diff options
Diffstat (limited to 'include/asm-sh64')
-rw-r--r-- | include/asm-sh64/bitops.h | 390 | ||||
-rw-r--r-- | include/asm-sh64/page.h | 5 | ||||
-rw-r--r-- | include/asm-sh64/pgalloc.h | 16 | ||||
-rw-r--r-- | include/asm-sh64/platform.h | 5 | ||||
-rw-r--r-- | include/asm-sh64/poll.h | 1 |
5 files changed, 14 insertions, 403 deletions
diff --git a/include/asm-sh64/bitops.h b/include/asm-sh64/bitops.h index ce9c3ad45fe0..f3bdcdb5d046 100644 --- a/include/asm-sh64/bitops.h +++ b/include/asm-sh64/bitops.h @@ -31,16 +31,6 @@ static __inline__ void set_bit(int nr, volatile void * addr) local_irq_restore(flags); } -static inline void __set_bit(int nr, void *addr) -{ - int mask; - unsigned int *a = addr; - - a += nr >> 5; - mask = 1 << (nr & 0x1f); - *a |= mask; -} - /* * clear_bit() doesn't provide any barrier for the compiler. */ @@ -58,15 +48,6 @@ static inline void clear_bit(int nr, volatile unsigned long *a) local_irq_restore(flags); } -static inline void __clear_bit(int nr, volatile unsigned long *a) -{ - int mask; - - a += nr >> 5; - mask = 1 << (nr & 0x1f); - *a &= ~mask; -} - static __inline__ void change_bit(int nr, volatile void * addr) { int mask; @@ -80,16 +61,6 @@ static __inline__ void change_bit(int nr, volatile void * addr) local_irq_restore(flags); } -static __inline__ void __change_bit(int nr, volatile void * addr) -{ - int mask; - volatile unsigned int *a = addr; - - a += nr >> 5; - mask = 1 << (nr & 0x1f); - *a ^= mask; -} - static __inline__ int test_and_set_bit(int nr, volatile void * addr) { int mask, retval; @@ -106,19 +77,6 @@ static __inline__ int test_and_set_bit(int nr, volatile void * addr) return retval; } -static __inline__ int __test_and_set_bit(int nr, volatile void * addr) -{ - int mask, retval; - volatile unsigned int *a = addr; - - a += nr >> 5; - mask = 1 << (nr & 0x1f); - retval = (mask & *a) != 0; - *a |= mask; - - return retval; -} - static __inline__ int test_and_clear_bit(int nr, volatile void * addr) { int mask, retval; @@ -135,19 +93,6 @@ static __inline__ int test_and_clear_bit(int nr, volatile void * addr) return retval; } -static __inline__ int __test_and_clear_bit(int nr, volatile void * addr) -{ - int mask, retval; - volatile unsigned int *a = addr; - - a += nr >> 5; - mask = 1 << (nr & 0x1f); - retval = (mask & *a) != 0; - *a &= ~mask; - - return retval; -} - static __inline__ int test_and_change_bit(int nr, volatile void * addr) { int mask, retval; @@ -164,23 +109,7 @@ static __inline__ int test_and_change_bit(int nr, volatile void * addr) return retval; } -static __inline__ int __test_and_change_bit(int nr, volatile void * addr) -{ - int mask, retval; - volatile unsigned int *a = addr; - - a += nr >> 5; - mask = 1 << (nr & 0x1f); - retval = (mask & *a) != 0; - *a ^= mask; - - return retval; -} - -static __inline__ int test_bit(int nr, const volatile void *addr) -{ - return 1UL & (((const volatile unsigned int *) addr)[nr >> 5] >> (nr & 31)); -} +#include <asm-generic/bitops/non-atomic.h> static __inline__ unsigned long ffz(unsigned long word) { @@ -204,313 +133,16 @@ static __inline__ unsigned long ffz(unsigned long word) return result; } -/** - * __ffs - find first bit in word - * @word: The word to search - * - * Undefined if no bit exists, so code should check against 0 first. - */ -static inline unsigned long __ffs(unsigned long word) -{ - int r = 0; - - if (!word) - return 0; - if (!(word & 0xffff)) { - word >>= 16; - r += 16; - } - if (!(word & 0xff)) { - word >>= 8; - r += 8; - } - if (!(word & 0xf)) { - word >>= 4; - r += 4; - } - if (!(word & 3)) { - word >>= 2; - r += 2; - } - if (!(word & 1)) { - word >>= 1; - r += 1; - } - return r; -} - -/** - * find_next_bit - find the next set bit in a memory region - * @addr: The address to base the search on - * @offset: The bitnumber to start searching at - * @size: The maximum size to search - */ -static inline unsigned long find_next_bit(const unsigned long *addr, - unsigned long size, unsigned long offset) -{ - unsigned int *p = ((unsigned int *) addr) + (offset >> 5); - unsigned int result = offset & ~31UL; - unsigned int tmp; - - if (offset >= size) - return size; - size -= result; - offset &= 31UL; - if (offset) { - tmp = *p++; - tmp &= ~0UL << offset; - if (size < 32) - goto found_first; - if (tmp) - goto found_middle; - size -= 32; - result += 32; - } - while (size >= 32) { - if ((tmp = *p++) != 0) - goto found_middle; - result += 32; - size -= 32; - } - if (!size) - return result; - tmp = *p; - -found_first: - tmp &= ~0UL >> (32 - size); - if (tmp == 0UL) /* Are any bits set? */ - return result + size; /* Nope. */ -found_middle: - return result + __ffs(tmp); -} - -/** - * find_first_bit - find the first set bit in a memory region - * @addr: The address to start the search at - * @size: The maximum size to search - * - * Returns the bit-number of the first set bit, not the number of the byte - * containing a bit. - */ -#define find_first_bit(addr, size) \ - find_next_bit((addr), (size), 0) - - -static inline int find_next_zero_bit(void *addr, int size, int offset) -{ - unsigned long *p = ((unsigned long *) addr) + (offset >> 5); - unsigned long result = offset & ~31UL; - unsigned long tmp; - - if (offset >= size) - return size; - size -= result; - offset &= 31UL; - if (offset) { - tmp = *(p++); - tmp |= ~0UL >> (32-offset); - if (size < 32) - goto found_first; - if (~tmp) - goto found_middle; - size -= 32; - result += 32; - } - while (size & ~31UL) { - if (~(tmp = *(p++))) - goto found_middle; - result += 32; - size -= 32; - } - if (!size) - return result; - tmp = *p; - -found_first: - tmp |= ~0UL << size; -found_middle: - return result + ffz(tmp); -} - -#define find_first_zero_bit(addr, size) \ - find_next_zero_bit((addr), (size), 0) - -/* - * hweightN: returns the hamming weight (i.e. the number - * of bits set) of a N-bit word - */ - -#define hweight32(x) generic_hweight32(x) -#define hweight16(x) generic_hweight16(x) -#define hweight8(x) generic_hweight8(x) - -/* - * Every architecture must define this function. It's the fastest - * way of searching a 140-bit bitmap where the first 100 bits are - * unlikely to be set. It's guaranteed that at least one of the 140 - * bits is cleared. - */ - -static inline int sched_find_first_bit(unsigned long *b) -{ - if (unlikely(b[0])) - return __ffs(b[0]); - if (unlikely(b[1])) - return __ffs(b[1]) + 32; - if (unlikely(b[2])) - return __ffs(b[2]) + 64; - if (b[3]) - return __ffs(b[3]) + 96; - return __ffs(b[4]) + 128; -} - -/* - * ffs: find first bit set. This is defined the same way as - * the libc and compiler builtin ffs routines, therefore - * differs in spirit from the above ffz (man ffs). - */ - -#define ffs(x) generic_ffs(x) - -/* - * hweightN: returns the hamming weight (i.e. the number - * of bits set) of a N-bit word - */ - -#define hweight32(x) generic_hweight32(x) -#define hweight16(x) generic_hweight16(x) -#define hweight8(x) generic_hweight8(x) - -#ifdef __LITTLE_ENDIAN__ -#define ext2_set_bit(nr, addr) test_and_set_bit((nr), (addr)) -#define ext2_clear_bit(nr, addr) test_and_clear_bit((nr), (addr)) -#define ext2_test_bit(nr, addr) test_bit((nr), (addr)) -#define ext2_find_first_zero_bit(addr, size) find_first_zero_bit((addr), (size)) -#define ext2_find_next_zero_bit(addr, size, offset) \ - find_next_zero_bit((addr), (size), (offset)) -#else -static __inline__ int ext2_set_bit(int nr, volatile void * addr) -{ - int mask, retval; - unsigned long flags; - volatile unsigned char *ADDR = (unsigned char *) addr; - - ADDR += nr >> 3; - mask = 1 << (nr & 0x07); - local_irq_save(flags); - retval = (mask & *ADDR) != 0; - *ADDR |= mask; - local_irq_restore(flags); - return retval; -} - -static __inline__ int ext2_clear_bit(int nr, volatile void * addr) -{ - int mask, retval; - unsigned long flags; - volatile unsigned char *ADDR = (unsigned char *) addr; - - ADDR += nr >> 3; - mask = 1 << (nr & 0x07); - local_irq_save(flags); - retval = (mask & *ADDR) != 0; - *ADDR &= ~mask; - local_irq_restore(flags); - return retval; -} - -static __inline__ int ext2_test_bit(int nr, const volatile void * addr) -{ - int mask; - const volatile unsigned char *ADDR = (const unsigned char *) addr; - - ADDR += nr >> 3; - mask = 1 << (nr & 0x07); - return ((mask & *ADDR) != 0); -} - -#define ext2_find_first_zero_bit(addr, size) \ - ext2_find_next_zero_bit((addr), (size), 0) - -static __inline__ unsigned long ext2_find_next_zero_bit(void *addr, unsigned long size, unsigned long offset) -{ - unsigned long *p = ((unsigned long *) addr) + (offset >> 5); - unsigned long result = offset & ~31UL; - unsigned long tmp; - - if (offset >= size) - return size; - size -= result; - offset &= 31UL; - if(offset) { - /* We hold the little endian value in tmp, but then the - * shift is illegal. So we could keep a big endian value - * in tmp, like this: - * - * tmp = __swab32(*(p++)); - * tmp |= ~0UL >> (32-offset); - * - * but this would decrease preformance, so we change the - * shift: - */ - tmp = *(p++); - tmp |= __swab32(~0UL >> (32-offset)); - if(size < 32) - goto found_first; - if(~tmp) - goto found_middle; - size -= 32; - result += 32; - } - while(size & ~31UL) { - if(~(tmp = *(p++))) - goto found_middle; - result += 32; - size -= 32; - } - if(!size) - return result; - tmp = *p; - -found_first: - /* tmp is little endian, so we would have to swab the shift, - * see above. But then we have to swab tmp below for ffz, so - * we might as well do this here. - */ - return result + ffz(__swab32(tmp) | (~0UL << size)); -found_middle: - return result + ffz(__swab32(tmp)); -} -#endif - -#define ext2_set_bit_atomic(lock, nr, addr) \ - ({ \ - int ret; \ - spin_lock(lock); \ - ret = ext2_set_bit((nr), (addr)); \ - spin_unlock(lock); \ - ret; \ - }) - -#define ext2_clear_bit_atomic(lock, nr, addr) \ - ({ \ - int ret; \ - spin_lock(lock); \ - ret = ext2_clear_bit((nr), (addr)); \ - spin_unlock(lock); \ - ret; \ - }) - -/* Bitmap functions for the minix filesystem. */ -#define minix_test_and_set_bit(nr,addr) test_and_set_bit(nr,addr) -#define minix_set_bit(nr,addr) set_bit(nr,addr) -#define minix_test_and_clear_bit(nr,addr) test_and_clear_bit(nr,addr) -#define minix_test_bit(nr,addr) test_bit(nr,addr) -#define minix_find_first_zero_bit(addr,size) find_first_zero_bit(addr,size) - -#define ffs(x) generic_ffs(x) -#define fls(x) generic_fls(x) -#define fls64(x) generic_fls64(x) +#include <asm-generic/bitops/__ffs.h> +#include <asm-generic/bitops/find.h> +#include <asm-generic/bitops/hweight.h> +#include <asm-generic/bitops/sched.h> +#include <asm-generic/bitops/ffs.h> +#include <asm-generic/bitops/ext2-non-atomic.h> +#include <asm-generic/bitops/ext2-atomic.h> +#include <asm-generic/bitops/minix.h> +#include <asm-generic/bitops/fls.h> +#include <asm-generic/bitops/fls64.h> #endif /* __KERNEL__ */ diff --git a/include/asm-sh64/page.h b/include/asm-sh64/page.h index c86df90f7cbd..e4937cdabebd 100644 --- a/include/asm-sh64/page.h +++ b/include/asm-sh64/page.h @@ -105,9 +105,7 @@ typedef struct { unsigned long pgprot; } pgprot_t; /* PFN start number, because of __MEMORY_START */ #define PFN_START (__MEMORY_START >> PAGE_SHIFT) - -#define pfn_to_page(pfn) (mem_map + (pfn) - PFN_START) -#define page_to_pfn(page) ((unsigned long)((page) - mem_map) + PFN_START) +#define ARCH_PFN_OFFSET (PFN_START) #define virt_to_page(kaddr) pfn_to_page(__pa(kaddr) >> PAGE_SHIFT) #define pfn_valid(pfn) (((pfn) - PFN_START) < max_mapnr) #define virt_addr_valid(kaddr) pfn_valid(__pa(kaddr) >> PAGE_SHIFT) @@ -117,6 +115,7 @@ typedef struct { unsigned long pgprot; } pgprot_t; #endif /* __KERNEL__ */ +#include <asm-generic/memory_model.h> #include <asm-generic/page.h> #endif /* __ASM_SH64_PAGE_H */ diff --git a/include/asm-sh64/pgalloc.h b/include/asm-sh64/pgalloc.h index 678251ac1db8..b29dd468817e 100644 --- a/include/asm-sh64/pgalloc.h +++ b/include/asm-sh64/pgalloc.h @@ -167,22 +167,6 @@ static __inline__ void pmd_free(pmd_t *pmd) extern int do_check_pgt_cache(int, int); -static inline void set_pgdir(unsigned long address, pgd_t entry) -{ - struct task_struct * p; - pgd_t *pgd; - - read_lock(&tasklist_lock); - for_each_process(p) { - if (!p->mm) - continue; - *pgd_offset(p->mm,address) = entry; - } - read_unlock(&tasklist_lock); - for (pgd = (pgd_t *)pgd_quicklist; pgd; pgd = (pgd_t *)*(unsigned long *)pgd) - pgd[address >> PGDIR_SHIFT] = entry; -} - #define pmd_populate_kernel(mm, pmd, pte) \ set_pmd(pmd, __pmd(_PAGE_TABLE + (unsigned long) (pte))) diff --git a/include/asm-sh64/platform.h b/include/asm-sh64/platform.h index 7046a9014027..bd0d9c405a80 100644 --- a/include/asm-sh64/platform.h +++ b/include/asm-sh64/platform.h @@ -61,9 +61,4 @@ extern int platform_int_priority[NR_INTC_IRQS]; #define code_resource (platform_parms.kram_res_p[STANDARD_KRAM_RESOURCES - 2]) #define data_resource (platform_parms.kram_res_p[STANDARD_KRAM_RESOURCES - 1]) -/* Be prepared to 64-bit sign extensions */ -#define PFN_UP(x) ((((x) + PAGE_SIZE-1) >> PAGE_SHIFT) & 0x000fffff) -#define PFN_DOWN(x) (((x) >> PAGE_SHIFT) & 0x000fffff) -#define PFN_PHYS(x) ((x) << PAGE_SHIFT) - #endif /* __ASM_SH64_PLATFORM_H */ diff --git a/include/asm-sh64/poll.h b/include/asm-sh64/poll.h index a420d14eb704..3a6cbad08d28 100644 --- a/include/asm-sh64/poll.h +++ b/include/asm-sh64/poll.h @@ -26,6 +26,7 @@ #define POLLWRNORM 0x0100 #define POLLWRBAND 0x0200 #define POLLMSG 0x0400 +#define POLLRDHUP 0x2000 struct pollfd { int fd; |