1 /*- 2 * Copyright (c) 1999 Kazutaka YOKOTA <yokota@zodiac.mech.utsunomiya-u.ac.jp> 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer as 10 * the first lines of this file unmodified. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 15 * THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS OR 16 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 17 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 18 * IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY DIRECT, INDIRECT, 19 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 20 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 21 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 22 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 24 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 25 */ 26 27 #include <sys/cdefs.h> 28 __FBSDID("$FreeBSD$"); 29 30 #include "opt_syscons.h" 31 32 #include <sys/param.h> 33 #include <sys/systm.h> 34 #include <sys/consio.h> 35 36 #if defined(__sparc64__) || defined(__powerpc__) 37 #include <machine/sc_machdep.h> 38 #else 39 #include <machine/pc/display.h> 40 #endif 41 42 #include <dev/syscons/syscons.h> 43 #include <dev/syscons/sctermvar.h> 44 45 #ifdef SC_DUMB_TERMINAL 46 47 /* dumb terminal emulator */ 48 49 static sc_term_init_t dumb_init; 50 static sc_term_term_t dumb_term; 51 static sc_term_puts_t dumb_puts; 52 static sc_term_ioctl_t dumb_ioctl; 53 static sc_term_clear_t dumb_clear; 54 static sc_term_input_t dumb_input; 55 static void dumb_nop(void); 56 57 static sc_term_sw_t sc_term_dumb = { 58 { NULL, NULL }, 59 "dumb", /* emulator name */ 60 "dumb terminal", /* description */ 61 "*", /* matching renderer */ 62 0, /* softc size */ 63 0, 64 dumb_init, 65 dumb_term, 66 dumb_puts, 67 dumb_ioctl, 68 (sc_term_reset_t *)dumb_nop, 69 (sc_term_default_attr_t *)dumb_nop, 70 dumb_clear, 71 (sc_term_notify_t *)dumb_nop, 72 dumb_input, 73 }; 74 75 SCTERM_MODULE(dumb, sc_term_dumb); 76 77 static int 78 dumb_init(scr_stat *scp, void **softc, int code) 79 { 80 switch (code) { 81 case SC_TE_COLD_INIT: 82 ++sc_term_dumb.te_refcount; 83 break; 84 case SC_TE_WARM_INIT: 85 break; 86 } 87 return 0; 88 } 89 90 static int 91 dumb_term(scr_stat *scp, void **softc) 92 { 93 --sc_term_dumb.te_refcount; 94 return 0; 95 } 96 97 static void 98 dumb_puts(scr_stat *scp, u_char *buf, int len) 99 { 100 while (len > 0) { 101 ++scp->sc->write_in_progress; 102 sc_term_gen_print(scp, &buf, &len, SC_NORM_ATTR << 8); 103 sc_term_gen_scroll(scp, scp->sc->scr_map[0x20], 104 SC_NORM_ATTR << 8); 105 --scp->sc->write_in_progress; 106 } 107 } 108 109 static int 110 dumb_ioctl(scr_stat *scp, struct tty *tp, u_long cmd, caddr_t data, 111 int flag, struct proc *p) 112 { 113 vid_info_t *vi; 114 115 switch (cmd) { 116 case GIO_ATTR: /* get current attributes */ 117 *(int*)data = SC_NORM_ATTR; 118 return 0; 119 case CONS_GETINFO: /* get current (virtual) console info */ 120 vi = (vid_info_t *)data; 121 if (vi->size != sizeof(struct vid_info)) 122 return EINVAL; 123 vi->mv_norm.fore = SC_NORM_ATTR & 0x0f; 124 vi->mv_norm.back = (SC_NORM_ATTR >> 4) & 0x0f; 125 vi->mv_rev.fore = SC_NORM_ATTR & 0x0f; 126 vi->mv_rev.back = (SC_NORM_ATTR >> 4) & 0x0f; 127 /* 128 * The other fields are filled by the upper routine. XXX 129 */ 130 return ENOIOCTL; 131 } 132 return ENOIOCTL; 133 } 134 135 static void 136 dumb_clear(scr_stat *scp) 137 { 138 sc_move_cursor(scp, 0, 0); 139 sc_vtb_clear(&scp->vtb, scp->sc->scr_map[0x20], SC_NORM_ATTR << 8); 140 mark_all(scp); 141 } 142 143 static int 144 dumb_input(scr_stat *scp, int c, struct tty *tp) 145 { 146 return FALSE; 147 } 148 149 static void 150 dumb_nop(void) 151 { 152 /* nothing */ 153 } 154 155 #endif /* SC_DUMB_TERMINAL */ 156