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/* SPDX-License-Identifier: GPL-2.0 */
/*
* Copyright (C) 2015-2019 Jason A. Donenfeld <Jason@zx2c4.com>. All Rights Reserved.
*/
#ifndef _WG_COMPATASM_H
#define _WG_COMPATASM_H
#include <linux/linkage.h>
#include <linux/kconfig.h>
#include <linux/version.h>
#ifdef RHEL_MAJOR
#if RHEL_MAJOR == 7
#define ISRHEL7
#elif RHEL_MAJOR == 8
#define ISRHEL8
#endif
#endif
/* PaX compatibility */
#if defined(RAP_PLUGIN) && defined(RAP_ENTRY)
#undef ENTRY
#define ENTRY RAP_ENTRY
#endif
#if defined(__LINUX_ARM_ARCH__) && LINUX_VERSION_CODE < KERNEL_VERSION(3, 17, 0)
.irp c,,eq,ne,cs,cc,mi,pl,vs,vc,hi,ls,ge,lt,gt,le,hs,lo
.macro ret\c, reg
#if __LINUX_ARM_ARCH__ < 6
mov\c pc, \reg
#else
.ifeqs "\reg", "lr"
bx\c \reg
.else
mov\c pc, \reg
.endif
#endif
.endm
.endr
#endif
#if defined(__LINUX_ARM_ARCH__) && LINUX_VERSION_CODE < KERNEL_VERSION(3, 15, 0)
#include <asm/assembler.h>
#define lspush push
#define lspull pull
#undef push
#undef pull
#endif
#if LINUX_VERSION_CODE < KERNEL_VERSION(5, 4, 76) && !defined(ISRHEL8) && !defined(SYM_FUNC_START)
#define SYM_FUNC_START ENTRY
#define SYM_FUNC_END ENDPROC
#endif
#if LINUX_VERSION_CODE >= KERNEL_VERSION(5, 5, 0)
#define blake2s_compress_ssse3 zinc_blake2s_compress_ssse3
#define blake2s_compress_avx512 zinc_blake2s_compress_avx512
#define poly1305_init_arm zinc_poly1305_init_arm
#define poly1305_blocks_arm zinc_poly1305_blocks_arm
#define poly1305_emit_arm zinc_poly1305_emit_arm
#define poly1305_blocks_neon zinc_poly1305_blocks_neon
#define poly1305_emit_neon zinc_poly1305_emit_neon
#define poly1305_init_mips zinc_poly1305_init_mips
#define poly1305_blocks_mips zinc_poly1305_blocks_mips
#define poly1305_emit_mips zinc_poly1305_emit_mips
#define poly1305_init_x86_64 zinc_poly1305_init_x86_64
#define poly1305_blocks_x86_64 zinc_poly1305_blocks_x86_64
#define poly1305_emit_x86_64 zinc_poly1305_emit_x86_64
#define poly1305_emit_avx zinc_poly1305_emit_avx
#define poly1305_blocks_avx zinc_poly1305_blocks_avx
#define poly1305_blocks_avx2 zinc_poly1305_blocks_avx2
#define poly1305_blocks_avx512 zinc_poly1305_blocks_avx512
#define curve25519_neon zinc_curve25519_neon
#define hchacha20_ssse3 zinc_hchacha20_ssse3
#define chacha20_ssse3 zinc_chacha20_ssse3
#define chacha20_avx2 zinc_chacha20_avx2
#define chacha20_avx512 zinc_chacha20_avx512
#define chacha20_avx512vl zinc_chacha20_avx512vl
#define chacha20_mips zinc_chacha20_mips
#define chacha20_arm zinc_chacha20_arm
#define hchacha20_arm zinc_hchacha20_arm
#define chacha20_neon zinc_chacha20_neon
#endif
#endif /* _WG_COMPATASM_H */
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