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/**
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/**
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 * @file
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 * @file
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 * @brief This file contains fast MMU trap handlers.
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 * @brief This file contains fast MMU trap handlers.
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 */
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 */
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#ifndef __sparc64_MMU_TRAP_H__
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#ifndef KERN_sparc64_MMU_TRAP_H_
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#define __sparc64_MMU_TRAP_H__
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#define KERN_sparc64_MMU_TRAP_H_
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#include <arch/stack.h>
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#include <arch/stack.h>
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#include <arch/regdef.h>
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#include <arch/regdef.h>
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#include <arch/mm/tlb.h>
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#include <arch/mm/tlb.h>
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#include <arch/mm/mmu.h>
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#include <arch/mm/mmu.h>
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#define FAST_MMU_HANDLER_SIZE           128
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#define FAST_MMU_HANDLER_SIZE           128
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#ifdef __ASM__
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#ifdef __ASM__
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.macro FAST_INSTRUCTION_ACCESS_MMU_MISS_HANDLER
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.macro FAST_INSTRUCTION_ACCESS_MMU_MISS_HANDLER
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    save %sp, -STACK_WINDOW_SAVE_AREA_SIZE, %sp
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    /*
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    call fast_instruction_access_mmu_miss
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     * First, try to refill TLB from TSB.
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    nop
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     */
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    restore
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    ! TODO
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    retry  
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    wrpr %g0, PSTATE_PRIV_BIT | PSTATE_AG_BIT, %pstate
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    PREEMPTIBLE_HANDLER fast_instruction_access_mmu_miss
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.endm
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.endm
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.macro FAST_DATA_ACCESS_MMU_MISS_HANDLER
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.macro FAST_DATA_ACCESS_MMU_MISS_HANDLER
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    /*
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    /*
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     * First, try to refill TLB from TSB.
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     * First, try to refill TLB from TSB.
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    wrpr %g0, PSTATE_PRIV_BIT | PSTATE_AG_BIT, %pstate
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    wrpr %g0, PSTATE_PRIV_BIT | PSTATE_AG_BIT, %pstate
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    PREEMPTIBLE_HANDLER fast_data_access_mmu_miss
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    PREEMPTIBLE_HANDLER fast_data_access_mmu_miss
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.endm
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.endm
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.macro FAST_DATA_ACCESS_PROTECTION_HANDLER
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.macro FAST_DATA_ACCESS_PROTECTION_HANDLER
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    save %sp, -STACK_WINDOW_SAVE_AREA_SIZE, %sp
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    wrpr %g0, PSTATE_PRIV_BIT | PSTATE_AG_BIT, %pstate
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    call fast_data_access_protection
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    PREEMPTIBLE_HANDLER fast_data_access_protection
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    nop
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    restore
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    retry
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.endm
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.endm
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#endif /* __ASM__ */
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#endif /* __ASM__ */
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#endif
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#endif
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