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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 | #include <console/style.h> |
52 | #include <console/style.h> |
53 | #include <console/color.h> |
53 | #include <console/color.h> |
54 | #include <sys/types.h> |
54 | #include <sys/types.h> |
55 | 55 | ||
56 | #include "ega.h" |
56 | #include "ega.h" |
57 | #include "../console/screenbuffer.h" |
57 | #include "../console/screenbuffer.h" |
58 | #include "main.h" |
58 | #include "main.h" |
59 | 59 | ||
60 | #define MAX_SAVED_SCREENS 256 |
60 | #define MAX_SAVED_SCREENS 256 |
61 | typedef struct saved_screen { |
61 | typedef struct saved_screen { |
62 | short *data; |
62 | short *data; |
63 | } saved_screen; |
63 | } saved_screen; |
64 | 64 | ||
65 | saved_screen saved_screens[MAX_SAVED_SCREENS]; |
65 | saved_screen saved_screens[MAX_SAVED_SCREENS]; |
66 | 66 | ||
67 | #define EGA_IO_BASE ((ioport8_t *) 0x3d4) |
67 | #define EGA_IO_BASE ((ioport8_t *) 0x3d4) |
68 | #define EGA_IO_SIZE 2 |
68 | #define EGA_IO_SIZE 2 |
69 | 69 | ||
70 | int ega_normal_color = 0x0f; |
70 | int ega_normal_color = 0x0f; |
71 | int ega_inverted_color = 0xf0; |
71 | int ega_inverted_color = 0xf0; |
72 | 72 | ||
73 | #define NORMAL_COLOR ega_normal_color |
73 | #define NORMAL_COLOR ega_normal_color |
74 | #define INVERTED_COLOR ega_inverted_color |
74 | #define INVERTED_COLOR ega_inverted_color |
75 | 75 | ||
76 | /* Allow only 1 connection */ |
76 | /* Allow only 1 connection */ |
77 | static int client_connected = 0; |
77 | static int client_connected = 0; |
78 | 78 | ||
79 | static unsigned int scr_width; |
79 | static unsigned int scr_width; |
80 | static unsigned int scr_height; |
80 | static unsigned int scr_height; |
81 | static char *scr_addr; |
81 | static char *scr_addr; |
82 | 82 | ||
83 | static unsigned int style; |
83 | static unsigned int style; |
84 | 84 | ||
85 | static unsigned attr_to_ega_style(const attrs_t *a); |
85 | static unsigned attr_to_ega_style(const attrs_t *a); |
86 | 86 | ||
87 | static void clrscr(void) |
87 | static void clrscr(void) |
88 | { |
88 | { |
89 | int i; |
89 | int i; |
90 | 90 | ||
91 | for (i = 0; i < scr_width * scr_height; i++) { |
91 | for (i = 0; i < scr_width * scr_height; i++) { |
92 | scr_addr[i * 2] = ' '; |
92 | scr_addr[i * 2] = ' '; |
93 | scr_addr[i * 2 + 1] = style; |
93 | scr_addr[i * 2 + 1] = style; |
94 | } |
94 | } |
95 | } |
95 | } |
96 | 96 | ||
97 | static void cursor_goto(unsigned int row, unsigned int col) |
97 | static void cursor_goto(unsigned int row, unsigned int col) |
98 | { |
98 | { |
99 | int ega_cursor; |
99 | int ega_cursor; |
100 | 100 | ||
101 | ega_cursor = col + scr_width * row; |
101 | ega_cursor = col + scr_width * row; |
102 | 102 | ||
103 | pio_write_8(EGA_IO_BASE, 0xe); |
103 | pio_write_8(EGA_IO_BASE, 0xe); |
104 | pio_write_8(EGA_IO_BASE + 1, (ega_cursor >> 8) & 0xff); |
104 | pio_write_8(EGA_IO_BASE + 1, (ega_cursor >> 8) & 0xff); |
105 | pio_write_8(EGA_IO_BASE, 0xf); |
105 | pio_write_8(EGA_IO_BASE, 0xf); |
106 | pio_write_8(EGA_IO_BASE + 1, ega_cursor & 0xff); |
106 | pio_write_8(EGA_IO_BASE + 1, ega_cursor & 0xff); |
107 | } |
107 | } |
108 | 108 | ||
109 | static void cursor_disable(void) |
109 | static void cursor_disable(void) |
110 | { |
110 | { |
111 | uint8_t stat; |
111 | uint8_t stat; |
112 | 112 | ||
113 | pio_write_8(EGA_IO_BASE, 0xa); |
113 | pio_write_8(EGA_IO_BASE, 0xa); |
114 | stat = pio_read_8(EGA_IO_BASE + 1); |
114 | stat = pio_read_8(EGA_IO_BASE + 1); |
115 | pio_write_8(EGA_IO_BASE, 0xa); |
115 | pio_write_8(EGA_IO_BASE, 0xa); |
116 | pio_write_8(EGA_IO_BASE + 1, stat | (1 << 5)); |
116 | pio_write_8(EGA_IO_BASE + 1, stat | (1 << 5)); |
117 | } |
117 | } |
118 | 118 | ||
119 | static void cursor_enable(void) |
119 | static void cursor_enable(void) |
120 | { |
120 | { |
121 | uint8_t stat; |
121 | uint8_t stat; |
122 | 122 | ||
123 | pio_write_8(EGA_IO_BASE, 0xa); |
123 | pio_write_8(EGA_IO_BASE, 0xa); |
124 | stat = pio_read_8(EGA_IO_BASE + 1); |
124 | stat = pio_read_8(EGA_IO_BASE + 1); |
125 | pio_write_8(EGA_IO_BASE, 0xa); |
125 | pio_write_8(EGA_IO_BASE, 0xa); |
126 | pio_write_8(EGA_IO_BASE + 1, stat & (~(1 << 5))); |
126 | pio_write_8(EGA_IO_BASE + 1, stat & (~(1 << 5))); |
127 | } |
127 | } |
128 | 128 | ||
129 | static void scroll(int rows) |
129 | static void scroll(int rows) |
130 | { |
130 | { |
131 | int i; |
131 | int i; |
132 | if (rows > 0) { |
132 | if (rows > 0) { |
133 | memmove(scr_addr, ((char *) scr_addr) + rows * scr_width * 2, |
133 | memmove(scr_addr, ((char *) scr_addr) + rows * scr_width * 2, |
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) + scr_width * scr_height - rows * |
136 | (((short *) scr_addr) + scr_width * scr_height - rows * |
137 | scr_width)[i] = ((style << 8) + ' '); |
137 | scr_width)[i] = ((style << 8) + ' '); |
138 | } else if (rows < 0) { |
138 | } else if (rows < 0) { |
139 | memmove(((char *)scr_addr) - rows * scr_width * 2, scr_addr, |
139 | memmove(((char *)scr_addr) - rows * scr_width * 2, scr_addr, |
140 | scr_width * scr_height * 2 + rows * scr_width * 2); |
140 | scr_width * scr_height * 2 + rows * scr_width * 2); |
141 | for (i = 0; i < -rows * scr_width; i++) |
141 | for (i = 0; i < -rows * scr_width; i++) |
142 | ((short *)scr_addr)[i] = ((style << 8 ) + ' '); |
142 | ((short *)scr_addr)[i] = ((style << 8 ) + ' '); |
143 | } |
143 | } |
144 | } |
144 | } |
145 | 145 | ||
146 | static void printchar(char c, unsigned int row, unsigned int col) |
146 | static void printchar(char c, unsigned int row, unsigned int col) |
147 | { |
147 | { |
148 | scr_addr[(row * scr_width + col) * 2] = c; |
148 | scr_addr[(row * scr_width + col) * 2] = c; |
149 | scr_addr[(row * scr_width + col) * 2 + 1] = style; |
149 | scr_addr[(row * scr_width + col) * 2 + 1] = style; |
150 | 150 | ||
151 | cursor_goto(row, col + 1); |
151 | cursor_goto(row, col + 1); |
152 | } |
152 | } |
153 | 153 | ||
154 | static void draw_text_data(keyfield_t *data) |
154 | static void draw_text_data(keyfield_t *data) |
155 | { |
155 | { |
156 | int i; |
156 | int i; |
157 | 157 | ||
158 | for (i = 0; i < scr_width * scr_height; i++) { |
158 | for (i = 0; i < scr_width * scr_height; i++) { |
159 | scr_addr[i * 2] = data[i].character; |
159 | scr_addr[i * 2] = data[i].character; |
160 | scr_addr[i * 2 + 1] = attr_to_ega_style(&data[i].attrs); |
160 | scr_addr[i * 2 + 1] = attr_to_ega_style(&data[i].attrs); |
161 | } |
161 | } |
162 | } |
162 | } |
163 | 163 | ||
164 | static int save_screen(void) |
164 | static int save_screen(void) |
165 | { |
165 | { |
166 | int i; |
166 | int i; |
167 | 167 | ||
168 | for (i = 0; (i < MAX_SAVED_SCREENS) && (saved_screens[i].data); i++) |
168 | for (i = 0; (i < MAX_SAVED_SCREENS) && (saved_screens[i].data); i++) |
169 | ; |
169 | ; |
170 | if (i == MAX_SAVED_SCREENS) |
170 | if (i == MAX_SAVED_SCREENS) |
171 | return EINVAL; |
171 | return EINVAL; |
172 | if (!(saved_screens[i].data = malloc(2 * scr_width * scr_height))) |
172 | if (!(saved_screens[i].data = malloc(2 * scr_width * scr_height))) |
173 | return ENOMEM; |
173 | return ENOMEM; |
174 | memcpy(saved_screens[i].data, scr_addr, 2 * scr_width * scr_height); |
174 | memcpy(saved_screens[i].data, scr_addr, 2 * scr_width * scr_height); |
175 | 175 | ||
176 | return i; |
176 | return i; |
177 | } |
177 | } |
178 | 178 | ||
179 | static int print_screen(int i) |
179 | static int print_screen(int i) |
180 | { |
180 | { |
181 | if (saved_screens[i].data) |
181 | if (saved_screens[i].data) |
182 | memcpy(scr_addr, saved_screens[i].data, 2 * scr_width * |
182 | memcpy(scr_addr, saved_screens[i].data, 2 * scr_width * |
183 | scr_height); |
183 | scr_height); |
184 | else |
184 | else |
185 | return EINVAL; |
185 | return EINVAL; |
186 | return i; |
186 | return i; |
187 | } |
187 | } |
188 | 188 | ||
189 | static int style_to_ega_style(int style) |
189 | static int style_to_ega_style(int style) |
190 | { |
190 | { |
191 | unsigned int ega_style; |
191 | unsigned int ega_style; |
192 | 192 | ||
193 | switch (style) { |
193 | switch (style) { |
194 | case STYLE_NORMAL: |
194 | case STYLE_NORMAL: |
195 | ega_style = INVERTED_COLOR; |
195 | ega_style = INVERTED_COLOR; |
196 | break; |
196 | break; |
197 | case STYLE_EMPHASIS: |
197 | case STYLE_EMPHASIS: |
198 | ega_style = INVERTED_COLOR | 4; |
198 | ega_style = INVERTED_COLOR | 4; |
199 | break; |
199 | break; |
200 | default: |
200 | default: |
201 | return INVERTED_COLOR; |
201 | return INVERTED_COLOR; |
202 | } |
202 | } |
203 | 203 | ||
204 | return ega_style; |
204 | return ega_style; |
205 | } |
205 | } |
206 | 206 | ||
207 | static unsigned int color_to_ega_style(int fg_color, int bg_color, int attr) |
207 | static unsigned int color_to_ega_style(int fg_color, int bg_color, int attr) |
208 | { |
208 | { |
209 | unsigned int style; |
209 | unsigned int style; |
210 | 210 | ||
211 | style = (fg_color & 7) | ((bg_color & 7) << 4); |
211 | style = (fg_color & 7) | ((bg_color & 7) << 4); |
212 | if (attr & CATTR_BRIGHT) |
212 | if (attr & CATTR_BRIGHT) |
213 | style = style | 0x08; |
213 | style = style | 0x08; |
214 | 214 | ||
215 | return style; |
215 | return style; |
216 | } |
216 | } |
217 | 217 | ||
218 | static unsigned int rgb_to_ega_style(uint32_t fg, uint32_t bg) |
218 | static unsigned int rgb_to_ega_style(uint32_t fg, uint32_t bg) |
219 | { |
219 | { |
220 | return (fg > bg) ? NORMAL_COLOR : INVERTED_COLOR; |
220 | return (fg > bg) ? NORMAL_COLOR : INVERTED_COLOR; |
221 | } |
221 | } |
222 | 222 | ||
223 | static unsigned attr_to_ega_style(const attrs_t *a) |
223 | static unsigned attr_to_ega_style(const attrs_t *a) |
224 | { |
224 | { |
225 | switch (a->t) { |
225 | switch (a->t) { |
226 | case at_style: return style_to_ega_style(a->a.s.style); |
226 | case at_style: return style_to_ega_style(a->a.s.style); |
227 | case at_rgb: return rgb_to_ega_style(a->a.r.fg_color, a->a.r.bg_color); |
227 | case at_rgb: return rgb_to_ega_style(a->a.r.fg_color, a->a.r.bg_color); |
228 | case at_idx: return color_to_ega_style(a->a.i.fg_color, |
228 | case at_idx: return color_to_ega_style(a->a.i.fg_color, |
229 | a->a.i.bg_color, a->a.i.flags); |
229 | a->a.i.bg_color, a->a.i.flags); |
230 | default: return INVERTED_COLOR; |
230 | default: return INVERTED_COLOR; |
231 | } |
231 | } |
232 | } |
232 | } |
233 | 233 | ||
- | 234 | #define FB_WRITE_BUF_SIZE 256 |
|
- | 235 | static char fb_write_buf[FB_WRITE_BUF_SIZE]; |
|
- | 236 | ||
- | 237 | static void fb_write(ipc_callid_t rid, ipc_call_t *request) |
|
- | 238 | { |
|
- | 239 | int row, col; |
|
- | 240 | ipc_callid_t callid; |
|
- | 241 | size_t len; |
|
- | 242 | size_t i; |
|
- | 243 | ||
- | 244 | row = IPC_GET_ARG1(*request); |
|
- | 245 | col = IPC_GET_ARG2(*request); |
|
- | 246 | ||
- | 247 | if ((col >= scr_width) || (row >= scr_height)) { |
|
- | 248 | ipc_answer_0(callid, EINVAL); |
|
- | 249 | ipc_answer_0(rid, EINVAL); |
|
- | 250 | return; |
|
- | 251 | } |
|
- | 252 | ||
- | 253 | if (!ipc_data_write_receive(&callid, &len)) { |
|
- | 254 | ipc_answer_0(callid, EINVAL); |
|
- | 255 | ipc_answer_0(rid, EINVAL); |
|
- | 256 | return; |
|
- | 257 | } |
|
- | 258 | ||
- | 259 | if (len > FB_WRITE_BUF_SIZE) |
|
- | 260 | len = FB_WRITE_BUF_SIZE; |
|
- | 261 | if (len >= scr_width - col) |
|
- | 262 | len = scr_width - col; |
|
- | 263 | ||
- | 264 | (void) ipc_data_write_finalize(callid, fb_write_buf, len); |
|
- | 265 | ||
- | 266 | for (i = 0; i < len; i++) { |
|
- | 267 | printchar(fb_write_buf[i], row, col++); |
|
- | 268 | } |
|
- | 269 | ||
- | 270 | ipc_answer_1(rid, EOK, len); |
|
- | 271 | } |
|
- | 272 | ||
234 | static void ega_client_connection(ipc_callid_t iid, ipc_call_t *icall) |
273 | static void ega_client_connection(ipc_callid_t iid, ipc_call_t *icall) |
235 | { |
274 | { |
236 | int retval; |
275 | int retval; |
237 | ipc_callid_t callid; |
276 | ipc_callid_t callid; |
238 | ipc_call_t call; |
277 | ipc_call_t call; |
239 | char c; |
278 | char c; |
240 | unsigned int row, col; |
279 | unsigned int row, col; |
241 | int bg_color, fg_color, attr; |
280 | int bg_color, fg_color, attr; |
242 | uint32_t bg_rgb, fg_rgb; |
281 | uint32_t bg_rgb, fg_rgb; |
243 | keyfield_t *interbuf = NULL; |
282 | keyfield_t *interbuf = NULL; |
244 | size_t intersize = 0; |
283 | size_t intersize = 0; |
245 | int i; |
284 | int i; |
246 | 285 | ||
247 | if (client_connected) { |
286 | if (client_connected) { |
248 | ipc_answer_0(iid, ELIMIT); |
287 | ipc_answer_0(iid, ELIMIT); |
249 | return; |
288 | return; |
250 | } |
289 | } |
251 | client_connected = 1; |
290 | client_connected = 1; |
252 | ipc_answer_0(iid, EOK); /* Accept connection */ |
291 | ipc_answer_0(iid, EOK); /* Accept connection */ |
253 | 292 | ||
254 | while (1) { |
293 | while (1) { |
255 | callid = async_get_call(&call); |
294 | callid = async_get_call(&call); |
256 | switch (IPC_GET_METHOD(call)) { |
295 | switch (IPC_GET_METHOD(call)) { |
257 | case IPC_M_PHONE_HUNGUP: |
296 | case IPC_M_PHONE_HUNGUP: |
258 | client_connected = 0; |
297 | client_connected = 0; |
259 | ipc_answer_0(callid, EOK); |
298 | ipc_answer_0(callid, EOK); |
260 | return; /* Exit thread */ |
299 | return; /* Exit thread */ |
261 | case IPC_M_SHARE_OUT: |
300 | case IPC_M_SHARE_OUT: |
262 | /* We accept one area for data interchange */ |
301 | /* We accept one area for data interchange */ |
263 | intersize = IPC_GET_ARG2(call); |
302 | intersize = IPC_GET_ARG2(call); |
264 | if (intersize >= scr_width * scr_height * |
303 | if (intersize >= scr_width * scr_height * |
265 | sizeof(*interbuf)) { |
304 | sizeof(*interbuf)) { |
266 | receive_comm_area(callid, &call, |
305 | receive_comm_area(callid, &call, |
267 | (void *) &interbuf); |
306 | (void *) &interbuf); |
268 | continue; |
307 | continue; |
269 | } |
308 | } |
270 | retval = EINVAL; |
309 | retval = EINVAL; |
271 | break; |
310 | break; |
272 | case FB_DRAW_TEXT_DATA: |
311 | case FB_DRAW_TEXT_DATA: |
273 | if (!interbuf) { |
312 | if (!interbuf) { |
274 | retval = EINVAL; |
313 | retval = EINVAL; |
275 | break; |
314 | break; |
276 | } |
315 | } |
277 | draw_text_data(interbuf); |
316 | draw_text_data(interbuf); |
278 | retval = 0; |
317 | retval = 0; |
279 | break; |
318 | break; |
280 | case FB_GET_CSIZE: |
319 | case FB_GET_CSIZE: |
281 | ipc_answer_2(callid, EOK, scr_height, scr_width); |
320 | ipc_answer_2(callid, EOK, scr_height, scr_width); |
282 | continue; |
321 | continue; |
283 | case FB_CLEAR: |
322 | case FB_CLEAR: |
284 | clrscr(); |
323 | clrscr(); |
285 | retval = 0; |
324 | retval = 0; |
286 | break; |
325 | break; |
287 | case FB_PUTCHAR: |
326 | case FB_PUTCHAR: |
288 | c = IPC_GET_ARG1(call); |
327 | c = IPC_GET_ARG1(call); |
289 | row = IPC_GET_ARG2(call); |
328 | row = IPC_GET_ARG2(call); |
290 | col = IPC_GET_ARG3(call); |
329 | col = IPC_GET_ARG3(call); |
291 | if (col >= scr_width || row >= scr_height) { |
330 | if (col >= scr_width || row >= scr_height) { |
292 | retval = EINVAL; |
331 | retval = EINVAL; |
293 | break; |
332 | break; |
294 | } |
333 | } |
295 | printchar(c, row, col); |
334 | printchar(c, row, col); |
296 | retval = 0; |
335 | retval = 0; |
297 | break; |
336 | break; |
- | 337 | case FB_WRITE: |
|
- | 338 | fb_write(callid, &call); |
|
- | 339 | ||
- | 340 | /* Message already answered */ |
|
- | 341 | continue; |
|
298 | case FB_CURSOR_GOTO: |
342 | case FB_CURSOR_GOTO: |
299 | row = IPC_GET_ARG1(call); |
343 | row = IPC_GET_ARG1(call); |
300 | col = IPC_GET_ARG2(call); |
344 | col = IPC_GET_ARG2(call); |
301 | if (row >= scr_height || col >= scr_width) { |
345 | if (row >= scr_height || col >= scr_width) { |
302 | retval = EINVAL; |
346 | retval = EINVAL; |
303 | break; |
347 | break; |
304 | } |
348 | } |
305 | cursor_goto(row, col); |
349 | cursor_goto(row, col); |
306 | retval = 0; |
350 | retval = 0; |
307 | break; |
351 | break; |
308 | case FB_SCROLL: |
352 | case FB_SCROLL: |
309 | i = IPC_GET_ARG1(call); |
353 | i = IPC_GET_ARG1(call); |
310 | if (i > scr_height || i < -((int) scr_height)) { |
354 | if (i > scr_height || i < -((int) scr_height)) { |
311 | retval = EINVAL; |
355 | retval = EINVAL; |
312 | break; |
356 | break; |
313 | } |
357 | } |
314 | scroll(i); |
358 | scroll(i); |
315 | retval = 0; |
359 | retval = 0; |
316 | break; |
360 | break; |
317 | case FB_CURSOR_VISIBILITY: |
361 | case FB_CURSOR_VISIBILITY: |
318 | if (IPC_GET_ARG1(call)) |
362 | if (IPC_GET_ARG1(call)) |
319 | cursor_enable(); |
363 | cursor_enable(); |
320 | else |
364 | else |
321 | cursor_disable(); |
365 | cursor_disable(); |
322 | retval = 0; |
366 | retval = 0; |
323 | break; |
367 | break; |
324 | case FB_SET_STYLE: |
368 | case FB_SET_STYLE: |
325 | style = style_to_ega_style(IPC_GET_ARG1(call)); |
369 | style = style_to_ega_style(IPC_GET_ARG1(call)); |
326 | retval = 0; |
370 | retval = 0; |
327 | break; |
371 | break; |
328 | case FB_SET_COLOR: |
372 | case FB_SET_COLOR: |
329 | fg_color = IPC_GET_ARG1(call); |
373 | fg_color = IPC_GET_ARG1(call); |
330 | bg_color = IPC_GET_ARG2(call); |
374 | bg_color = IPC_GET_ARG2(call); |
331 | attr = IPC_GET_ARG3(call); |
375 | attr = IPC_GET_ARG3(call); |
332 | style = color_to_ega_style(fg_color, bg_color, attr); |
376 | style = color_to_ega_style(fg_color, bg_color, attr); |
333 | retval = 0; |
377 | retval = 0; |
334 | break; |
378 | break; |
335 | case FB_SET_RGB_COLOR: |
379 | case FB_SET_RGB_COLOR: |
336 | fg_rgb = IPC_GET_ARG1(call); |
380 | fg_rgb = IPC_GET_ARG1(call); |
337 | bg_rgb = IPC_GET_ARG2(call); |
381 | bg_rgb = IPC_GET_ARG2(call); |
338 | style = rgb_to_ega_style(fg_rgb, bg_rgb); |
382 | style = rgb_to_ega_style(fg_rgb, bg_rgb); |
339 | retval = 0; |
383 | retval = 0; |
340 | break; |
384 | break; |
341 | case FB_VP_DRAW_PIXMAP: |
385 | case FB_VP_DRAW_PIXMAP: |
342 | i = IPC_GET_ARG2(call); |
386 | i = IPC_GET_ARG2(call); |
343 | retval = print_screen(i); |
387 | retval = print_screen(i); |
344 | break; |
388 | break; |
345 | case FB_VP2PIXMAP: |
389 | case FB_VP2PIXMAP: |
346 | retval = save_screen(); |
390 | retval = save_screen(); |
347 | break; |
391 | break; |
348 | case FB_DROP_PIXMAP: |
392 | case FB_DROP_PIXMAP: |
349 | i = IPC_GET_ARG1(call); |
393 | i = IPC_GET_ARG1(call); |
350 | if (i >= MAX_SAVED_SCREENS) { |
394 | if (i >= MAX_SAVED_SCREENS) { |
351 | retval = EINVAL; |
395 | retval = EINVAL; |
352 | break; |
396 | break; |
353 | } |
397 | } |
354 | if (saved_screens[i].data) { |
398 | if (saved_screens[i].data) { |
355 | free(saved_screens[i].data); |
399 | free(saved_screens[i].data); |
356 | saved_screens[i].data = NULL; |
400 | saved_screens[i].data = NULL; |
357 | } |
401 | } |
358 | retval = 0; |
402 | retval = 0; |
359 | break; |
403 | break; |
360 | 404 | ||
361 | default: |
405 | default: |
362 | retval = EINVAL; |
406 | retval = EINVAL; |
363 | } |
407 | } |
364 | ipc_answer_0(callid, retval); |
408 | ipc_answer_0(callid, retval); |
365 | } |
409 | } |
366 | } |
410 | } |
367 | 411 | ||
368 | int ega_init(void) |
412 | int ega_init(void) |
369 | { |
413 | { |
370 | void *ega_ph_addr; |
414 | void *ega_ph_addr; |
371 | size_t sz; |
415 | size_t sz; |
372 | 416 | ||
373 | ega_ph_addr = (void *) sysinfo_value("fb.address.physical"); |
417 | ega_ph_addr = (void *) sysinfo_value("fb.address.physical"); |
374 | scr_width = sysinfo_value("fb.width"); |
418 | scr_width = sysinfo_value("fb.width"); |
375 | scr_height = sysinfo_value("fb.height"); |
419 | scr_height = sysinfo_value("fb.height"); |
376 | 420 | ||
377 | if (sysinfo_value("fb.blinking")) { |
421 | if (sysinfo_value("fb.blinking")) { |
378 | ega_normal_color &= 0x77; |
422 | ega_normal_color &= 0x77; |
379 | ega_inverted_color &= 0x77; |
423 | ega_inverted_color &= 0x77; |
380 | } |
424 | } |
381 | 425 | ||
382 | style = NORMAL_COLOR; |
426 | style = NORMAL_COLOR; |
383 | 427 | ||
384 | iospace_enable(task_get_id(), (void *) EGA_IO_BASE, 2); |
428 | iospace_enable(task_get_id(), (void *) EGA_IO_BASE, 2); |
385 | 429 | ||
386 | sz = scr_width * scr_height * 2; |
430 | sz = scr_width * scr_height * 2; |
387 | scr_addr = as_get_mappable_page(sz); |
431 | scr_addr = as_get_mappable_page(sz); |
388 | 432 | ||
389 | if (physmem_map(ega_ph_addr, scr_addr, ALIGN_UP(sz, PAGE_SIZE) >> |
433 | if (physmem_map(ega_ph_addr, scr_addr, ALIGN_UP(sz, PAGE_SIZE) >> |
390 | PAGE_WIDTH, AS_AREA_READ | AS_AREA_WRITE) != 0) |
434 | PAGE_WIDTH, AS_AREA_READ | AS_AREA_WRITE) != 0) |
391 | return -1; |
435 | return -1; |
392 | 436 | ||
393 | async_set_client_connection(ega_client_connection); |
437 | async_set_client_connection(ega_client_connection); |
394 | 438 | ||
395 | return 0; |
439 | return 0; |
396 | } |
440 | } |
397 | 441 | ||
398 | 442 | ||
399 | /** |
443 | /** |
400 | * @} |
444 | * @} |
401 | */ |
445 | */ |
402 | 446 |