From: Osamu Tomita <tomita@cinet.co.jp>
To: Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
Cc: Alan Cox <alan@lxorguk.ukuu.org.uk>,
James Simmons <jsimmons@infradead.org>
Subject: [PATCH 2.5.65-ac1] Support PC-9800 subarchitecture (7/14) kanji
Date: Fri, 21 Mar 2003 11:48:50 +0900 [thread overview]
Message-ID: <20030321024850.GG1847@yuzuki.cinet.co.jp> (raw)
In-Reply-To: <20030321022850.GA1767@yuzuki.cinet.co.jp>
This is the patch to support NEC PC-9800 subarchitecture
against 2.5.65-ac1. (7/14)
Add japanese kanji character support to PC98 console.
Regards,
Osamu Tomita
diff -Nru linux/drivers/char/console_macros.h linux98/drivers/char/console_macros.h
--- linux/drivers/char/console_macros.h 2003-03-18 11:12:28.000000000 +0900
+++ linux98/drivers/char/console_macros.h 2003-03-18 13:18:49.000000000 +0900
@@ -68,6 +68,16 @@
#define complement_mask (vc_cons[currcons].d->vc_complement_mask)
#define s_complement_mask (vc_cons[currcons].d->vc_s_complement_mask)
#define hi_font_mask (vc_cons[currcons].d->vc_hi_font_mask)
+#define kanji_mode (vc_cons[currcons].d->vc_kanji_mode)
+#define s_kanji_mode (vc_cons[currcons].d->vc_s_kanji_mode)
+#define kanji_char1 (vc_cons[currcons].d->vc_kanji_char1)
+#define translate_ex (vc_cons[currcons].d->vc_translate_ex)
+#define G0_charset_ex (vc_cons[currcons].d->vc_G0_charset_ex)
+#define G1_charset_ex (vc_cons[currcons].d->vc_G1_charset_ex)
+#define saved_G0_ex (vc_cons[currcons].d->vc_saved_G0_ex)
+#define saved_G1_ex (vc_cons[currcons].d->vc_saved_G1_ex)
+#define kanji_jis_mode (vc_cons[currcons].d->vc_kanji_jis_mode)
+#define s_kanji_jis_mode (vc_cons[currcons].d->vc_s_kanji_jis_mode)
#define vcmode (vt_cons[currcons]->vc_mode)
diff -Nru linux/drivers/char/vt.c linux98/drivers/char/vt.c
--- linux/drivers/char/vt.c 2003-03-18 11:12:28.000000000 +0900
+++ linux98/drivers/char/vt.c 2003-03-18 13:18:49.000000000 +0900
@@ -155,6 +155,10 @@
static void blank_screen(unsigned long dummy);
static void gotoxy(int currcons, int new_x, int new_y);
static void save_cur(int currcons);
+#ifdef CONFIG_KANJI
+static void save_cur_kanji(int currcons);
+static void restore_cur_kanji(int currcons);
+#endif
static void reset_terminal(int currcons, int do_clear);
static void con_flush_chars(struct tty_struct *tty);
static void set_vesa_blanking(unsigned long arg);
@@ -439,6 +443,25 @@
do_update_region(currcons, (unsigned long) p, count);
}
+#ifdef CONFIG_KANJI
+/* can called form keyboard.c */
+void do_change_kanji_mode(int currcons, unsigned long mode)
+{
+ switch (mode) {
+ case 0:
+ kanji_mode = EUC_CODE;
+ break;
+ case 1:
+ kanji_mode = JIS_CODE;
+ break;
+ case 2:
+ kanji_mode = SJIS_CODE;
+ break;
+ }
+ kanji_char1 = 0;
+}
+#endif /* CONFIG_KANJI */
+
/* used by selection: complement pointer position */
void complement_pos(int currcons, int offset)
{
@@ -1102,6 +1125,9 @@
translate = set_translate(charset == 0
? G0_charset
: G1_charset,currcons);
+#ifdef CONFIG_KANJI
+ translate_ex = (charset == 0 ? G0_charset_ex : G1_charset_ex);
+#endif
disp_ctrl = 0;
toggle_meta = 0;
break;
@@ -1110,6 +1136,9 @@
* chars < 32 be displayed as ROM chars.
*/
translate = set_translate(IBMPC_MAP,currcons);
+#ifdef CONFIG_KANJI
+ translate_ex = 0;
+#endif
disp_ctrl = 1;
toggle_meta = 0;
break;
@@ -1118,6 +1147,9 @@
* high bit before displaying as ROM char.
*/
translate = set_translate(IBMPC_MAP,currcons);
+#ifdef CONFIG_KANJI
+ translate_ex = 0;
+#endif
disp_ctrl = 1;
toggle_meta = 1;
break;
@@ -1331,6 +1363,22 @@
case 14: /* set vesa powerdown interval */
vesa_off_interval = ((par[1] < 60) ? par[1] : 60) * 60 * HZ;
break;
+#ifdef CONFIG_KANJI
+ case 98:
+ if (par[1] < 10) /* change kanji mode */
+ do_change_kanji_mode(currcons, par[1]); /* 0208 */
+ else if (par[1] == 10) { /* save restore kanji mode */
+ switch (par[2]) {
+ case 1:
+ save_cur_kanji(currcons);
+ break;
+ case 2:
+ restore_cur_kanji(currcons);
+ break;
+ }
+ }
+ break;
+#endif /* CONFIG_KANJI */
}
}
@@ -1408,8 +1456,26 @@
need_wrap = 0;
}
+#ifdef CONFIG_KANJI
+static void save_cur_kanji(int currcons)
+{
+ s_kanji_mode = kanji_mode;
+ s_kanji_jis_mode = kanji_jis_mode;
+}
+
+static void restore_cur_kanji(int currcons)
+{
+ kanji_mode = s_kanji_mode;
+ kanji_jis_mode = s_kanji_jis_mode;
+ kanji_char1 = 0;
+}
+#endif
+
enum { ESnormal, ESesc, ESsquare, ESgetpars, ESgotpars, ESfunckey,
EShash, ESsetG0, ESsetG1, ESpercent, ESignore, ESnonstd,
+#ifdef CONFIG_KANJI
+ ESsetJIS, ESsetJIS2,
+#endif
ESpalette };
/* console_sem is held (except via vc_init()) */
@@ -1419,9 +1485,18 @@
bottom = video_num_lines;
vc_state = ESnormal;
ques = 0;
+#ifdef CONFIG_KANJI
+ translate = set_translate(JP_MAP, currcons);
+ translate_ex = 0;
+ G0_charset = JP_MAP;
+ G0_charset_ex = 0;
+ G1_charset = GRAF_MAP;
+ G1_charset_ex = 0;
+#else
translate = set_translate(LAT1_MAP,currcons);
G0_charset = LAT1_MAP;
G1_charset = GRAF_MAP;
+#endif
charset = 0;
need_wrap = 0;
report_mouse = 0;
@@ -1463,6 +1538,12 @@
bell_pitch = DEFAULT_BELL_PITCH;
bell_duration = DEFAULT_BELL_DURATION;
+#ifdef CONFIG_KANJI
+ kanji_mode = EUC_CODE;
+ kanji_char1 = 0;
+ kanji_jis_mode = JIS_CODE_ASCII;
+#endif
+
gotoxy(currcons,0,0);
save_cur(currcons);
if (do_clear)
@@ -1505,11 +1586,17 @@
case 14:
charset = 1;
translate = set_translate(G1_charset,currcons);
+#ifdef CONFIG_KANJI
+ translate_ex = G1_charset_ex;
+#endif
disp_ctrl = 1;
return;
case 15:
charset = 0;
translate = set_translate(G0_charset,currcons);
+#ifdef CONFIG_KANJI
+ translate_ex = G0_charset_ex;
+#endif
disp_ctrl = 0;
return;
case 24: case 26:
@@ -1566,6 +1653,11 @@
case ')':
vc_state = ESsetG1;
return;
+#ifdef CONFIG_KANJI
+ case '$':
+ vc_state = ESsetJIS;
+ return;
+#endif
case '#':
vc_state = EShash;
return;
@@ -1815,8 +1907,25 @@
G0_charset = IBMPC_MAP;
else if (c == 'K')
G0_charset = USER_MAP;
- if (charset == 0)
+#ifdef CONFIG_KANJI
+ G0_charset_ex = 0;
+ if (c == 'J')
+ G0_charset = JP_MAP;
+ else if (c == 'I'){
+ G0_charset = JP_MAP;
+ G0_charset_ex = 1;
+ }
+#endif /* CONFIG_KANJI */
+ if (charset == 0) {
translate = set_translate(G0_charset,currcons);
+#ifdef CONFIG_KANJI
+ translate_ex = G0_charset_ex;
+#endif
+ }
+#ifdef CONFIG_KANJI
+ kanji_jis_mode = JIS_CODE_ASCII;
+ kanji_char1 = 0;
+#endif
vc_state = ESnormal;
return;
case ESsetG1:
@@ -1828,10 +1937,51 @@
G1_charset = IBMPC_MAP;
else if (c == 'K')
G1_charset = USER_MAP;
- if (charset == 1)
+#ifdef CONFIG_KANJI
+ G1_charset_ex = 0;
+ if (c == 'J')
+ G1_charset = JP_MAP;
+ else if (c == 'I') {
+ G1_charset = JP_MAP;
+ G1_charset_ex = 1;
+ }
+#endif /* CONFIG_KANJI */
+ if (charset == 1) {
translate = set_translate(G1_charset,currcons);
+#ifdef CONFIG_KANJI
+ translate_ex = G1_charset_ex;
+#endif
+ }
+#ifdef CONFIG_KANJI
+ kanji_jis_mode = JIS_CODE_ASCII;
+ kanji_char1 = 0;
+#endif
+ vc_state = ESnormal;
+ return;
+#ifdef CONFIG_KANJI
+ case ESsetJIS:
+ if (c == '@')
+ kanji_jis_mode = JIS_CODE_78;
+ else if (c == 'B')
+ kanji_jis_mode = JIS_CODE_83;
+ else if (c == '('){
+ vc_state = ESsetJIS2;
+ return;
+ } else {
+ vc_state = ESnormal;
+ return;
+ }
vc_state = ESnormal;
+ kanji_char1 = 0;
return;
+ case ESsetJIS2:
+ if (c == 'D'){
+ kanji_jis_mode = JIS_CODE_90;
+ kanji_char1 = 0;
+ }
+ vc_state = ESnormal;
+ return;
+#endif /* CONIFG_KANJI */
default:
vc_state = ESnormal;
}
@@ -1863,7 +2013,7 @@
}
#endif
- int c, tc, ok, n = 0, draw_x = -1;
+ int c, tc = 0, ok, n = 0, draw_x = -1;
unsigned int currcons;
unsigned long draw_from = 0, draw_to = 0;
struct vt_struct *vt = (struct vt_struct *)tty->driver_data;
@@ -1920,48 +2070,151 @@
hide_cursor(currcons);
while (!tty->stopped && count) {
+ int realkanji = 0;
+ int kanjioverrun = 0;
c = *buf;
buf++;
n++;
count--;
- if (utf) {
- /* Combine UTF-8 into Unicode */
- /* Incomplete characters silently ignored */
- if(c > 0x7f) {
- if (utf_count > 0 && (c & 0xc0) == 0x80) {
- utf_char = (utf_char << 6) | (c & 0x3f);
- utf_count--;
- if (utf_count == 0)
- tc = c = utf_char;
- else continue;
- } else {
- if ((c & 0xe0) == 0xc0) {
- utf_count = 1;
- utf_char = (c & 0x1f);
- } else if ((c & 0xf0) == 0xe0) {
- utf_count = 2;
- utf_char = (c & 0x0f);
- } else if ((c & 0xf8) == 0xf0) {
- utf_count = 3;
- utf_char = (c & 0x07);
- } else if ((c & 0xfc) == 0xf8) {
- utf_count = 4;
- utf_char = (c & 0x03);
- } else if ((c & 0xfe) == 0xfc) {
- utf_count = 5;
- utf_char = (c & 0x01);
- } else
- utf_count = 0;
- continue;
- }
- } else {
- tc = c;
- utf_count = 0;
- }
- } else { /* no utf */
- tc = translate[toggle_meta ? (c|0x80) : c];
- }
+#ifdef CONFIG_KANJI
+ if (vc_state == ESnormal && !disp_ctrl) {
+ switch (kanji_jis_mode) {
+ case JIS_CODE_78:
+ case JIS_CODE_83:
+ case JIS_CODE_90:
+ if (utf)
+ break;
+ if (c >= 127 || c <= 0x20) {
+ kanji_char1 = 0;
+ break;
+ }
+ if (kanji_char1) {
+ tc = (((unsigned int)kanji_char1) << 8) |
+ (((unsigned int)c) & 0x007f);
+ kanji_char1 = 0;
+ realkanji = 1;
+ } else {
+ kanji_char1 = ((unsigned int)c) & 0x007f;
+ continue;
+ }
+ break;
+ case JIS_CODE_ASCII:
+ default:
+ switch (kanji_mode) {
+ case SJIS_CODE:
+ if (kanji_char1) {
+ if ((0x40 <= c && c <= 0x7E) ||
+ (0x80 <= c && c <= 0xFC)) {
+ realkanji = 1;
+ /* SJIS to JIS */
+ kanji_char1 <<= 1; /* 81H-9FH --> 22H-3EH */
+ /* EOH-EFH --> C0H-DEH */
+ c -= 0x1f; /* 40H-7EH --> 21H-5FH */
+ /* 80H-9EH --> 61H-7FH */
+ /* 9FH-FCH --> 80H-DDH */
+ if (!(c & 0x80)) {
+ if (c < 0x61)
+ c++;
+ c += 0xde;
+ }
+ c &= 0xff;
+ c += 0xa1;
+ kanji_char1 += 0x1f;
+ tc = (kanji_char1 << 8) + c;
+ tc &= 0x7f7f;
+ kanji_char1 = 0;
+ }
+ } else {
+ if ((0x81 <= c && c <= 0x9f) ||
+ (0xE0 <= c && c <= 0xEF)) {
+ realkanji = 1;
+ kanji_char1 = c;
+ continue;
+ } else if (0xA1 <= c && c <= 0xDF) {
+ tc = (unsigned int)translations[JP_MAP][c];
+ goto hankana_skip;
+ }
+ }
+ break;
+ case EUC_CODE:
+ if (utf)
+ break;
+ if (c <= 0x7f) {
+ kanji_char1 = 0;
+ break;
+ }
+ if (kanji_char1) {
+ if (kanji_char1 == 0x8e) { /* SS2 */
+ /* realkanji ha tatenai */
+ tc = (unsigned int)translations[JP_MAP][c];
+ kanji_char1 = 0;
+ goto hankana_skip;
+ } else {
+ tc = (((unsigned int)kanji_char1) << 8) |
+ (((unsigned int)c) & 0x007f);
+ kanji_char1 = 0;
+ realkanji = 1;
+ }
+ } else {
+ kanji_char1 = (unsigned int)c;
+ continue;
+ }
+ break;
+ case JIS_CODE:
+ /* to be supported */
+ break;
+ } /* switch (kanji_mode) */
+ } /* switch (kanji_jis_mode) */
+ } /* if (vc_state == ESnormal) */
+
+#endif /* CONFIG_KANJI */
+ if (!realkanji) {
+ if (utf) {
+ /* Combine UTF-8 into Unicode */
+ /* Incomplete characters silently ignored */
+ if(c > 0x7f) {
+ if (utf_count > 0 && (c & 0xc0) == 0x80) {
+ utf_char = (utf_char << 6) | (c & 0x3f);
+ utf_count--;
+ if (utf_count == 0)
+ tc = c = utf_char;
+ else continue;
+ } else {
+ if ((c & 0xe0) == 0xc0) {
+ utf_count = 1;
+ utf_char = (c & 0x1f);
+ } else if ((c & 0xf0) == 0xe0) {
+ utf_count = 2;
+ utf_char = (c & 0x0f);
+ } else if ((c & 0xf8) == 0xf0) {
+ utf_count = 3;
+ utf_char = (c & 0x07);
+ } else if ((c & 0xfc) == 0xf8) {
+ utf_count = 4;
+ utf_char = (c & 0x03);
+ } else if ((c & 0xfe) == 0xfc) {
+ utf_count = 5;
+ utf_char = (c & 0x01);
+ } else
+ utf_count = 0;
+ continue;
+ }
+ } else {
+ tc = c;
+ utf_count = 0;
+ }
+ } else { /* no utf */
+#ifdef CONFIG_KANJI
+ tc = translate[(toggle_meta || translate_ex) ? (c | 0x80) : c];
+#else
+ tc = translate[toggle_meta ? (c|0x80) : c];
+#endif
+ }
+ } /* if (!realkanji) */
+#ifdef CONFIG_KANJI
+ hankana_skip:
+#endif
/* If the original code was a control character we
* only allow a glyph to be displayed if the code is
@@ -1978,43 +2231,71 @@
: CTRL_ACTION) >> c) & 1)))
&& (c != 127 || disp_ctrl)
&& (c != 128+27);
+ ok |= realkanji;
if (vc_state == ESnormal && ok) {
- /* Now try to find out how to display it */
- tc = conv_uni_to_pc(vc_cons[currcons].d, tc);
- if ( tc == -4 ) {
+ if (!realkanji) {
+ /* Now try to find out how to display it */
+ tc = conv_uni_to_pc(vc_cons[currcons].d, tc);
+ if ( tc == -4 ) {
/* If we got -4 (not found) then see if we have
defined a replacement character (U+FFFD) */
- tc = conv_uni_to_pc(vc_cons[currcons].d, 0xfffd);
+ tc = conv_uni_to_pc(vc_cons[currcons].d, 0xfffd);
/* One reason for the -4 can be that we just
did a clear_unimap();
try at least to show something. */
- if (tc == -4)
- tc = c;
- } else if ( tc == -3 ) {
+ if (tc == -4)
+ tc = c;
+ } else if ( tc == -3 ) {
/* Bad hash table -- hope for the best */
- tc = c;
- }
- if (tc & ~charmask)
- continue; /* Conversion failed */
+ tc = c;
+ }
+ if (tc & ~charmask)
+ continue; /* Conversion failed */
+ } /* !realkanji */
if (need_wrap || decim)
FLUSH
if (need_wrap) {
cr(currcons);
lf(currcons);
+ if (kanjioverrun) {
+ x++;
+ pos += 2;
+ kanjioverrun = 0;
+ }
}
if (decim)
insert_char(currcons, 1);
+#ifndef CONFIG_KANJI
scr_writew(himask ?
((attr << 8) & ~himask) + ((tc & 0x100) ? himask : 0) + (tc & 0xff) :
(attr << 8) + tc,
(u16 *) pos);
+#else /* CONFIG_KANJI */
+ if (realkanji) {
+ tc = ((tc >> 8) & 0xff) | ((tc << 8) & 0xff00);
+ *((u16 *)pos) = (tc - 0x20) & 0xff7f;
+ *(pc9800_attr_offset((u16 *)pos)) = attr;
+ x ++;
+ pos += 2;
+ *((u16 *)pos) = (tc - 0x20) | 0x80;
+ *(pc9800_attr_offset((u16 *)pos)) = attr;
+ } else {
+ *((u16 *)pos) = tc & 0x00ff;
+ *(pc9800_attr_offset((u16 *)pos)) = attr;
+ }
+#endif /* !CONFIG_KANJI */
if (DO_UPDATE && draw_x < 0) {
draw_x = x;
draw_from = pos;
+ if (realkanji) {
+ draw_x --;
+ draw_from -= 2;
+ }
}
+#ifndef CONFIG_KANJI
if (x == video_num_columns - 1) {
need_wrap = decawm;
draw_to = pos+2;
@@ -2022,6 +2303,16 @@
x++;
draw_to = (pos+=2);
}
+#else /* CONFIG_KANJI */
+ if (x >= video_num_columns - 1) {
+ need_wrap = decawm;
+ kanjioverrun = x - video_num_columns + 1;
+ draw_to = pos + 2;
+ } else {
+ x++;
+ draw_to = (pos += 2);
+ }
+#endif /* !CONFIG_KANJI */
continue;
}
FLUSH
diff -Nru linux-2.5.65/drivers/video/console/Kconfig linux98-2.5.65/drivers/video/console/Kconfig
--- linux-2.5.65/drivers/video/console/Kconfig 2003-03-18 11:12:28.000000000 +0900
+++ linux98-2.5.65/drivers/video/console/Kconfig 2003-03-18 13:18:49.000000000 +0900
@@ -233,5 +233,9 @@
bool "Mini 4x6 font"
depends on !SPARC32 && !SPARC64 && FONTS
+config KANJI
+ bool "Japanese Kanji support"
+ depends on X86_PC9800
+
endmenu
diff -Nru linux/include/linux/console_struct.h linux98/include/linux/console_struct.h
--- linux/include/linux/console_struct.h 2003-03-18 11:12:28.000000000 +0900
+++ linux98/include/linux/console_struct.h 2003-03-18 13:18:49.000000000 +0900
@@ -90,6 +90,18 @@
struct vc_data **vc_display_fg; /* [!] Ptr to var holding fg console for this display */
unsigned long vc_uni_pagedir;
unsigned long *vc_uni_pagedir_loc; /* [!] Location of uni_pagedir variable for this console */
+#ifdef CONFIG_KANJI
+ unsigned char vc_kanji_char1;
+ unsigned char vc_kanji_mode;
+ unsigned char vc_kanji_jis_mode;
+ unsigned char vc_s_kanji_mode;
+ unsigned char vc_s_kanji_jis_mode;
+ unsigned int vc_translate_ex;
+ unsigned char vc_G0_charset_ex;
+ unsigned char vc_G1_charset_ex;
+ unsigned char vc_saved_G0_ex;
+ unsigned char vc_saved_G1_ex;
+#endif /* CONFIG_KANJI */
/* additional information is in vt_kern.h */
};
diff -Nru linux/include/linux/consolemap.h linux98/include/linux/consolemap.h
--- linux/include/linux/consolemap.h Sat Oct 19 13:02:34 2002
+++ linux98/include/linux/consolemap.h Mon Oct 21 14:19:31 2002
@@ -7,6 +7,7 @@
#define GRAF_MAP 1
#define IBMPC_MAP 2
#define USER_MAP 3
+#define JP_MAP 4
struct vc_data;
next prev parent reply other threads:[~2003-03-21 2:40 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-03-21 2:28 [PATCH 2.5.65-ac1] Support PC-9800 subarchitecture (0/14) summary Osamu Tomita
2003-03-21 2:38 ` [PATCH 2.5.65-ac1] Support PC-9800 subarchitecture (1/14) boot98 update Osamu Tomita
2003-03-21 2:40 ` [PATCH 2.5.65-ac1] Support PC-9800 subarchitecture (2/14) console Osamu Tomita
2003-03-21 2:41 ` [PATCH 2.5.65-ac1] Support PC-9800 subarchitecture (3/14) misc core Osamu Tomita
2003-03-21 2:44 ` [PATCH 2.5.65-ac1] Support PC-9800 subarchitecture (4/14) DMA Osamu Tomita
2003-03-21 2:45 ` [PATCH 2.5.65-ac1] Support PC-9800 subarchitecture (5/14) floppy update Osamu Tomita
2003-03-21 2:46 ` [PATCH 2.5.65-ac1] Support PC-9800 subarchitecture (6/14) IDE Osamu Tomita
2003-03-21 2:48 ` Osamu Tomita [this message]
2003-03-21 2:50 ` [PATCH 2.5.65-ac1] Support PC-9800 subarchitecture (8/14) kconfig Osamu Tomita
2003-03-21 2:51 ` [PATCH 2.5.65-ac1] Support PC-9800 subarchitecture (9/14) NIC Osamu Tomita
2003-03-21 4:11 ` Jeff Garzik
2003-03-21 4:35 ` Osamu Tomita
2003-03-21 2:57 ` [PATCH 2.5.65-ac1] Support PC-9800 subarchitecture (10/14) parport Osamu Tomita
2003-03-21 2:59 ` [PATCH 2.5.65-ac1] Support PC-9800 subarchitecture (11/14) PCI Osamu Tomita
2003-03-21 3:00 ` [PATCH 2.5.65-ac1] Support PC-9800 subarchitecture (12/14) PCMCIA Osamu Tomita
2003-03-21 3:02 ` [PATCH 2.5.65-ac1] Support PC-9800 subarchitecture (13/14) SCSI Osamu Tomita
2003-03-21 3:04 ` [PATCH 2.5.65-ac1] Support PC-9800 subarchitecture (14/14) video update Osamu Tomita
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