1 #ident "$Id: rawcon_write.c,v 1.2 2004/11/23 23:43:02 hpa Exp $"
2 /* ----------------------------------------------------------------------- *
4 * Copyright 2004 H. Peter Anvin - All Rights Reserved
6 * Permission is hereby granted, free of charge, to any person
7 * obtaining a copy of this software and associated documentation
8 * files (the "Software"), to deal in the Software without
9 * restriction, including without limitation the rights to use,
10 * copy, modify, merge, publish, distribute, sublicense, and/or
11 * sell copies of the Software, and to permit persons to whom
12 * the Software is furnished to do so, subject to the following
15 * The above copyright notice and this permission notice shall
16 * be included in all copies or substantial portions of the Software.
18 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
19 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
20 * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
21 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
22 * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
23 * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
24 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
25 * OTHER DEALINGS IN THE SOFTWARE.
27 * ----------------------------------------------------------------------- */
32 * Raw writing to the console; no \n -> \r\n translation
41 static ssize_t __rawcon_write(struct file_info *fp, const void *buf, size_t count)
44 const char *bufp = buf;
49 memset(&ireg, 0, sizeof ireg);
53 ireg.edx.b[0] = *bufp++;
54 __intcall(0x21, &ireg, NULL);
61 const struct output_dev dev_rawcon_w = {
62 .dev_magic = __DEV_MAGIC,
63 .flags = __DEV_TTY | __DEV_OUTPUT,
64 .fileflags = O_WRONLY | O_CREAT | O_TRUNC | O_APPEND,
65 .write = __rawcon_write,