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adding-new-intel-cpuids #334

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a2a10e9
adding-new-intel-cpuids
rrwinterton Oct 21, 2025
f6c8ad7
Update CPU architecture names in cpu-info.c
rrwinterton Oct 21, 2025
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10 changes: 10 additions & 0 deletions include/cpuinfo.h
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Original file line number Diff line number Diff line change
Expand Up @@ -355,6 +355,14 @@ enum cpuinfo_uarch {
cpuinfo_uarch_sunny_cove = 0x0010020C,
/** Intel Willow Cove microarchitecture (10 nm, Tiger Lake). */
cpuinfo_uarch_willow_cove = 0x0010020D,
/** Intel Golden Cove microarchitecture (Alder Lake P-Core) */
cpuinfo_uarch_golden_cove = 0x0010020E,
/** Intel Redwood Cove microarchitecture (Meteor Lake P-Core). */
cpuinfo_uarch_redwood_cove = 0x0010020F,
/** Intel Lion Cove microarchitecture (Lunar Lake P-Core). */
cpuinfo_uarch_lion_cove = 0x00100210,
/** Intel Cougar Cove microarchitecture (Panther Lake P-Core). */
cpuinfo_uarch_cougar_cove = 0x00100211,

/** Pentium 4 with Willamette, Northwood, or Foster cores. */
cpuinfo_uarch_willamette = 0x00100300,
Expand All @@ -381,6 +389,8 @@ enum cpuinfo_uarch {
cpuinfo_uarch_crestmont = 0x00100408,
/** Intel Darkmont microarchitecture (e-core used in Clearwater Forest). */
cpuinfo_uarch_darkmont = 0x00100409,
/** Intel Skymont microarchitecture (Lunar Lake E-Core). */
cpuinfo_uarch_skymont = 0x0010040A,

/** Intel Knights Ferry HPC boards. */
cpuinfo_uarch_knights_ferry = 0x00100500,
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27 changes: 25 additions & 2 deletions src/x86/uarch.c
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Expand Up @@ -193,8 +193,31 @@ enum cpuinfo_uarch cpuinfo_x86_decode_uarch(
case 0x96: // Elkhart Lake
case 0x9C: // Jacobsville
return cpuinfo_uarch_tremont;
case 0xBE: // Alder Lake-N
return cpuinfo_uarch_gracemont;
case 0x8F: // Sapphire Rapids (Golden Cove)
return cpuinfo_uarch_golden_cove;
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remove - all golden cove can share one return

case 0x97: // Alder Lake S (Golden Cove)
case 0x9A: // Alder Lake (Golden Cove)
case 0x9D: // Alder Lake P (Golden Cove)
case 0xB7: // Raptor Lake (Golden Cove)
case 0xBA: // Raptor Lake S (Golden Cove)
case 0xBF: // Raptor Lake HX (Golden Cove)
return cpuinfo_uarch_golden_cove;
case 0xBE: // Alder Lake N / Raptor Lake N (Golden Cove)
return cpuinfo_uarch_gracemont;
case 0xAD: // Granite Rapids (Redood Cove)
return cpuinfo_uarch_redwood_cove;
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remove. ditto

case 0xAA: // Meteor Lake P/M (Redwood Cove)
case 0xAC: // Meteor Lake S (Redwood Cove)
case 0xAE: // Meteor Lake U/Y (Redwood Cove)
return cpuinfo_uarch_redwood_cove;
case 0xB5: // Arrow Lake U
case 0xC5: // Arrow Lake P
case 0xC6: // Arrow Lake S/HX
return cpuinfo_uarch_lion_cove;
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ditto

case 0xBD: // Lunar Lake, (Lion Cove)
return cpuinfo_uarch_lion_cove;
case 0xCC: // Panther Lake
return cpuinfo_uarch_cougar_cove;
case 0xAF: // Sierra Forest
return cpuinfo_uarch_crestmont;
case 0xDD: // Clearwater Forest
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10 changes: 10 additions & 0 deletions tools/cpu-info.c
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Expand Up @@ -76,6 +76,16 @@ static const char* uarch_to_string(enum cpuinfo_uarch uarch) {
return "Broadwell";
case cpuinfo_uarch_sky_lake:
return "Sky Lake";
case cpuinfo_uarch_golden_cove:
return "Golden Cove";
case cpuinfo_uarch_redwood_cove:
return "Redwood Cove";
case cpuinfo_uarch_lion_cove:
return "Lion Cove";
case cpuinfo_uarch_cougar_cove:
return "Cougar Cove";
case cpuinfo_uarch_skymont:
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@fbarchard fbarchard Oct 28, 2025 •
edited
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hmmm... there are no skymont stand alone soc?
I guess code aiming at lunarlake could check for skymont or lioncove

return "Skymont";
case cpuinfo_uarch_palm_cove:
return "Palm Cove";
case cpuinfo_uarch_sunny_cove:
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