configs: qemu: Allow linux to write into seral0.

diff --git a/configs/qemu-vm.c b/configs/qemu-vm.c
index 61eb209e4ed33659d73a35d528c51a978f1b6b9c..c7ebd4d4679e4b8a0c0961d83b92d72965bf69b9 100755 (executable)
--- a/configs/qemu-vm.c
+++ b/configs/qemu-vm.c
@@ -203,7 +203,7 @@ struct {
                [ 0x3b0/8 ...  0x3df/8] = 0, /* VGA */
                [ 0x3e0/8 ...  0x3ef/8] = -1,
                [ 0x3f0/8 ...  0x3f7/8] = 0, /* floppy */
-               [ 0x3f8/8 ...  0x3ff/8] = -1/*0*/,
+               [ 0x3f8/8 ...  0x3ff/8] = 0,
                [ 0x400/8 ...  0x407/8] = 0xfb, /* invalid but accessed by X */
                [ 0x408/8 ... 0x5657/8] = -1,
                [0x5658/8 ... 0x565f/8] = 0xf0, /* vmport */