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/* riscv_functions.h -- RISCV implementations for arch-specific functions.
*
* Copyright (C) 2023 SiFive, Inc. All rights reserved.
* Contributed by Alex Chiang <alex.chiang@sifive.com>
*
* For conditions of distribution and use, see copyright notice in zlib.h
*/
#ifndef RISCV_FUNCTIONS_H_
#define RISCV_FUNCTIONS_H_
#include "riscv_natives.h"
#ifdef RISCV_RVV
uint32_t adler32_rvv(uint32_t adler, const uint8_t *buf, size_t len);
uint32_t adler32_copy_rvv(uint32_t adler, uint8_t *dst, const uint8_t *src, size_t len);
uint8_t* chunkmemset_safe_rvv(uint8_t *out, uint8_t *from, size_t len, size_t left);
uint32_t compare256_rvv(const uint8_t *src0, const uint8_t *src1);
uint32_t longest_match_rvv(deflate_state *const s, uint32_t cur_match);
uint32_t longest_match_slow_rvv(deflate_state *const s, uint32_t cur_match);
void slide_hash_rvv(deflate_state *s);
void inflate_fast_rvv(PREFIX3(stream) *strm, uint32_t start);
#endif
#ifdef RISCV_CRC32_ZBC
uint32_t crc32_riscv64_zbc(uint32_t crc, const uint8_t *buf, size_t len);
uint32_t crc32_copy_riscv64_zbc(uint32_t crc, uint8_t *dst, const uint8_t *src, size_t len);
#endif
#ifdef DISABLE_RUNTIME_CPU_DETECTION
// RISCV - RVV
# ifdef RISCV_RVV_NATIVE
# undef native_adler32
# define native_adler32 adler32_rvv
# undef native_adler32_copy
# define native_adler32_copy adler32_copy_rvv
# undef native_chunkmemset_safe
# define native_chunkmemset_safe chunkmemset_safe_rvv
# undef native_compare256
# define native_compare256 compare256_rvv
# undef native_inflate_fast
# define native_inflate_fast inflate_fast_rvv
# undef native_longest_match
# define native_longest_match longest_match_rvv
# undef native_longest_match_slow
# define native_longest_match_slow longest_match_slow_rvv
# undef native_slide_hash
# define native_slide_hash slide_hash_rvv
# endif
// RISCV - CRC32
# ifdef RISCV_ZBC_NATIVE
# undef native_crc32
# define native_crc32 crc32_riscv64_zbc
# undef native_crc32_copy
# define native_crc32_copy crc32_copy_riscv64_zbc
# endif
#endif
#endif /* RISCV_FUNCTIONS_H_ */
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