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Code Issues Releases Wiki Activity

Related to issue #67: Information about the availability of SGX

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Initial commit adding support for detection of SGX. Not tested yet.
Increment version number due to binary incompatibility of the
sizes of cpu_raw_data_t and cpu_id_t.
This commit is contained in:
Veselin Georgiev 2016-09-30 22:03:57 +03:00
commit 4cf8cfa862
16 changed files with 340 additions and 20 deletions
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29
libcpuid/cpuid_main.c
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@ -386,6 +386,18 @@ int cpuid_get_raw_data(struct cpu_raw_data_t* data)
data->intel_fn11[i][2] = i;
cpu_exec_cpuid_ext(data->intel_fn11[i]);
}
for (i = 0; i < MAX_INTELFN12H_LEVEL; i++) {
memset(data->intel_fn12h[i], 0, sizeof(data->intel_fn12h[i]));
data->intel_fn12h[i][0] = 0x12;
data->intel_fn12h[i][2] = i;
cpu_exec_cpuid_ext(data->intel_fn12h[i]);
}
for (i = 0; i < MAX_INTELFN14H_LEVEL; i++) {
memset(data->intel_fn14h[i], 0, sizeof(data->intel_fn14h[i]));
data->intel_fn14h[i][0] = 0x14;
data->intel_fn14h[i][2] = i;
cpu_exec_cpuid_ext(data->intel_fn14h[i]);
}
return set_error(ERR_OK);
}
@ -417,6 +429,14 @@ int cpuid_serialize_raw_data(struct cpu_raw_data_t* data, const char* filename)
fprintf(f, "intel_fn11[%d]=%08x %08x %08x %08x\n", i,
data->intel_fn11[i][0], data->intel_fn11[i][1],
data->intel_fn11[i][2], data->intel_fn11[i][3]);
for (i = 0; i < MAX_INTELFN12H_LEVEL; i++)
fprintf(f, "intel_fn12h[%d]=%08x %08x %08x %08x\n", i,
data->intel_fn12h[i][0], data->intel_fn12h[i][1],
data->intel_fn12h[i][2], data->intel_fn12h[i][3]);
for (i = 0; i < MAX_INTELFN14H_LEVEL; i++)
fprintf(f, "intel_fn14h[%d]=%08x %08x %08x %08x\n", i,
data->intel_fn14h[i][0], data->intel_fn14h[i][1],
data->intel_fn14h[i][2], data->intel_fn14h[i][3]);
if (strcmp(filename, ""))
fclose(f);
@ -462,9 +482,11 @@ int cpuid_deserialize_raw_data(struct cpu_raw_data_t* data, const char* filename
}
syntax = 1;
syntax = syntax && parse_token("basic_cpuid", token, value, data->basic_cpuid, MAX_CPUID_LEVEL, &recognized);
syntax = syntax && parse_token("ext_cpuid", token, value, data->ext_cpuid, MAX_EXT_CPUID_LEVEL, &recognized);
syntax = syntax && parse_token("intel_fn4", token, value, data->intel_fn4, MAX_INTELFN4_LEVEL, &recognized);
syntax = syntax && parse_token("intel_fn11", token, value, data->intel_fn11, MAX_INTELFN11_LEVEL, &recognized);
syntax = syntax && parse_token("ext_cpuid", token, value, data->ext_cpuid, MAX_EXT_CPUID_LEVEL, &recognized);
syntax = syntax && parse_token("intel_fn4", token, value, data->intel_fn4, MAX_INTELFN4_LEVEL, &recognized);
syntax = syntax && parse_token("intel_fn11", token, value, data->intel_fn11, MAX_INTELFN11_LEVEL, &recognized);
syntax = syntax && parse_token("intel_fn12h", token, value, data->intel_fn12h, MAX_INTELFN12H_LEVEL, &recognized);
syntax = syntax && parse_token("intel_fn14h", token, value, data->intel_fn14h, MAX_INTELFN14H_LEVEL, &recognized);
if (!syntax) {
warnf("Error: %s:%d: Syntax error\n", filename, cur_line);
fclose(f);
@ -622,6 +644,7 @@ const char* cpu_feature_str(cpu_feature_t feature)
{ CPU_FEATURE_SHA_NI, "sha_ni" },
{ CPU_FEATURE_AVX512BW, "avx512bw" },
{ CPU_FEATURE_AVX512VL, "avx512vl" },
{ CPU_FEATURE_SGX, "sgx" },
};
unsigned i, n = COUNT_OF(matchtable);
if (n != NUM_CPU_FEATURES) {