2 * Copyright (c) 2000 Doug Rabson
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27 #include <sys/cdefs.h>
28 __FBSDID("$FreeBSD$");
33 #include "bootstrap.h"
35 static SIMPLE_TEXT_OUTPUT_INTERFACE *conout;
36 static SIMPLE_INPUT_INTERFACE *conin;
39 #define DEFAULT_FGCOLOR EFI_LIGHTGRAY
40 #define DEFAULT_BGCOLOR EFI_BLACK
43 static int args[MAXARGS], argc;
44 static int fg_c, bg_c, curx, cury;
47 void get_pos(int *x, int *y);
48 void curs_move(int *_x, int *_y, int x, int y);
54 static void efi_cons_probe(struct console *);
55 static int efi_cons_init(int);
56 void efi_cons_putchar(int);
57 int efi_cons_getchar(void);
58 void efi_cons_efiputchar(int);
59 int efi_cons_poll(void);
61 struct console efi_console = {
74 /* Get cursor position. */
76 get_pos(int *x, int *y)
78 *x = conout->Mode->CursorColumn;
79 *y = conout->Mode->CursorRow;
82 /* Move cursor to x rows and y cols (0-based). */
84 curs_move(int *_x, int *_y, int x, int y)
86 conout->SetCursorPosition(conout, x, y);
88 *_x = conout->Mode->CursorColumn;
90 *_y = conout->Mode->CursorRow;
93 /* Clear internal state of the terminal emulation code. */
104 efi_cons_probe(struct console *cp)
108 cp->c_flags |= C_PRESENTIN | C_PRESENTOUT;
112 efi_cons_init(int arg)
114 conout->SetAttribute(conout, EFI_TEXT_ATTR(DEFAULT_FGCOLOR,
118 get_pos(&curx, &cury);
119 curs_move(&curx, &cury, curx, cury);
120 fg_c = DEFAULT_FGCOLOR;
121 bg_c = DEFAULT_BGCOLOR;
123 conout->EnableCursor(conout, TRUE);
128 efi_cons_rawputchar(int c)
132 conout->QueryMode(conout, conout->Mode->Mode, &x, &y);
135 /* XXX lame tab expansion */
136 for (i = 0; i < 8; i++)
137 efi_cons_rawputchar(' ');
141 efi_cons_efiputchar('\r');
143 efi_cons_efiputchar(c);
148 curs_move(&curx, &cury, curx, cury);
153 efi_cons_efiputchar('\n');
156 curs_move(&curx, &cury, curx, cury);
161 curs_move(&curx, &cury, curx, cury);
165 efi_cons_efiputchar(c);
176 curs_move(&curx, &cury, curx, cury);
181 /* Gracefully exit ESC-sequence processing in case of misunderstanding. */
189 efi_cons_rawputchar('\033');
191 efi_cons_rawputchar(esc);
192 for (i = 0; i <= argc; ++i) {
193 sprintf(buf, "%d", args[i]);
196 efi_cons_rawputchar(*ch++);
199 efi_cons_rawputchar(c);
203 /* Clear display from current position to end of screen. */
209 get_pos(&curx, &cury);
210 if (curx == 0 && cury == 0) {
211 conout->ClearScreen(conout);
216 conout->QueryMode(conout, conout->Mode->Mode, &x, &y);
217 CL(0); /* clear current line from cursor to end */
218 for (i = cury + 1; i < y-1; i++) {
219 curs_move(NULL, NULL, 0, i);
222 curs_move(NULL, NULL, curx, cury);
227 * Absolute cursor move to args[0] rows and args[1] columns
228 * (the coordinates are 1-based).
237 curs_move(&curx, &cury, args[1], args[0]);
241 /* Home cursor (left top corner), also called from mode command. */
246 args[0] = args[1] = 1;
250 /* Clear line from current position to end of line */
258 conout->QueryMode(conout, conout->Mode->Mode, &x, &y);
260 case 0: /* from cursor to end */
263 case 1: /* from beginning to cursor */
266 case 2: /* entire line */
274 line = malloc(len * sizeof (CHAR16));
276 printf("out of memory\n");
279 for (i = 0; i < len; i++)
284 curs_move(NULL, NULL, 0, cury);
286 conout->OutputString(conout, line);
287 /* restore cursor position */
288 curs_move(NULL, NULL, curx, cury);
299 args[argc] += c - '0';
302 /* Emulate basic capabilities of cons25 terminal */
306 static int ansi_col[] = {
307 0, 4, 2, 6, 1, 5, 3, 7
318 efi_cons_rawputchar(c);
339 else if (argc + 1 >= MAXARGS)
344 case 'H': /* ho = \E[H */
352 case 'J': /* cd = \E[J */
360 fg_c = DEFAULT_FGCOLOR;
361 bg_c = DEFAULT_BGCOLOR;
363 for (i = 0; i <= argc; ++i) {
365 case 0: /* back to normal */
366 fg_c = DEFAULT_FGCOLOR;
367 bg_c = DEFAULT_BGCOLOR;
372 case 4: /* underline */
376 case 7: /* reverse */
381 case 30: case 31: case 32: case 33:
382 case 34: case 35: case 36: case 37:
383 fg_c = ansi_col[args[i] - 30];
385 case 39: /* normal */
386 fg_c = DEFAULT_FGCOLOR;
388 case 40: case 41: case 42: case 43:
389 case 44: case 45: case 46: case 47:
390 bg_c = ansi_col[args[i] - 40];
392 case 49: /* normal */
393 bg_c = DEFAULT_BGCOLOR;
397 conout->SetAttribute(conout, EFI_TEXT_ATTR(fg_c, bg_c));
415 efi_cons_putchar(int c)
420 efi_cons_rawputchar(c);
431 /* Try to read a key stroke. We wait for one if none is pending. */
432 status = conin->ReadKeyStroke(conin, &key);
433 if (status == EFI_NOT_READY) {
434 BS->WaitForEvent(1, &conin->WaitForKey, &junk);
435 status = conin->ReadKeyStroke(conin, &key);
437 switch (key.ScanCode) {
439 return (0x1b); /* esc */
442 /* this can return */
443 return (key.UnicodeChar);
449 /* This can clear the signaled state. */
450 return (BS->CheckEvent(conin->WaitForKey) == EFI_SUCCESS);
453 /* Plain direct access to EFI OutputString(). */
455 efi_cons_efiputchar(int c)
460 * translate box chars to unicode
464 case 0xb3: buf[0] = BOXDRAW_VERTICAL; break;
465 case 0xbf: buf[0] = BOXDRAW_DOWN_LEFT; break;
466 case 0xc0: buf[0] = BOXDRAW_UP_RIGHT; break;
467 case 0xc4: buf[0] = BOXDRAW_HORIZONTAL; break;
468 case 0xda: buf[0] = BOXDRAW_DOWN_RIGHT; break;
469 case 0xd9: buf[0] = BOXDRAW_UP_LEFT; break;
472 case 0xba: buf[0] = BOXDRAW_DOUBLE_VERTICAL; break;
473 case 0xbb: buf[0] = BOXDRAW_DOUBLE_DOWN_LEFT; break;
474 case 0xbc: buf[0] = BOXDRAW_DOUBLE_UP_LEFT; break;
475 case 0xc8: buf[0] = BOXDRAW_DOUBLE_UP_RIGHT; break;
476 case 0xc9: buf[0] = BOXDRAW_DOUBLE_DOWN_RIGHT; break;
477 case 0xcd: buf[0] = BOXDRAW_DOUBLE_HORIZONTAL; break;
482 buf[1] = 0; /* terminate string */
484 conout->OutputString(conout, buf);