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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 | #include <genarch/fb/font-8x16.h> |
29 | #include <genarch/fb/font-8x16.h> |
30 | #include <genarch/fb/fb.h> |
30 | #include <genarch/fb/fb.h> |
31 | #include <console/chardev.h> |
31 | #include <console/chardev.h> |
32 | #include <console/console.h> |
32 | #include <console/console.h> |
33 | #include <panic.h> |
33 | #include <panic.h> |
34 | #include <memstr.h> |
34 | #include <memstr.h> |
35 | 35 | ||
36 | #include "helenos.xbm" |
36 | #include "helenos.xbm" |
37 | 37 | ||
38 | SPINLOCK_INITIALIZE(fb_lock); |
38 | SPINLOCK_INITIALIZE(fb_lock); |
39 | 39 | ||
40 | static __u8 *fbaddress = NULL; |
40 | static __u8 *fbaddress = NULL; |
41 | 41 | ||
42 | static unsigned int xres = 0; |
42 | static unsigned int xres = 0; |
43 | static unsigned int yres = 0; |
43 | static unsigned int yres = 0; |
44 | static unsigned int scanline = 0; |
44 | static unsigned int scanline = 0; |
45 | static unsigned int pixelbytes = 0; |
45 | static unsigned int pixelbytes = 0; |
46 | 46 | ||
47 | static unsigned int position = 0; |
47 | static unsigned int position = 0; |
48 | static unsigned int columns = 0; |
48 | static unsigned int columns = 0; |
49 | static unsigned int rows = 0; |
49 | static unsigned int rows = 0; |
50 | 50 | ||
51 | 51 | ||
52 | #define COL_WIDTH 8 |
52 | #define COL_WIDTH 8 |
53 | #define ROW_BYTES (scanline * FONT_SCANLINES) |
53 | #define ROW_BYTES (scanline * FONT_SCANLINES) |
54 | 54 | ||
55 | #define BGCOLOR 0x000080 |
55 | #define BGCOLOR 0x000080 |
56 | #define FGCOLOR 0xffff00 |
56 | #define FGCOLOR 0xffff00 |
57 | #define LOGOCOLOR 0x2020b0 |
57 | #define LOGOCOLOR 0x2020b0 |
58 | 58 | ||
59 | #define RED(x, bits) ((x >> (16 + 8 - bits)) & ((1 << bits) - 1)) |
59 | #define RED(x, bits) ((x >> (16 + 8 - bits)) & ((1 << bits) - 1)) |
60 | #define GREEN(x, bits) ((x >> (8 + 8 - bits)) & ((1 << bits) - 1)) |
60 | #define GREEN(x, bits) ((x >> (8 + 8 - bits)) & ((1 << bits) - 1)) |
61 | #define BLUE(x, bits) ((x >> (8 - bits)) & ((1 << bits) - 1)) |
61 | #define BLUE(x, bits) ((x >> (8 - bits)) & ((1 << bits) - 1)) |
62 | 62 | ||
63 | #define POINTPOS(x, y) (y * scanline + x * pixelbytes) |
63 | #define POINTPOS(x, y) (y * scanline + x * pixelbytes) |
64 | 64 | ||
65 | /***************************************************************/ |
65 | /***************************************************************/ |
66 | /* Pixel specific fuctions */ |
66 | /* Pixel specific fuctions */ |
67 | 67 | ||
68 | static void (*putpixel)(unsigned int x, unsigned int y, int color); |
68 | static void (*putpixel)(unsigned int x, unsigned int y, int color); |
69 | static int (*getpixel)(unsigned int x, unsigned int y); |
69 | static int (*getpixel)(unsigned int x, unsigned int y); |
70 | 70 | ||
71 | /** Put pixel - 24-bit depth, 1 free byte */ |
71 | /** Put pixel - 24-bit depth, 1 free byte */ |
72 | static void putpixel_4byte(unsigned int x, unsigned int y, int color) |
72 | static void putpixel_4byte(unsigned int x, unsigned int y, int color) |
73 | { |
73 | { |
74 | *((__u32 *)(fbaddress + POINTPOS(x, y))) = color; |
74 | *((__u32 *)(fbaddress + POINTPOS(x, y))) = color; |
75 | } |
75 | } |
76 | 76 | ||
77 | /** Return pixel color - 24-bit depth, 1 free byte */ |
77 | /** Return pixel color - 24-bit depth, 1 free byte */ |
78 | static int getpixel_4byte(unsigned int x, unsigned int y) |
78 | static int getpixel_4byte(unsigned int x, unsigned int y) |
79 | { |
79 | { |
80 | return *((__u32 *)(fbaddress + POINTPOS(x, y))) & 0xffffff; |
80 | return *((__u32 *)(fbaddress + POINTPOS(x, y))) & 0xffffff; |
81 | } |
81 | } |
82 | 82 | ||
83 | /** Put pixel - 24-bit depth */ |
83 | /** Put pixel - 24-bit depth */ |
84 | static void putpixel_3byte(unsigned int x, unsigned int y, int color) |
84 | static void putpixel_3byte(unsigned int x, unsigned int y, int color) |
85 | { |
85 | { |
86 | unsigned int startbyte = POINTPOS(x, y); |
86 | unsigned int startbyte = POINTPOS(x, y); |
87 | 87 | ||
88 | fbaddress[startbyte] = RED(color, 8); |
88 | fbaddress[startbyte] = RED(color, 8); |
89 | fbaddress[startbyte + 1] = GREEN(color, 8); |
89 | fbaddress[startbyte + 1] = GREEN(color, 8); |
90 | fbaddress[startbyte + 2] = BLUE(color, 8); |
90 | fbaddress[startbyte + 2] = BLUE(color, 8); |
91 | } |
91 | } |
92 | 92 | ||
93 | /** Return pixel color - 24-bit depth */ |
93 | /** Return pixel color - 24-bit depth */ |
94 | static int getpixel_3byte(unsigned int x, unsigned int y) |
94 | static int getpixel_3byte(unsigned int x, unsigned int y) |
95 | { |
95 | { |
96 | unsigned int startbyte = POINTPOS(x, y); |
96 | unsigned int startbyte = POINTPOS(x, y); |
97 | 97 | ||
98 | return fbaddress[startbyte] << 16 | fbaddress[startbyte + 1] << 8 | fbaddress[startbyte + 2]; |
98 | return fbaddress[startbyte] << 16 | fbaddress[startbyte + 1] << 8 | fbaddress[startbyte + 2]; |
99 | } |
99 | } |
100 | 100 | ||
101 | /** Put pixel - 16-bit depth (5:6:6) */ |
101 | /** Put pixel - 16-bit depth (5:6:6) */ |
102 | static void putpixel_2byte(unsigned int x, unsigned int y, int color) |
102 | static void putpixel_2byte(unsigned int x, unsigned int y, int color) |
103 | { |
103 | { |
104 | /* 5-bit, 5-bits, 5-bits */ |
104 | /* 5-bit, 5-bits, 5-bits */ |
105 | *((__u16 *)(fbaddress + POINTPOS(x, y))) = RED(color, 5) << 11 | GREEN(color, 6) << 5 | BLUE(color, 5); |
105 | *((__u16 *)(fbaddress + POINTPOS(x, y))) = RED(color, 5) << 11 | GREEN(color, 6) << 5 | BLUE(color, 5); |
106 | } |
106 | } |
107 | 107 | ||
108 | /** Return pixel color - 16-bit depth (5:6:6) */ |
108 | /** Return pixel color - 16-bit depth (5:6:6) */ |
109 | static int getpixel_2byte(unsigned int x, unsigned int y) |
109 | static int getpixel_2byte(unsigned int x, unsigned int y) |
110 | { |
110 | { |
111 | int color = *((__u16 *)(fbaddress + POINTPOS(x, y))); |
111 | int color = *((__u16 *)(fbaddress + POINTPOS(x, y))); |
112 | return (((color >> 11) & 0x1f) << (16 + 3)) | (((color >> 5) & 0x3f) << (8 + 2)) | ((color & 0x1f) << 3); |
112 | return (((color >> 11) & 0x1f) << (16 + 3)) | (((color >> 5) & 0x3f) << (8 + 2)) | ((color & 0x1f) << 3); |
113 | } |
113 | } |
114 | 114 | ||
115 | /** Put pixel - 8-bit depth (3:2:3) */ |
115 | /** Put pixel - 8-bit depth (3:2:3) */ |
116 | static void putpixel_1byte(unsigned int x, unsigned int y, int color) |
116 | static void putpixel_1byte(unsigned int x, unsigned int y, int color) |
117 | { |
117 | { |
118 | fbaddress[POINTPOS(x, y)] = RED(color, 3) << 5 | GREEN(color, 2) << 3 | BLUE(color, 3); |
118 | fbaddress[POINTPOS(x, y)] = RED(color, 3) << 5 | GREEN(color, 2) << 3 | BLUE(color, 3); |
119 | } |
119 | } |
120 | 120 | ||
121 | /** Return pixel color - 8-bit depth (3:2:3) */ |
121 | /** Return pixel color - 8-bit depth (3:2:3) */ |
122 | static int getpixel_1byte(unsigned int x, unsigned int y) |
122 | static int getpixel_1byte(unsigned int x, unsigned int y) |
123 | { |
123 | { |
124 | int color = fbaddress[POINTPOS(x, y)]; |
124 | int color = fbaddress[POINTPOS(x, y)]; |
125 | return (((color >> 5) & 0x7) << (16 + 5)) | (((color >> 3) & 0x3) << (8 + 6)) | ((color & 0x7) << 5); |
125 | return (((color >> 5) & 0x7) << (16 + 5)) | (((color >> 3) & 0x3) << (8 + 6)) | ((color & 0x7) << 5); |
126 | } |
126 | } |
127 | 127 | ||
128 | /** Fill line with color BGCOLOR */ |
128 | /** Fill line with color BGCOLOR */ |
129 | static void clear_line(unsigned int y) |
129 | static void clear_line(unsigned int y) |
130 | { |
130 | { |
131 | unsigned int x; |
131 | unsigned int x; |
132 | 132 | ||
133 | for (x = 0; x < xres; x++) |
133 | for (x = 0; x < xres; x++) |
134 | (*putpixel)(x, y, BGCOLOR); |
134 | (*putpixel)(x, y, BGCOLOR); |
135 | } |
135 | } |
136 | 136 | ||
137 | 137 | ||
138 | /** Fill screen with background color */ |
138 | /** Fill screen with background color */ |
139 | static void clear_screen(void) |
139 | static void clear_screen(void) |
140 | { |
140 | { |
141 | unsigned int y; |
141 | unsigned int y; |
142 | 142 | ||
143 | for (y = 0; y < yres; y++) |
143 | for (y = 0; y < yres; y++) |
144 | clear_line(y); |
144 | clear_line(y); |
145 | } |
145 | } |
146 | 146 | ||
147 | 147 | ||
148 | /** Scroll screen one row up */ |
148 | /** Scroll screen one row up */ |
149 | static void scroll_screen(void) |
149 | static void scroll_screen(void) |
150 | { |
150 | { |
151 | unsigned int i; |
151 | unsigned int i; |
152 | 152 | ||
153 | memcpy((void *) fbaddress, (void *) &fbaddress[ROW_BYTES], scanline * yres - ROW_BYTES); |
153 | memcpy((void *) fbaddress, (void *) &fbaddress[ROW_BYTES], scanline * yres - ROW_BYTES); |
154 | 154 | ||
155 | /* Clear last row */ |
155 | /* Clear last row */ |
156 | for (i = 0; i < FONT_SCANLINES; i++) |
156 | for (i = 0; i < FONT_SCANLINES; i++) |
157 | clear_line((rows - 1) * FONT_SCANLINES + i); |
157 | clear_line((rows - 1) * FONT_SCANLINES + i); |
158 | } |
158 | } |
159 | 159 | ||
160 | 160 | ||
161 | static void invert_pixel(unsigned int x, unsigned int y) |
161 | static void invert_pixel(unsigned int x, unsigned int y) |
162 | { |
162 | { |
163 | (*putpixel)(x, y, ~(*getpixel)(x, y)); |
163 | (*putpixel)(x, y, ~(*getpixel)(x, y)); |
164 | } |
164 | } |
165 | 165 | ||
166 | 166 | ||
167 | /** Draw one line of glyph at a given position */ |
167 | /** Draw one line of glyph at a given position */ |
168 | static void draw_glyph_line(unsigned int glline, unsigned int x, unsigned int y) |
168 | static void draw_glyph_line(unsigned int glline, unsigned int x, unsigned int y) |
169 | { |
169 | { |
170 | unsigned int i; |
170 | unsigned int i; |
171 | 171 | ||
172 | for (i = 0; i < 8; i++) |
172 | for (i = 0; i < 8; i++) |
173 | if (glline & (1 << (7 - i))) { |
173 | if (glline & (1 << (7 - i))) { |
174 | (*putpixel)(x + i, y, FGCOLOR); |
174 | (*putpixel)(x + i, y, FGCOLOR); |
175 | } else |
175 | } else |
176 | (*putpixel)(x + i, y, BGCOLOR); |
176 | (*putpixel)(x + i, y, BGCOLOR); |
177 | } |
177 | } |
178 | 178 | ||
179 | /***************************************************************/ |
179 | /***************************************************************/ |
180 | /* Character-console functions */ |
180 | /* Character-console functions */ |
181 | 181 | ||
182 | /** Draw character at given position */ |
182 | /** Draw character at given position */ |
183 | static void draw_glyph(__u8 glyph, unsigned int col, unsigned int row) |
183 | static void draw_glyph(__u8 glyph, unsigned int col, unsigned int row) |
184 | { |
184 | { |
185 | unsigned int y; |
185 | unsigned int y; |
186 | 186 | ||
187 | for (y = 0; y < FONT_SCANLINES; y++) |
187 | for (y = 0; y < FONT_SCANLINES; y++) |
188 | draw_glyph_line(fb_font[glyph * FONT_SCANLINES + y], col * COL_WIDTH, row * FONT_SCANLINES + y); |
188 | draw_glyph_line(fb_font[glyph * FONT_SCANLINES + y], col * COL_WIDTH, row * FONT_SCANLINES + y); |
189 | } |
189 | } |
190 | 190 | ||
191 | /** Invert character at given position */ |
191 | /** Invert character at given position */ |
192 | static void invert_char(unsigned int col, unsigned int row) |
192 | static void invert_char(unsigned int col, unsigned int row) |
193 | { |
193 | { |
194 | unsigned int x; |
194 | unsigned int x; |
195 | unsigned int y; |
195 | unsigned int y; |
196 | 196 | ||
197 | for (x = 0; x < COL_WIDTH; x++) |
197 | for (x = 0; x < COL_WIDTH; x++) |
198 | for (y = 0; y < FONT_SCANLINES; y++) |
198 | for (y = 0; y < FONT_SCANLINES; y++) |
199 | invert_pixel(col * COL_WIDTH + x, row * FONT_SCANLINES + y); |
199 | invert_pixel(col * COL_WIDTH + x, row * FONT_SCANLINES + y); |
200 | } |
200 | } |
201 | 201 | ||
202 | /** Draw character at default position */ |
202 | /** Draw character at default position */ |
203 | static void draw_char(char chr) |
203 | static void draw_char(char chr) |
204 | { |
204 | { |
205 | draw_glyph(chr, position % columns, position / columns); |
205 | draw_glyph(chr, position % columns, position / columns); |
206 | } |
206 | } |
207 | 207 | ||
208 | static void draw_logo(unsigned int startx, unsigned int starty) |
208 | static void draw_logo(unsigned int startx, unsigned int starty) |
209 | { |
209 | { |
210 | unsigned int x; |
210 | unsigned int x; |
211 | unsigned int y; |
211 | unsigned int y; |
212 | unsigned int byte; |
212 | unsigned int byte; |
213 | unsigned int rowbytes; |
213 | unsigned int rowbytes; |
214 | 214 | ||
215 | rowbytes = (helenos_width - 1) / 8 + 1; |
215 | rowbytes = (helenos_width - 1) / 8 + 1; |
216 | 216 | ||
217 | for (y = 0; y < helenos_height; y++) |
217 | for (y = 0; y < helenos_height; y++) |
218 | for (x = 0; x < helenos_width; x++) { |
218 | for (x = 0; x < helenos_width; x++) { |
219 | byte = helenos_bits[rowbytes * y + x / 8]; |
219 | byte = helenos_bits[rowbytes * y + x / 8]; |
220 | byte >>= x % 8; |
220 | byte >>= x % 8; |
221 | if (byte & 1) |
221 | if (byte & 1) |
222 | (*putpixel)(startx + x, starty + y, LOGOCOLOR); |
222 | (*putpixel)(startx + x, starty + y, LOGOCOLOR); |
223 | } |
223 | } |
224 | } |
224 | } |
225 | 225 | ||
226 | /***************************************************************/ |
226 | /***************************************************************/ |
227 | /* Stdout specific functions */ |
227 | /* Stdout specific functions */ |
228 | 228 | ||
229 | static void invert_cursor(void) |
229 | static void invert_cursor(void) |
230 | { |
230 | { |
231 | invert_char(position % columns, position / columns); |
231 | invert_char(position % columns, position / columns); |
232 | } |
232 | } |
233 | 233 | ||
234 | /** Print character to screen |
234 | /** Print character to screen |
235 | * |
235 | * |
236 | * Emulate basic terminal commands |
236 | * Emulate basic terminal commands |
237 | */ |
237 | */ |
238 | static void fb_putchar(chardev_t *dev, char ch) |
238 | static void fb_putchar(chardev_t *dev, char ch) |
239 | { |
239 | { |
240 | spinlock_lock(&fb->lock); |
240 | spinlock_lock(&fb_lock); |
241 | 241 | ||
242 | switch (ch) { |
242 | switch (ch) { |
243 | case '\n': |
243 | case '\n': |
244 | invert_cursor(); |
244 | invert_cursor(); |
245 | position += columns; |
245 | position += columns; |
246 | position -= position % columns; |
246 | position -= position % columns; |
247 | break; |
247 | break; |
248 | case '\r': |
248 | case '\r': |
249 | invert_cursor(); |
249 | invert_cursor(); |
250 | position -= position % columns; |
250 | position -= position % columns; |
251 | break; |
251 | break; |
252 | case '\b': |
252 | case '\b': |
253 | invert_cursor(); |
253 | invert_cursor(); |
254 | if (position % columns) |
254 | if (position % columns) |
255 | position--; |
255 | position--; |
256 | break; |
256 | break; |
257 | case '\t': |
257 | case '\t': |
258 | invert_cursor(); |
258 | invert_cursor(); |
259 | do { |
259 | do { |
260 | draw_char(' '); |
260 | draw_char(' '); |
261 | position++; |
261 | position++; |
262 | } while (position % 8); |
262 | } while (position % 8); |
263 | break; |
263 | break; |
264 | default: |
264 | default: |
265 | draw_char(ch); |
265 | draw_char(ch); |
266 | position++; |
266 | position++; |
267 | } |
267 | } |
268 | 268 | ||
269 | if (position >= columns * rows) { |
269 | if (position >= columns * rows) { |
270 | position -= columns; |
270 | position -= columns; |
271 | scroll_screen(); |
271 | scroll_screen(); |
272 | } |
272 | } |
273 | 273 | ||
274 | invert_cursor(); |
274 | invert_cursor(); |
275 | 275 | ||
276 | spinlock_unlock(&fb->lock); |
276 | spinlock_unlock(&fb_lock); |
277 | } |
277 | } |
278 | 278 | ||
279 | static chardev_t framebuffer; |
279 | static chardev_t framebuffer; |
280 | static chardev_operations_t fb_ops = { |
280 | static chardev_operations_t fb_ops = { |
281 | .write = fb_putchar, |
281 | .write = fb_putchar, |
282 | }; |
282 | }; |
283 | 283 | ||
284 | 284 | ||
285 | /** Initialize framebuffer as a chardev output device |
285 | /** Initialize framebuffer as a chardev output device |
286 | * |
286 | * |
287 | * @param addr Address of theframebuffer |
287 | * @param addr Address of theframebuffer |
288 | * @param x Screen width in pixels |
288 | * @param x Screen width in pixels |
289 | * @param y Screen height in pixels |
289 | * @param y Screen height in pixels |
290 | * @param bpp Bits per pixel (8, 16, 24, 32) |
290 | * @param bpp Bits per pixel (8, 16, 24, 32) |
291 | * @param scan Bytes per one scanline |
291 | * @param scan Bytes per one scanline |
292 | * |
292 | * |
293 | */ |
293 | */ |
294 | void fb_init(__address addr, unsigned int x, unsigned int y, unsigned int bpp, unsigned int scan) |
294 | void fb_init(__address addr, unsigned int x, unsigned int y, unsigned int bpp, unsigned int scan) |
295 | { |
295 | { |
296 | switch (bpp) { |
296 | switch (bpp) { |
297 | case 8: |
297 | case 8: |
298 | putpixel = putpixel_1byte; |
298 | putpixel = putpixel_1byte; |
299 | getpixel = getpixel_1byte; |
299 | getpixel = getpixel_1byte; |
300 | pixelbytes = 1; |
300 | pixelbytes = 1; |
301 | break; |
301 | break; |
302 | case 16: |
302 | case 16: |
303 | putpixel = putpixel_2byte; |
303 | putpixel = putpixel_2byte; |
304 | getpixel = getpixel_2byte; |
304 | getpixel = getpixel_2byte; |
305 | pixelbytes = 2; |
305 | pixelbytes = 2; |
306 | break; |
306 | break; |
307 | case 24: |
307 | case 24: |
308 | putpixel = putpixel_3byte; |
308 | putpixel = putpixel_3byte; |
309 | getpixel = getpixel_3byte; |
309 | getpixel = getpixel_3byte; |
310 | pixelbytes = 3; |
310 | pixelbytes = 3; |
311 | break; |
311 | break; |
312 | case 32: |
312 | case 32: |
313 | putpixel = putpixel_4byte; |
313 | putpixel = putpixel_4byte; |
314 | getpixel = getpixel_4byte; |
314 | getpixel = getpixel_4byte; |
315 | pixelbytes = 4; |
315 | pixelbytes = 4; |
316 | break; |
316 | break; |
317 | default: |
317 | default: |
318 | panic("Unsupported bpp"); |
318 | panic("Unsupported bpp"); |
319 | } |
319 | } |
320 | 320 | ||
321 | fbaddress = (unsigned char *) addr; |
321 | fbaddress = (unsigned char *) addr; |
322 | xres = x; |
322 | xres = x; |
323 | yres = y; |
323 | yres = y; |
324 | scanline = scan; |
324 | scanline = scan; |
325 | 325 | ||
326 | rows = y / FONT_SCANLINES; |
326 | rows = y / FONT_SCANLINES; |
327 | columns = x / COL_WIDTH; |
327 | columns = x / COL_WIDTH; |
328 | 328 | ||
329 | clear_screen(); |
329 | clear_screen(); |
330 | draw_logo(xres - helenos_width, 0); |
330 | draw_logo(xres - helenos_width, 0); |
331 | invert_cursor(); |
331 | invert_cursor(); |
332 | 332 | ||
333 | chardev_initialize("fb", &framebuffer, &fb_ops); |
333 | chardev_initialize("fb", &framebuffer, &fb_ops); |
334 | stdout = &framebuffer; |
334 | stdout = &framebuffer; |
335 | } |
335 | } |
336 | 336 |