1 /*- 2 * spinconsole.c 3 * 4 * Author: Maksym Sobolyev <sobomax@sippysoft.com> 5 * Copyright (c) 2009 Sippy Software, Inc. 6 * All rights reserved. 7 * 8 * Subject to the following obligations and disclaimer of warranty, use and 9 * redistribution of this software, in source or object code forms, with or 10 * without modifications are expressly permitted by Whistle Communications; 11 * provided, however, that: 12 * 1. Any and all reproductions of the source or object code must include the 13 * copyright notice above and the following disclaimer of warranties; and 14 * 2. No rights are granted, in any manner or form, to use Whistle 15 * Communications, Inc. trademarks, including the mark "WHISTLE 16 * COMMUNICATIONS" on advertising, endorsements, or otherwise except as 17 * such appears in the above copyright notice or in the software. 18 * 19 * THIS SOFTWARE IS BEING PROVIDED BY WHISTLE COMMUNICATIONS "AS IS", AND 20 * TO THE MAXIMUM EXTENT PERMITTED BY LAW, WHISTLE COMMUNICATIONS MAKES NO 21 * REPRESENTATIONS OR WARRANTIES, EXPRESS OR IMPLIED, REGARDING THIS SOFTWARE, 22 * INCLUDING WITHOUT LIMITATION, ANY AND ALL IMPLIED WARRANTIES OF 23 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT. 24 * WHISTLE COMMUNICATIONS DOES NOT WARRANT, GUARANTEE, OR MAKE ANY 25 * REPRESENTATIONS REGARDING THE USE OF, OR THE RESULTS OF THE USE OF THIS 26 * SOFTWARE IN TERMS OF ITS CORRECTNESS, ACCURACY, RELIABILITY OR OTHERWISE. 27 * IN NO EVENT SHALL WHISTLE COMMUNICATIONS BE LIABLE FOR ANY DAMAGES 28 * RESULTING FROM OR ARISING OUT OF ANY USE OF THIS SOFTWARE, INCLUDING 29 * WITHOUT LIMITATION, ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, 30 * PUNITIVE, OR CONSEQUENTIAL DAMAGES, PROCUREMENT OF SUBSTITUTE GOODS OR 31 * SERVICES, LOSS OF USE, DATA OR PROFITS, HOWEVER CAUSED AND UNDER ANY 32 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 33 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 34 * THIS SOFTWARE, EVEN IF WHISTLE COMMUNICATIONS IS ADVISED OF THE POSSIBILITY 35 * OF SUCH DAMAGE. 36 */ 37 38 #include <sys/cdefs.h> 39 #include <stand.h> 40 #include <bootstrap.h> 41 42 static void spinc_probe(struct console *cp); 43 static int spinc_init(int arg); 44 static void spinc_putchar(int c); 45 static int spinc_getchar(void); 46 static int spinc_ischar(void); 47 48 extern struct console *consoles[]; 49 50 struct console spinconsole = { 51 "spinconsole", 52 "spin port", 53 0, 54 spinc_probe, 55 spinc_init, 56 spinc_putchar, 57 spinc_getchar, 58 spinc_ischar 59 }; 60 61 static struct console *parent = NULL; 62 63 static void 64 spinc_probe(struct console *cp) 65 { 66 67 if (parent == NULL) 68 parent = consoles[0]; 69 parent->c_probe(cp); 70 } 71 72 static int 73 spinc_init(int arg) 74 { 75 76 return(parent->c_init(arg)); 77 } 78 79 static void 80 spinc_putchar(int c) 81 { 82 static unsigned tw_chars = 0x5C2D2F7C; /* "\-/|" */ 83 static time_t lasttime = 0; 84 time_t now; 85 86 now = time(0); 87 if (now < (lasttime + 1)) 88 return; 89 #ifdef TERM_EMU 90 if (lasttime > 0) 91 parent->c_out('\b'); 92 #endif 93 lasttime = now; 94 parent->c_out((char)tw_chars); 95 tw_chars = (tw_chars >> 8) | ((tw_chars & (unsigned long)0xFF) << 24); 96 } 97 98 static int 99 spinc_getchar(void) 100 { 101 102 return(-1); 103 } 104 105 static int 106 spinc_ischar(void) 107 { 108 109 return(0); 110 } 111