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 *
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 *
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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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    asid_t asid;
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    asid_t asid;
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    ipl_t ipl;
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    uint32_t sr;
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    uint32_t sr;
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    ipl = interrupts_disable();
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    spinlock_lock(&as->lock);
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    asid = as->asid;
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    asid = as->asid;
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    /* Lower 2 GB, user and supervisor access */
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    /* Lower 2 GB, user and supervisor access */
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    for (sr = 0; sr < 8; sr++) {
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    for (sr = 0; sr < 8; sr++) {
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        asm volatile (
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        asm volatile (
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            "mtsrin %0, %1\n"
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            "mtsrin %0, %1\n"
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            :
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            :
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            : "r" ((0x4000 << 16) + (asid << 4) + sr), "r" (sr << 28)
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            : "r" ((0x4000 << 16) + (asid << 4) + sr), "r" (sr << 28)
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        );
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        );
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    }
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    }
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    spinlock_unlock(&as->lock);
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    interrupts_restore(ipl);
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}
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}
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/** @}
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/** @}
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 */
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 */