blob: ed74c272b8c507b99e234369a81bf047a7ab9fc9 [file] [log] [blame]
Mike Frysinger37566092009-07-02 19:23:25 -04001/*
2 * Keep all the ugly #ifdef for system stuff here
3 */
4
5#ifndef __COMPILER_H__
6#define __COMPILER_H__
7
8#include <stddef.h>
9
10#ifdef USE_HOSTCC
11
12#if defined(__BEOS__) || \
13 defined(__NetBSD__) || \
14 defined(__FreeBSD__) || \
15 defined(__sun__) || \
16 defined(__APPLE__)
17# include <inttypes.h>
Jonathan Gray3715a542016-09-03 08:26:55 +100018#elif defined(__linux__) || defined(__WIN32__) || defined(__MINGW32__) || defined(__OpenBSD__)
Mike Frysinger37566092009-07-02 19:23:25 -040019# include <stdint.h>
20#endif
21
22#include <errno.h>
23#include <stdlib.h>
24#include <stdint.h>
25#include <stdio.h>
26#include <string.h>
27
Mike Frysinger37566092009-07-02 19:23:25 -040028#if !defined(__WIN32__) && !defined(__MINGW32__)
29# include <sys/mman.h>
30#endif
31
32/* Not all systems (like Windows) has this define, and yes
33 * we do replace/emulate mmap() on those systems ...
34 */
35#ifndef MAP_FAILED
36# define MAP_FAILED ((void *)-1)
37#endif
38
39#include <fcntl.h>
40#ifndef O_BINARY /* should be define'd on __WIN32__ */
41#define O_BINARY 0
42#endif
43
44#ifdef __linux__
45# include <endian.h>
46# include <byteswap.h>
Jeroen Hofstee5bce5dc2011-07-19 10:41:48 +000047#elif defined(__MACH__) || defined(__FreeBSD__)
Mike Frysinger37566092009-07-02 19:23:25 -040048# include <machine/endian.h>
Mike Frysinger37566092009-07-02 19:23:25 -040049#endif
Jeroen Hofsteeed8271d2014-10-07 22:42:27 +020050#ifdef __FreeBSD__
51# include <sys/endian.h> /* htole32 and friends */
Justin Hibbitsf29aa232018-01-29 22:23:36 -060052# define __BYTE_ORDER BYTE_ORDER
53# define __LITTLE_ENDIAN LITTLE_ENDIAN
54# define __BIG_ENDIAN BIG_ENDIAN
Jonathan Gray3715a542016-09-03 08:26:55 +100055#elif defined(__OpenBSD__)
56# include <endian.h>
Jonathan Grayfd184b92016-11-26 15:18:00 +110057# define __BYTE_ORDER BYTE_ORDER
58# define __LITTLE_ENDIAN LITTLE_ENDIAN
59# define __BIG_ENDIAN BIG_ENDIAN
Jeroen Hofsteeed8271d2014-10-07 22:42:27 +020060#endif
61
Jeroen Hofstee9d16e932014-06-25 23:02:21 +020062#include <time.h>
Mike Frysinger37566092009-07-02 19:23:25 -040063
64typedef uint8_t __u8;
65typedef uint16_t __u16;
66typedef uint32_t __u32;
Mike Frysingerb050c722010-04-20 05:49:30 -040067typedef unsigned int uint;
Sergei Trofimovichd11fa9c2019-12-30 15:53:41 +000068typedef unsigned long ulong;
Mike Frysinger37566092009-07-02 19:23:25 -040069
70#define uswap_16(x) \
71 ((((x) & 0xff00) >> 8) | \
72 (((x) & 0x00ff) << 8))
73#define uswap_32(x) \
74 ((((x) & 0xff000000) >> 24) | \
75 (((x) & 0x00ff0000) >> 8) | \
76 (((x) & 0x0000ff00) << 8) | \
77 (((x) & 0x000000ff) << 24))
78#define _uswap_64(x, sfx) \
79 ((((x) & 0xff00000000000000##sfx) >> 56) | \
80 (((x) & 0x00ff000000000000##sfx) >> 40) | \
81 (((x) & 0x0000ff0000000000##sfx) >> 24) | \
82 (((x) & 0x000000ff00000000##sfx) >> 8) | \
83 (((x) & 0x00000000ff000000##sfx) << 8) | \
84 (((x) & 0x0000000000ff0000##sfx) << 24) | \
85 (((x) & 0x000000000000ff00##sfx) << 40) | \
86 (((x) & 0x00000000000000ff##sfx) << 56))
87#if defined(__GNUC__)
88# define uswap_64(x) _uswap_64(x, ull)
89#else
90# define uswap_64(x) _uswap_64(x, )
91#endif
92
Jonathan Grayfd184b92016-11-26 15:18:00 +110093#if __BYTE_ORDER == __LITTLE_ENDIAN
Mike Frysinger37566092009-07-02 19:23:25 -040094# define cpu_to_le16(x) (x)
95# define cpu_to_le32(x) (x)
96# define cpu_to_le64(x) (x)
97# define le16_to_cpu(x) (x)
98# define le32_to_cpu(x) (x)
99# define le64_to_cpu(x) (x)
100# define cpu_to_be16(x) uswap_16(x)
101# define cpu_to_be32(x) uswap_32(x)
102# define cpu_to_be64(x) uswap_64(x)
103# define be16_to_cpu(x) uswap_16(x)
104# define be32_to_cpu(x) uswap_32(x)
105# define be64_to_cpu(x) uswap_64(x)
106#else
107# define cpu_to_le16(x) uswap_16(x)
108# define cpu_to_le32(x) uswap_32(x)
109# define cpu_to_le64(x) uswap_64(x)
110# define le16_to_cpu(x) uswap_16(x)
111# define le32_to_cpu(x) uswap_32(x)
112# define le64_to_cpu(x) uswap_64(x)
113# define cpu_to_be16(x) (x)
114# define cpu_to_be32(x) (x)
115# define cpu_to_be64(x) (x)
116# define be16_to_cpu(x) (x)
117# define be32_to_cpu(x) (x)
118# define be64_to_cpu(x) (x)
119#endif
120
121#else /* !USE_HOSTCC */
122
York Sun2e680f92015-12-16 14:12:24 +0800123/* Type for `void *' pointers. */
124typedef unsigned long int uintptr_t;
Gabe Black0d296cc2014-10-15 04:38:30 -0600125
Mike Frysinger37566092009-07-02 19:23:25 -0400126#include <linux/string.h>
127#include <linux/types.h>
128#include <asm/byteorder.h>
129
Simon Glassa7551a32011-09-23 06:22:06 +0000130#if __SIZEOF_LONG__ == 8
131# define __WORDSIZE 64
132#elif __SIZEOF_LONG__ == 4
133# define __WORDSIZE 32
134#else
135/*
136 * Assume 32-bit for now - only newer toolchains support this feature and
137 * this is only required for sandbox support at present.
138 */
139#define __WORDSIZE 32
140#endif
141
Simon Glassc9502f42011-11-04 06:42:35 +0000142#endif /* USE_HOSTCC */
Mike Frysinger37566092009-07-02 19:23:25 -0400143
Matthias Kaehlckeb63815e2009-12-22 23:05:45 +0100144#define likely(x) __builtin_expect(!!(x), 1)
145#define unlikely(x) __builtin_expect(!!(x), 0)
146
Simon Glass4d979bf2019-12-28 10:45:10 -0700147#ifdef __LP64__
148#define MEM_SUPPORT_64BIT_DATA
149#endif
150
Mike Frysinger37566092009-07-02 19:23:25 -0400151#endif