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Rev 1327 Rev 1371
Line 56... Line 56...
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    if (vesa_height != 0xffff)
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    if (vesa_height != 0xffff)
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        return true;
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        return true;
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    return false;
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    return false;
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}
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}
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static count_t vesa_frame_order(void)
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{
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    __u32 x = vesa_scanline*vesa_height;
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    if (x <= FRAME_SIZE)
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        return 0;
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    return (fnzb32(x - 1) + 1) - FRAME_WIDTH;
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}
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void vesa_init(void)
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void vesa_init(void)
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{
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{
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    int a;
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    __address vram_lin_addr;
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    vram_lin_addr = PA2KA(PFN2ADDR(frame_alloc(vesa_frame_order(), FRAME_KA)));
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    /* Map videoram */
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    for (a = 0; a < ((vesa_scanline * vesa_height + PAGE_SIZE - 1) >> PAGE_WIDTH); a++)
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        page_mapping_insert(AS_KERNEL, vram_lin_addr + a*PAGE_SIZE, vesa_ph_addr + a*FRAME_SIZE,
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            PAGE_NOT_CACHEABLE);
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    fb_init(vram_lin_addr, vesa_width, vesa_height, vesa_bpp, vesa_scanline);
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    fb_init(vesa_ph_addr, vesa_width, vesa_height, vesa_bpp, vesa_scanline);
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    fb_register();
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    sysinfo_set_item_val("fb.address.physical", NULL, vesa_ph_addr);
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}
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}
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#endif
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#endif