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**[tickets:#414] Semihosting message redirection TCP server gets the input data
flushed before it can be used**
**Status:** new
**Milestone:** 0.11.0
**Labels:** semihosting
**Created:** Wed Sep 06, 2023 03:38 PM UTC by Marek Vrbka
**Last Updated:** Wed Sep 06, 2023 03:38 PM UTC
**Owner:** nobody
Consider that the debugged target is repeatedly making READC semihosting call
after `arm semihosting_redirect tcp 7777 all` has been run. Target stops on the
semihosting call while OpenOCD is waiting for data. We send for 10 bytes at
once to the TCP socket.
Expected behavior: Data is buffered until target makes 10 READC semihosting
calls to read all of it.
Actual behavior: Target gets one byte, rest of the data is flushed by
`semihosting_service_input_handler()` before it can be used.
I suspect the regular READ semihosting call has the same issue.
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