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}
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}
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int as_constructor_arch(as_t *as, int flags)
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int as_constructor_arch(as_t *as, int flags)
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{
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{
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#ifdef CONFIG_TSB
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#ifdef CONFIG_TSB
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    /*
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     * The order must be calculated with respect to the emulated
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     * 16K page size.
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     */
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    int order = fnzb32(((ITSB_ENTRY_COUNT + DTSB_ENTRY_COUNT) *
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    int order = fnzb32(((ITSB_ENTRY_COUNT + DTSB_ENTRY_COUNT) *
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        sizeof(tsb_entry_t)) >> MMU_FRAME_WIDTH);
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        sizeof(tsb_entry_t)) >> FRAME_WIDTH);
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    uintptr_t tsb = (uintptr_t) frame_alloc(order, flags | FRAME_KA);
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    uintptr_t tsb = (uintptr_t) frame_alloc(order, flags | FRAME_KA);
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    if (!tsb)
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    if (!tsb)
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        return -1;
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        return -1;
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    as->arch.itsb = (tsb_entry_t *) tsb;
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    as->arch.itsb = (tsb_entry_t *) tsb;
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    as->arch.dtsb = (tsb_entry_t *) (tsb + ITSB_ENTRY_COUNT *
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    as->arch.dtsb = (tsb_entry_t *) (tsb + ITSB_ENTRY_COUNT *
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        sizeof(tsb_entry_t));
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        sizeof(tsb_entry_t));
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    memsetb((uintptr_t) as->arch.itsb,
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    memsetb((uintptr_t) as->arch.itsb,
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        (ITSB_ENTRY_COUNT + DTSB_ENTRY_COUNT) * sizeof(tsb_entry_t), 0);
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        (ITSB_ENTRY_COUNT + DTSB_ENTRY_COUNT) * sizeof(tsb_entry_t), 0);
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#endif
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#endif
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    return 0;
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    return 0;
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}
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}
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int as_destructor_arch(as_t *as)
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int as_destructor_arch(as_t *as)
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{
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{
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#ifdef CONFIG_TSB
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#ifdef CONFIG_TSB
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    /*
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     * The count must be calculated with respect to the emualted 16K page
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     * size.
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     */
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    count_t cnt = ((ITSB_ENTRY_COUNT + DTSB_ENTRY_COUNT) *
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    count_t cnt = ((ITSB_ENTRY_COUNT + DTSB_ENTRY_COUNT) *
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        sizeof(tsb_entry_t)) >> MMU_FRAME_WIDTH;
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        sizeof(tsb_entry_t)) >> FRAME_WIDTH;
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    frame_free(KA2PA((uintptr_t) as->arch.itsb));
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    frame_free(KA2PA((uintptr_t) as->arch.itsb));
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    return cnt;
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    return cnt;
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#else
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#else
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    return 0;
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    return 0;
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#endif
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#endif