2 * Copyright (c) 2015 Cisco and/or its affiliates.
3 * Licensed under the Apache License, Version 2.0 (the "License");
4 * you may not use this file except in compliance with the License.
5 * You may obtain a copy of the License at:
7 * http://www.apache.org/licenses/LICENSE-2.0
9 * Unless required by applicable law or agreed to in writing, software
10 * distributed under the License is distributed on an "AS IS" BASIS,
11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 * See the License for the specific language governing permissions and
13 * limitations under the License.
16 Copyright (c) 2001-2005 Eliot Dresselhaus
18 Permission is hereby granted, free of charge, to any person obtaining
19 a copy of this software and associated documentation files (the
20 "Software"), to deal in the Software without restriction, including
21 without limitation the rights to use, copy, modify, merge, publish,
22 distribute, sublicense, and/or sell copies of the Software, and to
23 permit persons to whom the Software is furnished to do so, subject to
24 the following conditions:
26 The above copyright notice and this permission notice shall be
27 included in all copies or substantial portions of the Software.
29 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
30 EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
31 MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
32 NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
33 LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
34 OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
35 WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
38 #ifndef included_clib_types_h
39 #define included_clib_types_h
41 /* Standard CLIB types. */
43 /* Define signed and unsigned 8, 16, 32, and 64 bit types
44 and machine signed/unsigned word for all architectures. */
48 /* Avoid conflicts with Linux asm/types.h when __KERNEL__ */
49 #if defined(CLIB_LINUX_KERNEL)
50 /* Linux also defines u8/u16/u32/u64 types. */
51 #include <asm/types.h>
52 #define CLIB_AVOID_CLASH_WITH_LINUX_TYPES
54 #else /* ! CLIB_LINUX_KERNEL */
56 typedef unsigned char u8;
57 typedef unsigned short u16;
58 #endif /* ! CLIB_LINUX_KERNEL */
60 #if defined (__x86_64__)
62 typedef int i128 __attribute__ ((mode (TI)));
63 typedef unsigned int u128 __attribute__ ((mode (TI)));
67 #if (defined(i386) || defined(_mips) || defined(powerpc) || defined (__SPU__) || defined(__sparc__) || defined(__arm__) || defined (__xtensa__) || defined(__TMS320C6X__))
69 typedef long long i64;
71 #ifndef CLIB_AVOID_CLASH_WITH_LINUX_TYPES
72 typedef unsigned int u32;
73 typedef unsigned long long u64;
74 #endif /* CLIB_AVOID_CLASH_WITH_LINUX_TYPES */
76 #elif defined(_mips) && __mips == 64
77 #define log2_uword_bits 6
78 #define clib_address_bits _MIPS_SZPTR
80 #elif defined(alpha) || defined(__x86_64__) || defined (__powerpc64__) || defined (__aarch64__)
84 #define log2_uword_bits 6
85 #define clib_address_bits 64
87 #ifndef CLIB_AVOID_CLASH_WITH_LINUX_TYPES
88 typedef unsigned int u32;
89 typedef unsigned long u64;
90 #endif /* CLIB_AVOID_CLASH_WITH_LINUX_TYPES */
93 #error "can't define types"
96 /* Default to 32 bit machines with 32 bit addresses. */
97 #ifndef log2_uword_bits
98 #define log2_uword_bits 5
101 /* #ifdef's above define log2_uword_bits. */
102 #define uword_bits (1 << log2_uword_bits)
104 #ifndef clib_address_bits
105 #define clib_address_bits 32
110 /* 64 bit word machines. */
114 /* 32 bit word machines. */
119 /* integral type of a pointer (used to cast pointers). */
120 #if clib_address_bits == 64
121 typedef u64 clib_address_t;
123 typedef u32 clib_address_t;
126 /* These are needed to convert between pointers and machine words.
127 MIPS is currently the only machine that can have different sized
128 pointers and machine words (but only when compiling with 64 bit
129 registers and 32 bit pointers). */
130 static inline __attribute__ ((always_inline)) uword
131 pointer_to_uword (const void *p)
133 return (uword) (clib_address_t) p;
136 #define uword_to_pointer(u,type) ((type) (clib_address_t) (u))
138 /* Any type: can be either word or pointer. */
141 /* Floating point types. */
145 typedef __complex__ float cf32;
146 typedef __complex__ double cf64;
148 /* Floating point word size. */
151 /* Can be used as either {r,l}value, e.g. these both work
152 clib_mem_unaligned (p, u64) = 99
153 clib_mem_unaligned (p, u64) += 99 */
155 #define clib_mem_unaligned(pointer,type) \
156 (((struct { CLIB_PACKED (type _data); } *) (pointer))->_data)
158 /* Access memory with specified alignment depending on align argument.
159 As with clib_mem_unaligned, may be used as {r,l}value. */
160 #define clib_mem_aligned(addr,type,align) \
163 __attribute__ ((aligned (align), packed)); \
166 #endif /* included_clib_types_h */
169 * fd.io coding-style-patch-verification: ON
172 * eval: (c-set-style "gnu")