cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
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string.h (2522B)

      1/* SPDX-License-Identifier: GPL-2.0 */
      2#ifndef _ASM_POWERPC_STRING_H
      3#define _ASM_POWERPC_STRING_H
      4
      5#ifdef __KERNEL__
      6
      7#ifndef CONFIG_KASAN
      8#define __HAVE_ARCH_STRNCPY
      9#define __HAVE_ARCH_STRNCMP
     10#define __HAVE_ARCH_MEMCHR
     11#define __HAVE_ARCH_MEMCMP
     12#define __HAVE_ARCH_MEMSET16
     13#endif
     14
     15#define __HAVE_ARCH_MEMSET
     16#define __HAVE_ARCH_MEMCPY
     17#define __HAVE_ARCH_MEMMOVE
     18#define __HAVE_ARCH_MEMCPY_FLUSHCACHE
     19
     20extern char * strcpy(char *,const char *);
     21extern char * strncpy(char *,const char *, __kernel_size_t);
     22extern __kernel_size_t strlen(const char *);
     23extern int strcmp(const char *,const char *);
     24extern int strncmp(const char *, const char *, __kernel_size_t);
     25extern char * strcat(char *, const char *);
     26extern void * memset(void *,int,__kernel_size_t);
     27extern void * memcpy(void *,const void *,__kernel_size_t);
     28extern void * memmove(void *,const void *,__kernel_size_t);
     29extern int memcmp(const void *,const void *,__kernel_size_t);
     30extern void * memchr(const void *,int,__kernel_size_t);
     31void memcpy_flushcache(void *dest, const void *src, size_t size);
     32
     33void *__memset(void *s, int c, __kernel_size_t count);
     34void *__memcpy(void *to, const void *from, __kernel_size_t n);
     35void *__memmove(void *to, const void *from, __kernel_size_t n);
     36
     37#if defined(CONFIG_KASAN) && !defined(__SANITIZE_ADDRESS__)
     38/*
     39 * For files that are not instrumented (e.g. mm/slub.c) we
     40 * should use not instrumented version of mem* functions.
     41 */
     42#define memcpy(dst, src, len) __memcpy(dst, src, len)
     43#define memmove(dst, src, len) __memmove(dst, src, len)
     44#define memset(s, c, n) __memset(s, c, n)
     45
     46#ifndef __NO_FORTIFY
     47#define __NO_FORTIFY /* FORTIFY_SOURCE uses __builtin_memcpy, etc. */
     48#endif
     49
     50#endif
     51
     52#ifdef CONFIG_PPC64
     53#ifndef CONFIG_KASAN
     54#define __HAVE_ARCH_MEMSET32
     55#define __HAVE_ARCH_MEMSET64
     56
     57extern void *__memset16(uint16_t *, uint16_t v, __kernel_size_t);
     58extern void *__memset32(uint32_t *, uint32_t v, __kernel_size_t);
     59extern void *__memset64(uint64_t *, uint64_t v, __kernel_size_t);
     60
     61static inline void *memset16(uint16_t *p, uint16_t v, __kernel_size_t n)
     62{
     63	return __memset16(p, v, n * 2);
     64}
     65
     66static inline void *memset32(uint32_t *p, uint32_t v, __kernel_size_t n)
     67{
     68	return __memset32(p, v, n * 4);
     69}
     70
     71static inline void *memset64(uint64_t *p, uint64_t v, __kernel_size_t n)
     72{
     73	return __memset64(p, v, n * 8);
     74}
     75#endif
     76#else
     77#ifndef CONFIG_KASAN
     78#define __HAVE_ARCH_STRLEN
     79#endif
     80
     81extern void *memset16(uint16_t *, uint16_t, __kernel_size_t);
     82#endif
     83#endif /* __KERNEL__ */
     84
     85#endif	/* _ASM_POWERPC_STRING_H */