projects / deliverable / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| b50f1704 G |
1 | /* |
| 2 | * linux/arch/unicore32/mm/mm.h | |
| 3 | * | |
| 4 | * Code specific to PKUnity SoC and UniCore ISA | |
| 5 | * | |
| 6 | * Copyright (C) 2001-2010 GUAN Xue-tao | |
| 7 | * | |
| 8 | * This program is free software; you can redistribute it and/or modify | |
| 9 | * it under the terms of the GNU General Public License version 2 as | |
| 10 | * published by the Free Software Foundation. | |
| 11 | */ | |
| 8978bfd2 GX |
12 | #include <asm/hwdef-copro.h> |
| 13 | ||
| b50f1704 G |
14 | /* the upper-most page table pointer */ |
| 15 | extern pmd_t *top_pmd; | |
| 16 | extern int sysctl_overcommit_memory; | |
| 17 | ||
| 18 | #define TOP_PTE(x) pte_offset_kernel(top_pmd, x) | |
| 19 | ||
| 20 | static inline pmd_t *pmd_off(pgd_t *pgd, unsigned long virt) | |
| 21 | { | |
| 22 | return pmd_offset((pud_t *)pgd, virt); | |
| 23 | } | |
| 24 | ||
| 25 | static inline pmd_t *pmd_off_k(unsigned long virt) | |
| 26 | { | |
| 27 | return pmd_off(pgd_offset_k(virt), virt); | |
| 28 | } | |
| 29 | ||
| 30 | struct mem_type { | |
| 31 | unsigned int prot_pte; | |
| 32 | unsigned int prot_l1; | |
| 33 | unsigned int prot_sect; | |
| 34 | }; | |
| 35 | ||
| 36 | const struct mem_type *get_mem_type(unsigned int type); | |
| 37 | ||
| 38 | extern void __flush_dcache_page(struct address_space *, struct page *); | |
| 8978bfd2 GX |
39 | extern void hook_fault_code(int nr, int (*fn) |
| 40 | (unsigned long, unsigned int, struct pt_regs *), | |
| 41 | int sig, int code, const char *name); | |
| b50f1704 G |
42 | |
| 43 | void __init bootmem_init(void); | |
| 44 | void uc32_mm_memblock_reserve(void); |