Commit f281854f authored by Borislav Petkov's avatar Borislav Petkov
Browse files

tools/x86/kcpuid: Add AMD leaf 0x8000001E 



Contains core IDs, node IDs and other topology info.

Signed-off-by: default avatarBorislav Petkov <bp@suse.de>
Acked-by: default avatarFeng Tang <feng.tang@intel.com>
Link: https://lkml.kernel.org/r/20210315125901.30315-2-bp@alien8.de
parent e20f6702

tools/arch/x86/kcpuid/cpuid.csv

+18 −8
Original line number Diff line number Diff line
@@ -379,6 +379,16 @@ 
0x80000008,    0,  EAX,   15:8, lnr_adr_bits, Linear Address Bits

0x80000007,    0,  EBX,      9, wbnoinvd, WBNOINVD



# 0x8000001E

# EAX: Extended APIC ID

0x8000001E,	0, EAX,   31:0, extended_apic_id, Extended APIC ID

# EBX: Core Identifiers

0x8000001E,	0, EBX,    7:0, core_id, Identifies the logical core ID

0x8000001E,	0, EBX,   15:8, threads_per_core, The number of threads per core is threads_per_core + 1

# ECX: Node Identifiers

0x8000001E,	0, ECX,    7:0, node_id, Node ID

0x8000001E,	0, ECX,   10:8, nodes_per_processor, Nodes per processor { 0: 1 node, else reserved }



# 8000001F: AMD Secure Encryption

0x8000001F,	0, EAX,	     0, sme,	Secure Memory Encryption

0x8000001F,	0, EAX,      1, sev,	Secure Encrypted Virtualization