You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
49 lines
1.5 KiB
49 lines
1.5 KiB
#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 */
|
|
|