kvmtool: Switch serial input to raw mode

As I was trying to install a new VM using the Debian installer,
I noticed that the return key would work just fine in a shell,
but wouldn't do anything in the menu. Pretty annoying.

Further investigation showed that the terminal was left in
cooked mode, converting CR to LF, and thus giving the VM
the wrong information.

Clearing the ICRNL flag in the input flag set fixes the issue.

Suggested-by: Dave martin <dave.martin@arm.com>
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
Signed-off-by: Will Deacon <will.deacon@arm.com>

1 files changed, 1 insertions, 0 deletions

diff --git a/term.c b/term.c
index 58f66a0c..b8a70fe2 100644
--- a/term.c
+++ b/term.c
@@ -190,6 +190,7 @@ static int term_init(struct kvm *kvm)
 
 
 	term = orig_term;
+	term.c_iflag &= ~(ICRNL);
 	term.c_lflag &= ~(ICANON | ECHO | ISIG);
 	tcsetattr(STDIN_FILENO, TCSANOW, &term);