diff options
| author | Sam Ravnborg <sam@ravnborg.org> | 2008-11-16 20:08:45 -0800 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2008-12-04 09:16:59 -0800 |
| commit | 27137e5285a3388e8f86d7bc5fe0ed8b92bd4624 (patch) | |
| tree | 70cd698fb5561743913b5f7615f61df6e8883537 /arch/sparc/mm/init_64.h | |
| parent | c37ddd936d96b46cf2bb17e7b1a18b2bd24ec1fb (diff) | |
sparc,sparc64: unify mm/
- move all sparc64/mm/ files to arch/sparc/mm/
- commonly named files are named _64.c
- add files to sparc/mm/Makefile preserving link order
- delete now unused sparc64/mm/Makefile
- sparc64 now finds mm/ in sparc
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'arch/sparc/mm/init_64.h')
| -rw-r--r-- | arch/sparc/mm/init_64.h | 49 |
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 00000000000..16063870a48 --- /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 */ |