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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 | ||
29 | /** @defgroup egafb EGA framebuffer |
29 | /** @defgroup egafb EGA framebuffer |
30 | * @brief HelenOS EGA framebuffer. |
30 | * @brief HelenOS EGA framebuffer. |
31 | * @ingroup fbs |
31 | * @ingroup fbs |
32 | * @{ |
32 | * @{ |
33 | */ |
33 | */ |
34 | /** @file |
34 | /** @file |
35 | */ |
35 | */ |
36 | 36 | ||
37 | #include <stdlib.h> |
37 | #include <stdlib.h> |
38 | #include <unistd.h> |
38 | #include <unistd.h> |
39 | #include <align.h> |
39 | #include <align.h> |
40 | #include <async.h> |
40 | #include <async.h> |
41 | #include <ipc/ipc.h> |
41 | #include <ipc/ipc.h> |
42 | #include <errno.h> |
42 | #include <errno.h> |
43 | #include <stdio.h> |
43 | #include <stdio.h> |
44 | #include <ddi.h> |
44 | #include <ddi.h> |
45 | #include <sysinfo.h> |
45 | #include <sysinfo.h> |
46 | #include <as.h> |
46 | #include <as.h> |
47 | #include <ipc/fb.h> |
47 | #include <ipc/fb.h> |
48 | #include <ipc/ipc.h> |
48 | #include <ipc/ipc.h> |
49 | #include <ipc/ns.h> |
49 | #include <ipc/ns.h> |
50 | #include <ipc/services.h> |
50 | #include <ipc/services.h> |
51 | #include <libarch/ddi.h> |
51 | #include <libarch/ddi.h> |
52 | 52 | ||
53 | #include "ega.h" |
53 | #include "ega.h" |
54 | #include "../console/screenbuffer.h" |
54 | #include "../console/screenbuffer.h" |
55 | #include "main.h" |
55 | #include "main.h" |
56 | 56 | ||
57 | #define MAX_SAVED_SCREENS 256 |
57 | #define MAX_SAVED_SCREENS 256 |
58 | typedef struct saved_screen { |
58 | typedef struct saved_screen { |
59 | short *data; |
59 | short *data; |
60 | } saved_screen; |
60 | } saved_screen; |
61 | 61 | ||
62 | saved_screen saved_screens[MAX_SAVED_SCREENS]; |
62 | saved_screen saved_screens[MAX_SAVED_SCREENS]; |
63 | 63 | ||
64 | #define EGA_IO_ADDRESS 0x3d4 |
64 | #define EGA_IO_ADDRESS 0x3d4 |
65 | #define EGA_IO_SIZE 2 |
65 | #define EGA_IO_SIZE 2 |
66 | 66 | ||
67 | #define NORMAL_COLOR 0x0f |
67 | #define NORMAL_COLOR 0x0f |
68 | #define INVERTED_COLOR 0xf0 |
68 | #define INVERTED_COLOR 0xf0 |
69 | 69 | ||
70 | #define EGA_STYLE(fg,bg) ((fg) > (bg) ? NORMAL_COLOR : INVERTED_COLOR) |
70 | #define EGA_STYLE(fg,bg) ((fg) > (bg) ? NORMAL_COLOR : INVERTED_COLOR) |
71 | 71 | ||
72 | /* Allow only 1 connection */ |
72 | /* Allow only 1 connection */ |
73 | static int client_connected = 0; |
73 | static int client_connected = 0; |
74 | 74 | ||
75 | static unsigned int scr_width; |
75 | static unsigned int scr_width; |
76 | static unsigned int scr_height; |
76 | static unsigned int scr_height; |
77 | static char *scr_addr; |
77 | static char *scr_addr; |
78 | 78 | ||
79 | static unsigned int style = NORMAL_COLOR; |
79 | static unsigned int style = NORMAL_COLOR; |
80 | 80 | ||
81 | static void clrscr(void) |
81 | static void clrscr(void) |
82 | { |
82 | { |
83 | int i; |
83 | int i; |
84 | 84 | ||
85 | for (i=0; i < scr_width*scr_height; i++) { |
85 | for (i = 0; i < scr_width*scr_height; i++) { |
86 | scr_addr[i*2] = ' '; |
86 | scr_addr[i * 2] = ' '; |
87 | scr_addr[i*2+1] = style; |
87 | scr_addr[i * 2 + 1] = style; |
88 | } |
88 | } |
89 | } |
89 | } |
90 | 90 | ||
91 | static void cursor_goto(unsigned int row, unsigned int col) |
91 | static void cursor_goto(unsigned int row, unsigned int col) |
92 | { |
92 | { |
93 | int ega_cursor; |
93 | int ega_cursor; |
94 | 94 | ||
95 | ega_cursor=col+scr_width*row; |
95 | ega_cursor = col + scr_width * row; |
96 | 96 | ||
97 | outb(EGA_IO_ADDRESS , 0xe); |
97 | outb(EGA_IO_ADDRESS, 0xe); |
98 | outb(EGA_IO_ADDRESS + 1, (ega_cursor >>8) & 0xff); |
98 | outb(EGA_IO_ADDRESS + 1, (ega_cursor >> 8) & 0xff); |
99 | outb(EGA_IO_ADDRESS , 0xf); |
99 | outb(EGA_IO_ADDRESS, 0xf); |
100 | outb(EGA_IO_ADDRESS + 1, ega_cursor & 0xff); |
100 | outb(EGA_IO_ADDRESS + 1, ega_cursor & 0xff); |
101 | } |
101 | } |
102 | 102 | ||
103 | static void cursor_disable(void) |
103 | static void cursor_disable(void) |
104 | { |
104 | { |
105 | uint8_t stat; |
105 | uint8_t stat; |
106 | 106 | ||
107 | outb(EGA_IO_ADDRESS , 0xa); |
107 | outb(EGA_IO_ADDRESS, 0xa); |
108 | stat=inb(EGA_IO_ADDRESS + 1); |
108 | stat=inb(EGA_IO_ADDRESS + 1); |
109 | outb(EGA_IO_ADDRESS , 0xa); |
109 | outb(EGA_IO_ADDRESS, 0xa); |
110 | outb(EGA_IO_ADDRESS +1 ,stat | (1<<5) ); |
110 | outb(EGA_IO_ADDRESS + 1, stat | (1 << 5)); |
111 | } |
111 | } |
112 | 112 | ||
113 | static void cursor_enable(void) |
113 | static void cursor_enable(void) |
114 | { |
114 | { |
115 | uint8_t stat; |
115 | uint8_t stat; |
116 | 116 | ||
117 | outb(EGA_IO_ADDRESS , 0xa); |
117 | outb(EGA_IO_ADDRESS, 0xa); |
118 | stat=inb(EGA_IO_ADDRESS + 1); |
118 | stat=inb(EGA_IO_ADDRESS + 1); |
119 | outb(EGA_IO_ADDRESS , 0xa); |
119 | outb(EGA_IO_ADDRESS, 0xa); |
120 | outb(EGA_IO_ADDRESS +1 ,stat & (~(1<<5)) ); |
120 | outb(EGA_IO_ADDRESS + 1, stat & (~(1 << 5))); |
121 | } |
121 | } |
122 | 122 | ||
123 | static void scroll(int rows) |
123 | static void scroll(int rows) |
124 | { |
124 | { |
125 | int i; |
125 | int i; |
126 | if (rows > 0) { |
126 | if (rows > 0) { |
127 | memcpy (scr_addr,((char *)scr_addr) + rows * scr_width * 2, |
127 | memcpy(scr_addr, ((char *) scr_addr) + rows * scr_width * 2, |
128 | scr_width * scr_height * 2 - rows * scr_width * 2); |
128 | scr_width * scr_height * 2 - rows * scr_width * 2); |
129 | for (i = 0; i < rows * scr_width ; i ++) |
129 | for (i = 0; i < rows * scr_width; i++) |
130 | (((short *)scr_addr) + scr_width * scr_height - rows * |
130 | (((short *) scr_addr) + scr_width * scr_height - rows * |
131 | scr_width) [i] = ((style << 8) + ' '); |
131 | scr_width)[i] = ((style << 8) + ' '); |
132 | } else if (rows < 0) { |
132 | } else if (rows < 0) { |
133 | memcpy (((char *)scr_addr) - rows * scr_width * 2, scr_addr, |
133 | memcpy(((char *)scr_addr) - rows * scr_width * 2, scr_addr, |
134 | scr_width * scr_height * 2 + rows * scr_width * 2); |
134 | scr_width * scr_height * 2 + rows * scr_width * 2); |
135 | for (i = 0; i < - rows * scr_width ; i++) |
135 | for (i = 0; i < -rows * scr_width; i++) |
136 | ((short *)scr_addr) [i] = ((style << 8 ) + ' '); |
136 | ((short *)scr_addr)[i] = ((style << 8 ) + ' '); |
137 | } |
137 | } |
138 | } |
138 | } |
139 | 139 | ||
140 | static void printchar(char c, unsigned int row, unsigned int col) |
140 | static void printchar(char c, unsigned int row, unsigned int col) |
141 | { |
141 | { |
142 | scr_addr[(row*scr_width + col)*2] = c; |
142 | scr_addr[(row * scr_width + col) * 2] = c; |
143 | scr_addr[(row*scr_width + col)*2+1] = style; |
143 | scr_addr[(row * scr_width + col) * 2 + 1] = style; |
144 | 144 | ||
145 | cursor_goto(row,col+1); |
145 | cursor_goto(row, col + 1); |
146 | } |
146 | } |
147 | 147 | ||
148 | static void draw_text_data(keyfield_t *data) |
148 | static void draw_text_data(keyfield_t *data) |
149 | { |
149 | { |
150 | int i; |
150 | int i; |
151 | 151 | ||
152 | for (i=0; i < scr_width*scr_height; i++) { |
152 | for (i = 0; i < scr_width * scr_height; i++) { |
153 | scr_addr[i*2] = data[i].character; |
153 | scr_addr[i * 2] = data[i].character; |
154 | scr_addr[i*2+1] = EGA_STYLE(data[i].style.fg_color, data[i].style.bg_color); |
154 | scr_addr[i * 2 + 1] = EGA_STYLE(data[i].style.fg_color, |
- | 155 | data[i].style.bg_color); |
|
155 | } |
156 | } |
156 | } |
157 | } |
157 | 158 | ||
158 | static int save_screen(void) |
159 | static int save_screen(void) |
159 | { |
160 | { |
160 | int i; |
161 | int i; |
161 | 162 | ||
162 | for (i=0; ( i < MAX_SAVED_SCREENS ) && (saved_screens[i].data); i++) |
163 | for (i=0; (i < MAX_SAVED_SCREENS) && (saved_screens[i].data); i++) |
163 | ; |
164 | ; |
164 | if (i == MAX_SAVED_SCREENS) |
165 | if (i == MAX_SAVED_SCREENS) |
165 | return EINVAL; |
166 | return EINVAL; |
166 | if (!(saved_screens[i].data=malloc( 2 * scr_width*scr_height ))) |
167 | if (!(saved_screens[i].data = malloc(2 * scr_width * scr_height))) |
167 | return ENOMEM; |
168 | return ENOMEM; |
168 | memcpy(saved_screens[i].data, scr_addr, 2 * scr_width * scr_height); |
169 | memcpy(saved_screens[i].data, scr_addr, 2 * scr_width * scr_height); |
169 | 170 | ||
170 | return i; |
171 | return i; |
171 | } |
172 | } |
172 | 173 | ||
173 | static int print_screen(int i) |
174 | static int print_screen(int i) |
174 | { |
175 | { |
175 | if (saved_screens[i].data) |
176 | if (saved_screens[i].data) |
176 | memcpy(scr_addr, saved_screens[i].data, 2 * scr_width * scr_height); |
177 | memcpy(scr_addr, saved_screens[i].data, 2 * scr_width * |
- | 178 | scr_height); |
|
- | 179 | else |
|
177 | else return EINVAL; |
180 | return EINVAL; |
178 | return i; |
181 | return i; |
179 | } |
182 | } |
180 | 183 | ||
181 | 184 | ||
182 | static void ega_client_connection(ipc_callid_t iid, ipc_call_t *icall) |
185 | static void ega_client_connection(ipc_callid_t iid, ipc_call_t *icall) |
183 | { |
186 | { |
184 | int retval; |
187 | int retval; |
185 | ipc_callid_t callid; |
188 | ipc_callid_t callid; |
186 | ipc_call_t call; |
189 | ipc_call_t call; |
187 | char c; |
190 | char c; |
188 | unsigned int row, col; |
191 | unsigned int row, col; |
189 | int bgcolor,fgcolor; |
192 | int bgcolor,fgcolor; |
190 | keyfield_t *interbuf = NULL; |
193 | keyfield_t *interbuf = NULL; |
191 | size_t intersize = 0; |
194 | size_t intersize = 0; |
192 | int i; |
195 | int i; |
193 | 196 | ||
194 | if (client_connected) { |
197 | if (client_connected) { |
195 | ipc_answer_fast(iid, ELIMIT, 0,0); |
198 | ipc_answer_fast(iid, ELIMIT, 0,0); |
196 | return; |
199 | return; |
197 | } |
200 | } |
198 | client_connected = 1; |
201 | client_connected = 1; |
199 | ipc_answer_fast(iid, 0, 0, 0); /* Accept connection */ |
202 | ipc_answer_fast(iid, 0, 0, 0); /* Accept connection */ |
200 | 203 | ||
201 | while (1) { |
204 | while (1) { |
202 | callid = async_get_call(&call); |
205 | callid = async_get_call(&call); |
203 | switch (IPC_GET_METHOD(call)) { |
206 | switch (IPC_GET_METHOD(call)) { |
204 | case IPC_M_PHONE_HUNGUP: |
207 | case IPC_M_PHONE_HUNGUP: |
205 | client_connected = 0; |
208 | client_connected = 0; |
206 | ipc_answer_fast(callid,0,0,0); |
209 | ipc_answer_fast(callid, 0, 0, 0); |
207 | return; /* Exit thread */ |
210 | return; /* Exit thread */ |
208 | case IPC_M_AS_AREA_SEND: |
211 | case IPC_M_AS_AREA_SEND: |
209 | /* We accept one area for data interchange */ |
212 | /* We accept one area for data interchange */ |
210 | intersize = IPC_GET_ARG2(call); |
213 | intersize = IPC_GET_ARG2(call); |
211 | if (intersize >= scr_width*scr_height*sizeof(*interbuf)) { |
214 | if (intersize >= scr_width * scr_height * |
- | 215 | sizeof(*interbuf)) { |
|
212 | receive_comm_area(callid,&call,(void *)&interbuf); |
216 | receive_comm_area(callid, &call, (void *) |
- | 217 | &interbuf); |
|
213 | continue; |
218 | continue; |
214 | } |
219 | } |
215 | retval = EINVAL; |
220 | retval = EINVAL; |
216 | break; |
221 | break; |
217 | case FB_DRAW_TEXT_DATA: |
222 | case FB_DRAW_TEXT_DATA: |
218 | if (!interbuf) { |
223 | if (!interbuf) { |
219 | retval = EINVAL; |
224 | retval = EINVAL; |
220 | break; |
225 | break; |
221 | } |
226 | } |
222 | draw_text_data(interbuf); |
227 | draw_text_data(interbuf); |
223 | retval = 0; |
228 | retval = 0; |
224 | break; |
229 | break; |
225 | case FB_GET_CSIZE: |
230 | case FB_GET_CSIZE: |
226 | ipc_answer_fast(callid, 0, scr_height, scr_width); |
231 | ipc_answer_fast(callid, 0, scr_height, scr_width); |
227 | continue; |
232 | continue; |
228 | case FB_CLEAR: |
233 | case FB_CLEAR: |
229 | clrscr(); |
234 | clrscr(); |
230 | retval = 0; |
235 | retval = 0; |
231 | break; |
236 | break; |
232 | case FB_PUTCHAR: |
237 | case FB_PUTCHAR: |
233 | c = IPC_GET_ARG1(call); |
238 | c = IPC_GET_ARG1(call); |
234 | row = IPC_GET_ARG2(call); |
239 | row = IPC_GET_ARG2(call); |
235 | col = IPC_GET_ARG3(call); |
240 | col = IPC_GET_ARG3(call); |
236 | if (col >= scr_width || row >= scr_height) { |
241 | if (col >= scr_width || row >= scr_height) { |
237 | retval = EINVAL; |
242 | retval = EINVAL; |
238 | break; |
243 | break; |
239 | } |
244 | } |
240 | printchar(c,row,col); |
245 | printchar(c, row, col); |
241 | retval = 0; |
246 | retval = 0; |
242 | break; |
247 | break; |
243 | case FB_CURSOR_GOTO: |
248 | case FB_CURSOR_GOTO: |
244 | row = IPC_GET_ARG1(call); |
249 | row = IPC_GET_ARG1(call); |
245 | col = IPC_GET_ARG2(call); |
250 | col = IPC_GET_ARG2(call); |
246 | if (row >= scr_height || col >= scr_width) { |
251 | if (row >= scr_height || col >= scr_width) { |
247 | retval = EINVAL; |
252 | retval = EINVAL; |
248 | break; |
253 | break; |
249 | } |
254 | } |
250 | cursor_goto(row,col); |
255 | cursor_goto(row, col); |
251 | retval = 0; |
256 | retval = 0; |
252 | break; |
257 | break; |
253 | case FB_SCROLL: |
258 | case FB_SCROLL: |
254 | i = IPC_GET_ARG1(call); |
259 | i = IPC_GET_ARG1(call); |
255 | if (i > scr_height || i < (- (int)scr_height)) { |
260 | if (i > scr_height || i < -((int) scr_height)) { |
256 | retval = EINVAL; |
261 | retval = EINVAL; |
257 | break; |
262 | break; |
258 | } |
263 | } |
259 | scroll(i); |
264 | scroll(i); |
260 | retval = 0; |
265 | retval = 0; |
261 | break; |
266 | break; |
262 | case FB_CURSOR_VISIBILITY: |
267 | case FB_CURSOR_VISIBILITY: |
263 | if(IPC_GET_ARG1(call)) |
268 | if(IPC_GET_ARG1(call)) |
264 | cursor_enable(); |
269 | cursor_enable(); |
265 | else |
270 | else |
266 | cursor_disable(); |
271 | cursor_disable(); |
267 | retval = 0; |
272 | retval = 0; |
268 | break; |
273 | break; |
269 | case FB_SET_STYLE: |
274 | case FB_SET_STYLE: |
270 | fgcolor = IPC_GET_ARG1(call); |
275 | fgcolor = IPC_GET_ARG1(call); |
271 | bgcolor = IPC_GET_ARG2(call); |
276 | bgcolor = IPC_GET_ARG2(call); |
272 | style = EGA_STYLE(fgcolor, bgcolor); |
277 | style = EGA_STYLE(fgcolor, bgcolor); |
273 | retval = 0; |
278 | retval = 0; |
274 | break; |
279 | break; |
275 | case FB_VP_DRAW_PIXMAP: |
280 | case FB_VP_DRAW_PIXMAP: |
276 | i = IPC_GET_ARG2(call); |
281 | i = IPC_GET_ARG2(call); |
277 | retval = print_screen(i); |
282 | retval = print_screen(i); |
278 | break; |
283 | break; |
279 | case FB_VP2PIXMAP: |
284 | case FB_VP2PIXMAP: |
280 | retval = save_screen(); |
285 | retval = save_screen(); |
281 | break; |
286 | break; |
282 | case FB_DROP_PIXMAP: |
287 | case FB_DROP_PIXMAP: |
283 | i = IPC_GET_ARG1(call); |
288 | i = IPC_GET_ARG1(call); |
284 | if (i >= MAX_SAVED_SCREENS) { |
289 | if (i >= MAX_SAVED_SCREENS) { |
285 | retval = EINVAL; |
290 | retval = EINVAL; |
286 | break; |
291 | break; |
287 | } |
292 | } |
288 | if (saved_screens[i].data) { |
293 | if (saved_screens[i].data) { |
289 | free(saved_screens[i].data); |
294 | free(saved_screens[i].data); |
290 | saved_screens[i].data = NULL; |
295 | saved_screens[i].data = NULL; |
291 | } |
296 | } |
292 | retval = 0; |
297 | retval = 0; |
293 | break; |
298 | break; |
294 | 299 | ||
295 | default: |
300 | default: |
296 | retval = ENOENT; |
301 | retval = ENOENT; |
297 | } |
302 | } |
298 | ipc_answer_fast(callid,retval,0,0); |
303 | ipc_answer_fast(callid, retval, 0, 0); |
299 | } |
304 | } |
300 | } |
305 | } |
301 | 306 | ||
302 | int ega_init(void) |
307 | int ega_init(void) |
303 | { |
308 | { |
304 | void *ega_ph_addr; |
309 | void *ega_ph_addr; |
305 | size_t sz; |
310 | size_t sz; |
306 | 311 | ||
307 | - | ||
308 | ega_ph_addr=(void *)sysinfo_value("fb.address.physical"); |
312 | ega_ph_addr = (void *) sysinfo_value("fb.address.physical"); |
309 | scr_width=sysinfo_value("fb.width"); |
313 | scr_width = sysinfo_value("fb.width"); |
310 | scr_height=sysinfo_value("fb.height"); |
314 | scr_height = sysinfo_value("fb.height"); |
311 | iospace_enable(task_get_id(), (void *) EGA_IO_ADDRESS, 2); |
315 | iospace_enable(task_get_id(), (void *) EGA_IO_ADDRESS, 2); |
312 | 316 | ||
313 | sz = scr_width * scr_height * 2; |
317 | sz = scr_width * scr_height * 2; |
314 | scr_addr = as_get_mappable_page(sz, (int) |
318 | scr_addr = as_get_mappable_page(sz, (int) |
315 | sysinfo_value("fb.address.color")); |
319 | sysinfo_value("fb.address.color")); |
316 | 320 | ||
317 | physmem_map(ega_ph_addr, scr_addr, ALIGN_UP(sz, PAGE_SIZE) >> |
321 | physmem_map(ega_ph_addr, scr_addr, ALIGN_UP(sz, PAGE_SIZE) >> |
318 | PAGE_WIDTH, AS_AREA_READ | AS_AREA_WRITE); |
322 | PAGE_WIDTH, AS_AREA_READ | AS_AREA_WRITE); |
319 | 323 | ||
320 | async_set_client_connection(ega_client_connection); |
324 | async_set_client_connection(ega_client_connection); |
321 | 325 | ||
322 | return 0; |
326 | return 0; |
323 | } |
327 | } |
324 | 328 | ||
325 | 329 | ||
326 | /** |
330 | /** |
327 | * @} |
331 | * @} |
328 | */ |
332 | */ |
329 | 333 |