1,4 → 1,5 |
/* |
* Copyright (c) 2008 Martin Decky |
* Copyright (c) 2006 Ondrej Palkovsky |
* All rights reserved. |
* |
33,6 → 34,7 |
*/ |
|
#include <genarch/fb/font-8x16.h> |
#include <genarch/fb/logo-196x66.h> |
#include <genarch/fb/visuals.h> |
#include <genarch/fb/fb.h> |
#include <console/chardev.h> |
39,6 → 41,7 |
#include <console/console.h> |
#include <sysinfo/sysinfo.h> |
#include <mm/slab.h> |
#include <align.h> |
#include <panic.h> |
#include <memstr.h> |
#include <config.h> |
47,137 → 50,114 |
#include <ddi/ddi.h> |
#include <arch/types.h> |
|
#include "helenos.xbm" |
SPINLOCK_INITIALIZE(fb_lock); |
|
static parea_t fb_parea; /**< Physical memory area for fb. */ |
/**< Physical memory area for fb. */ |
static parea_t fb_parea; |
|
SPINLOCK_INITIALIZE(fb_lock); |
static uint8_t *fb_addr; |
static uint8_t *backbuf; |
static uint8_t *glyphs; |
static uint8_t *bgscan; |
|
static uint8_t *fbaddress = NULL; |
static unsigned int xres; |
static unsigned int yres; |
|
static uint8_t *blankline = NULL; |
static uint8_t *dbbuffer = NULL; /* Buffer for fast scrolling console */ |
static index_t dboffset; |
static unsigned int ylogo; |
static unsigned int ytrim; |
static unsigned int rowtrim; |
|
static unsigned int xres = 0; |
static unsigned int yres = 0; |
static unsigned int scanline = 0; |
static unsigned int pixelbytes = 0; |
#ifdef FB_INVERT_COLORS |
static bool invert_colors = true; |
#else |
static bool invert_colors = false; |
#endif |
static unsigned int scanline; |
static unsigned int glyphscanline; |
|
static unsigned int pixelbytes; |
static unsigned int glyphbytes; |
static unsigned int bgscanbytes; |
|
static unsigned int cols; |
static unsigned int rows; |
static unsigned int position = 0; |
static unsigned int columns = 0; |
static unsigned int rows = 0; |
|
#define COL_WIDTH 8 |
#define ROW_BYTES (scanline * FONT_SCANLINES) |
#define BG_COLOR 0x000080 |
#define FG_COLOR 0xffff00 |
|
#define BGCOLOR 0x000080 |
#define FGCOLOR 0xffff00 |
#define LOGOCOLOR 0x2020b0 |
#define CURSOR 219 |
|
#define RED(x, bits) ((x >> (8 + 8 + 8 - bits)) & ((1 << bits) - 1)) |
#define GREEN(x, bits) ((x >> (8 + 8 - bits)) & ((1 << bits) - 1)) |
#define BLUE(x, bits) ((x >> (8 - bits)) & ((1 << bits) - 1)) |
|
#define POINTPOS(x, y) ((y) * scanline + (x) * pixelbytes) |
#define COL2X(col) ((col) * FONT_WIDTH) |
#define ROW2Y(row) ((row) * FONT_SCANLINES) |
|
/***************************************************************/ |
/* Pixel specific fuctions */ |
#define X2COL(x) ((x) / FONT_WIDTH) |
#define Y2ROW(y) ((y) / FONT_SCANLINES) |
|
static void (*rgb2scr)(void *, int); |
static int (*scr2rgb)(void *); |
#define FB_POS(x, y) ((y) * scanline + (x) * pixelbytes) |
#define BB_POS(col, row) ((row) * cols + (col)) |
#define GLYPH_POS(glyph, y) ((glyph) * glyphbytes + (y) * glyphscanline) |
|
static inline int COLOR(int color) |
{ |
return invert_colors ? ~color : color; |
} |
|
/* Conversion routines between different color representations */ |
static void rgb_byte0888(void *dst, int rgb) |
{ |
*((int *) dst) = rgb; |
} |
static void (*rgb_conv)(void *, uint32_t); |
|
static int byte0888_rgb(void *src) |
{ |
return (*((int *) src)) & 0xffffff; |
} |
|
static void bgr_byte0888(void *dst, int rgb) |
/** ARGB 8:8:8:8 conversion |
* |
*/ |
static void rgb_0888(void *dst, uint32_t rgb) |
{ |
*((uint32_t *) dst) = BLUE(rgb, 8) << 16 | GREEN(rgb, 8) << 8 | |
RED(rgb, 8); |
*((uint32_t *) dst) = rgb & 0xffffff; |
} |
|
static int byte0888_bgr(void *src) |
{ |
int color = *(uint32_t *)(src); |
return ((color & 0xff) << 16) | (((color >> 8) & 0xff) << 8) | |
((color >> 16) & 0xff); |
} |
|
static void rgb_byte888(void *dst, int rgb) |
/** ABGR 8:8:8:8 conversion |
* |
*/ |
static void bgr_0888(void *dst, uint32_t rgb) |
{ |
uint8_t *scr = (uint8_t *) dst; |
#if defined(FB_INVERT_ENDIAN) |
scr[0] = RED(rgb, 8); |
scr[1] = GREEN(rgb, 8); |
scr[2] = BLUE(rgb, 8); |
#else |
scr[2] = RED(rgb, 8); |
scr[1] = GREEN(rgb, 8); |
scr[0] = BLUE(rgb, 8); |
#endif |
*((uint32_t *) dst) |
= (BLUE(rgb, 8) << 16) | (GREEN(rgb, 8) << 8) | RED(rgb, 8); |
} |
|
static int byte888_rgb(void *src) |
|
/** BGR 8:8:8 conversion |
* |
*/ |
static void rgb_888(void *dst, uint32_t rgb) |
{ |
uint8_t *scr = (uint8_t *) src; |
#if defined(FB_INVERT_ENDIAN) |
return scr[0] << 16 | scr[1] << 8 | scr[2]; |
((uint8_t *) dst)[0] = RED(rgb, 8); |
((uint8_t *) dst)[1] = GREEN(rgb, 8); |
((uint8_t *) dst)[2] = BLUE(rgb, 8); |
#else |
return scr[2] << 16 | scr[1] << 8 | scr[0]; |
((uint8_t *) dst)[0] = BLUE(rgb, 8); |
((uint8_t *) dst)[1] = GREEN(rgb, 8); |
((uint8_t *) dst)[2] = RED(rgb, 8); |
#endif |
} |
|
/** 16-bit depth (5:5:5) */ |
static void rgb_byte555(void *dst, int rgb) |
{ |
/* 5-bit, 5-bits, 5-bits */ |
*((uint16_t *) dst) = RED(rgb, 5) << 10 | GREEN(rgb, 5) << 5 | |
BLUE(rgb, 5); |
} |
|
/** 16-bit depth (5:5:5) */ |
static int byte555_rgb(void *src) |
/** RGB 5:5:5 conversion |
* |
*/ |
static void rgb_555(void *dst, uint32_t rgb) |
{ |
int color = *(uint16_t *)(src); |
return (((color >> 10) & 0x1f) << (16 + 3)) | |
(((color >> 5) & 0x1f) << (8 + 3)) | ((color & 0x1f) << 3); |
*((uint16_t *) dst) |
= (RED(rgb, 5) << 10) | (GREEN(rgb, 5) << 5) | BLUE(rgb, 5); |
} |
|
/** 16-bit depth (5:6:5) */ |
static void rgb_byte565(void *dst, int rgb) |
{ |
/* 5-bit, 6-bits, 5-bits */ |
*((uint16_t *) dst) = RED(rgb, 5) << 11 | GREEN(rgb, 6) << 5 | |
BLUE(rgb, 5); |
} |
|
/** 16-bit depth (5:6:5) */ |
static int byte565_rgb(void *src) |
/** RGB 5:6:5 conversion |
* |
*/ |
static void rgb_565(void *dst, uint32_t rgb) |
{ |
int color = *(uint16_t *)(src); |
return (((color >> 11) & 0x1f) << (16 + 3)) | |
(((color >> 5) & 0x3f) << (8 + 2)) | ((color & 0x1f) << 3); |
*((uint16_t *) dst) |
= (RED(rgb, 5) << 11) | (GREEN(rgb, 6) << 5) | BLUE(rgb, 5); |
} |
|
/** Put pixel - 8-bit depth (color palette/3:2:3) |
|
/** RGB 3:2:3 |
* |
* Even though we try 3:2:3 color scheme here, an 8-bit framebuffer |
* will most likely use a color palette. The color appearance |
184,228 → 164,117 |
* will be pretty random and depend on the default installed |
* palette. This could be fixed by supporting custom palette |
* and setting it to simulate the 8-bit truecolor. |
* |
* Currently we set the palette on the ia32, amd64 and sparc64 port. |
* |
* Note that the byte is being inverted by this function. The reason is |
* that we would like to use a color palette where the white color code |
* is 0 and the black color code is 255, as some machines (Sun Blade 1500) |
* use these codes for black and white and prevent to set codes |
* 0 and 255 to other colors. |
* |
*/ |
static void rgb_byte8(void *dst, int rgb) |
static void rgb_323(void *dst, uint32_t rgb) |
{ |
*((uint8_t *) dst) = RED(rgb, 3) << 5 | GREEN(rgb, 2) << 3 | |
BLUE(rgb, 3); |
*((uint8_t *) dst) |
= ~((RED(rgb, 3) << 5) | (GREEN(rgb, 2) << 3) | BLUE(rgb, 3)); |
} |
|
static void sb1500rgb_byte8(void *dst, int rgb) |
{ |
if (RED(rgb, 1) && GREEN(rgb, 1) && BLUE(rgb, 1)) |
*((uint8_t *) dst) = 255; |
else if (RED(rgb, 1) && GREEN(rgb, 1)) |
*((uint8_t *) dst) = 150; |
else if (GREEN(rgb, 1) && BLUE(rgb, 1)) |
*((uint8_t *) dst) = 47; |
else if (RED(rgb, 1) && BLUE(rgb, 1)) |
*((uint8_t *) dst) = 48; |
else if (RED(rgb, 1)) |
*((uint8_t *) dst) = 32; |
else if (GREEN(rgb, 1)) |
*((uint8_t *) dst) = 47; |
else if (BLUE(rgb, 1)) |
*((uint8_t *) dst) = 2; |
else |
*((uint8_t *) dst) = 1; |
} |
|
/** Return pixel color - 8-bit depth (color palette/3:2:3) |
/** Hide logo and refresh screen |
* |
* See the comment for rgb_byte(). |
*/ |
static int byte8_rgb(void *src) |
static void logo_hide(void) |
{ |
int color = *(uint8_t *)src; |
return (((color >> 5) & 0x7) << (16 + 5)) | |
(((color >> 3) & 0x3) << (8 + 6)) | ((color & 0x7) << 5); |
ylogo = 0; |
ytrim = yres; |
rowtrim = rows; |
fb_redraw(); |
} |
|
static void putpixel(unsigned int x, unsigned int y, int color) |
|
/** Draw character at given position |
* |
*/ |
static void glyph_draw(uint8_t glyph, unsigned int col, unsigned int row) |
{ |
(*rgb2scr)(&fbaddress[POINTPOS(x, y)], COLOR(color)); |
unsigned int x = COL2X(col); |
unsigned int y = ROW2Y(row); |
unsigned int yd; |
|
if (dbbuffer) { |
int dline = (y + dboffset) % yres; |
(*rgb2scr)(&dbbuffer[POINTPOS(x, dline)], COLOR(color)); |
} |
} |
if (y >= ytrim) |
logo_hide(); |
|
/** Get pixel from viewport */ |
static int getpixel(unsigned int x, unsigned int y) |
{ |
if (dbbuffer) { |
int dline = (y + dboffset) % yres; |
return COLOR((*scr2rgb)(&dbbuffer[POINTPOS(x, dline)])); |
backbuf[BB_POS(col, row)] = glyph; |
|
for (yd = 0; yd < FONT_SCANLINES; yd++) |
memcpy(&fb_addr[FB_POS(x, y + yd + ylogo)], |
&glyphs[GLYPH_POS(glyph, yd)], glyphscanline); |
} |
return COLOR((*scr2rgb)(&fbaddress[POINTPOS(x, y)])); |
} |
|
|
/** Fill screen with background color */ |
static void clear_screen(void) |
/** Scroll screen down by one row |
* |
* |
*/ |
static void screen_scroll(void) |
{ |
unsigned int y; |
|
for (y = 0; y < yres; y++) { |
memcpy(&fbaddress[scanline * y], blankline, xres * pixelbytes); |
if (dbbuffer) |
memcpy(&dbbuffer[scanline * y], blankline, |
xres * pixelbytes); |
if (ylogo > 0) { |
logo_hide(); |
return; |
} |
} |
|
unsigned int row; |
|
/** Scroll screen one row up */ |
static void scroll_screen(void) |
{ |
if (dbbuffer) { |
count_t first; |
for (row = 0; row < rows; row++) { |
unsigned int y = ROW2Y(row); |
unsigned int yd; |
|
/* Clear the last row */ |
memcpy(&dbbuffer[dboffset * scanline], blankline, ROW_BYTES); |
for (yd = 0; yd < FONT_SCANLINES; yd++) { |
unsigned int x; |
unsigned int col; |
|
dboffset = (dboffset + FONT_SCANLINES) % yres; |
first = yres - dboffset; |
for (col = 0, x = 0; col < cols; col++, |
x += FONT_WIDTH) { |
uint8_t glyph; |
|
/* Move all rows one row up */ |
if (xres * pixelbytes == scanline) { |
memcpy(fbaddress, &dbbuffer[dboffset * scanline], |
first * scanline); |
memcpy(&fbaddress[first * scanline], dbbuffer, |
dboffset * scanline); |
} else { |
/* |
* When the scanline is bigger than number of bytes |
* in the X-resolution, chances are that the |
* frame buffer memory past the X-resolution is special |
* in some way. For example, the SUNW,ffb framebuffer |
* wraps this area around the beginning of the same |
* line. To avoid troubles, copy only memory as |
* specified by the resolution. |
*/ |
unsigned int i; |
if (row < rows - 1) { |
if (backbuf[BB_POS(col, row)] == |
backbuf[BB_POS(col, row + 1)]) |
continue; |
|
for (i = 0; i < first; i++) |
memcpy(&fbaddress[i * scanline], |
&dbbuffer[(dboffset + i) * scanline], |
xres * pixelbytes); |
for (i = 0; i < dboffset; i++) |
memcpy(&fbaddress[(first + i) * scanline], |
&dbbuffer[i * scanline], xres * pixelbytes); |
} |
} else { |
uint8_t *lastline = &fbaddress[(rows - 1) * ROW_BYTES]; |
glyph = backbuf[BB_POS(col, row + 1)]; |
} else |
glyph = 0; |
|
if (xres * pixelbytes == scanline) { |
/* Move all rows one row up */ |
memcpy((void *) fbaddress, |
(void *) &fbaddress[ROW_BYTES], |
scanline * yres - ROW_BYTES); |
/* Clear the last row */ |
memcpy((void *) lastline, (void *) blankline, |
ROW_BYTES); |
} else { |
/* |
* See the comment in the dbbuffer case. |
*/ |
unsigned int i; |
|
/* Move all rows one row up */ |
for (i = 0; i < yres - FONT_SCANLINES; i++) |
memcpy(&fbaddress[i * scanline], |
&fbaddress[(i + FONT_SCANLINES) * scanline], |
xres * pixelbytes); |
/* Clear the last row */ |
for (i = 0; i < FONT_SCANLINES; i++) |
memcpy(&lastline[i * scanline], |
&blankline[i * scanline], |
xres * pixelbytes); |
memcpy(&fb_addr[FB_POS(x, y + yd)], |
&glyphs[GLYPH_POS(glyph, yd)], |
glyphscanline); |
} |
} |
} |
|
|
static void invert_pixel(unsigned int x, unsigned int y) |
{ |
putpixel(x, y, ~getpixel(x, y)); |
memcpy(backbuf, backbuf + cols, cols * (rows - 1)); |
memsetb(&backbuf[BB_POS(0, rows - 1)], cols, 0); |
} |
|
|
/** Draw one line of glyph at a given position */ |
static void draw_glyph_line(unsigned int glline, unsigned int x, unsigned int y) |
static void cursor_put(void) |
{ |
unsigned int i; |
|
for (i = 0; i < 8; i++) |
if (glline & (1 << (7 - i))) { |
putpixel(x + i, y, FGCOLOR); |
} else |
putpixel(x + i, y, BGCOLOR); |
glyph_draw(CURSOR, position % cols, position / cols); |
} |
|
/***************************************************************/ |
/* Character-console functions */ |
|
/** Draw character at given position */ |
static void draw_glyph(uint8_t glyph, unsigned int col, unsigned int row) |
static void cursor_remove(void) |
{ |
unsigned int y; |
|
for (y = 0; y < FONT_SCANLINES; y++) |
draw_glyph_line(fb_font[glyph * FONT_SCANLINES + y], |
col * COL_WIDTH, row * FONT_SCANLINES + y); |
glyph_draw(0, position % cols, position / cols); |
} |
|
/** Invert character at given position */ |
static void invert_char(unsigned int col, unsigned int row) |
{ |
unsigned int x; |
unsigned int y; |
|
for (x = 0; x < COL_WIDTH; x++) |
for (y = 0; y < FONT_SCANLINES; y++) |
invert_pixel(col * COL_WIDTH + x, |
row * FONT_SCANLINES + y); |
} |
|
/** Draw character at default position */ |
static void draw_char(char chr) |
{ |
draw_glyph(chr, position % columns, position / columns); |
} |
|
static void draw_logo(unsigned int startx, unsigned int starty) |
{ |
unsigned int x; |
unsigned int y; |
unsigned int byte; |
unsigned int rowbytes; |
|
rowbytes = (helenos_width - 1) / 8 + 1; |
|
for (y = 0; y < helenos_height; y++) |
for (x = 0; x < helenos_width; x++) { |
byte = helenos_bits[rowbytes * y + x / 8]; |
byte >>= x % 8; |
if (byte & 1) |
putpixel(startx + x, starty + y, |
COLOR(LOGOCOLOR)); |
} |
} |
|
/***************************************************************/ |
/* Stdout specific functions */ |
|
static void invert_cursor(void) |
{ |
invert_char(position % columns, position / columns); |
} |
|
/** Print character to screen |
* |
* Emulate basic terminal commands |
* Emulate basic terminal commands. |
* |
*/ |
static void fb_putchar(chardev_t *dev, char ch) |
{ |
413,37 → 282,38 |
|
switch (ch) { |
case '\n': |
invert_cursor(); |
position += columns; |
position -= position % columns; |
cursor_remove(); |
position += cols; |
position -= position % cols; |
break; |
case '\r': |
invert_cursor(); |
position -= position % columns; |
cursor_remove(); |
position -= position % cols; |
break; |
case '\b': |
invert_cursor(); |
if (position % columns) |
cursor_remove(); |
if (position % cols) |
position--; |
break; |
case '\t': |
invert_cursor(); |
cursor_remove(); |
do { |
draw_char(' '); |
glyph_draw((uint8_t) ' ', position % cols, |
position / cols); |
position++; |
} while ((position % 8) && position < columns * rows); |
} while ((position % 8) && (position < cols * rows)); |
break; |
default: |
draw_char(ch); |
glyph_draw((uint8_t) ch, position % cols, position / cols); |
position++; |
} |
|
if (position >= columns * rows) { |
position -= columns; |
scroll_screen(); |
if (position >= cols * rows) { |
position -= cols; |
screen_scroll(); |
} |
|
invert_cursor(); |
cursor_put(); |
|
spinlock_unlock(&fb_lock); |
} |
454,51 → 324,135 |
}; |
|
|
/** Render glyphs |
* |
* Convert glyphs from device independent font |
* description to current visual representation. |
* |
*/ |
static void glyphs_render(void) |
{ |
/* Prerender glyphs */ |
unsigned int glyph; |
|
for (glyph = 0; glyph < FONT_GLYPHS; glyph++) { |
unsigned int y; |
|
for (y = 0; y < FONT_SCANLINES; y++) { |
unsigned int x; |
|
for (x = 0; x < FONT_WIDTH; x++) { |
void *dst = &glyphs[GLYPH_POS(glyph, y) + |
x * pixelbytes]; |
uint32_t rgb = (fb_font[ROW2Y(glyph) + y] & |
(1 << (7 - x))) ? FG_COLOR : BG_COLOR; |
rgb_conv(dst, rgb); |
} |
} |
} |
|
/* Prerender background scanline */ |
unsigned int x; |
|
for (x = 0; x < xres; x++) |
rgb_conv(&bgscan[x * pixelbytes], BG_COLOR); |
} |
|
|
/** Refresh the screen |
* |
*/ |
void fb_redraw(void) |
{ |
if (ylogo > 0) { |
unsigned int y; |
|
for (y = 0; y < LOGO_HEIGHT; y++) { |
unsigned int x; |
|
for (x = 0; x < xres; x++) |
rgb_conv(&fb_addr[FB_POS(x, y)], |
(x < LOGO_WIDTH) ? |
fb_logo[y * LOGO_WIDTH + x] : |
LOGO_COLOR); |
} |
} |
|
unsigned int row; |
|
for (row = 0; row < rowtrim; row++) { |
unsigned int y = ylogo + ROW2Y(row); |
unsigned int yd; |
|
for (yd = 0; yd < FONT_SCANLINES; yd++) { |
unsigned int x; |
unsigned int col; |
|
for (col = 0, x = 0; col < cols; |
col++, x += FONT_WIDTH) { |
void *d = &fb_addr[FB_POS(x, y + yd)]; |
void *s = &glyphs[GLYPH_POS(backbuf[BB_POS(col, |
row)], yd)]; |
memcpy(d, s, glyphscanline); |
} |
} |
} |
|
if (COL2X(cols) < xres) { |
unsigned int y; |
unsigned int size = (xres - COL2X(cols)) * pixelbytes; |
|
for (y = ylogo; y < yres; y++) |
memcpy(&fb_addr[FB_POS(COL2X(cols), y)], bgscan, size); |
} |
|
if (ROW2Y(rowtrim) + ylogo < yres) { |
unsigned int y; |
|
for (y = ROW2Y(rowtrim) + ylogo; y < yres; y++) |
memcpy(&fb_addr[FB_POS(0, y)], bgscan, bgscanbytes); |
} |
} |
|
|
/** Initialize framebuffer as a chardev output device |
* |
* @param props Properties of the framebuffer device. |
* @param addr Physical address of the framebuffer |
* @param x Screen width in pixels |
* @param y Screen height in pixels |
* @param scan Bytes per one scanline |
* @param visual Color model |
* |
*/ |
void fb_init(fb_properties_t *props) |
{ |
switch (props->visual) { |
case VISUAL_INDIRECT_8: |
rgb2scr = rgb_byte8; |
scr2rgb = byte8_rgb; |
rgb_conv = rgb_323; |
pixelbytes = 1; |
break; |
case VISUAL_SB1500_PALETTE: |
rgb2scr = sb1500rgb_byte8; |
scr2rgb = byte8_rgb; |
pixelbytes = 1; |
break; |
case VISUAL_RGB_5_5_5: |
rgb2scr = rgb_byte555; |
scr2rgb = byte555_rgb; |
rgb_conv = rgb_555; |
pixelbytes = 2; |
break; |
case VISUAL_RGB_5_6_5: |
rgb2scr = rgb_byte565; |
scr2rgb = byte565_rgb; |
rgb_conv = rgb_565; |
pixelbytes = 2; |
break; |
case VISUAL_RGB_8_8_8: |
rgb2scr = rgb_byte888; |
scr2rgb = byte888_rgb; |
rgb_conv = rgb_888; |
pixelbytes = 3; |
break; |
case VISUAL_RGB_8_8_8_0: |
rgb2scr = rgb_byte888; |
scr2rgb = byte888_rgb; |
rgb_conv = rgb_888; |
pixelbytes = 4; |
break; |
case VISUAL_RGB_0_8_8_8: |
rgb2scr = rgb_byte0888; |
scr2rgb = byte0888_rgb; |
rgb_conv = rgb_0888; |
pixelbytes = 4; |
break; |
case VISUAL_BGR_0_8_8_8: |
rgb2scr = bgr_byte0888; |
scr2rgb = byte0888_bgr; |
rgb_conv = bgr_0888; |
pixelbytes = 4; |
break; |
default: |
505,21 → 459,53 |
panic("Unsupported visual.\n"); |
} |
|
unsigned int fbsize = props->scan * props->y + props->offset; |
|
/* Map the framebuffer */ |
fbaddress = (uint8_t *) hw_map((uintptr_t) props->addr, fbsize); |
fbaddress += props->offset; |
|
xres = props->x; |
yres = props->y; |
scanline = props->scan; |
|
rows = props->y / FONT_SCANLINES; |
columns = props->x / COL_WIDTH; |
cols = X2COL(xres); |
rows = Y2ROW(yres); |
|
fb_parea.pbase = (uintptr_t) props->addr; |
fb_parea.vbase = (uintptr_t) fbaddress; |
if (yres > ylogo) { |
ylogo = LOGO_HEIGHT; |
rowtrim = rows - Y2ROW(ylogo); |
if (ylogo % FONT_SCANLINES > 0) |
rowtrim--; |
ytrim = ROW2Y(rowtrim); |
} else { |
ylogo = 0; |
ytrim = yres; |
rowtrim = rows; |
} |
|
glyphscanline = FONT_WIDTH * pixelbytes; |
glyphbytes = ROW2Y(glyphscanline); |
bgscanbytes = xres * pixelbytes; |
|
unsigned int fbsize = scanline * yres; |
unsigned int bbsize = cols * rows; |
unsigned int glyphsize = FONT_GLYPHS * glyphbytes; |
|
backbuf = (uint8_t *) malloc(bbsize, 0); |
if (!backbuf) |
panic("Unable to allocate backbuffer.\n"); |
|
glyphs = (uint8_t *) malloc(glyphsize, 0); |
if (!glyphs) |
panic("Unable to allocate glyphs.\n"); |
|
bgscan = malloc(bgscanbytes, 0); |
if (!bgscan) |
panic("Unable to allocate background pixel.\n"); |
|
memsetb(backbuf, bbsize, 0); |
|
glyphs_render(); |
|
fb_addr = (uint8_t *) hw_map((uintptr_t) props->addr, fbsize); |
|
fb_parea.pbase = (uintptr_t) props->addr + props->offset; |
fb_parea.vbase = (uintptr_t) fb_addr; |
fb_parea.frames = SIZE2FRAMES(fbsize); |
fb_parea.cacheable = false; |
ddi_parea_register(&fb_parea); |
528,35 → 514,12 |
sysinfo_set_item_val("fb.kind", NULL, 1); |
sysinfo_set_item_val("fb.width", NULL, xres); |
sysinfo_set_item_val("fb.height", NULL, yres); |
sysinfo_set_item_val("fb.scanline", NULL, props->scan); |
sysinfo_set_item_val("fb.scanline", NULL, scanline); |
sysinfo_set_item_val("fb.visual", NULL, props->visual); |
sysinfo_set_item_val("fb.address.physical", NULL, props->addr); |
sysinfo_set_item_val("fb.invert-colors", NULL, invert_colors); |
|
/* Allocate double buffer */ |
unsigned int order = fnzb(SIZE2FRAMES(fbsize) - 1) + 1; |
dbbuffer = (uint8_t *) frame_alloc(order, FRAME_ATOMIC | FRAME_KA); |
if (!dbbuffer) |
printf("Failed to allocate scroll buffer.\n"); |
dboffset = 0; |
fb_redraw(); |
|
/* Initialized blank line */ |
blankline = (uint8_t *) malloc(ROW_BYTES, FRAME_ATOMIC); |
if (!blankline) |
panic("Failed to allocate blank line for framebuffer."); |
unsigned int x, y; |
for (y = 0; y < FONT_SCANLINES; y++) |
for (x = 0; x < xres; x++) |
(*rgb2scr)(&blankline[POINTPOS(x, y)], COLOR(BGCOLOR)); |
|
clear_screen(); |
|
/* Update size of screen to match text area */ |
yres = rows * FONT_SCANLINES; |
|
draw_logo(xres - helenos_width, 0); |
invert_cursor(); |
|
chardev_initialize("fb", &framebuffer, &fb_ops); |
stdout = &framebuffer; |
} |