#define CPUID_MODEL_KABYLAKE_9E 0x9e // Kabylake S/H QS
/* Intel stepping information */
-#define CPUID_STEPPING_KABYLAKE_ES 0x8 // Kabylake S/H/U/Y ES
+#define CPUID_STEPPING_KABYLAKE_ES 0x8 // Kabylake S/H/U/Y ES
+#define CPUID_STEPPING_COFFEELAKE_A 0xA // Coffeelake U/S/H
+#define CPUID_STEPPING_COFFEELAKE_B 0xB // Coffeelake S/H
#define CPUID_MODEL_PIII_07 7
#define CPUID_MODEL_PIII_08 8
CPUID_EFFECTIVE_STEPPING(v) != CPUID_STEPPING_KABYLAKE_ES));
}
+static INLINE Bool
+CPUID_MODEL_IS_COFFEELAKE(uint32 v) // IN: %eax from CPUID with %eax=1.
+{
+ /* Assumes the CPU manufacturer is Intel. */
+ return CPUID_FAMILY_IS_P6(v) &&
+ ((CPUID_EFFECTIVE_MODEL(v) == CPUID_MODEL_KABYLAKE_9E &&
+ (CPUID_EFFECTIVE_STEPPING(v) == CPUID_STEPPING_COFFEELAKE_A ||
+ CPUID_EFFECTIVE_STEPPING(v) == CPUID_STEPPING_COFFEELAKE_B)) ||
+ (CPUID_EFFECTIVE_MODEL(v) == CPUID_MODEL_KABYLAKE_8E &&
+ CPUID_EFFECTIVE_STEPPING(v) == CPUID_STEPPING_COFFEELAKE_A));
+}
+
static INLINE Bool
CPUID_MODEL_IS_KABYLAKE(uint32 v) // IN: %eax from CPUID with %eax=1.
{
/* Assumes the CPU manufacturer is Intel. */
return CPUID_FAMILY_IS_P6(v) &&
- (CPUID_EFFECTIVE_MODEL(v) == CPUID_MODEL_KABYLAKE_9E ||
- CPUID_EFFECTIVE_MODEL(v) == CPUID_MODEL_KABYLAKE_8E ||
- (CPUID_EFFECTIVE_MODEL(v) == CPUID_MODEL_SKYLAKE_5E &&
- CPUID_EFFECTIVE_STEPPING(v) == CPUID_STEPPING_KABYLAKE_ES) ||
- (CPUID_EFFECTIVE_MODEL(v) == CPUID_MODEL_SKYLAKE_4E &&
- CPUID_EFFECTIVE_STEPPING(v) == CPUID_STEPPING_KABYLAKE_ES));
+ !CPUID_MODEL_IS_COFFEELAKE(v) &&
+ (CPUID_EFFECTIVE_MODEL(v) == CPUID_MODEL_KABYLAKE_9E ||
+ CPUID_EFFECTIVE_MODEL(v) == CPUID_MODEL_KABYLAKE_8E ||
+ (CPUID_EFFECTIVE_MODEL(v) == CPUID_MODEL_SKYLAKE_5E &&
+ CPUID_EFFECTIVE_STEPPING(v) == CPUID_STEPPING_KABYLAKE_ES) ||
+ (CPUID_EFFECTIVE_MODEL(v) == CPUID_MODEL_SKYLAKE_4E &&
+ CPUID_EFFECTIVE_STEPPING(v) == CPUID_STEPPING_KABYLAKE_ES));
}
static INLINE Bool
{
/* Assumes the CPU manufacturer is Intel. */
return CPUID_FAMILY_IS_P6(v) &&
- (CPUID_MODEL_IS_KABYLAKE(v) || CPUID_MODEL_IS_SKYLAKE(v));
+ (CPUID_MODEL_IS_COFFEELAKE(v) ||
+ CPUID_MODEL_IS_KABYLAKE(v) ||
+ CPUID_MODEL_IS_SKYLAKE(v));
}
static INLINE Bool