diff options
Diffstat (limited to 'arch/mips/mm/tlb-r4k.c')
| -rw-r--r-- | arch/mips/mm/tlb-r4k.c | 19 |
1 files changed, 16 insertions, 3 deletions
diff --git a/arch/mips/mm/tlb-r4k.c b/arch/mips/mm/tlb-r4k.c index 21d04dfa11d..c618eed933a 100644 --- a/arch/mips/mm/tlb-r4k.c +++ b/arch/mips/mm/tlb-r4k.c @@ -303,7 +303,7 @@ void __update_tlb(struct vm_area_struct * vma, unsigned long address, pte_t pte) unsigned long lo; write_c0_pagemask(PM_HUGE_MASK); ptep = (pte_t *)pmdp; - lo = pte_val(*ptep) >> 6; + lo = pte_to_entrylo(pte_val(*ptep)); write_c0_entrylo0(lo); write_c0_entrylo1(lo + (HPAGE_SIZE >> 7)); @@ -323,8 +323,8 @@ void __update_tlb(struct vm_area_struct * vma, unsigned long address, pte_t pte) ptep++; write_c0_entrylo1(ptep->pte_high); #else - write_c0_entrylo0(pte_val(*ptep++) >> 6); - write_c0_entrylo1(pte_val(*ptep) >> 6); + write_c0_entrylo0(pte_to_entrylo(pte_val(*ptep++))); + write_c0_entrylo1(pte_to_entrylo(pte_val(*ptep))); #endif mtc0_tlbw_hazard(); if (idx < 0) @@ -437,6 +437,19 @@ void __cpuinit tlb_init(void) current_cpu_type() == CPU_R12000 || current_cpu_type() == CPU_R14000) write_c0_framemask(0); + + if (kernel_uses_smartmips_rixi) { + /* + * Enable the no read, no exec bits, and enable large virtual + * address. + */ + u32 pg = PG_RIE | PG_XIE; +#ifdef CONFIG_64BIT + pg |= PG_ELPA; +#endif + write_c0_pagegrain(pg); + } + temp_tlb_entry = current_cpu_data.tlbsize - 1; /* From this point on the ARC firmware is dead. */ |