diff options
| author | John Baldwin <jhb@FreeBSD.org> | 2023-08-28 14:18:19 -0700 |
|---|---|---|
| committer | John Baldwin <jhb@FreeBSD.org> | 2023-08-28 14:18:19 -0700 |
| commit | e85aad4ae764d7fbc02d4f6a5729c1308597499f (patch) | |
| tree | e745e676d99c02b6a3135e68f0a4f08168890173 /gdb | |
| parent | c689d1fe58b2c0faf51e4f574d50271f1d0648e3 (diff) | |
| download | gdb-e85aad4ae764d7fbc02d4f6a5729c1308597499f.zip gdb-e85aad4ae764d7fbc02d4f6a5729c1308597499f.tar.gz gdb-e85aad4ae764d7fbc02d4f6a5729c1308597499f.tar.bz2 | |
nat/x86-cpuid.h: Add x86_cpuid_count wrapper around __get_cpuid_count.
Approved-By: Simon Marchi <simon.marchi@efficios.com>
Diffstat (limited to 'gdb')
| -rw-r--r-- | gdb/nat/x86-cpuid.h | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/gdb/nat/x86-cpuid.h b/gdb/nat/x86-cpuid.h index 0955afb..517113d 100644 --- a/gdb/nat/x86-cpuid.h +++ b/gdb/nat/x86-cpuid.h @@ -48,6 +48,30 @@ x86_cpuid (unsigned int __level, return __get_cpuid (__level, __eax, __ebx, __ecx, __edx); } +/* Return cpuid data for requested cpuid level and sub-level, as found + in returned eax, ebx, ecx and edx registers. The function checks + if cpuid is supported and returns 1 for valid cpuid information or + 0 for unsupported cpuid level. Pointers may be non-null. */ + +static __inline int +x86_cpuid_count (unsigned int __level, unsigned int __sublevel, + unsigned int *__eax, unsigned int *__ebx, + unsigned int *__ecx, unsigned int *__edx) +{ + unsigned int __scratch; + + if (__eax == nullptr) + __eax = &__scratch; + if (__ebx == nullptr) + __ebx = &__scratch; + if (__ecx == nullptr) + __ecx = &__scratch; + if (__edx == nullptr) + __edx = &__scratch; + + return __get_cpuid_count (__level, __sublevel, __eax, __ebx, __ecx, __edx); +} + #else static __inline int @@ -58,6 +82,14 @@ x86_cpuid (unsigned int __level, return 0; } +static __inline int +x86_cpuid_count (unsigned int __level, unsigned int __sublevel, + unsigned int *__eax, unsigned int *__ebx, + unsigned int *__ecx, unsigned int *__edx) +{ + return 0; +} + #endif /* i386 && x86_64 */ #endif /* NAT_X86_CPUID_H */ |