cpuid: Add helper function for cpuid(1) functions
This patch introduces 3 helper function for cpuid(1) :
1. cpu_get_cpuid() -> to get processor id (from cpuid.eax)
2. cpu_get_feature_flags_ecx -> to get processor feature flag (from cpuid.ecx)
3. cpu_get_feature_flags_edx -> to get processor feature flag (from cpuid.edx)
Above 3 helper functions are targeted to replace majority of cpuid(1)
references.
Change-Id: Ib96a7c79dadb1feff0b8d58aa408b355fbb3bc50
Signed-off-by: Subrata Banik <subrata.banik@intel.com>
Reviewed-on: https://review.coreboot.org/c/30123
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Furquan Shaikh <furquan@google.com>
diff --git a/src/arch/x86/cpu.c b/src/arch/x86/cpu.c
index 6bbeb59..018ce9e 100644
--- a/src/arch/x86/cpu.c
+++ b/src/arch/x86/cpu.c
@@ -183,7 +183,7 @@
/* Intel-defined flags: level 0x00000001 */
if (cpuid_level >= 0x00000001)
- cpu->device = cpuid_eax(0x00000001);
+ cpu->device = cpu_get_cpuid();
else
/* Have CPUID level 0 only unheard of */
cpu->device = 0x00000400;