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More mtdow fixes

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This commit is contained in:
Steven Barth 2008-09-18 16:44:49 +00:00
parent d87d01a24b
commit 8509b6a83f
1 changed files with 16 additions and 5 deletions
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21
libs/sys/luasrc/sys/mtdow.lua
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@ -63,7 +63,7 @@ CFEWriter.blocks = {
image = { image = {
magic = {"4844", "5735"}, magic = {"4844", "5735"},
device = "linux", device = "linux",
write = WRITE_COMBINED write = WRITE_IMAGE
} }
} }
@ -181,11 +181,22 @@ function Writer._write_emulated(self, devicename, imagestream, appendfile)
end end
function Writer._write_memory(self, devicename, imagestream) function Writer._write_memory(self, devicename, imagestream)
local devicestream = ltn12.sink.file(io.open(devicename, "w")) local imageproc = posix.fork()
local stat, err = ltn12.pump.all(imagestream, devicestream) assert(imageproc ~= -1, ERROR_RESOURCE)
if stat then if imageproc == 0 then
return os.execute("sync") 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 end
return os.execute(
"%s write '%s' '%s'" % {
self.MTD, self.IMAGEFIFO, devicename
}
)
end end
function Writer._write_combined(self, devicename, imagestream, appendfile) function Writer._write_combined(self, devicename, imagestream, appendfile)