#ifdef CONFIG_MMU
#include <asm/pgalloc.h>
#include <asm/tlbflush.h>
+#include <asm/mmu_context.h>
/*
* TLB handling. This allows us to remove pages from the page
#ifdef CONFIG_CPU_SH4
extern void tlb_wire_entry(struct vm_area_struct *, unsigned long, pte_t);
extern void tlb_unwire_entry(void);
+#elif defined(CONFIG_SUPERH64)
+static int dtlb_entry;
+static unsigned long long dtlb_entries[64];
+
+static inline void tlb_wire_entry(struct vm_area_struct *vma,
+ unsigned long addr, pte_t pte)
+{
+ unsigned long long entry;
+ unsigned long paddr, flags;
+
+ BUG_ON(dtlb_entry == 64);
+
+ local_irq_save(flags);
+
+ entry = sh64_get_wired_dtlb_entry();
+ dtlb_entries[dtlb_entry++] = entry;
+
+ paddr = pte_val(pte) & _PAGE_FLAGS_HARDWARE_MASK;
+ paddr &= ~PAGE_MASK;
+
+ sh64_setup_tlb_slot(entry, addr, get_asid(), paddr);
+
+ local_irq_restore(flags);
+}
+
+static inline void tlb_unwire_entry(void)
+{
+ unsigned long long entry;
+ unsigned long flags;
+
+ BUG_ON(!dtlb_entry);
+
+ local_irq_save(flags);
+ entry = dtlb_entries[dtlb_entry--];
+
+ sh64_teardown_tlb_slot(entry);
+ sh64_put_wired_dtlb_entry(entry);
+
+ local_irq_restore(flags);
+}
#else
static inline void tlb_wire_entry(struct vm_area_struct *vma ,
unsigned long addr, pte_t pte)