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mtdow fixes level 1

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This commit is contained in:
Steven Barth 2008-09-18 14:02:23 +00:00
parent a9fba87a13
commit 8ff88fcd85
1 changed files with 10 additions and 15 deletions
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25
libs/sys/luasrc/sys/mtdow.lua
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@ -159,16 +159,16 @@ end
function Writer._find_mtdblock(self, mtdname)
local k
local prefix = "/dev/mtdblock"
local prefix = "/dev/mtd"
prefix = prefix .. (fs.stat(prefix) and "/" or "")
for l in io.lines("/proc/mtd") do
local k = l:match('([%w-_]+):.*-"%s"' % mtdname)
local k = l:match('mtd([%%w-_]+):.*"%s"' % mtdname)
if k then return prefix..k end
end
end
function Write._write_emulated(self, devicename, imagestream, appendfile)
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")
@ -189,39 +189,34 @@ function Writer._write_memory(self, devicename, imagestream)
end
function Writer._write_combined(self, devicename, imagestream, appendfile)
assert(fs.copy(self.MTD, self.SAFEMTD), ERROR_INTERNAL)
assert(posix.mkfifo(self.IMAGEFIFO), ERROR_RESOURCE)
local imagefifo = io.open(self.IMAGEFIFO, "w")
assert(imagefifo, ERROR_RESOURCE)
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'" % {
self.SAFEMTD, appendfile, devicename, self.IMAGEFIFO
self.MTD, appendfile, self.IMAGEFIFO, devicename
}
)
end
function Writer._refresh_block(self, devicename)
assert(fs.copy(self.MTD, self.SAFEMTD), ERROR_INTERNAL)
return os.execute("%s refresh '%s'" % {self.SAFEMTD, devicename})
return os.execute("%s refresh '%s'" % {self.MTD, devicename})
end
function Writer._append(self, devicename, appendfile, erase)
assert(fs.copy(self.MTD, self.SAFEMTD), ERROR_INTERNAL)
erase = erase and ("-e '%s' " % devicename) or ''
return os.execute(
"%s %s jffs2write '%s' '%s'" % {
self.SAFEMTD, erase, appendfile, devicename
self.MTD, erase, appendfile, devicename
}
)
end