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NetBSD/sys/dev/wscons/wsemul_vt100.c

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/* $NetBSD: wsemul_vt100.c,v 1.26 2004/07/28 12:34:05 jmmv Exp $ */
/*
* Copyright (c) 1998
* Matthias Drochner. 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 ``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 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>
__KERNEL_RCSID(0, "$NetBSD: wsemul_vt100.c,v 1.26 2004/07/28 12:34:05 jmmv Exp $");
#include "opt_wsmsgattrs.h"
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/time.h>
#include <sys/malloc.h>
#include <sys/fcntl.h>
#include <dev/wscons/wsconsio.h>
#include <dev/wscons/wsdisplayvar.h>
#include <dev/wscons/wsemulvar.h>
#include <dev/wscons/wsemul_vt100var.h>
#include <dev/wscons/ascii.h>
void *wsemul_vt100_cnattach(const struct wsscreen_descr *, void *,
int, int, long);
void *wsemul_vt100_attach(int console, const struct wsscreen_descr *,
void *, int, int, void *, long);
void wsemul_vt100_output(void *cookie, const u_char *data, u_int count, int);
void wsemul_vt100_detach(void *cookie, u_int *crowp, u_int *ccolp);
void wsemul_vt100_resetop(void *, enum wsemul_resetops);
#ifdef WSDISPLAY_CUSTOM_OUTPUT
static void wsemul_vt100_getmsgattrs(void *, struct wsdisplay_msgattrs *);
static void wsemul_vt100_setmsgattrs(void *, const struct wsscreen_descr *,
const struct wsdisplay_msgattrs *);
#endif /* WSDISPLAY_CUSTOM_OUTPUT */
const struct wsemul_ops wsemul_vt100_ops = {
"vt100",
wsemul_vt100_cnattach,
wsemul_vt100_attach,
wsemul_vt100_output,
wsemul_vt100_translate,
wsemul_vt100_detach,
wsemul_vt100_resetop,
#ifdef WSDISPLAY_CUSTOM_OUTPUT
wsemul_vt100_getmsgattrs,
wsemul_vt100_setmsgattrs,
#else
NULL,
NULL,
#endif
};
struct wsemul_vt100_emuldata wsemul_vt100_console_emuldata;
static void wsemul_vt100_init(struct wsemul_vt100_emuldata *,
const struct wsscreen_descr *,
void *, int, int, long);
static void wsemul_vt100_output_normal(struct wsemul_vt100_emuldata *,
u_char, int);
static void wsemul_vt100_output_c0c1(struct wsemul_vt100_emuldata *,
u_char, int);
static void wsemul_vt100_nextline(struct wsemul_vt100_emuldata *);
typedef u_int vt100_handler(struct wsemul_vt100_emuldata *, u_char);
static vt100_handler
wsemul_vt100_output_esc,
wsemul_vt100_output_csi,
wsemul_vt100_output_scs94,
wsemul_vt100_output_scs94_percent,
wsemul_vt100_output_scs96,
wsemul_vt100_output_scs96_percent,
wsemul_vt100_output_esc_hash,
wsemul_vt100_output_esc_spc,
wsemul_vt100_output_string,
wsemul_vt100_output_string_esc,
wsemul_vt100_output_dcs,
wsemul_vt100_output_dcs_dollar;
#define VT100_EMUL_STATE_NORMAL 0 /* normal processing */
#define VT100_EMUL_STATE_ESC 1 /* got ESC */
#define VT100_EMUL_STATE_CSI 2 /* got CSI (ESC[) */
#define VT100_EMUL_STATE_SCS94 3 /* got ESC{()*+} */
#define VT100_EMUL_STATE_SCS94_PERCENT 4 /* got ESC{()*+}% */
#define VT100_EMUL_STATE_SCS96 5 /* got ESC{-./} */
#define VT100_EMUL_STATE_SCS96_PERCENT 6 /* got ESC{-./}% */
#define VT100_EMUL_STATE_ESC_HASH 7 /* got ESC# */
#define VT100_EMUL_STATE_ESC_SPC 8 /* got ESC<SPC> */
#define VT100_EMUL_STATE_STRING 9 /* waiting for ST (ESC\) */
#define VT100_EMUL_STATE_STRING_ESC 10 /* waiting for ST, got ESC */
#define VT100_EMUL_STATE_DCS 11 /* got DCS (ESC P) */
#define VT100_EMUL_STATE_DCS_DOLLAR 12 /* got DCS<p>$ */
vt100_handler *vt100_output[] = {
wsemul_vt100_output_esc,
wsemul_vt100_output_csi,
wsemul_vt100_output_scs94,
wsemul_vt100_output_scs94_percent,
wsemul_vt100_output_scs96,
wsemul_vt100_output_scs96_percent,
wsemul_vt100_output_esc_hash,
wsemul_vt100_output_esc_spc,
wsemul_vt100_output_string,
wsemul_vt100_output_string_esc,
wsemul_vt100_output_dcs,
wsemul_vt100_output_dcs_dollar,
};
static void
wsemul_vt100_init(struct wsemul_vt100_emuldata *edp,
const struct wsscreen_descr *type, void *cookie, int ccol, int crow,
long defattr)
{
int error;
edp->emulops = type->textops;
edp->emulcookie = cookie;
edp->scrcapabilities = type->capabilities;
edp->nrows = type->nrows;
edp->ncols = type->ncols;
edp->crow = crow;
edp->ccol = ccol;
/* The underlying driver has already allocated a default and simple
* attribute for us, which is stored in defattr. We try to set the
* values specified by the kernel options below, but in case of
* failure we fallback to the value given by the driver. */
if (type->capabilities & WSSCREEN_WSCOLORS) {
edp->msgattrs.default_attrs = WS_DEFAULT_COLATTR |
WSATTR_WSCOLORS;
edp->msgattrs.default_bg = WS_DEFAULT_BG;
edp->msgattrs.default_fg = WS_DEFAULT_FG;
edp->msgattrs.kernel_attrs = WS_KERNEL_COLATTR |
WSATTR_WSCOLORS;
edp->msgattrs.kernel_bg = WS_KERNEL_BG;
edp->msgattrs.kernel_fg = WS_KERNEL_FG;
} else {
edp->msgattrs.default_attrs = WS_DEFAULT_MONOATTR;
edp->msgattrs.default_bg = edp->msgattrs.default_fg = 0;
edp->msgattrs.kernel_attrs = WS_KERNEL_MONOATTR;
edp->msgattrs.kernel_bg = edp->msgattrs.kernel_fg = 0;
}
error = (*edp->emulops->allocattr)(cookie,
edp->msgattrs.default_fg,
edp->msgattrs.default_bg,
edp->msgattrs.default_attrs,
&edp->defattr);
if (error) {
edp->defattr = defattr;
/* XXX This assumes the driver has allocated white on black
* XXX as the default attribute, which is not always true.
* XXX Maybe we need an emulop that, given an attribute,
* XXX (defattr) returns its flags and colors? */
edp->msgattrs.default_attrs = 0;
edp->msgattrs.default_bg = WSCOL_BLACK;
edp->msgattrs.default_fg = WSCOL_WHITE;
} else {
if (edp->emulops->replaceattr != NULL)
(*edp->emulops->replaceattr)(cookie, defattr,
edp->defattr);
}
#if defined(WS_KERNEL_CUSTOMIZED)
/* Set up kernel colors, in case they were customized by the user;
* otherwise default to the colors specified for the console.
* In case of failure, we use console colors too; we can assume
* they are good as they have been previously allocated and
* verified. */
error = (*edp->emulops->allocattr)(cookie,
edp->msgattrs.kernel_fg,
edp->msgattrs.kernel_bg,
edp->msgattrs.kernel_attrs,
&edp->kernattr);
if (error)
#endif
edp->kernattr = edp->defattr;
}
void *
wsemul_vt100_cnattach(const struct wsscreen_descr *type, void *cookie,
int ccol, int crow, long defattr)
{
struct wsemul_vt100_emuldata *edp;
edp = &wsemul_vt100_console_emuldata;
wsemul_vt100_init(edp, type, cookie, ccol, crow, defattr);
#ifdef DIAGNOSTIC
edp->console = 1;
#endif
edp->cbcookie = NULL;
edp->tabs = 0;
edp->dblwid = 0;
edp->dw = 0;
edp->dcsarg = 0;
edp->isolatin1tab = edp->decgraphtab = edp->dectechtab = 0;
edp->nrctab = 0;
wsemul_vt100_reset(edp);
return (edp);
}
void *
wsemul_vt100_attach(int console, const struct wsscreen_descr *type,
void *cookie, int ccol, int crow, void *cbcookie, long defattr)
{
struct wsemul_vt100_emuldata *edp;
if (console) {
edp = &wsemul_vt100_console_emuldata;
#ifdef DIAGNOSTIC
KASSERT(edp->console == 1);
#endif
} else {
edp = malloc(sizeof *edp, M_DEVBUF, M_WAITOK);
wsemul_vt100_init(edp, type, cookie, ccol, crow, defattr);
#ifdef DIAGNOSTIC
edp->console = 0;
#endif
}
edp->cbcookie = cbcookie;
edp->tabs = malloc(edp->ncols, M_DEVBUF, M_NOWAIT);
edp->dblwid = malloc(edp->nrows, M_DEVBUF, M_NOWAIT|M_ZERO);
edp->dw = 0;
edp->dcsarg = malloc(DCS_MAXLEN, M_DEVBUF, M_NOWAIT);
edp->isolatin1tab = malloc(128 * sizeof(int), M_DEVBUF, M_NOWAIT);
edp->decgraphtab = malloc(128 * sizeof(int), M_DEVBUF, M_NOWAIT);
edp->dectechtab = malloc(128 * sizeof(int), M_DEVBUF, M_NOWAIT);
edp->nrctab = malloc(128 * sizeof(int), M_DEVBUF, M_NOWAIT);
vt100_initchartables(edp);
wsemul_vt100_reset(edp);
return (edp);
}
void
wsemul_vt100_detach(void *cookie, u_int *crowp, u_int *ccolp)
{
struct wsemul_vt100_emuldata *edp = cookie;
*crowp = edp->crow;
*ccolp = edp->ccol;
#define f(ptr) if (ptr) {free(ptr, M_DEVBUF); ptr = 0;}
f(edp->tabs)
f(edp->dblwid)
f(edp->dcsarg)
f(edp->isolatin1tab)
f(edp->decgraphtab)
f(edp->dectechtab)
f(edp->nrctab)
#undef f
if (edp != &wsemul_vt100_console_emuldata)
free(edp, M_DEVBUF);
}
void
wsemul_vt100_resetop(void *cookie, enum wsemul_resetops op)
{
struct wsemul_vt100_emuldata *edp = cookie;
switch (op) {
case WSEMUL_RESET:
wsemul_vt100_reset(edp);
break;
case WSEMUL_SYNCFONT:
vt100_initchartables(edp);
break;
case WSEMUL_CLEARSCREEN:
wsemul_vt100_ed(edp, 2);
edp->ccol = edp->crow = 0;
(*edp->emulops->cursor)(edp->emulcookie,
edp->flags & VTFL_CURSORON, 0, 0);
break;
default:
break;
}
}
void
wsemul_vt100_reset(struct wsemul_vt100_emuldata *edp)
{
int i;
edp->state = VT100_EMUL_STATE_NORMAL;
edp->flags = VTFL_DECAWM | VTFL_CURSORON;
edp->bkgdattr = edp->curattr = edp->defattr;
edp->attrflags = edp->msgattrs.default_attrs;
edp->fgcol = edp->msgattrs.default_fg;
edp->bgcol = edp->msgattrs.default_bg;
edp->scrreg_startrow = 0;
edp->scrreg_nrows = edp->nrows;
if (edp->tabs) {
memset(edp->tabs, 0, edp->ncols);
for (i = 8; i < edp->ncols; i += 8)
edp->tabs[i] = 1;
}
edp->dcspos = 0;
edp->dcstype = 0;
edp->chartab_G[0] = 0;
edp->chartab_G[1] = edp->nrctab; /* ??? */
edp->chartab_G[2] = edp->isolatin1tab;
edp->chartab_G[3] = edp->isolatin1tab;
edp->chartab0 = 0;
edp->chartab1 = 2;
edp->sschartab = 0;
}
/*
* now all the state machine bits
*/
/*
* Move the cursor to the next line if possible. If the cursor is at
* the bottom of the scroll area, then scroll it up. If the cursor is
* at the bottom of the screen then don't move it down.
*/
static void
wsemul_vt100_nextline(struct wsemul_vt100_emuldata *edp)
{
if (ROWS_BELOW == 0) {
/* Bottom of the scroll region. */
wsemul_vt100_scrollup(edp, 1);
} else {
if ((edp->crow+1) < edp->nrows)
/* Cursor not at the bottom of the screen. */
edp->crow++;
CHECK_DW;
}
}
static void
wsemul_vt100_output_normal(struct wsemul_vt100_emuldata *edp, u_char c,
int kernel)
{
u_int *ct, dc;
if ((edp->flags & (VTFL_LASTCHAR | VTFL_DECAWM)) ==
(VTFL_LASTCHAR | VTFL_DECAWM)) {
wsemul_vt100_nextline(edp);
edp->ccol = 0;
edp->flags &= ~VTFL_LASTCHAR;
}
if (c & 0x80) {
c &= 0x7f;
ct = edp->chartab_G[edp->chartab1];
} else {
if (edp->sschartab) {
ct = edp->chartab_G[edp->sschartab];
edp->sschartab = 0;
} else
ct = edp->chartab_G[edp->chartab0];
}
dc = (ct ? ct[c] : c);
if ((edp->flags & VTFL_INSERTMODE) && COLS_LEFT)
COPYCOLS(edp->ccol, edp->ccol + 1, COLS_LEFT);
(*edp->emulops->putchar)(edp->emulcookie, edp->crow,
edp->ccol << edp->dw, dc,
kernel ? edp->kernattr : edp->curattr);
if (COLS_LEFT)
edp->ccol++;
else
edp->flags |= VTFL_LASTCHAR;
}
static void
wsemul_vt100_output_c0c1(struct wsemul_vt100_emuldata *edp, u_char c,
int kernel)
{
u_int n;
switch (c) {
case ASCII_NUL:
default:
/* ignore */
break;
case ASCII_BEL:
wsdisplay_emulbell(edp->cbcookie);
break;
case ASCII_BS:
if (edp->ccol > 0) {
edp->ccol--;
edp->flags &= ~VTFL_LASTCHAR;
}
break;
case ASCII_CR:
edp->ccol = 0;
edp->flags &= ~VTFL_LASTCHAR;
break;
case ASCII_HT:
if (edp->tabs) {
if (!COLS_LEFT)
break;
for (n = edp->ccol + 1; n < NCOLS - 1; n++)
if (edp->tabs[n])
break;
} else {
n = edp->ccol + min(8 - (edp->ccol & 7), COLS_LEFT);
}
edp->ccol = n;
break;
case ASCII_SO: /* LS1 */
edp->chartab0 = 1;
break;
case ASCII_SI: /* LS0 */
edp->chartab0 = 0;
break;
case ASCII_ESC:
if (kernel) {
printf("wsemul_vt100_output_c0c1: ESC in kernel output ignored\n");
break; /* ignore the ESC */
}
if (edp->state == VT100_EMUL_STATE_STRING) {
/* might be a string end */
edp->state = VT100_EMUL_STATE_STRING_ESC;
} else {
/* XXX cancel current escape sequence */
edp->state = VT100_EMUL_STATE_ESC;
}
break;
#if 0
case CSI: /* 8-bit */
/* XXX cancel current escape sequence */
edp->nargs = 0;
memset(edp->args, 0, sizeof (edp->args));
edp->modif1 = edp->modif2 = '\0';
edp->state = VT100_EMUL_STATE_CSI;
break;
case DCS: /* 8-bit */
/* XXX cancel current escape sequence */
edp->nargs = 0;
memset(edp->args, 0, sizeof (edp->args));
edp->state = VT100_EMUL_STATE_DCS;
break;
case ST: /* string end 8-bit */
/* XXX only in VT100_EMUL_STATE_STRING */
wsemul_vt100_handle_dcs(edp);
return (VT100_EMUL_STATE_NORMAL);
#endif
case ASCII_LF:
case ASCII_VT:
case ASCII_FF:
wsemul_vt100_nextline(edp);
break;
}
}
static u_int
wsemul_vt100_output_esc(struct wsemul_vt100_emuldata *edp, u_char c)
{
u_int newstate = VT100_EMUL_STATE_NORMAL;
int i;
switch (c) {
case '[': /* CSI */
edp->nargs = 0;
memset(edp->args, 0, sizeof (edp->args));
edp->modif1 = edp->modif2 = '\0';
newstate = VT100_EMUL_STATE_CSI;
break;
case '7': /* DECSC */
edp->flags |= VTFL_SAVEDCURS;
edp->savedcursor_row = edp->crow;
edp->savedcursor_col = edp->ccol;
edp->savedattr = edp->curattr;
edp->savedbkgdattr = edp->bkgdattr;
edp->savedattrflags = edp->attrflags;
edp->savedfgcol = edp->fgcol;
edp->savedbgcol = edp->bgcol;
for (i = 0; i < 4; i++)
edp->savedchartab_G[i] = edp->chartab_G[i];
edp->savedchartab0 = edp->chartab0;
edp->savedchartab1 = edp->chartab1;
break;
case '8': /* DECRC */
if ((edp->flags & VTFL_SAVEDCURS) == 0)
break;
edp->crow = edp->savedcursor_row;
edp->ccol = edp->savedcursor_col;
edp->curattr = edp->savedattr;
edp->bkgdattr = edp->savedbkgdattr;
edp->attrflags = edp->savedattrflags;
edp->fgcol = edp->savedfgcol;
edp->bgcol = edp->savedbgcol;
for (i = 0; i < 4; i++)
edp->chartab_G[i] = edp->savedchartab_G[i];
edp->chartab0 = edp->savedchartab0;
edp->chartab1 = edp->savedchartab1;
break;
case '=': /* DECKPAM application mode */
edp->flags |= VTFL_APPLKEYPAD;
break;
case '>': /* DECKPNM numeric mode */
edp->flags &= ~VTFL_APPLKEYPAD;
break;
case 'E': /* NEL */
edp->ccol = 0;
/* FALLTHRU */
case 'D': /* IND */
wsemul_vt100_nextline(edp);
break;
case 'H': /* HTS */
KASSERT(edp->tabs != 0);
edp->tabs[edp->ccol] = 1;
break;
case '~': /* LS1R */
edp->chartab1 = 1;
break;
case 'n': /* LS2 */
edp->chartab0 = 2;
break;
case '}': /* LS2R */
edp->chartab1 = 2;
break;
case 'o': /* LS3 */
edp->chartab0 = 3;
break;
case '|': /* LS3R */
edp->chartab1 = 3;
break;
case 'N': /* SS2 */
edp->sschartab = 2;
break;
case 'O': /* SS3 */
edp->sschartab = 3;
break;
case 'M': /* RI */
if (ROWS_ABOVE > 0) {
edp->crow--;
CHECK_DW;
break;
}
wsemul_vt100_scrolldown(edp, 1);
break;
case 'P': /* DCS */
edp->nargs = 0;
memset(edp->args, 0, sizeof (edp->args));
newstate = VT100_EMUL_STATE_DCS;
break;
case 'c': /* RIS */
wsemul_vt100_reset(edp);
wsemul_vt100_ed(edp, 2);
edp->ccol = edp->crow = 0;
break;
case '(': case ')': case '*': case '+': /* SCS */
edp->designating = c - '(';
newstate = VT100_EMUL_STATE_SCS94;
break;
case '-': case '.': case '/': /* SCS */
edp->designating = c - '-' + 1;
newstate = VT100_EMUL_STATE_SCS96;
break;
case '#':
newstate = VT100_EMUL_STATE_ESC_HASH;
break;
case ' ': /* 7/8 bit */
newstate = VT100_EMUL_STATE_ESC_SPC;
break;
case ']': /* OSC operating system command */
case '^': /* PM privacy message */
case '_': /* APC application program command */
/* ignored */
newstate = VT100_EMUL_STATE_STRING;
break;
case '<': /* exit VT52 mode - ignored */
break;
default:
#ifdef VT100_PRINTUNKNOWN
printf("ESC%c unknown\n", c);
#endif
break;
}
return (newstate);
}
static u_int
wsemul_vt100_output_scs94(struct wsemul_vt100_emuldata *edp, u_char c)
{
u_int newstate = VT100_EMUL_STATE_NORMAL;
switch (c) {
case '%': /* probably DEC supplemental graphic */
newstate = VT100_EMUL_STATE_SCS94_PERCENT;
break;
case 'A': /* british / national */
edp->chartab_G[edp->designating] = edp->nrctab;
break;
case 'B': /* ASCII */
edp->chartab_G[edp->designating] = 0;
break;
case '<': /* user preferred supplemental */
/* XXX not really "user" preferred */
edp->chartab_G[edp->designating] = edp->isolatin1tab;
break;
case '0': /* DEC special graphic */
edp->chartab_G[edp->designating] = edp->decgraphtab;
break;
case '>': /* DEC tech */
edp->chartab_G[edp->designating] = edp->dectechtab;
break;
default:
#ifdef VT100_PRINTUNKNOWN
printf("ESC%c%c unknown\n", edp->designating + '(', c);
#endif
break;
}
return (newstate);
}
static u_int
wsemul_vt100_output_scs94_percent(struct wsemul_vt100_emuldata *edp, u_char c)
{
switch (c) {
case '5': /* DEC supplemental graphic */
/* XXX there are differences */
edp->chartab_G[edp->designating] = edp->isolatin1tab;
break;
default:
#ifdef VT100_PRINTUNKNOWN
printf("ESC%c%%%c unknown\n", edp->designating + '(', c);
#endif
break;
}
return (VT100_EMUL_STATE_NORMAL);
}
static u_int
wsemul_vt100_output_scs96(struct wsemul_vt100_emuldata *edp, u_char c)
{
u_int newstate = VT100_EMUL_STATE_NORMAL;
int nrc;
switch (c) {
case '%': /* probably portugese */
newstate = VT100_EMUL_STATE_SCS96_PERCENT;
break;
case 'A': /* ISO-latin-1 supplemental */
edp->chartab_G[edp->designating] = edp->isolatin1tab;
break;
case '4': /* dutch */
nrc = 1;
goto setnrc;
case '5': case 'C': /* finnish */
nrc = 2;
goto setnrc;
case 'R': /* french */
nrc = 3;
goto setnrc;
case 'Q': /* french canadian */
nrc = 4;
goto setnrc;
case 'K': /* german */
nrc = 5;
goto setnrc;
case 'Y': /* italian */
nrc = 6;
goto setnrc;
case 'E': case '6': /* norwegian / danish */
nrc = 7;
goto setnrc;
case 'Z': /* spanish */
nrc = 9;
goto setnrc;
case '7': case 'H': /* swedish */
nrc = 10;
goto setnrc;
case '=': /* swiss */
nrc = 11;
setnrc:
vt100_setnrc(edp, nrc); /* what table ??? */
break;
default:
#ifdef VT100_PRINTUNKNOWN
printf("ESC%c%c unknown\n", edp->designating + '-' - 1, c);
#endif
break;
}
return (newstate);
}
static u_int
wsemul_vt100_output_scs96_percent(struct wsemul_vt100_emuldata *edp, u_char c)
{
switch (c) {
case '6': /* portugese */
vt100_setnrc(edp, 8);
break;
default:
#ifdef VT100_PRINTUNKNOWN
printf("ESC%c%%%c unknown\n", edp->designating + '-', c);
#endif
break;
}
return (VT100_EMUL_STATE_NORMAL);
}
static u_int
wsemul_vt100_output_esc_spc(struct wsemul_vt100_emuldata *edp, u_char c)
{
switch (c) {
case 'F': /* 7-bit controls */
case 'G': /* 8-bit controls */
#ifdef VT100_PRINTNOTIMPL
printf("ESC<SPC>%c ignored\n", c);
#endif
break;
default:
#ifdef VT100_PRINTUNKNOWN
printf("ESC<SPC>%c unknown\n", c);
#endif
break;
}
return (VT100_EMUL_STATE_NORMAL);
}
static u_int
wsemul_vt100_output_string(struct wsemul_vt100_emuldata *edp, u_char c)
{
if (edp->dcstype && edp->dcspos < DCS_MAXLEN)
edp->dcsarg[edp->dcspos++] = c;
return (VT100_EMUL_STATE_STRING);
}
static u_int
wsemul_vt100_output_string_esc(struct wsemul_vt100_emuldata *edp, u_char c)
{
if (c == '\\') { /* ST complete */
wsemul_vt100_handle_dcs(edp);
return (VT100_EMUL_STATE_NORMAL);
} else
return (VT100_EMUL_STATE_STRING);
}
static u_int
wsemul_vt100_output_dcs(struct wsemul_vt100_emuldata *edp, u_char c)
{
u_int newstate = VT100_EMUL_STATE_DCS;
switch (c) {
case '0': case '1': case '2': case '3': case '4':
case '5': case '6': case '7': case '8': case '9':
/* argument digit */
if (edp->nargs > VT100_EMUL_NARGS - 1)
break;
edp->args[edp->nargs] = (edp->args[edp->nargs] * 10) +
(c - '0');
break;
case ';': /* argument terminator */
edp->nargs++;
break;
default:
edp->nargs++;
if (edp->nargs > VT100_EMUL_NARGS) {
#ifdef VT100_DEBUG
printf("vt100: too many arguments\n");
#endif
edp->nargs = VT100_EMUL_NARGS;
}
newstate = VT100_EMUL_STATE_STRING;
switch (c) {
case '$':
newstate = VT100_EMUL_STATE_DCS_DOLLAR;
break;
case '{': /* DECDLD soft charset */
case '!': /* DECRQUPSS user preferred supplemental set */
/* 'u' must follow - need another state */
case '|': /* DECUDK program F6..F20 */
#ifdef VT100_PRINTNOTIMPL
printf("DCS%c ignored\n", c);
#endif
break;
default:
#ifdef VT100_PRINTUNKNOWN
printf("DCS%c (%d, %d) unknown\n", c, ARG(0), ARG(1));
#endif
break;
}
}
return (newstate);
}
static u_int
wsemul_vt100_output_dcs_dollar(struct wsemul_vt100_emuldata *edp, u_char c)
{
switch (c) {
case 'p': /* DECRSTS terminal state restore */
case 'q': /* DECRQSS control function request */
#ifdef VT100_PRINTNOTIMPL
printf("DCS$%c ignored\n", c);
#endif
break;
case 't': /* DECRSPS restore presentation state */
switch (ARG(0)) {
case 0: /* error */
break;
case 1: /* cursor information restore */
#ifdef VT100_PRINTNOTIMPL
printf("DCS1$t ignored\n");
#endif
break;
case 2: /* tab stop restore */
edp->dcspos = 0;
edp->dcstype = DCSTYPE_TABRESTORE;
break;
default:
#ifdef VT100_PRINTUNKNOWN
printf("DCS%d$t unknown\n", ARG(0));
#endif
break;
}
break;
default:
#ifdef VT100_PRINTUNKNOWN
printf("DCS$%c (%d, %d) unknown\n", c, ARG(0), ARG(1));
#endif
break;
}
return (VT100_EMUL_STATE_STRING);
}
static u_int
wsemul_vt100_output_esc_hash(struct wsemul_vt100_emuldata *edp, u_char c)
{
int i, j;
switch (c) {
case '5': /* DECSWL single width, single height */
if (edp->dw) {
for (i = 0; i < edp->ncols / 2; i++)
(*edp->emulops->copycols)(edp->emulcookie,
edp->crow,
2 * i, i, 1);
(*edp->emulops->erasecols)(edp->emulcookie, edp->crow,
i, edp->ncols - i,
edp->bkgdattr);
edp->dblwid[edp->crow] = 0;
edp->dw = 0;
}
break;
case '6': /* DECDWL double width, single height */
case '3': /* DECDHL double width, double height, top half */
case '4': /* DECDHL double width, double height, bottom half */
if (!edp->dw) {
for (i = edp->ncols / 2 - 1; i >= 0; i--)
(*edp->emulops->copycols)(edp->emulcookie,
edp->crow,
i, 2 * i, 1);
for (i = 0; i < edp->ncols / 2; i++)
(*edp->emulops->erasecols)(edp->emulcookie,
edp->crow,
2 * i + 1, 1,
edp->bkgdattr);
edp->dblwid[edp->crow] = 1;
edp->dw = 1;
if (edp->ccol > (edp->ncols >> 1) - 1)
edp->ccol = (edp->ncols >> 1) - 1;
}
break;
case '8': /* DECALN */
for (i = 0; i < edp->nrows; i++)
for (j = 0; j < edp->ncols; j++)
(*edp->emulops->putchar)(edp->emulcookie, i, j,
'E', edp->curattr);
edp->ccol = 0;
edp->crow = 0;
break;
default:
#ifdef VT100_PRINTUNKNOWN
printf("ESC#%c unknown\n", c);
#endif
break;
}
return (VT100_EMUL_STATE_NORMAL);
}
static u_int
wsemul_vt100_output_csi(struct wsemul_vt100_emuldata *edp, u_char c)
{
u_int newstate = VT100_EMUL_STATE_CSI;
switch (c) {
case '0': case '1': case '2': case '3': case '4':
case '5': case '6': case '7': case '8': case '9':
/* argument digit */
if (edp->nargs > VT100_EMUL_NARGS - 1)
break;
edp->args[edp->nargs] = (edp->args[edp->nargs] * 10) +
(c - '0');
break;
case ';': /* argument terminator */
edp->nargs++;
break;
case '?': /* DEC specific */
case '>': /* DA query */
edp->modif1 = c;
break;
case '!':
case '"':
case '$':
case '&':
edp->modif2 = c;
break;
default: /* end of escape sequence */
edp->nargs++;
if (edp->nargs > VT100_EMUL_NARGS) {
#ifdef VT100_DEBUG
printf("vt100: too many arguments\n");
#endif
edp->nargs = VT100_EMUL_NARGS;
}
wsemul_vt100_handle_csi(edp, c);
newstate = VT100_EMUL_STATE_NORMAL;
break;
}
return (newstate);
}
void
wsemul_vt100_output(void *cookie, const u_char *data, u_int count, int kernel)
{
struct wsemul_vt100_emuldata *edp = cookie;
#ifdef DIAGNOSTIC
if (kernel && !edp->console)
panic("wsemul_vt100_output: kernel output, not console");
#endif
if (edp->flags & VTFL_CURSORON)
(*edp->emulops->cursor)(edp->emulcookie, 0,
edp->crow, edp->ccol << edp->dw);
for (; count > 0; data++, count--) {
if ((*data & 0x7f) < 0x20) {
wsemul_vt100_output_c0c1(edp, *data, kernel);
continue;
}
if (edp->state == VT100_EMUL_STATE_NORMAL || kernel) {
wsemul_vt100_output_normal(edp, *data, kernel);
continue;
}
#ifdef DIAGNOSTIC
if (edp->state > sizeof(vt100_output) / sizeof(vt100_output[0]))
panic("wsemul_vt100: invalid state %d", edp->state);
#endif
edp->state = vt100_output[edp->state - 1](edp, *data);
}
if (edp->flags & VTFL_CURSORON)
(*edp->emulops->cursor)(edp->emulcookie, 1,
edp->crow, edp->ccol << edp->dw);
}
#ifdef WSDISPLAY_CUSTOM_OUTPUT
static void
wsemul_vt100_getmsgattrs(void *cookie, struct wsdisplay_msgattrs *ma)
{
struct wsemul_vt100_emuldata *edp = cookie;
*ma = edp->msgattrs;
}
static void
wsemul_vt100_setmsgattrs(void *cookie, const struct wsscreen_descr *type,
const struct wsdisplay_msgattrs *ma)
{
int error;
long tmp;
struct wsemul_vt100_emuldata *edp = cookie;
edp->msgattrs = *ma;
if (type->capabilities & WSSCREEN_WSCOLORS) {
edp->msgattrs.default_attrs |= WSATTR_WSCOLORS;
edp->msgattrs.kernel_attrs |= WSATTR_WSCOLORS;
} else {
edp->msgattrs.default_bg = edp->msgattrs.kernel_bg = 0;
edp->msgattrs.default_fg = edp->msgattrs.kernel_fg = 0;
}
error = (*edp->emulops->allocattr)(edp->emulcookie,
edp->msgattrs.default_fg,
edp->msgattrs.default_bg,
edp->msgattrs.default_attrs,
&tmp);
#ifdef VT100_DEBUG
if (error)
printf("vt100: failed to allocate attribute for default "
"messages\n");
else
#endif
{
if (edp->curattr == edp->defattr) {
edp->bkgdattr = edp->curattr = tmp;
edp->attrflags = edp->msgattrs.default_attrs;
edp->bgcol = edp->msgattrs.default_bg;
edp->fgcol = edp->msgattrs.default_fg;
} else {
edp->savedbkgdattr = edp->savedattr = tmp;
edp->savedattrflags = edp->msgattrs.default_attrs;
edp->savedbgcol = edp->msgattrs.default_bg;
edp->savedfgcol = edp->msgattrs.default_fg;
}
if (edp->emulops->replaceattr != NULL)
(*edp->emulops->replaceattr)(edp->emulcookie,
edp->defattr, tmp);
edp->defattr = tmp;
}
error = (*edp->emulops->allocattr)(edp->emulcookie,
edp->msgattrs.kernel_fg,
edp->msgattrs.kernel_bg,
edp->msgattrs.kernel_attrs,
&tmp);
#ifdef VT100_DEBUG
if (error)
printf("vt100: failed to allocate attribute for kernel "
"messages\n");
else
#endif
{
if (edp->emulops->replaceattr != NULL)
(*edp->emulops->replaceattr)(edp->emulcookie,
edp->kernattr, tmp);
edp->kernattr = tmp;
}
}
#endif /* WSDISPLAY_CUSTOM_OUTPUT */
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