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Rev 3343 Rev 3618
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};
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};
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/** Initialize framebuffer as a chardev output device
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/** Initialize framebuffer as a chardev output device
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 *
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 *
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 * @param addr   Physical address of the framebuffer
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 * @param props   properties of the framebuffer device
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 * @param x      Screen width in pixels
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 * @param y      Screen height in pixels
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 * @param scan   Bytes per one scanline
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 * @param visual Color model
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 *
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 *
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 */
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 */
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void fb_init(uintptr_t addr, unsigned int x, unsigned int y, unsigned int scan,
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    unsigned int visual)
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void fb_init(fb_properties_t *props)
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{
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{
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    switch (visual) {
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    switch (props->visual) {
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    case VISUAL_INDIRECT_8:
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    case VISUAL_INDIRECT_8:
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        rgb2scr = rgb_byte8;
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        rgb2scr = rgb_byte8;
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        scr2rgb = byte8_rgb;
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        scr2rgb = byte8_rgb;
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        pixelbytes = 1;
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        pixelbytes = 1;
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        break;
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        break;
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        break;
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        break;
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    default:
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    default:
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        panic("Unsupported visual.\n");
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        panic("Unsupported visual.\n");
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    }
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    }
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    unsigned int fbsize = scan * y;
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    unsigned int fbsize = (props->scan) * (props->y) + (props->fb_start);
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    /* Map the framebuffer */
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    /* Map the framebuffer */
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    fbaddress = (uint8_t *) hw_map((uintptr_t) addr, fbsize);
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    fbaddress = (uint8_t *) hw_map((uintptr_t) (props->addr), fbsize);
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    fbaddress += props->fb_start;
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    xres = x;
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    xres = props->x;
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    yres = y;
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    yres = props->y;
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    scanline = scan;
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    scanline = props->scan;
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    rows = y / FONT_SCANLINES;
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    rows = (props->y) / FONT_SCANLINES;
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    columns = x / COL_WIDTH;
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    columns = (props->x) / COL_WIDTH;
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    fb_parea.pbase = (uintptr_t) addr;
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    fb_parea.pbase = (uintptr_t) (props->addr);
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    fb_parea.vbase = (uintptr_t) fbaddress;
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    fb_parea.vbase = (uintptr_t) fbaddress;
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    fb_parea.frames = SIZE2FRAMES(fbsize);
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    fb_parea.frames = SIZE2FRAMES(fbsize);
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    fb_parea.cacheable = false;
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    fb_parea.cacheable = false;
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    ddi_parea_register(&fb_parea);
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    ddi_parea_register(&fb_parea);
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    sysinfo_set_item_val("fb", NULL, true);
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    sysinfo_set_item_val("fb", NULL, true);
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    sysinfo_set_item_val("fb.kind", NULL, 1);
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    sysinfo_set_item_val("fb.kind", NULL, 1);
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    sysinfo_set_item_val("fb.width", NULL, xres);
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    sysinfo_set_item_val("fb.width", NULL, xres);
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    sysinfo_set_item_val("fb.height", NULL, yres);
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    sysinfo_set_item_val("fb.height", NULL, yres);
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    sysinfo_set_item_val("fb.scanline", NULL, scan);
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    sysinfo_set_item_val("fb.scanline", NULL, (props->scan));
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    sysinfo_set_item_val("fb.visual", NULL, visual);
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    sysinfo_set_item_val("fb.visual", NULL, (props->visual));
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    sysinfo_set_item_val("fb.address.physical", NULL, addr);
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    sysinfo_set_item_val("fb.address.physical", NULL, (props->addr));
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    sysinfo_set_item_val("fb.invert-colors", NULL, invert_colors);
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    sysinfo_set_item_val("fb.invert-colors", NULL, invert_colors);
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    /* Allocate double buffer */
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    /* Allocate double buffer */
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    unsigned int order = fnzb(SIZE2FRAMES(fbsize) - 1) + 1;
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    unsigned int order = fnzb(SIZE2FRAMES(fbsize) - 1) + 1;
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    dbbuffer = (uint8_t *) frame_alloc(order, FRAME_ATOMIC | FRAME_KA);
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    dbbuffer = (uint8_t *) frame_alloc(order, FRAME_ATOMIC | FRAME_KA);
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    /* Initialized blank line */
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    /* Initialized blank line */
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    blankline = (uint8_t *) malloc(ROW_BYTES, FRAME_ATOMIC);
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    blankline = (uint8_t *) malloc(ROW_BYTES, FRAME_ATOMIC);
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    if (!blankline)
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    if (!blankline)
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        panic("Failed to allocate blank line for framebuffer.");
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        panic("Failed to allocate blank line for framebuffer.");
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    unsigned int x, y;
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    for (y = 0; y < FONT_SCANLINES; y++)
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    for (y = 0; y < FONT_SCANLINES; y++)
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        for (x = 0; x < xres; x++)
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        for (x = 0; x < xres; x++)
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            (*rgb2scr)(&blankline[POINTPOS(x, y)], COLOR(BGCOLOR));
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            (*rgb2scr)(&blankline[POINTPOS(x, y)], COLOR(BGCOLOR));
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    clear_screen();
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    clear_screen();