kernel: Move video console code

This commit introduces a video console driver to Hyra and replaces
that weird tty.c file used only for video console logic

Signed-off-by: Ian Moffett <ian@osmora.org>

1 files changed, 0 insertions, 57 deletions

diff --git a/sys/kern/subr_tty.c b/sys/kern/subr_tty.c
deleted file mode 100644
index 43a02bb..0000000
--- a/sys/kern/subr_tty.c
+++ /dev/null
@@ -1,57 +0,0 @@
-/*
- * Copyright (c) 2023-2024 Ian Marco Moffett and the Osmora Team.
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are met:
- *
- * 1. Redistributions of source code must retain the above copyright notice,
- *    this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- * 3. Neither the name of Hyra nor the names of its
- *    contributors may be used to endorse or promote products derived from
- *    this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
- * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
- * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
- * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
- * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
- * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
- * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
- * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
- * POSSIBILITY OF SUCH DAMAGE.
- */
-
-#include <sys/tty.h>
-
-/*
- * Pushes a char to the TTY
- * ring buffer.
- *
- * Call with TTY locked.
- */
-void
-tty_push_char(struct tty *tty, int c)
-{
-    struct tty_ring *ring;
-
-    ring = &tty->ring;
-
-    /*
-     * If our ring is full, it should
-     * be flushed as soon as possible.
-     *
-     * XXX: ring->len will be reset by tty_flush()
-     * so there is no need to do it here.
-     */
-    if (ring->len >= LINE_RING_SIZE) {
-        tty_flush(tty);
-    }
-
-    ring->buf[ring->len++] = c;
-}