projects / deliverable / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| af1ee569 DM |
1 | #ifndef _SPARC64_MM_INIT_H |
| 2 | #define _SPARC64_MM_INIT_H | |
| 3 | ||
| bb7b4353 DM |
4 | #include <asm/page.h> |
| 5 | ||
| af1ee569 DM |
6 | /* Most of the symbols in this file are defined in init.c and |
| 7 | * marked non-static so that assembler code can get at them. | |
| 8 | */ | |
| 9 | ||
| bb7b4353 | 10 | #define MAX_PHYS_ADDRESS (1UL << MAX_PHYS_ADDRESS_BITS) |
| d8ed1d43 | 11 | #define KPTE_BITMAP_CHUNK_SZ (256UL * 1024UL * 1024UL) |
| af1ee569 | 12 | #define KPTE_BITMAP_BYTES \ |
| 4f93d21d | 13 | ((MAX_PHYS_ADDRESS / KPTE_BITMAP_CHUNK_SZ) / 4) |
| d8ed1d43 DM |
14 | #define VALID_ADDR_BITMAP_CHUNK_SZ (4UL * 1024UL * 1024UL) |
| 15 | #define VALID_ADDR_BITMAP_BYTES \ | |
| 16 | ((MAX_PHYS_ADDRESS / VALID_ADDR_BITMAP_CHUNK_SZ) / 8) | |
| af1ee569 | 17 | |
| 4f93d21d | 18 | extern unsigned long kern_linear_pte_xor[4]; |
| af1ee569 DM |
19 | extern unsigned long kpte_linear_bitmap[KPTE_BITMAP_BYTES / sizeof(unsigned long)]; |
| 20 | extern unsigned int sparc64_highest_unlocked_tlb_ent; | |
| 21 | extern unsigned long sparc64_kern_pri_context; | |
| 22 | extern unsigned long sparc64_kern_pri_nuc_bits; | |
| 23 | extern unsigned long sparc64_kern_sec_context; | |
| 24 | extern void mmu_info(struct seq_file *m); | |
| 25 | ||
| 26 | struct linux_prom_translation { | |
| 27 | unsigned long virt; | |
| 28 | unsigned long size; | |
| 29 | unsigned long data; | |
| 30 | }; | |
| 31 | ||
| 32 | /* Exported for kernel TLB miss handling in ktlb.S */ | |
| 33 | extern struct linux_prom_translation prom_trans[512]; | |
| 34 | extern unsigned int prom_trans_ents; | |
| 35 | ||
| 36 | /* Exported for SMP bootup purposes. */ | |
| 37 | extern unsigned long kern_locked_tte_data; | |
| 38 | ||
| 39 | extern void prom_world(int enter); | |
| 40 | ||
| af1ee569 DM |
41 | #ifdef CONFIG_SPARSEMEM_VMEMMAP |
| 42 | #define VMEMMAP_CHUNK_SHIFT 22 | |
| 43 | #define VMEMMAP_CHUNK (1UL << VMEMMAP_CHUNK_SHIFT) | |
| 44 | #define VMEMMAP_CHUNK_MASK ~(VMEMMAP_CHUNK - 1UL) | |
| 45 | #define VMEMMAP_ALIGN(x) (((x)+VMEMMAP_CHUNK-1UL)&VMEMMAP_CHUNK_MASK) | |
| 46 | ||
| 47 | #define VMEMMAP_SIZE ((((1UL << MAX_PHYSADDR_BITS) >> PAGE_SHIFT) * \ | |
| bffbc94a | 48 | sizeof(struct page)) >> VMEMMAP_CHUNK_SHIFT) |
| af1ee569 DM |
49 | extern unsigned long vmemmap_table[VMEMMAP_SIZE]; |
| 50 | #endif | |
| 51 | ||
| 52 | #endif /* _SPARC64_MM_INIT_H */ |