diff options
author | Ingo Molnar <mingo@elte.hu> | 2008-10-15 13:46:29 +0200 |
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committer | Ingo Molnar <mingo@elte.hu> | 2008-10-15 13:46:29 +0200 |
commit | b2aaf8f74cdc84a9182f6cabf198b7763bcb9d40 (patch) | |
tree | 53ccb1c2c14751fe69cf93102e76e97021f6df07 /arch/sparc64/mm/init.h | |
parent | 4f962d4d65923d7b722192e729840cfb79af0a5a (diff) | |
parent | 278429cff8809958d25415ba0ed32b59866ab1a8 (diff) |
Merge branch 'linus' into stackprotector
Conflicts:
arch/x86/kernel/Makefile
include/asm-x86/pda.h
Diffstat (limited to 'arch/sparc64/mm/init.h')
-rw-r--r-- | arch/sparc64/mm/init.h | 49 |
1 files changed, 49 insertions, 0 deletions
diff --git a/arch/sparc64/mm/init.h b/arch/sparc64/mm/init.h new file mode 100644 index 00000000000..16063870a48 --- /dev/null +++ b/arch/sparc64/mm/init.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 */ |