diff options
Diffstat (limited to 'arch/m68k/mm')
| -rw-r--r-- | arch/m68k/mm/cache.c | 6 | ||||
| -rw-r--r-- | arch/m68k/mm/mcfmmu.c | 9 |
2 files changed, 8 insertions, 7 deletions
diff --git a/arch/m68k/mm/cache.c b/arch/m68k/mm/cache.c index 95d0bf6..3d84c1f 100644 --- a/arch/m68k/mm/cache.c +++ b/arch/m68k/mm/cache.c @@ -52,9 +52,9 @@ static unsigned long virt_to_phys_slow(unsigned long vaddr) unsigned long *descaddr; asm volatile ("ptestr %3,%2@,#7,%0\n\t" - "pmove %%psr,%1@" - : "=a&" (descaddr) - : "a" (&mmusr), "a" (vaddr), "d" (get_fs().seg)); + "pmove %%psr,%1" + : "=a&" (descaddr), "=m" (mmusr) + : "a" (vaddr), "d" (get_fs().seg)); if (mmusr & (MMU_I|MMU_B|MMU_L)) return 0; descaddr = phys_to_virt((unsigned long)descaddr); diff --git a/arch/m68k/mm/mcfmmu.c b/arch/m68k/mm/mcfmmu.c index babd5a9..875b800 100644 --- a/arch/m68k/mm/mcfmmu.c +++ b/arch/m68k/mm/mcfmmu.c @@ -87,7 +87,7 @@ void __init paging_init(void) int cf_tlb_miss(struct pt_regs *regs, int write, int dtlb, int extension_word) { - unsigned long flags, mmuar; + unsigned long flags, mmuar, mmutr; struct mm_struct *mm; pgd_t *pgd; pmd_t *pmd; @@ -137,9 +137,10 @@ int cf_tlb_miss(struct pt_regs *regs, int write, int dtlb, int extension_word) if (!pte_dirty(*pte) && !KMAPAREA(mmuar)) set_pte(pte, pte_wrprotect(*pte)); - mmu_write(MMUTR, (mmuar & PAGE_MASK) | (asid << MMUTR_IDN) | - (((int)(pte->pte) & (int)CF_PAGE_MMUTR_MASK) - >> CF_PAGE_MMUTR_SHIFT) | MMUTR_V); + mmutr = (mmuar & PAGE_MASK) | (asid << MMUTR_IDN) | MMUTR_V; + if ((mmuar < TASK_UNMAPPED_BASE) || (mmuar >= TASK_SIZE)) + mmutr |= (pte->pte & CF_PAGE_MMUTR_MASK) >> CF_PAGE_MMUTR_SHIFT; + mmu_write(MMUTR, mmutr); mmu_write(MMUDR, (pte_val(*pte) & PAGE_MASK) | ((pte->pte) & CF_PAGE_MMUDR_MASK) | MMUDR_SZ_8KB | MMUDR_X); |