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}
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}
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int ega_init(void)
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int ega_init(void)
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{
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{
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    void *ega_ph_addr;
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    void *ega_ph_addr;
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    size_t sz;
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    ega_ph_addr=(void *)sysinfo_value("fb.address.physical");
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    ega_ph_addr=(void *)sysinfo_value("fb.address.physical");
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    scr_width=sysinfo_value("fb.width");
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    scr_width=sysinfo_value("fb.width");
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    scr_height=sysinfo_value("fb.height");
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    scr_height=sysinfo_value("fb.height");
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    sz = scr_width*scr_height*2;
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    scr_addr=(void *)ALIGN_UP(((__address)set_maxheapsize(USER_ADDRESS_SPACE_SIZE_ARCH>>1)),PAGE_SIZE);
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    scr_addr = as_get_mappable_page(sz);
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    if (ega_ph_addr != ALIGN_DOWN((unsigned long)ega_ph_addr, PAGE_SIZE))
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        return -1;
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    map_physmem(ega_ph_addr, scr_addr, (scr_width*scr_height*2+PAGE_SIZE-1)>>PAGE_WIDTH,
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    map_physmem(ega_ph_addr, scr_addr, ALIGN_UP(sz,PAGE_SIZE)>>PAGE_WIDTH,
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            AS_AREA_READ | AS_AREA_WRITE);
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            AS_AREA_READ | AS_AREA_WRITE);
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 - 
 
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    async_set_client_connection(ega_client_connection);
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    async_set_client_connection(ega_client_connection);
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    clrscr();
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    clrscr();
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    return 0;
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    return 0;