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freebsd-dev/sys/pc98/cbus/scterm-sck.c
Warner Losh 2895a1020c Merge KSE changes from sys/dev/syscons/scterm-sc.c 1.17 
# there are more "trivial" diffs in this file that have accumulated over time
# and I didn't try to fix those.

Reviewed by: julian, bde, jhb
2001-09-14 04:54:38 +00:00

1212 lines
29 KiB
C
Raw Blame History

/*-
* Copyright (c) 1999 FreeBSD(98) Porting Team.
* 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 as
* the first lines of this file unmodified.
* 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 AUTHORS ``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 AUTHORS 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.
*
* $FreeBSD$
*/
#include "opt_syscons.h"
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/kernel.h>
#include <sys/consio.h>
#include <machine/pc/display.h>
#include <dev/syscons/syscons.h>
#include <dev/syscons/sctermvar.h>
#ifndef SC_DUMB_TERMINAL
#define MAX_ESC_PAR 5
#ifdef KANJI
#define IS_KTYPE_ASCII_or_HANKAKU(A) (!((A) & 0xee))
#define IS_KTYPE_KANA(A) ((A) & 0x11)
#define KTYPE_MASK_CTRL(A) ((A) &= 0xF0)
#endif /* KANJI */
/* attribute flags */
typedef struct {
u_short fg; /* foreground color */
u_short bg; /* background color */
} color_t;
typedef struct {
int flags;
#define SCTERM_BUSY (1 << 0)
int esc;
int num_param;
int last_param;
int param[MAX_ESC_PAR];
int saved_xpos;
int saved_ypos;
#ifdef KANJI
u_char kanji_1st_char;
u_char kanji_type;
#define KTYPE_ASCII 0 /* ASCII */
#define KTYPE_KANA 1 /* HANKAKU */
#define KTYPE_JKANA 0x10 /* JIS HANKAKU */
#define KTYPE_7JIS 0x20 /* JIS */
#define KTYPE_SJIS 2 /* Shift JIS */
#define KTYPE_UJIS 4 /* UJIS */
#define KTYPE_SUKANA 3 /* Shift JIS or UJIS HANKAKU */
#define KTYPE_SUJIS 6 /* SHift JIS or UJIS */
#define KTYPE_KANIN 0x80 /* Kanji Invoke sequence */
#define KTYPE_ASCIN 0x40 /* ASCII Invoke sequence */
#endif /* KANJI */
int attr_mask; /* current logical attr mask */
#define NORMAL_ATTR 0x00
#define BLINK_ATTR 0x01
#define BOLD_ATTR 0x02
#define UNDERLINE_ATTR 0x04
#define REVERSE_ATTR 0x08
#define FG_CHANGED 0x10
#define BG_CHANGED 0x20
int cur_attr; /* current hardware attr word */
color_t cur_color; /* current hardware color */
color_t std_color; /* normal hardware color */
color_t rev_color; /* reverse hardware color */
color_t dflt_std_color; /* default normal color */
color_t dflt_rev_color; /* default reverse color */
} term_stat;
static sc_term_init_t scterm_init;
static sc_term_term_t scterm_term;
static sc_term_puts_t scterm_puts;
static sc_term_ioctl_t scterm_ioctl;
static sc_term_reset_t scterm_reset;
static sc_term_default_attr_t scterm_default_attr;
static sc_term_clear_t scterm_clear;
static sc_term_notify_t scterm_notify;
static sc_term_input_t scterm_input;
static sc_term_sw_t sc_term_sc = {
{ NULL, NULL },
"sck", /* emulator name */
"syscons kanji terminal", /* description */
"*", /* matching renderer, any :-) */
sizeof(term_stat), /* softc size */
0,
scterm_init,
scterm_term,
scterm_puts,
scterm_ioctl,
scterm_reset,
scterm_default_attr,
scterm_clear,
scterm_notify,
scterm_input,
};
SCTERM_MODULE(sc, sc_term_sc);
static term_stat reserved_term_stat;
static int default_kanji = UJIS;
static void scterm_scan_esc(scr_stat *scp, term_stat *tcp,
u_char c);
static int mask2attr(term_stat *tcp);
static u_char iskanji1(u_char mode, u_char c);
static u_char iskanji2(u_char mode, u_char c);
static u_short kanji_convert(u_char mode, u_char h, u_char l);
static int
scterm_init(scr_stat *scp, void **softc, int code)
{
term_stat *tcp;
if (*softc == NULL) {
if (reserved_term_stat.flags & SCTERM_BUSY)
return EINVAL;
*softc = &reserved_term_stat;
}
tcp = *softc;
switch (code) {
case SC_TE_COLD_INIT:
bzero(tcp, sizeof(*tcp));
tcp->flags = SCTERM_BUSY;
tcp->esc = 0;
tcp->saved_xpos = -1;
tcp->saved_ypos = -1;
#ifdef KANJI
tcp->kanji_1st_char = 0;
tcp->kanji_type = KTYPE_ASCII;
#endif
tcp->attr_mask = NORMAL_ATTR;
/* XXX */
tcp->dflt_std_color.fg = SC_NORM_ATTR & 0x0f;
tcp->dflt_std_color.bg = (SC_NORM_ATTR >> 4) & 0x0f;
tcp->dflt_rev_color.fg = SC_NORM_REV_ATTR & 0x0f;
tcp->dflt_rev_color.bg = (SC_NORM_REV_ATTR >> 4) & 0x0f;
tcp->std_color = tcp->dflt_std_color;
tcp->rev_color = tcp->dflt_rev_color;
tcp->cur_color = tcp->std_color;
tcp->cur_attr = mask2attr(tcp);
++sc_term_sc.te_refcount;
break;
case SC_TE_WARM_INIT:
tcp->esc = 0;
tcp->saved_xpos = -1;
tcp->saved_ypos = -1;
#if 0
tcp->std_color = tcp->dflt_std_color;
tcp->rev_color = tcp->dflt_rev_color;
#endif
tcp->cur_color = tcp->std_color;
tcp->cur_attr = mask2attr(tcp);
break;
}
return 0;
}
static int
scterm_term(scr_stat *scp, void **softc)
{
if (*softc == &reserved_term_stat) {
*softc = NULL;
bzero(&reserved_term_stat, sizeof(reserved_term_stat));
}
--sc_term_sc.te_refcount;
return 0;
}
static void
scterm_scan_esc(scr_stat *scp, term_stat *tcp, u_char c)
{
static u_char ansi_col[16] = {
FG_BLACK, FG_RED, FG_GREEN, FG_BROWN,
FG_BLUE, FG_MAGENTA, FG_CYAN, FG_LIGHTGREY,
FG_DARKGREY, FG_LIGHTRED, FG_LIGHTGREEN, FG_YELLOW,
FG_LIGHTBLUE, FG_LIGHTMAGENTA, FG_LIGHTCYAN, FG_WHITE
};
static int cattrs[] = {
0, /* block */
CONS_BLINK_CURSOR, /* blinking block */
CONS_CHAR_CURSOR, /* underline */
CONS_CHAR_CURSOR | CONS_BLINK_CURSOR, /* blinking underline */
CONS_RESET_CURSOR, /* reset to default */
CONS_HIDDEN_CURSOR, /* hide cursor */
};
static int tcattrs[] = {
CONS_RESET_CURSOR | CONS_LOCAL_CURSOR, /* normal */
CONS_HIDDEN_CURSOR | CONS_LOCAL_CURSOR, /* invisible */
CONS_BLINK_CURSOR | CONS_LOCAL_CURSOR, /* very visible */
};
sc_softc_t *sc;
int v0, v1, v2;
int i, n;
i = n = 0;
sc = scp->sc;
if (tcp->esc == 1) { /* seen ESC */
#ifdef KANJI
switch (tcp->kanji_type) {
case KTYPE_KANIN: /* Kanji Invoke sequence */
switch (c) {
case 'B':
case '@':
tcp->kanji_type = KTYPE_7JIS;
tcp->esc = 0;
tcp->kanji_1st_char = 0;
return;
default:
tcp->kanji_type = KTYPE_ASCII;
tcp->esc = 0;
break;
}
break;
case KTYPE_ASCIN: /* Ascii Invoke sequence */
switch (c) {
case 'J':
case 'B':
case 'H':
tcp->kanji_type = KTYPE_ASCII;
tcp->esc = 0;
tcp->kanji_1st_char = 0;
return;
case 'I':
tcp->kanji_type = KTYPE_JKANA;
tcp->esc = 0;
tcp->kanji_1st_char = 0;
return;
default:
tcp->kanji_type = KTYPE_ASCII;
tcp->esc = 0;
break;
}
break;
default:
break;
}
#endif
switch (c) {
case '7': /* Save cursor position */
tcp->saved_xpos = scp->xpos;
tcp->saved_ypos = scp->ypos;
break;
case '8': /* Restore saved cursor position */
if (tcp->saved_xpos >= 0 && tcp->saved_ypos >= 0)
sc_move_cursor(scp, tcp->saved_xpos,
tcp->saved_ypos);
break;
case '[': /* Start ESC [ sequence */
tcp->esc = 2;
tcp->last_param = -1;
for (i = tcp->num_param; i < MAX_ESC_PAR; i++)
tcp->param[i] = 1;
tcp->num_param = 0;
return;
#ifdef KANJI
case '$': /* Kanji Invoke sequence */
tcp->kanji_type = KTYPE_KANIN;
return;
#endif
case 'M': /* Move cursor up 1 line, scroll if at top */
sc_term_up_scroll(scp, 1, sc->scr_map[0x20],
tcp->cur_attr, 0, 0);
break;
#if notyet
case 'Q':
tcp->esc = 4;
return;
#endif
case 'c': /* reset */
tcp->attr_mask = NORMAL_ATTR;
tcp->cur_color = tcp->std_color
= tcp->dflt_std_color;
tcp->rev_color = tcp->dflt_rev_color;
tcp->cur_attr = mask2attr(tcp);
sc_change_cursor_shape(scp,
CONS_RESET_CURSOR | CONS_LOCAL_CURSOR, -1, -1);
sc_clear_screen(scp);
break;
case '(': /* iso-2022: designate 94 character set to G0 */
#ifdef KANJI
tcp->kanji_type = KTYPE_ASCIN;
#else
tcp->esc = 5;
#endif
return;
}
} else if (tcp->esc == 2) { /* seen ESC [ */
if (c >= '0' && c <= '9') {
if (tcp->num_param < MAX_ESC_PAR) {
if (tcp->last_param != tcp->num_param) {
tcp->last_param = tcp->num_param;
tcp->param[tcp->num_param] = 0;
} else {
tcp->param[tcp->num_param] *= 10;
}
tcp->param[tcp->num_param] += c - '0';
return;
}
}
tcp->num_param = tcp->last_param + 1;
switch (c) {
case ';':
if (tcp->num_param < MAX_ESC_PAR)
return;
break;
case '=':
tcp->esc = 3;
tcp->last_param = -1;
for (i = tcp->num_param; i < MAX_ESC_PAR; i++)
tcp->param[i] = 1;
tcp->num_param = 0;
return;
case 'A': /* up n rows */
sc_term_up(scp, tcp->param[0], 0);
break;
case 'B': /* down n rows */
sc_term_down(scp, tcp->param[0], 0);
break;
case 'C': /* right n columns */
sc_term_right(scp, tcp->param[0]);
break;
case 'D': /* left n columns */
sc_term_left(scp, tcp->param[0]);
break;
case 'E': /* cursor to start of line n lines down */
n = tcp->param[0];
if (n < 1)
n = 1;
sc_move_cursor(scp, 0, scp->ypos + n);
break;
case 'F': /* cursor to start of line n lines up */
n = tcp->param[0];
if (n < 1)
n = 1;
sc_move_cursor(scp, 0, scp->ypos - n);
break;
case 'f': /* Cursor move */
case 'H':
if (tcp->num_param == 0)
sc_move_cursor(scp, 0, 0);
else if (tcp->num_param == 2)
sc_move_cursor(scp, tcp->param[1] - 1,
tcp->param[0] - 1);
break;
case 'J': /* Clear all or part of display */
if (tcp->num_param == 0)
n = 0;
else
n = tcp->param[0];
sc_term_clr_eos(scp, n, sc->scr_map[0x20],
tcp->cur_attr);
break;
case 'K': /* Clear all or part of line */
if (tcp->num_param == 0)
n = 0;
else
n = tcp->param[0];
sc_term_clr_eol(scp, n, sc->scr_map[0x20],
tcp->cur_attr);
break;
case 'L': /* Insert n lines */
sc_term_ins_line(scp, scp->ypos, tcp->param[0],
sc->scr_map[0x20], tcp->cur_attr, 0);
break;
case 'M': /* Delete n lines */
sc_term_del_line(scp, scp->ypos, tcp->param[0],
sc->scr_map[0x20], tcp->cur_attr, 0);
break;
case 'P': /* Delete n chars */
sc_term_del_char(scp, tcp->param[0],
sc->scr_map[0x20], tcp->cur_attr);
break;
case '@': /* Insert n chars */
sc_term_ins_char(scp, tcp->param[0],
sc->scr_map[0x20], tcp->cur_attr);
break;
case 'S': /* scroll up n lines */
sc_term_del_line(scp, 0, tcp->param[0],
sc->scr_map[0x20], tcp->cur_attr, 0);
break;
case 'T': /* scroll down n lines */
sc_term_ins_line(scp, 0, tcp->param[0],
sc->scr_map[0x20], tcp->cur_attr, 0);
break;
case 'X': /* erase n characters in line */
n = tcp->param[0];
if (n < 1)
n = 1;
if (n > scp->xsize - scp->xpos)
n = scp->xsize - scp->xpos;
sc_vtb_erase(&scp->vtb, scp->cursor_pos, n,
sc->scr_map[0x20], tcp->cur_attr);
mark_for_update(scp, scp->cursor_pos);
mark_for_update(scp, scp->cursor_pos + n - 1);
break;
case 'Z': /* move n tabs backwards */
sc_term_backtab(scp, tcp->param[0]);
break;
case '`': /* move cursor to column n */
sc_term_col(scp, tcp->param[0]);
break;
case 'a': /* move cursor n columns to the right */
sc_term_right(scp, tcp->param[0]);
break;
case 'd': /* move cursor to row n */
sc_term_row(scp, tcp->param[0]);
break;
case 'e': /* move cursor n rows down */
sc_term_down(scp, tcp->param[0], 0);
break;
case 'm': /* change attribute */
if (tcp->num_param == 0) {
tcp->attr_mask = NORMAL_ATTR;
tcp->cur_color = tcp->std_color;
tcp->cur_attr = mask2attr(tcp);
break;
}
for (i = 0; i < tcp->num_param; i++) {
switch (n = tcp->param[i]) {
case 0: /* back to normal */
tcp->attr_mask = NORMAL_ATTR;
tcp->cur_color = tcp->std_color;
tcp->cur_attr = mask2attr(tcp);
break;
case 1: /* bold */
tcp->attr_mask |= BOLD_ATTR;
tcp->cur_attr = mask2attr(tcp);
break;
case 4: /* underline */
tcp->attr_mask |= UNDERLINE_ATTR;
tcp->cur_attr = mask2attr(tcp);
break;
case 5: /* blink */
tcp->attr_mask |= BLINK_ATTR;
tcp->cur_attr = mask2attr(tcp);
break;
case 7: /* reverse */
tcp->attr_mask |= REVERSE_ATTR;
tcp->cur_attr = mask2attr(tcp);
break;
case 22: /* remove bold (or dim) */
tcp->attr_mask &= ~BOLD_ATTR;
tcp->cur_attr = mask2attr(tcp);
break;
case 24: /* remove underline */
tcp->attr_mask &= ~UNDERLINE_ATTR;
tcp->cur_attr = mask2attr(tcp);
break;
case 25: /* remove blink */
tcp->attr_mask &= ~BLINK_ATTR;
tcp->cur_attr = mask2attr(tcp);
break;
case 27: /* remove reverse */
tcp->attr_mask &= ~REVERSE_ATTR;
tcp->cur_attr = mask2attr(tcp);
break;
case 30: case 31: /* set ansi fg color */
case 32: case 33: case 34:
case 35: case 36: case 37:
tcp->attr_mask |= FG_CHANGED;
tcp->cur_color.fg = ansi_col[n - 30];
tcp->cur_attr = mask2attr(tcp);
break;
case 39: /* restore fg color back to normal */
tcp->attr_mask &= ~(FG_CHANGED|BOLD_ATTR);
tcp->cur_color.fg = tcp->std_color.fg;
tcp->cur_attr = mask2attr(tcp);
break;
case 40: case 41: /* set ansi bg color */
case 42: case 43: case 44:
case 45: case 46: case 47:
tcp->attr_mask |= BG_CHANGED;
tcp->cur_color.bg = ansi_col[n - 40];
tcp->cur_attr = mask2attr(tcp);
break;
case 49: /* restore bg color back to normal */
tcp->attr_mask &= ~BG_CHANGED;
tcp->cur_color.bg = tcp->std_color.bg;
tcp->cur_attr = mask2attr(tcp);
break;
}
}
break;
case 's': /* Save cursor position */
tcp->saved_xpos = scp->xpos;
tcp->saved_ypos = scp->ypos;
break;
case 'u': /* Restore saved cursor position */
if (tcp->saved_xpos >= 0 && tcp->saved_ypos >= 0)
sc_move_cursor(scp, tcp->saved_xpos,
tcp->saved_ypos);
break;
case 'x':
if (tcp->num_param == 0)
n = 0;
else
n = tcp->param[0];
switch (n) {
case 0: /* reset colors and attributes back to normal */
tcp->attr_mask = NORMAL_ATTR;
tcp->cur_color = tcp->std_color =
tcp->dflt_std_color;
tcp->rev_color = tcp->dflt_rev_color;
tcp->cur_attr = mask2attr(tcp);
break;
case 1: /* set ansi background */
tcp->attr_mask &= ~BG_CHANGED;
tcp->cur_color.bg = tcp->std_color.bg =
ansi_col[tcp->param[1] & 0x0f];
tcp->cur_attr = mask2attr(tcp);
break;
case 2: /* set ansi foreground */
tcp->attr_mask &= ~FG_CHANGED;
tcp->cur_color.fg = tcp->std_color.fg =
ansi_col[tcp->param[1] & 0x0f];
tcp->cur_attr = mask2attr(tcp);
break;
case 3: /* set adapter attribute directly */
tcp->attr_mask &= ~(FG_CHANGED | BG_CHANGED);
tcp->cur_color.fg = tcp->std_color.fg =
tcp->param[1] & 0x0f;
tcp->cur_color.bg = tcp->std_color.bg =
(tcp->param[1] >> 4) & 0x0f;
tcp->cur_attr = mask2attr(tcp);
break;
case 5: /* set ansi reverse background */
tcp->rev_color.bg =
ansi_col[tcp->param[1] & 0x0f];
tcp->cur_attr = mask2attr(tcp);
break;
case 6: /* set ansi reverse foreground */
tcp->rev_color.fg =
ansi_col[tcp->param[1] & 0x0f];
tcp->cur_attr = mask2attr(tcp);
break;
case 7: /* set adapter reverse attribute directly */
tcp->rev_color.fg = tcp->param[1] & 0x0f;
tcp->rev_color.bg = (tcp->param[1] >> 4) & 0x0f;
tcp->cur_attr = mask2attr(tcp);
break;
}
break;
case 'z': /* switch to (virtual) console n */
if (tcp->num_param == 1)
sc_switch_scr(sc, tcp->param[0]);
break;
}
} else if (tcp->esc == 3) { /* seen ESC [0-9]+ = */
if (c >= '0' && c <= '9') {
if (tcp->num_param < MAX_ESC_PAR) {
if (tcp->last_param != tcp->num_param) {
tcp->last_param = tcp->num_param;
tcp->param[tcp->num_param] = 0;
} else {
tcp->param[tcp->num_param] *= 10;
}
tcp->param[tcp->num_param] += c - '0';
return;
}
}
tcp->num_param = tcp->last_param + 1;
switch (c) {
case ';':
if (tcp->num_param < MAX_ESC_PAR)
return;
break;
case 'A': /* set display border color */
if (tcp->num_param == 1) {
scp->border=tcp->param[0] & 0xff;
if (scp == sc->cur_scp)
sc_set_border(scp, scp->border);
}
break;
case 'B': /* set bell pitch and duration */
if (tcp->num_param == 2) {
scp->bell_pitch = tcp->param[0];
scp->bell_duration =
(tcp->param[1] * hz + 99) / 100;
}
break;
case 'C': /* set global/parmanent cursor type & shape */
i = spltty();
n = tcp->num_param;
v0 = tcp->param[0];
v1 = tcp->param[1];
v2 = tcp->param[2];
switch (n) {
case 1: /* flags only */
if (v0 < sizeof(cattrs)/sizeof(cattrs[0]))
v0 = cattrs[v0];
else /* backward compatibility */
v0 = cattrs[v0 & 0x3];
sc_change_cursor_shape(scp, v0, -1, -1);
break;
case 2:
v2 = 0;
v0 &= 0x1f; /* backward compatibility */
v1 &= 0x1f;
/* FALL THROUGH */
case 3: /* base and height */
if (v2 == 0) /* count from top */
sc_change_cursor_shape(scp, -1,
scp->font_size - v1 - 1,
v1 - v0 + 1);
else if (v2 == 1) /* count from bottom */
sc_change_cursor_shape(scp, -1,
v0, v1 - v0 + 1);
break;
}
splx(i);
break;
case 'F': /* set adapter foreground */
if (tcp->num_param == 1) {
tcp->attr_mask &= ~FG_CHANGED;
tcp->cur_color.fg = tcp->std_color.fg =
tcp->param[0] & 0x0f;
tcp->cur_attr = mask2attr(tcp);
}
break;
case 'G': /* set adapter background */
if (tcp->num_param == 1) {
tcp->attr_mask &= ~BG_CHANGED;
tcp->cur_color.bg = tcp->std_color.bg =
tcp->param[0] & 0x0f;
tcp->cur_attr = mask2attr(tcp);
}
break;
case 'H': /* set adapter reverse foreground */
if (tcp->num_param == 1) {
tcp->rev_color.fg = tcp->param[0] & 0x0f;
tcp->cur_attr = mask2attr(tcp);
}
break;
case 'I': /* set adapter reverse background */
if (tcp->num_param == 1) {
tcp->rev_color.bg = tcp->param[0] & 0x0f;
tcp->cur_attr = mask2attr(tcp);
}
break;
case 'S': /* set local/temporary cursor type & shape */
i = spltty();
n = tcp->num_param;
v0 = tcp->param[0];
switch (n) {
case 0:
v0 = 0;
/* FALL THROUGH */
case 1:
if (v0 < sizeof(tcattrs)/sizeof(tcattrs[0]))
sc_change_cursor_shape(scp,
tcattrs[v0], -1, -1);
break;
}
splx(i);
break;
}
#if notyet
} else if (tcp->esc == 4) { /* seen ESC Q */
/* to be filled */
#endif
} else if (tcp->esc == 5) { /* seen ESC ( */
switch (c) {
case 'B': /* iso-2022: desginate ASCII into G0 */
break;
/* other items to be filled */
default:
break;
}
}
tcp->esc = 0;
}
static void
scterm_puts(scr_stat *scp, u_char *buf, int len)
{
term_stat *tcp = scp->ts;
u_char *ptr = buf;
#ifdef KANJI
u_short kanji_code;
#endif
outloop:
scp->sc->write_in_progress++;
if (tcp->esc) {
scterm_scan_esc(scp, tcp, *ptr++);
len--;
} else if (PRINTABLE(*ptr)) { /* Print only printables */
vm_offset_t p;
u_char *map;
int attr;
int i;
#ifdef KANJI
u_char c;
#else
int cnt;
#endif
p = sc_vtb_pointer(&scp->vtb, scp->cursor_pos);
map = scp->sc->scr_map;
attr = tcp->cur_attr;
#ifdef KANJI
c = *ptr;
if (tcp->kanji_1st_char == 0) {
tcp->kanji_type = iskanji1(tcp->kanji_type, c);
if (!IS_KTYPE_ASCII_or_HANKAKU(tcp->kanji_type)) {
/* not Ascii & not HANKAKU */
tcp->kanji_1st_char = c;
goto kanji_end;
} else {
tcp->kanji_1st_char = 0;
}
} else {
if ((tcp->kanji_type =
iskanji2(tcp->kanji_type, c)) & 0xee) {
/* print kanji on TEXT VRAM */
kanji_code = kanji_convert(tcp->kanji_type, c,
tcp->kanji_1st_char);
mark_for_update(scp, scp->cursor_pos);
for (i = 0; i < 2; i++) {
/* *cursor_pos = (kanji_code | (i*0x80)); */
p = sc_vtb_putchar(&scp->vtb, p,
kanji_code | ((i == 0) ? 0x00 : 0x80), attr);
++scp->cursor_pos;
if (++scp->xpos >= scp->xsize) {
scp->xpos = 0;
scp->ypos++;
}
}
mark_for_update(scp, scp->cursor_pos - 1);
KTYPE_MASK_CTRL(tcp->kanji_type);
tcp->kanji_1st_char = 0;
goto kanji_end;
} else {
tcp->kanji_1st_char = 0;
}
}
if (IS_KTYPE_KANA(tcp->kanji_type))
c |= 0x80;
KTYPE_MASK_CTRL(tcp->kanji_type);
sc_vtb_putchar(&scp->vtb, p, map[c], attr);
mark_for_update(scp, scp->cursor_pos);
mark_for_update(scp, scp->cursor_pos);
++scp->cursor_pos;
++scp->xpos;
kanji_end:
++ptr;
--len;
#else /* !KANJI */
cnt = imin(len, scp->xsize - scp->xpos);
i = cnt;
do {
/*
* gcc-2.6.3 generates poor (un)sign extension code.
* Casting the pointers in the following to volatile should
* have no effect, but in fact speeds up this inner loop
* from 26 to 18 cycles (+ cache misses) on i486's.
*/
#define UCVP(ucp) ((u_char volatile *)(ucp))
p = sc_vtb_putchar(&scp->vtb, p, UCVP(map)[*UCVP(ptr)],
attr);
++ptr;
--i;
} while (i > 0 && PRINTABLE(*ptr));
len -= cnt - i;
mark_for_update(scp, scp->cursor_pos);
scp->cursor_pos += cnt - i;
mark_for_update(scp, scp->cursor_pos - 1);
scp->xpos += cnt - i;
#endif /* !KANJI */
if (scp->xpos >= scp->xsize) {
scp->xpos = 0;
scp->ypos++;
}
} else {
switch (*ptr) {
case 0x07:
sc_bell(scp, scp->bell_pitch, scp->bell_duration);
break;
case 0x08: /* non-destructive backspace */
if (scp->cursor_pos > 0) {
mark_for_update(scp, scp->cursor_pos);
scp->cursor_pos--;
mark_for_update(scp, scp->cursor_pos);
if (scp->xpos > 0)
scp->xpos--;
else {
scp->xpos += scp->xsize - 1;
scp->ypos--;
}
}
break;
case 0x09: /* non-destructive tab */
mark_for_update(scp, scp->cursor_pos);
scp->cursor_pos += (8 - scp->xpos % 8u);
scp->xpos += (8 - scp->xpos % 8u);
if (scp->xpos >= scp->xsize) {
scp->xpos = 0;
scp->ypos++;
scp->cursor_pos = scp->xsize * scp->ypos;
}
mark_for_update(scp, scp->cursor_pos);
break;
case 0x0a: /* newline, same pos */
mark_for_update(scp, scp->cursor_pos);
scp->cursor_pos += scp->xsize;
mark_for_update(scp, scp->cursor_pos);
scp->ypos++;
break;
case 0x0c: /* form feed, clears screen */
sc_clear_screen(scp);
break;
case 0x0d: /* return, return to pos 0 */
mark_for_update(scp, scp->cursor_pos);
scp->cursor_pos -= scp->xpos;
mark_for_update(scp, scp->cursor_pos);
scp->xpos = 0;
break;
#ifdef PC98
case 0x0e: /* ^N */
tcp->kanji_type = KTYPE_JKANA;
tcp->esc = 0;
tcp->kanji_1st_char = 0;
break;
case 0x0f: /* ^O */
tcp->kanji_type = KTYPE_ASCII;
tcp->esc = 0;
tcp->kanji_1st_char = 0;
break;
#endif /* PC98 */
case 0x1b: /* start escape sequence */
tcp->esc = 1;
tcp->num_param = 0;
break;
}
ptr++;
len--;
}
sc_term_gen_scroll(scp, scp->sc->scr_map[0x20], tcp->cur_attr);
scp->sc->write_in_progress--;
if (len)
goto outloop;
}
static int
scterm_ioctl(scr_stat *scp, struct tty *tp, u_long cmd, caddr_t data,
int flag, struct thread *td)
{
term_stat *tcp = scp->ts;
vid_info_t *vi;
switch (cmd) {
case GIO_ATTR: /* get current attributes */
/* FIXME: */
*(int*)data = (tcp->cur_attr >> 8) & 0xff;
return 0;
case CONS_GETINFO: /* get current (virtual) console info */
vi = (vid_info_t *)data;
if (vi->size != sizeof(struct vid_info))
return EINVAL;
vi->mv_norm.fore = tcp->std_color.fg;
vi->mv_norm.back = tcp->std_color.bg;
vi->mv_rev.fore = tcp->rev_color.fg;
vi->mv_rev.back = tcp->rev_color.bg;
/*
* The other fields are filled by the upper routine. XXX
*/
return ENOIOCTL;
}
return ENOIOCTL;
}
static int
scterm_reset(scr_stat *scp, int code)
{
/* FIXME */
return 0;
}
static void
scterm_default_attr(scr_stat *scp, int color, int rev_color)
{
term_stat *tcp = scp->ts;
tcp->dflt_std_color.fg = color & 0x0f;
tcp->dflt_std_color.bg = (color >> 4) & 0x0f;
tcp->dflt_rev_color.fg = rev_color & 0x0f;
tcp->dflt_rev_color.bg = (rev_color >> 4) & 0x0f;
tcp->std_color = tcp->dflt_std_color;
tcp->rev_color = tcp->dflt_rev_color;
tcp->cur_color = tcp->std_color;
tcp->cur_attr = mask2attr(tcp);
}
static void
scterm_clear(scr_stat *scp)
{
term_stat *tcp = scp->ts;
sc_move_cursor(scp, 0, 0);
sc_vtb_clear(&scp->vtb, scp->sc->scr_map[0x20], tcp->cur_attr);
mark_all(scp);
}
static void
scterm_notify(scr_stat *scp, int event)
{
switch (event) {
case SC_TE_NOTIFY_VTSWITCH_IN:
break;
case SC_TE_NOTIFY_VTSWITCH_OUT:
break;
}
}
static int
scterm_input(scr_stat *scp, int c, struct tty *tp)
{
return FALSE;
}
/*
* Calculate hardware attributes word using logical attributes mask and
* hardware colors
*/
/* FIXME */
static int
mask2attr(term_stat *tcp)
{
int attr, mask = tcp->attr_mask;
if (mask & REVERSE_ATTR) {
attr = ((mask & FG_CHANGED) ?
tcp->cur_color.bg : tcp->rev_color.fg) |
(((mask & BG_CHANGED) ?
tcp->cur_color.fg : tcp->rev_color.bg) << 4);
} else
attr = tcp->cur_color.fg | (tcp->cur_color.bg << 4);
/* XXX: underline mapping for Hercules adapter can be better */
if (mask & (BOLD_ATTR | UNDERLINE_ATTR))
attr ^= 0x08;
if (mask & BLINK_ATTR)
attr ^= 0x80;
return (attr << 8);
}
#ifdef KANJI
static u_char
iskanji1(u_char mode, u_char c)
{
if ((mode == KTYPE_7JIS) && (c >= 0x21) && (c <= 0x7e)) {
/* JIS */
default_kanji = UJIS;
return KTYPE_7JIS;
}
if ((mode == KTYPE_JKANA) && (c >= 0x21) && (c <= 0x5f)) {
/* JIS HANKAKU */
default_kanji = UJIS;
return KTYPE_JKANA;
}
#if 1
if ((c >= 0xa1) && (c <= 0xdf) && (default_kanji == UJIS)) {
/* UJIS */
return KTYPE_UJIS;
}
#endif
if ((c >= 0x81) && (c <= 0x9f) && (c != 0x8e)) {
/* SJIS */
default_kanji = SJIS;
return KTYPE_SJIS;
}
if ((c >= 0xa1) && (c <= 0xdf) && (default_kanji == SJIS)) {
/* SJIS HANKAKU */
return KTYPE_KANA;
}
#if 0
if ((c >= 0xa1) && (c <= 0xdf) && (default_kanji == UJIS)) {
/* UJIS */
return KTYPE_UJIS;
}
#endif
if ((c >= 0xf0) && (c <= 0xfe)) {
/* UJIS */
default_kanji = UJIS;
return KTYPE_UJIS;
}
if ((c >= 0xe0) && (c <= 0xef)) {
/* SJIS or UJIS */
return KTYPE_SUJIS;
}
if (c == 0x8e) {
/* SJIS or UJIS HANKAKU */
return KTYPE_SUKANA;
}
return KTYPE_ASCII;
}
static u_char
iskanji2(u_char mode, u_char c)
{
switch (mode) {
case KTYPE_7JIS:
if ((c >= 0x21) && (c <= 0x7e)) {
/* JIS */
return KTYPE_7JIS;
}
break;
case KTYPE_SJIS:
if ((c >= 0x40) && (c <= 0xfc) && (c != 0x7f)) {
/* SJIS */
return KTYPE_SJIS;
}
break;
case KTYPE_UJIS:
if ((c >= 0xa1) && (c <= 0xfe)) {
/* UJIS */
return KTYPE_UJIS;
}
break;
case KTYPE_SUKANA:
if ((c >= 0xa1) && (c <= 0xdf) && (default_kanji == UJIS)) {
/* UJIS HANKAKU */
return KTYPE_KANA;
}
if ((c >= 0x40) && (c <= 0xfc) && (c != 0x7f)) {
/* SJIS */
default_kanji = SJIS;
return KTYPE_SJIS;
}
break;
case KTYPE_SUJIS:
if ((c >= 0x40) && (c <= 0xa0) && (c != 0x7f)) {
/* SJIS */
default_kanji = SJIS;
return KTYPE_SJIS;
}
if ((c == 0xfd) || (c == 0xfe)) {
/* UJIS */
default_kanji = UJIS;
return KTYPE_UJIS;
}
if ((c >= 0xa1) && (c <= 0xfc)) {
if (default_kanji == SJIS)
return KTYPE_SJIS;
if (default_kanji == UJIS)
return KTYPE_UJIS;
}
break;
}
return KTYPE_ASCII;
}
/*
* JIS X0208-83 keisen conversion table
*/
static u_short keiConv[32] = {
0x240c, 0x260c, 0x300c, 0x340c, 0x3c0c, 0x380c, 0x400c, 0x500c,
0x480c, 0x580c, 0x600c, 0x250c, 0x270c, 0x330c, 0x370c, 0x3f0c,
0x3b0c, 0x470c, 0x570c, 0x4f0c, 0x5f0c, 0x6f0c, 0x440c, 0x530c,
0x4c0c, 0x5b0c, 0x630c, 0x410c, 0x540c, 0x490c, 0x5c0c, 0x660c
};
static u_short
kanji_convert(u_char mode, u_char h, u_char l)
{
u_short tmp, high, low, c;
high = (u_short) h;
low = (u_short) l;
switch (mode) {
case KTYPE_SJIS: /* SHIFT JIS */
if (low >= 0xe0) {
low -= 0x40;
}
low = (low - 0x81) * 2 + 0x21;
if (high > 0x7f) {
high--;
}
if (high > 0x9d) {
low++;
high -= 0x9e - 0x21;
} else {
high -= 0x40 - 0x21;
}
high &= 0x7F;
low &= 0x7F;
tmp = ((high << 8) | low) - 0x20;
break;
case KTYPE_7JIS: /* JIS */
case KTYPE_UJIS: /* UJIS */
high &= 0x7F;
low &= 0x7F;
tmp = ((high << 8) | low) - 0x20;
break;
default:
tmp = 0;
break;
}
/* keisen */
c = ((tmp & 0xff) << 8) | (tmp >> 8);
/* 0x2821 .. 0x2840 */
if (0x0821 <= c && c <= 0x0840)
tmp = keiConv[c - 0x0821];
return (tmp);
}
#endif /* KANJI */
#endif /* SC_DUMB_TERMINAL */
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