semihosting: enable chardev backed output for console

It will be useful for a number of use-cases to be able to re-direct
output to a file like we do with serial output. This does the wiring
to allow us to treat then semihosting console like just another
character output device.

Signed-off-by: Alex Bennée <alex.bennee@linaro.org>

1 files changed, 4 insertions, 0 deletions

diff --git a/stubs/semihost.c b/stubs/semihost.c
index 1a4e88e532..4d5b3c0653 100644
--- a/stubs/semihost.c
+++ b/stubs/semihost.c
@@ -64,3 +64,7 @@ const char *semihosting_get_cmdline(void)
 void semihosting_arg_fallback(const char *file, const char *cmd)
 {
 }
+
+void qemu_semihosting_connect_chardevs(void)
+{
+}