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#include <arch/cp0.h>
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#include <arch/cp0.h>
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#include <arch.h>
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#include <arch.h>
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/** Install address space.
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/** Install address space.
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 *
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 *
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 * Install ASID and if necessary, purge TLB.
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 * Install ASID.
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 *
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 *
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 * @param as Address space structure.
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 * @param as Address space structure.
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 */
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 */
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void as_install_arch(as_t *as)
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void as_install_arch(as_t *as)
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{
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{
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    entry_hi_t hi;
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    entry_hi_t hi;
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    ipl_t ipl;
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    ipl_t ipl;
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    /*
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    /*
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     * If necessary, purge TLB.
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     */
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    tlb_invalidate_asid(as->asid);  /* TODO: do it only if necessary */
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    /*
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     * Install ASID.
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     * Install ASID.
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     */
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     */
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    hi.value = cp0_entry_hi_read();
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    hi.value = cp0_entry_hi_read();
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    ipl = interrupts_disable();
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    ipl = interrupts_disable();