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28 | */ |
28 | */ |
29 | 29 | ||
30 | #ifndef __ia64_PAGE_H__ |
30 | #ifndef __ia64_PAGE_H__ |
31 | #define __ia64_PAGE_H__ |
31 | #define __ia64_PAGE_H__ |
32 | 32 | ||
33 | #ifndef __ASM__ |
- | |
34 | - | ||
35 | - | ||
36 | #include <arch/mm/frame.h> |
- | |
37 | #include <arch/barrier.h> |
- | |
38 | #include <genarch/mm/page_ht.h> |
- | |
39 | #include <arch/mm/asid.h> |
- | |
40 | #include <arch/types.h> |
- | |
41 | #include <typedefs.h> |
- | |
42 | #include <debug.h> |
- | |
43 | - | ||
44 | #endif |
- | |
45 | - | ||
46 | #define PAGE_SIZE FRAME_SIZE |
33 | #define PAGE_SIZE FRAME_SIZE |
47 | #define PAGE_WIDTH FRAME_WIDTH |
34 | #define PAGE_WIDTH FRAME_WIDTH |
48 | #define KERNEL_PAGE_WIDTH 28 |
- | |
49 | - | ||
50 | 35 | ||
- | 36 | /** Bit width of the TLB-locked portion of kernel address space. */ |
|
- | 37 | #define KERNEL_PAGE_WIDTH 28 /* 256M */ |
|
51 | 38 | ||
52 | #define SET_PTL0_ADDRESS_ARCH(x) /**< To be removed as situation permits. */ |
39 | #define SET_PTL0_ADDRESS_ARCH(x) /**< To be removed as situation permits. */ |
53 | 40 | ||
54 | #define PPN_SHIFT 12 |
41 | #define PPN_SHIFT 12 |
55 | 42 | ||
56 | #define VRN_SHIFT 61 |
43 | #define VRN_SHIFT 61 |
57 | #define VRN_MASK (7LL << VRN_SHIFT) |
44 | #define VRN_MASK (7LL << VRN_SHIFT) |
- | 45 | #define VA2VRN(va) ((va)>>VRN_SHIFT) |
|
58 | 46 | ||
59 | #ifdef __ASM__ |
47 | #ifdef __ASM__ |
60 | #define VRN_KERNEL 7 |
48 | #define VRN_KERNEL 7 |
61 | #else |
49 | #else |
62 | #define VRN_KERNEL 7LL |
50 | #define VRN_KERNEL 7LL |
Line 65... | Line 53... | ||
65 | #define REGION_REGISTERS 8 |
53 | #define REGION_REGISTERS 8 |
66 | 54 | ||
67 | #define KA2PA(x) ((__address) (x-(VRN_KERNEL<<VRN_SHIFT))) |
55 | #define KA2PA(x) ((__address) (x-(VRN_KERNEL<<VRN_SHIFT))) |
68 | #define PA2KA(x) ((__address) (x+(VRN_KERNEL<<VRN_SHIFT))) |
56 | #define PA2KA(x) ((__address) (x+(VRN_KERNEL<<VRN_SHIFT))) |
69 | 57 | ||
70 | - | ||
71 | #define VHPT_WIDTH 20 /* 1M */ |
58 | #define VHPT_WIDTH 20 /* 1M */ |
72 | #define VHPT_SIZE (1 << VHPT_WIDTH) |
59 | #define VHPT_SIZE (1 << VHPT_WIDTH) |
73 | #define VHPT_BASE 0 /* Must be aligned to VHPT_SIZE */ |
60 | #define VHPT_BASE 0 /* Must be aligned to VHPT_SIZE */ |
74 | 61 | ||
75 | #define PTA_BASE_SHIFT 15 |
62 | #define PTA_BASE_SHIFT 15 |
Line 85... | Line 72... | ||
85 | /* Access Rigths. Only certain combinations are used by the kernel. */ |
72 | /* Access Rigths. Only certain combinations are used by the kernel. */ |
86 | #define AR_READ 0x0 |
73 | #define AR_READ 0x0 |
87 | #define AR_EXECUTE 0x1 |
74 | #define AR_EXECUTE 0x1 |
88 | #define AR_WRITE 0x2 |
75 | #define AR_WRITE 0x2 |
89 | 76 | ||
90 | - | ||
91 | #define VA_REGION_INDEX 61 |
- | |
92 | - | ||
93 | #define VA_REGION(va) (va>>VA_REGION_INDEX) |
- | |
94 | - | ||
95 | #ifndef __ASM__ |
77 | #ifndef __ASM__ |
96 | 78 | ||
- | 79 | #include <arch/mm/frame.h> |
|
- | 80 | #include <arch/barrier.h> |
|
- | 81 | #include <genarch/mm/page_ht.h> |
|
- | 82 | #include <arch/mm/asid.h> |
|
- | 83 | #include <arch/types.h> |
|
- | 84 | #include <typedefs.h> |
|
- | 85 | #include <debug.h> |
|
- | 86 | ||
97 | struct vhpt_tag_info { |
87 | struct vhpt_tag_info { |
98 | unsigned long long tag : 63; |
88 | unsigned long long tag : 63; |
99 | unsigned ti : 1; |
89 | unsigned ti : 1; |
100 | } __attribute__ ((packed)); |
90 | } __attribute__ ((packed)); |
101 | 91 | ||
Line 153... | Line 143... | ||
153 | struct vhpt_entry_present present; |
143 | struct vhpt_entry_present present; |
154 | struct vhpt_entry_not_present not_present; |
144 | struct vhpt_entry_not_present not_present; |
155 | __u64 word[4]; |
145 | __u64 word[4]; |
156 | } vhpt_entry_t; |
146 | } vhpt_entry_t; |
157 | 147 | ||
158 | typedef vhpt_entry_t tlb_entry_t; |
- | |
159 | - | ||
160 | struct region_register_map { |
148 | struct region_register_map { |
161 | unsigned ve : 1; |
149 | unsigned ve : 1; |
162 | unsigned : 1; |
150 | unsigned : 1; |
163 | unsigned ps : 6; |
151 | unsigned ps : 6; |
164 | unsigned rid : 24; |
152 | unsigned rid : 24; |
Line 228... | Line 216... | ||
228 | */ |
216 | */ |
229 | static inline __u64 rr_read(index_t i) |
217 | static inline __u64 rr_read(index_t i) |
230 | { |
218 | { |
231 | __u64 ret; |
219 | __u64 ret; |
232 | ASSERT(i < REGION_REGISTERS); |
220 | ASSERT(i < REGION_REGISTERS); |
233 | i=i<<VRN_SHIFT; |
- | |
234 | __asm__ volatile ("mov %0 = rr[%1]\n" : "=r" (ret) : "r" (i)); |
221 | __asm__ volatile ("mov %0 = rr[%1]\n" : "=r" (ret) : "r" (i << VRN_SHIFT)); |
235 | - | ||
236 | return ret; |
222 | return ret; |
237 | } |
223 | } |
238 | 224 | ||
239 | - | ||
240 | /** Write Region Register. |
225 | /** Write Region Register. |
241 | * |
226 | * |
242 | * @param i Region register index. |
227 | * @param i Region register index. |
243 | * @param v Value to be written to rr[i]. |
228 | * @param v Value to be written to rr[i]. |
244 | */ |
229 | */ |
245 | static inline void rr_write(index_t i, __u64 v) |
230 | static inline void rr_write(index_t i, __u64 v) |
246 | { |
231 | { |
247 | ASSERT(i < REGION_REGISTERS); |
232 | ASSERT(i < REGION_REGISTERS); |
248 | i=i<<VRN_SHIFT; |
- | |
249 | __asm__ volatile ( |
233 | __asm__ volatile ( |
250 | "mov rr[%0] = %1;;\n" |
234 | "mov rr[%0] = %1\n" |
251 | : |
235 | : |
252 | : "r" (i), "r" (v)); |
236 | : "r" (i << VRN_SHIFT), "r" (v) |
- | 237 | ); |
|
253 | } |
238 | } |
254 | 239 | ||
255 | /** Read Page Table Register. |
240 | /** Read Page Table Register. |
256 | * |
241 | * |
257 | * @return Current value stored in PTA. |
242 | * @return Current value stored in PTA. |
Line 278... | Line 263... | ||
278 | 263 | ||
279 | extern vhpt_entry_t *vhpt_hash(__address page, asid_t asid); |
264 | extern vhpt_entry_t *vhpt_hash(__address page, asid_t asid); |
280 | extern bool vhpt_compare(__address page, asid_t asid, vhpt_entry_t *v); |
265 | extern bool vhpt_compare(__address page, asid_t asid, vhpt_entry_t *v); |
281 | extern void vhpt_set_record(vhpt_entry_t *v, __address page, asid_t asid, __address frame, int flags); |
266 | extern void vhpt_set_record(vhpt_entry_t *v, __address page, asid_t asid, __address frame, int flags); |
282 | 267 | ||
283 | - | ||
284 | - | ||
285 | #endif |
268 | #endif |
286 | 269 | ||
287 | #endif |
270 | #endif |
288 | - | ||
289 | - |