[POWERPC] Revise PPC44x MMU code for arch/powerpc

[powerpc.git] / arch / powerpc / mm / mmu_decl.h

diff --git a/arch/powerpc/mm/mmu_decl.h b/arch/powerpc/mm/mmu_decl.h
index 540f329..2558c34 100644 (file)
--- a/arch/powerpc/mm/mmu_decl.h
+++ b/arch/powerpc/mm/mmu_decl.h
@@ -19,31 +19,39 @@
  *  2 of the License, or (at your option) any later version.
  *
  */
+#include <linux/mm.h>
 #include <asm/tlbflush.h>
 #include <asm/mmu.h>
 
+extern void hash_preload(struct mm_struct *mm, unsigned long ea,
+                        unsigned long access, unsigned long trap);
+
+
+#ifdef CONFIG_PPC32
 extern void mapin_ram(void);
 extern int map_page(unsigned long va, phys_addr_t pa, int flags);
 extern void setbat(int index, unsigned long virt, unsigned long phys,
                   unsigned int size, int flags);
-extern void reserve_phys_mem(unsigned long start, unsigned long size);
 extern void settlbcam(int index, unsigned long virt, phys_addr_t phys,
                      unsigned int size, int flags, unsigned int pid);
 extern void invalidate_tlbcam_entry(int index);
 
 extern int __map_without_bats;
 extern unsigned long ioremap_base;
-extern unsigned long ioremap_bot;
 extern unsigned int rtas_data, rtas_size;
 
-extern unsigned long total_memory;
-extern unsigned long total_lowmem;
-extern int mem_init_done;
-
-extern PTE *Hash, *Hash_end;
+struct _PTE;
+extern struct _PTE *Hash, *Hash_end;
 extern unsigned long Hash_size, Hash_mask;
 
 extern unsigned int num_tlbcam_entries;
+#endif
+
+extern unsigned long ioremap_bot;
+extern unsigned long __max_low_memory;
+extern unsigned long __initial_memory_limit;
+extern unsigned long total_memory;
+extern unsigned long total_lowmem;
 
 /* ...and now those things that may be slightly different between processor
  * architectures.  -- Dan
@@ -64,8 +72,8 @@ extern void MMU_init_hw(void);
 extern unsigned long mmu_mapin_ram(void);
 extern void adjust_total_lowmem(void);
 
-#else
-/* anything except 4xx or 8xx */
+#elif defined(CONFIG_PPC32)
+/* anything 32-bit except 4xx or 8xx */
 extern void MMU_init_hw(void);
 extern unsigned long mmu_mapin_ram(void);
 
@@ -82,4 +90,16 @@ static inline void flush_HPTE(unsigned context, unsigned long va,
        else
                _tlbie(va);
 }
+#else /* CONFIG_PPC64 */
+/* imalloc region types */
+#define IM_REGION_UNUSED       0x1
+#define IM_REGION_SUBSET       0x2
+#define IM_REGION_EXISTS       0x4
+#define IM_REGION_OVERLAP      0x8
+#define IM_REGION_SUPERSET     0x10
+
+extern struct vm_struct * im_get_free_area(unsigned long size);
+extern struct vm_struct * im_get_area(unsigned long v_addr, unsigned long size,
+                                     int region_type);
+extern void im_free(void *addr);
 #endif