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60 lines
1.2 KiB
60 lines
1.2 KiB
/* SPDX-License-Identifier: GPL-2.0 */ |
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#ifndef __XZ_CONFIG_H__ |
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#define __XZ_CONFIG_H__ |
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/* |
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* most of this is copied from lib/xz/xz_private.h, we can't use their defines |
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* since the boot wrapper is not built in the same environment as the rest of |
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* the kernel. |
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*/ |
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#include "types.h" |
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#include "swab.h" |
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static inline uint32_t swab32p(void *p) |
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{ |
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uint32_t *q = p; |
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return swab32(*q); |
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} |
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#ifdef __LITTLE_ENDIAN__ |
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#define get_le32(p) (*((uint32_t *) (p))) |
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#define cpu_to_be32(x) swab32(x) |
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static inline u32 be32_to_cpup(const u32 *p) |
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{ |
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return swab32p((u32 *)p); |
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} |
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#else |
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#define get_le32(p) swab32p(p) |
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#define cpu_to_be32(x) (x) |
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static inline u32 be32_to_cpup(const u32 *p) |
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{ |
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return *p; |
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} |
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#endif |
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static inline uint32_t get_unaligned_be32(const void *p) |
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{ |
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return be32_to_cpup(p); |
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} |
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static inline void put_unaligned_be32(u32 val, void *p) |
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{ |
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*((u32 *)p) = cpu_to_be32(val); |
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} |
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#define memeq(a, b, size) (memcmp(a, b, size) == 0) |
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#define memzero(buf, size) memset(buf, 0, size) |
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/* prevent the inclusion of the xz-preboot MM headers */ |
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#define DECOMPR_MM_H |
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#define memmove memmove |
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#define XZ_EXTERN static |
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/* xz.h needs to be included directly since we need enum xz_mode */ |
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#include "../../../include/linux/xz.h" |
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#undef XZ_EXTERN |
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#endif
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