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