aboutsummaryrefslogtreecommitdiffstats
path: root/include/asm-alpha
diff options
context:
space:
mode:
Diffstat (limited to 'include/asm-alpha')
-rw-r--r--include/asm-alpha/bitops.h133
-rw-r--r--include/asm-alpha/fpu.h4
-rw-r--r--include/asm-alpha/mmzone.h19
-rw-r--r--include/asm-alpha/page.h4
-rw-r--r--include/asm-alpha/poll.h4
5 files changed, 20 insertions, 144 deletions
diff --git a/include/asm-alpha/bitops.h b/include/asm-alpha/bitops.h
index 302201f1a097..3f88715e811e 100644
--- a/include/asm-alpha/bitops.h
+++ b/include/asm-alpha/bitops.h
@@ -261,7 +261,7 @@ static inline unsigned long ffz_b(unsigned long x)
261 261
262static inline unsigned long ffz(unsigned long word) 262static inline unsigned long ffz(unsigned long word)
263{ 263{
264#if defined(__alpha_cix__) && defined(__alpha_fix__) 264#if defined(CONFIG_ALPHA_EV6) && defined(CONFIG_ALPHA_EV67)
265 /* Whee. EV67 can calculate it directly. */ 265 /* Whee. EV67 can calculate it directly. */
266 return __kernel_cttz(~word); 266 return __kernel_cttz(~word);
267#else 267#else
@@ -281,7 +281,7 @@ static inline unsigned long ffz(unsigned long word)
281 */ 281 */
282static inline unsigned long __ffs(unsigned long word) 282static inline unsigned long __ffs(unsigned long word)
283{ 283{
284#if defined(__alpha_cix__) && defined(__alpha_fix__) 284#if defined(CONFIG_ALPHA_EV6) && defined(CONFIG_ALPHA_EV67)
285 /* Whee. EV67 can calculate it directly. */ 285 /* Whee. EV67 can calculate it directly. */
286 return __kernel_cttz(word); 286 return __kernel_cttz(word);
287#else 287#else
@@ -313,20 +313,20 @@ static inline int ffs(int word)
313/* 313/*
314 * fls: find last bit set. 314 * fls: find last bit set.
315 */ 315 */
316#if defined(__alpha_cix__) && defined(__alpha_fix__) 316#if defined(CONFIG_ALPHA_EV6) && defined(CONFIG_ALPHA_EV67)
317static inline int fls(int word) 317static inline int fls(int word)
318{ 318{
319 return 64 - __kernel_ctlz(word & 0xffffffff); 319 return 64 - __kernel_ctlz(word & 0xffffffff);
320} 320}
321#else 321#else
322#define fls generic_fls 322#include <asm-generic/bitops/fls.h>
323#endif 323#endif
324#define fls64 generic_fls64 324#include <asm-generic/bitops/fls64.h>
325 325
326/* Compute powers of two for the given integer. */ 326/* Compute powers of two for the given integer. */
327static inline long floor_log2(unsigned long word) 327static inline long floor_log2(unsigned long word)
328{ 328{
329#if defined(__alpha_cix__) && defined(__alpha_fix__) 329#if defined(CONFIG_ALPHA_EV6) && defined(CONFIG_ALPHA_EV67)
330 return 63 - __kernel_ctlz(word); 330 return 63 - __kernel_ctlz(word);
331#else 331#else
332 long bit; 332 long bit;
@@ -347,7 +347,7 @@ static inline long ceil_log2(unsigned long word)
347 * of bits set) of a N-bit word 347 * of bits set) of a N-bit word
348 */ 348 */
349 349
350#if defined(__alpha_cix__) && defined(__alpha_fix__) 350#if defined(CONFIG_ALPHA_EV6) && defined(CONFIG_ALPHA_EV67)
351/* Whee. EV67 can calculate it directly. */ 351/* Whee. EV67 can calculate it directly. */
352static inline unsigned long hweight64(unsigned long w) 352static inline unsigned long hweight64(unsigned long w)
353{ 353{
@@ -358,112 +358,12 @@ static inline unsigned long hweight64(unsigned long w)
358#define hweight16(x) (unsigned int) hweight64((x) & 0xfffful) 358#define hweight16(x) (unsigned int) hweight64((x) & 0xfffful)
359#define hweight8(x) (unsigned int) hweight64((x) & 0xfful) 359#define hweight8(x) (unsigned int) hweight64((x) & 0xfful)
360#else 360#else
361static inline unsigned long hweight64(unsigned long w) 361#include <asm-generic/bitops/hweight.h>
362{
363 unsigned long result;
364 for (result = 0; w ; w >>= 1)
365 result += (w & 1);
366 return result;
367}
368
369#define hweight32(x) generic_hweight32(x)
370#define hweight16(x) generic_hweight16(x)
371#define hweight8(x) generic_hweight8(x)
372#endif 362#endif
373 363
374#endif /* __KERNEL__ */ 364#endif /* __KERNEL__ */
375 365
376/* 366#include <asm-generic/bitops/find.h>
377 * Find next zero bit in a bitmap reasonably efficiently..
378 */
379static inline unsigned long
380find_next_zero_bit(const void *addr, unsigned long size, unsigned long offset)
381{
382 const unsigned long *p = addr;
383 unsigned long result = offset & ~63UL;
384 unsigned long tmp;
385
386 p += offset >> 6;
387 if (offset >= size)
388 return size;
389 size -= result;
390 offset &= 63UL;
391 if (offset) {
392 tmp = *(p++);
393 tmp |= ~0UL >> (64-offset);
394 if (size < 64)
395 goto found_first;
396 if (~tmp)
397 goto found_middle;
398 size -= 64;
399 result += 64;
400 }
401 while (size & ~63UL) {
402 if (~(tmp = *(p++)))
403 goto found_middle;
404 result += 64;
405 size -= 64;
406 }
407 if (!size)
408 return result;
409 tmp = *p;
410 found_first:
411 tmp |= ~0UL << size;
412 if (tmp == ~0UL) /* Are any bits zero? */
413 return result + size; /* Nope. */
414 found_middle:
415 return result + ffz(tmp);
416}
417
418/*
419 * Find next one bit in a bitmap reasonably efficiently.
420 */
421static inline unsigned long
422find_next_bit(const void * addr, unsigned long size, unsigned long offset)
423{
424 const unsigned long *p = addr;
425 unsigned long result = offset & ~63UL;
426 unsigned long tmp;
427
428 p += offset >> 6;
429 if (offset >= size)
430 return size;
431 size -= result;
432 offset &= 63UL;
433 if (offset) {
434 tmp = *(p++);
435 tmp &= ~0UL << offset;
436 if (size < 64)
437 goto found_first;
438 if (tmp)
439 goto found_middle;
440 size -= 64;
441 result += 64;
442 }
443 while (size & ~63UL) {
444 if ((tmp = *(p++)))
445 goto found_middle;
446 result += 64;
447 size -= 64;
448 }
449 if (!size)
450 return result;
451 tmp = *p;
452 found_first:
453 tmp &= ~0UL >> (64 - size);
454 if (!tmp)
455 return result + size;
456 found_middle:
457 return result + __ffs(tmp);
458}
459
460/*
461 * The optimizer actually does good code for this case.
462 */
463#define find_first_zero_bit(addr, size) \
464 find_next_zero_bit((addr), (size), 0)
465#define find_first_bit(addr, size) \
466 find_next_bit((addr), (size), 0)
467 367
468#ifdef __KERNEL__ 368#ifdef __KERNEL__
469 369
@@ -487,21 +387,12 @@ sched_find_first_bit(unsigned long b[3])
487 return __ffs(b0) + ofs; 387 return __ffs(b0) + ofs;
488} 388}
489 389
390#include <asm-generic/bitops/ext2-non-atomic.h>
490 391
491#define ext2_set_bit __test_and_set_bit
492#define ext2_set_bit_atomic(l,n,a) test_and_set_bit(n,a) 392#define ext2_set_bit_atomic(l,n,a) test_and_set_bit(n,a)
493#define ext2_clear_bit __test_and_clear_bit
494#define ext2_clear_bit_atomic(l,n,a) test_and_clear_bit(n,a) 393#define ext2_clear_bit_atomic(l,n,a) test_and_clear_bit(n,a)
495#define ext2_test_bit test_bit 394
496#define ext2_find_first_zero_bit find_first_zero_bit 395#include <asm-generic/bitops/minix.h>
497#define ext2_find_next_zero_bit find_next_zero_bit
498
499/* Bitmap functions for the minix filesystem. */
500#define minix_test_and_set_bit(nr,addr) __test_and_set_bit(nr,addr)
501#define minix_set_bit(nr,addr) __set_bit(nr,addr)
502#define minix_test_and_clear_bit(nr,addr) __test_and_clear_bit(nr,addr)
503#define minix_test_bit(nr,addr) test_bit(nr,addr)
504#define minix_find_first_zero_bit(addr,size) find_first_zero_bit(addr,size)
505 396
506#endif /* __KERNEL__ */ 397#endif /* __KERNEL__ */
507 398
diff --git a/include/asm-alpha/fpu.h b/include/asm-alpha/fpu.h
index c203fc2fa5cd..ecb17a72acc3 100644
--- a/include/asm-alpha/fpu.h
+++ b/include/asm-alpha/fpu.h
@@ -130,7 +130,7 @@ rdfpcr(void)
130{ 130{
131 unsigned long tmp, ret; 131 unsigned long tmp, ret;
132 132
133#if defined(__alpha_cix__) || defined(__alpha_fix__) 133#if defined(CONFIG_ALPHA_EV6) || defined(CONFIG_ALPHA_EV67)
134 __asm__ __volatile__ ( 134 __asm__ __volatile__ (
135 "ftoit $f0,%0\n\t" 135 "ftoit $f0,%0\n\t"
136 "mf_fpcr $f0\n\t" 136 "mf_fpcr $f0\n\t"
@@ -154,7 +154,7 @@ wrfpcr(unsigned long val)
154{ 154{
155 unsigned long tmp; 155 unsigned long tmp;
156 156
157#if defined(__alpha_cix__) || defined(__alpha_fix__) 157#if defined(CONFIG_ALPHA_EV6) || defined(CONFIG_ALPHA_EV67)
158 __asm__ __volatile__ ( 158 __asm__ __volatile__ (
159 "ftoit $f0,%0\n\t" 159 "ftoit $f0,%0\n\t"
160 "itoft %1,$f0\n\t" 160 "itoft %1,$f0\n\t"
diff --git a/include/asm-alpha/mmzone.h b/include/asm-alpha/mmzone.h
index a011ef4cf3d3..192d80c875b0 100644
--- a/include/asm-alpha/mmzone.h
+++ b/include/asm-alpha/mmzone.h
@@ -59,9 +59,6 @@ PLAT_NODE_DATA_LOCALNR(unsigned long p, int n)
59#define kvaddr_to_nid(kaddr) pa_to_nid(__pa(kaddr)) 59#define kvaddr_to_nid(kaddr) pa_to_nid(__pa(kaddr))
60#define node_start_pfn(nid) (NODE_DATA(nid)->node_start_pfn) 60#define node_start_pfn(nid) (NODE_DATA(nid)->node_start_pfn)
61 61
62#define local_mapnr(kvaddr) \
63 ((__pa(kvaddr) >> PAGE_SHIFT) - node_start_pfn(kvaddr_to_nid(kvaddr)))
64
65/* 62/*
66 * Given a kaddr, LOCAL_BASE_ADDR finds the owning node of the memory 63 * Given a kaddr, LOCAL_BASE_ADDR finds the owning node of the memory
67 * and returns the kaddr corresponding to first physical page in the 64 * and returns the kaddr corresponding to first physical page in the
@@ -86,8 +83,7 @@ PLAT_NODE_DATA_LOCALNR(unsigned long p, int n)
86 pte_t pte; \ 83 pte_t pte; \
87 unsigned long pfn; \ 84 unsigned long pfn; \
88 \ 85 \
89 pfn = ((unsigned long)((page)-page_zone(page)->zone_mem_map)) << 32; \ 86 pfn = page_to_pfn(page) << 32; \
90 pfn += page_zone(page)->zone_start_pfn << 32; \
91 pte_val(pte) = pfn | pgprot_val(pgprot); \ 87 pte_val(pte) = pfn | pgprot_val(pgprot); \
92 \ 88 \
93 pte; \ 89 pte; \
@@ -104,19 +100,8 @@ PLAT_NODE_DATA_LOCALNR(unsigned long p, int n)
104 __xx; \ 100 __xx; \
105}) 101})
106 102
107#define pfn_to_page(pfn) \
108({ \
109 unsigned long kaddr = (unsigned long)__va((pfn) << PAGE_SHIFT); \
110 (NODE_DATA(kvaddr_to_nid(kaddr))->node_mem_map + local_mapnr(kaddr)); \
111})
112
113#define page_to_pfn(page) \
114 ((page) - page_zone(page)->zone_mem_map + \
115 (page_zone(page)->zone_start_pfn))
116
117#define page_to_pa(page) \ 103#define page_to_pa(page) \
118 ((( (page) - page_zone(page)->zone_mem_map ) \ 104 (page_to_pfn(page) << PAGE_SHIFT)
119 + page_zone(page)->zone_start_pfn) << PAGE_SHIFT)
120 105
121#define pfn_to_nid(pfn) pa_to_nid(((u64)(pfn) << PAGE_SHIFT)) 106#define pfn_to_nid(pfn) pa_to_nid(((u64)(pfn) << PAGE_SHIFT))
122#define pfn_valid(pfn) \ 107#define pfn_valid(pfn) \
diff --git a/include/asm-alpha/page.h b/include/asm-alpha/page.h
index fa0b41b164a7..61bcf70b5eac 100644
--- a/include/asm-alpha/page.h
+++ b/include/asm-alpha/page.h
@@ -85,8 +85,6 @@ typedef unsigned long pgprot_t;
85#define __pa(x) ((unsigned long) (x) - PAGE_OFFSET) 85#define __pa(x) ((unsigned long) (x) - PAGE_OFFSET)
86#define __va(x) ((void *)((unsigned long) (x) + PAGE_OFFSET)) 86#define __va(x) ((void *)((unsigned long) (x) + PAGE_OFFSET))
87#ifndef CONFIG_DISCONTIGMEM 87#ifndef CONFIG_DISCONTIGMEM
88#define pfn_to_page(pfn) (mem_map + (pfn))
89#define page_to_pfn(page) ((unsigned long)((page) - mem_map))
90#define virt_to_page(kaddr) pfn_to_page(__pa(kaddr) >> PAGE_SHIFT) 88#define virt_to_page(kaddr) pfn_to_page(__pa(kaddr) >> PAGE_SHIFT)
91 89
92#define pfn_valid(pfn) ((pfn) < max_mapnr) 90#define pfn_valid(pfn) ((pfn) < max_mapnr)
@@ -95,9 +93,9 @@ typedef unsigned long pgprot_t;
95 93
96#define VM_DATA_DEFAULT_FLAGS (VM_READ | VM_WRITE | VM_EXEC | \ 94#define VM_DATA_DEFAULT_FLAGS (VM_READ | VM_WRITE | VM_EXEC | \
97 VM_MAYREAD | VM_MAYWRITE | VM_MAYEXEC) 95 VM_MAYREAD | VM_MAYWRITE | VM_MAYEXEC)
98
99#endif /* __KERNEL__ */ 96#endif /* __KERNEL__ */
100 97
98#include <asm-generic/memory_model.h>
101#include <asm-generic/page.h> 99#include <asm-generic/page.h>
102 100
103#endif /* _ALPHA_PAGE_H */ 101#endif /* _ALPHA_PAGE_H */
diff --git a/include/asm-alpha/poll.h b/include/asm-alpha/poll.h
index 34f333b762a0..76f89356b6a7 100644
--- a/include/asm-alpha/poll.h
+++ b/include/asm-alpha/poll.h
@@ -12,7 +12,9 @@
12#define POLLWRNORM (1 << 8) 12#define POLLWRNORM (1 << 8)
13#define POLLWRBAND (1 << 9) 13#define POLLWRBAND (1 << 9)
14#define POLLMSG (1 << 10) 14#define POLLMSG (1 << 10)
15#define POLLREMOVE (1 << 11) 15#define POLLREMOVE (1 << 12)
16#define POLLRDHUP (1 << 13)
17
16 18
17struct pollfd { 19struct pollfd {
18 int fd; 20 int fd;