diff options
Diffstat (limited to 'sys/boot/uboot/lib/console.c')
-rw-r--r-- | sys/boot/uboot/lib/console.c | 83 |
1 files changed, 83 insertions, 0 deletions
diff --git a/sys/boot/uboot/lib/console.c b/sys/boot/uboot/lib/console.c new file mode 100644 index 0000000..f6e626d --- /dev/null +++ b/sys/boot/uboot/lib/console.c @@ -0,0 +1,83 @@ +/*- + * Copyright (c) 2007 Semihalf, Rafal Jaworowski <raj@semihalf.com> + * 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. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 AUTHOR 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/cdefs.h> +__FBSDID("$FreeBSD$"); + +#include <stand.h> +#include "bootstrap.h" + +int console; + +static void uboot_cons_probe(struct console *cp); +static int uboot_cons_init(int); +static void uboot_cons_putchar(int); +static int uboot_cons_getchar(void); +static int uboot_cons_poll(void); + +struct console uboot_console = { + "uboot", + "U-Boot console", + 0, + uboot_cons_probe, + uboot_cons_init, + uboot_cons_putchar, + uboot_cons_getchar, + uboot_cons_poll, +}; + +static void +uboot_cons_probe(struct console *cp) +{ + cp->c_flags |= (C_PRESENTIN | C_PRESENTOUT); +} + +static int +uboot_cons_init(int arg) +{ + return 0; +} + +static void +uboot_cons_putchar(int c) +{ + if (c == '\n') + ub_putc('\r'); + + ub_putc(c); +} + +static int +uboot_cons_getchar() +{ + return (ub_getc()); +} + +static int +uboot_cons_poll() +{ + return (ub_tstc()); +} |