -0,0 +1,663 @@
|
||||||
|
/*
|
||||||
|
LzmaDecode.c
|
||||||
|
LZMA Decoder
|
||||||
|
|
||||||
|
LZMA SDK 4.05 Copyright (c) 1999-2004 Igor Pavlov (2004-08-25)
|
||||||
|
http://www.7-zip.org/
|
||||||
|
|
||||||
|
LZMA SDK is licensed under two licenses:
|
||||||
|
1) GNU Lesser General Public License (GNU LGPL)
|
||||||
|
2) Common Public License (CPL)
|
||||||
|
It means that you can select one of these two licenses and
|
||||||
|
follow rules of that license.
|
||||||
|
|
||||||
|
SPECIAL EXCEPTION:
|
||||||
|
Igor Pavlov, as the author of this code, expressly permits you to
|
||||||
|
statically or dynamically link your code (or bind by name) to the
|
||||||
|
interfaces of this file without subjecting your linked code to the
|
||||||
|
terms of the CPL or GNU LGPL. Any modifications or additions
|
||||||
|
to this file, however, are subject to the LGPL or CPL terms.
|
||||||
|
*/
|
||||||
|
|
||||||
|
#include "LzmaDecode.h"
|
||||||
|
|
||||||
|
#ifndef Byte
|
||||||
|
#define Byte unsigned char
|
||||||
|
#endif
|
||||||
|
|
||||||
|
#define kNumTopBits 24
|
||||||
|
#define kTopValue ((UInt32)1 << kNumTopBits)
|
||||||
|
|
||||||
|
#define kNumBitModelTotalBits 11
|
||||||
|
#define kBitModelTotal (1 << kNumBitModelTotalBits)
|
||||||
|
#define kNumMoveBits 5
|
||||||
|
|
||||||
|
typedef struct _CRangeDecoder
|
||||||
|
{
|
||||||
|
Byte *Buffer;
|
||||||
|
Byte *BufferLim;
|
||||||
|
UInt32 Range;
|
||||||
|
UInt32 Code;
|
||||||
|
#ifdef _LZMA_IN_CB
|
||||||
|
ILzmaInCallback *InCallback;
|
||||||
|
int Result;
|
||||||
|
#endif
|
||||||
|
int ExtraBytes;
|
||||||
|
} CRangeDecoder;
|
||||||
|
|
||||||
|
Byte RangeDecoderReadByte(CRangeDecoder *rd)
|
||||||
|
{
|
||||||
|
if (rd->Buffer == rd->BufferLim)
|
||||||
|
{
|
||||||
|
#ifdef _LZMA_IN_CB
|
||||||
|
UInt32 size;
|
||||||
|
rd->Result = rd->InCallback->Read(rd->InCallback, &rd->Buffer, &size);
|
||||||
|
rd->BufferLim = rd->Buffer + size;
|
||||||
|
if (size == 0)
|
||||||
|
#endif
|
||||||
|
{
|
||||||
|
rd->ExtraBytes = 1;
|
||||||
|
return 0xFF;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
return (*rd->Buffer++);
|
||||||
|
}
|
||||||
|
|
||||||
|
/* #define ReadByte (*rd->Buffer++) */
|
||||||
|
#define ReadByte (RangeDecoderReadByte(rd))
|
||||||
|
|
||||||
|
void RangeDecoderInit(CRangeDecoder *rd,
|
||||||
|
#ifdef _LZMA_IN_CB
|
||||||
|
ILzmaInCallback *inCallback
|
||||||
|
#else
|
||||||
|
Byte *stream, UInt32 bufferSize
|
||||||
|
#endif
|
||||||
|
)
|
||||||
|
{
|
||||||
|
int i;
|
||||||
|
#ifdef _LZMA_IN_CB
|
||||||
|
rd->InCallback = inCallback;
|
||||||
|
rd->Buffer = rd->BufferLim = 0;
|
||||||
|
#else
|
||||||
|
rd->Buffer = stream;
|
||||||
|
rd->BufferLim = stream + bufferSize;
|
||||||
|
#endif
|
||||||
|
rd->ExtraBytes = 0;
|
||||||
|
rd->Code = 0;
|
||||||
|
rd->Range = (0xFFFFFFFF);
|
||||||
|
for(i = 0; i < 5; i++)
|
||||||
|
rd->Code = (rd->Code << 8) | ReadByte;
|
||||||
|
}
|
||||||
|
|
||||||
|
#define RC_INIT_VAR UInt32 range = rd->Range; UInt32 code = rd->Code;
|
||||||
|
#define RC_FLUSH_VAR rd->Range = range; rd->Code = code;
|
||||||
|
#define RC_NORMALIZE if (range < kTopValue) { range <<= 8; code = (code << 8) | ReadByte; }
|
||||||
|
|
||||||
|
UInt32 RangeDecoderDecodeDirectBits(CRangeDecoder *rd, int numTotalBits)
|
||||||
|
{
|
||||||
|
RC_INIT_VAR
|
||||||
|
UInt32 result = 0;
|
||||||
|
int i;
|
||||||
|
for (i = numTotalBits; i > 0; i--)
|
||||||
|
{
|
||||||
|
/* UInt32 t; */
|
||||||
|
range >>= 1;
|
||||||
|
|
||||||
|
result <<= 1;
|
||||||
|
if (code >= range)
|
||||||
|
{
|
||||||
|
code -= range;
|
||||||
|
result |= 1;
|
||||||
|
}
|
||||||
|
/*
|
||||||
|
t = (code - range) >> 31;
|
||||||
|
t &= 1;
|
||||||
|
code -= range & (t - 1);
|
||||||
|
result = (result + result) | (1 - t);
|
||||||
|
*/
|
||||||
|
RC_NORMALIZE
|
||||||
|
}
|
||||||
|
RC_FLUSH_VAR
|
||||||
|
return result;
|
||||||
|
}
|
||||||
|
|
||||||
|
int RangeDecoderBitDecode(CProb *prob, CRangeDecoder *rd)
|
||||||
|
{
|
||||||
|
UInt32 bound = (rd->Range >> kNumBitModelTotalBits) * *prob;
|
||||||
|
if (rd->Code < bound)
|
||||||
|
{
|
||||||
|
rd->Range = bound;
|
||||||
|
*prob += (kBitModelTotal - *prob) >> kNumMoveBits;
|
||||||
|
if (rd->Range < kTopValue)
|
||||||
|
{
|
||||||
|
rd->Code = (rd->Code << 8) | ReadByte;
|
||||||
|
rd->Range <<= 8;
|
||||||
|
}
|
||||||
|
return 0;
|
||||||
|
}
|
||||||
|
else
|
||||||
|
{
|
||||||
|
rd->Range -= bound;
|
||||||
|
rd->Code -= bound;
|
||||||
|
*prob -= (*prob) >> kNumMoveBits;
|
||||||
|
if (rd->Range < kTopValue)
|
||||||
|
{
|
||||||
|
rd->Code = (rd->Code << 8) | ReadByte;
|
||||||
|
rd->Range <<= 8;
|
||||||
|
}
|
||||||
|
return 1;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
#define RC_GET_BIT2(prob, mi, A0, A1) \
|
||||||
|
UInt32 bound = (range >> kNumBitModelTotalBits) * *prob; \
|
||||||
|
if (code < bound) \
|
||||||
|
{ A0; range = bound; *prob += (kBitModelTotal - *prob) >> kNumMoveBits; mi <<= 1; } \
|
||||||
|
else \
|
||||||
|
{ A1; range -= bound; code -= bound; *prob -= (*prob) >> kNumMoveBits; mi = (mi + mi) + 1; } \
|
||||||
|
RC_NORMALIZE
|
||||||
|
|
||||||
|
#define RC_GET_BIT(prob, mi) RC_GET_BIT2(prob, mi, ; , ;)
|
||||||
|
|
||||||
|
int RangeDecoderBitTreeDecode(CProb *probs, int numLevels, CRangeDecoder *rd)
|
||||||
|
{
|
||||||
|
int mi = 1;
|
||||||
|
int i;
|
||||||
|
#ifdef _LZMA_LOC_OPT
|
||||||
|
RC_INIT_VAR
|
||||||
|
#endif
|
||||||
|
for(i = numLevels; i > 0; i--)
|
||||||
|
{
|
||||||
|
#ifdef _LZMA_LOC_OPT
|
||||||
|
CProb *prob = probs + mi;
|
||||||
|
RC_GET_BIT(prob, mi)
|
||||||
|
#else
|
||||||
|
mi = (mi + mi) + RangeDecoderBitDecode(probs + mi, rd);
|
||||||
|
#endif
|
||||||
|
}
|
||||||
|
#ifdef _LZMA_LOC_OPT
|
||||||
|
RC_FLUSH_VAR
|
||||||
|
#endif
|
||||||
|
return mi - (1 << numLevels);
|
||||||
|
}
|
||||||
|
|
||||||
|
int RangeDecoderReverseBitTreeDecode(CProb *probs, int numLevels, CRangeDecoder *rd)
|
||||||
|
{
|
||||||
|
int mi = 1;
|
||||||
|
int i;
|
||||||
|
int symbol = 0;
|
||||||
|
#ifdef _LZMA_LOC_OPT
|
||||||
|
RC_INIT_VAR
|
||||||
|
#endif
|
||||||
|
for(i = 0; i < numLevels; i++)
|
||||||
|
{
|
||||||
|
#ifdef _LZMA_LOC_OPT
|
||||||
|
CProb *prob = probs + mi;
|
||||||
|
RC_GET_BIT2(prob, mi, ; , symbol |= (1 << i))
|
||||||
|
#else
|
||||||
|
int bit = RangeDecoderBitDecode(probs + mi, rd);
|
||||||
|
mi = mi + mi + bit;
|
||||||
|
symbol |= (bit << i);
|
||||||
|
#endif
|
||||||
|
}
|
||||||
|
#ifdef _LZMA_LOC_OPT
|
||||||
|
RC_FLUSH_VAR
|
||||||
|
#endif
|
||||||
|
return symbol;
|
||||||
|
}
|
||||||
|
|
||||||
|
Byte LzmaLiteralDecode(CProb *probs, CRangeDecoder *rd)
|
||||||
|
{
|
||||||
|
int symbol = 1;
|
||||||
|
#ifdef _LZMA_LOC_OPT
|
||||||
|
RC_INIT_VAR
|
||||||
|
#endif
|
||||||
|
do
|
||||||
|
{
|
||||||
|
#ifdef _LZMA_LOC_OPT
|
||||||
|
CProb *prob = probs + symbol;
|
||||||
|
RC_GET_BIT(prob, symbol)
|
||||||
|
#else
|
||||||
|
symbol = (symbol + symbol) | RangeDecoderBitDecode(probs + symbol, rd);
|
||||||
|
#endif
|
||||||
|
}
|
||||||
|
while (symbol < 0x100);
|
||||||
|
#ifdef _LZMA_LOC_OPT
|
||||||
|
RC_FLUSH_VAR
|
||||||
|
#endif
|
||||||
|
return symbol;
|
||||||
|
}
|
||||||
|
|
||||||
|
Byte LzmaLiteralDecodeMatch(CProb *probs, CRangeDecoder *rd, Byte matchByte)
|
||||||
|
{
|
||||||
|
int symbol = 1;
|
||||||
|
#ifdef _LZMA_LOC_OPT
|
||||||
|
RC_INIT_VAR
|
||||||
|
#endif
|
||||||
|
do
|
||||||
|
{
|
||||||
|
int bit;
|
||||||
|
int matchBit = (matchByte >> 7) & 1;
|
||||||
|
matchByte <<= 1;
|
||||||
|
#ifdef _LZMA_LOC_OPT
|
||||||
|
{
|
||||||
|
CProb *prob = probs + ((1 + matchBit) << 8) + symbol;
|
||||||
|
RC_GET_BIT2(prob, symbol, bit = 0, bit = 1)
|
||||||
|
}
|
||||||
|
#else
|
||||||
|
bit = RangeDecoderBitDecode(probs + ((1 + matchBit) << 8) + symbol, rd);
|
||||||
|
symbol = (symbol << 1) | bit;
|
||||||
|
#endif
|
||||||
|
if (matchBit != bit)
|
||||||
|
{
|
||||||
|
while (symbol < 0x100)
|
||||||
|
{
|
||||||
|
#ifdef _LZMA_LOC_OPT
|
||||||
|
CProb *prob = probs + symbol;
|
||||||
|
RC_GET_BIT(prob, symbol)
|
||||||
|
#else
|
||||||
|
symbol = (symbol + symbol) | RangeDecoderBitDecode(probs + symbol, rd);
|
||||||
|
#endif
|
||||||
|
}
|
||||||
|
break;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
while (symbol < 0x100);
|
||||||
|
#ifdef _LZMA_LOC_OPT
|
||||||
|
RC_FLUSH_VAR
|
||||||
|
#endif
|
||||||
|
return symbol;
|
||||||
|
}
|
||||||
|
|
||||||
|
#define kNumPosBitsMax 4
|
||||||
|
#define kNumPosStatesMax (1 << kNumPosBitsMax)
|
||||||
|
|
||||||
|
#define kLenNumLowBits 3
|
||||||
|
#define kLenNumLowSymbols (1 << kLenNumLowBits)
|
||||||
|
#define kLenNumMidBits 3
|
||||||
|
#define kLenNumMidSymbols (1 << kLenNumMidBits)
|
||||||
|
#define kLenNumHighBits 8
|
||||||
|
#define kLenNumHighSymbols (1 << kLenNumHighBits)
|
||||||
|
|
||||||
|
#define LenChoice 0
|
||||||
|
#define LenChoice2 (LenChoice + 1)
|
||||||
|
#define LenLow (LenChoice2 + 1)
|
||||||
|
#define LenMid (LenLow + (kNumPosStatesMax << kLenNumLowBits))
|
||||||
|
#define LenHigh (LenMid + (kNumPosStatesMax << kLenNumMidBits))
|
||||||
|
#define kNumLenProbs (LenHigh + kLenNumHighSymbols)
|
||||||
|
|
||||||
|
int LzmaLenDecode(CProb *p, CRangeDecoder *rd, int posState)
|
||||||
|
{
|
||||||
|
if(RangeDecoderBitDecode(p + LenChoice, rd) == 0)
|
||||||
|
return RangeDecoderBitTreeDecode(p + LenLow +
|
||||||
|
(posState << kLenNumLowBits), kLenNumLowBits, rd);
|
||||||
|
if(RangeDecoderBitDecode(p + LenChoice2, rd) == 0)
|
||||||
|
return kLenNumLowSymbols + RangeDecoderBitTreeDecode(p + LenMid +
|
||||||
|
(posState << kLenNumMidBits), kLenNumMidBits, rd);
|
||||||
|
return kLenNumLowSymbols + kLenNumMidSymbols +
|
||||||
|
RangeDecoderBitTreeDecode(p + LenHigh, kLenNumHighBits, rd);
|
||||||
|
}
|
||||||
|
|
||||||
|
#define kNumStates 12
|
||||||
|
|
||||||
|
#define kStartPosModelIndex 4
|
||||||
|
#define kEndPosModelIndex 14
|
||||||
|
#define kNumFullDistances (1 << (kEndPosModelIndex >> 1))
|
||||||
|
|
||||||
|
#define kNumPosSlotBits 6
|
||||||
|
#define kNumLenToPosStates 4
|
||||||
|
|
||||||
|
#define kNumAlignBits 4
|
||||||
|
#define kAlignTableSize (1 << kNumAlignBits)
|
||||||
|
|
||||||
|
#define kMatchMinLen 2
|
||||||
|
|
||||||
|
#define IsMatch 0
|
||||||
|
#define IsRep (IsMatch + (kNumStates << kNumPosBitsMax))
|
||||||
|
#define IsRepG0 (IsRep + kNumStates)
|
||||||
|
#define IsRepG1 (IsRepG0 + kNumStates)
|
||||||
|
#define IsRepG2 (IsRepG1 + kNumStates)
|
||||||
|
#define IsRep0Long (IsRepG2 + kNumStates)
|
||||||
|
#define PosSlot (IsRep0Long + (kNumStates << kNumPosBitsMax))
|
||||||
|
#define SpecPos (PosSlot + (kNumLenToPosStates << kNumPosSlotBits))
|
||||||
|
#define Align (SpecPos + kNumFullDistances - kEndPosModelIndex)
|
||||||
|
#define LenCoder (Align + kAlignTableSize)
|
||||||
|
#define RepLenCoder (LenCoder + kNumLenProbs)
|
||||||
|
#define Literal (RepLenCoder + kNumLenProbs)
|
||||||
|
|
||||||
|
#if Literal != LZMA_BASE_SIZE
|
||||||
|
StopCompilingDueBUG
|
||||||
|
#endif
|
||||||
|
|
||||||
|
#ifdef _LZMA_OUT_READ
|
||||||
|
|
||||||
|
typedef struct _LzmaVarState
|
||||||
|
{
|
||||||
|
CRangeDecoder RangeDecoder;
|
||||||
|
Byte *Dictionary;
|
||||||
|
UInt32 DictionarySize;
|
||||||
|
UInt32 DictionaryPos;
|
||||||
|
UInt32 GlobalPos;
|
||||||
|
UInt32 Reps[4];
|
||||||
|
int lc;
|
||||||
|
int lp;
|
||||||
|
int pb;
|
||||||
|
int State;
|
||||||
|
int PreviousIsMatch;
|
||||||
|
int RemainLen;
|
||||||
|
} LzmaVarState;
|
||||||
|
|
||||||
|
int LzmaDecoderInit(
|
||||||
|
unsigned char *buffer, UInt32 bufferSize,
|
||||||
|
int lc, int lp, int pb,
|
||||||
|
unsigned char *dictionary, UInt32 dictionarySize,
|
||||||
|
#ifdef _LZMA_IN_CB
|
||||||
|
ILzmaInCallback *inCallback
|
||||||
|
#else
|
||||||
|
unsigned char *inStream, UInt32 inSize
|
||||||
|
#endif
|
||||||
|
)
|
||||||
|
{
|
||||||
|
LzmaVarState *vs = (LzmaVarState *)buffer;
|
||||||
|
CProb *p = (CProb *)(buffer + sizeof(LzmaVarState));
|
||||||
|
UInt32 numProbs = Literal + ((UInt32)LZMA_LIT_SIZE << (lc + lp));
|
||||||
|
UInt32 i;
|
||||||
|
if (bufferSize < numProbs * sizeof(CProb) + sizeof(LzmaVarState))
|
||||||
|
return LZMA_RESULT_NOT_ENOUGH_MEM;
|
||||||
|
vs->Dictionary = dictionary;
|
||||||
|
vs->DictionarySize = dictionarySize;
|
||||||
|
vs->DictionaryPos = 0;
|
||||||
|
vs->GlobalPos = 0;
|
||||||
|
vs->Reps[0] = vs->Reps[1] = vs->Reps[2] = vs->Reps[3] = 1;
|
||||||
|
vs->lc = lc;
|
||||||
|
vs->lp = lp;
|
||||||
|
vs->pb = pb;
|
||||||
|
vs->State = 0;
|
||||||
|
vs->PreviousIsMatch = 0;
|
||||||
|
vs->RemainLen = 0;
|
||||||
|
dictionary[dictionarySize - 1] = 0;
|
||||||
|
for (i = 0; i < numProbs; i++)
|
||||||
|
p[i] = kBitModelTotal >> 1;
|
||||||
|
RangeDecoderInit(&vs->RangeDecoder,
|
||||||
|
#ifdef _LZMA_IN_CB
|
||||||
|
inCallback
|
||||||
|
#else
|
||||||
|
inStream, inSize
|
||||||
|
#endif
|
||||||
|
);
|
||||||
|
return LZMA_RESULT_OK;
|
||||||
|
}
|
||||||
|
|
||||||
|
int LzmaDecode(unsigned char *buffer,
|
||||||
|
unsigned char *outStream, UInt32 outSize,
|
||||||
|
UInt32 *outSizeProcessed)
|
||||||
|
{
|
||||||
|
LzmaVarState *vs = (LzmaVarState *)buffer;
|
||||||
|
CProb *p = (CProb *)(buffer + sizeof(LzmaVarState));
|
||||||
|
CRangeDecoder rd = vs->RangeDecoder;
|
||||||
|
int state = vs->State;
|
||||||
|
int previousIsMatch = vs->PreviousIsMatch;
|
||||||
|
Byte previousByte;
|
||||||
|
UInt32 rep0 = vs->Reps[0], rep1 = vs->Reps[1], rep2 = vs->Reps[2], rep3 = vs->Reps[3];
|
||||||
|
UInt32 nowPos = 0;
|
||||||
|
UInt32 posStateMask = (1 << (vs->pb)) - 1;
|
||||||
|
UInt32 literalPosMask = (1 << (vs->lp)) - 1;
|
||||||
|
int lc = vs->lc;
|
||||||
|
int len = vs->RemainLen;
|
||||||
|
UInt32 globalPos = vs->GlobalPos;
|
||||||
|
|
||||||
|
Byte *dictionary = vs->Dictionary;
|
||||||
|
UInt32 dictionarySize = vs->DictionarySize;
|
||||||
|
UInt32 dictionaryPos = vs->DictionaryPos;
|
||||||
|
|
||||||
|
if (len == -1)
|
||||||
|
{
|
||||||
|
*outSizeProcessed = 0;
|
||||||
|
return LZMA_RESULT_OK;
|
||||||
|
}
|
||||||
|
|
||||||
|
while(len > 0 && nowPos < outSize)
|
||||||
|
{
|
||||||
|
UInt32 pos = dictionaryPos - rep0;
|
||||||
|
if (pos >= dictionarySize)
|
||||||
|
pos += dictionarySize;
|
||||||
|
outStream[nowPos++] = dictionary[dictionaryPos] = dictionary[pos];
|
||||||
|
if (++dictionaryPos == dictionarySize)
|
||||||
|
dictionaryPos = 0;
|
||||||
|
len--;
|
||||||
|
}
|
||||||
|
if (dictionaryPos == 0)
|
||||||
|
previousByte = dictionary[dictionarySize - 1];
|
||||||
|
else
|
||||||
|
previousByte = dictionary[dictionaryPos - 1];
|
||||||
|
#else
|
||||||
|
|
||||||
|
int LzmaDecode(
|
||||||
|
Byte *buffer, UInt32 bufferSize,
|
||||||
|
int lc, int lp, int pb,
|
||||||
|
#ifdef _LZMA_IN_CB
|
||||||
|
ILzmaInCallback *inCallback,
|
||||||
|
#else
|
||||||
|
unsigned char *inStream, UInt32 inSize,
|
||||||
|
#endif
|
||||||
|
unsigned char *outStream, UInt32 outSize,
|
||||||
|
UInt32 *outSizeProcessed)
|
||||||
|
{
|
||||||
|
UInt32 numProbs = Literal + ((UInt32)LZMA_LIT_SIZE << (lc + lp));
|
||||||
|
CProb *p = (CProb *)buffer;
|
||||||
|
CRangeDecoder rd;
|
||||||
|
UInt32 i;
|
||||||
|
int state = 0;
|
||||||
|
int previousIsMatch = 0;
|
||||||
|
Byte previousByte = 0;
|
||||||
|
UInt32 rep0 = 1, rep1 = 1, rep2 = 1, rep3 = 1;
|
||||||
|
UInt32 nowPos = 0;
|
||||||
|
UInt32 posStateMask = (1 << pb) - 1;
|
||||||
|
UInt32 literalPosMask = (1 << lp) - 1;
|
||||||
|
int len = 0;
|
||||||
|
if (bufferSize < numProbs * sizeof(CProb))
|
||||||
|
return LZMA_RESULT_NOT_ENOUGH_MEM;
|
||||||
|
for (i = 0; i < numProbs; i++)
|
||||||
|
p[i] = kBitModelTotal >> 1;
|
||||||
|
RangeDecoderInit(&rd,
|
||||||
|
#ifdef _LZMA_IN_CB
|
||||||
|
inCallback
|
||||||
|
#else
|
||||||
|
inStream, inSize
|
||||||
|
#endif
|
||||||
|
);
|
||||||
|
#endif
|
||||||
|
|
||||||
|
*outSizeProcessed = 0;
|
||||||
|
while(nowPos < outSize)
|
||||||
|
{
|
||||||
|
int posState = (int)(
|
||||||
|
(nowPos
|
||||||
|
#ifdef _LZMA_OUT_READ
|
||||||
|
+ globalPos
|
||||||
|
#endif
|
||||||
|
)
|
||||||
|
& posStateMask);
|
||||||
|
#ifdef _LZMA_IN_CB
|
||||||
|
if (rd.Result != LZMA_RESULT_OK)
|
||||||
|
return rd.Result;
|
||||||
|
#endif
|
||||||
|
if (rd.ExtraBytes != 0)
|
||||||
|
return LZMA_RESULT_DATA_ERROR;
|
||||||
|
if (RangeDecoderBitDecode(p + IsMatch + (state << kNumPosBitsMax) + posState, &rd) == 0)
|
||||||
|
{
|
||||||
|
CProb *probs = p + Literal + (LZMA_LIT_SIZE *
|
||||||
|
(((
|
||||||
|
(nowPos
|
||||||
|
#ifdef _LZMA_OUT_READ
|
||||||
|
+ globalPos
|
||||||
|
#endif
|
||||||
|
)
|
||||||
|
& literalPosMask) << lc) + (previousByte >> (8 - lc))));
|
||||||
|
|
||||||
|
if (state < 4) state = 0;
|
||||||
|
else if (state < 10) state -= 3;
|
||||||
|
else state -= 6;
|
||||||
|
if (previousIsMatch)
|
||||||
|
{
|
||||||
|
Byte matchByte;
|
||||||
|
#ifdef _LZMA_OUT_READ
|
||||||
|
UInt32 pos = dictionaryPos - rep0;
|
||||||
|
if (pos >= dictionarySize)
|
||||||
|
pos += dictionarySize;
|
||||||
|
matchByte = dictionary[pos];
|
||||||
|
#else
|
||||||
|
matchByte = outStream[nowPos - rep0];
|
||||||
|
#endif
|
||||||
|
previousByte = LzmaLiteralDecodeMatch(probs, &rd, matchByte);
|
||||||
|
previousIsMatch = 0;
|
||||||
|
}
|
||||||
|
else
|
||||||
|
previousByte = LzmaLiteralDecode(probs, &rd);
|
||||||
|
outStream[nowPos++] = previousByte;
|
||||||
|
#ifdef _LZMA_OUT_READ
|
||||||
|
dictionary[dictionaryPos] = previousByte;
|
||||||
|
if (++dictionaryPos == dictionarySize)
|
||||||
|
dictionaryPos = 0;
|
||||||
|
#endif
|
||||||
|
}
|
||||||
|
else
|
||||||
|
{
|
||||||
|
previousIsMatch = 1;
|
||||||
|
if (RangeDecoderBitDecode(p + IsRep + state, &rd) == 1)
|
||||||
|
{
|
||||||
|
if (RangeDecoderBitDecode(p + IsRepG0 + state, &rd) == 0)
|
||||||
|
{
|
||||||
|
if (RangeDecoderBitDecode(p + IsRep0Long + (state << kNumPosBitsMax) + posState, &rd) == 0)
|
||||||
|
{
|
||||||
|
#ifdef _LZMA_OUT_READ
|
||||||
|
UInt32 pos;
|
||||||
|
#endif
|
||||||
|
if (
|
||||||
|
(nowPos
|
||||||
|
#ifdef _LZMA_OUT_READ
|
||||||
|
+ globalPos
|
||||||
|
#endif
|
||||||
|
)
|
||||||
|
== 0)
|
||||||
|
return LZMA_RESULT_DATA_ERROR;
|
||||||
|
state = state < 7 ? 9 : 11;
|
||||||
|
#ifdef _LZMA_OUT_READ
|
||||||
|
pos = dictionaryPos - rep0;
|
||||||
|
if (pos >= dictionarySize)
|
||||||
|
pos += dictionarySize;
|
||||||
|
previousByte = dictionary[pos];
|
||||||
|
dictionary[dictionaryPos] = previousByte;
|
||||||
|
if (++dictionaryPos == dictionarySize)
|
||||||
|
dictionaryPos = 0;
|
||||||
|
#else
|
||||||
|
previousByte = outStream[nowPos - rep0];
|
||||||
|
#endif
|
||||||
|
outStream[nowPos++] = previousByte;
|
||||||
|
continue;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
else
|
||||||
|
{
|
||||||
|
UInt32 distance;
|
||||||
|
if(RangeDecoderBitDecode(p + IsRepG1 + state, &rd) == 0)
|
||||||
|
distance = rep1;
|
||||||
|
else
|
||||||
|
{
|
||||||
|
if(RangeDecoderBitDecode(p + IsRepG2 + state, &rd) == 0)
|
||||||
|
distance = rep2;
|
||||||
|
else
|
||||||
|
{
|
||||||
|
distance = rep3;
|
||||||
|
rep3 = rep2;
|
||||||
|
}
|
||||||
|
rep2 = rep1;
|
||||||
|
}
|
||||||
|
rep1 = rep0;
|
||||||
|
rep0 = distance;
|
||||||
|
}
|
||||||
|
len = LzmaLenDecode(p + RepLenCoder, &rd, posState);
|
||||||
|
state = state < 7 ? 8 : 11;
|
||||||
|
}
|
||||||
|
else
|
||||||
|
{
|
||||||
|
int posSlot;
|
||||||
|
rep3 = rep2;
|
||||||
|
rep2 = rep1;
|
||||||
|
rep1 = rep0;
|
||||||
|
state = state < 7 ? 7 : 10;
|
||||||
|
len = LzmaLenDecode(p + LenCoder, &rd, posState);
|
||||||
|
posSlot = RangeDecoderBitTreeDecode(p + PosSlot +
|
||||||
|
((len < kNumLenToPosStates ? len : kNumLenToPosStates - 1) <<
|
||||||
|
kNumPosSlotBits), kNumPosSlotBits, &rd);
|
||||||
|
if (posSlot >= kStartPosModelIndex)
|
||||||
|
{
|
||||||
|
int numDirectBits = ((posSlot >> 1) - 1);
|
||||||
|
rep0 = ((2 | ((UInt32)posSlot & 1)) << numDirectBits);
|
||||||
|
if (posSlot < kEndPosModelIndex)
|
||||||
|
{
|
||||||
|
rep0 += RangeDecoderReverseBitTreeDecode(
|
||||||
|
p + SpecPos + rep0 - posSlot - 1, numDirectBits, &rd);
|
||||||
|
}
|
||||||
|
else
|
||||||
|
{
|
||||||
|
rep0 += RangeDecoderDecodeDirectBits(&rd,
|
||||||
|
numDirectBits - kNumAlignBits) << kNumAlignBits;
|
||||||
|
rep0 += RangeDecoderReverseBitTreeDecode(p + Align, kNumAlignBits, &rd);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
else
|
||||||
|
rep0 = posSlot;
|
||||||
|
rep0++;
|
||||||
|
}
|
||||||
|
if (rep0 == (UInt32)(0))
|
||||||
|
{
|
||||||
|
/* it's for stream version */
|
||||||
|
len = -1;
|
||||||
|
break;
|
||||||
|
}
|
||||||
|
if (rep0 > nowPos
|
||||||
|
#ifdef _LZMA_OUT_READ
|
||||||
|
+ globalPos
|
||||||
|
#endif
|
||||||
|
)
|
||||||
|
{
|
||||||
|
return LZMA_RESULT_DATA_ERROR;
|
||||||
|
}
|
||||||
|
len += kMatchMinLen;
|
||||||
|
do
|
||||||
|
{
|
||||||
|
#ifdef _LZMA_OUT_READ
|
||||||
|
UInt32 pos = dictionaryPos - rep0;
|
||||||
|
if (pos >= dictionarySize)
|
||||||
|
pos += dictionarySize;
|
||||||
|
previousByte = dictionary[pos];
|
||||||
|
dictionary[dictionaryPos] = previousByte;
|
||||||
|
if (++dictionaryPos == dictionarySize)
|
||||||
|
dictionaryPos = 0;
|
||||||
|
#else
|
||||||
|
previousByte = outStream[nowPos - rep0];
|
||||||
|
#endif
|
||||||
|
outStream[nowPos++] = previousByte;
|
||||||
|
len--;
|
||||||
|
}
|
||||||
|
while(len > 0 && nowPos < outSize);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
#ifdef _LZMA_OUT_READ
|
||||||
|
vs->RangeDecoder = rd;
|
||||||
|
vs->DictionaryPos = dictionaryPos;
|
||||||
|
vs->GlobalPos = globalPos + nowPos;
|
||||||
|
vs->Reps[0] = rep0;
|
||||||
|
vs->Reps[1] = rep1;
|
||||||
|
vs->Reps[2] = rep2;
|
||||||
|
vs->Reps[3] = rep3;
|
||||||
|
vs->State = state;
|
||||||
|
vs->PreviousIsMatch = previousIsMatch;
|
||||||
|
vs->RemainLen = len;
|
||||||
|
#endif
|
||||||
|
|
||||||
|
*outSizeProcessed = nowPos;
|
||||||
|
return LZMA_RESULT_OK;
|
||||||
|
}
|
||||||
|
|
@ -0,0 +1,100 @@
|
||||||
|
/*
|
||||||
|
LzmaDecode.h
|
||||||
|
LZMA Decoder interface
|
||||||
|
|
||||||
|
LZMA SDK 4.05 Copyright (c) 1999-2004 Igor Pavlov (2004-08-25)
|
||||||
|
http://www.7-zip.org/
|
||||||
|
|
||||||
|
LZMA SDK is licensed under two licenses:
|
||||||
|
1) GNU Lesser General Public License (GNU LGPL)
|
||||||
|
2) Common Public License (CPL)
|
||||||
|
It means that you can select one of these two licenses and
|
||||||
|
follow rules of that license.
|
||||||
|
|
||||||
|
SPECIAL EXCEPTION:
|
||||||
|
Igor Pavlov, as the author of this code, expressly permits you to
|
||||||
|
statically or dynamically link your code (or bind by name) to the
|
||||||
|
interfaces of this file without subjecting your linked code to the
|
||||||
|
terms of the CPL or GNU LGPL. Any modifications or additions
|
||||||
|
to this file, however, are subject to the LGPL or CPL terms.
|
||||||
|
*/
|
||||||
|
|
||||||
|
#ifndef __LZMADECODE_H
|
||||||
|
#define __LZMADECODE_H
|
||||||
|
|
||||||
|
/* #define _LZMA_IN_CB */
|
||||||
|
/* Use callback for input data */
|
||||||
|
|
||||||
|
/* #define _LZMA_OUT_READ */
|
||||||
|
/* Use read function for output data */
|
||||||
|
|
||||||
|
/* #define _LZMA_PROB32 */
|
||||||
|
/* It can increase speed on some 32-bit CPUs,
|
||||||
|
but memory usage will be doubled in that case */
|
||||||
|
|
||||||
|
/* #define _LZMA_LOC_OPT */
|
||||||
|
/* Enable local speed optimizations inside code */
|
||||||
|
|
||||||
|
#ifndef UInt32
|
||||||
|
#ifdef _LZMA_UINT32_IS_ULONG
|
||||||
|
#define UInt32 unsigned long
|
||||||
|
#else
|
||||||
|
#define UInt32 unsigned int
|
||||||
|
#endif
|
||||||
|
#endif
|
||||||
|
|
||||||
|
#ifdef _LZMA_PROB32
|
||||||
|
#define CProb UInt32
|
||||||
|
#else
|
||||||
|
#define CProb unsigned short
|
||||||
|
#endif
|
||||||
|
|
||||||
|
#define LZMA_RESULT_OK 0
|
||||||
|
#define LZMA_RESULT_DATA_ERROR 1
|
||||||
|
#define LZMA_RESULT_NOT_ENOUGH_MEM 2
|
||||||
|
|
||||||
|
#ifdef _LZMA_IN_CB
|
||||||
|
typedef struct _ILzmaInCallback
|
||||||
|
{
|
||||||
|
int (*Read)(void *object, unsigned char **buffer, UInt32 *bufferSize);
|
||||||
|
} ILzmaInCallback;
|
||||||
|
#endif
|
||||||
|
|
||||||
|
#define LZMA_BASE_SIZE 1846
|
||||||
|
#define LZMA_LIT_SIZE 768
|
||||||
|
|
||||||
|
/*
|
||||||
|
bufferSize = (LZMA_BASE_SIZE + (LZMA_LIT_SIZE << (lc + lp)))* sizeof(CProb)
|
||||||
|
bufferSize += 100 in case of _LZMA_OUT_READ
|
||||||
|
by default CProb is unsigned short,
|
||||||
|
but if specify _LZMA_PROB_32, CProb will be UInt32(unsigned int)
|
||||||
|
*/
|
||||||
|
|
||||||
|
#ifdef _LZMA_OUT_READ
|
||||||
|
int LzmaDecoderInit(
|
||||||
|
unsigned char *buffer, UInt32 bufferSize,
|
||||||
|
int lc, int lp, int pb,
|
||||||
|
unsigned char *dictionary, UInt32 dictionarySize,
|
||||||
|
#ifdef _LZMA_IN_CB
|
||||||
|
ILzmaInCallback *inCallback
|
||||||
|
#else
|
||||||
|
unsigned char *inStream, UInt32 inSize
|
||||||
|
#endif
|
||||||
|
);
|
||||||
|
#endif
|
||||||
|
|
||||||
|
int LzmaDecode(
|
||||||
|
unsigned char *buffer,
|
||||||
|
#ifndef _LZMA_OUT_READ
|
||||||
|
UInt32 bufferSize,
|
||||||
|
int lc, int lp, int pb,
|
||||||
|
#ifdef _LZMA_IN_CB
|
||||||
|
ILzmaInCallback *inCallback,
|
||||||
|
#else
|
||||||
|
unsigned char *inStream, UInt32 inSize,
|
||||||
|
#endif
|
||||||
|
#endif
|
||||||
|
unsigned char *outStream, UInt32 outSize,
|
||||||
|
UInt32 *outSizeProcessed);
|
||||||
|
|
||||||
|
#endif
|
||||||
|
|
@ -0,0 +1,77 @@
|
||||||
|
#
|
||||||
|
# Makefile for Broadcom BCM947XX boards
|
||||||
|
#
|
||||||
|
# Copyright 2001-2003, Broadcom Corporation
|
||||||
|
# All Rights Reserved.
|
||||||
|
#
|
||||||
|
# THIS SOFTWARE IS OFFERED "AS IS", AND BROADCOM GRANTS NO WARRANTIES OF ANY
|
||||||
|
# KIND, EXPRESS OR IMPLIED, BY STATUTE, COMMUNICATION OR OTHERWISE. BROADCOM
|
||||||
|
# SPECIFICALLY DISCLAIMS ANY IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS
|
||||||
|
# FOR A SPECIFIC PURPOSE OR NONINFRINGEMENT CONCERNING THIS SOFTWARE.
|
||||||
|
#
|
||||||
|
# Copyright 2004 Manuel Novoa III <mjn3@codepoet.org>
|
||||||
|
# Modified to support bzip'd kernels.
|
||||||
|
# Of course, it would be better to integrate bunzip capability into CFE.
|
||||||
|
#
|
||||||
|
# Copyright 2005 Oleg I. Vdovikin <oleg@cs.msu.su>
|
||||||
|
# Cleaned up, modified for lzma support, removed from kernel
|
||||||
|
#
|
||||||
|
|
||||||
|
TEXT_START := 0x80001000
|
||||||
|
BZ_TEXT_START := 0x80400000
|
||||||
|
|
||||||
|
OBJCOPY := $(CROSS_COMPILE)objcopy -O binary -R .reginfo -R .note -R .comment -R .mdebug -S
|
||||||
|
|
||||||
|
CFLAGS = -D__KERNEL__ -Wall -Wstrict-prototypes -Wno-trigraphs -Os \
|
||||||
|
-fno-strict-aliasing -fno-common -fomit-frame-pointer -G 0 -mno-abicalls -fno-pic \
|
||||||
|
-ffunction-sections -pipe -mlong-calls -fno-common \
|
||||||
|
-mabi=32 -march=mips32 -Wa,-32 -Wa,-march=mips32 -Wa,-mips32 -Wa,--trap
|
||||||
|
CFLAGS += -DLOADADDR=$(TEXT_START) -D_LZMA_IN_CB
|
||||||
|
|
||||||
|
ASFLAGS = $(CFLAGS) -D__ASSEMBLY__ -DBZ_TEXT_START=$(BZ_TEXT_START)
|
||||||
|
|
||||||
|
SEDFLAGS := s/BZ_TEXT_START/$(BZ_TEXT_START)/;s/TEXT_START/$(TEXT_START)/
|
||||||
|
|
||||||
|
OBJECTS := head.o data.o
|
||||||
|
|
||||||
|
all: loader.gz loader.elf
|
||||||
|
|
||||||
|
# Don't build dependencies, this may die if $(CC) isn't gcc
|
||||||
|
dep:
|
||||||
|
|
||||||
|
install:
|
||||||
|
|
||||||
|
loader.gz: loader
|
||||||
|
gzip -nc9 $< > $@
|
||||||
|
|
||||||
|
loader.elf: loader.o
|
||||||
|
cp $< $@
|
||||||
|
|
||||||
|
loader: loader.o
|
||||||
|
$(OBJCOPY) $< $@
|
||||||
|
|
||||||
|
loader.o: loader.lds $(OBJECTS)
|
||||||
|
$(LD) -static --gc-sections -no-warn-mismatch -T loader.lds -o $@ $(OBJECTS)
|
||||||
|
|
||||||
|
loader.lds: loader.lds.in Makefile
|
||||||
|
@sed "$(SEDFLAGS)" < $< > $@
|
||||||
|
|
||||||
|
data.o: data.lds decompress.image
|
||||||
|
$(LD) -no-warn-mismatch -T data.lds -r -o $@ -b binary decompress.image -b elf32-tradlittlemips
|
||||||
|
|
||||||
|
data.lds:
|
||||||
|
@echo "SECTIONS { .data : { code_start = .; *(.data) code_stop = .; }}" > $@
|
||||||
|
|
||||||
|
decompress.image: decompress
|
||||||
|
$(OBJCOPY) $< $@
|
||||||
|
|
||||||
|
decompress: decompress.lds decompress.o LzmaDecode.o
|
||||||
|
$(LD) -static --gc-sections -no-warn-mismatch -T decompress.lds -o $@ decompress.o LzmaDecode.o
|
||||||
|
|
||||||
|
decompress.lds: decompress.lds.in Makefile
|
||||||
|
@sed "$(SEDFLAGS)" < $< > $@
|
||||||
|
|
||||||
|
mrproper: clean
|
||||||
|
|
||||||
|
clean:
|
||||||
|
rm -f loader.gz loader decompress *.lds *.o *.image
|
||||||
|
|
@ -0,0 +1,55 @@
|
||||||
|
/*
|
||||||
|
* LZMA compressed kernel decompressor for bcm947xx boards
|
||||||
|
*
|
||||||
|
* Copyright (C) 2005 by Oleg I. Vdovikin <oleg@cs.msu.su>
|
||||||
|
*
|
||||||
|
* This program is free software; you can redistribute it and/or modify
|
||||||
|
* it under the terms of the GNU General Public License as published by
|
||||||
|
* the Free Software Foundation; either version 2 of the License, or
|
||||||
|
* (at your option) any later version.
|
||||||
|
*
|
||||||
|
* This program is distributed in the hope that it will be useful,
|
||||||
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||||
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
||||||
|
* General Public License for more details.
|
||||||
|
*
|
||||||
|
* You should have received a copy of the GNU General Public License
|
||||||
|
* along with this program; if not, write to the Free Software
|
||||||
|
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
|
||||||
|
*
|
||||||
|
*/
|
||||||
|
|
||||||
|
The code is intended to decompress kernel, being compressed using lzma utility
|
||||||
|
build using 7zip LZMA SDK. This utility is located in the LZMA_Alone directory
|
||||||
|
|
||||||
|
decompressor code expects that your .trx file consist of three partitions:
|
||||||
|
|
||||||
|
1) decompressor itself (this is gziped code which pmon/cfe will extract and run
|
||||||
|
on boot-up instead of real kernel)
|
||||||
|
2) LZMA compressed kernel (both streamed and regular modes are supported now)
|
||||||
|
3) Root filesystem
|
||||||
|
|
||||||
|
Please be sure to apply the following patch for use this new trx layout (it will
|
||||||
|
allow using both new and old trx files for root filesystem lookup code)
|
||||||
|
|
||||||
|
--- linuz/arch/mips/brcm-boards/bcm947xx/setup.c 2005-01-23 19:24:27.503322896 +0300
|
||||||
|
+++ linux/arch/mips/brcm-boards/bcm947xx/setup.c 2005-01-23 19:29:05.237100944 +0300
|
||||||
|
@@ -221,7 +221,9 @@
|
||||||
|
/* Try looking at TRX header for rootfs offset */
|
||||||
|
if (le32_to_cpu(trx->magic) == TRX_MAGIC) {
|
||||||
|
bcm947xx_parts[1].offset = off;
|
||||||
|
- if (le32_to_cpu(trx->offsets[1]) > off)
|
||||||
|
+ if (le32_to_cpu(trx->offsets[2]) > off)
|
||||||
|
+ off = le32_to_cpu(trx->offsets[2]);
|
||||||
|
+ else if (le32_to_cpu(trx->offsets[1]) > off)
|
||||||
|
off = le32_to_cpu(trx->offsets[1]);
|
||||||
|
continue;
|
||||||
|
}
|
||||||
|
|
||||||
|
|
||||||
|
Revision history:
|
||||||
|
0.02 Initial release
|
||||||
|
0.03 Added Mineharu Takahara <mtakahar@yahoo.com> patch to pass actual
|
||||||
|
output size to decoder (stream mode compressed input is not
|
||||||
|
a requirement anymore)
|
||||||
|
0.04 Reordered functions using lds script
|
||||||
|
|
@ -0,0 +1,179 @@
|
||||||
|
/*
|
||||||
|
* LZMA compressed kernel decompressor for bcm947xx boards
|
||||||
|
*
|
||||||
|
* Copyright (C) 2005 by Oleg I. Vdovikin <oleg@cs.msu.su>
|
||||||
|
*
|
||||||
|
* This program is free software; you can redistribute it and/or modify
|
||||||
|
* it under the terms of the GNU General Public License as published by
|
||||||
|
* the Free Software Foundation; either version 2 of the License, or
|
||||||
|
* (at your option) any later version.
|
||||||
|
*
|
||||||
|
* This program is distributed in the hope that it will be useful,
|
||||||
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||||
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
||||||
|
* General Public License for more details.
|
||||||
|
*
|
||||||
|
* You should have received a copy of the GNU General Public License
|
||||||
|
* along with this program; if not, write to the Free Software
|
||||||
|
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
|
||||||
|
*
|
||||||
|
*
|
||||||
|
* Please note, this was code based on the bunzip2 decompressor code
|
||||||
|
* by Manuel Novoa III (mjn3@codepoet.org), although the only thing left
|
||||||
|
* is an idea and part of original vendor code
|
||||||
|
*
|
||||||
|
*
|
||||||
|
* 12-Mar-2005 Mineharu Takahara <mtakahar@yahoo.com>
|
||||||
|
* pass actual output size to decoder (stream mode
|
||||||
|
* compressed input is not a requirement anymore)
|
||||||
|
*
|
||||||
|
* 24-Apr-2005 Oleg I. Vdovikin
|
||||||
|
* reordered functions using lds script, removed forward decl
|
||||||
|
*
|
||||||
|
*/
|
||||||
|
|
||||||
|
#include "LzmaDecode.h"
|
||||||
|
|
||||||
|
#define BCM4710_FLASH 0x1fc00000 /* Flash */
|
||||||
|
|
||||||
|
#define KSEG0 0x80000000
|
||||||
|
#define KSEG1 0xa0000000
|
||||||
|
|
||||||
|
#define KSEG1ADDR(a) ((((unsigned)(a)) & 0x1fffffffU) | KSEG1)
|
||||||
|
|
||||||
|
#define Index_Invalidate_I 0x00
|
||||||
|
#define Index_Writeback_Inv_D 0x01
|
||||||
|
|
||||||
|
#define cache_unroll(base,op) \
|
||||||
|
__asm__ __volatile__( \
|
||||||
|
".set noreorder;\n" \
|
||||||
|
".set mips3;\n" \
|
||||||
|
"cache %1, (%0);\n" \
|
||||||
|
".set mips0;\n" \
|
||||||
|
".set reorder\n" \
|
||||||
|
: \
|
||||||
|
: "r" (base), \
|
||||||
|
"i" (op));
|
||||||
|
|
||||||
|
static __inline__ void blast_icache(unsigned long size, unsigned long lsize)
|
||||||
|
{
|
||||||
|
unsigned long start = KSEG0;
|
||||||
|
unsigned long end = (start + size);
|
||||||
|
|
||||||
|
while(start < end) {
|
||||||
|
cache_unroll(start,Index_Invalidate_I);
|
||||||
|
start += lsize;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
static __inline__ void blast_dcache(unsigned long size, unsigned long lsize)
|
||||||
|
{
|
||||||
|
unsigned long start = KSEG0;
|
||||||
|
unsigned long end = (start + size);
|
||||||
|
|
||||||
|
while(start < end) {
|
||||||
|
cache_unroll(start,Index_Writeback_Inv_D);
|
||||||
|
start += lsize;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
#define TRX_MAGIC 0x30524448 /* "HDR0" */
|
||||||
|
|
||||||
|
struct trx_header {
|
||||||
|
unsigned int magic; /* "HDR0" */
|
||||||
|
unsigned int len; /* Length of file including header */
|
||||||
|
unsigned int crc32; /* 32-bit CRC from flag_version to end of file */
|
||||||
|
unsigned int flag_version; /* 0:15 flags, 16:31 version */
|
||||||
|
unsigned int offsets[3]; /* Offsets of partitions from start of header */
|
||||||
|
};
|
||||||
|
|
||||||
|
/* beyound the image end, size not known in advance */
|
||||||
|
extern unsigned char workspace[];
|
||||||
|
|
||||||
|
unsigned int offset;
|
||||||
|
unsigned char *data;
|
||||||
|
|
||||||
|
/* flash access should be aligned, so wrapper is used */
|
||||||
|
/* read byte from the flash, all accesses are 32-bit aligned */
|
||||||
|
static int read_byte(void *object, unsigned char **buffer, UInt32 *bufferSize)
|
||||||
|
{
|
||||||
|
static unsigned int val;
|
||||||
|
|
||||||
|
if (((unsigned int)offset % 4) == 0) {
|
||||||
|
val = *(unsigned int *)data;
|
||||||
|
data += 4;
|
||||||
|
}
|
||||||
|
|
||||||
|
*bufferSize = 1;
|
||||||
|
*buffer = ((unsigned char *)&val) + (offset++ & 3);
|
||||||
|
|
||||||
|
return LZMA_RESULT_OK;
|
||||||
|
}
|
||||||
|
|
||||||
|
static __inline__ unsigned char get_byte(void)
|
||||||
|
{
|
||||||
|
unsigned char *buffer;
|
||||||
|
UInt32 fake;
|
||||||
|
|
||||||
|
return read_byte(0, &buffer, &fake), *buffer;
|
||||||
|
}
|
||||||
|
|
||||||
|
/* should be the first function */
|
||||||
|
void entry(unsigned long icache_size, unsigned long icache_lsize,
|
||||||
|
unsigned long dcache_size, unsigned long dcache_lsize,
|
||||||
|
unsigned long fw_arg0, unsigned long fw_arg1,
|
||||||
|
unsigned long fw_arg2, unsigned long fw_arg3)
|
||||||
|
{
|
||||||
|
unsigned int i; /* temp value */
|
||||||
|
unsigned int lc; /* literal context bits */
|
||||||
|
unsigned int lp; /* literal pos state bits */
|
||||||
|
unsigned int pb; /* pos state bits */
|
||||||
|
unsigned int osize; /* uncompressed size */
|
||||||
|
|
||||||
|
ILzmaInCallback callback;
|
||||||
|
callback.Read = read_byte;
|
||||||
|
|
||||||
|
/* look for trx header, 32-bit data access */
|
||||||
|
for (data = ((unsigned char *) KSEG1ADDR(BCM4710_FLASH));
|
||||||
|
((struct trx_header *)data)->magic != TRX_MAGIC; data += 65536);
|
||||||
|
|
||||||
|
/* compressed kernel is in the partition 0 or 1 */
|
||||||
|
if (((struct trx_header *)data)->offsets[1] > 65536)
|
||||||
|
data += ((struct trx_header *)data)->offsets[0];
|
||||||
|
else
|
||||||
|
data += ((struct trx_header *)data)->offsets[1];
|
||||||
|
|
||||||
|
offset = 0;
|
||||||
|
|
||||||
|
/* lzma args */
|
||||||
|
i = get_byte();
|
||||||
|
lc = i % 9, i = i / 9;
|
||||||
|
lp = i % 5, pb = i / 5;
|
||||||
|
|
||||||
|
/* skip rest of the LZMA coder property */
|
||||||
|
for (i = 0; i < 4; i++)
|
||||||
|
get_byte();
|
||||||
|
|
||||||
|
/* read the lower half of uncompressed size in the header */
|
||||||
|
osize = ((unsigned int)get_byte()) +
|
||||||
|
((unsigned int)get_byte() << 8) +
|
||||||
|
((unsigned int)get_byte() << 16) +
|
||||||
|
((unsigned int)get_byte() << 24);
|
||||||
|
|
||||||
|
/* skip rest of the header (upper half of uncompressed size) */
|
||||||
|
for (i = 0; i < 4; i++)
|
||||||
|
get_byte();
|
||||||
|
|
||||||
|
/* decompress kernel */
|
||||||
|
if (LzmaDecode(workspace, ~0, lc, lp, pb, &callback,
|
||||||
|
(unsigned char*)LOADADDR, osize, &i) == LZMA_RESULT_OK)
|
||||||
|
{
|
||||||
|
blast_dcache(dcache_size, dcache_lsize);
|
||||||
|
blast_icache(icache_size, icache_lsize);
|
||||||
|
|
||||||
|
/* Jump to load address */
|
||||||
|
((void (*)(unsigned long, unsigned long, unsigned long,
|
||||||
|
unsigned long)) LOADADDR)(fw_arg0, fw_arg1, fw_arg2,
|
||||||
|
fw_arg3);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
@ -0,0 +1,20 @@
|
||||||
|
OUTPUT_ARCH(mips)
|
||||||
|
ENTRY(entry)
|
||||||
|
SECTIONS {
|
||||||
|
. = BZ_TEXT_START;
|
||||||
|
.text : {
|
||||||
|
*(.text.entry)
|
||||||
|
*(.text)
|
||||||
|
*(.rodata)
|
||||||
|
}
|
||||||
|
|
||||||
|
.data : {
|
||||||
|
*(.data)
|
||||||
|
}
|
||||||
|
|
||||||
|
.bss : {
|
||||||
|
*(.bss)
|
||||||
|
}
|
||||||
|
|
||||||
|
workspace = .;
|
||||||
|
}
|
||||||
|
|
@ -0,0 +1,160 @@
|
||||||
|
/* Copyright 2005 Oleg I. Vdovikin (oleg@cs.msu.su) */
|
||||||
|
/* cache manipulation adapted from Broadcom code */
|
||||||
|
/* idea taken from original bunzip2 decompressor code */
|
||||||
|
/* Copyright 2004 Manuel Novoa III (mjn3@codepoet.org) */
|
||||||
|
/* Licensed under the linux kernel's version of the GPL.*/
|
||||||
|
|
||||||
|
#include <asm/asm.h>
|
||||||
|
#include <asm/regdef.h>
|
||||||
|
|
||||||
|
#define KSEG0 0x80000000
|
||||||
|
|
||||||
|
#define C0_CONFIG $16
|
||||||
|
#define C0_TAGLO $28
|
||||||
|
#define C0_TAGHI $29
|
||||||
|
|
||||||
|
#define CONF1_DA_SHIFT 7 /* D$ associativity */
|
||||||
|
#define CONF1_DA_MASK 0x00000380
|
||||||
|
#define CONF1_DA_BASE 1
|
||||||
|
#define CONF1_DL_SHIFT 10 /* D$ line size */
|
||||||
|
#define CONF1_DL_MASK 0x00001c00
|
||||||
|
#define CONF1_DL_BASE 2
|
||||||
|
#define CONF1_DS_SHIFT 13 /* D$ sets/way */
|
||||||
|
#define CONF1_DS_MASK 0x0000e000
|
||||||
|
#define CONF1_DS_BASE 64
|
||||||
|
#define CONF1_IA_SHIFT 16 /* I$ associativity */
|
||||||
|
#define CONF1_IA_MASK 0x00070000
|
||||||
|
#define CONF1_IA_BASE 1
|
||||||
|
#define CONF1_IL_SHIFT 19 /* I$ line size */
|
||||||
|
#define CONF1_IL_MASK 0x00380000
|
||||||
|
#define CONF1_IL_BASE 2
|
||||||
|
#define CONF1_IS_SHIFT 22 /* Instruction cache sets/way */
|
||||||
|
#define CONF1_IS_MASK 0x01c00000
|
||||||
|
#define CONF1_IS_BASE 64
|
||||||
|
|
||||||
|
#define Index_Invalidate_I 0x00
|
||||||
|
#define Index_Writeback_Inv_D 0x01
|
||||||
|
|
||||||
|
.text
|
||||||
|
LEAF(startup)
|
||||||
|
.set noreorder
|
||||||
|
addi sp, -48
|
||||||
|
sw a0, 16(sp)
|
||||||
|
sw a1, 20(sp)
|
||||||
|
sw a2, 24(sp)
|
||||||
|
sw a3, 28(sp)
|
||||||
|
|
||||||
|
/* Copy decompressor code to the right place */
|
||||||
|
li t2, BZ_TEXT_START
|
||||||
|
add a0, t2, 0
|
||||||
|
la a1, code_start
|
||||||
|
la a2, code_stop
|
||||||
|
$L1:
|
||||||
|
lw t0, 0(a1)
|
||||||
|
sw t0, 0(a0)
|
||||||
|
add a1, 4
|
||||||
|
add a0, 4
|
||||||
|
blt a1, a2, $L1
|
||||||
|
nop
|
||||||
|
|
||||||
|
/* At this point we need to invalidate dcache and */
|
||||||
|
/* icache before jumping to new code */
|
||||||
|
|
||||||
|
1: /* Get cache sizes */
|
||||||
|
.set mips32
|
||||||
|
mfc0 s0,C0_CONFIG,1
|
||||||
|
.set mips0
|
||||||
|
|
||||||
|
li s1,CONF1_DL_MASK
|
||||||
|
and s1,s0
|
||||||
|
beq s1,zero,nodc
|
||||||
|
nop
|
||||||
|
|
||||||
|
srl s1,CONF1_DL_SHIFT
|
||||||
|
li t0,CONF1_DL_BASE
|
||||||
|
sll s1,t0,s1 /* s1 has D$ cache line size */
|
||||||
|
|
||||||
|
li s2,CONF1_DA_MASK
|
||||||
|
and s2,s0
|
||||||
|
srl s2,CONF1_DA_SHIFT
|
||||||
|
addiu s2,CONF1_DA_BASE /* s2 now has D$ associativity */
|
||||||
|
|
||||||
|
li t0,CONF1_DS_MASK
|
||||||
|
and t0,s0
|
||||||
|
srl t0,CONF1_DS_SHIFT
|
||||||
|
li s3,CONF1_DS_BASE
|
||||||
|
sll s3,s3,t0 /* s3 has D$ sets per way */
|
||||||
|
|
||||||
|
multu s2,s3 /* sets/way * associativity */
|
||||||
|
mflo t0 /* total cache lines */
|
||||||
|
|
||||||
|
multu s1,t0 /* D$ linesize * lines */
|
||||||
|
mflo s2 /* s2 is now D$ size in bytes */
|
||||||
|
|
||||||
|
/* Initilize the D$: */
|
||||||
|
mtc0 zero,C0_TAGLO
|
||||||
|
mtc0 zero,C0_TAGHI
|
||||||
|
|
||||||
|
li t0,KSEG0 /* Just an address for the first $ line */
|
||||||
|
addu t1,t0,s2 /* + size of cache == end */
|
||||||
|
|
||||||
|
.set mips3
|
||||||
|
1: cache Index_Writeback_Inv_D,0(t0)
|
||||||
|
.set mips0
|
||||||
|
bne t0,t1,1b
|
||||||
|
addu t0,s1
|
||||||
|
|
||||||
|
nodc:
|
||||||
|
/* Now we get to do it all again for the I$ */
|
||||||
|
|
||||||
|
move s3,zero /* just in case there is no icache */
|
||||||
|
move s4,zero
|
||||||
|
|
||||||
|
li t0,CONF1_IL_MASK
|
||||||
|
and t0,s0
|
||||||
|
beq t0,zero,noic
|
||||||
|
nop
|
||||||
|
|
||||||
|
srl t0,CONF1_IL_SHIFT
|
||||||
|
li s3,CONF1_IL_BASE
|
||||||
|
sll s3,t0 /* s3 has I$ cache line size */
|
||||||
|
|
||||||
|
li t0,CONF1_IA_MASK
|
||||||
|
and t0,s0
|
||||||
|
srl t0,CONF1_IA_SHIFT
|
||||||
|
addiu s4,t0,CONF1_IA_BASE /* s4 now has I$ associativity */
|
||||||
|
|
||||||
|
li t0,CONF1_IS_MASK
|
||||||
|
and t0,s0
|
||||||
|
srl t0,CONF1_IS_SHIFT
|
||||||
|
li s5,CONF1_IS_BASE
|
||||||
|
sll s5,t0 /* s5 has I$ sets per way */
|
||||||
|
|
||||||
|
multu s4,s5 /* sets/way * associativity */
|
||||||
|
mflo t0 /* s4 is now total cache lines */
|
||||||
|
|
||||||
|
multu s3,t0 /* I$ linesize * lines */
|
||||||
|
mflo s4 /* s4 is cache size in bytes */
|
||||||
|
|
||||||
|
/* Initilize the I$: */
|
||||||
|
mtc0 zero,C0_TAGLO
|
||||||
|
mtc0 zero,C0_TAGHI
|
||||||
|
|
||||||
|
li t0,KSEG0 /* Just an address for the first $ line */
|
||||||
|
addu t1,t0,s4 /* + size of cache == end */
|
||||||
|
|
||||||
|
.set mips3
|
||||||
|
1: cache Index_Invalidate_I,0(t0)
|
||||||
|
.set mips0
|
||||||
|
bne t0,t1,1b
|
||||||
|
addu t0,s3
|
||||||
|
|
||||||
|
noic:
|
||||||
|
move a0,s3 /* icache line size */
|
||||||
|
move a1,s4 /* icache size */
|
||||||
|
move a2,s1 /* dcache line size */
|
||||||
|
jal t2
|
||||||
|
move a3,s2 /* dcache size */
|
||||||
|
|
||||||
|
.set reorder
|
||||||
|
END(startup)
|
||||||
|
|
@ -0,0 +1,17 @@
|
||||||
|
OUTPUT_ARCH(mips)
|
||||||
|
ENTRY(startup)
|
||||||
|
SECTIONS {
|
||||||
|
. = TEXT_START;
|
||||||
|
.text : {
|
||||||
|
*(.text)
|
||||||
|
*(.rodata)
|
||||||
|
}
|
||||||
|
|
||||||
|
.data : {
|
||||||
|
*(.data)
|
||||||
|
}
|
||||||
|
|
||||||
|
.bss : {
|
||||||
|
*(.bss)
|
||||||
|
}
|
||||||
|
}
|
||||||
Loading…
Reference in New Issue