diff options
author | Ingo Molnar <mingo@elte.hu> | 2009-02-17 11:20:11 -0500 |
---|---|---|
committer | Ingo Molnar <mingo@elte.hu> | 2009-02-17 11:20:11 -0500 |
commit | 0b6de0092244c98b5ba1abda34c92470a20e0d0c (patch) | |
tree | 478e4e18c33fd9fa517559e1ce951fe378d5965f /arch/x86/include | |
parent | 37a25424252b6cff4dd4b1937ab6a1dbfcadabcc (diff) | |
parent | f62bae5009c1ba596cd475cafbc83e0570a36e26 (diff) |
Merge branch 'x86/apic' into perfcounters/core
Conflicts:
arch/x86/kernel/cpu/perfctr-watchdog.c
Diffstat (limited to 'arch/x86/include')
24 files changed, 1141 insertions, 1053 deletions
diff --git a/arch/x86/include/asm/apic.h b/arch/x86/include/asm/apic.h index fba49f66228f..dce1bf696cca 100644 --- a/arch/x86/include/asm/apic.h +++ b/arch/x86/include/asm/apic.h | |||
@@ -1,15 +1,18 @@ | |||
1 | #ifndef _ASM_X86_APIC_H | 1 | #ifndef _ASM_X86_APIC_H |
2 | #define _ASM_X86_APIC_H | 2 | #define _ASM_X86_APIC_H |
3 | 3 | ||
4 | #include <linux/pm.h> | 4 | #include <linux/cpumask.h> |
5 | #include <linux/delay.h> | 5 | #include <linux/delay.h> |
6 | #include <linux/pm.h> | ||
6 | 7 | ||
7 | #include <asm/alternative.h> | 8 | #include <asm/alternative.h> |
8 | #include <asm/fixmap.h> | 9 | #include <asm/cpufeature.h> |
9 | #include <asm/apicdef.h> | ||
10 | #include <asm/processor.h> | 10 | #include <asm/processor.h> |
11 | #include <asm/apicdef.h> | ||
12 | #include <asm/atomic.h> | ||
13 | #include <asm/fixmap.h> | ||
14 | #include <asm/mpspec.h> | ||
11 | #include <asm/system.h> | 15 | #include <asm/system.h> |
12 | #include <asm/cpufeature.h> | ||
13 | #include <asm/msr.h> | 16 | #include <asm/msr.h> |
14 | 17 | ||
15 | #define ARCH_APICTIMER_STOPS_ON_C3 1 | 18 | #define ARCH_APICTIMER_STOPS_ON_C3 1 |
@@ -92,6 +95,12 @@ static inline u32 native_apic_mem_read(u32 reg) | |||
92 | return *((volatile u32 *)(APIC_BASE + reg)); | 95 | return *((volatile u32 *)(APIC_BASE + reg)); |
93 | } | 96 | } |
94 | 97 | ||
98 | extern void native_apic_wait_icr_idle(void); | ||
99 | extern u32 native_safe_apic_wait_icr_idle(void); | ||
100 | extern void native_apic_icr_write(u32 low, u32 id); | ||
101 | extern u64 native_apic_icr_read(void); | ||
102 | |||
103 | #ifdef CONFIG_X86_X2APIC | ||
95 | static inline void native_apic_msr_write(u32 reg, u32 v) | 104 | static inline void native_apic_msr_write(u32 reg, u32 v) |
96 | { | 105 | { |
97 | if (reg == APIC_DFR || reg == APIC_ID || reg == APIC_LDR || | 106 | if (reg == APIC_DFR || reg == APIC_ID || reg == APIC_LDR || |
@@ -112,7 +121,31 @@ static inline u32 native_apic_msr_read(u32 reg) | |||
112 | return low; | 121 | return low; |
113 | } | 122 | } |
114 | 123 | ||
115 | #ifndef CONFIG_X86_32 | 124 | static inline void native_x2apic_wait_icr_idle(void) |
125 | { | ||
126 | /* no need to wait for icr idle in x2apic */ | ||
127 | return; | ||
128 | } | ||
129 | |||
130 | static inline u32 native_safe_x2apic_wait_icr_idle(void) | ||
131 | { | ||
132 | /* no need to wait for icr idle in x2apic */ | ||
133 | return 0; | ||
134 | } | ||
135 | |||
136 | static inline void native_x2apic_icr_write(u32 low, u32 id) | ||
137 | { | ||
138 | wrmsrl(APIC_BASE_MSR + (APIC_ICR >> 4), ((__u64) id) << 32 | low); | ||
139 | } | ||
140 | |||
141 | static inline u64 native_x2apic_icr_read(void) | ||
142 | { | ||
143 | unsigned long val; | ||
144 | |||
145 | rdmsrl(APIC_BASE_MSR + (APIC_ICR >> 4), val); | ||
146 | return val; | ||
147 | } | ||
148 | |||
116 | extern int x2apic; | 149 | extern int x2apic; |
117 | extern void check_x2apic(void); | 150 | extern void check_x2apic(void); |
118 | extern void enable_x2apic(void); | 151 | extern void enable_x2apic(void); |
@@ -131,53 +164,24 @@ static inline int x2apic_enabled(void) | |||
131 | return 0; | 164 | return 0; |
132 | } | 165 | } |
133 | #else | 166 | #else |
134 | #define x2apic_enabled() 0 | 167 | static inline void check_x2apic(void) |
135 | #endif | ||
136 | |||
137 | struct apic_ops { | ||
138 | u32 (*read)(u32 reg); | ||
139 | void (*write)(u32 reg, u32 v); | ||
140 | u64 (*icr_read)(void); | ||
141 | void (*icr_write)(u32 low, u32 high); | ||
142 | void (*wait_icr_idle)(void); | ||
143 | u32 (*safe_wait_icr_idle)(void); | ||
144 | }; | ||
145 | |||
146 | extern struct apic_ops *apic_ops; | ||
147 | |||
148 | static inline u32 apic_read(u32 reg) | ||
149 | { | 168 | { |
150 | return apic_ops->read(reg); | ||
151 | } | 169 | } |
152 | 170 | static inline void enable_x2apic(void) | |
153 | static inline void apic_write(u32 reg, u32 val) | ||
154 | { | 171 | { |
155 | apic_ops->write(reg, val); | ||
156 | } | 172 | } |
157 | 173 | static inline void enable_IR_x2apic(void) | |
158 | static inline u64 apic_icr_read(void) | ||
159 | { | 174 | { |
160 | return apic_ops->icr_read(); | ||
161 | } | 175 | } |
162 | 176 | static inline int x2apic_enabled(void) | |
163 | static inline void apic_icr_write(u32 low, u32 high) | ||
164 | { | ||
165 | apic_ops->icr_write(low, high); | ||
166 | } | ||
167 | |||
168 | static inline void apic_wait_icr_idle(void) | ||
169 | { | ||
170 | apic_ops->wait_icr_idle(); | ||
171 | } | ||
172 | |||
173 | static inline u32 safe_apic_wait_icr_idle(void) | ||
174 | { | 177 | { |
175 | return apic_ops->safe_wait_icr_idle(); | 178 | return 0; |
176 | } | 179 | } |
180 | #endif | ||
177 | 181 | ||
178 | extern int get_physical_broadcast(void); | 182 | extern int get_physical_broadcast(void); |
179 | 183 | ||
180 | #ifdef CONFIG_X86_64 | 184 | #ifdef CONFIG_X86_X2APIC |
181 | static inline void ack_x2APIC_irq(void) | 185 | static inline void ack_x2APIC_irq(void) |
182 | { | 186 | { |
183 | /* Docs say use 0 for future compatibility */ | 187 | /* Docs say use 0 for future compatibility */ |
@@ -185,18 +189,6 @@ static inline void ack_x2APIC_irq(void) | |||
185 | } | 189 | } |
186 | #endif | 190 | #endif |
187 | 191 | ||
188 | |||
189 | static inline void ack_APIC_irq(void) | ||
190 | { | ||
191 | /* | ||
192 | * ack_APIC_irq() actually gets compiled as a single instruction | ||
193 | * ... yummie. | ||
194 | */ | ||
195 | |||
196 | /* Docs say use 0 for future compatibility */ | ||
197 | apic_write(APIC_EOI, 0); | ||
198 | } | ||
199 | |||
200 | extern int lapic_get_maxlvt(void); | 192 | extern int lapic_get_maxlvt(void); |
201 | extern void clear_local_APIC(void); | 193 | extern void clear_local_APIC(void); |
202 | extern void connect_bsp_APIC(void); | 194 | extern void connect_bsp_APIC(void); |
@@ -244,7 +236,138 @@ static inline void disable_local_APIC(void) { } | |||
244 | #define SET_APIC_ID(x) (apic->set_apic_id(x)) | 236 | #define SET_APIC_ID(x) (apic->set_apic_id(x)) |
245 | #else | 237 | #else |
246 | 238 | ||
247 | #ifdef CONFIG_X86_LOCAL_APIC | 239 | #endif |
240 | |||
241 | /* | ||
242 | * Copyright 2004 James Cleverdon, IBM. | ||
243 | * Subject to the GNU Public License, v.2 | ||
244 | * | ||
245 | * Generic APIC sub-arch data struct. | ||
246 | * | ||
247 | * Hacked for x86-64 by James Cleverdon from i386 architecture code by | ||
248 | * Martin Bligh, Andi Kleen, James Bottomley, John Stultz, and | ||
249 | * James Cleverdon. | ||
250 | */ | ||
251 | struct apic { | ||
252 | char *name; | ||
253 | |||
254 | int (*probe)(void); | ||
255 | int (*acpi_madt_oem_check)(char *oem_id, char *oem_table_id); | ||
256 | int (*apic_id_registered)(void); | ||
257 | |||
258 | u32 irq_delivery_mode; | ||
259 | u32 irq_dest_mode; | ||
260 | |||
261 | const struct cpumask *(*target_cpus)(void); | ||
262 | |||
263 | int disable_esr; | ||
264 | |||
265 | int dest_logical; | ||
266 | unsigned long (*check_apicid_used)(physid_mask_t bitmap, int apicid); | ||
267 | unsigned long (*check_apicid_present)(int apicid); | ||
268 | |||
269 | void (*vector_allocation_domain)(int cpu, struct cpumask *retmask); | ||
270 | void (*init_apic_ldr)(void); | ||
271 | |||
272 | physid_mask_t (*ioapic_phys_id_map)(physid_mask_t map); | ||
273 | |||
274 | void (*setup_apic_routing)(void); | ||
275 | int (*multi_timer_check)(int apic, int irq); | ||
276 | int (*apicid_to_node)(int logical_apicid); | ||
277 | int (*cpu_to_logical_apicid)(int cpu); | ||
278 | int (*cpu_present_to_apicid)(int mps_cpu); | ||
279 | physid_mask_t (*apicid_to_cpu_present)(int phys_apicid); | ||
280 | void (*setup_portio_remap)(void); | ||
281 | int (*check_phys_apicid_present)(int boot_cpu_physical_apicid); | ||
282 | void (*enable_apic_mode)(void); | ||
283 | int (*phys_pkg_id)(int cpuid_apic, int index_msb); | ||
284 | |||
285 | /* | ||
286 | * When one of the next two hooks returns 1 the apic | ||
287 | * is switched to this. Essentially they are additional | ||
288 | * probe functions: | ||
289 | */ | ||
290 | int (*mps_oem_check)(struct mpc_table *mpc, char *oem, char *productid); | ||
291 | |||
292 | unsigned int (*get_apic_id)(unsigned long x); | ||
293 | unsigned long (*set_apic_id)(unsigned int id); | ||
294 | unsigned long apic_id_mask; | ||
295 | |||
296 | unsigned int (*cpu_mask_to_apicid)(const struct cpumask *cpumask); | ||
297 | unsigned int (*cpu_mask_to_apicid_and)(const struct cpumask *cpumask, | ||
298 | const struct cpumask *andmask); | ||
299 | |||
300 | /* ipi */ | ||
301 | void (*send_IPI_mask)(const struct cpumask *mask, int vector); | ||
302 | void (*send_IPI_mask_allbutself)(const struct cpumask *mask, | ||
303 | int vector); | ||
304 | void (*send_IPI_allbutself)(int vector); | ||
305 | void (*send_IPI_all)(int vector); | ||
306 | void (*send_IPI_self)(int vector); | ||
307 | |||
308 | /* wakeup_secondary_cpu */ | ||
309 | int (*wakeup_cpu)(int apicid, unsigned long start_eip); | ||
310 | |||
311 | int trampoline_phys_low; | ||
312 | int trampoline_phys_high; | ||
313 | |||
314 | void (*wait_for_init_deassert)(atomic_t *deassert); | ||
315 | void (*smp_callin_clear_local_apic)(void); | ||
316 | void (*inquire_remote_apic)(int apicid); | ||
317 | |||
318 | /* apic ops */ | ||
319 | u32 (*read)(u32 reg); | ||
320 | void (*write)(u32 reg, u32 v); | ||
321 | u64 (*icr_read)(void); | ||
322 | void (*icr_write)(u32 low, u32 high); | ||
323 | void (*wait_icr_idle)(void); | ||
324 | u32 (*safe_wait_icr_idle)(void); | ||
325 | }; | ||
326 | |||
327 | extern struct apic *apic; | ||
328 | |||
329 | static inline u32 apic_read(u32 reg) | ||
330 | { | ||
331 | return apic->read(reg); | ||
332 | } | ||
333 | |||
334 | static inline void apic_write(u32 reg, u32 val) | ||
335 | { | ||
336 | apic->write(reg, val); | ||
337 | } | ||
338 | |||
339 | static inline u64 apic_icr_read(void) | ||
340 | { | ||
341 | return apic->icr_read(); | ||
342 | } | ||
343 | |||
344 | static inline void apic_icr_write(u32 low, u32 high) | ||
345 | { | ||
346 | apic->icr_write(low, high); | ||
347 | } | ||
348 | |||
349 | static inline void apic_wait_icr_idle(void) | ||
350 | { | ||
351 | apic->wait_icr_idle(); | ||
352 | } | ||
353 | |||
354 | static inline u32 safe_apic_wait_icr_idle(void) | ||
355 | { | ||
356 | return apic->safe_wait_icr_idle(); | ||
357 | } | ||
358 | |||
359 | |||
360 | static inline void ack_APIC_irq(void) | ||
361 | { | ||
362 | /* | ||
363 | * ack_APIC_irq() actually gets compiled as a single instruction | ||
364 | * ... yummie. | ||
365 | */ | ||
366 | |||
367 | /* Docs say use 0 for future compatibility */ | ||
368 | apic_write(APIC_EOI, 0); | ||
369 | } | ||
370 | |||
248 | static inline unsigned default_get_apic_id(unsigned long x) | 371 | static inline unsigned default_get_apic_id(unsigned long x) |
249 | { | 372 | { |
250 | unsigned int ver = GET_APIC_VERSION(apic_read(APIC_LVR)); | 373 | unsigned int ver = GET_APIC_VERSION(apic_read(APIC_LVR)); |
@@ -254,8 +377,171 @@ static inline unsigned default_get_apic_id(unsigned long x) | |||
254 | else | 377 | else |
255 | return (x >> 24) & 0x0F; | 378 | return (x >> 24) & 0x0F; |
256 | } | 379 | } |
380 | |||
381 | /* | ||
382 | * Warm reset vector default position: | ||
383 | */ | ||
384 | #define DEFAULT_TRAMPOLINE_PHYS_LOW 0x467 | ||
385 | #define DEFAULT_TRAMPOLINE_PHYS_HIGH 0x469 | ||
386 | |||
387 | #ifdef CONFIG_X86_32 | ||
388 | extern void es7000_update_apic_to_cluster(void); | ||
389 | #else | ||
390 | extern struct apic apic_flat; | ||
391 | extern struct apic apic_physflat; | ||
392 | extern struct apic apic_x2apic_cluster; | ||
393 | extern struct apic apic_x2apic_phys; | ||
394 | extern int default_acpi_madt_oem_check(char *, char *); | ||
395 | |||
396 | extern void apic_send_IPI_self(int vector); | ||
397 | |||
398 | extern struct apic apic_x2apic_uv_x; | ||
399 | DECLARE_PER_CPU(int, x2apic_extra_bits); | ||
400 | |||
401 | extern int default_cpu_present_to_apicid(int mps_cpu); | ||
402 | extern int default_check_phys_apicid_present(int boot_cpu_physical_apicid); | ||
403 | #endif | ||
404 | |||
405 | static inline void default_wait_for_init_deassert(atomic_t *deassert) | ||
406 | { | ||
407 | while (!atomic_read(deassert)) | ||
408 | cpu_relax(); | ||
409 | return; | ||
410 | } | ||
411 | |||
412 | extern void generic_bigsmp_probe(void); | ||
413 | |||
414 | |||
415 | #ifdef CONFIG_X86_LOCAL_APIC | ||
416 | |||
417 | #include <asm/smp.h> | ||
418 | |||
419 | #define APIC_DFR_VALUE (APIC_DFR_FLAT) | ||
420 | |||
421 | static inline const struct cpumask *default_target_cpus(void) | ||
422 | { | ||
423 | #ifdef CONFIG_SMP | ||
424 | return cpu_online_mask; | ||
425 | #else | ||
426 | return cpumask_of(0); | ||
257 | #endif | 427 | #endif |
428 | } | ||
429 | |||
430 | DECLARE_EARLY_PER_CPU(u16, x86_bios_cpu_apicid); | ||
431 | |||
432 | |||
433 | static inline unsigned int read_apic_id(void) | ||
434 | { | ||
435 | unsigned int reg; | ||
436 | |||
437 | reg = apic_read(APIC_ID); | ||
438 | |||
439 | return apic->get_apic_id(reg); | ||
440 | } | ||
441 | |||
442 | extern void default_setup_apic_routing(void); | ||
443 | |||
444 | #ifdef CONFIG_X86_32 | ||
445 | /* | ||
446 | * Set up the logical destination ID. | ||
447 | * | ||
448 | * Intel recommends to set DFR, LDR and TPR before enabling | ||
449 | * an APIC. See e.g. "AP-388 82489DX User's Manual" (Intel | ||
450 | * document number 292116). So here it goes... | ||
451 | */ | ||
452 | extern void default_init_apic_ldr(void); | ||
453 | |||
454 | static inline int default_apic_id_registered(void) | ||
455 | { | ||
456 | return physid_isset(read_apic_id(), phys_cpu_present_map); | ||
457 | } | ||
458 | |||
459 | static inline unsigned int | ||
460 | default_cpu_mask_to_apicid(const struct cpumask *cpumask) | ||
461 | { | ||
462 | return cpumask_bits(cpumask)[0]; | ||
463 | } | ||
464 | |||
465 | static inline unsigned int | ||
466 | default_cpu_mask_to_apicid_and(const struct cpumask *cpumask, | ||
467 | const struct cpumask *andmask) | ||
468 | { | ||
469 | unsigned long mask1 = cpumask_bits(cpumask)[0]; | ||
470 | unsigned long mask2 = cpumask_bits(andmask)[0]; | ||
471 | unsigned long mask3 = cpumask_bits(cpu_online_mask)[0]; | ||
472 | |||
473 | return (unsigned int)(mask1 & mask2 & mask3); | ||
474 | } | ||
475 | |||
476 | static inline int default_phys_pkg_id(int cpuid_apic, int index_msb) | ||
477 | { | ||
478 | return cpuid_apic >> index_msb; | ||
479 | } | ||
480 | |||
481 | extern int default_apicid_to_node(int logical_apicid); | ||
482 | |||
483 | #endif | ||
484 | |||
485 | static inline unsigned long default_check_apicid_used(physid_mask_t bitmap, int apicid) | ||
486 | { | ||
487 | return physid_isset(apicid, bitmap); | ||
488 | } | ||
489 | |||
490 | static inline unsigned long default_check_apicid_present(int bit) | ||
491 | { | ||
492 | return physid_isset(bit, phys_cpu_present_map); | ||
493 | } | ||
494 | |||
495 | static inline physid_mask_t default_ioapic_phys_id_map(physid_mask_t phys_map) | ||
496 | { | ||
497 | return phys_map; | ||
498 | } | ||
499 | |||
500 | /* Mapping from cpu number to logical apicid */ | ||
501 | static inline int default_cpu_to_logical_apicid(int cpu) | ||
502 | { | ||
503 | return 1 << cpu; | ||
504 | } | ||
505 | |||
506 | static inline int __default_cpu_present_to_apicid(int mps_cpu) | ||
507 | { | ||
508 | if (mps_cpu < nr_cpu_ids && cpu_present(mps_cpu)) | ||
509 | return (int)per_cpu(x86_bios_cpu_apicid, mps_cpu); | ||
510 | else | ||
511 | return BAD_APICID; | ||
512 | } | ||
513 | |||
514 | static inline int | ||
515 | __default_check_phys_apicid_present(int boot_cpu_physical_apicid) | ||
516 | { | ||
517 | return physid_isset(boot_cpu_physical_apicid, phys_cpu_present_map); | ||
518 | } | ||
519 | |||
520 | #ifdef CONFIG_X86_32 | ||
521 | static inline int default_cpu_present_to_apicid(int mps_cpu) | ||
522 | { | ||
523 | return __default_cpu_present_to_apicid(mps_cpu); | ||
524 | } | ||
525 | |||
526 | static inline int | ||
527 | default_check_phys_apicid_present(int boot_cpu_physical_apicid) | ||
528 | { | ||
529 | return __default_check_phys_apicid_present(boot_cpu_physical_apicid); | ||
530 | } | ||
531 | #else | ||
532 | extern int default_cpu_present_to_apicid(int mps_cpu); | ||
533 | extern int default_check_phys_apicid_present(int boot_cpu_physical_apicid); | ||
534 | #endif | ||
535 | |||
536 | static inline physid_mask_t default_apicid_to_cpu_present(int phys_apicid) | ||
537 | { | ||
538 | return physid_mask_of_physid(phys_apicid); | ||
539 | } | ||
540 | |||
541 | #endif /* CONFIG_X86_LOCAL_APIC */ | ||
258 | 542 | ||
543 | #ifdef CONFIG_X86_32 | ||
544 | extern u8 cpu_2_logical_apicid[NR_CPUS]; | ||
259 | #endif | 545 | #endif |
260 | 546 | ||
261 | #endif /* _ASM_X86_APIC_H */ | 547 | #endif /* _ASM_X86_APIC_H */ |
diff --git a/arch/x86/include/asm/genapic.h b/arch/x86/include/asm/genapic.h index 273b99452ae0..4b8b98fa7f25 100644 --- a/arch/x86/include/asm/genapic.h +++ b/arch/x86/include/asm/genapic.h | |||
@@ -1,263 +1 @@ | |||
1 | #ifndef _ASM_X86_GENAPIC_H | #include <asm/apic.h> | |
2 | #define _ASM_X86_GENAPIC_H | ||
3 | |||
4 | #include <linux/cpumask.h> | ||
5 | |||
6 | #include <asm/mpspec.h> | ||
7 | #include <asm/atomic.h> | ||
8 | |||
9 | /* | ||
10 | * Copyright 2004 James Cleverdon, IBM. | ||
11 | * Subject to the GNU Public License, v.2 | ||
12 | * | ||
13 | * Generic APIC sub-arch data struct. | ||
14 | * | ||
15 | * Hacked for x86-64 by James Cleverdon from i386 architecture code by | ||
16 | * Martin Bligh, Andi Kleen, James Bottomley, John Stultz, and | ||
17 | * James Cleverdon. | ||
18 | */ | ||
19 | struct genapic { | ||
20 | char *name; | ||
21 | |||
22 | int (*probe)(void); | ||
23 | int (*acpi_madt_oem_check)(char *oem_id, char *oem_table_id); | ||
24 | int (*apic_id_registered)(void); | ||
25 | |||
26 | u32 irq_delivery_mode; | ||
27 | u32 irq_dest_mode; | ||
28 | |||
29 | const struct cpumask *(*target_cpus)(void); | ||
30 | |||
31 | int disable_esr; | ||
32 | |||
33 | int dest_logical; | ||
34 | unsigned long (*check_apicid_used)(physid_mask_t bitmap, int apicid); | ||
35 | unsigned long (*check_apicid_present)(int apicid); | ||
36 | |||
37 | void (*vector_allocation_domain)(int cpu, struct cpumask *retmask); | ||
38 | void (*init_apic_ldr)(void); | ||
39 | |||
40 | physid_mask_t (*ioapic_phys_id_map)(physid_mask_t map); | ||
41 | |||
42 | void (*setup_apic_routing)(void); | ||
43 | int (*multi_timer_check)(int apic, int irq); | ||
44 | int (*apicid_to_node)(int logical_apicid); | ||
45 | int (*cpu_to_logical_apicid)(int cpu); | ||
46 | int (*cpu_present_to_apicid)(int mps_cpu); | ||
47 | physid_mask_t (*apicid_to_cpu_present)(int phys_apicid); | ||
48 | void (*setup_portio_remap)(void); | ||
49 | int (*check_phys_apicid_present)(int boot_cpu_physical_apicid); | ||
50 | void (*enable_apic_mode)(void); | ||
51 | int (*phys_pkg_id)(int cpuid_apic, int index_msb); | ||
52 | |||
53 | /* | ||
54 | * When one of the next two hooks returns 1 the genapic | ||
55 | * is switched to this. Essentially they are additional | ||
56 | * probe functions: | ||
57 | */ | ||
58 | int (*mps_oem_check)(struct mpc_table *mpc, char *oem, char *productid); | ||
59 | |||
60 | unsigned int (*get_apic_id)(unsigned long x); | ||
61 | unsigned long (*set_apic_id)(unsigned int id); | ||
62 | unsigned long apic_id_mask; | ||
63 | |||
64 | unsigned int (*cpu_mask_to_apicid)(const struct cpumask *cpumask); | ||
65 | unsigned int (*cpu_mask_to_apicid_and)(const struct cpumask *cpumask, | ||
66 | const struct cpumask *andmask); | ||
67 | |||
68 | /* ipi */ | ||
69 | void (*send_IPI_mask)(const struct cpumask *mask, int vector); | ||
70 | void (*send_IPI_mask_allbutself)(const struct cpumask *mask, | ||
71 | int vector); | ||
72 | void (*send_IPI_allbutself)(int vector); | ||
73 | void (*send_IPI_all)(int vector); | ||
74 | void (*send_IPI_self)(int vector); | ||
75 | |||
76 | /* wakeup_secondary_cpu */ | ||
77 | int (*wakeup_cpu)(int apicid, unsigned long start_eip); | ||
78 | |||
79 | int trampoline_phys_low; | ||
80 | int trampoline_phys_high; | ||
81 | |||
82 | void (*wait_for_init_deassert)(atomic_t *deassert); | ||
83 | void (*smp_callin_clear_local_apic)(void); | ||
84 | void (*store_NMI_vector)(unsigned short *high, unsigned short *low); | ||
85 | void (*inquire_remote_apic)(int apicid); | ||
86 | }; | ||
87 | |||
88 | extern struct genapic *apic; | ||
89 | |||
90 | /* | ||
91 | * Warm reset vector default position: | ||
92 | */ | ||
93 | #define DEFAULT_TRAMPOLINE_PHYS_LOW 0x467 | ||
94 | #define DEFAULT_TRAMPOLINE_PHYS_HIGH 0x469 | ||
95 | |||
96 | #ifdef CONFIG_X86_32 | ||
97 | extern void es7000_update_genapic_to_cluster(void); | ||
98 | #else | ||
99 | extern struct genapic apic_flat; | ||
100 | extern struct genapic apic_physflat; | ||
101 | extern struct genapic apic_x2apic_cluster; | ||
102 | extern struct genapic apic_x2apic_phys; | ||
103 | extern int default_acpi_madt_oem_check(char *, char *); | ||
104 | |||
105 | extern void apic_send_IPI_self(int vector); | ||
106 | |||
107 | extern struct genapic apic_x2apic_uv_x; | ||
108 | DECLARE_PER_CPU(int, x2apic_extra_bits); | ||
109 | |||
110 | extern void default_setup_apic_routing(void); | ||
111 | |||
112 | extern int default_cpu_present_to_apicid(int mps_cpu); | ||
113 | extern int default_check_phys_apicid_present(int boot_cpu_physical_apicid); | ||
114 | #endif | ||
115 | |||
116 | static inline void default_wait_for_init_deassert(atomic_t *deassert) | ||
117 | { | ||
118 | while (!atomic_read(deassert)) | ||
119 | cpu_relax(); | ||
120 | return; | ||
121 | } | ||
122 | |||
123 | extern void generic_bigsmp_probe(void); | ||
124 | |||
125 | |||
126 | #ifdef CONFIG_X86_LOCAL_APIC | ||
127 | |||
128 | #include <asm/smp.h> | ||
129 | |||
130 | #define APIC_DFR_VALUE (APIC_DFR_FLAT) | ||
131 | |||
132 | static inline const struct cpumask *default_target_cpus(void) | ||
133 | { | ||
134 | #ifdef CONFIG_SMP | ||
135 | return cpu_online_mask; | ||
136 | #else | ||
137 | return cpumask_of(0); | ||
138 | #endif | ||
139 | } | ||
140 | |||
141 | DECLARE_EARLY_PER_CPU(u16, x86_bios_cpu_apicid); | ||
142 | |||
143 | |||
144 | static inline unsigned int read_apic_id(void) | ||
145 | { | ||
146 | unsigned int reg; | ||
147 | |||
148 | reg = apic_read(APIC_ID); | ||
149 | |||
150 | return apic->get_apic_id(reg); | ||
151 | } | ||
152 | |||
153 | #ifdef CONFIG_X86_64 | ||
154 | extern void default_setup_apic_routing(void); | ||
155 | #else | ||
156 | |||
157 | /* | ||
158 | * Set up the logical destination ID. | ||
159 | * | ||
160 | * Intel recommends to set DFR, LDR and TPR before enabling | ||
161 | * an APIC. See e.g. "AP-388 82489DX User's Manual" (Intel | ||
162 | * document number 292116). So here it goes... | ||
163 | */ | ||
164 | extern void default_init_apic_ldr(void); | ||
165 | |||
166 | static inline int default_apic_id_registered(void) | ||
167 | { | ||
168 | return physid_isset(read_apic_id(), phys_cpu_present_map); | ||
169 | } | ||
170 | |||
171 | static inline unsigned int | ||
172 | default_cpu_mask_to_apicid(const struct cpumask *cpumask) | ||
173 | { | ||
174 | return cpumask_bits(cpumask)[0]; | ||
175 | } | ||
176 | |||
177 | static inline unsigned int | ||
178 | default_cpu_mask_to_apicid_and(const struct cpumask *cpumask, | ||
179 | const struct cpumask *andmask) | ||
180 | { | ||
181 | unsigned long mask1 = cpumask_bits(cpumask)[0]; | ||
182 | unsigned long mask2 = cpumask_bits(andmask)[0]; | ||
183 | unsigned long mask3 = cpumask_bits(cpu_online_mask)[0]; | ||
184 | |||
185 | return (unsigned int)(mask1 & mask2 & mask3); | ||
186 | } | ||
187 | |||
188 | static inline int default_phys_pkg_id(int cpuid_apic, int index_msb) | ||
189 | { | ||
190 | return cpuid_apic >> index_msb; | ||
191 | } | ||
192 | |||
193 | static inline void default_setup_apic_routing(void) | ||
194 | { | ||
195 | #ifdef CONFIG_X86_IO_APIC | ||
196 | printk("Enabling APIC mode: %s. Using %d I/O APICs\n", | ||
197 | "Flat", nr_ioapics); | ||
198 | #endif | ||
199 | } | ||
200 | |||
201 | extern int default_apicid_to_node(int logical_apicid); | ||
202 | |||
203 | #endif | ||
204 | |||
205 | static inline unsigned long default_check_apicid_used(physid_mask_t bitmap, int apicid) | ||
206 | { | ||
207 | return physid_isset(apicid, bitmap); | ||
208 | } | ||
209 | |||
210 | static inline unsigned long default_check_apicid_present(int bit) | ||
211 | { | ||
212 | return physid_isset(bit, phys_cpu_present_map); | ||
213 | } | ||
214 | |||
215 | static inline physid_mask_t default_ioapic_phys_id_map(physid_mask_t phys_map) | ||
216 | { | ||
217 | return phys_map; | ||
218 | } | ||
219 | |||
220 | /* Mapping from cpu number to logical apicid */ | ||
221 | static inline int default_cpu_to_logical_apicid(int cpu) | ||
222 | { | ||
223 | return 1 << cpu; | ||
224 | } | ||
225 | |||
226 | static inline int __default_cpu_present_to_apicid(int mps_cpu) | ||
227 | { | ||
228 | if (mps_cpu < nr_cpu_ids && cpu_present(mps_cpu)) | ||
229 | return (int)per_cpu(x86_bios_cpu_apicid, mps_cpu); | ||
230 | else | ||
231 | return BAD_APICID; | ||
232 | } | ||
233 | |||
234 | static inline int | ||
235 | __default_check_phys_apicid_present(int boot_cpu_physical_apicid) | ||
236 | { | ||
237 | return physid_isset(boot_cpu_physical_apicid, phys_cpu_present_map); | ||
238 | } | ||
239 | |||
240 | #ifdef CONFIG_X86_32 | ||
241 | static inline int default_cpu_present_to_apicid(int mps_cpu) | ||
242 | { | ||
243 | return __default_cpu_present_to_apicid(mps_cpu); | ||
244 | } | ||
245 | |||
246 | static inline int | ||
247 | default_check_phys_apicid_present(int boot_cpu_physical_apicid) | ||
248 | { | ||
249 | return __default_check_phys_apicid_present(boot_cpu_physical_apicid); | ||
250 | } | ||
251 | #else | ||
252 | extern int default_cpu_present_to_apicid(int mps_cpu); | ||
253 | extern int default_check_phys_apicid_present(int boot_cpu_physical_apicid); | ||
254 | #endif | ||
255 | |||
256 | static inline physid_mask_t default_apicid_to_cpu_present(int phys_apicid) | ||
257 | { | ||
258 | return physid_mask_of_physid(phys_apicid); | ||
259 | } | ||
260 | |||
261 | #endif /* CONFIG_X86_LOCAL_APIC */ | ||
262 | |||
263 | #endif /* _ASM_X86_GENAPIC_64_H */ | ||
diff --git a/arch/x86/include/asm/io.h b/arch/x86/include/asm/io.h index e5a2ab44cd5c..4f8e820cf38f 100644 --- a/arch/x86/include/asm/io.h +++ b/arch/x86/include/asm/io.h | |||
@@ -125,7 +125,7 @@ static inline void *phys_to_virt(phys_addr_t address) | |||
125 | /* | 125 | /* |
126 | * ISA I/O bus memory addresses are 1:1 with the physical address. | 126 | * ISA I/O bus memory addresses are 1:1 with the physical address. |
127 | */ | 127 | */ |
128 | #define isa_virt_to_bus virt_to_phys | 128 | #define isa_virt_to_bus (unsigned long)virt_to_phys |
129 | #define isa_page_to_bus page_to_phys | 129 | #define isa_page_to_bus page_to_phys |
130 | #define isa_bus_to_virt phys_to_virt | 130 | #define isa_bus_to_virt phys_to_virt |
131 | 131 | ||
diff --git a/arch/x86/include/asm/ipi.h b/arch/x86/include/asm/ipi.h index 5f2efc5d9927..0b7228268a63 100644 --- a/arch/x86/include/asm/ipi.h +++ b/arch/x86/include/asm/ipi.h | |||
@@ -123,8 +123,6 @@ extern void default_send_IPI_mask_sequence_phys(const struct cpumask *mask, | |||
123 | int vector); | 123 | int vector); |
124 | extern void default_send_IPI_mask_allbutself_phys(const struct cpumask *mask, | 124 | extern void default_send_IPI_mask_allbutself_phys(const struct cpumask *mask, |
125 | int vector); | 125 | int vector); |
126 | #include <asm/genapic.h> | ||
127 | |||
128 | extern void default_send_IPI_mask_sequence_logical(const struct cpumask *mask, | 126 | extern void default_send_IPI_mask_sequence_logical(const struct cpumask *mask, |
129 | int vector); | 127 | int vector); |
130 | extern void default_send_IPI_mask_allbutself_logical(const struct cpumask *mask, | 128 | extern void default_send_IPI_mask_allbutself_logical(const struct cpumask *mask, |
diff --git a/arch/x86/include/asm/mpspec.h b/arch/x86/include/asm/mpspec.h index 5916c8df09d9..642fc7fc8cdc 100644 --- a/arch/x86/include/asm/mpspec.h +++ b/arch/x86/include/asm/mpspec.h | |||
@@ -167,6 +167,4 @@ extern int generic_mps_oem_check(struct mpc_table *, char *, char *); | |||
167 | 167 | ||
168 | extern int default_acpi_madt_oem_check(char *, char *); | 168 | extern int default_acpi_madt_oem_check(char *, char *); |
169 | 169 | ||
170 | extern void numaq_mps_oem_check(struct mpc_table *, char *, char *); | ||
171 | |||
172 | #endif /* _ASM_X86_MPSPEC_H */ | 170 | #endif /* _ASM_X86_MPSPEC_H */ |
diff --git a/arch/x86/include/asm/page.h b/arch/x86/include/asm/page.h index 05f2da7f387a..89ed9d70b0aa 100644 --- a/arch/x86/include/asm/page.h +++ b/arch/x86/include/asm/page.h | |||
@@ -1,42 +1,11 @@ | |||
1 | #ifndef _ASM_X86_PAGE_H | 1 | #ifndef _ASM_X86_PAGE_H |
2 | #define _ASM_X86_PAGE_H | 2 | #define _ASM_X86_PAGE_H |
3 | 3 | ||
4 | #include <linux/const.h> | 4 | #include <linux/types.h> |
5 | |||
6 | /* PAGE_SHIFT determines the page size */ | ||
7 | #define PAGE_SHIFT 12 | ||
8 | #define PAGE_SIZE (_AC(1,UL) << PAGE_SHIFT) | ||
9 | #define PAGE_MASK (~(PAGE_SIZE-1)) | ||
10 | 5 | ||
11 | #ifdef __KERNEL__ | 6 | #ifdef __KERNEL__ |
12 | 7 | ||
13 | #define __PHYSICAL_MASK ((phys_addr_t)(1ULL << __PHYSICAL_MASK_SHIFT) - 1) | 8 | #include <asm/page_types.h> |
14 | #define __VIRTUAL_MASK ((1UL << __VIRTUAL_MASK_SHIFT) - 1) | ||
15 | |||
16 | /* Cast PAGE_MASK to a signed type so that it is sign-extended if | ||
17 | virtual addresses are 32-bits but physical addresses are larger | ||
18 | (ie, 32-bit PAE). */ | ||
19 | #define PHYSICAL_PAGE_MASK (((signed long)PAGE_MASK) & __PHYSICAL_MASK) | ||
20 | |||
21 | /* PTE_PFN_MASK extracts the PFN from a (pte|pmd|pud|pgd)val_t */ | ||
22 | #define PTE_PFN_MASK ((pteval_t)PHYSICAL_PAGE_MASK) | ||
23 | |||
24 | /* PTE_FLAGS_MASK extracts the flags from a (pte|pmd|pud|pgd)val_t */ | ||
25 | #define PTE_FLAGS_MASK (~PTE_PFN_MASK) | ||
26 | |||
27 | #define PMD_PAGE_SIZE (_AC(1, UL) << PMD_SHIFT) | ||
28 | #define PMD_PAGE_MASK (~(PMD_PAGE_SIZE-1)) | ||
29 | |||
30 | #define HPAGE_SHIFT PMD_SHIFT | ||
31 | #define HPAGE_SIZE (_AC(1,UL) << HPAGE_SHIFT) | ||
32 | #define HPAGE_MASK (~(HPAGE_SIZE - 1)) | ||
33 | #define HUGETLB_PAGE_ORDER (HPAGE_SHIFT - PAGE_SHIFT) | ||
34 | |||
35 | #define HUGE_MAX_HSTATE 2 | ||
36 | |||
37 | #ifndef __ASSEMBLY__ | ||
38 | #include <linux/types.h> | ||
39 | #endif | ||
40 | 9 | ||
41 | #ifdef CONFIG_X86_64 | 10 | #ifdef CONFIG_X86_64 |
42 | #include <asm/page_64.h> | 11 | #include <asm/page_64.h> |
@@ -44,38 +13,18 @@ | |||
44 | #include <asm/page_32.h> | 13 | #include <asm/page_32.h> |
45 | #endif /* CONFIG_X86_64 */ | 14 | #endif /* CONFIG_X86_64 */ |
46 | 15 | ||
47 | #define PAGE_OFFSET ((unsigned long)__PAGE_OFFSET) | ||
48 | |||
49 | #define VM_DATA_DEFAULT_FLAGS \ | ||
50 | (((current->personality & READ_IMPLIES_EXEC) ? VM_EXEC : 0 ) | \ | ||
51 | VM_READ | VM_WRITE | VM_MAYREAD | VM_MAYWRITE | VM_MAYEXEC) | ||
52 | |||
53 | |||
54 | #ifndef __ASSEMBLY__ | 16 | #ifndef __ASSEMBLY__ |
55 | 17 | ||
56 | typedef struct { pgdval_t pgd; } pgd_t; | ||
57 | typedef struct { pgprotval_t pgprot; } pgprot_t; | ||
58 | |||
59 | extern int page_is_ram(unsigned long pagenr); | ||
60 | extern int devmem_is_allowed(unsigned long pagenr); | ||
61 | extern void map_devmem(unsigned long pfn, unsigned long size, | ||
62 | pgprot_t vma_prot); | ||
63 | extern void unmap_devmem(unsigned long pfn, unsigned long size, | ||
64 | pgprot_t vma_prot); | ||
65 | |||
66 | extern unsigned long max_low_pfn_mapped; | ||
67 | extern unsigned long max_pfn_mapped; | ||
68 | |||
69 | struct page; | 18 | struct page; |
70 | 19 | ||
71 | static inline void clear_user_page(void *page, unsigned long vaddr, | 20 | static inline void clear_user_page(void *page, unsigned long vaddr, |
72 | struct page *pg) | 21 | struct page *pg) |
73 | { | 22 | { |
74 | clear_page(page); | 23 | clear_page(page); |
75 | } | 24 | } |
76 | 25 | ||
77 | static inline void copy_user_page(void *to, void *from, unsigned long vaddr, | 26 | static inline void copy_user_page(void *to, void *from, unsigned long vaddr, |
78 | struct page *topage) | 27 | struct page *topage) |
79 | { | 28 | { |
80 | copy_page(to, from); | 29 | copy_page(to, from); |
81 | } | 30 | } |
@@ -84,114 +33,6 @@ static inline void copy_user_page(void *to, void *from, unsigned long vaddr, | |||
84 | alloc_page_vma(GFP_HIGHUSER | __GFP_ZERO | movableflags, vma, vaddr) | 33 | alloc_page_vma(GFP_HIGHUSER | __GFP_ZERO | movableflags, vma, vaddr) |
85 | #define __HAVE_ARCH_ALLOC_ZEROED_USER_HIGHPAGE | 34 | #define __HAVE_ARCH_ALLOC_ZEROED_USER_HIGHPAGE |
86 | 35 | ||
87 | static inline pgd_t native_make_pgd(pgdval_t val) | ||
88 | { | ||
89 | return (pgd_t) { val }; | ||
90 | } | ||
91 | |||
92 | static inline pgdval_t native_pgd_val(pgd_t pgd) | ||
93 | { | ||
94 | return pgd.pgd; | ||
95 | } | ||
96 | |||
97 | static inline pgdval_t pgd_flags(pgd_t pgd) | ||
98 | { | ||
99 | return native_pgd_val(pgd) & PTE_FLAGS_MASK; | ||
100 | } | ||
101 | |||
102 | #if PAGETABLE_LEVELS >= 3 | ||
103 | #if PAGETABLE_LEVELS == 4 | ||
104 | typedef struct { pudval_t pud; } pud_t; | ||
105 | |||
106 | static inline pud_t native_make_pud(pmdval_t val) | ||
107 | { | ||
108 | return (pud_t) { val }; | ||
109 | } | ||
110 | |||
111 | static inline pudval_t native_pud_val(pud_t pud) | ||
112 | { | ||
113 | return pud.pud; | ||
114 | } | ||
115 | #else /* PAGETABLE_LEVELS == 3 */ | ||
116 | #include <asm-generic/pgtable-nopud.h> | ||
117 | |||
118 | static inline pudval_t native_pud_val(pud_t pud) | ||
119 | { | ||
120 | return native_pgd_val(pud.pgd); | ||
121 | } | ||
122 | #endif /* PAGETABLE_LEVELS == 4 */ | ||
123 | |||
124 | static inline pudval_t pud_flags(pud_t pud) | ||
125 | { | ||
126 | return native_pud_val(pud) & PTE_FLAGS_MASK; | ||
127 | } | ||
128 | |||
129 | typedef struct { pmdval_t pmd; } pmd_t; | ||
130 | |||
131 | static inline pmd_t native_make_pmd(pmdval_t val) | ||
132 | { | ||
133 | return (pmd_t) { val }; | ||
134 | } | ||
135 | |||
136 | static inline pmdval_t native_pmd_val(pmd_t pmd) | ||
137 | { | ||
138 | return pmd.pmd; | ||
139 | } | ||
140 | |||
141 | #else /* PAGETABLE_LEVELS == 2 */ | ||
142 | #include <asm-generic/pgtable-nopmd.h> | ||
143 | |||
144 | static inline pmdval_t native_pmd_val(pmd_t pmd) | ||
145 | { | ||
146 | return native_pgd_val(pmd.pud.pgd); | ||
147 | } | ||
148 | #endif /* PAGETABLE_LEVELS >= 3 */ | ||
149 | |||
150 | static inline pmdval_t pmd_flags(pmd_t pmd) | ||
151 | { | ||
152 | return native_pmd_val(pmd) & PTE_FLAGS_MASK; | ||
153 | } | ||
154 | |||
155 | static inline pte_t native_make_pte(pteval_t val) | ||
156 | { | ||
157 | return (pte_t) { .pte = val }; | ||
158 | } | ||
159 | |||
160 | static inline pteval_t native_pte_val(pte_t pte) | ||
161 | { | ||
162 | return pte.pte; | ||
163 | } | ||
164 | |||
165 | static inline pteval_t pte_flags(pte_t pte) | ||
166 | { | ||
167 | return native_pte_val(pte) & PTE_FLAGS_MASK; | ||
168 | } | ||
169 | |||
170 | #define pgprot_val(x) ((x).pgprot) | ||
171 | #define __pgprot(x) ((pgprot_t) { (x) } ) | ||
172 | |||
173 | #ifdef CONFIG_PARAVIRT | ||
174 | #include <asm/paravirt.h> | ||
175 | #else /* !CONFIG_PARAVIRT */ | ||
176 | |||
177 | #define pgd_val(x) native_pgd_val(x) | ||
178 | #define __pgd(x) native_make_pgd(x) | ||
179 | |||
180 | #ifndef __PAGETABLE_PUD_FOLDED | ||
181 | #define pud_val(x) native_pud_val(x) | ||
182 | #define __pud(x) native_make_pud(x) | ||
183 | #endif | ||
184 | |||
185 | #ifndef __PAGETABLE_PMD_FOLDED | ||
186 | #define pmd_val(x) native_pmd_val(x) | ||
187 | #define __pmd(x) native_make_pmd(x) | ||
188 | #endif | ||
189 | |||
190 | #define pte_val(x) native_pte_val(x) | ||
191 | #define __pte(x) native_make_pte(x) | ||
192 | |||
193 | #endif /* CONFIG_PARAVIRT */ | ||
194 | |||
195 | #define __pa(x) __phys_addr((unsigned long)(x)) | 36 | #define __pa(x) __phys_addr((unsigned long)(x)) |
196 | #define __pa_nodebug(x) __phys_addr_nodebug((unsigned long)(x)) | 37 | #define __pa_nodebug(x) __phys_addr_nodebug((unsigned long)(x)) |
197 | /* __pa_symbol should be used for C visible symbols. | 38 | /* __pa_symbol should be used for C visible symbols. |
diff --git a/arch/x86/include/asm/page_32.h b/arch/x86/include/asm/page_32.h index bcde0d7b4325..da4e762406f7 100644 --- a/arch/x86/include/asm/page_32.h +++ b/arch/x86/include/asm/page_32.h | |||
@@ -1,82 +1,14 @@ | |||
1 | #ifndef _ASM_X86_PAGE_32_H | 1 | #ifndef _ASM_X86_PAGE_32_H |
2 | #define _ASM_X86_PAGE_32_H | 2 | #define _ASM_X86_PAGE_32_H |
3 | 3 | ||
4 | /* | 4 | #include <asm/page_32_types.h> |
5 | * This handles the memory map. | ||
6 | * | ||
7 | * A __PAGE_OFFSET of 0xC0000000 means that the kernel has | ||
8 | * a virtual address space of one gigabyte, which limits the | ||
9 | * amount of physical memory you can use to about 950MB. | ||
10 | * | ||
11 | * If you want more physical memory than this then see the CONFIG_HIGHMEM4G | ||
12 | * and CONFIG_HIGHMEM64G options in the kernel configuration. | ||
13 | */ | ||
14 | #define __PAGE_OFFSET _AC(CONFIG_PAGE_OFFSET, UL) | ||
15 | |||
16 | #ifdef CONFIG_4KSTACKS | ||
17 | #define THREAD_ORDER 0 | ||
18 | #else | ||
19 | #define THREAD_ORDER 1 | ||
20 | #endif | ||
21 | #define THREAD_SIZE (PAGE_SIZE << THREAD_ORDER) | ||
22 | |||
23 | #define STACKFAULT_STACK 0 | ||
24 | #define DOUBLEFAULT_STACK 1 | ||
25 | #define NMI_STACK 0 | ||
26 | #define DEBUG_STACK 0 | ||
27 | #define MCE_STACK 0 | ||
28 | #define N_EXCEPTION_STACKS 1 | ||
29 | |||
30 | #ifdef CONFIG_X86_PAE | ||
31 | /* 44=32+12, the limit we can fit into an unsigned long pfn */ | ||
32 | #define __PHYSICAL_MASK_SHIFT 44 | ||
33 | #define __VIRTUAL_MASK_SHIFT 32 | ||
34 | #define PAGETABLE_LEVELS 3 | ||
35 | |||
36 | #ifndef __ASSEMBLY__ | ||
37 | typedef u64 pteval_t; | ||
38 | typedef u64 pmdval_t; | ||
39 | typedef u64 pudval_t; | ||
40 | typedef u64 pgdval_t; | ||
41 | typedef u64 pgprotval_t; | ||
42 | |||
43 | typedef union { | ||
44 | struct { | ||
45 | unsigned long pte_low, pte_high; | ||
46 | }; | ||
47 | pteval_t pte; | ||
48 | } pte_t; | ||
49 | #endif /* __ASSEMBLY__ | ||
50 | */ | ||
51 | #else /* !CONFIG_X86_PAE */ | ||
52 | #define __PHYSICAL_MASK_SHIFT 32 | ||
53 | #define __VIRTUAL_MASK_SHIFT 32 | ||
54 | #define PAGETABLE_LEVELS 2 | ||
55 | |||
56 | #ifndef __ASSEMBLY__ | ||
57 | typedef unsigned long pteval_t; | ||
58 | typedef unsigned long pmdval_t; | ||
59 | typedef unsigned long pudval_t; | ||
60 | typedef unsigned long pgdval_t; | ||
61 | typedef unsigned long pgprotval_t; | ||
62 | |||
63 | typedef union { | ||
64 | pteval_t pte; | ||
65 | pteval_t pte_low; | ||
66 | } pte_t; | ||
67 | |||
68 | #endif /* __ASSEMBLY__ */ | ||
69 | #endif /* CONFIG_X86_PAE */ | ||
70 | 5 | ||
71 | #ifndef __ASSEMBLY__ | 6 | #ifndef __ASSEMBLY__ |
72 | typedef struct page *pgtable_t; | ||
73 | #endif | ||
74 | 7 | ||
75 | #ifdef CONFIG_HUGETLB_PAGE | 8 | #ifdef CONFIG_HUGETLB_PAGE |
76 | #define HAVE_ARCH_HUGETLB_UNMAPPED_AREA | 9 | #define HAVE_ARCH_HUGETLB_UNMAPPED_AREA |
77 | #endif | 10 | #endif |
78 | 11 | ||
79 | #ifndef __ASSEMBLY__ | ||
80 | #define __phys_addr_nodebug(x) ((x) - PAGE_OFFSET) | 12 | #define __phys_addr_nodebug(x) ((x) - PAGE_OFFSET) |
81 | #ifdef CONFIG_DEBUG_VIRTUAL | 13 | #ifdef CONFIG_DEBUG_VIRTUAL |
82 | extern unsigned long __phys_addr(unsigned long); | 14 | extern unsigned long __phys_addr(unsigned long); |
@@ -89,23 +21,6 @@ extern unsigned long __phys_addr(unsigned long); | |||
89 | #define pfn_valid(pfn) ((pfn) < max_mapnr) | 21 | #define pfn_valid(pfn) ((pfn) < max_mapnr) |
90 | #endif /* CONFIG_FLATMEM */ | 22 | #endif /* CONFIG_FLATMEM */ |
91 | 23 | ||
92 | extern int nx_enabled; | ||
93 | |||
94 | /* | ||
95 | * This much address space is reserved for vmalloc() and iomap() | ||
96 | * as well as fixmap mappings. | ||
97 | */ | ||
98 | extern unsigned int __VMALLOC_RESERVE; | ||
99 | extern int sysctl_legacy_va_layout; | ||
100 | |||
101 | extern void find_low_pfn_range(void); | ||
102 | extern unsigned long init_memory_mapping(unsigned long start, | ||
103 | unsigned long end); | ||
104 | extern void initmem_init(unsigned long, unsigned long); | ||
105 | extern void free_initmem(void); | ||
106 | extern void setup_bootmem_allocator(void); | ||
107 | |||
108 | |||
109 | #ifdef CONFIG_X86_USE_3DNOW | 24 | #ifdef CONFIG_X86_USE_3DNOW |
110 | #include <asm/mmx.h> | 25 | #include <asm/mmx.h> |
111 | 26 | ||
diff --git a/arch/x86/include/asm/page_32_types.h b/arch/x86/include/asm/page_32_types.h new file mode 100644 index 000000000000..b5486aaf36ec --- /dev/null +++ b/arch/x86/include/asm/page_32_types.h | |||
@@ -0,0 +1,62 @@ | |||
1 | #ifndef _ASM_X86_PAGE_32_DEFS_H | ||
2 | #define _ASM_X86_PAGE_32_DEFS_H | ||
3 | |||
4 | #include <linux/const.h> | ||
5 | |||
6 | /* | ||
7 | * This handles the memory map. | ||
8 | * | ||
9 | * A __PAGE_OFFSET of 0xC0000000 means that the kernel has | ||
10 | * a virtual address space of one gigabyte, which limits the | ||
11 | * amount of physical memory you can use to about 950MB. | ||
12 | * | ||
13 | * If you want more physical memory than this then see the CONFIG_HIGHMEM4G | ||
14 | * and CONFIG_HIGHMEM64G options in the kernel configuration. | ||
15 | */ | ||
16 | #define __PAGE_OFFSET _AC(CONFIG_PAGE_OFFSET, UL) | ||
17 | |||
18 | #ifdef CONFIG_4KSTACKS | ||
19 | #define THREAD_ORDER 0 | ||
20 | #else | ||
21 | #define THREAD_ORDER 1 | ||
22 | #endif | ||
23 | #define THREAD_SIZE (PAGE_SIZE << THREAD_ORDER) | ||
24 | |||
25 | #define STACKFAULT_STACK 0 | ||
26 | #define DOUBLEFAULT_STACK 1 | ||
27 | #define NMI_STACK 0 | ||
28 | #define DEBUG_STACK 0 | ||
29 | #define MCE_STACK 0 | ||
30 | #define N_EXCEPTION_STACKS 1 | ||
31 | |||
32 | #ifdef CONFIG_X86_PAE | ||
33 | /* 44=32+12, the limit we can fit into an unsigned long pfn */ | ||
34 | #define __PHYSICAL_MASK_SHIFT 44 | ||
35 | #define __VIRTUAL_MASK_SHIFT 32 | ||
36 | #define PAGETABLE_LEVELS 3 | ||
37 | |||
38 | #else /* !CONFIG_X86_PAE */ | ||
39 | #define __PHYSICAL_MASK_SHIFT 32 | ||
40 | #define __VIRTUAL_MASK_SHIFT 32 | ||
41 | #define PAGETABLE_LEVELS 2 | ||
42 | #endif /* CONFIG_X86_PAE */ | ||
43 | |||
44 | #ifndef __ASSEMBLY__ | ||
45 | |||
46 | /* | ||
47 | * This much address space is reserved for vmalloc() and iomap() | ||
48 | * as well as fixmap mappings. | ||
49 | */ | ||
50 | extern unsigned int __VMALLOC_RESERVE; | ||
51 | extern int sysctl_legacy_va_layout; | ||
52 | |||
53 | extern void find_low_pfn_range(void); | ||
54 | extern unsigned long init_memory_mapping(unsigned long start, | ||
55 | unsigned long end); | ||
56 | extern void initmem_init(unsigned long, unsigned long); | ||
57 | extern void free_initmem(void); | ||
58 | extern void setup_bootmem_allocator(void); | ||
59 | |||
60 | #endif /* !__ASSEMBLY__ */ | ||
61 | |||
62 | #endif /* _ASM_X86_PAGE_32_DEFS_H */ | ||
diff --git a/arch/x86/include/asm/page_64.h b/arch/x86/include/asm/page_64.h index e27fdbe5f9e4..072694ed81a5 100644 --- a/arch/x86/include/asm/page_64.h +++ b/arch/x86/include/asm/page_64.h | |||
@@ -1,105 +1,6 @@ | |||
1 | #ifndef _ASM_X86_PAGE_64_H | 1 | #ifndef _ASM_X86_PAGE_64_H |
2 | #define _ASM_X86_PAGE_64_H | 2 | #define _ASM_X86_PAGE_64_H |
3 | 3 | ||
4 | #define PAGETABLE_LEVELS 4 | 4 | #include <asm/page_64_types.h> |
5 | |||
6 | #define THREAD_ORDER 1 | ||
7 | #define THREAD_SIZE (PAGE_SIZE << THREAD_ORDER) | ||
8 | #define CURRENT_MASK (~(THREAD_SIZE - 1)) | ||
9 | |||
10 | #define EXCEPTION_STACK_ORDER 0 | ||
11 | #define EXCEPTION_STKSZ (PAGE_SIZE << EXCEPTION_STACK_ORDER) | ||
12 | |||
13 | #define DEBUG_STACK_ORDER (EXCEPTION_STACK_ORDER + 1) | ||
14 | #define DEBUG_STKSZ (PAGE_SIZE << DEBUG_STACK_ORDER) | ||
15 | |||
16 | #define IRQ_STACK_ORDER 2 | ||
17 | #define IRQ_STACK_SIZE (PAGE_SIZE << IRQ_STACK_ORDER) | ||
18 | |||
19 | #define STACKFAULT_STACK 1 | ||
20 | #define DOUBLEFAULT_STACK 2 | ||
21 | #define NMI_STACK 3 | ||
22 | #define DEBUG_STACK 4 | ||
23 | #define MCE_STACK 5 | ||
24 | #define N_EXCEPTION_STACKS 5 /* hw limit: 7 */ | ||
25 | |||
26 | #define PUD_PAGE_SIZE (_AC(1, UL) << PUD_SHIFT) | ||
27 | #define PUD_PAGE_MASK (~(PUD_PAGE_SIZE-1)) | ||
28 | |||
29 | /* | ||
30 | * Set __PAGE_OFFSET to the most negative possible address + | ||
31 | * PGDIR_SIZE*16 (pgd slot 272). The gap is to allow a space for a | ||
32 | * hypervisor to fit. Choosing 16 slots here is arbitrary, but it's | ||
33 | * what Xen requires. | ||
34 | */ | ||
35 | #define __PAGE_OFFSET _AC(0xffff880000000000, UL) | ||
36 | |||
37 | #define __PHYSICAL_START CONFIG_PHYSICAL_START | ||
38 | #define __KERNEL_ALIGN 0x200000 | ||
39 | |||
40 | /* | ||
41 | * Make sure kernel is aligned to 2MB address. Catching it at compile | ||
42 | * time is better. Change your config file and compile the kernel | ||
43 | * for a 2MB aligned address (CONFIG_PHYSICAL_START) | ||
44 | */ | ||
45 | #if (CONFIG_PHYSICAL_START % __KERNEL_ALIGN) != 0 | ||
46 | #error "CONFIG_PHYSICAL_START must be a multiple of 2MB" | ||
47 | #endif | ||
48 | |||
49 | #define __START_KERNEL (__START_KERNEL_map + __PHYSICAL_START) | ||
50 | #define __START_KERNEL_map _AC(0xffffffff80000000, UL) | ||
51 | |||
52 | /* See Documentation/x86_64/mm.txt for a description of the memory map. */ | ||
53 | #define __PHYSICAL_MASK_SHIFT 46 | ||
54 | #define __VIRTUAL_MASK_SHIFT 48 | ||
55 | |||
56 | /* | ||
57 | * Kernel image size is limited to 512 MB (see level2_kernel_pgt in | ||
58 | * arch/x86/kernel/head_64.S), and it is mapped here: | ||
59 | */ | ||
60 | #define KERNEL_IMAGE_SIZE (512 * 1024 * 1024) | ||
61 | #define KERNEL_IMAGE_START _AC(0xffffffff80000000, UL) | ||
62 | |||
63 | #ifndef __ASSEMBLY__ | ||
64 | void clear_page(void *page); | ||
65 | void copy_page(void *to, void *from); | ||
66 | |||
67 | /* duplicated to the one in bootmem.h */ | ||
68 | extern unsigned long max_pfn; | ||
69 | extern unsigned long phys_base; | ||
70 | |||
71 | extern unsigned long __phys_addr(unsigned long); | ||
72 | #define __phys_reloc_hide(x) (x) | ||
73 | |||
74 | /* | ||
75 | * These are used to make use of C type-checking.. | ||
76 | */ | ||
77 | typedef unsigned long pteval_t; | ||
78 | typedef unsigned long pmdval_t; | ||
79 | typedef unsigned long pudval_t; | ||
80 | typedef unsigned long pgdval_t; | ||
81 | typedef unsigned long pgprotval_t; | ||
82 | |||
83 | typedef struct page *pgtable_t; | ||
84 | |||
85 | typedef struct { pteval_t pte; } pte_t; | ||
86 | |||
87 | #define vmemmap ((struct page *)VMEMMAP_START) | ||
88 | |||
89 | extern unsigned long init_memory_mapping(unsigned long start, | ||
90 | unsigned long end); | ||
91 | |||
92 | extern void initmem_init(unsigned long start_pfn, unsigned long end_pfn); | ||
93 | extern void free_initmem(void); | ||
94 | |||
95 | extern void init_extra_mapping_uc(unsigned long phys, unsigned long size); | ||
96 | extern void init_extra_mapping_wb(unsigned long phys, unsigned long size); | ||
97 | |||
98 | #endif /* !__ASSEMBLY__ */ | ||
99 | |||
100 | #ifdef CONFIG_FLATMEM | ||
101 | #define pfn_valid(pfn) ((pfn) < max_pfn) | ||
102 | #endif | ||
103 | |||
104 | 5 | ||
105 | #endif /* _ASM_X86_PAGE_64_H */ | 6 | #endif /* _ASM_X86_PAGE_64_H */ |
diff --git a/arch/x86/include/asm/page_64_types.h b/arch/x86/include/asm/page_64_types.h new file mode 100644 index 000000000000..bc73af3eda9c --- /dev/null +++ b/arch/x86/include/asm/page_64_types.h | |||
@@ -0,0 +1,91 @@ | |||
1 | #ifndef _ASM_X86_PAGE_64_DEFS_H | ||
2 | #define _ASM_X86_PAGE_64_DEFS_H | ||
3 | |||
4 | #define PAGETABLE_LEVELS 4 | ||
5 | |||
6 | #define THREAD_ORDER 1 | ||
7 | #define THREAD_SIZE (PAGE_SIZE << THREAD_ORDER) | ||
8 | #define CURRENT_MASK (~(THREAD_SIZE - 1)) | ||
9 | |||
10 | #define EXCEPTION_STACK_ORDER 0 | ||
11 | #define EXCEPTION_STKSZ (PAGE_SIZE << EXCEPTION_STACK_ORDER) | ||
12 | |||
13 | #define DEBUG_STACK_ORDER (EXCEPTION_STACK_ORDER + 1) | ||
14 | #define DEBUG_STKSZ (PAGE_SIZE << DEBUG_STACK_ORDER) | ||
15 | |||
16 | #define IRQ_STACK_ORDER 2 | ||
17 | #define IRQ_STACK_SIZE (PAGE_SIZE << IRQ_STACK_ORDER) | ||
18 | |||
19 | #define STACKFAULT_STACK 1 | ||
20 | #define DOUBLEFAULT_STACK 2 | ||
21 | #define NMI_STACK 3 | ||
22 | #define DEBUG_STACK 4 | ||
23 | #define MCE_STACK 5 | ||
24 | #define N_EXCEPTION_STACKS 5 /* hw limit: 7 */ | ||
25 | |||
26 | #define PUD_PAGE_SIZE (_AC(1, UL) << PUD_SHIFT) | ||
27 | #define PUD_PAGE_MASK (~(PUD_PAGE_SIZE-1)) | ||
28 | |||
29 | /* | ||
30 | * Set __PAGE_OFFSET to the most negative possible address + | ||
31 | * PGDIR_SIZE*16 (pgd slot 272). The gap is to allow a space for a | ||
32 | * hypervisor to fit. Choosing 16 slots here is arbitrary, but it's | ||
33 | * what Xen requires. | ||
34 | */ | ||
35 | #define __PAGE_OFFSET _AC(0xffff880000000000, UL) | ||
36 | |||
37 | #define __PHYSICAL_START CONFIG_PHYSICAL_START | ||
38 | #define __KERNEL_ALIGN 0x200000 | ||
39 | |||
40 | /* | ||
41 | * Make sure kernel is aligned to 2MB address. Catching it at compile | ||
42 | * time is better. Change your config file and compile the kernel | ||
43 | * for a 2MB aligned address (CONFIG_PHYSICAL_START) | ||
44 | */ | ||
45 | #if (CONFIG_PHYSICAL_START % __KERNEL_ALIGN) != 0 | ||
46 | #error "CONFIG_PHYSICAL_START must be a multiple of 2MB" | ||
47 | #endif | ||
48 | |||
49 | #define __START_KERNEL (__START_KERNEL_map + __PHYSICAL_START) | ||
50 | #define __START_KERNEL_map _AC(0xffffffff80000000, UL) | ||
51 | |||
52 | /* See Documentation/x86_64/mm.txt for a description of the memory map. */ | ||
53 | #define __PHYSICAL_MASK_SHIFT 46 | ||
54 | #define __VIRTUAL_MASK_SHIFT 48 | ||
55 | |||
56 | /* | ||
57 | * Kernel image size is limited to 512 MB (see level2_kernel_pgt in | ||
58 | * arch/x86/kernel/head_64.S), and it is mapped here: | ||
59 | */ | ||
60 | #define KERNEL_IMAGE_SIZE (512 * 1024 * 1024) | ||
61 | #define KERNEL_IMAGE_START _AC(0xffffffff80000000, UL) | ||
62 | |||
63 | #ifndef __ASSEMBLY__ | ||
64 | void clear_page(void *page); | ||
65 | void copy_page(void *to, void *from); | ||
66 | |||
67 | /* duplicated to the one in bootmem.h */ | ||
68 | extern unsigned long max_pfn; | ||
69 | extern unsigned long phys_base; | ||
70 | |||
71 | extern unsigned long __phys_addr(unsigned long); | ||
72 | #define __phys_reloc_hide(x) (x) | ||
73 | |||
74 | #define vmemmap ((struct page *)VMEMMAP_START) | ||
75 | |||
76 | extern unsigned long init_memory_mapping(unsigned long start, | ||
77 | unsigned long end); | ||
78 | |||
79 | extern void initmem_init(unsigned long start_pfn, unsigned long end_pfn); | ||
80 | extern void free_initmem(void); | ||
81 | |||
82 | extern void init_extra_mapping_uc(unsigned long phys, unsigned long size); | ||
83 | extern void init_extra_mapping_wb(unsigned long phys, unsigned long size); | ||
84 | |||
85 | #endif /* !__ASSEMBLY__ */ | ||
86 | |||
87 | #ifdef CONFIG_FLATMEM | ||
88 | #define pfn_valid(pfn) ((pfn) < max_pfn) | ||
89 | #endif | ||
90 | |||
91 | #endif /* _ASM_X86_PAGE_64_DEFS_H */ | ||
diff --git a/arch/x86/include/asm/page_types.h b/arch/x86/include/asm/page_types.h new file mode 100644 index 000000000000..2c52ff767584 --- /dev/null +++ b/arch/x86/include/asm/page_types.h | |||
@@ -0,0 +1,63 @@ | |||
1 | #ifndef _ASM_X86_PAGE_DEFS_H | ||
2 | #define _ASM_X86_PAGE_DEFS_H | ||
3 | |||
4 | #include <linux/const.h> | ||
5 | |||
6 | /* PAGE_SHIFT determines the page size */ | ||
7 | #define PAGE_SHIFT 12 | ||
8 | #define PAGE_SIZE (_AC(1,UL) << PAGE_SHIFT) | ||
9 | #define PAGE_MASK (~(PAGE_SIZE-1)) | ||
10 | |||
11 | #define __PHYSICAL_MASK ((phys_addr_t)(1ULL << __PHYSICAL_MASK_SHIFT) - 1) | ||
12 | #define __VIRTUAL_MASK ((1UL << __VIRTUAL_MASK_SHIFT) - 1) | ||
13 | |||
14 | /* Cast PAGE_MASK to a signed type so that it is sign-extended if | ||
15 | virtual addresses are 32-bits but physical addresses are larger | ||
16 | (ie, 32-bit PAE). */ | ||
17 | #define PHYSICAL_PAGE_MASK (((signed long)PAGE_MASK) & __PHYSICAL_MASK) | ||
18 | |||
19 | /* PTE_PFN_MASK extracts the PFN from a (pte|pmd|pud|pgd)val_t */ | ||
20 | #define PTE_PFN_MASK ((pteval_t)PHYSICAL_PAGE_MASK) | ||
21 | |||
22 | /* PTE_FLAGS_MASK extracts the flags from a (pte|pmd|pud|pgd)val_t */ | ||
23 | #define PTE_FLAGS_MASK (~PTE_PFN_MASK) | ||
24 | |||
25 | #define PMD_PAGE_SIZE (_AC(1, UL) << PMD_SHIFT) | ||
26 | #define PMD_PAGE_MASK (~(PMD_PAGE_SIZE-1)) | ||
27 | |||
28 | #define HPAGE_SHIFT PMD_SHIFT | ||
29 | #define HPAGE_SIZE (_AC(1,UL) << HPAGE_SHIFT) | ||
30 | #define HPAGE_MASK (~(HPAGE_SIZE - 1)) | ||
31 | #define HUGETLB_PAGE_ORDER (HPAGE_SHIFT - PAGE_SHIFT) | ||
32 | |||
33 | #define HUGE_MAX_HSTATE 2 | ||
34 | |||
35 | #define PAGE_OFFSET ((unsigned long)__PAGE_OFFSET) | ||
36 | |||
37 | #define VM_DATA_DEFAULT_FLAGS \ | ||
38 | (((current->personality & READ_IMPLIES_EXEC) ? VM_EXEC : 0 ) | \ | ||
39 | VM_READ | VM_WRITE | VM_MAYREAD | VM_MAYWRITE | VM_MAYEXEC) | ||
40 | |||
41 | #ifdef CONFIG_X86_64 | ||
42 | #include <asm/page_64_types.h> | ||
43 | #else | ||
44 | #include <asm/page_32_types.h> | ||
45 | #endif /* CONFIG_X86_64 */ | ||
46 | |||
47 | #ifndef __ASSEMBLY__ | ||
48 | |||
49 | struct pgprot; | ||
50 | |||
51 | extern int page_is_ram(unsigned long pagenr); | ||
52 | extern int devmem_is_allowed(unsigned long pagenr); | ||
53 | extern void map_devmem(unsigned long pfn, unsigned long size, | ||
54 | struct pgprot vma_prot); | ||
55 | extern void unmap_devmem(unsigned long pfn, unsigned long size, | ||
56 | struct pgprot vma_prot); | ||
57 | |||
58 | extern unsigned long max_low_pfn_mapped; | ||
59 | extern unsigned long max_pfn_mapped; | ||
60 | |||
61 | #endif /* !__ASSEMBLY__ */ | ||
62 | |||
63 | #endif /* _ASM_X86_PAGE_DEFS_H */ | ||
diff --git a/arch/x86/include/asm/paravirt.h b/arch/x86/include/asm/paravirt.h index b788dfd20483..0617d5cc9712 100644 --- a/arch/x86/include/asm/paravirt.h +++ b/arch/x86/include/asm/paravirt.h | |||
@@ -4,7 +4,7 @@ | |||
4 | * para-virtualization: those hooks are defined here. */ | 4 | * para-virtualization: those hooks are defined here. */ |
5 | 5 | ||
6 | #ifdef CONFIG_PARAVIRT | 6 | #ifdef CONFIG_PARAVIRT |
7 | #include <asm/page.h> | 7 | #include <asm/pgtable_types.h> |
8 | #include <asm/asm.h> | 8 | #include <asm/asm.h> |
9 | 9 | ||
10 | /* Bitmask of what can be clobbered: usually at least eax. */ | 10 | /* Bitmask of what can be clobbered: usually at least eax. */ |
diff --git a/arch/x86/include/asm/pgtable-2level-defs.h b/arch/x86/include/asm/pgtable-2level_types.h index d77db8990eaa..09ae67efcebd 100644 --- a/arch/x86/include/asm/pgtable-2level-defs.h +++ b/arch/x86/include/asm/pgtable-2level_types.h | |||
@@ -1,6 +1,21 @@ | |||
1 | #ifndef _ASM_X86_PGTABLE_2LEVEL_DEFS_H | 1 | #ifndef _ASM_X86_PGTABLE_2LEVEL_DEFS_H |
2 | #define _ASM_X86_PGTABLE_2LEVEL_DEFS_H | 2 | #define _ASM_X86_PGTABLE_2LEVEL_DEFS_H |
3 | 3 | ||
4 | #ifndef __ASSEMBLY__ | ||
5 | #include <linux/types.h> | ||
6 | |||
7 | typedef unsigned long pteval_t; | ||
8 | typedef unsigned long pmdval_t; | ||
9 | typedef unsigned long pudval_t; | ||
10 | typedef unsigned long pgdval_t; | ||
11 | typedef unsigned long pgprotval_t; | ||
12 | |||
13 | typedef union { | ||
14 | pteval_t pte; | ||
15 | pteval_t pte_low; | ||
16 | } pte_t; | ||
17 | #endif /* !__ASSEMBLY__ */ | ||
18 | |||
4 | #define SHARED_KERNEL_PMD 0 | 19 | #define SHARED_KERNEL_PMD 0 |
5 | 20 | ||
6 | /* | 21 | /* |
diff --git a/arch/x86/include/asm/pgtable-3level-defs.h b/arch/x86/include/asm/pgtable-3level_types.h index 62561367653c..bcc89625ebe5 100644 --- a/arch/x86/include/asm/pgtable-3level-defs.h +++ b/arch/x86/include/asm/pgtable-3level_types.h | |||
@@ -1,6 +1,23 @@ | |||
1 | #ifndef _ASM_X86_PGTABLE_3LEVEL_DEFS_H | 1 | #ifndef _ASM_X86_PGTABLE_3LEVEL_DEFS_H |
2 | #define _ASM_X86_PGTABLE_3LEVEL_DEFS_H | 2 | #define _ASM_X86_PGTABLE_3LEVEL_DEFS_H |
3 | 3 | ||
4 | #ifndef __ASSEMBLY__ | ||
5 | #include <linux/types.h> | ||
6 | |||
7 | typedef u64 pteval_t; | ||
8 | typedef u64 pmdval_t; | ||
9 | typedef u64 pudval_t; | ||
10 | typedef u64 pgdval_t; | ||
11 | typedef u64 pgprotval_t; | ||
12 | |||
13 | typedef union { | ||
14 | struct { | ||
15 | unsigned long pte_low, pte_high; | ||
16 | }; | ||
17 | pteval_t pte; | ||
18 | } pte_t; | ||
19 | #endif /* !__ASSEMBLY__ */ | ||
20 | |||
4 | #ifdef CONFIG_PARAVIRT | 21 | #ifdef CONFIG_PARAVIRT |
5 | #define SHARED_KERNEL_PMD (pv_info.shared_kernel_pmd) | 22 | #define SHARED_KERNEL_PMD (pv_info.shared_kernel_pmd) |
6 | #else | 23 | #else |
@@ -25,4 +42,5 @@ | |||
25 | */ | 42 | */ |
26 | #define PTRS_PER_PTE 512 | 43 | #define PTRS_PER_PTE 512 |
27 | 44 | ||
45 | |||
28 | #endif /* _ASM_X86_PGTABLE_3LEVEL_DEFS_H */ | 46 | #endif /* _ASM_X86_PGTABLE_3LEVEL_DEFS_H */ |
diff --git a/arch/x86/include/asm/pgtable.h b/arch/x86/include/asm/pgtable.h index 8fef0f6bfbb6..1c097a3a6669 100644 --- a/arch/x86/include/asm/pgtable.h +++ b/arch/x86/include/asm/pgtable.h | |||
@@ -3,164 +3,7 @@ | |||
3 | 3 | ||
4 | #include <asm/page.h> | 4 | #include <asm/page.h> |
5 | 5 | ||
6 | #define FIRST_USER_ADDRESS 0 | 6 | #include <asm/pgtable_types.h> |
7 | |||
8 | #define _PAGE_BIT_PRESENT 0 /* is present */ | ||
9 | #define _PAGE_BIT_RW 1 /* writeable */ | ||
10 | #define _PAGE_BIT_USER 2 /* userspace addressable */ | ||
11 | #define _PAGE_BIT_PWT 3 /* page write through */ | ||
12 | #define _PAGE_BIT_PCD 4 /* page cache disabled */ | ||
13 | #define _PAGE_BIT_ACCESSED 5 /* was accessed (raised by CPU) */ | ||
14 | #define _PAGE_BIT_DIRTY 6 /* was written to (raised by CPU) */ | ||
15 | #define _PAGE_BIT_PSE 7 /* 4 MB (or 2MB) page */ | ||
16 | #define _PAGE_BIT_PAT 7 /* on 4KB pages */ | ||
17 | #define _PAGE_BIT_GLOBAL 8 /* Global TLB entry PPro+ */ | ||
18 | #define _PAGE_BIT_UNUSED1 9 /* available for programmer */ | ||
19 | #define _PAGE_BIT_IOMAP 10 /* flag used to indicate IO mapping */ | ||
20 | #define _PAGE_BIT_UNUSED3 11 | ||
21 | #define _PAGE_BIT_PAT_LARGE 12 /* On 2MB or 1GB pages */ | ||
22 | #define _PAGE_BIT_SPECIAL _PAGE_BIT_UNUSED1 | ||
23 | #define _PAGE_BIT_CPA_TEST _PAGE_BIT_UNUSED1 | ||
24 | #define _PAGE_BIT_NX 63 /* No execute: only valid after cpuid check */ | ||
25 | |||
26 | /* If _PAGE_BIT_PRESENT is clear, we use these: */ | ||
27 | /* - if the user mapped it with PROT_NONE; pte_present gives true */ | ||
28 | #define _PAGE_BIT_PROTNONE _PAGE_BIT_GLOBAL | ||
29 | /* - set: nonlinear file mapping, saved PTE; unset:swap */ | ||
30 | #define _PAGE_BIT_FILE _PAGE_BIT_DIRTY | ||
31 | |||
32 | #define _PAGE_PRESENT (_AT(pteval_t, 1) << _PAGE_BIT_PRESENT) | ||
33 | #define _PAGE_RW (_AT(pteval_t, 1) << _PAGE_BIT_RW) | ||
34 | #define _PAGE_USER (_AT(pteval_t, 1) << _PAGE_BIT_USER) | ||
35 | #define _PAGE_PWT (_AT(pteval_t, 1) << _PAGE_BIT_PWT) | ||
36 | #define _PAGE_PCD (_AT(pteval_t, 1) << _PAGE_BIT_PCD) | ||
37 | #define _PAGE_ACCESSED (_AT(pteval_t, 1) << _PAGE_BIT_ACCESSED) | ||
38 | #define _PAGE_DIRTY (_AT(pteval_t, 1) << _PAGE_BIT_DIRTY) | ||
39 | #define _PAGE_PSE (_AT(pteval_t, 1) << _PAGE_BIT_PSE) | ||
40 | #define _PAGE_GLOBAL (_AT(pteval_t, 1) << _PAGE_BIT_GLOBAL) | ||
41 | #define _PAGE_UNUSED1 (_AT(pteval_t, 1) << _PAGE_BIT_UNUSED1) | ||
42 | #define _PAGE_IOMAP (_AT(pteval_t, 1) << _PAGE_BIT_IOMAP) | ||
43 | #define _PAGE_UNUSED3 (_AT(pteval_t, 1) << _PAGE_BIT_UNUSED3) | ||
44 | #define _PAGE_PAT (_AT(pteval_t, 1) << _PAGE_BIT_PAT) | ||
45 | #define _PAGE_PAT_LARGE (_AT(pteval_t, 1) << _PAGE_BIT_PAT_LARGE) | ||
46 | #define _PAGE_SPECIAL (_AT(pteval_t, 1) << _PAGE_BIT_SPECIAL) | ||
47 | #define _PAGE_CPA_TEST (_AT(pteval_t, 1) << _PAGE_BIT_CPA_TEST) | ||
48 | #define __HAVE_ARCH_PTE_SPECIAL | ||
49 | |||
50 | #if defined(CONFIG_X86_64) || defined(CONFIG_X86_PAE) | ||
51 | #define _PAGE_NX (_AT(pteval_t, 1) << _PAGE_BIT_NX) | ||
52 | #else | ||
53 | #define _PAGE_NX (_AT(pteval_t, 0)) | ||
54 | #endif | ||
55 | |||
56 | #define _PAGE_FILE (_AT(pteval_t, 1) << _PAGE_BIT_FILE) | ||
57 | #define _PAGE_PROTNONE (_AT(pteval_t, 1) << _PAGE_BIT_PROTNONE) | ||
58 | |||
59 | #define _PAGE_TABLE (_PAGE_PRESENT | _PAGE_RW | _PAGE_USER | \ | ||
60 | _PAGE_ACCESSED | _PAGE_DIRTY) | ||
61 | #define _KERNPG_TABLE (_PAGE_PRESENT | _PAGE_RW | _PAGE_ACCESSED | \ | ||
62 | _PAGE_DIRTY) | ||
63 | |||
64 | /* Set of bits not changed in pte_modify */ | ||
65 | #define _PAGE_CHG_MASK (PTE_PFN_MASK | _PAGE_PCD | _PAGE_PWT | \ | ||
66 | _PAGE_SPECIAL | _PAGE_ACCESSED | _PAGE_DIRTY) | ||
67 | |||
68 | #define _PAGE_CACHE_MASK (_PAGE_PCD | _PAGE_PWT) | ||
69 | #define _PAGE_CACHE_WB (0) | ||
70 | #define _PAGE_CACHE_WC (_PAGE_PWT) | ||
71 | #define _PAGE_CACHE_UC_MINUS (_PAGE_PCD) | ||
72 | #define _PAGE_CACHE_UC (_PAGE_PCD | _PAGE_PWT) | ||
73 | |||
74 | #define PAGE_NONE __pgprot(_PAGE_PROTNONE | _PAGE_ACCESSED) | ||
75 | #define PAGE_SHARED __pgprot(_PAGE_PRESENT | _PAGE_RW | _PAGE_USER | \ | ||
76 | _PAGE_ACCESSED | _PAGE_NX) | ||
77 | |||
78 | #define PAGE_SHARED_EXEC __pgprot(_PAGE_PRESENT | _PAGE_RW | \ | ||
79 | _PAGE_USER | _PAGE_ACCESSED) | ||
80 | #define PAGE_COPY_NOEXEC __pgprot(_PAGE_PRESENT | _PAGE_USER | \ | ||
81 | _PAGE_ACCESSED | _PAGE_NX) | ||
82 | #define PAGE_COPY_EXEC __pgprot(_PAGE_PRESENT | _PAGE_USER | \ | ||
83 | _PAGE_ACCESSED) | ||
84 | #define PAGE_COPY PAGE_COPY_NOEXEC | ||
85 | #define PAGE_READONLY __pgprot(_PAGE_PRESENT | _PAGE_USER | \ | ||
86 | _PAGE_ACCESSED | _PAGE_NX) | ||
87 | #define PAGE_READONLY_EXEC __pgprot(_PAGE_PRESENT | _PAGE_USER | \ | ||
88 | _PAGE_ACCESSED) | ||
89 | |||
90 | #define __PAGE_KERNEL_EXEC \ | ||
91 | (_PAGE_PRESENT | _PAGE_RW | _PAGE_DIRTY | _PAGE_ACCESSED | _PAGE_GLOBAL) | ||
92 | #define __PAGE_KERNEL (__PAGE_KERNEL_EXEC | _PAGE_NX) | ||
93 | |||
94 | #define __PAGE_KERNEL_RO (__PAGE_KERNEL & ~_PAGE_RW) | ||
95 | #define __PAGE_KERNEL_RX (__PAGE_KERNEL_EXEC & ~_PAGE_RW) | ||
96 | #define __PAGE_KERNEL_EXEC_NOCACHE (__PAGE_KERNEL_EXEC | _PAGE_PCD | _PAGE_PWT) | ||
97 | #define __PAGE_KERNEL_WC (__PAGE_KERNEL | _PAGE_CACHE_WC) | ||
98 | #define __PAGE_KERNEL_NOCACHE (__PAGE_KERNEL | _PAGE_PCD | _PAGE_PWT) | ||
99 | #define __PAGE_KERNEL_UC_MINUS (__PAGE_KERNEL | _PAGE_PCD) | ||
100 | #define __PAGE_KERNEL_VSYSCALL (__PAGE_KERNEL_RX | _PAGE_USER) | ||
101 | #define __PAGE_KERNEL_VSYSCALL_NOCACHE (__PAGE_KERNEL_VSYSCALL | _PAGE_PCD | _PAGE_PWT) | ||
102 | #define __PAGE_KERNEL_LARGE (__PAGE_KERNEL | _PAGE_PSE) | ||
103 | #define __PAGE_KERNEL_LARGE_NOCACHE (__PAGE_KERNEL | _PAGE_CACHE_UC | _PAGE_PSE) | ||
104 | #define __PAGE_KERNEL_LARGE_EXEC (__PAGE_KERNEL_EXEC | _PAGE_PSE) | ||
105 | |||
106 | #define __PAGE_KERNEL_IO (__PAGE_KERNEL | _PAGE_IOMAP) | ||
107 | #define __PAGE_KERNEL_IO_NOCACHE (__PAGE_KERNEL_NOCACHE | _PAGE_IOMAP) | ||
108 | #define __PAGE_KERNEL_IO_UC_MINUS (__PAGE_KERNEL_UC_MINUS | _PAGE_IOMAP) | ||
109 | #define __PAGE_KERNEL_IO_WC (__PAGE_KERNEL_WC | _PAGE_IOMAP) | ||
110 | |||
111 | #define PAGE_KERNEL __pgprot(__PAGE_KERNEL) | ||
112 | #define PAGE_KERNEL_RO __pgprot(__PAGE_KERNEL_RO) | ||
113 | #define PAGE_KERNEL_EXEC __pgprot(__PAGE_KERNEL_EXEC) | ||
114 | #define PAGE_KERNEL_RX __pgprot(__PAGE_KERNEL_RX) | ||
115 | #define PAGE_KERNEL_WC __pgprot(__PAGE_KERNEL_WC) | ||
116 | #define PAGE_KERNEL_NOCACHE __pgprot(__PAGE_KERNEL_NOCACHE) | ||
117 | #define PAGE_KERNEL_UC_MINUS __pgprot(__PAGE_KERNEL_UC_MINUS) | ||
118 | #define PAGE_KERNEL_EXEC_NOCACHE __pgprot(__PAGE_KERNEL_EXEC_NOCACHE) | ||
119 | #define PAGE_KERNEL_LARGE __pgprot(__PAGE_KERNEL_LARGE) | ||
120 | #define PAGE_KERNEL_LARGE_NOCACHE __pgprot(__PAGE_KERNEL_LARGE_NOCACHE) | ||
121 | #define PAGE_KERNEL_LARGE_EXEC __pgprot(__PAGE_KERNEL_LARGE_EXEC) | ||
122 | #define PAGE_KERNEL_VSYSCALL __pgprot(__PAGE_KERNEL_VSYSCALL) | ||
123 | #define PAGE_KERNEL_VSYSCALL_NOCACHE __pgprot(__PAGE_KERNEL_VSYSCALL_NOCACHE) | ||
124 | |||
125 | #define PAGE_KERNEL_IO __pgprot(__PAGE_KERNEL_IO) | ||
126 | #define PAGE_KERNEL_IO_NOCACHE __pgprot(__PAGE_KERNEL_IO_NOCACHE) | ||
127 | #define PAGE_KERNEL_IO_UC_MINUS __pgprot(__PAGE_KERNEL_IO_UC_MINUS) | ||
128 | #define PAGE_KERNEL_IO_WC __pgprot(__PAGE_KERNEL_IO_WC) | ||
129 | |||
130 | /* xwr */ | ||
131 | #define __P000 PAGE_NONE | ||
132 | #define __P001 PAGE_READONLY | ||
133 | #define __P010 PAGE_COPY | ||
134 | #define __P011 PAGE_COPY | ||
135 | #define __P100 PAGE_READONLY_EXEC | ||
136 | #define __P101 PAGE_READONLY_EXEC | ||
137 | #define __P110 PAGE_COPY_EXEC | ||
138 | #define __P111 PAGE_COPY_EXEC | ||
139 | |||
140 | #define __S000 PAGE_NONE | ||
141 | #define __S001 PAGE_READONLY | ||
142 | #define __S010 PAGE_SHARED | ||
143 | #define __S011 PAGE_SHARED | ||
144 | #define __S100 PAGE_READONLY_EXEC | ||
145 | #define __S101 PAGE_READONLY_EXEC | ||
146 | #define __S110 PAGE_SHARED_EXEC | ||
147 | #define __S111 PAGE_SHARED_EXEC | ||
148 | |||
149 | /* | ||
150 | * early identity mapping pte attrib macros. | ||
151 | */ | ||
152 | #ifdef CONFIG_X86_64 | ||
153 | #define __PAGE_KERNEL_IDENT_LARGE_EXEC __PAGE_KERNEL_LARGE_EXEC | ||
154 | #else | ||
155 | /* | ||
156 | * For PDE_IDENT_ATTR include USER bit. As the PDE and PTE protection | ||
157 | * bits are combined, this will alow user to access the high address mapped | ||
158 | * VDSO in the presence of CONFIG_COMPAT_VDSO | ||
159 | */ | ||
160 | #define PTE_IDENT_ATTR 0x003 /* PRESENT+RW */ | ||
161 | #define PDE_IDENT_ATTR 0x067 /* PRESENT+RW+USER+DIRTY+ACCESSED */ | ||
162 | #define PGD_IDENT_ATTR 0x001 /* PRESENT (no other attributes) */ | ||
163 | #endif | ||
164 | 7 | ||
165 | /* | 8 | /* |
166 | * Macro to mark a page protection value as UC- | 9 | * Macro to mark a page protection value as UC- |
@@ -172,9 +15,6 @@ | |||
172 | 15 | ||
173 | #ifndef __ASSEMBLY__ | 16 | #ifndef __ASSEMBLY__ |
174 | 17 | ||
175 | #define pgprot_writecombine pgprot_writecombine | ||
176 | extern pgprot_t pgprot_writecombine(pgprot_t prot); | ||
177 | |||
178 | /* | 18 | /* |
179 | * ZERO_PAGE is a global shared page that is always zero: used | 19 | * ZERO_PAGE is a global shared page that is always zero: used |
180 | * for zero-mapped memory areas etc.. | 20 | * for zero-mapped memory areas etc.. |
@@ -185,6 +25,66 @@ extern unsigned long empty_zero_page[PAGE_SIZE / sizeof(unsigned long)]; | |||
185 | extern spinlock_t pgd_lock; | 25 | extern spinlock_t pgd_lock; |
186 | extern struct list_head pgd_list; | 26 | extern struct list_head pgd_list; |
187 | 27 | ||
28 | #ifdef CONFIG_PARAVIRT | ||
29 | #include <asm/paravirt.h> | ||
30 | #else /* !CONFIG_PARAVIRT */ | ||
31 | #define set_pte(ptep, pte) native_set_pte(ptep, pte) | ||
32 | #define set_pte_at(mm, addr, ptep, pte) native_set_pte_at(mm, addr, ptep, pte) | ||
33 | |||
34 | #define set_pte_present(mm, addr, ptep, pte) \ | ||
35 | native_set_pte_present(mm, addr, ptep, pte) | ||
36 | #define set_pte_atomic(ptep, pte) \ | ||
37 | native_set_pte_atomic(ptep, pte) | ||
38 | |||
39 | #define set_pmd(pmdp, pmd) native_set_pmd(pmdp, pmd) | ||
40 | |||
41 | #ifndef __PAGETABLE_PUD_FOLDED | ||
42 | #define set_pgd(pgdp, pgd) native_set_pgd(pgdp, pgd) | ||
43 | #define pgd_clear(pgd) native_pgd_clear(pgd) | ||
44 | #endif | ||
45 | |||
46 | #ifndef set_pud | ||
47 | # define set_pud(pudp, pud) native_set_pud(pudp, pud) | ||
48 | #endif | ||
49 | |||
50 | #ifndef __PAGETABLE_PMD_FOLDED | ||
51 | #define pud_clear(pud) native_pud_clear(pud) | ||
52 | #endif | ||
53 | |||
54 | #define pte_clear(mm, addr, ptep) native_pte_clear(mm, addr, ptep) | ||
55 | #define pmd_clear(pmd) native_pmd_clear(pmd) | ||
56 | |||
57 | #define pte_update(mm, addr, ptep) do { } while (0) | ||
58 | #define pte_update_defer(mm, addr, ptep) do { } while (0) | ||
59 | |||
60 | static inline void __init paravirt_pagetable_setup_start(pgd_t *base) | ||
61 | { | ||
62 | native_pagetable_setup_start(base); | ||
63 | } | ||
64 | |||
65 | static inline void __init paravirt_pagetable_setup_done(pgd_t *base) | ||
66 | { | ||
67 | native_pagetable_setup_done(base); | ||
68 | } | ||
69 | |||
70 | #define pgd_val(x) native_pgd_val(x) | ||
71 | #define __pgd(x) native_make_pgd(x) | ||
72 | |||
73 | #ifndef __PAGETABLE_PUD_FOLDED | ||
74 | #define pud_val(x) native_pud_val(x) | ||
75 | #define __pud(x) native_make_pud(x) | ||
76 | #endif | ||
77 | |||
78 | #ifndef __PAGETABLE_PMD_FOLDED | ||
79 | #define pmd_val(x) native_pmd_val(x) | ||
80 | #define __pmd(x) native_make_pmd(x) | ||
81 | #endif | ||
82 | |||
83 | #define pte_val(x) native_pte_val(x) | ||
84 | #define __pte(x) native_make_pte(x) | ||
85 | |||
86 | #endif /* CONFIG_PARAVIRT */ | ||
87 | |||
188 | /* | 88 | /* |
189 | * The following only work if pte_present() is true. | 89 | * The following only work if pte_present() is true. |
190 | * Undefined behaviour if not.. | 90 | * Undefined behaviour if not.. |
@@ -316,8 +216,6 @@ static inline pte_t pte_mkspecial(pte_t pte) | |||
316 | return pte_set_flags(pte, _PAGE_SPECIAL); | 216 | return pte_set_flags(pte, _PAGE_SPECIAL); |
317 | } | 217 | } |
318 | 218 | ||
319 | extern pteval_t __supported_pte_mask; | ||
320 | |||
321 | /* | 219 | /* |
322 | * Mask out unsupported bits in a present pgprot. Non-present pgprots | 220 | * Mask out unsupported bits in a present pgprot. Non-present pgprots |
323 | * can use those bits for other purposes, so leave them be. | 221 | * can use those bits for other purposes, so leave them be. |
@@ -390,75 +288,6 @@ static inline int is_new_memtype_allowed(unsigned long flags, | |||
390 | return 1; | 288 | return 1; |
391 | } | 289 | } |
392 | 290 | ||
393 | #ifndef __ASSEMBLY__ | ||
394 | /* Indicate that x86 has its own track and untrack pfn vma functions */ | ||
395 | #define __HAVE_PFNMAP_TRACKING | ||
396 | |||
397 | #define __HAVE_PHYS_MEM_ACCESS_PROT | ||
398 | struct file; | ||
399 | pgprot_t phys_mem_access_prot(struct file *file, unsigned long pfn, | ||
400 | unsigned long size, pgprot_t vma_prot); | ||
401 | int phys_mem_access_prot_allowed(struct file *file, unsigned long pfn, | ||
402 | unsigned long size, pgprot_t *vma_prot); | ||
403 | #endif | ||
404 | |||
405 | /* Install a pte for a particular vaddr in kernel space. */ | ||
406 | void set_pte_vaddr(unsigned long vaddr, pte_t pte); | ||
407 | |||
408 | #ifdef CONFIG_X86_32 | ||
409 | extern void native_pagetable_setup_start(pgd_t *base); | ||
410 | extern void native_pagetable_setup_done(pgd_t *base); | ||
411 | #else | ||
412 | static inline void native_pagetable_setup_start(pgd_t *base) {} | ||
413 | static inline void native_pagetable_setup_done(pgd_t *base) {} | ||
414 | #endif | ||
415 | |||
416 | struct seq_file; | ||
417 | extern void arch_report_meminfo(struct seq_file *m); | ||
418 | |||
419 | #ifdef CONFIG_PARAVIRT | ||
420 | #include <asm/paravirt.h> | ||
421 | #else /* !CONFIG_PARAVIRT */ | ||
422 | #define set_pte(ptep, pte) native_set_pte(ptep, pte) | ||
423 | #define set_pte_at(mm, addr, ptep, pte) native_set_pte_at(mm, addr, ptep, pte) | ||
424 | |||
425 | #define set_pte_present(mm, addr, ptep, pte) \ | ||
426 | native_set_pte_present(mm, addr, ptep, pte) | ||
427 | #define set_pte_atomic(ptep, pte) \ | ||
428 | native_set_pte_atomic(ptep, pte) | ||
429 | |||
430 | #define set_pmd(pmdp, pmd) native_set_pmd(pmdp, pmd) | ||
431 | |||
432 | #ifndef __PAGETABLE_PUD_FOLDED | ||
433 | #define set_pgd(pgdp, pgd) native_set_pgd(pgdp, pgd) | ||
434 | #define pgd_clear(pgd) native_pgd_clear(pgd) | ||
435 | #endif | ||
436 | |||
437 | #ifndef set_pud | ||
438 | # define set_pud(pudp, pud) native_set_pud(pudp, pud) | ||
439 | #endif | ||
440 | |||
441 | #ifndef __PAGETABLE_PMD_FOLDED | ||
442 | #define pud_clear(pud) native_pud_clear(pud) | ||
443 | #endif | ||
444 | |||
445 | #define pte_clear(mm, addr, ptep) native_pte_clear(mm, addr, ptep) | ||
446 | #define pmd_clear(pmd) native_pmd_clear(pmd) | ||
447 | |||
448 | #define pte_update(mm, addr, ptep) do { } while (0) | ||
449 | #define pte_update_defer(mm, addr, ptep) do { } while (0) | ||
450 | |||
451 | static inline void __init paravirt_pagetable_setup_start(pgd_t *base) | ||
452 | { | ||
453 | native_pagetable_setup_start(base); | ||
454 | } | ||
455 | |||
456 | static inline void __init paravirt_pagetable_setup_done(pgd_t *base) | ||
457 | { | ||
458 | native_pagetable_setup_done(base); | ||
459 | } | ||
460 | #endif /* CONFIG_PARAVIRT */ | ||
461 | |||
462 | #endif /* __ASSEMBLY__ */ | 291 | #endif /* __ASSEMBLY__ */ |
463 | 292 | ||
464 | #ifdef CONFIG_X86_32 | 293 | #ifdef CONFIG_X86_32 |
@@ -558,13 +387,6 @@ static inline unsigned long pages_to_mb(unsigned long npg) | |||
558 | #define io_remap_pfn_range(vma, vaddr, pfn, size, prot) \ | 387 | #define io_remap_pfn_range(vma, vaddr, pfn, size, prot) \ |
559 | remap_pfn_range(vma, vaddr, pfn, size, prot) | 388 | remap_pfn_range(vma, vaddr, pfn, size, prot) |
560 | 389 | ||
561 | #if PAGETABLE_LEVELS == 2 | ||
562 | static inline int pud_large(pud_t pud) | ||
563 | { | ||
564 | return 0; | ||
565 | } | ||
566 | #endif | ||
567 | |||
568 | #if PAGETABLE_LEVELS > 2 | 390 | #if PAGETABLE_LEVELS > 2 |
569 | static inline int pud_none(pud_t pud) | 391 | static inline int pud_none(pud_t pud) |
570 | { | 392 | { |
@@ -600,7 +422,7 @@ static inline unsigned long pmd_pfn(pmd_t pmd) | |||
600 | 422 | ||
601 | static inline int pud_large(pud_t pud) | 423 | static inline int pud_large(pud_t pud) |
602 | { | 424 | { |
603 | return (pud_flags(pud) & (_PAGE_PSE | _PAGE_PRESENT)) == | 425 | return (pud_val(pud) & (_PAGE_PSE | _PAGE_PRESENT)) == |
604 | (_PAGE_PSE | _PAGE_PRESENT); | 426 | (_PAGE_PSE | _PAGE_PRESENT); |
605 | } | 427 | } |
606 | 428 | ||
@@ -608,6 +430,11 @@ static inline int pud_bad(pud_t pud) | |||
608 | { | 430 | { |
609 | return (pud_flags(pud) & ~(_KERNPG_TABLE | _PAGE_USER)) != 0; | 431 | return (pud_flags(pud) & ~(_KERNPG_TABLE | _PAGE_USER)) != 0; |
610 | } | 432 | } |
433 | #else | ||
434 | static inline int pud_large(pud_t pud) | ||
435 | { | ||
436 | return 0; | ||
437 | } | ||
611 | #endif /* PAGETABLE_LEVELS > 2 */ | 438 | #endif /* PAGETABLE_LEVELS > 2 */ |
612 | 439 | ||
613 | #if PAGETABLE_LEVELS > 3 | 440 | #if PAGETABLE_LEVELS > 3 |
@@ -676,28 +503,6 @@ static inline int pgd_none(pgd_t pgd) | |||
676 | 503 | ||
677 | #ifndef __ASSEMBLY__ | 504 | #ifndef __ASSEMBLY__ |
678 | 505 | ||
679 | enum { | ||
680 | PG_LEVEL_NONE, | ||
681 | PG_LEVEL_4K, | ||
682 | PG_LEVEL_2M, | ||
683 | PG_LEVEL_1G, | ||
684 | PG_LEVEL_NUM | ||
685 | }; | ||
686 | |||
687 | #ifdef CONFIG_PROC_FS | ||
688 | extern void update_page_count(int level, unsigned long pages); | ||
689 | #else | ||
690 | static inline void update_page_count(int level, unsigned long pages) { } | ||
691 | #endif | ||
692 | |||
693 | /* | ||
694 | * Helper function that returns the kernel pagetable entry controlling | ||
695 | * the virtual address 'address'. NULL means no pagetable entry present. | ||
696 | * NOTE: the return type is pte_t but if the pmd is PSE then we return it | ||
697 | * as a pte too. | ||
698 | */ | ||
699 | extern pte_t *lookup_address(unsigned long address, unsigned int *level); | ||
700 | |||
701 | /* local pte updates need not use xchg for locking */ | 506 | /* local pte updates need not use xchg for locking */ |
702 | static inline pte_t native_local_ptep_get_and_clear(pte_t *ptep) | 507 | static inline pte_t native_local_ptep_get_and_clear(pte_t *ptep) |
703 | { | 508 | { |
diff --git a/arch/x86/include/asm/pgtable_32.h b/arch/x86/include/asm/pgtable_32.h index 1952bb762aac..97612fc7632f 100644 --- a/arch/x86/include/asm/pgtable_32.h +++ b/arch/x86/include/asm/pgtable_32.h | |||
@@ -1,6 +1,7 @@ | |||
1 | #ifndef _ASM_X86_PGTABLE_32_H | 1 | #ifndef _ASM_X86_PGTABLE_32_H |
2 | #define _ASM_X86_PGTABLE_32_H | 2 | #define _ASM_X86_PGTABLE_32_H |
3 | 3 | ||
4 | #include <asm/pgtable_32_types.h> | ||
4 | 5 | ||
5 | /* | 6 | /* |
6 | * The Linux memory management assumes a three-level page table setup. On | 7 | * The Linux memory management assumes a three-level page table setup. On |
@@ -33,47 +34,6 @@ void paging_init(void); | |||
33 | 34 | ||
34 | extern void set_pmd_pfn(unsigned long, unsigned long, pgprot_t); | 35 | extern void set_pmd_pfn(unsigned long, unsigned long, pgprot_t); |
35 | 36 | ||
36 | /* | ||
37 | * The Linux x86 paging architecture is 'compile-time dual-mode', it | ||
38 | * implements both the traditional 2-level x86 page tables and the | ||
39 | * newer 3-level PAE-mode page tables. | ||
40 | */ | ||
41 | #ifdef CONFIG_X86_PAE | ||
42 | # include <asm/pgtable-3level-defs.h> | ||
43 | # define PMD_SIZE (1UL << PMD_SHIFT) | ||
44 | # define PMD_MASK (~(PMD_SIZE - 1)) | ||
45 | #else | ||
46 | # include <asm/pgtable-2level-defs.h> | ||
47 | #endif | ||
48 | |||
49 | #define PGDIR_SIZE (1UL << PGDIR_SHIFT) | ||
50 | #define PGDIR_MASK (~(PGDIR_SIZE - 1)) | ||
51 | |||
52 | /* Just any arbitrary offset to the start of the vmalloc VM area: the | ||
53 | * current 8MB value just means that there will be a 8MB "hole" after the | ||
54 | * physical memory until the kernel virtual memory starts. That means that | ||
55 | * any out-of-bounds memory accesses will hopefully be caught. | ||
56 | * The vmalloc() routines leaves a hole of 4kB between each vmalloced | ||
57 | * area for the same reason. ;) | ||
58 | */ | ||
59 | #define VMALLOC_OFFSET (8 * 1024 * 1024) | ||
60 | #define VMALLOC_START ((unsigned long)high_memory + VMALLOC_OFFSET) | ||
61 | #ifdef CONFIG_X86_PAE | ||
62 | #define LAST_PKMAP 512 | ||
63 | #else | ||
64 | #define LAST_PKMAP 1024 | ||
65 | #endif | ||
66 | |||
67 | #define PKMAP_BASE ((FIXADDR_BOOT_START - PAGE_SIZE * (LAST_PKMAP + 1)) \ | ||
68 | & PMD_MASK) | ||
69 | |||
70 | #ifdef CONFIG_HIGHMEM | ||
71 | # define VMALLOC_END (PKMAP_BASE - 2 * PAGE_SIZE) | ||
72 | #else | ||
73 | # define VMALLOC_END (FIXADDR_START - 2 * PAGE_SIZE) | ||
74 | #endif | ||
75 | |||
76 | #define MAXMEM (VMALLOC_END - PAGE_OFFSET - __VMALLOC_RESERVE) | ||
77 | 37 | ||
78 | /* | 38 | /* |
79 | * Define this if things work differently on an i386 and an i486: | 39 | * Define this if things work differently on an i386 and an i486: |
diff --git a/arch/x86/include/asm/pgtable_32_types.h b/arch/x86/include/asm/pgtable_32_types.h new file mode 100644 index 000000000000..bd8df3b2fe04 --- /dev/null +++ b/arch/x86/include/asm/pgtable_32_types.h | |||
@@ -0,0 +1,46 @@ | |||
1 | #ifndef _ASM_X86_PGTABLE_32_DEFS_H | ||
2 | #define _ASM_X86_PGTABLE_32_DEFS_H | ||
3 | |||
4 | /* | ||
5 | * The Linux x86 paging architecture is 'compile-time dual-mode', it | ||
6 | * implements both the traditional 2-level x86 page tables and the | ||
7 | * newer 3-level PAE-mode page tables. | ||
8 | */ | ||
9 | #ifdef CONFIG_X86_PAE | ||
10 | # include <asm/pgtable-3level_types.h> | ||
11 | # define PMD_SIZE (1UL << PMD_SHIFT) | ||
12 | # define PMD_MASK (~(PMD_SIZE - 1)) | ||
13 | #else | ||
14 | # include <asm/pgtable-2level_types.h> | ||
15 | #endif | ||
16 | |||
17 | #define PGDIR_SIZE (1UL << PGDIR_SHIFT) | ||
18 | #define PGDIR_MASK (~(PGDIR_SIZE - 1)) | ||
19 | |||
20 | /* Just any arbitrary offset to the start of the vmalloc VM area: the | ||
21 | * current 8MB value just means that there will be a 8MB "hole" after the | ||
22 | * physical memory until the kernel virtual memory starts. That means that | ||
23 | * any out-of-bounds memory accesses will hopefully be caught. | ||
24 | * The vmalloc() routines leaves a hole of 4kB between each vmalloced | ||
25 | * area for the same reason. ;) | ||
26 | */ | ||
27 | #define VMALLOC_OFFSET (8 * 1024 * 1024) | ||
28 | #define VMALLOC_START ((unsigned long)high_memory + VMALLOC_OFFSET) | ||
29 | #ifdef CONFIG_X86_PAE | ||
30 | #define LAST_PKMAP 512 | ||
31 | #else | ||
32 | #define LAST_PKMAP 1024 | ||
33 | #endif | ||
34 | |||
35 | #define PKMAP_BASE ((FIXADDR_BOOT_START - PAGE_SIZE * (LAST_PKMAP + 1)) \ | ||
36 | & PMD_MASK) | ||
37 | |||
38 | #ifdef CONFIG_HIGHMEM | ||
39 | # define VMALLOC_END (PKMAP_BASE - 2 * PAGE_SIZE) | ||
40 | #else | ||
41 | # define VMALLOC_END (FIXADDR_START - 2 * PAGE_SIZE) | ||
42 | #endif | ||
43 | |||
44 | #define MAXMEM (VMALLOC_END - PAGE_OFFSET - __VMALLOC_RESERVE) | ||
45 | |||
46 | #endif /* _ASM_X86_PGTABLE_32_DEFS_H */ | ||
diff --git a/arch/x86/include/asm/pgtable_64.h b/arch/x86/include/asm/pgtable_64.h index 1c4e247c51fd..6b87bc6d5018 100644 --- a/arch/x86/include/asm/pgtable_64.h +++ b/arch/x86/include/asm/pgtable_64.h | |||
@@ -2,6 +2,8 @@ | |||
2 | #define _ASM_X86_PGTABLE_64_H | 2 | #define _ASM_X86_PGTABLE_64_H |
3 | 3 | ||
4 | #include <linux/const.h> | 4 | #include <linux/const.h> |
5 | #include <asm/pgtable_64_types.h> | ||
6 | |||
5 | #ifndef __ASSEMBLY__ | 7 | #ifndef __ASSEMBLY__ |
6 | 8 | ||
7 | /* | 9 | /* |
@@ -25,32 +27,6 @@ extern void paging_init(void); | |||
25 | 27 | ||
26 | #endif /* !__ASSEMBLY__ */ | 28 | #endif /* !__ASSEMBLY__ */ |
27 | 29 | ||
28 | #define SHARED_KERNEL_PMD 0 | ||
29 | |||
30 | /* | ||
31 | * PGDIR_SHIFT determines what a top-level page table entry can map | ||
32 | */ | ||
33 | #define PGDIR_SHIFT 39 | ||
34 | #define PTRS_PER_PGD 512 | ||
35 | |||
36 | /* | ||
37 | * 3rd level page | ||
38 | */ | ||
39 | #define PUD_SHIFT 30 | ||
40 | #define PTRS_PER_PUD 512 | ||
41 | |||
42 | /* | ||
43 | * PMD_SHIFT determines the size of the area a middle-level | ||
44 | * page table can map | ||
45 | */ | ||
46 | #define PMD_SHIFT 21 | ||
47 | #define PTRS_PER_PMD 512 | ||
48 | |||
49 | /* | ||
50 | * entries per page directory level | ||
51 | */ | ||
52 | #define PTRS_PER_PTE 512 | ||
53 | |||
54 | #ifndef __ASSEMBLY__ | 30 | #ifndef __ASSEMBLY__ |
55 | 31 | ||
56 | #define pte_ERROR(e) \ | 32 | #define pte_ERROR(e) \ |
@@ -130,26 +106,6 @@ static inline void native_pgd_clear(pgd_t *pgd) | |||
130 | native_set_pgd(pgd, native_make_pgd(0)); | 106 | native_set_pgd(pgd, native_make_pgd(0)); |
131 | } | 107 | } |
132 | 108 | ||
133 | #endif /* !__ASSEMBLY__ */ | ||
134 | |||
135 | #define PMD_SIZE (_AC(1, UL) << PMD_SHIFT) | ||
136 | #define PMD_MASK (~(PMD_SIZE - 1)) | ||
137 | #define PUD_SIZE (_AC(1, UL) << PUD_SHIFT) | ||
138 | #define PUD_MASK (~(PUD_SIZE - 1)) | ||
139 | #define PGDIR_SIZE (_AC(1, UL) << PGDIR_SHIFT) | ||
140 | #define PGDIR_MASK (~(PGDIR_SIZE - 1)) | ||
141 | |||
142 | |||
143 | #define MAXMEM _AC(__AC(1, UL) << MAX_PHYSMEM_BITS, UL) | ||
144 | #define VMALLOC_START _AC(0xffffc20000000000, UL) | ||
145 | #define VMALLOC_END _AC(0xffffe1ffffffffff, UL) | ||
146 | #define VMEMMAP_START _AC(0xffffe20000000000, UL) | ||
147 | #define MODULES_VADDR _AC(0xffffffffa0000000, UL) | ||
148 | #define MODULES_END _AC(0xffffffffff000000, UL) | ||
149 | #define MODULES_LEN (MODULES_END - MODULES_VADDR) | ||
150 | |||
151 | #ifndef __ASSEMBLY__ | ||
152 | |||
153 | /* | 109 | /* |
154 | * Conversion functions: convert a page and protection to a page entry, | 110 | * Conversion functions: convert a page and protection to a page entry, |
155 | * and a page entry and page directory to the page they refer to. | 111 | * and a page entry and page directory to the page they refer to. |
diff --git a/arch/x86/include/asm/pgtable_64_types.h b/arch/x86/include/asm/pgtable_64_types.h new file mode 100644 index 000000000000..2f59135c6f2a --- /dev/null +++ b/arch/x86/include/asm/pgtable_64_types.h | |||
@@ -0,0 +1,62 @@ | |||
1 | #ifndef _ASM_X86_PGTABLE_64_DEFS_H | ||
2 | #define _ASM_X86_PGTABLE_64_DEFS_H | ||
3 | |||
4 | #ifndef __ASSEMBLY__ | ||
5 | #include <linux/types.h> | ||
6 | |||
7 | /* | ||
8 | * These are used to make use of C type-checking.. | ||
9 | */ | ||
10 | typedef unsigned long pteval_t; | ||
11 | typedef unsigned long pmdval_t; | ||
12 | typedef unsigned long pudval_t; | ||
13 | typedef unsigned long pgdval_t; | ||
14 | typedef unsigned long pgprotval_t; | ||
15 | |||
16 | typedef struct { pteval_t pte; } pte_t; | ||
17 | |||
18 | #endif /* !__ASSEMBLY__ */ | ||
19 | |||
20 | #define SHARED_KERNEL_PMD 0 | ||
21 | |||
22 | /* | ||
23 | * PGDIR_SHIFT determines what a top-level page table entry can map | ||
24 | */ | ||
25 | #define PGDIR_SHIFT 39 | ||
26 | #define PTRS_PER_PGD 512 | ||
27 | |||
28 | /* | ||
29 | * 3rd level page | ||
30 | */ | ||
31 | #define PUD_SHIFT 30 | ||
32 | #define PTRS_PER_PUD 512 | ||
33 | |||
34 | /* | ||
35 | * PMD_SHIFT determines the size of the area a middle-level | ||
36 | * page table can map | ||
37 | */ | ||
38 | #define PMD_SHIFT 21 | ||
39 | #define PTRS_PER_PMD 512 | ||
40 | |||
41 | /* | ||
42 | * entries per page directory level | ||
43 | */ | ||
44 | #define PTRS_PER_PTE 512 | ||
45 | |||
46 | #define PMD_SIZE (_AC(1, UL) << PMD_SHIFT) | ||
47 | #define PMD_MASK (~(PMD_SIZE - 1)) | ||
48 | #define PUD_SIZE (_AC(1, UL) << PUD_SHIFT) | ||
49 | #define PUD_MASK (~(PUD_SIZE - 1)) | ||
50 | #define PGDIR_SIZE (_AC(1, UL) << PGDIR_SHIFT) | ||
51 | #define PGDIR_MASK (~(PGDIR_SIZE - 1)) | ||
52 | |||
53 | |||
54 | #define MAXMEM _AC(__AC(1, UL) << MAX_PHYSMEM_BITS, UL) | ||
55 | #define VMALLOC_START _AC(0xffffc20000000000, UL) | ||
56 | #define VMALLOC_END _AC(0xffffe1ffffffffff, UL) | ||
57 | #define VMEMMAP_START _AC(0xffffe20000000000, UL) | ||
58 | #define MODULES_VADDR _AC(0xffffffffa0000000, UL) | ||
59 | #define MODULES_END _AC(0xffffffffff000000, UL) | ||
60 | #define MODULES_LEN (MODULES_END - MODULES_VADDR) | ||
61 | |||
62 | #endif /* _ASM_X86_PGTABLE_64_DEFS_H */ | ||
diff --git a/arch/x86/include/asm/pgtable_types.h b/arch/x86/include/asm/pgtable_types.h new file mode 100644 index 000000000000..9dafe87be2de --- /dev/null +++ b/arch/x86/include/asm/pgtable_types.h | |||
@@ -0,0 +1,322 @@ | |||
1 | #ifndef _ASM_X86_PGTABLE_DEFS_H | ||
2 | #define _ASM_X86_PGTABLE_DEFS_H | ||
3 | |||
4 | #include <linux/const.h> | ||
5 | #include <asm/page_types.h> | ||
6 | |||
7 | #define FIRST_USER_ADDRESS 0 | ||
8 | |||
9 | #define _PAGE_BIT_PRESENT 0 /* is present */ | ||
10 | #define _PAGE_BIT_RW 1 /* writeable */ | ||
11 | #define _PAGE_BIT_USER 2 /* userspace addressable */ | ||
12 | #define _PAGE_BIT_PWT 3 /* page write through */ | ||
13 | #define _PAGE_BIT_PCD 4 /* page cache disabled */ | ||
14 | #define _PAGE_BIT_ACCESSED 5 /* was accessed (raised by CPU) */ | ||
15 | #define _PAGE_BIT_DIRTY 6 /* was written to (raised by CPU) */ | ||
16 | #define _PAGE_BIT_PSE 7 /* 4 MB (or 2MB) page */ | ||
17 | #define _PAGE_BIT_PAT 7 /* on 4KB pages */ | ||
18 | #define _PAGE_BIT_GLOBAL 8 /* Global TLB entry PPro+ */ | ||
19 | #define _PAGE_BIT_UNUSED1 9 /* available for programmer */ | ||
20 | #define _PAGE_BIT_IOMAP 10 /* flag used to indicate IO mapping */ | ||
21 | #define _PAGE_BIT_UNUSED3 11 | ||
22 | #define _PAGE_BIT_PAT_LARGE 12 /* On 2MB or 1GB pages */ | ||
23 | #define _PAGE_BIT_SPECIAL _PAGE_BIT_UNUSED1 | ||
24 | #define _PAGE_BIT_CPA_TEST _PAGE_BIT_UNUSED1 | ||
25 | #define _PAGE_BIT_NX 63 /* No execute: only valid after cpuid check */ | ||
26 | |||
27 | /* If _PAGE_BIT_PRESENT is clear, we use these: */ | ||
28 | /* - if the user mapped it with PROT_NONE; pte_present gives true */ | ||
29 | #define _PAGE_BIT_PROTNONE _PAGE_BIT_GLOBAL | ||
30 | /* - set: nonlinear file mapping, saved PTE; unset:swap */ | ||
31 | #define _PAGE_BIT_FILE _PAGE_BIT_DIRTY | ||
32 | |||
33 | #define _PAGE_PRESENT (_AT(pteval_t, 1) << _PAGE_BIT_PRESENT) | ||
34 | #define _PAGE_RW (_AT(pteval_t, 1) << _PAGE_BIT_RW) | ||
35 | #define _PAGE_USER (_AT(pteval_t, 1) << _PAGE_BIT_USER) | ||
36 | #define _PAGE_PWT (_AT(pteval_t, 1) << _PAGE_BIT_PWT) | ||
37 | #define _PAGE_PCD (_AT(pteval_t, 1) << _PAGE_BIT_PCD) | ||
38 | #define _PAGE_ACCESSED (_AT(pteval_t, 1) << _PAGE_BIT_ACCESSED) | ||
39 | #define _PAGE_DIRTY (_AT(pteval_t, 1) << _PAGE_BIT_DIRTY) | ||
40 | #define _PAGE_PSE (_AT(pteval_t, 1) << _PAGE_BIT_PSE) | ||
41 | #define _PAGE_GLOBAL (_AT(pteval_t, 1) << _PAGE_BIT_GLOBAL) | ||
42 | #define _PAGE_UNUSED1 (_AT(pteval_t, 1) << _PAGE_BIT_UNUSED1) | ||
43 | #define _PAGE_IOMAP (_AT(pteval_t, 1) << _PAGE_BIT_IOMAP) | ||
44 | #define _PAGE_UNUSED3 (_AT(pteval_t, 1) << _PAGE_BIT_UNUSED3) | ||
45 | #define _PAGE_PAT (_AT(pteval_t, 1) << _PAGE_BIT_PAT) | ||
46 | #define _PAGE_PAT_LARGE (_AT(pteval_t, 1) << _PAGE_BIT_PAT_LARGE) | ||
47 | #define _PAGE_SPECIAL (_AT(pteval_t, 1) << _PAGE_BIT_SPECIAL) | ||
48 | #define _PAGE_CPA_TEST (_AT(pteval_t, 1) << _PAGE_BIT_CPA_TEST) | ||
49 | #define __HAVE_ARCH_PTE_SPECIAL | ||
50 | |||
51 | #if defined(CONFIG_X86_64) || defined(CONFIG_X86_PAE) | ||
52 | #define _PAGE_NX (_AT(pteval_t, 1) << _PAGE_BIT_NX) | ||
53 | #else | ||
54 | #define _PAGE_NX (_AT(pteval_t, 0)) | ||
55 | #endif | ||
56 | |||
57 | #define _PAGE_FILE (_AT(pteval_t, 1) << _PAGE_BIT_FILE) | ||
58 | #define _PAGE_PROTNONE (_AT(pteval_t, 1) << _PAGE_BIT_PROTNONE) | ||
59 | |||
60 | #define _PAGE_TABLE (_PAGE_PRESENT | _PAGE_RW | _PAGE_USER | \ | ||
61 | _PAGE_ACCESSED | _PAGE_DIRTY) | ||
62 | #define _KERNPG_TABLE (_PAGE_PRESENT | _PAGE_RW | _PAGE_ACCESSED | \ | ||
63 | _PAGE_DIRTY) | ||
64 | |||
65 | /* Set of bits not changed in pte_modify */ | ||
66 | #define _PAGE_CHG_MASK (PTE_PFN_MASK | _PAGE_PCD | _PAGE_PWT | \ | ||
67 | _PAGE_SPECIAL | _PAGE_ACCESSED | _PAGE_DIRTY) | ||
68 | |||
69 | #define _PAGE_CACHE_MASK (_PAGE_PCD | _PAGE_PWT) | ||
70 | #define _PAGE_CACHE_WB (0) | ||
71 | #define _PAGE_CACHE_WC (_PAGE_PWT) | ||
72 | #define _PAGE_CACHE_UC_MINUS (_PAGE_PCD) | ||
73 | #define _PAGE_CACHE_UC (_PAGE_PCD | _PAGE_PWT) | ||
74 | |||
75 | #define PAGE_NONE __pgprot(_PAGE_PROTNONE | _PAGE_ACCESSED) | ||
76 | #define PAGE_SHARED __pgprot(_PAGE_PRESENT | _PAGE_RW | _PAGE_USER | \ | ||
77 | _PAGE_ACCESSED | _PAGE_NX) | ||
78 | |||
79 | #define PAGE_SHARED_EXEC __pgprot(_PAGE_PRESENT | _PAGE_RW | \ | ||
80 | _PAGE_USER | _PAGE_ACCESSED) | ||
81 | #define PAGE_COPY_NOEXEC __pgprot(_PAGE_PRESENT | _PAGE_USER | \ | ||
82 | _PAGE_ACCESSED | _PAGE_NX) | ||
83 | #define PAGE_COPY_EXEC __pgprot(_PAGE_PRESENT | _PAGE_USER | \ | ||
84 | _PAGE_ACCESSED) | ||
85 | #define PAGE_COPY PAGE_COPY_NOEXEC | ||
86 | #define PAGE_READONLY __pgprot(_PAGE_PRESENT | _PAGE_USER | \ | ||
87 | _PAGE_ACCESSED | _PAGE_NX) | ||
88 | #define PAGE_READONLY_EXEC __pgprot(_PAGE_PRESENT | _PAGE_USER | \ | ||
89 | _PAGE_ACCESSED) | ||
90 | |||
91 | #define __PAGE_KERNEL_EXEC \ | ||
92 | (_PAGE_PRESENT | _PAGE_RW | _PAGE_DIRTY | _PAGE_ACCESSED | _PAGE_GLOBAL) | ||
93 | #define __PAGE_KERNEL (__PAGE_KERNEL_EXEC | _PAGE_NX) | ||
94 | |||
95 | #define __PAGE_KERNEL_RO (__PAGE_KERNEL & ~_PAGE_RW) | ||
96 | #define __PAGE_KERNEL_RX (__PAGE_KERNEL_EXEC & ~_PAGE_RW) | ||
97 | #define __PAGE_KERNEL_EXEC_NOCACHE (__PAGE_KERNEL_EXEC | _PAGE_PCD | _PAGE_PWT) | ||
98 | #define __PAGE_KERNEL_WC (__PAGE_KERNEL | _PAGE_CACHE_WC) | ||
99 | #define __PAGE_KERNEL_NOCACHE (__PAGE_KERNEL | _PAGE_PCD | _PAGE_PWT) | ||
100 | #define __PAGE_KERNEL_UC_MINUS (__PAGE_KERNEL | _PAGE_PCD) | ||
101 | #define __PAGE_KERNEL_VSYSCALL (__PAGE_KERNEL_RX | _PAGE_USER) | ||
102 | #define __PAGE_KERNEL_VSYSCALL_NOCACHE (__PAGE_KERNEL_VSYSCALL | _PAGE_PCD | _PAGE_PWT) | ||
103 | #define __PAGE_KERNEL_LARGE (__PAGE_KERNEL | _PAGE_PSE) | ||
104 | #define __PAGE_KERNEL_LARGE_NOCACHE (__PAGE_KERNEL | _PAGE_CACHE_UC | _PAGE_PSE) | ||
105 | #define __PAGE_KERNEL_LARGE_EXEC (__PAGE_KERNEL_EXEC | _PAGE_PSE) | ||
106 | |||
107 | #define __PAGE_KERNEL_IO (__PAGE_KERNEL | _PAGE_IOMAP) | ||
108 | #define __PAGE_KERNEL_IO_NOCACHE (__PAGE_KERNEL_NOCACHE | _PAGE_IOMAP) | ||
109 | #define __PAGE_KERNEL_IO_UC_MINUS (__PAGE_KERNEL_UC_MINUS | _PAGE_IOMAP) | ||
110 | #define __PAGE_KERNEL_IO_WC (__PAGE_KERNEL_WC | _PAGE_IOMAP) | ||
111 | |||
112 | #define PAGE_KERNEL __pgprot(__PAGE_KERNEL) | ||
113 | #define PAGE_KERNEL_RO __pgprot(__PAGE_KERNEL_RO) | ||
114 | #define PAGE_KERNEL_EXEC __pgprot(__PAGE_KERNEL_EXEC) | ||
115 | #define PAGE_KERNEL_RX __pgprot(__PAGE_KERNEL_RX) | ||
116 | #define PAGE_KERNEL_WC __pgprot(__PAGE_KERNEL_WC) | ||
117 | #define PAGE_KERNEL_NOCACHE __pgprot(__PAGE_KERNEL_NOCACHE) | ||
118 | #define PAGE_KERNEL_UC_MINUS __pgprot(__PAGE_KERNEL_UC_MINUS) | ||
119 | #define PAGE_KERNEL_EXEC_NOCACHE __pgprot(__PAGE_KERNEL_EXEC_NOCACHE) | ||
120 | #define PAGE_KERNEL_LARGE __pgprot(__PAGE_KERNEL_LARGE) | ||
121 | #define PAGE_KERNEL_LARGE_NOCACHE __pgprot(__PAGE_KERNEL_LARGE_NOCACHE) | ||
122 | #define PAGE_KERNEL_LARGE_EXEC __pgprot(__PAGE_KERNEL_LARGE_EXEC) | ||
123 | #define PAGE_KERNEL_VSYSCALL __pgprot(__PAGE_KERNEL_VSYSCALL) | ||
124 | #define PAGE_KERNEL_VSYSCALL_NOCACHE __pgprot(__PAGE_KERNEL_VSYSCALL_NOCACHE) | ||
125 | |||
126 | #define PAGE_KERNEL_IO __pgprot(__PAGE_KERNEL_IO) | ||
127 | #define PAGE_KERNEL_IO_NOCACHE __pgprot(__PAGE_KERNEL_IO_NOCACHE) | ||
128 | #define PAGE_KERNEL_IO_UC_MINUS __pgprot(__PAGE_KERNEL_IO_UC_MINUS) | ||
129 | #define PAGE_KERNEL_IO_WC __pgprot(__PAGE_KERNEL_IO_WC) | ||
130 | |||
131 | /* xwr */ | ||
132 | #define __P000 PAGE_NONE | ||
133 | #define __P001 PAGE_READONLY | ||
134 | #define __P010 PAGE_COPY | ||
135 | #define __P011 PAGE_COPY | ||
136 | #define __P100 PAGE_READONLY_EXEC | ||
137 | #define __P101 PAGE_READONLY_EXEC | ||
138 | #define __P110 PAGE_COPY_EXEC | ||
139 | #define __P111 PAGE_COPY_EXEC | ||
140 | |||
141 | #define __S000 PAGE_NONE | ||
142 | #define __S001 PAGE_READONLY | ||
143 | #define __S010 PAGE_SHARED | ||
144 | #define __S011 PAGE_SHARED | ||
145 | #define __S100 PAGE_READONLY_EXEC | ||
146 | #define __S101 PAGE_READONLY_EXEC | ||
147 | #define __S110 PAGE_SHARED_EXEC | ||
148 | #define __S111 PAGE_SHARED_EXEC | ||
149 | |||
150 | /* | ||
151 | * early identity mapping pte attrib macros. | ||
152 | */ | ||
153 | #ifdef CONFIG_X86_64 | ||
154 | #define __PAGE_KERNEL_IDENT_LARGE_EXEC __PAGE_KERNEL_LARGE_EXEC | ||
155 | #else | ||
156 | /* | ||
157 | * For PDE_IDENT_ATTR include USER bit. As the PDE and PTE protection | ||
158 | * bits are combined, this will alow user to access the high address mapped | ||
159 | * VDSO in the presence of CONFIG_COMPAT_VDSO | ||
160 | */ | ||
161 | #define PTE_IDENT_ATTR 0x003 /* PRESENT+RW */ | ||
162 | #define PDE_IDENT_ATTR 0x067 /* PRESENT+RW+USER+DIRTY+ACCESSED */ | ||
163 | #define PGD_IDENT_ATTR 0x001 /* PRESENT (no other attributes) */ | ||
164 | #endif | ||
165 | |||
166 | #ifdef CONFIG_X86_32 | ||
167 | # include "pgtable_32_types.h" | ||
168 | #else | ||
169 | # include "pgtable_64_types.h" | ||
170 | #endif | ||
171 | |||
172 | #ifndef __ASSEMBLY__ | ||
173 | |||
174 | #include <linux/types.h> | ||
175 | |||
176 | typedef struct pgprot { pgprotval_t pgprot; } pgprot_t; | ||
177 | |||
178 | typedef struct { pgdval_t pgd; } pgd_t; | ||
179 | |||
180 | static inline pgd_t native_make_pgd(pgdval_t val) | ||
181 | { | ||
182 | return (pgd_t) { val }; | ||
183 | } | ||
184 | |||
185 | static inline pgdval_t native_pgd_val(pgd_t pgd) | ||
186 | { | ||
187 | return pgd.pgd; | ||
188 | } | ||
189 | |||
190 | static inline pgdval_t pgd_flags(pgd_t pgd) | ||
191 | { | ||
192 | return native_pgd_val(pgd) & PTE_FLAGS_MASK; | ||
193 | } | ||
194 | |||
195 | #if PAGETABLE_LEVELS > 3 | ||
196 | typedef struct { pudval_t pud; } pud_t; | ||
197 | |||
198 | static inline pud_t native_make_pud(pmdval_t val) | ||
199 | { | ||
200 | return (pud_t) { val }; | ||
201 | } | ||
202 | |||
203 | static inline pudval_t native_pud_val(pud_t pud) | ||
204 | { | ||
205 | return pud.pud; | ||
206 | } | ||
207 | #else | ||
208 | #include <asm-generic/pgtable-nopud.h> | ||
209 | |||
210 | static inline pudval_t native_pud_val(pud_t pud) | ||
211 | { | ||
212 | return native_pgd_val(pud.pgd); | ||
213 | } | ||
214 | #endif | ||
215 | |||
216 | #if PAGETABLE_LEVELS > 2 | ||
217 | typedef struct { pmdval_t pmd; } pmd_t; | ||
218 | |||
219 | static inline pmd_t native_make_pmd(pmdval_t val) | ||
220 | { | ||
221 | return (pmd_t) { val }; | ||
222 | } | ||
223 | |||
224 | static inline pmdval_t native_pmd_val(pmd_t pmd) | ||
225 | { | ||
226 | return pmd.pmd; | ||
227 | } | ||
228 | #else | ||
229 | #include <asm-generic/pgtable-nopmd.h> | ||
230 | |||
231 | static inline pmdval_t native_pmd_val(pmd_t pmd) | ||
232 | { | ||
233 | return native_pgd_val(pmd.pud.pgd); | ||
234 | } | ||
235 | #endif | ||
236 | |||
237 | static inline pudval_t pud_flags(pud_t pud) | ||
238 | { | ||
239 | return native_pud_val(pud) & PTE_FLAGS_MASK; | ||
240 | } | ||
241 | |||
242 | static inline pmdval_t pmd_flags(pmd_t pmd) | ||
243 | { | ||
244 | return native_pmd_val(pmd) & PTE_FLAGS_MASK; | ||
245 | } | ||
246 | |||
247 | static inline pte_t native_make_pte(pteval_t val) | ||
248 | { | ||
249 | return (pte_t) { .pte = val }; | ||
250 | } | ||
251 | |||
252 | static inline pteval_t native_pte_val(pte_t pte) | ||
253 | { | ||
254 | return pte.pte; | ||
255 | } | ||
256 | |||
257 | static inline pteval_t pte_flags(pte_t pte) | ||
258 | { | ||
259 | return native_pte_val(pte) & PTE_FLAGS_MASK; | ||
260 | } | ||
261 | |||
262 | #define pgprot_val(x) ((x).pgprot) | ||
263 | #define __pgprot(x) ((pgprot_t) { (x) } ) | ||
264 | |||
265 | |||
266 | typedef struct page *pgtable_t; | ||
267 | |||
268 | extern pteval_t __supported_pte_mask; | ||
269 | extern int nx_enabled; | ||
270 | |||
271 | #define pgprot_writecombine pgprot_writecombine | ||
272 | extern pgprot_t pgprot_writecombine(pgprot_t prot); | ||
273 | |||
274 | /* Indicate that x86 has its own track and untrack pfn vma functions */ | ||
275 | #define __HAVE_PFNMAP_TRACKING | ||
276 | |||
277 | #define __HAVE_PHYS_MEM_ACCESS_PROT | ||
278 | struct file; | ||
279 | pgprot_t phys_mem_access_prot(struct file *file, unsigned long pfn, | ||
280 | unsigned long size, pgprot_t vma_prot); | ||
281 | int phys_mem_access_prot_allowed(struct file *file, unsigned long pfn, | ||
282 | unsigned long size, pgprot_t *vma_prot); | ||
283 | |||
284 | /* Install a pte for a particular vaddr in kernel space. */ | ||
285 | void set_pte_vaddr(unsigned long vaddr, pte_t pte); | ||
286 | |||
287 | #ifdef CONFIG_X86_32 | ||
288 | extern void native_pagetable_setup_start(pgd_t *base); | ||
289 | extern void native_pagetable_setup_done(pgd_t *base); | ||
290 | #else | ||
291 | static inline void native_pagetable_setup_start(pgd_t *base) {} | ||
292 | static inline void native_pagetable_setup_done(pgd_t *base) {} | ||
293 | #endif | ||
294 | |||
295 | struct seq_file; | ||
296 | extern void arch_report_meminfo(struct seq_file *m); | ||
297 | |||
298 | enum { | ||
299 | PG_LEVEL_NONE, | ||
300 | PG_LEVEL_4K, | ||
301 | PG_LEVEL_2M, | ||
302 | PG_LEVEL_1G, | ||
303 | PG_LEVEL_NUM | ||
304 | }; | ||
305 | |||
306 | #ifdef CONFIG_PROC_FS | ||
307 | extern void update_page_count(int level, unsigned long pages); | ||
308 | #else | ||
309 | static inline void update_page_count(int level, unsigned long pages) { } | ||
310 | #endif | ||
311 | |||
312 | /* | ||
313 | * Helper function that returns the kernel pagetable entry controlling | ||
314 | * the virtual address 'address'. NULL means no pagetable entry present. | ||
315 | * NOTE: the return type is pte_t but if the pmd is PSE then we return it | ||
316 | * as a pte too. | ||
317 | */ | ||
318 | extern pte_t *lookup_address(unsigned long address, unsigned int *level); | ||
319 | |||
320 | #endif /* !__ASSEMBLY__ */ | ||
321 | |||
322 | #endif /* _ASM_X86_PGTABLE_DEFS_H */ | ||
diff --git a/arch/x86/include/asm/processor.h b/arch/x86/include/asm/processor.h index a0133838b67c..dabab1a19ddd 100644 --- a/arch/x86/include/asm/processor.h +++ b/arch/x86/include/asm/processor.h | |||
@@ -16,6 +16,7 @@ struct mm_struct; | |||
16 | #include <asm/cpufeature.h> | 16 | #include <asm/cpufeature.h> |
17 | #include <asm/system.h> | 17 | #include <asm/system.h> |
18 | #include <asm/page.h> | 18 | #include <asm/page.h> |
19 | #include <asm/pgtable_types.h> | ||
19 | #include <asm/percpu.h> | 20 | #include <asm/percpu.h> |
20 | #include <asm/msr.h> | 21 | #include <asm/msr.h> |
21 | #include <asm/desc_defs.h> | 22 | #include <asm/desc_defs.h> |
diff --git a/arch/x86/include/asm/setup.h b/arch/x86/include/asm/setup.h index 45b40278b582..8029369cd6f4 100644 --- a/arch/x86/include/asm/setup.h +++ b/arch/x86/include/asm/setup.h | |||
@@ -7,21 +7,6 @@ | |||
7 | 7 | ||
8 | #ifndef __ASSEMBLY__ | 8 | #ifndef __ASSEMBLY__ |
9 | 9 | ||
10 | /* Interrupt control for vSMPowered x86_64 systems */ | ||
11 | void vsmp_init(void); | ||
12 | |||
13 | void setup_bios_corruption_check(void); | ||
14 | |||
15 | #ifdef CONFIG_X86_VISWS | ||
16 | extern void visws_early_detect(void); | ||
17 | extern int is_visws_box(void); | ||
18 | #else | ||
19 | static inline void visws_early_detect(void) { } | ||
20 | static inline int is_visws_box(void) { return 0; } | ||
21 | #endif | ||
22 | |||
23 | extern int wakeup_secondary_cpu_via_nmi(int apicid, unsigned long start_eip); | ||
24 | extern int wakeup_secondary_cpu_via_init(int apicid, unsigned long start_eip); | ||
25 | /* | 10 | /* |
26 | * Any setup quirks to be performed? | 11 | * Any setup quirks to be performed? |
27 | */ | 12 | */ |
@@ -45,15 +30,9 @@ struct x86_quirks { | |||
45 | void (*smp_read_mpc_oem)(struct mpc_oemtable *oemtable, | 30 | void (*smp_read_mpc_oem)(struct mpc_oemtable *oemtable, |
46 | unsigned short oemsize); | 31 | unsigned short oemsize); |
47 | int (*setup_ioapic_ids)(void); | 32 | int (*setup_ioapic_ids)(void); |
48 | int (*update_genapic)(void); | 33 | int (*update_apic)(void); |
49 | }; | 34 | }; |
50 | 35 | ||
51 | extern struct x86_quirks *x86_quirks; | ||
52 | extern unsigned long saved_video_mode; | ||
53 | |||
54 | #ifndef CONFIG_PARAVIRT | ||
55 | #define paravirt_post_allocator_init() do {} while (0) | ||
56 | #endif | ||
57 | #endif /* __ASSEMBLY__ */ | 36 | #endif /* __ASSEMBLY__ */ |
58 | 37 | ||
59 | #ifdef __i386__ | 38 | #ifdef __i386__ |
@@ -76,6 +55,28 @@ extern unsigned long saved_video_mode; | |||
76 | #ifndef __ASSEMBLY__ | 55 | #ifndef __ASSEMBLY__ |
77 | #include <asm/bootparam.h> | 56 | #include <asm/bootparam.h> |
78 | 57 | ||
58 | /* Interrupt control for vSMPowered x86_64 systems */ | ||
59 | void vsmp_init(void); | ||
60 | |||
61 | void setup_bios_corruption_check(void); | ||
62 | |||
63 | #ifdef CONFIG_X86_VISWS | ||
64 | extern void visws_early_detect(void); | ||
65 | extern int is_visws_box(void); | ||
66 | #else | ||
67 | static inline void visws_early_detect(void) { } | ||
68 | static inline int is_visws_box(void) { return 0; } | ||
69 | #endif | ||
70 | |||
71 | extern int wakeup_secondary_cpu_via_nmi(int apicid, unsigned long start_eip); | ||
72 | extern int wakeup_secondary_cpu_via_init(int apicid, unsigned long start_eip); | ||
73 | extern struct x86_quirks *x86_quirks; | ||
74 | extern unsigned long saved_video_mode; | ||
75 | |||
76 | #ifndef CONFIG_PARAVIRT | ||
77 | #define paravirt_post_allocator_init() do {} while (0) | ||
78 | #endif | ||
79 | |||
79 | #ifndef _SETUP | 80 | #ifndef _SETUP |
80 | 81 | ||
81 | /* | 82 | /* |
diff --git a/arch/x86/include/asm/syscalls.h b/arch/x86/include/asm/syscalls.h index 68b1be10cfad..258ef730aaa4 100644 --- a/arch/x86/include/asm/syscalls.h +++ b/arch/x86/include/asm/syscalls.h | |||
@@ -74,6 +74,7 @@ asmlinkage long sys_vfork(struct pt_regs *); | |||
74 | asmlinkage long sys_execve(char __user *, char __user * __user *, | 74 | asmlinkage long sys_execve(char __user *, char __user * __user *, |
75 | char __user * __user *, | 75 | char __user * __user *, |
76 | struct pt_regs *); | 76 | struct pt_regs *); |
77 | long sys_arch_prctl(int, unsigned long); | ||
77 | 78 | ||
78 | /* kernel/ioport.c */ | 79 | /* kernel/ioport.c */ |
79 | asmlinkage long sys_iopl(unsigned int, struct pt_regs *); | 80 | asmlinkage long sys_iopl(unsigned int, struct pt_regs *); |
diff --git a/arch/x86/include/asm/xen/hypervisor.h b/arch/x86/include/asm/xen/hypervisor.h index 81fbd735aec4..d5b7e90c0edf 100644 --- a/arch/x86/include/asm/xen/hypervisor.h +++ b/arch/x86/include/asm/xen/hypervisor.h | |||
@@ -38,22 +38,30 @@ extern struct shared_info *HYPERVISOR_shared_info; | |||
38 | extern struct start_info *xen_start_info; | 38 | extern struct start_info *xen_start_info; |
39 | 39 | ||
40 | enum xen_domain_type { | 40 | enum xen_domain_type { |
41 | XEN_NATIVE, | 41 | XEN_NATIVE, /* running on bare hardware */ |
42 | XEN_PV_DOMAIN, | 42 | XEN_PV_DOMAIN, /* running in a PV domain */ |
43 | XEN_HVM_DOMAIN, | 43 | XEN_HVM_DOMAIN, /* running in a Xen hvm domain */ |
44 | }; | 44 | }; |
45 | 45 | ||
46 | extern enum xen_domain_type xen_domain_type; | ||
47 | |||
48 | #ifdef CONFIG_XEN | 46 | #ifdef CONFIG_XEN |
49 | #define xen_domain() (xen_domain_type != XEN_NATIVE) | 47 | extern enum xen_domain_type xen_domain_type; |
50 | #else | 48 | #else |
51 | #define xen_domain() (0) | 49 | #define xen_domain_type XEN_NATIVE |
52 | #endif | 50 | #endif |
53 | 51 | ||
54 | #define xen_pv_domain() (xen_domain() && xen_domain_type == XEN_PV_DOMAIN) | 52 | #define xen_domain() (xen_domain_type != XEN_NATIVE) |
55 | #define xen_hvm_domain() (xen_domain() && xen_domain_type == XEN_HVM_DOMAIN) | 53 | #define xen_pv_domain() (xen_domain() && \ |
54 | xen_domain_type == XEN_PV_DOMAIN) | ||
55 | #define xen_hvm_domain() (xen_domain() && \ | ||
56 | xen_domain_type == XEN_HVM_DOMAIN) | ||
57 | |||
58 | #ifdef CONFIG_XEN_DOM0 | ||
59 | #include <xen/interface/xen.h> | ||
56 | 60 | ||
57 | #define xen_initial_domain() (xen_pv_domain() && xen_start_info->flags & SIF_INITDOMAIN) | 61 | #define xen_initial_domain() (xen_pv_domain() && \ |
62 | xen_start_info->flags & SIF_INITDOMAIN) | ||
63 | #else /* !CONFIG_XEN_DOM0 */ | ||
64 | #define xen_initial_domain() (0) | ||
65 | #endif /* CONFIG_XEN_DOM0 */ | ||
58 | 66 | ||
59 | #endif /* _ASM_X86_XEN_HYPERVISOR_H */ | 67 | #endif /* _ASM_X86_XEN_HYPERVISOR_H */ |