xref: /openbsd-src/lib/libcrypto/arch/arm/arm_arch.h (revision d45a68f6d63425963cefc3360156e20f9de2ceaa)
1*d45a68f6Stb /* $OpenBSD: arm_arch.h,v 1.1 2022/03/23 15:13:31 tb Exp $ */
2*d45a68f6Stb #ifndef __ARM_ARCH_H__
3*d45a68f6Stb #define __ARM_ARCH_H__
4*d45a68f6Stb 
5*d45a68f6Stb #if !defined(__ARM_ARCH__)
6*d45a68f6Stb # if defined(__CC_ARM)
7*d45a68f6Stb #  define __ARM_ARCH__ __TARGET_ARCH_ARM
8*d45a68f6Stb #  if defined(__BIG_ENDIAN)
9*d45a68f6Stb #   define __ARMEB__
10*d45a68f6Stb #  else
11*d45a68f6Stb #   define __ARMEL__
12*d45a68f6Stb #  endif
13*d45a68f6Stb # elif defined(__GNUC__)
14*d45a68f6Stb   /*
15*d45a68f6Stb    * Why doesn't gcc define __ARM_ARCH__? Instead it defines
16*d45a68f6Stb    * bunch of below macros. See all_architectures[] table in
17*d45a68f6Stb    * gcc/config/arm/arm.c. On a side note it defines
18*d45a68f6Stb    * __ARMEL__/__ARMEB__ for little-/big-endian.
19*d45a68f6Stb    */
20*d45a68f6Stb #  if	defined(__ARM_ARCH)
21*d45a68f6Stb #   define __ARM_ARCH__ __ARM_ARCH
22*d45a68f6Stb #  elif	defined(__ARM_ARCH_8A__)
23*d45a68f6Stb #   define __ARM_ARCH__ 8
24*d45a68f6Stb #  elif	defined(__ARM_ARCH_7__)	|| defined(__ARM_ARCH_7A__)	|| \
25*d45a68f6Stb 	defined(__ARM_ARCH_7R__)|| defined(__ARM_ARCH_7M__)	|| \
26*d45a68f6Stb 	defined(__ARM_ARCH_7EM__)
27*d45a68f6Stb #   define __ARM_ARCH__ 7
28*d45a68f6Stb #  elif	defined(__ARM_ARCH_6__)	|| defined(__ARM_ARCH_6J__)	|| \
29*d45a68f6Stb 	defined(__ARM_ARCH_6K__)|| defined(__ARM_ARCH_6M__)	|| \
30*d45a68f6Stb 	defined(__ARM_ARCH_6Z__)|| defined(__ARM_ARCH_6ZK__)	|| \
31*d45a68f6Stb 	defined(__ARM_ARCH_6T2__)
32*d45a68f6Stb #   define __ARM_ARCH__ 6
33*d45a68f6Stb #  elif	defined(__ARM_ARCH_5__)	|| defined(__ARM_ARCH_5T__)	|| \
34*d45a68f6Stb 	defined(__ARM_ARCH_5E__)|| defined(__ARM_ARCH_5TE__)	|| \
35*d45a68f6Stb 	defined(__ARM_ARCH_5TEJ__)
36*d45a68f6Stb #   define __ARM_ARCH__ 5
37*d45a68f6Stb #  elif	defined(__ARM_ARCH_4__)	|| defined(__ARM_ARCH_4T__)
38*d45a68f6Stb #   define __ARM_ARCH__ 4
39*d45a68f6Stb #  else
40*d45a68f6Stb #   error "unsupported ARM architecture"
41*d45a68f6Stb #  endif
42*d45a68f6Stb # endif
43*d45a68f6Stb #endif
44*d45a68f6Stb 
45*d45a68f6Stb #if !defined(__ASSEMBLER__)
46*d45a68f6Stb extern unsigned int OPENSSL_armcap_P;
47*d45a68f6Stb 
48*d45a68f6Stb #define ARMV7_NEON	(1<<0)
49*d45a68f6Stb #define ARMV8_AES	(1<<1)
50*d45a68f6Stb #define ARMV8_SHA1	(1<<2)
51*d45a68f6Stb #define ARMV8_SHA256	(1<<3)
52*d45a68f6Stb #define ARMV8_PMULL	(1<<4)
53*d45a68f6Stb #endif
54*d45a68f6Stb 
55*d45a68f6Stb #if defined(__OpenBSD__)
56*d45a68f6Stb #define __STRICT_ALIGNMENT
57*d45a68f6Stb #endif
58*d45a68f6Stb 
59*d45a68f6Stb #endif
60