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 */
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 */
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/** @file
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/** @file
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 */
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 */
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#include <arch/mm/frame.h>
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#include <arch/mm/frame.h>
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#include <genarch/ofw/memory_init.h>
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#include <mm/frame.h>
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#include <mm/frame.h>
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#include <arch/boot/boot.h>
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#include <config.h>
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#include <config.h>
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#include <align.h>
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#include <align.h>
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/** Create memory zones according to information stored in bootinfo.
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 *
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 * Walk the bootinfo memory map and create frame zones according to it.
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 * The first frame is not blacklisted here as it is done in generic
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 * frame_init().
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 */
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void frame_arch_init(void)
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void frame_arch_init(void)
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{
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{
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    int i;
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    ofw_init_zones();
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    pfn_t confdata;
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    for (i = 0; i < bootinfo.memmap.count; i++) {
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        /*
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         * The memmap is created by HelenOS boot loader.
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         * It already contains no holes.
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         */
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        confdata = ADDR2PFN(bootinfo.memmap.zones[i].start);
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        if (confdata == 0)
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            confdata = 2;
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        zone_create(ADDR2PFN(bootinfo.memmap.zones[i].start),
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            SIZE2FRAMES(ALIGN_DOWN(bootinfo.memmap.zones[i].size, PAGE_SIZE)),
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            confdata, 0);
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    }
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    /*
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     * Workaround to prevent slab allocator from allocating frame 0.
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     * Frame 0 is
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     * a) not mapped by OFW
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     * b) would be confused with NULL error return code
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     */
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    frame_mark_unavailable(0, 1);
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}
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}
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/** @}
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/** @}
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 */
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 */