cpuid_check: add the README for cpuid_check tool

Signed-off-by: Pengfei Xu <[email protected]>
intel · Jan 26, 2024 · 2733c30 · 2733c30
1 parent 0d97761
commit 2733c30
Showing 1 changed file with 13 additions and 0 deletions.
diff --git a/tools/cpuid_check/README.md b/tools/cpuid_check/README.md
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+# cpuid_check tool
+
+```
+CPUID is an instruction from Intel x86 CPU.
+For more details about CPUID, please check out the Intel SDM link below:
+Volume2 -> 3.3 INSTRUCTIONS (A-L) -> CPUID—CPU Identification
+```
+https://www.intel.com/content/www/us/en/developer/articles/technical/intel-sdm.html
+
+```
+This tool follows SDM to determine the cpuid result so that it can be used
+by other apps.
+```