diff options
author | Steven Barth <steven@midlink.org> | 2008-09-18 21:45:01 +0000 |
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committer | Steven Barth <steven@midlink.org> | 2008-09-18 21:45:01 +0000 |
commit | a54b1945c407b7fecaae8aac57fa3338eb11a3bc (patch) | |
tree | 0a00ccd8a3db725d2b1e5bfa6a54caa6459bcc82 /libs/sys | |
parent | 8f5d0d6ff5a1cbb40eccce5eeb99d5249bab5159 (diff) |
Revert mtdow
Diffstat (limited to 'libs/sys')
-rw-r--r-- | libs/sys/luasrc/sys/mtdow.lua | 254 |
1 files changed, 0 insertions, 254 deletions
diff --git a/libs/sys/luasrc/sys/mtdow.lua b/libs/sys/luasrc/sys/mtdow.lua deleted file mode 100644 index 0587dd4c3..000000000 --- a/libs/sys/luasrc/sys/mtdow.lua +++ /dev/null @@ -1,254 +0,0 @@ ---[[ -LuCI - Lua Configuration Interface - -Copyright 2008 Steven Barth <steven@midlink.org> -Copyright 2008 Jo-Philipp Wich <xm@leipzig.freifunk.net> - -Licensed under the Apache License, Version 2.0 (the "License"); -you may not use this file except in compliance with the License. -You may obtain a copy of the License at - -http://www.apache.org/licenses/LICENSE-2.0 - -$Id$ -]]-- - -local io = require "io" -local os = require "os" -local fs = require "luci.fs" -local util = require "luci.util" -local ltn12 = require "luci.ltn12" -local posix = require "posix" - -local type, assert, error, ipairs = type, assert, error, ipairs - -module "luci.sys.mtdow" - -WRITE_IMAGE = 0 -WRITE_COMBINED = 1 -WRITE_EMULATED = 2 - -ERROR_INTERNAL = 1 -ERROR_NOTFOUND = 2 -ERROR_RESOURCE = 3 -ERROR_NODETECT = 4 -ERROR_NOTAVAIL = 5 -ERROR_NOSTREAM = 6 -ERROR_INVMAGIC = 7 - -Writer = util.class() - --- x86 -EmulatedWriter = util.class(Writer) -EmulatedWriter.blocks = { - image = { - magic = "eb48", - device = "/dev/hda", - write = WRITE_EMULATED - } -} - -function EmulatedWriter.write_block(self, name, imagestream, appendpattern) - if appendpattern then - os.execute("grep rootfs /proc/mtd >/dev/null || " - .. "{ echo /dev/hda2,65536,rootfs > " - .. "/sys/module/block2mtd/parameters/block2mtd }") - end - return Writer.write_block(self, name, imagestream, appendpattern) -end - --- Broadcom -CFEWriter = util.class(Writer) -CFEWriter.blocks = { - image = { - magic = {"4844", "5735"}, - device = "linux", - write = WRITE_IMAGE, - system = true - } -} - --- Magicbox -CommonWriter = util.class(Writer) -CommonWriter.blocks = { - image = { - device = "linux", - write = WRITE_COMBINED, - system = true - } -} - --- Atheros -RedWriter = util.class(Writer) -RedWriter.blocks = { - kernel = { - device = "vmlinux.bin.l7", - write = WRITE_IMAGE - }, - rootfs = { - device = "rootfs", - write = WRITE_COMBINED, - system = true - } -} - --- Auto Detect -function native_writer() - local w = Writer() - - -- Detect amd64 / x86 - local x86 = {"x86_64", "i386", "i486", "i586", "i686"} - if util.contains(x86, posix.uname("%m")) then - return EmulatedWriter() - end - - -- Detect CFE - if w:_find_mtdblock("cfe") and w:_find_mtdblock("linux") then - return CFEWriter() - end - - -- Detect Redboot - if w:_find_mtdblock("RedBoot") and w:_find_mtdblock("vmlinux.bin.l7") then - return RedWriter() - end - - -- Detect MagicBox - if fs.readfile("/proc/cpuinfo"):find("MagicBox") then - return CommonWriter() - end -end - - - -Writer.COPY = {"/sbin/mtd"} -Writer.MTD = "/tmp/mtd" -Writer.IMAGEFIFO = "/tmp/mtdimage.fifo" - - -function Writer.write_block(self, name, imagestream, appendfile) - assert(self.blocks[name], ERROR_NOTFOUND) - local block = self.blocks[name] - local device = block.device - device = fs.stat(device) and device or self:_find_mtdblock(device) - assert(device, ERROR_NODETECT) - if block.magic then - imagestream = self:_check_magic(imagestream, block.magic) - end - assert(imagestream, ERROR_INVMAGIC) - - self:_prepare_env() - - if appendfile then - if block.write == WRITE_COMBINED then - return (self:_write_combined(device, imagestream, appendfile) == 0) - elseif block.write == WRITE_EMULATED then - return (self:_write_emulated(device, imagestream, appendfile) == 0) - else - error(ERROR_NOTAVAIL) - end - else - return (self:_write_memory(device, imagestream) == 0) - end -end - -function Writer._prepare_env(self) - if self._prepared then - return - end - - for k, app in ipairs(self.COPY) do - local target = "/tmp/"..fs.basename(app) - fs.unlink(target) - fs.copy(app, target) - fs.chmod(target, "rwx------") - end - - self._prepared = true -end - -function Writer._check_magic(self, imagestream, magic) - magic = type(magic) == "table" and magic or {magic} - - local block = imagestream() - assert(block, ERROR_NOSTREAM) - local cm = "%x%x" % {block:byte(1), block:byte(2)} - - if util.contains(magic, cm) then - return ltn12.source.cat(ltn12.source.string(block), imagestream) - end -end - -function Writer._find_mtdblock(self, mtdname) - local k - local prefix = "/dev/mtd" - prefix = prefix .. (fs.stat(prefix) and "/" or "") - - for l in io.lines("/proc/mtd") do - local k = l:match('mtd([%%w-_]+):.*"%s"' % mtdname) - if k then return prefix..k end - end -end - -function Writer._write_emulated(self, devicename, imagestream, appendfile) - local stat = (self:_write_memory(device, imagestream) == 0) - stat = stat and (self:_refresh_block("rootfs") == 0) - local squash = self:_find_mtdblock("rootfs_data") - if squash then - stat = stat and (self:_append("rootfs_data", imagestream, true) == 0) - else - stat = stat and (self:_append("rootfs", imagestream) == 0) - end - return stat -end - -function Writer._write_memory(self, devicename, imagestream) - local imageproc = posix.fork() - assert(imageproc ~= -1, ERROR_RESOURCE) - if imageproc == 0 then - fs.unlink(self.IMAGEFIFO) - assert(posix.mkfifo(self.IMAGEFIFO), ERROR_RESOURCE) - local imagefifo = io.open(self.IMAGEFIFO, "w") - assert(imagefifo, ERROR_RESOURCE) - ltn12.pump.all(imagestream, ltn12.sink.file(imagefifo)) - os.exit(0) - end - - return os.execute( - "%s write '%s' '%s' >/dev/null 2>&1" % { - self.MTD, self.IMAGEFIFO, devicename - } - ) -end - -function Writer._write_combined(self, devicename, imagestream, appendfile) - local imageproc = posix.fork() - assert(imageproc ~= -1, ERROR_RESOURCE) - if imageproc == 0 then - fs.unlink(self.IMAGEFIFO) - assert(posix.mkfifo(self.IMAGEFIFO), ERROR_RESOURCE) - local imagefifo = io.open(self.IMAGEFIFO, "w") - assert(imagefifo, ERROR_RESOURCE) - ltn12.pump.all(imagestream, ltn12.sink.file(imagefifo)) - os.exit(0) - end - - return os.execute( - "%s -j '%s' write '%s' '%s' >/dev/null 2>&1" % { - self.MTD, appendfile, self.IMAGEFIFO, devicename - } - ) -end - -function Writer._refresh_block(self, devicename) - return os.execute("%s refresh '%s' >/dev/null 2>&1" % {self.MTD, devicename}) -end - -function Writer._append(self, devicename, appendfile, erase) - erase = erase and ("-e '%s' " % devicename) or '' - - return os.execute( - "%s %s jffs2write '%s' '%s' >/dev/null 2>&1" % { - self.MTD, erase, appendfile, devicename - } - ) -end
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