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- #ifndef _SPARC64_MM_INIT_H
- #define _SPARC64_MM_INIT_H
- /* Most of the symbols in this file are defined in init.c and
- * marked non-static so that assembler code can get at them.
- */
- #define MAX_PHYS_ADDRESS (1UL << 42UL)
- #define KPTE_BITMAP_CHUNK_SZ (256UL * 1024UL * 1024UL)
- #define KPTE_BITMAP_BYTES \
- ((MAX_PHYS_ADDRESS / KPTE_BITMAP_CHUNK_SZ) / 8)
- extern unsigned long kern_linear_pte_xor[2];
- extern unsigned long kpte_linear_bitmap[KPTE_BITMAP_BYTES / sizeof(unsigned long)];
- extern unsigned int sparc64_highest_unlocked_tlb_ent;
- extern unsigned long sparc64_kern_pri_context;
- extern unsigned long sparc64_kern_pri_nuc_bits;
- extern unsigned long sparc64_kern_sec_context;
- extern void mmu_info(struct seq_file *m);
- struct linux_prom_translation {
- unsigned long virt;
- unsigned long size;
- unsigned long data;
- };
- /* Exported for kernel TLB miss handling in ktlb.S */
- extern struct linux_prom_translation prom_trans[512];
- extern unsigned int prom_trans_ents;
- /* Exported for SMP bootup purposes. */
- extern unsigned long kern_locked_tte_data;
- extern void prom_world(int enter);
- extern void free_initmem(void);
- #ifdef CONFIG_SPARSEMEM_VMEMMAP
- #define VMEMMAP_CHUNK_SHIFT 22
- #define VMEMMAP_CHUNK (1UL << VMEMMAP_CHUNK_SHIFT)
- #define VMEMMAP_CHUNK_MASK ~(VMEMMAP_CHUNK - 1UL)
- #define VMEMMAP_ALIGN(x) (((x)+VMEMMAP_CHUNK-1UL)&VMEMMAP_CHUNK_MASK)
- #define VMEMMAP_SIZE ((((1UL << MAX_PHYSADDR_BITS) >> PAGE_SHIFT) * \
- sizeof(struct page *)) >> VMEMMAP_CHUNK_SHIFT)
- extern unsigned long vmemmap_table[VMEMMAP_SIZE];
- #endif
- #endif /* _SPARC64_MM_INIT_H */
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