diff options
Diffstat (limited to 'sysdeps/x86/cacheinfo.c')
| -rw-r--r-- | sysdeps/x86/cacheinfo.c | 46 |
1 files changed, 34 insertions, 12 deletions
diff --git a/sysdeps/x86/cacheinfo.c b/sysdeps/x86/cacheinfo.c index ed4e1a5b58..350cba5fda 100644 --- a/sysdeps/x86/cacheinfo.c +++ b/sysdeps/x86/cacheinfo.c @@ -18,11 +18,8 @@ #if IS_IN (libc) -#include <assert.h> #include <unistd.h> -#include <cpuid.h> #include <ldsodefs.h> -#include <dl-cacheinfo.h> /* Get the value of the system variable NAME. */ long int @@ -30,20 +27,45 @@ attribute_hidden __cache_sysconf (int name) { const struct cpu_features *cpu_features = __get_cpu_features (); + switch (name) + { + case _SC_LEVEL1_ICACHE_SIZE: + return cpu_features->level1_icache_size; - if (cpu_features->basic.kind == arch_kind_intel) - return handle_intel (name, cpu_features); + case _SC_LEVEL1_DCACHE_SIZE: + return cpu_features->level1_dcache_size; - if (cpu_features->basic.kind == arch_kind_amd) - return handle_amd (name); + case _SC_LEVEL1_DCACHE_ASSOC: + return cpu_features->level1_dcache_assoc; - if (cpu_features->basic.kind == arch_kind_zhaoxin) - return handle_zhaoxin (name); + case _SC_LEVEL1_DCACHE_LINESIZE: + return cpu_features->level1_dcache_linesize; - // XXX Fill in more vendors. + case _SC_LEVEL2_CACHE_SIZE: + return cpu_features->level2_cache_size; - /* CPU not known, we have no information. */ - return 0; + case _SC_LEVEL2_CACHE_ASSOC: + return cpu_features->level2_cache_assoc; + + case _SC_LEVEL2_CACHE_LINESIZE: + return cpu_features->level2_cache_linesize; + + case _SC_LEVEL3_CACHE_SIZE: + return cpu_features->level3_cache_size; + + case _SC_LEVEL3_CACHE_ASSOC: + return cpu_features->level3_cache_assoc; + + case _SC_LEVEL3_CACHE_LINESIZE: + return cpu_features->level3_cache_linesize; + + case _SC_LEVEL4_CACHE_SIZE: + return cpu_features->level4_cache_size; + + default: + break; + } + return -1; } # ifdef SHARED |