Rev 2015 | Rev 2071 | Go to most recent revision | Show entire file | Ignore whitespace | Details | Blame | Last modification | View Log | RSS feed
Rev 2015 | Rev 2025 | ||
---|---|---|---|
Line 80... | Line 80... | ||
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) |
Line 201... | Line 204... | ||
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: |
Line 235... | Line 240... | ||
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; |
Line 293... | Line 298... | ||
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")); |