This source file includes following definitions.
- set_inverse_transl
- set_translate
- inverse_translate
- con_set_trans_old
- con_get_trans_old
- con_set_trans_new
- con_get_trans_new
- con_clear_unimap
- con_set_unimap
- con_get_unimap
- conv_uni_to_pc
1
2
3
4
5
6
7
8
9
10 #include <linux/kd.h>
11 #include <linux/errno.h>
12 #include <linux/mm.h>
13 #include <linux/malloc.h>
14 #include <asm/segment.h>
15 #include "consolemap.h"
16
17 static unsigned short translations[][256] = {
18
19 {
20 0x0000, 0x0001, 0x0002, 0x0003, 0x0004, 0x0005, 0x0006, 0x0007,
21 0x0008, 0x0009, 0x000a, 0x000b, 0x000c, 0x000d, 0x000e, 0x000f,
22 0x0010, 0x0011, 0x0012, 0x0013, 0x0014, 0x0015, 0x0016, 0x0017,
23 0x0018, 0x0019, 0x001a, 0x001b, 0x001c, 0x001d, 0x001e, 0x001f,
24 0x0020, 0x0021, 0x0022, 0x0023, 0x0024, 0x0025, 0x0026, 0x0027,
25 0x0028, 0x0029, 0x002a, 0x002b, 0x002c, 0x002d, 0x002e, 0x002f,
26 0x0030, 0x0031, 0x0032, 0x0033, 0x0034, 0x0035, 0x0036, 0x0037,
27 0x0038, 0x0039, 0x003a, 0x003b, 0x003c, 0x003d, 0x003e, 0x003f,
28 0x0040, 0x0041, 0x0042, 0x0043, 0x0044, 0x0045, 0x0046, 0x0047,
29 0x0048, 0x0049, 0x004a, 0x004b, 0x004c, 0x004d, 0x004e, 0x004f,
30 0x0050, 0x0051, 0x0052, 0x0053, 0x0054, 0x0055, 0x0056, 0x0057,
31 0x0058, 0x0059, 0x005a, 0x005b, 0x005c, 0x005d, 0x005e, 0x005f,
32 0x0060, 0x0061, 0x0062, 0x0063, 0x0064, 0x0065, 0x0066, 0x0067,
33 0x0068, 0x0069, 0x006a, 0x006b, 0x006c, 0x006d, 0x006e, 0x006f,
34 0x0070, 0x0071, 0x0072, 0x0073, 0x0074, 0x0075, 0x0076, 0x0077,
35 0x0078, 0x0079, 0x007a, 0x007b, 0x007c, 0x007d, 0x007e, 0x007f,
36 0x0080, 0x0081, 0x0082, 0x0083, 0x0084, 0x0085, 0x0086, 0x0087,
37 0x0088, 0x0089, 0x008a, 0x008b, 0x008c, 0x008d, 0x008e, 0x008f,
38 0x0090, 0x0091, 0x0092, 0x0093, 0x0094, 0x0095, 0x0096, 0x0097,
39 0x0098, 0x0099, 0x009a, 0x009b, 0x009c, 0x009d, 0x009e, 0x009f,
40 0x00a0, 0x00a1, 0x00a2, 0x00a3, 0x00a4, 0x00a5, 0x00a6, 0x00a7,
41 0x00a8, 0x00a9, 0x00aa, 0x00ab, 0x00ac, 0x00ad, 0x00ae, 0x00af,
42 0x00b0, 0x00b1, 0x00b2, 0x00b3, 0x00b4, 0x00b5, 0x00b6, 0x00b7,
43 0x00b8, 0x00b9, 0x00ba, 0x00bb, 0x00bc, 0x00bd, 0x00be, 0x00bf,
44 0x00c0, 0x00c1, 0x00c2, 0x00c3, 0x00c4, 0x00c5, 0x00c6, 0x00c7,
45 0x00c8, 0x00c9, 0x00ca, 0x00cb, 0x00cc, 0x00cd, 0x00ce, 0x00cf,
46 0x00d0, 0x00d1, 0x00d2, 0x00d3, 0x00d4, 0x00d5, 0x00d6, 0x00d7,
47 0x00d8, 0x00d9, 0x00da, 0x00db, 0x00dc, 0x00dd, 0x00de, 0x00df,
48 0x00e0, 0x00e1, 0x00e2, 0x00e3, 0x00e4, 0x00e5, 0x00e6, 0x00e7,
49 0x00e8, 0x00e9, 0x00ea, 0x00eb, 0x00ec, 0x00ed, 0x00ee, 0x00ef,
50 0x00f0, 0x00f1, 0x00f2, 0x00f3, 0x00f4, 0x00f5, 0x00f6, 0x00f7,
51 0x00f8, 0x00f9, 0x00fa, 0x00fb, 0x00fc, 0x00fd, 0x00fe, 0x00ff
52 },
53
54 {
55 0x0000, 0x0001, 0x0002, 0x0003, 0x0004, 0x0005, 0x0006, 0x0007,
56 0x0008, 0x0009, 0x000a, 0x000b, 0x000c, 0x000d, 0x000e, 0x000f,
57 0x0010, 0x0011, 0x0012, 0x0013, 0x0014, 0x0015, 0x0016, 0x0017,
58 0x0018, 0x0019, 0x001a, 0x001b, 0x001c, 0x001d, 0x001e, 0x001f,
59 0x0020, 0x0021, 0x0022, 0x0023, 0x0024, 0x0025, 0x0026, 0x0027,
60 0x0028, 0x0029, 0x002a, 0x002b, 0x002c, 0x002d, 0x002e, 0x002f,
61 0x0030, 0x0031, 0x0032, 0x0033, 0x0034, 0x0035, 0x0036, 0x0037,
62 0x0038, 0x0039, 0x003a, 0x003b, 0x003c, 0x003d, 0x003e, 0x003f,
63 0x0040, 0x0041, 0x0042, 0x0043, 0x0044, 0x0045, 0x0046, 0x0047,
64 0x0048, 0x0049, 0x004a, 0x004b, 0x004c, 0x004d, 0x004e, 0x004f,
65 0x0050, 0x0051, 0x0052, 0x0053, 0x0054, 0x0055, 0x0056, 0x0057,
66 0x0058, 0x0059, 0x005a, 0x005b, 0x005c, 0x005d, 0x005e, 0x00a0,
67 0x25c6, 0x2592, 0x2409, 0x240c, 0x240d, 0x240a, 0x00b0, 0x00b1,
68 0x2424, 0x240b, 0x2518, 0x2510, 0x250c, 0x2514, 0x253c, 0xf800,
69 0xf801, 0x2500, 0xf803, 0xf804, 0x251c, 0x2524, 0x2534, 0x252c,
70 0x2502, 0x2264, 0x2265, 0x03c0, 0x2260, 0x00a3, 0x00b7, 0x007f,
71 0x0080, 0x0081, 0x0082, 0x0083, 0x0084, 0x0085, 0x0086, 0x0087,
72 0x0088, 0x0089, 0x008a, 0x008b, 0x008c, 0x008d, 0x008e, 0x008f,
73 0x0090, 0x0091, 0x0092, 0x0093, 0x0094, 0x0095, 0x0096, 0x0097,
74 0x0098, 0x0099, 0x009a, 0x009b, 0x009c, 0x009d, 0x009e, 0x009f,
75 0x00a0, 0x00a1, 0x00a2, 0x00a3, 0x00a4, 0x00a5, 0x00a6, 0x00a7,
76 0x00a8, 0x00a9, 0x00aa, 0x00ab, 0x00ac, 0x00ad, 0x00ae, 0x00af,
77 0x00b0, 0x00b1, 0x00b2, 0x00b3, 0x00b4, 0x00b5, 0x00b6, 0x00b7,
78 0x00b8, 0x00b9, 0x00ba, 0x00bb, 0x00bc, 0x00bd, 0x00be, 0x00bf,
79 0x00c0, 0x00c1, 0x00c2, 0x00c3, 0x00c4, 0x00c5, 0x00c6, 0x00c7,
80 0x00c8, 0x00c9, 0x00ca, 0x00cb, 0x00cc, 0x00cd, 0x00ce, 0x00cf,
81 0x00d0, 0x00d1, 0x00d2, 0x00d3, 0x00d4, 0x00d5, 0x00d6, 0x00d7,
82 0x00d8, 0x00d9, 0x00da, 0x00db, 0x00dc, 0x00dd, 0x00de, 0x00df,
83 0x00e0, 0x00e1, 0x00e2, 0x00e3, 0x00e4, 0x00e5, 0x00e6, 0x00e7,
84 0x00e8, 0x00e9, 0x00ea, 0x00eb, 0x00ec, 0x00ed, 0x00ee, 0x00ef,
85 0x00f0, 0x00f1, 0x00f2, 0x00f3, 0x00f4, 0x00f5, 0x00f6, 0x00f7,
86 0x00f8, 0x00f9, 0x00fa, 0x00fb, 0x00fc, 0x00fd, 0x00fe, 0x00ff
87 },
88
89 {
90 0x0000, 0x263a, 0x263b, 0x2665, 0x2666, 0x2663, 0x2660, 0x2022,
91 0x25d8, 0x25cb, 0x25d9, 0x2642, 0x2640, 0x266a, 0x266b, 0x263c,
92 0x25ba, 0x25c4, 0x2195, 0x203c, 0x00b6, 0x00a7, 0x25ac, 0x21a8,
93 0x2191, 0x2193, 0x2192, 0x2190, 0x221f, 0x2194, 0x25b2, 0x25bc,
94 0x0020, 0x0021, 0x0022, 0x0023, 0x0024, 0x0025, 0x0026, 0x0027,
95 0x0028, 0x0029, 0x002a, 0x002b, 0x002c, 0x002d, 0x002e, 0x002f,
96 0x0030, 0x0031, 0x0032, 0x0033, 0x0034, 0x0035, 0x0036, 0x0037,
97 0x0038, 0x0039, 0x003a, 0x003b, 0x003c, 0x003d, 0x003e, 0x003f,
98 0x0040, 0x0041, 0x0042, 0x0043, 0x0044, 0x0045, 0x0046, 0x0047,
99 0x0048, 0x0049, 0x004a, 0x004b, 0x004c, 0x004d, 0x004e, 0x004f,
100 0x0050, 0x0051, 0x0052, 0x0053, 0x0054, 0x0055, 0x0056, 0x0057,
101 0x0058, 0x0059, 0x005a, 0x005b, 0x005c, 0x005d, 0x005e, 0x005f,
102 0x0060, 0x0061, 0x0062, 0x0063, 0x0064, 0x0065, 0x0066, 0x0067,
103 0x0068, 0x0069, 0x006a, 0x006b, 0x006c, 0x006d, 0x006e, 0x006f,
104 0x0070, 0x0071, 0x0072, 0x0073, 0x0074, 0x0075, 0x0076, 0x0077,
105 0x0078, 0x0079, 0x007a, 0x007b, 0x007c, 0x007d, 0x007e, 0x2302,
106 0x00c7, 0x00fc, 0x00e9, 0x00e2, 0x00e4, 0x00e0, 0x00e5, 0x00e7,
107 0x00ea, 0x00eb, 0x00e8, 0x00ef, 0x00ee, 0x00ec, 0x00c4, 0x00c5,
108 0x00c9, 0x00e6, 0x00c6, 0x00f4, 0x00f6, 0x00f2, 0x00fb, 0x00f9,
109 0x00ff, 0x00d6, 0x00dc, 0x00a2, 0x00a3, 0x00a5, 0x20a7, 0x0192,
110 0x00e1, 0x00ed, 0x00f3, 0x00fa, 0x00f1, 0x00d1, 0x00aa, 0x00ba,
111 0x00bf, 0x2310, 0x00ac, 0x00bd, 0x00bc, 0x00a1, 0x00ab, 0x00bb,
112 0x2591, 0x2592, 0x2593, 0x2502, 0x2524, 0x2561, 0x2562, 0x2556,
113 0x2555, 0x2563, 0x2551, 0x2557, 0x255d, 0x255c, 0x255b, 0x2510,
114 0x2514, 0x2534, 0x252c, 0x251c, 0x2500, 0x253c, 0x255e, 0x255f,
115 0x255a, 0x2554, 0x2569, 0x2566, 0x2560, 0x2550, 0x256c, 0x2567,
116 0x2568, 0x2564, 0x2565, 0x2559, 0x2558, 0x2552, 0x2553, 0x256b,
117 0x256a, 0x2518, 0x250c, 0x2588, 0x2584, 0x258c, 0x2590, 0x2580,
118 0x03b1, 0x00df, 0x0393, 0x03c0, 0x03a3, 0x03c3, 0x00b5, 0x03c4,
119 0x03a6, 0x0398, 0x03a9, 0x03b4, 0x221e, 0x03c6, 0x03b5, 0x2229,
120 0x2261, 0x00b1, 0x2265, 0x2264, 0x2320, 0x2321, 0x00f7, 0x2248,
121 0x00b0, 0x2219, 0x00b7, 0x221a, 0x207f, 0x00b2, 0x25a0, 0x00a0
122 },
123
124 {
125 0xf000, 0xf001, 0xf002, 0xf003, 0xf004, 0xf005, 0xf006, 0xf007,
126 0xf008, 0xf009, 0xf00a, 0xf00b, 0xf00c, 0xf00d, 0xf00e, 0xf00f,
127 0xf010, 0xf011, 0xf012, 0xf013, 0xf014, 0xf015, 0xf016, 0xf017,
128 0xf018, 0xf019, 0xf01a, 0xf01b, 0xf01c, 0xf01d, 0xf01e, 0xf01f,
129 0xf020, 0xf021, 0xf022, 0xf023, 0xf024, 0xf025, 0xf026, 0xf027,
130 0xf028, 0xf029, 0xf02a, 0xf02b, 0xf02c, 0xf02d, 0xf02e, 0xf02f,
131 0xf030, 0xf031, 0xf032, 0xf033, 0xf034, 0xf035, 0xf036, 0xf037,
132 0xf038, 0xf039, 0xf03a, 0xf03b, 0xf03c, 0xf03d, 0xf03e, 0xf03f,
133 0xf040, 0xf041, 0xf042, 0xf043, 0xf044, 0xf045, 0xf046, 0xf047,
134 0xf048, 0xf049, 0xf04a, 0xf04b, 0xf04c, 0xf04d, 0xf04e, 0xf04f,
135 0xf050, 0xf051, 0xf052, 0xf053, 0xf054, 0xf055, 0xf056, 0xf057,
136 0xf058, 0xf059, 0xf05a, 0xf05b, 0xf05c, 0xf05d, 0xf05e, 0xf05f,
137 0xf060, 0xf061, 0xf062, 0xf063, 0xf064, 0xf065, 0xf066, 0xf067,
138 0xf068, 0xf069, 0xf06a, 0xf06b, 0xf06c, 0xf06d, 0xf06e, 0xf06f,
139 0xf070, 0xf071, 0xf072, 0xf073, 0xf074, 0xf075, 0xf076, 0xf077,
140 0xf078, 0xf079, 0xf07a, 0xf07b, 0xf07c, 0xf07d, 0xf07e, 0xf07f,
141 0xf080, 0xf081, 0xf082, 0xf083, 0xf084, 0xf085, 0xf086, 0xf087,
142 0xf088, 0xf089, 0xf08a, 0xf08b, 0xf08c, 0xf08d, 0xf08e, 0xf08f,
143 0xf090, 0xf091, 0xf092, 0xf093, 0xf094, 0xf095, 0xf096, 0xf097,
144 0xf098, 0xf099, 0xf09a, 0xf09b, 0xf09c, 0xf09d, 0xf09e, 0xf09f,
145 0xf0a0, 0xf0a1, 0xf0a2, 0xf0a3, 0xf0a4, 0xf0a5, 0xf0a6, 0xf0a7,
146 0xf0a8, 0xf0a9, 0xf0aa, 0xf0ab, 0xf0ac, 0xf0ad, 0xf0ae, 0xf0af,
147 0xf0b0, 0xf0b1, 0xf0b2, 0xf0b3, 0xf0b4, 0xf0b5, 0xf0b6, 0xf0b7,
148 0xf0b8, 0xf0b9, 0xf0ba, 0xf0bb, 0xf0bc, 0xf0bd, 0xf0be, 0xf0bf,
149 0xf0c0, 0xf0c1, 0xf0c2, 0xf0c3, 0xf0c4, 0xf0c5, 0xf0c6, 0xf0c7,
150 0xf0c8, 0xf0c9, 0xf0ca, 0xf0cb, 0xf0cc, 0xf0cd, 0xf0ce, 0xf0cf,
151 0xf0d0, 0xf0d1, 0xf0d2, 0xf0d3, 0xf0d4, 0xf0d5, 0xf0d6, 0xf0d7,
152 0xf0d8, 0xf0d9, 0xf0da, 0xf0db, 0xf0dc, 0xf0dd, 0xf0de, 0xf0df,
153 0xf0e0, 0xf0e1, 0xf0e2, 0xf0e3, 0xf0e4, 0xf0e5, 0xf0e6, 0xf0e7,
154 0xf0e8, 0xf0e9, 0xf0ea, 0xf0eb, 0xf0ec, 0xf0ed, 0xf0ee, 0xf0ef,
155 0xf0f0, 0xf0f1, 0xf0f2, 0xf0f3, 0xf0f4, 0xf0f5, 0xf0f6, 0xf0f7,
156 0xf0f8, 0xf0f9, 0xf0fa, 0xf0fb, 0xf0fc, 0xf0fd, 0xf0fe, 0xf0ff
157 }
158 };
159
160
161 static unsigned char * inv_translate = NULL;
162 static unsigned char inv_norm_transl[E_TABSZ];
163 static unsigned char * inverse_translations[4] = { NULL, NULL, NULL, NULL };
164
165 static void set_inverse_transl(int i)
166 {
167 int j, glyph;
168 unsigned short *p = translations[i];
169 unsigned char *q = inverse_translations[i];
170
171 if (!q) {
172
173 q = inverse_translations[i] = ((i == LAT1_MAP)
174 ? inv_norm_transl
175 : (unsigned char *) kmalloc(E_TABSZ, GFP_KERNEL));
176 if (!q)
177 return;
178 }
179 for (j=0; j<E_TABSZ; j++)
180 q[j] = 0;
181 for (j=0; j<E_TABSZ; j++)
182 if (q[glyph = conv_uni_to_pc(p[j])] < 32)
183
184 q[glyph] = j;
185 }
186
187 unsigned short *set_translate(int m)
188 {
189 if (!inverse_translations[m])
190 set_inverse_transl(m);
191 inv_translate = inverse_translations[m];
192 return translations[m];
193 }
194
195
196
197
198
199
200
201
202 unsigned char inverse_translate(unsigned char c) {
203 return ((inv_translate && inv_translate[c]) ? inv_translate[c] : c);
204 }
205
206
207
208
209
210
211
212
213
214 int con_set_trans_old(unsigned char * arg)
215 {
216 int i;
217 unsigned short *p = translations[USER_MAP];
218
219 i = verify_area(VERIFY_READ, (void *)arg, E_TABSZ);
220 if (i)
221 return i;
222
223 for (i=0; i<E_TABSZ ; i++)
224 p[i] = UNI_DIRECT_BASE | get_user(arg+i);
225
226 set_inverse_transl(USER_MAP);
227 return 0;
228 }
229
230 int con_get_trans_old(unsigned char * arg)
231 {
232 int i, ch;
233 unsigned short *p = translations[USER_MAP];
234
235 i = verify_area(VERIFY_WRITE, (void *)arg, E_TABSZ);
236 if (i)
237 return i;
238
239 for (i=0; i<E_TABSZ ; i++)
240 {
241 ch = conv_uni_to_pc(p[i]);
242 put_user((ch & ~0xff) ? 0 : ch, arg+i);
243 }
244 return 0;
245 }
246 int con_set_trans_new(ushort * arg)
247 {
248 int i;
249 unsigned short *p = translations[USER_MAP];
250
251 i = verify_area(VERIFY_READ, (void *)arg,
252 E_TABSZ*sizeof(unsigned short));
253 if (i)
254 return i;
255
256 for (i=0; i<E_TABSZ ; i++)
257 p[i] = get_user(arg+i);
258
259 set_inverse_transl(USER_MAP);
260 return 0;
261 }
262
263 int con_get_trans_new(ushort * arg)
264 {
265 int i;
266 unsigned short *p = translations[USER_MAP];
267
268 i = verify_area(VERIFY_WRITE, (void *)arg,
269 E_TABSZ*sizeof(unsigned short));
270 if (i)
271 return i;
272
273 for (i=0; i<E_TABSZ ; i++)
274 put_user(p[i], arg+i);
275
276 return 0;
277 }
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297 #include "uni_hash_tbl.h"
298
299 int hashtable_contents_valid = 1;
300
301 void
302 con_clear_unimap(struct unimapinit *ui) {
303 int i;
304
305
306 hashsize = ui->advised_hashsize;
307 if (hashsize < 256 || hashsize > HASHSIZE)
308 hashsize = HASHSIZE;
309 hashstep = (ui->advised_hashstep % hashsize);
310 if (hashstep < 64)
311 hashstep = HASHSTEP;
312 maxhashlevel = ui->advised_hashlevel;
313 if (!maxhashlevel)
314 maxhashlevel = MAXHASHLEVEL;
315 if (maxhashlevel > hashsize)
316 maxhashlevel = hashsize;
317
318
319 hashlevel = 0;
320 for (i=0; i<hashsize; i++)
321 hashtable[i].unicode = 0xffff;
322 hashtable_contents_valid = 1;
323 }
324
325 int
326 con_set_unimap(ushort ct, struct unipair *list){
327 int i, lct;
328 ushort u, hu;
329 struct unimapinit hashdefaults = { 0, 0, 0 };
330
331 if (!hashtable_contents_valid)
332 con_clear_unimap(&hashdefaults);
333 while(ct) {
334 u = get_user(&list->unicode);
335 i = u % hashsize;
336 lct = 1;
337 while ((hu = hashtable[i].unicode) != 0xffff && hu != u) {
338 if (lct++ >= maxhashlevel)
339 return -ENOMEM;
340 i += hashstep;
341 if (i >= hashsize)
342 i -= hashsize;
343 }
344 if (lct > hashlevel)
345 hashlevel = lct;
346 hashtable[i].unicode = u;
347 hashtable[i].fontpos = get_user(&list->fontpos);
348 list++;
349 ct--;
350 }
351
352 for ( i = 0 ; i <= 3 ; i++ )
353 set_inverse_transl(i);
354
355 return 0;
356 }
357
358 int
359 con_get_unimap(ushort ct, ushort *uct, struct unipair *list){
360 int i, ect;
361
362 ect = 0;
363 if (hashtable_contents_valid)
364 for (i = 0; i<hashsize; i++)
365 if (hashtable[i].unicode != 0xffff) {
366 if (ect++ < ct) {
367 put_user(hashtable[i].unicode, &list->unicode);
368 put_user(hashtable[i].fontpos, &list->fontpos);
369 list++;
370 }
371 }
372 put_user(ect, uct);
373 return ((ect <= ct) ? 0 : -ENOMEM);
374 }
375
376 int
377 conv_uni_to_pc(long ucs) {
378 int i, h;
379
380
381 if (ucs > 0xffff)
382 ucs = 0xfffd;
383 else if (ucs < 0x20 || ucs >= 0xfffe)
384 return -1;
385 else if (ucs == 0xfeff || (ucs >= 0x200a && ucs <= 0x200f))
386 return -2;
387
388
389
390
391
392 else if ( (ucs & ~UNI_DIRECT_MASK) == UNI_DIRECT_BASE )
393 return ucs & UNI_DIRECT_MASK;
394
395 if (!hashtable_contents_valid)
396 return -3;
397
398 h = ucs % hashsize;
399 for (i = 0; i < hashlevel; i++) {
400 if (hashtable[h].unicode == ucs)
401 return hashtable[h].fontpos;
402 if ((h += hashstep) >= hashsize)
403 h -= hashsize;
404 }
405
406 return -4;
407 }