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[Qemu-discuss] console output with -nographic on Windows

From: Brendan Simon (eTRIX)
Subject: [Qemu-discuss] console output with -nographic on Windows
Date: Mon, 17 Sep 2018 21:26:45 +1000
User-agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.13; rv:52.0) Gecko/20100101 Thunderbird/52.9.1

I've been trying to use the following GNU MCU Eclipse QEMU releases to
do unit tests for ARM Cortex binaries.


I compiled the very simple semi-hosting hello world sample in the gcc
arm installation (from ARM download site).  It's a basic `printf("Hello

It runs ok on the Mac.  i.e. displays "Hello world!" on the terminal
that I run qemu from.

However the same command line and exact same binary does not show any
output when run on a Windows box (Win 10).  I tried from MSYS2 bash
shell and Windows Command Prompt, and both show no output.

A bit of googling suggests that it displaying console output just
doesn't work on Windows.

Is that really true?  Why can't Windows output to stdout?  Surely it's
technically possible, and not too difficult?  Surely there must be a way
to get stdout working Windows.

What magic do I have to do to get this working?

Thanks, Brendan.

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