urcu/compiler: Add urcu_static_assert
[urcu.git] / include / urcu / arch.h
CommitLineData
d3d3857f
MJ
1// SPDX-FileCopyrightText: 2020 Michael Jeanson <mjeanson@efficios.com>
2//
3// SPDX-License-Identifier: LGPL-2.1-or-later
0b1e236d
MJ
4
5#ifndef _URCU_ARCH_H
6#define _URCU_ARCH_H
7
8/*
9 * Architecture detection using compiler defines.
10 *
11 * The following defines are used internally for architecture specific code.
12 *
13 * URCU_ARCH_X86 : All x86 variants 32 and 64 bits
14 * URCU_ARCH_I386 : Specific to the i386
15 * URCU_ARCH_AMD64 : All 64 bits x86 variants
16 * URCU_ARCH_K1OM : Specific to the Xeon Phi / MIC
17 *
18 * URCU_ARCH_PPC : All PowerPC variants 32 and 64 bits
19 * URCU_ARCH_PPC64 : Specific to 64 bits variants
20 *
21 * URCU_ARCH_S390 : All IBM s390 / s390x variants
22 *
23 * URCU_ARCH_SPARC64 : All Sun SPARC variants
24 *
25 * URCU_ARCH_ALPHA : All DEC Alpha variants
26 * URCU_ARCH_IA64 : All Intel Itanium variants
27 * URCU_ARCH_ARM : All ARM 32 bits variants
9260f372 28 * URCU_ARCH_ARMV7 : All ARMv7 ISA variants
0b1e236d
MJ
29 * URCU_ARCH_AARCH64 : All ARM 64 bits variants
30 * URCU_ARCH_MIPS : All MIPS variants
31 * URCU_ARCH_NIOS2 : All Intel / Altera NIOS II variants
32 * URCU_ARCH_TILE : All Tilera TILE variants
33 * URCU_ARCH_HPPA : All HP PA-RISC variants
34 * URCU_ARCH_M68K : All Motorola 68000 variants
35 * URCU_ARCH_RISCV : All RISC-V variants
36 */
c966839e
MJ
37
38#if (defined(__INTEL_OFFLOAD) || defined(__TARGET_ARCH_MIC) || defined(__MIC__))
0b1e236d
MJ
39
40#define URCU_ARCH_X86 1
c966839e
MJ
41#define URCU_ARCH_AMD64 1
42#define URCU_ARCH_K1OM 1
0b1e236d
MJ
43#include <urcu/arch/x86.h>
44
c966839e 45#elif (defined(__amd64__) || defined(__amd64) || defined(__x86_64__) || defined(__x86_64))
0b1e236d
MJ
46
47#define URCU_ARCH_X86 1
c966839e 48#define URCU_ARCH_AMD64 1
0b1e236d
MJ
49#include <urcu/arch/x86.h>
50
5ee14170 51#elif (defined(__i386__) || defined(__i386))
0b1e236d
MJ
52
53#define URCU_ARCH_X86 1
0b1e236d 54
101389e4
MJ
55/*
56 * URCU_ARCH_X86_NO_CAS enables a compat layer that will detect the presence of
57 * the cmpxchg instructions at runtime and provide a compat mode based on a
58 * pthread mutex when it isn't.
59 *
60 * __GCC_HAVE_SYNC_COMPARE_AND_SWAP_4 was introduced in GCC 4.3 and Clang 3.3,
61 * building with older compilers will result in the compat layer always being
62 * used on x86-32.
63 */
64#ifndef __GCC_HAVE_SYNC_COMPARE_AND_SWAP_4
65#define URCU_ARCH_X86_NO_CAS 1
66/* For backwards compat */
c966839e 67#define URCU_ARCH_I386 1
101389e4
MJ
68#endif
69
0b1e236d
MJ
70#include <urcu/arch/x86.h>
71
c966839e 72#elif (defined(__powerpc64__) || defined(__ppc64__))
0b1e236d
MJ
73
74#define URCU_ARCH_PPC 1
c966839e 75#define URCU_ARCH_PPC64 1
0b1e236d
MJ
76#include <urcu/arch/ppc.h>
77
c966839e 78#elif (defined(__powerpc__) || defined(__powerpc) || defined(__ppc__))
0b1e236d
MJ
79
80#define URCU_ARCH_PPC 1
0b1e236d
MJ
81#include <urcu/arch/ppc.h>
82
83#elif (defined(__s390__) || defined(__s390x__) || defined(__zarch__))
84
85#define URCU_ARCH_S390 1
86#include <urcu/arch/s390.h>
87
88#elif (defined(__sparc__) || defined(__sparc) || defined(__sparc64__))
89
90#define URCU_ARCH_SPARC64 1
91#include <urcu/arch/sparc64.h>
92
93#elif (defined(__alpha__) || defined(__alpha))
94
95#define URCU_ARCH_ALPHA 1
96#include <urcu/arch/alpha.h>
97
98#elif (defined(__ia64__) || defined(__ia64))
99
100#define URCU_ARCH_IA64 1
101#include <urcu/arch/ia64.h>
102
9260f372
MJ
103#elif (defined(__ARM_ARCH_7A__) || defined(__ARM_ARCH_7__))
104
105#define URCU_ARCH_ARMV7 1
106#define URCU_ARCH_ARM 1
107#include <urcu/arch/arm.h>
108
0b1e236d
MJ
109#elif (defined(__arm__) || defined(__arm))
110
111#define URCU_ARCH_ARM 1
112#include <urcu/arch/arm.h>
113
114#elif defined(__aarch64__)
115
116#define URCU_ARCH_AARCH64 1
117#include <urcu/arch/aarch64.h>
118
119#elif (defined(__mips__) || defined(__mips))
120
121#define URCU_ARCH_MIPS 1
122#include <urcu/arch/mips.h>
123
124#elif (defined(__nios2__) || defined(__nios2))
125
126#define URCU_ARCH_NIOS2 1
127#include <urcu/arch/nios2.h>
128
129#elif defined(__tilegx__)
130/*
131 * URCU has only been tested on the TileGx architecture. For other Tile*
132 * architectures, please run the tests first and report the results to the
133 * maintainer so that proper support can be added.
134 */
135
136#define URCU_ARCH_TILE 1
137#include <urcu/arch/tile.h>
138
139#elif (defined(__hppa__) || defined(__HPPA__) || defined(__hppa))
140
141#define URCU_ARCH_HPPA 1
142#include <urcu/arch/hppa.h>
143
144#elif defined(__m68k__)
145
146#define URCU_ARCH_M68K 1
147#include <urcu/arch/m68k.h>
148
149#elif defined(__riscv)
150
151#define URCU_ARCH_RISCV 1
152#include <urcu/arch/riscv.h>
153
154#else
155#error "Cannot build: unrecognized architecture, see <urcu/arch.h>."
156#endif
157
0e2125fb
OD
158#ifdef CONFIG_RCU_EMIT_LEGACY_MB
159# define cmm_emit_legacy_smp_mb() cmm_smp_mb()
160#else
161# define cmm_emit_legacy_smp_mb() do { } while (0)
162#endif
163
0b1e236d
MJ
164
165#endif /* _URCU_ARCH_H */
This page took 0.039293 seconds and 4 git commands to generate.