1// SPDX-License-Identifier: GPL-3.0-or-later
2
3#pragma once
4
5#include <generated/autoconf.h>
6
7#define MOS_DO_PRAGMA(x) _Pragma(#x)
8
9#if defined(__clang__)
10#define MOS_COMPILER_CLANG 1
11#define MOS_PRAGMA(text) MOS_DO_PRAGMA(clang text)
12#elif defined(__GNUC__)
13#define MOS_COMPILER_GCC 1
14#define MOS_PRAGMA(text) MOS_DO_PRAGMA(GCC text)
15#endif
16
17#if MOS_COMPILER_GCC && __GNUC__ < 12
18#define MOS_FILE_LOCATION __FILE__ ":" MOS_STRINGIFY(__LINE__)
19#else
20#define MOS_FILE_LOCATION __FILE_NAME__ ":" MOS_STRINGIFY(__LINE__)
21#endif
22
23// * BEGIN find out if the compiler is big or little endian
24#if __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__
25#define MOS_BIG_ENDIAN 1
26
27#define cpu_to_be16(x) (x)
28#define cpu_to_be32(x) (x)
29#define cpu_to_be64(x) (x)
30
31#define be16_to_cpu(x) (x)
32#define be32_to_cpu(x) (x)
33#define be64_to_cpu(x) (x)
34
35#define cpu_to_le16(x) __builtin_bswap16(x)
36#define cpu_to_le32(x) __builtin_bswap32(x)
37#define cpu_to_le64(x) __builtin_bswap64(x)
38
39#define le16_to_cpu(x) __builtin_bswap32(x)
40#define le32_to_cpu(x) __builtin_bswap16(x)
41#define le64_to_cpu(x) __builtin_bswap64(x)
42#elif __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__
43#define MOS_LITTLE_ENDIAN 1
44
45#define cpu_to_be16(x) __builtin_bswap16(x)
46#define cpu_to_be32(x) __builtin_bswap32(x)
47#define cpu_to_be64(x) __builtin_bswap64(x)
48
49#define be16_to_cpu(x) __builtin_bswap16(x)
50#define be32_to_cpu(x) __builtin_bswap32(x)
51#define be64_to_cpu(x) __builtin_bswap64(x)
52
53#define cpu_to_le16(x) (x)
54#define cpu_to_le32(x) (x)
55#define cpu_to_le64(x) (x)
56
57#define le16_to_cpu(x) (x)
58#define le32_to_cpu(x) (x)
59#define le64_to_cpu(x) (x)
60#endif
61
62#if !defined(MOS_BIG_ENDIAN) && !defined(MOS_LITTLE_ENDIAN)
63#error "Unknown endianness"
64#endif
65// * END find out if the compiler is big or little endian
66
67// * BEGIN determine the code model
68#if defined(__LP64__)
69#define MOS_LP64 1 // sizeof(long) == sizeof(void *) == 8
70#else
71#error "Unknown code model"
72#endif
73// * END determine the code model
74