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 * @param vm VM structure.
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 * @param vm VM structure.
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 */
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 */
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void vm_install_arch(vm_t *vm)
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void vm_install_arch(vm_t *vm)
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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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    pri_t pri;
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    ipl_t ipl;
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    hi.value = cp0_entry_hi_read();
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    hi.value = cp0_entry_hi_read();
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    pri = cpu_priority_high();
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    ipl = interrupts_disable();
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    spinlock_lock(&vm->lock);
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    spinlock_lock(&vm->lock);
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    hi.asid = vm->asid;
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    hi.asid = vm->asid;
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    cp0_entry_hi_write(hi.value);  
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    cp0_entry_hi_write(hi.value);  
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    spinlock_lock(&vm->unlock);
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    spinlock_lock(&vm->unlock);
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    cpu_priority_restore(pri);
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    interrupts_restore(ipl);
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}
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}