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1 | /* |
1 | /* |
2 | * Copyright (C) 2006 Ondrej Palkovsky |
2 | * Copyright (C) 2006 Ondrej Palkovsky |
3 | * All rights reserved. |
3 | * All rights reserved. |
4 | * |
4 | * |
5 | * Redistribution and use in source and binary forms, with or without |
5 | * Redistribution and use in source and binary forms, with or without |
6 | * modification, are permitted provided that the following conditions |
6 | * modification, are permitted provided that the following conditions |
7 | * are met: |
7 | * are met: |
8 | * |
8 | * |
9 | * - Redistributions of source code must retain the above copyright |
9 | * - Redistributions of source code must retain the above copyright |
10 | * notice, this list of conditions and the following disclaimer. |
10 | * notice, this list of conditions and the following disclaimer. |
11 | * - Redistributions in binary form must reproduce the above copyright |
11 | * - Redistributions in binary form must reproduce the above copyright |
12 | * notice, this list of conditions and the following disclaimer in the |
12 | * notice, this list of conditions and the following disclaimer in the |
13 | * documentation and/or other materials provided with the distribution. |
13 | * documentation and/or other materials provided with the distribution. |
14 | * - The name of the author may not be used to endorse or promote products |
14 | * - The name of the author may not be used to endorse or promote products |
15 | * derived from this software without specific prior written permission. |
15 | * derived from this software without specific prior written permission. |
16 | * |
16 | * |
17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
18 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
18 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
19 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
19 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
20 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
20 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
21 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
21 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
22 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
22 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
23 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
23 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
24 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
24 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
25 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
25 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
26 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
26 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
27 | */ |
27 | */ |
28 | - | ||
- | 28 | #include <stdlib.h> |
|
- | 29 | #include <unistd.h> |
|
29 | #include <align.h> |
30 | #include <align.h> |
30 | #include <async.h> |
31 | #include <async.h> |
31 | #include <ipc/ipc.h> |
32 | #include <ipc/ipc.h> |
32 | #include <errno.h> |
33 | #include <errno.h> |
33 | #include <stdio.h> |
34 | #include <stdio.h> |
34 | #include <ddi.h> |
35 | #include <ddi.h> |
35 | #include <sysinfo.h> |
36 | #include <sysinfo.h> |
36 | #include <as.h> |
37 | #include <as.h> |
37 | #include <ipc/fb.h> |
38 | #include <ipc/fb.h> |
38 | #include <ipc/ipc.h> |
39 | #include <ipc/ipc.h> |
39 | #include <ipc/ns.h> |
40 | #include <ipc/ns.h> |
40 | #include <ipc/services.h> |
41 | #include <ipc/services.h> |
41 | 42 | ||
42 | #include "ega.h" |
43 | #include "ega.h" |
43 | #include "../console/screenbuffer.h" |
44 | #include "../console/screenbuffer.h" |
44 | #include "main.h" |
45 | #include "main.h" |
45 | 46 | ||
- | 47 | #define MAX_SAVED_SCREENS 256 |
|
- | 48 | typedef struct saved_screen { |
|
- | 49 | short *data; |
|
- | 50 | } saved_screen; |
|
- | 51 | ||
- | 52 | saved_screen saved_screens[MAX_SAVED_SCREENS]; |
|
- | 53 | ||
46 | 54 | ||
47 | #define EGA_IO_ADDRESS 0x3d4 |
55 | #define EGA_IO_ADDRESS 0x3d4 |
48 | #define EGA_IO_SIZE 2 |
56 | #define EGA_IO_SIZE 2 |
49 | 57 | ||
50 | typedef unsigned char u8; |
58 | typedef unsigned char u8; |
51 | typedef unsigned short u16; |
59 | typedef unsigned short u16; |
52 | typedef unsigned int u32; |
60 | typedef unsigned int u32; |
53 | 61 | ||
54 | 62 | ||
55 | /* Allow only 1 connection */ |
63 | /* Allow only 1 connection */ |
56 | static int client_connected = 0; |
64 | static int client_connected = 0; |
57 | 65 | ||
58 | static unsigned int scr_width; |
66 | static unsigned int scr_width; |
59 | static unsigned int scr_height; |
67 | static unsigned int scr_height; |
60 | static char *scr_addr; |
68 | static char *scr_addr; |
61 | 69 | ||
62 | static unsigned int style = 0x0f; |
70 | static unsigned int style = 0x1e; |
63 | 71 | ||
64 | static inline void outb(u16 port, u8 b) |
72 | static inline void outb(u16 port, u8 b) |
65 | { |
73 | { |
66 | asm volatile ("outb %0, %1\n" :: "a" (b), "d" (port)); |
74 | asm volatile ("outb %0, %1\n" :: "a" (b), "d" (port)); |
67 | } |
75 | } |
68 | 76 | ||
69 | static inline void outw(u16 port, u16 w) |
77 | static inline void outw(u16 port, u16 w) |
70 | { |
78 | { |
71 | asm volatile ("outw %0, %1\n" :: "a" (w), "d" (port)); |
79 | asm volatile ("outw %0, %1\n" :: "a" (w), "d" (port)); |
72 | } |
80 | } |
73 | 81 | ||
74 | static inline void outl(u16 port, u32 l) |
82 | static inline void outl(u16 port, u32 l) |
75 | { |
83 | { |
76 | asm volatile ("outl %0, %1\n" :: "a" (l), "d" (port)); |
84 | asm volatile ("outl %0, %1\n" :: "a" (l), "d" (port)); |
77 | } |
85 | } |
78 | 86 | ||
79 | static inline u8 inb(u16 port) |
87 | static inline u8 inb(u16 port) |
80 | { |
88 | { |
81 | u8 val; |
89 | u8 val; |
82 | 90 | ||
83 | asm volatile ("inb %1, %0 \n" : "=a" (val) : "d"(port)); |
91 | asm volatile ("inb %1, %0 \n" : "=a" (val) : "d"(port)); |
84 | return val; |
92 | return val; |
85 | } |
93 | } |
86 | 94 | ||
87 | static inline u16 inw(u16 port) |
95 | static inline u16 inw(u16 port) |
88 | { |
96 | { |
89 | u16 val; |
97 | u16 val; |
90 | 98 | ||
91 | asm volatile ("inw %1, %0 \n" : "=a" (val) : "d"(port)); |
99 | asm volatile ("inw %1, %0 \n" : "=a" (val) : "d"(port)); |
92 | return val; |
100 | return val; |
93 | } |
101 | } |
94 | 102 | ||
95 | static inline u32 inl(u16 port) |
103 | static inline u32 inl(u16 port) |
96 | { |
104 | { |
97 | u32 val; |
105 | u32 val; |
98 | 106 | ||
99 | asm volatile ("inl %1, %0 \n" : "=a" (val) : "d"(port)); |
107 | asm volatile ("inl %1, %0 \n" : "=a" (val) : "d"(port)); |
100 | return val; |
108 | return val; |
101 | } |
109 | } |
102 | 110 | ||
103 | 111 | ||
104 | 112 | ||
105 | 113 | ||
106 | static void clrscr(void) |
114 | static void clrscr(void) |
107 | { |
115 | { |
108 | int i; |
116 | int i; |
109 | 117 | ||
110 | for (i=0; i < scr_width*scr_height; i++) { |
118 | for (i=0; i < scr_width*scr_height; i++) { |
111 | scr_addr[i*2] = ' '; |
119 | scr_addr[i*2] = ' '; |
112 | scr_addr[i*2+1] = style; |
120 | scr_addr[i*2+1] = style; |
113 | } |
121 | } |
114 | } |
122 | } |
115 | 123 | ||
116 | void cursor_goto(unsigned int row, unsigned int col) |
124 | static void cursor_goto(unsigned int row, unsigned int col) |
117 | { |
125 | { |
118 | int ega_cursor; |
126 | int ega_cursor; |
119 | 127 | ||
120 | ega_cursor=col+scr_width*row; |
128 | ega_cursor=col+scr_width*row; |
121 | 129 | ||
122 | outb(EGA_IO_ADDRESS , 0xe); |
130 | outb(EGA_IO_ADDRESS , 0xe); |
123 | outb(EGA_IO_ADDRESS + 1, (ega_cursor >>8) & 0xff); |
131 | outb(EGA_IO_ADDRESS + 1, (ega_cursor >>8) & 0xff); |
124 | outb(EGA_IO_ADDRESS , 0xf); |
132 | outb(EGA_IO_ADDRESS , 0xf); |
125 | outb(EGA_IO_ADDRESS + 1, ega_cursor & 0xff); |
133 | outb(EGA_IO_ADDRESS + 1, ega_cursor & 0xff); |
126 | } |
134 | } |
127 | 135 | ||
128 | void cursor_disable(void) |
136 | static void cursor_disable(void) |
129 | { |
137 | { |
130 | u8 stat; |
138 | u8 stat; |
131 | outb(EGA_IO_ADDRESS , 0xa); |
139 | outb(EGA_IO_ADDRESS , 0xa); |
132 | stat=inb(EGA_IO_ADDRESS + 1); |
140 | stat=inb(EGA_IO_ADDRESS + 1); |
133 | outb(EGA_IO_ADDRESS , 0xa); |
141 | outb(EGA_IO_ADDRESS , 0xa); |
134 | outb(EGA_IO_ADDRESS +1 ,stat | (1<<5) ); |
142 | outb(EGA_IO_ADDRESS +1 ,stat | (1<<5) ); |
135 | } |
143 | } |
136 | 144 | ||
137 | void cursor_enable(void) |
145 | static void cursor_enable(void) |
138 | { |
146 | { |
139 | u8 stat; |
147 | u8 stat; |
140 | outb(EGA_IO_ADDRESS , 0xa); |
148 | outb(EGA_IO_ADDRESS , 0xa); |
141 | stat=inb(EGA_IO_ADDRESS + 1); |
149 | stat=inb(EGA_IO_ADDRESS + 1); |
142 | outb(EGA_IO_ADDRESS , 0xa); |
150 | outb(EGA_IO_ADDRESS , 0xa); |
143 | outb(EGA_IO_ADDRESS +1 ,stat & (~(1<<5)) ); |
151 | outb(EGA_IO_ADDRESS +1 ,stat & (~(1<<5)) ); |
144 | } |
152 | } |
145 | 153 | ||
- | 154 | static void scroll(int rows) |
|
- | 155 | { |
|
- | 156 | int i; |
|
- | 157 | if (rows > 0) { |
|
- | 158 | memcpy(scr_addr,((char *)scr_addr)+rows*scr_width*2,scr_width*scr_height*2-rows*scr_width*2); |
|
- | 159 | for(i=0;i<rows*scr_width;i++) |
|
- | 160 | (((short *)scr_addr)+scr_width*scr_height-rows*scr_width)[i]=((style<<8)+' '); |
|
- | 161 | } else if (rows < 0) { |
|
- | 162 | ||
- | 163 | memcpy(((char *)scr_addr)-rows*scr_width*2,scr_addr,scr_width*scr_height*2+rows*scr_width*2); |
|
- | 164 | for(i=0;i<-rows*scr_width;i++) |
|
- | 165 | ((short *)scr_addr)[i]=((style<<8)+' '); |
|
- | 166 | } |
|
- | 167 | } |
|
- | 168 | ||
146 | static void printchar(char c, unsigned int row, unsigned int col) |
169 | static void printchar(char c, unsigned int row, unsigned int col) |
147 | { |
170 | { |
148 | scr_addr[(row*scr_width + col)*2] = c; |
171 | scr_addr[(row*scr_width + col)*2] = c; |
149 | scr_addr[(row*scr_width + col)*2+1] = style; |
172 | scr_addr[(row*scr_width + col)*2+1] = style; |
150 | 173 | ||
151 | cursor_goto(row,col+1); |
174 | cursor_goto(row,col+1); |
152 | } |
175 | } |
153 | 176 | ||
154 | static void draw_text_data(keyfield_t *data) |
177 | static void draw_text_data(keyfield_t *data) |
155 | { |
178 | { |
156 | int i; |
179 | int i; |
157 | 180 | ||
158 | for (i=0; i < scr_width*scr_height; i++) { |
181 | for (i=0; i < scr_width*scr_height; i++) { |
159 | scr_addr[i*2] = data[i].character; |
182 | scr_addr[i*2] = data[i].character; |
160 | if (data[i].style.fg_color > data[i].style.bg_color) |
183 | if (data[i].style.fg_color > data[i].style.bg_color) |
161 | scr_addr[i*2+1] = 0x0f; |
184 | scr_addr[i*2+1] = 0x1e; |
162 | else |
185 | else |
163 | scr_addr[i*2+1] = 0xf0; |
186 | scr_addr[i*2+1] = 0xe1; |
164 | } |
187 | } |
165 | } |
188 | } |
166 | 189 | ||
- | 190 | static int save_screen(void) |
|
- | 191 | { |
|
- | 192 | int i; |
|
- | 193 | short *mem; |
|
- | 194 | for(i=0;(i<MAX_SAVED_SCREENS)&&(saved_screens[i].data);i++); |
|
- | 195 | if(i==MAX_SAVED_SCREENS) return EINVAL; |
|
- | 196 | if(!(saved_screens[i].data=malloc(2*scr_width*scr_height))) return ENOMEM; |
|
- | 197 | memcpy(saved_screens[i].data,scr_addr,2*scr_width*scr_height); |
|
- | 198 | return i; |
|
- | 199 | } |
|
- | 200 | ||
- | 201 | static int print_screen(int i) |
|
- | 202 | { |
|
- | 203 | if(saved_screens[i].data) |
|
- | 204 | memcpy(scr_addr,saved_screens[i].data,2*scr_width*scr_height); |
|
- | 205 | else return EINVAL; |
|
- | 206 | return i; |
|
- | 207 | } |
|
- | 208 | ||
- | 209 | ||
167 | static void ega_client_connection(ipc_callid_t iid, ipc_call_t *icall) |
210 | static void ega_client_connection(ipc_callid_t iid, ipc_call_t *icall) |
168 | { |
211 | { |
169 | int retval; |
212 | int retval; |
170 | ipc_callid_t callid; |
213 | ipc_callid_t callid; |
171 | ipc_call_t call; |
214 | ipc_call_t call; |
172 | char c; |
215 | char c; |
173 | unsigned int row, col; |
216 | unsigned int row, col; |
174 | int bgcolor,fgcolor; |
217 | int bgcolor,fgcolor; |
175 | keyfield_t *interbuf = NULL; |
218 | keyfield_t *interbuf = NULL; |
176 | size_t intersize = 0; |
219 | size_t intersize = 0; |
- | 220 | int i; |
|
177 | 221 | ||
178 | if (client_connected) { |
222 | if (client_connected) { |
179 | ipc_answer_fast(iid, ELIMIT, 0,0); |
223 | ipc_answer_fast(iid, ELIMIT, 0,0); |
180 | return; |
224 | return; |
181 | } |
225 | } |
182 | client_connected = 1; |
226 | client_connected = 1; |
183 | ipc_answer_fast(iid, 0, 0, 0); /* Accept connection */ |
227 | ipc_answer_fast(iid, 0, 0, 0); /* Accept connection */ |
184 | 228 | ||
185 | while (1) { |
229 | while (1) { |
186 | callid = async_get_call(&call); |
230 | callid = async_get_call(&call); |
187 | switch (IPC_GET_METHOD(call)) { |
231 | switch (IPC_GET_METHOD(call)) { |
188 | case IPC_M_PHONE_HUNGUP: |
232 | case IPC_M_PHONE_HUNGUP: |
189 | client_connected = 0; |
233 | client_connected = 0; |
190 | ipc_answer_fast(callid,0,0,0); |
234 | ipc_answer_fast(callid,0,0,0); |
191 | return; /* Exit thread */ |
235 | return; /* Exit thread */ |
192 | case IPC_M_AS_AREA_SEND: |
236 | case IPC_M_AS_AREA_SEND: |
193 | /* We accept one area for data interchange */ |
237 | /* We accept one area for data interchange */ |
194 | intersize = IPC_GET_ARG2(call); |
238 | intersize = IPC_GET_ARG2(call); |
195 | if (intersize >= scr_width*scr_height*sizeof(*interbuf)) { |
239 | if (intersize >= scr_width*scr_height*sizeof(*interbuf)) { |
196 | receive_comm_area(callid,&call,(void **)&interbuf); |
240 | receive_comm_area(callid,&call,(void **)&interbuf); |
197 | continue; |
241 | continue; |
198 | } |
242 | } |
199 | retval = EINVAL; |
243 | retval = EINVAL; |
200 | break; |
244 | break; |
201 | case FB_DRAW_TEXT_DATA: |
245 | case FB_DRAW_TEXT_DATA: |
202 | if (!interbuf) { |
246 | if (!interbuf) { |
203 | retval = EINVAL; |
247 | retval = EINVAL; |
204 | break; |
248 | break; |
205 | } |
249 | } |
206 | draw_text_data(interbuf); |
250 | draw_text_data(interbuf); |
207 | retval = 0; |
251 | retval = 0; |
208 | break; |
252 | break; |
209 | case FB_GET_CSIZE: |
253 | case FB_GET_CSIZE: |
210 | ipc_answer_fast(callid, 0, scr_height, scr_width); |
254 | ipc_answer_fast(callid, 0, scr_height, scr_width); |
211 | continue; |
255 | continue; |
212 | case FB_CLEAR: |
256 | case FB_CLEAR: |
213 | clrscr(); |
257 | clrscr(); |
214 | retval = 0; |
258 | retval = 0; |
215 | break; |
259 | break; |
216 | case FB_PUTCHAR: |
260 | case FB_PUTCHAR: |
217 | c = IPC_GET_ARG1(call); |
261 | c = IPC_GET_ARG1(call); |
218 | row = IPC_GET_ARG2(call); |
262 | row = IPC_GET_ARG2(call); |
219 | col = IPC_GET_ARG3(call); |
263 | col = IPC_GET_ARG3(call); |
220 | if (col >= scr_width || row >= scr_height) { |
264 | if (col >= scr_width || row >= scr_height) { |
221 | retval = EINVAL; |
265 | retval = EINVAL; |
222 | break; |
266 | break; |
223 | } |
267 | } |
224 | printchar(c,row,col); |
268 | printchar(c,row,col); |
225 | retval = 0; |
269 | retval = 0; |
226 | break; |
270 | break; |
227 | case FB_CURSOR_GOTO: |
271 | case FB_CURSOR_GOTO: |
228 | row = IPC_GET_ARG1(call); |
272 | row = IPC_GET_ARG1(call); |
229 | col = IPC_GET_ARG2(call); |
273 | col = IPC_GET_ARG2(call); |
230 | if (row >= scr_height || col >= scr_width) { |
274 | if (row >= scr_height || col >= scr_width) { |
231 | retval = EINVAL; |
275 | retval = EINVAL; |
232 | break; |
276 | break; |
233 | } |
277 | } |
234 | cursor_goto(row,col); |
278 | cursor_goto(row,col); |
235 | retval = 0; |
279 | retval = 0; |
236 | break; |
280 | break; |
- | 281 | case FB_SCROLL: |
|
- | 282 | i = IPC_GET_ARG1(call); |
|
- | 283 | if (i > scr_height || i < (- (int)scr_height)) { |
|
- | 284 | retval = EINVAL; |
|
- | 285 | break; |
|
- | 286 | } |
|
- | 287 | scroll(i); |
|
- | 288 | retval = 0; |
|
- | 289 | break; |
|
237 | case FB_CURSOR_VISIBILITY: |
290 | case FB_CURSOR_VISIBILITY: |
238 | if(IPC_GET_ARG1(call)) |
291 | if(IPC_GET_ARG1(call)) |
239 | cursor_enable(); |
292 | cursor_enable(); |
240 | else |
293 | else |
241 | cursor_disable(); |
294 | cursor_disable(); |
242 | retval = 0; |
295 | retval = 0; |
243 | break; |
296 | break; |
244 | case FB_SET_STYLE: |
297 | case FB_SET_STYLE: |
245 | fgcolor = IPC_GET_ARG1(call); |
298 | fgcolor = IPC_GET_ARG1(call); |
246 | bgcolor = IPC_GET_ARG2(call); |
299 | bgcolor = IPC_GET_ARG2(call); |
247 | if (fgcolor > bgcolor) |
300 | if (fgcolor > bgcolor) |
248 | style = 0x0f; |
301 | style = 0x1e; |
249 | else |
302 | else |
250 | style = 0xf0; |
303 | style = 0xe1; |
- | 304 | ||
- | 305 | case FB_VP_DRAW_PIXMAP: |
|
- | 306 | i = IPC_GET_ARG2(call); |
|
- | 307 | retval = print_screen(i); |
|
- | 308 | break; |
|
- | 309 | case FB_VP2PIXMAP: |
|
- | 310 | retval = save_screen(); |
|
- | 311 | break; |
|
- | 312 | case FB_DROP_PIXMAP: |
|
- | 313 | i = IPC_GET_ARG1(call); |
|
- | 314 | if (i >= MAX_SAVED_SCREENS) { |
|
- | 315 | retval = EINVAL; |
|
- | 316 | break; |
|
- | 317 | } |
|
- | 318 | if (saved_screens[i].data) { |
|
- | 319 | free(saved_screens[i].data); |
|
- | 320 | saved_screens[i].data = NULL; |
|
- | 321 | } |
|
- | 322 | break; |
|
- | 323 | ||
251 | default: |
324 | default: |
252 | retval = ENOENT; |
325 | retval = ENOENT; |
253 | } |
326 | } |
254 | ipc_answer_fast(callid,retval,0,0); |
327 | ipc_answer_fast(callid,retval,0,0); |
255 | } |
328 | } |
256 | } |
329 | } |
257 | 330 | ||
258 | int ega_init(void) |
331 | int ega_init(void) |
259 | { |
332 | { |
260 | void *ega_ph_addr; |
333 | void *ega_ph_addr; |
261 | size_t sz; |
334 | size_t sz; |
262 | 335 | ||
263 | 336 | ||
264 | ega_ph_addr=(void *)sysinfo_value("fb.address.physical"); |
337 | ega_ph_addr=(void *)sysinfo_value("fb.address.physical"); |
265 | scr_width=sysinfo_value("fb.width"); |
338 | scr_width=sysinfo_value("fb.width"); |
266 | scr_height=sysinfo_value("fb.height"); |
339 | scr_height=sysinfo_value("fb.height"); |
267 | iospace_enable(task_get_id(),(void *)EGA_IO_ADDRESS,2); |
340 | iospace_enable(task_get_id(),(void *)EGA_IO_ADDRESS,2); |
268 | 341 | ||
269 | sz = scr_width*scr_height*2; |
342 | sz = scr_width*scr_height*2; |
270 | scr_addr = as_get_mappable_page(sz); |
343 | scr_addr = as_get_mappable_page(sz); |
271 | 344 | ||
272 | map_physmem(ega_ph_addr, scr_addr, ALIGN_UP(sz,PAGE_SIZE)>>PAGE_WIDTH, |
345 | map_physmem(ega_ph_addr, scr_addr, ALIGN_UP(sz,PAGE_SIZE)>>PAGE_WIDTH, |
273 | AS_AREA_READ | AS_AREA_WRITE); |
346 | AS_AREA_READ | AS_AREA_WRITE); |
274 | 347 | ||
275 | async_set_client_connection(ega_client_connection); |
348 | async_set_client_connection(ega_client_connection); |
276 | 349 | ||
277 | clrscr(); |
- | |
278 | - | ||
279 | return 0; |
350 | return 0; |
280 | } |
351 | } |
281 | 352 | ||
282 | 353 |