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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 <sysinfo/sysinfo.h> |
|
33 | #include <mm/slab.h> |
34 | #include <mm/slab.h> |
34 | #include <panic.h> |
35 | #include <panic.h> |
35 | #include <memstr.h> |
36 | #include <memstr.h> |
36 | #include <config.h> |
37 | #include <config.h> |
37 | 38 | ||
38 | #include "helenos.xbm" |
39 | #include "helenos.xbm" |
39 | 40 | ||
40 | SPINLOCK_INITIALIZE(fb_lock); |
41 | SPINLOCK_INITIALIZE(fb_lock); |
41 | 42 | ||
42 | static __u8 *fbaddress = NULL; |
43 | static __u8 *fbaddress = NULL; |
43 | 44 | ||
44 | static __u8 *blankline = NULL; |
45 | static __u8 *blankline = NULL; |
45 | 46 | ||
46 | static unsigned int xres = 0; |
47 | static unsigned int xres = 0; |
47 | static unsigned int yres = 0; |
48 | static unsigned int yres = 0; |
48 | static unsigned int scanline = 0; |
49 | static unsigned int scanline = 0; |
49 | static unsigned int pixelbytes = 0; |
50 | static unsigned int pixelbytes = 0; |
50 | 51 | ||
51 | static unsigned int position = 0; |
52 | static unsigned int position = 0; |
52 | static unsigned int columns = 0; |
53 | static unsigned int columns = 0; |
53 | static unsigned int rows = 0; |
54 | static unsigned int rows = 0; |
54 | 55 | ||
55 | 56 | ||
56 | #define COL_WIDTH 8 |
57 | #define COL_WIDTH 8 |
57 | #define ROW_BYTES (scanline * FONT_SCANLINES) |
58 | #define ROW_BYTES (scanline * FONT_SCANLINES) |
58 | 59 | ||
59 | #define BGCOLOR 0x000080 |
60 | #define BGCOLOR 0x000080 |
60 | #define FGCOLOR 0xffff00 |
61 | #define FGCOLOR 0xffff00 |
61 | #define LOGOCOLOR 0x2020b0 |
62 | #define LOGOCOLOR 0x2020b0 |
62 | 63 | ||
63 | #define RED(x, bits) ((x >> (16 + 8 - bits)) & ((1 << bits) - 1)) |
64 | #define RED(x, bits) ((x >> (16 + 8 - bits)) & ((1 << bits) - 1)) |
64 | #define GREEN(x, bits) ((x >> (8 + 8 - bits)) & ((1 << bits) - 1)) |
65 | #define GREEN(x, bits) ((x >> (8 + 8 - bits)) & ((1 << bits) - 1)) |
65 | #define BLUE(x, bits) ((x >> (8 - bits)) & ((1 << bits) - 1)) |
66 | #define BLUE(x, bits) ((x >> (8 - bits)) & ((1 << bits) - 1)) |
66 | 67 | ||
67 | #define POINTPOS(x, y) (y * scanline + x * pixelbytes) |
68 | #define POINTPOS(x, y) (y * scanline + x * pixelbytes) |
68 | 69 | ||
69 | /***************************************************************/ |
70 | /***************************************************************/ |
70 | /* Pixel specific fuctions */ |
71 | /* Pixel specific fuctions */ |
71 | 72 | ||
72 | static void (*putpixel)(unsigned int x, unsigned int y, int color); |
73 | static void (*putpixel)(unsigned int x, unsigned int y, int color); |
73 | static int (*getpixel)(unsigned int x, unsigned int y); |
74 | static int (*getpixel)(unsigned int x, unsigned int y); |
74 | 75 | ||
75 | /** Put pixel - 24-bit depth, 1 free byte */ |
76 | /** Put pixel - 24-bit depth, 1 free byte */ |
76 | static void putpixel_4byte(unsigned int x, unsigned int y, int color) |
77 | static void putpixel_4byte(unsigned int x, unsigned int y, int color) |
77 | { |
78 | { |
78 | *((__u32 *)(fbaddress + POINTPOS(x, y))) = color; |
79 | *((__u32 *)(fbaddress + POINTPOS(x, y))) = color; |
79 | } |
80 | } |
80 | 81 | ||
81 | /** Return pixel color - 24-bit depth, 1 free byte */ |
82 | /** Return pixel color - 24-bit depth, 1 free byte */ |
82 | static int getpixel_4byte(unsigned int x, unsigned int y) |
83 | static int getpixel_4byte(unsigned int x, unsigned int y) |
83 | { |
84 | { |
84 | return *((__u32 *)(fbaddress + POINTPOS(x, y))) & 0xffffff; |
85 | return *((__u32 *)(fbaddress + POINTPOS(x, y))) & 0xffffff; |
85 | } |
86 | } |
86 | 87 | ||
87 | /** Put pixel - 24-bit depth */ |
88 | /** Put pixel - 24-bit depth */ |
88 | static void putpixel_3byte(unsigned int x, unsigned int y, int color) |
89 | static void putpixel_3byte(unsigned int x, unsigned int y, int color) |
89 | { |
90 | { |
90 | unsigned int startbyte = POINTPOS(x, y); |
91 | unsigned int startbyte = POINTPOS(x, y); |
91 | 92 | ||
92 | #ifdef BIG_ENDIAN |
93 | #ifdef BIG_ENDIAN |
93 | fbaddress[startbyte] = RED(color, 8); |
94 | fbaddress[startbyte] = RED(color, 8); |
94 | fbaddress[startbyte + 1] = GREEN(color, 8); |
95 | fbaddress[startbyte + 1] = GREEN(color, 8); |
95 | fbaddress[startbyte + 2] = BLUE(color, 8); |
96 | fbaddress[startbyte + 2] = BLUE(color, 8); |
96 | #else |
97 | #else |
97 | fbaddress[startbyte + 2] = RED(color, 8); |
98 | fbaddress[startbyte + 2] = RED(color, 8); |
98 | fbaddress[startbyte + 1] = GREEN(color, 8); |
99 | fbaddress[startbyte + 1] = GREEN(color, 8); |
99 | fbaddress[startbyte + 0] = BLUE(color, 8); |
100 | fbaddress[startbyte + 0] = BLUE(color, 8); |
100 | #endif |
101 | #endif |
101 | } |
102 | } |
102 | 103 | ||
103 | /** Return pixel color - 24-bit depth */ |
104 | /** Return pixel color - 24-bit depth */ |
104 | static int getpixel_3byte(unsigned int x, unsigned int y) |
105 | static int getpixel_3byte(unsigned int x, unsigned int y) |
105 | { |
106 | { |
106 | unsigned int startbyte = POINTPOS(x, y); |
107 | unsigned int startbyte = POINTPOS(x, y); |
107 | 108 | ||
108 | #ifdef BIG_ENDIAN |
109 | #ifdef BIG_ENDIAN |
109 | return fbaddress[startbyte] << 16 | fbaddress[startbyte + 1] << 8 | fbaddress[startbyte + 2]; |
110 | return fbaddress[startbyte] << 16 | fbaddress[startbyte + 1] << 8 | fbaddress[startbyte + 2]; |
110 | #else |
111 | #else |
111 | return fbaddress[startbyte + 2] << 16 | fbaddress[startbyte + 1] << 8 | fbaddress[startbyte + 0]; |
112 | return fbaddress[startbyte + 2] << 16 | fbaddress[startbyte + 1] << 8 | fbaddress[startbyte + 0]; |
112 | #endif |
113 | #endif |
113 | } |
114 | } |
114 | 115 | ||
115 | /** Put pixel - 16-bit depth (5:6:6) */ |
116 | /** Put pixel - 16-bit depth (5:6:6) */ |
116 | static void putpixel_2byte(unsigned int x, unsigned int y, int color) |
117 | static void putpixel_2byte(unsigned int x, unsigned int y, int color) |
117 | { |
118 | { |
118 | /* 5-bit, 5-bits, 5-bits */ |
119 | /* 5-bit, 5-bits, 5-bits */ |
119 | *((__u16 *)(fbaddress + POINTPOS(x, y))) = RED(color, 5) << 11 | GREEN(color, 6) << 5 | BLUE(color, 5); |
120 | *((__u16 *)(fbaddress + POINTPOS(x, y))) = RED(color, 5) << 11 | GREEN(color, 6) << 5 | BLUE(color, 5); |
120 | } |
121 | } |
121 | 122 | ||
122 | /** Return pixel color - 16-bit depth (5:6:6) */ |
123 | /** Return pixel color - 16-bit depth (5:6:6) */ |
123 | static int getpixel_2byte(unsigned int x, unsigned int y) |
124 | static int getpixel_2byte(unsigned int x, unsigned int y) |
124 | { |
125 | { |
125 | int color = *((__u16 *)(fbaddress + POINTPOS(x, y))); |
126 | int color = *((__u16 *)(fbaddress + POINTPOS(x, y))); |
126 | return (((color >> 11) & 0x1f) << (16 + 3)) | (((color >> 5) & 0x3f) << (8 + 2)) | ((color & 0x1f) << 3); |
127 | return (((color >> 11) & 0x1f) << (16 + 3)) | (((color >> 5) & 0x3f) << (8 + 2)) | ((color & 0x1f) << 3); |
127 | } |
128 | } |
128 | 129 | ||
129 | /** Put pixel - 8-bit depth (3:2:3) */ |
130 | /** Put pixel - 8-bit depth (3:2:3) */ |
130 | static void putpixel_1byte(unsigned int x, unsigned int y, int color) |
131 | static void putpixel_1byte(unsigned int x, unsigned int y, int color) |
131 | { |
132 | { |
132 | fbaddress[POINTPOS(x, y)] = RED(color, 3) << 5 | GREEN(color, 2) << 3 | BLUE(color, 3); |
133 | fbaddress[POINTPOS(x, y)] = RED(color, 3) << 5 | GREEN(color, 2) << 3 | BLUE(color, 3); |
133 | } |
134 | } |
134 | 135 | ||
135 | /** Return pixel color - 8-bit depth (3:2:3) */ |
136 | /** Return pixel color - 8-bit depth (3:2:3) */ |
136 | static int getpixel_1byte(unsigned int x, unsigned int y) |
137 | static int getpixel_1byte(unsigned int x, unsigned int y) |
137 | { |
138 | { |
138 | int color = fbaddress[POINTPOS(x, y)]; |
139 | int color = fbaddress[POINTPOS(x, y)]; |
139 | return (((color >> 5) & 0x7) << (16 + 5)) | (((color >> 3) & 0x3) << (8 + 6)) | ((color & 0x7) << 5); |
140 | return (((color >> 5) & 0x7) << (16 + 5)) | (((color >> 3) & 0x3) << (8 + 6)) | ((color & 0x7) << 5); |
140 | } |
141 | } |
141 | 142 | ||
142 | /** Fill line with color BGCOLOR */ |
143 | /** Fill line with color BGCOLOR */ |
143 | static void clear_line(unsigned int y) |
144 | static void clear_line(unsigned int y) |
144 | { |
145 | { |
145 | unsigned int x; |
146 | unsigned int x; |
146 | 147 | ||
147 | for (x = 0; x < xres; x++) |
148 | for (x = 0; x < xres; x++) |
148 | (*putpixel)(x, y, BGCOLOR); |
149 | (*putpixel)(x, y, BGCOLOR); |
149 | } |
150 | } |
150 | 151 | ||
151 | 152 | ||
152 | /** Fill screen with background color */ |
153 | /** Fill screen with background color */ |
153 | static void clear_screen(void) |
154 | static void clear_screen(void) |
154 | { |
155 | { |
155 | unsigned int y; |
156 | unsigned int y; |
156 | 157 | ||
157 | for (y = 0; y < yres; y++) |
158 | for (y = 0; y < yres; y++) |
158 | clear_line(y); |
159 | clear_line(y); |
159 | } |
160 | } |
160 | 161 | ||
161 | 162 | ||
162 | /** Scroll screen one row up */ |
163 | /** Scroll screen one row up */ |
163 | static void scroll_screen(void) |
164 | static void scroll_screen(void) |
164 | { |
165 | { |
165 | unsigned int i; |
166 | unsigned int i; |
166 | __u8 *lastline = &fbaddress[(rows - 1) * ROW_BYTES]; |
167 | __u8 *lastline = &fbaddress[(rows - 1) * ROW_BYTES]; |
167 | 168 | ||
168 | memcpy((void *) fbaddress, (void *) &fbaddress[ROW_BYTES], scanline * yres - ROW_BYTES); |
169 | memcpy((void *) fbaddress, (void *) &fbaddress[ROW_BYTES], scanline * yres - ROW_BYTES); |
169 | 170 | ||
170 | /* Clear last row */ |
171 | /* Clear last row */ |
171 | if (blankline) { |
172 | if (blankline) { |
172 | memcpy((void *) lastline, (void *) blankline, ROW_BYTES); |
173 | memcpy((void *) lastline, (void *) blankline, ROW_BYTES); |
173 | } else { |
174 | } else { |
174 | for (i = 0; i < FONT_SCANLINES; i++) |
175 | for (i = 0; i < FONT_SCANLINES; i++) |
175 | clear_line((rows - 1) * FONT_SCANLINES + i); |
176 | clear_line((rows - 1) * FONT_SCANLINES + i); |
176 | 177 | ||
177 | if (config.mm_initialized) { |
178 | if (config.mm_initialized) { |
178 | /* Save a blank line aside. */ |
179 | /* Save a blank line aside. */ |
179 | blankline = (__u8 *) malloc(ROW_BYTES, FRAME_ATOMIC); |
180 | blankline = (__u8 *) malloc(ROW_BYTES, FRAME_ATOMIC); |
180 | if (blankline) |
181 | if (blankline) |
181 | memcpy((void *) blankline, (void *) lastline, ROW_BYTES); |
182 | memcpy((void *) blankline, (void *) lastline, ROW_BYTES); |
182 | } |
183 | } |
183 | } |
184 | } |
184 | } |
185 | } |
185 | 186 | ||
186 | 187 | ||
187 | static void invert_pixel(unsigned int x, unsigned int y) |
188 | static void invert_pixel(unsigned int x, unsigned int y) |
188 | { |
189 | { |
189 | (*putpixel)(x, y, ~(*getpixel)(x, y)); |
190 | (*putpixel)(x, y, ~(*getpixel)(x, y)); |
190 | } |
191 | } |
191 | 192 | ||
192 | 193 | ||
193 | /** Draw one line of glyph at a given position */ |
194 | /** Draw one line of glyph at a given position */ |
194 | static void draw_glyph_line(unsigned int glline, unsigned int x, unsigned int y) |
195 | static void draw_glyph_line(unsigned int glline, unsigned int x, unsigned int y) |
195 | { |
196 | { |
196 | unsigned int i; |
197 | unsigned int i; |
197 | 198 | ||
198 | for (i = 0; i < 8; i++) |
199 | for (i = 0; i < 8; i++) |
199 | if (glline & (1 << (7 - i))) { |
200 | if (glline & (1 << (7 - i))) { |
200 | (*putpixel)(x + i, y, FGCOLOR); |
201 | (*putpixel)(x + i, y, FGCOLOR); |
201 | } else |
202 | } else |
202 | (*putpixel)(x + i, y, BGCOLOR); |
203 | (*putpixel)(x + i, y, BGCOLOR); |
203 | } |
204 | } |
204 | 205 | ||
205 | /***************************************************************/ |
206 | /***************************************************************/ |
206 | /* Character-console functions */ |
207 | /* Character-console functions */ |
207 | 208 | ||
208 | /** Draw character at given position */ |
209 | /** Draw character at given position */ |
209 | static void draw_glyph(__u8 glyph, unsigned int col, unsigned int row) |
210 | static void draw_glyph(__u8 glyph, unsigned int col, unsigned int row) |
210 | { |
211 | { |
211 | unsigned int y; |
212 | unsigned int y; |
212 | 213 | ||
213 | for (y = 0; y < FONT_SCANLINES; y++) |
214 | for (y = 0; y < FONT_SCANLINES; y++) |
214 | draw_glyph_line(fb_font[glyph * FONT_SCANLINES + y], col * COL_WIDTH, row * FONT_SCANLINES + y); |
215 | draw_glyph_line(fb_font[glyph * FONT_SCANLINES + y], col * COL_WIDTH, row * FONT_SCANLINES + y); |
215 | } |
216 | } |
216 | 217 | ||
217 | /** Invert character at given position */ |
218 | /** Invert character at given position */ |
218 | static void invert_char(unsigned int col, unsigned int row) |
219 | static void invert_char(unsigned int col, unsigned int row) |
219 | { |
220 | { |
220 | unsigned int x; |
221 | unsigned int x; |
221 | unsigned int y; |
222 | unsigned int y; |
222 | 223 | ||
223 | for (x = 0; x < COL_WIDTH; x++) |
224 | for (x = 0; x < COL_WIDTH; x++) |
224 | for (y = 0; y < FONT_SCANLINES; y++) |
225 | for (y = 0; y < FONT_SCANLINES; y++) |
225 | invert_pixel(col * COL_WIDTH + x, row * FONT_SCANLINES + y); |
226 | invert_pixel(col * COL_WIDTH + x, row * FONT_SCANLINES + y); |
226 | } |
227 | } |
227 | 228 | ||
228 | /** Draw character at default position */ |
229 | /** Draw character at default position */ |
229 | static void draw_char(char chr) |
230 | static void draw_char(char chr) |
230 | { |
231 | { |
231 | draw_glyph(chr, position % columns, position / columns); |
232 | draw_glyph(chr, position % columns, position / columns); |
232 | } |
233 | } |
233 | 234 | ||
234 | static void draw_logo(unsigned int startx, unsigned int starty) |
235 | static void draw_logo(unsigned int startx, unsigned int starty) |
235 | { |
236 | { |
236 | unsigned int x; |
237 | unsigned int x; |
237 | unsigned int y; |
238 | unsigned int y; |
238 | unsigned int byte; |
239 | unsigned int byte; |
239 | unsigned int rowbytes; |
240 | unsigned int rowbytes; |
240 | 241 | ||
241 | rowbytes = (helenos_width - 1) / 8 + 1; |
242 | rowbytes = (helenos_width - 1) / 8 + 1; |
242 | 243 | ||
243 | for (y = 0; y < helenos_height; y++) |
244 | for (y = 0; y < helenos_height; y++) |
244 | for (x = 0; x < helenos_width; x++) { |
245 | for (x = 0; x < helenos_width; x++) { |
245 | byte = helenos_bits[rowbytes * y + x / 8]; |
246 | byte = helenos_bits[rowbytes * y + x / 8]; |
246 | byte >>= x % 8; |
247 | byte >>= x % 8; |
247 | if (byte & 1) |
248 | if (byte & 1) |
248 | (*putpixel)(startx + x, starty + y, LOGOCOLOR); |
249 | (*putpixel)(startx + x, starty + y, LOGOCOLOR); |
249 | } |
250 | } |
250 | } |
251 | } |
251 | 252 | ||
252 | /***************************************************************/ |
253 | /***************************************************************/ |
253 | /* Stdout specific functions */ |
254 | /* Stdout specific functions */ |
254 | 255 | ||
255 | static void invert_cursor(void) |
256 | static void invert_cursor(void) |
256 | { |
257 | { |
257 | invert_char(position % columns, position / columns); |
258 | invert_char(position % columns, position / columns); |
258 | } |
259 | } |
259 | 260 | ||
260 | /** Print character to screen |
261 | /** Print character to screen |
261 | * |
262 | * |
262 | * Emulate basic terminal commands |
263 | * Emulate basic terminal commands |
263 | */ |
264 | */ |
264 | static void fb_putchar(chardev_t *dev, char ch) |
265 | static void fb_putchar(chardev_t *dev, char ch) |
265 | { |
266 | { |
266 | spinlock_lock(&fb_lock); |
267 | spinlock_lock(&fb_lock); |
267 | 268 | ||
268 | switch (ch) { |
269 | switch (ch) { |
269 | case '\n': |
270 | case '\n': |
270 | invert_cursor(); |
271 | invert_cursor(); |
271 | position += columns; |
272 | position += columns; |
272 | position -= position % columns; |
273 | position -= position % columns; |
273 | break; |
274 | break; |
274 | case '\r': |
275 | case '\r': |
275 | invert_cursor(); |
276 | invert_cursor(); |
276 | position -= position % columns; |
277 | position -= position % columns; |
277 | break; |
278 | break; |
278 | case '\b': |
279 | case '\b': |
279 | invert_cursor(); |
280 | invert_cursor(); |
280 | if (position % columns) |
281 | if (position % columns) |
281 | position--; |
282 | position--; |
282 | break; |
283 | break; |
283 | case '\t': |
284 | case '\t': |
284 | invert_cursor(); |
285 | invert_cursor(); |
285 | do { |
286 | do { |
286 | draw_char(' '); |
287 | draw_char(' '); |
287 | position++; |
288 | position++; |
288 | } while ((position % 8) && position < columns * rows); |
289 | } while ((position % 8) && position < columns * rows); |
289 | break; |
290 | break; |
290 | default: |
291 | default: |
291 | draw_char(ch); |
292 | draw_char(ch); |
292 | position++; |
293 | position++; |
293 | } |
294 | } |
294 | 295 | ||
295 | if (position >= columns * rows) { |
296 | if (position >= columns * rows) { |
296 | position -= columns; |
297 | position -= columns; |
297 | scroll_screen(); |
298 | scroll_screen(); |
298 | } |
299 | } |
299 | 300 | ||
300 | invert_cursor(); |
301 | invert_cursor(); |
301 | 302 | ||
302 | spinlock_unlock(&fb_lock); |
303 | spinlock_unlock(&fb_lock); |
303 | } |
304 | } |
304 | 305 | ||
305 | static chardev_t framebuffer; |
306 | static chardev_t framebuffer; |
306 | static chardev_operations_t fb_ops = { |
307 | static chardev_operations_t fb_ops = { |
307 | .write = fb_putchar, |
308 | .write = fb_putchar, |
308 | }; |
309 | }; |
309 | 310 | ||
310 | 311 | ||
311 | /** Initialize framebuffer as a chardev output device |
312 | /** Initialize framebuffer as a chardev output device |
312 | * |
313 | * |
313 | * @param addr Address of theframebuffer |
314 | * @param addr Address of theframebuffer |
314 | * @param x Screen width in pixels |
315 | * @param x Screen width in pixels |
315 | * @param y Screen height in pixels |
316 | * @param y Screen height in pixels |
316 | * @param bpp Bits per pixel (8, 16, 24, 32) |
317 | * @param bpp Bits per pixel (8, 16, 24, 32) |
317 | * @param scan Bytes per one scanline |
318 | * @param scan Bytes per one scanline |
318 | * |
319 | * |
319 | */ |
320 | */ |
320 | void fb_init(__address addr, unsigned int x, unsigned int y, unsigned int bpp, unsigned int scan) |
321 | void fb_init(__address addr, unsigned int x, unsigned int y, unsigned int bpp, unsigned int scan) |
321 | { |
322 | { |
322 | switch (bpp) { |
323 | switch (bpp) { |
323 | case 8: |
324 | case 8: |
324 | putpixel = putpixel_1byte; |
325 | putpixel = putpixel_1byte; |
325 | getpixel = getpixel_1byte; |
326 | getpixel = getpixel_1byte; |
326 | pixelbytes = 1; |
327 | pixelbytes = 1; |
327 | break; |
328 | break; |
328 | case 16: |
329 | case 16: |
329 | putpixel = putpixel_2byte; |
330 | putpixel = putpixel_2byte; |
330 | getpixel = getpixel_2byte; |
331 | getpixel = getpixel_2byte; |
331 | pixelbytes = 2; |
332 | pixelbytes = 2; |
332 | break; |
333 | break; |
333 | case 24: |
334 | case 24: |
334 | putpixel = putpixel_3byte; |
335 | putpixel = putpixel_3byte; |
335 | getpixel = getpixel_3byte; |
336 | getpixel = getpixel_3byte; |
336 | pixelbytes = 3; |
337 | pixelbytes = 3; |
337 | break; |
338 | break; |
338 | case 32: |
339 | case 32: |
339 | putpixel = putpixel_4byte; |
340 | putpixel = putpixel_4byte; |
340 | getpixel = getpixel_4byte; |
341 | getpixel = getpixel_4byte; |
341 | pixelbytes = 4; |
342 | pixelbytes = 4; |
342 | break; |
343 | break; |
343 | default: |
344 | default: |
344 | panic("Unsupported bpp"); |
345 | panic("Unsupported bpp"); |
345 | } |
346 | } |
346 | 347 | ||
347 | fbaddress = (unsigned char *) addr; |
348 | fbaddress = (unsigned char *) addr; |
348 | xres = x; |
349 | xres = x; |
349 | yres = y; |
350 | yres = y; |
350 | scanline = scan; |
351 | scanline = scan; |
351 | 352 | ||
352 | rows = y / FONT_SCANLINES; |
353 | rows = y / FONT_SCANLINES; |
353 | columns = x / COL_WIDTH; |
354 | columns = x / COL_WIDTH; |
354 | 355 | ||
355 | clear_screen(); |
356 | clear_screen(); |
356 | draw_logo(xres - helenos_width, 0); |
357 | draw_logo(xres - helenos_width, 0); |
357 | invert_cursor(); |
358 | invert_cursor(); |
358 | 359 | ||
359 | chardev_initialize("fb", &framebuffer, &fb_ops); |
360 | chardev_initialize("fb", &framebuffer, &fb_ops); |
360 | stdout = &framebuffer; |
361 | stdout = &framebuffer; |
- | 362 | ||
- | 363 | sysinfo_set_item_val("Framebuffer",NULL,true); |
|
- | 364 | sysinfo_set_item_val("Framebuffer.width",NULL,x); |
|
- | 365 | sysinfo_set_item_val("Framebuffer.height",NULL,y); |
|
- | 366 | sysinfo_set_item_val("Framebuffer.scanline",NULL,scan); |
|
- | 367 | sysinfo_set_item_val("Framebuffer.bpp",NULL,bpp); |
|
- | 368 | sysinfo_set_item_val("Framebuffer.address",NULL,addr); |
|
- | 369 | ||
- | 370 | ||
- | 371 | ||
361 | } |
372 | } |
362 | 373 |