Warning: file_get_contents(https://raw.githubusercontent.com/Den1xxx/Filemanager/master/languages/ru.json): failed to open stream: HTTP request failed! HTTP/1.1 404 Not Found in /home/familylifersmpc/htdocs/www.familylifersmpc.com/index.php on line 91
/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __ASM_ARM_WORD_AT_A_TIME_H #define __ASM_ARM_WORD_AT_A_TIME_H #ifndef __ARMEB__ /* * Little-endian word-at-a-time zero byte handling. * Heavily based on the x86 algorithm. */ #include struct word_at_a_time { const unsigned long one_bits, high_bits; }; #define WORD_AT_A_TIME_CONSTANTS { REPEAT_BYTE(0x01), REPEAT_BYTE(0x80) } static inline unsigned long has_zero(unsigned long a, unsigned long *bits, const struct word_at_a_time *c) { unsigned long mask = ((a - c->one_bits) & ~a) & c->high_bits; *bits = mask; return mask; } #define prep_zero_mask(a, bits, c) (bits) static inline unsigned long create_zero_mask(unsigned long bits) { bits = (bits - 1) & ~bits; return bits >> 7; } static inline unsigned long find_zero(unsigned long mask) { unsigned long ret; #if __LINUX_ARM_ARCH__ >= 5 /* We have clz available. */ ret = fls(mask) >> 3; #else /* (000000 0000ff 00ffff ffffff) -> ( 1 1 2 3 ) */ ret = (0x0ff0001 + mask) >> 23; /* Fix the 1 for 00 case */ ret &= mask; #endif return ret; } #define zero_bytemask(mask) (mask) #else /* __ARMEB__ */ #include #endif #ifdef CONFIG_DCACHE_WORD_ACCESS /* * Load an unaligned word from kernel space. * * In the (very unlikely) case of the word being a page-crosser * and the next page not being mapped, take the exception and * return zeroes in the non-existing part. */ static inline unsigned long load_unaligned_zeropad(const void *addr) { unsigned long ret, offset; /* Load word from unaligned pointer addr */ asm( "1: ldr %0, [%2]\n" "2:\n" " .pushsection .text.fixup,\"ax\"\n" " .align 2\n" "3: and %1, %2, #0x3\n" " bic %2, %2, #0x3\n" " ldr %0, [%2]\n" " lsl %1, %1, #0x3\n" #ifndef __ARM