1 files changed, 49 insertions, 0 deletions

diff --git a/arch/sparc/mm/init_64.h b/arch/sparc/mm/init_64.h
new file mode 100644
index 000000000000..16063870a489
--- /dev/null
+++ b/arch/sparc/mm/init_64.h
@@ -0,0 +1,49 @@
+#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 */