1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16#include <linux/mm.h>
17#include <asm/mmu.h>
18
19#ifdef CONFIG_PPC_MMU_NOHASH
20#include <asm/trace.h>
21
22
23
24
25#if defined(CONFIG_40x) || defined(CONFIG_PPC_8xx)
26static inline void _tlbil_all(void)
27{
28 asm volatile ("sync; tlbia; isync" : : : "memory");
29 trace_tlbia(MMU_NO_CONTEXT);
30}
31static inline void _tlbil_pid(unsigned int pid)
32{
33 asm volatile ("sync; tlbia; isync" : : : "memory");
34 trace_tlbia(pid);
35}
36#define _tlbil_pid_noind(pid) _tlbil_pid(pid)
37
38#else
39extern void _tlbil_all(void);
40extern void _tlbil_pid(unsigned int pid);
41#ifdef CONFIG_PPC_BOOK3E
42extern void _tlbil_pid_noind(unsigned int pid);
43#else
44#define _tlbil_pid_noind(pid) _tlbil_pid(pid)
45#endif
46#endif
47
48
49
50
51#ifdef CONFIG_PPC_8xx
52static inline void _tlbil_va(unsigned long address, unsigned int pid,
53 unsigned int tsize, unsigned int ind)
54{
55 asm volatile ("tlbie %0; sync" : : "r" (address) : "memory");
56 trace_tlbie(0, 0, address, pid, 0, 0, 0);
57}
58#elif defined(CONFIG_PPC_BOOK3E)
59extern void _tlbil_va(unsigned long address, unsigned int pid,
60 unsigned int tsize, unsigned int ind);
61#else
62extern void __tlbil_va(unsigned long address, unsigned int pid);
63static inline void _tlbil_va(unsigned long address, unsigned int pid,
64 unsigned int tsize, unsigned int ind)
65{
66 __tlbil_va(address, pid);
67}
68#endif
69
70#if defined(CONFIG_PPC_BOOK3E) || defined(CONFIG_PPC_47x)
71extern void _tlbivax_bcast(unsigned long address, unsigned int pid,
72 unsigned int tsize, unsigned int ind);
73#else
74static inline void _tlbivax_bcast(unsigned long address, unsigned int pid,
75 unsigned int tsize, unsigned int ind)
76{
77 BUG();
78}
79#endif
80
81static inline void print_system_hash_info(void) {}
82
83#else
84
85void print_system_hash_info(void);
86
87#endif
88
89#ifdef CONFIG_PPC32
90
91extern void mapin_ram(void);
92extern void setbat(int index, unsigned long virt, phys_addr_t phys,
93 unsigned int size, pgprot_t prot);
94
95extern int __map_without_bats;
96extern unsigned int rtas_data, rtas_size;
97
98struct hash_pte;
99extern u8 early_hash[];
100
101#endif
102
103extern unsigned long __max_low_memory;
104extern phys_addr_t __initial_memory_limit_addr;
105extern phys_addr_t total_memory;
106extern phys_addr_t total_lowmem;
107extern phys_addr_t memstart_addr;
108extern phys_addr_t lowmem_end_addr;
109
110#ifdef CONFIG_WII
111extern unsigned long wii_hole_start;
112extern unsigned long wii_hole_size;
113
114extern unsigned long wii_mmu_mapin_mem2(unsigned long top);
115extern void wii_memory_fixups(void);
116#endif
117
118
119
120
121#ifdef CONFIG_PPC32
122extern void MMU_init_hw(void);
123void MMU_init_hw_patch(void);
124unsigned long mmu_mapin_ram(unsigned long base, unsigned long top);
125#endif
126
127#ifdef CONFIG_PPC_FSL_BOOK3E
128extern unsigned long map_mem_in_cams(unsigned long ram, int max_cam_idx,
129 bool dryrun);
130extern unsigned long calc_cam_sz(unsigned long ram, unsigned long virt,
131 phys_addr_t phys);
132#ifdef CONFIG_PPC32
133extern void adjust_total_lowmem(void);
134extern int switch_to_as1(void);
135extern void restore_to_as0(int esel, int offset, void *dt_ptr, int bootcpu);
136void create_kaslr_tlb_entry(int entry, unsigned long virt, phys_addr_t phys);
137void reloc_kernel_entry(void *fdt, int addr);
138extern int is_second_reloc;
139#endif
140extern void loadcam_entry(unsigned int index);
141extern void loadcam_multi(int first_idx, int num, int tmp_idx);
142
143#ifdef CONFIG_RANDOMIZE_BASE
144void kaslr_early_init(void *dt_ptr, phys_addr_t size);
145void kaslr_late_init(void);
146#else
147static inline void kaslr_early_init(void *dt_ptr, phys_addr_t size) {}
148static inline void kaslr_late_init(void) {}
149#endif
150
151struct tlbcam {
152 u32 MAS0;
153 u32 MAS1;
154 unsigned long MAS2;
155 u32 MAS3;
156 u32 MAS7;
157};
158#endif
159
160#if defined(CONFIG_PPC_BOOK3S_32) || defined(CONFIG_FSL_BOOKE) || defined(CONFIG_PPC_8xx)
161
162
163
164phys_addr_t v_block_mapped(unsigned long va);
165unsigned long p_block_mapped(phys_addr_t pa);
166#else
167static inline phys_addr_t v_block_mapped(unsigned long va) { return 0; }
168static inline unsigned long p_block_mapped(phys_addr_t pa) { return 0; }
169#endif
170
171#if defined(CONFIG_PPC_BOOK3S_32) || defined(CONFIG_PPC_8xx)
172void mmu_mark_initmem_nx(void);
173void mmu_mark_rodata_ro(void);
174#else
175static inline void mmu_mark_initmem_nx(void) { }
176static inline void mmu_mark_rodata_ro(void) { }
177#endif
178
179#ifdef CONFIG_PPC_8xx
180void __init mmu_mapin_immr(void);
181#endif
182
183#ifdef CONFIG_PPC_DEBUG_WX
184void ptdump_check_wx(void);
185#else
186static inline void ptdump_check_wx(void) { }
187#endif
188