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-rw-r--r--libs/sys/luasrc/sys/mtdow.lua21
1 files changed, 16 insertions, 5 deletions
diff --git a/libs/sys/luasrc/sys/mtdow.lua b/libs/sys/luasrc/sys/mtdow.lua
index ffe3e4229..bfa2e9e93 100644
--- a/libs/sys/luasrc/sys/mtdow.lua
+++ b/libs/sys/luasrc/sys/mtdow.lua
@@ -63,7 +63,7 @@ CFEWriter.blocks = {
image = {
magic = {"4844", "5735"},
device = "linux",
- write = WRITE_COMBINED
+ write = WRITE_IMAGE
}
}
@@ -181,11 +181,22 @@ function Writer._write_emulated(self, devicename, imagestream, appendfile)
end
function Writer._write_memory(self, devicename, imagestream)
- local devicestream = ltn12.sink.file(io.open(devicename, "w"))
- local stat, err = ltn12.pump.all(imagestream, devicestream)
- if stat then
- return os.execute("sync")
+ 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'" % {
+ self.MTD, self.IMAGEFIFO, devicename
+ }
+ )
end
function Writer._write_combined(self, devicename, imagestream, appendfile)