Subversion Repositories HelenOS

Compare Revisions

Ignore whitespace Rev 2230 → Rev 2231

/trunk/kernel/arch/sparc64/include/trap/mmu.h
129,7 → 129,21
wrpr %g0, 1, %tl
.endif
 
/*
* Switch from the MM globals.
*/
wrpr %g0, PSTATE_PRIV_BIT | PSTATE_AG_BIT, %pstate
 
/*
* Read the Tag Access register for the higher-level handler.
* This is necessary to survive nested DTLB misses.
*/
mov VA_DMMU_TAG_ACCESS, %g2
ldxa [%g2] ASI_DMMU, %g2
 
/*
* g2 will be passed as an argument to fast_data_access_mmu_miss().
*/
PREEMPTIBLE_HANDLER fast_data_access_mmu_miss
.endm
 
142,7 → 156,21
wrpr %g0, 1, %tl
.endif
 
/*
* Switch from the MM globals.
*/
wrpr %g0, PSTATE_PRIV_BIT | PSTATE_AG_BIT, %pstate
 
/*
* Read the Tag Access register for the higher-level handler.
* This is necessary to survive nested DTLB misses.
*/
mov VA_DMMU_TAG_ACCESS, %g2
ldxa [%g2] ASI_DMMU, %g2
 
/*
* g2 will be passed as an argument to fast_data_access_mmu_miss().
*/
PREEMPTIBLE_HANDLER fast_data_access_protection
.endm
 
/trunk/kernel/arch/sparc64/include/mm/tlb.h
428,9 → 428,9
membar();
}
 
extern void fast_instruction_access_mmu_miss(int n, istate_t *istate);
extern void fast_data_access_mmu_miss(int n, istate_t *istate);
extern void fast_data_access_protection(int n, istate_t *istate);
extern void fast_instruction_access_mmu_miss(unative_t unused, istate_t *istate);
extern void fast_data_access_mmu_miss(tlb_tag_access_reg_t tag, istate_t *istate);
extern void fast_data_access_protection(tlb_tag_access_reg_t tag , istate_t *istate);
 
extern void dtlb_insert_mapping(uintptr_t page, uintptr_t frame, int pagesize, bool locked, bool cacheable);