diff options
| author | Richard Henderson <richard.henderson@linaro.org> | 2023-05-18 03:50:45 +0000 |
|---|---|---|
| committer | Richard Henderson <richard.henderson@linaro.org> | 2023-05-23 16:51:18 -0700 |
| commit | 0dd0c7fa2055d5f95413b510386753bb00d61202 (patch) | |
| tree | f31d85057cfa62ac232f70f9984aca4e3061a752 /host/include | |
| parent | b5c0d842d6ea6456bdabfdff5ce853be296cf234 (diff) | |
util: Add cpuinfo-aarch64.c
Move the code from tcg/. The only use of these bits so far
is with respect to the atomicity of tcg operations.
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Diffstat (limited to 'host/include')
| -rw-r--r-- | host/include/aarch64/host/cpuinfo.h | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/host/include/aarch64/host/cpuinfo.h b/host/include/aarch64/host/cpuinfo.h new file mode 100644 index 0000000000..82227890b4 --- /dev/null +++ b/host/include/aarch64/host/cpuinfo.h @@ -0,0 +1,22 @@ +/* + * SPDX-License-Identifier: GPL-2.0-or-later + * Host specific cpu indentification for AArch64. + */ + +#ifndef HOST_CPUINFO_H +#define HOST_CPUINFO_H + +#define CPUINFO_ALWAYS (1u << 0) /* so cpuinfo is nonzero */ +#define CPUINFO_LSE (1u << 1) +#define CPUINFO_LSE2 (1u << 2) + +/* Initialized with a constructor. */ +extern unsigned cpuinfo; + +/* + * We cannot rely on constructor ordering, so other constructors must + * use the function interface rather than the variable above. + */ +unsigned cpuinfo_init(void); + +#endif /* HOST_CPUINFO_H */ |