1 /* SPDX-License-Identifier: GPL-2.0 */ 2 #ifndef __XZ_CONFIG_H__ 3 #define __XZ_CONFIG_H__ 4 5 /* 6 * most of this is copied from lib/xz/xz_private.h, we can't use their defines 7 * since the boot wrapper is not built in the same environment as the rest of 8 * the kernel. 9 */ 10 11 #include "types.h" 12 #include "swab.h" 13 14 static inline uint32_t swab32p(void *p) 15 { 16 uint32_t *q = p; 17 18 return swab32(*q); 19 } 20 21 #ifdef __LITTLE_ENDIAN__ 22 #define get_le32(p) (*((uint32_t *) (p))) 23 #else 24 #define get_le32(p) swab32p(p) 25 #endif 26 27 #define memeq(a, b, size) (memcmp(a, b, size) == 0) 28 #define memzero(buf, size) memset(buf, 0, size) 29 30 /* prevent the inclusion of the xz-preboot MM headers */ 31 #define DECOMPR_MM_H 32 #define memmove memmove 33 #define XZ_EXTERN static 34 35 /* xz.h needs to be included directly since we need enum xz_mode */ 36 #include "../../../include/linux/xz.h" 37 38 #undef XZ_EXTERN 39 40 #endif 41