aos/devices/cpuid_amd.dev
Daniel Schwyn 6d444bf552 Main handout
Signed-off-by: Daniel Schwyn <daniel.schwyn@inf.ethz.ch>
2022-03-03 14:57:51 +01:00

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/*
* Copyright (c) 2015, ETH Zurich. All rights reserved.
*
* This file is distributed under the terms in the attached LICENSE file.
* If you do not find this file, copies can be found by writing to:
* ETH Zurich D-INFK, Universitaetsstrasse 6, CH-8092 Zurich. Attn: Systems Group.
*/
/*
* cpuid_amd.dev
*
* DESCRIPTION: ia32 CPU ID instruction results
*
* See
* AMD CPUID Specification, Rev. 2.28, Pub.#25481, April 2008
*/
device cpuid_amd lsbfirst () "ia32 / Intel64 CPUID instruction results" {
/*
*============================================================================
* Basic Information.
*============================================================================
*/
/*
* CPUID(0, _)
* ---------------------------------------------------------------------------
*/
datatype basic lsbfirst (32) "" {
max_cpuid 32 rw "Maximum Input Value for Basic CPUID Information";
vendor0 32 rw "Vendor string part 1";
vendor2 32 rw "Vendor string part 3";
vendor1 32 rw "Vendor string part 2";
};
/*
* CPUID(1, _)
* ---------------------------------------------------------------------------
*/
datatype family lsbfirst(32) "family information in eax register" {
stepping 4 rw "Processor Stepping ID";
model 4 rw "Processor Model";
family 4 rw "Processor Family";
_ 4 mbz "Reserved";
extmodel 4 rw "Extended Model ID";
extfamily 8 rw "Extended Family ID";
_ 4 mbz "Reserved";
};
datatype miscinfo lsbfirst(32) "info returned in ebx register" {
brand_idx 8 rw "Brand index";
cflush_sz 8 rw "CLFLUSH line size (Value * 8 = cache line size in bytes)";
max_log_proc 8 rw "LogicalProcessorCount is the number of cores per processor";
init_apicid 8 rw "Initial APIC ID";
};
datatype features lsbfirst(32) "features returned in {ecx, edx}" {
/* Feature Information (see Figure 3-6 and Table 3-19) */
sse3 1 rw "Streaming SIMD Extensions 3 (SSE3). ";
pclmulqdq 1 rw "PCLMULQDQ.";
dtes64 1 rw "64-bit DS Area";
monitor 1 rw "MONITOR/MWAIT";
ds_cpl 1 rw "CPL Qualified Debug Store. ";
vmx 1 rw "Virtual Machine Extensions";
smx 1 rw "Safer Mode Extensions. ";
eist 1 rw "Enhanced Intel SpeedStep(r) technology. ";
tm2 1 rw "Thermal Monitor 2";
ssse3 1 rw "Supplemental Streaming SIMD Extensions 3 (SSSE3)";
cntx_id 1 rw "L1 Context ID. A";
sdbg 1 rw "IA32_DEBUG_INTERFACE MSR ";
fma 1 rw "FMA extensions using YMM state.";
cmpxchg16b 1 rw "CMPXCHG16B Available";
xtpr 1 rw "xTPR Update Control";
pdcm 1 rw "Perfmon and Debug Capability";
_ 1 mbz "";
pcid 1 rw "Process-context identifiers";
dca 1 rw "ability to prefetch data from a memory mapped device.";
sse4_1 1 rw "supports SSE4.1. ";
sse4_2 1 rw "supports SSE4.2. ";
x2apic 1 rw "supports x2APIC feature";
movbe 1 rw "supports MOVBE instruction";
popcnt 1 rw "supports the POPCNT instruction.";
tsc_one 1 rw "local APIC timer supports one-shot operation ";
aesni 1 rw " AESNI instruction extensions";
xsave 1 rw " XSAVE/XRSTOR processor ";
osxsave 1 rw "OS has set CR4.OSXSAVE[bit 18] to enable XSETBV/XGETBV instruction";
avx 1 rw "AVX instruction extensions";
f16c 1 rw "16-bit floating-point conversion instructions.";
rdrand 1 rw "supports RDRAND instruction.";
_ 1 mbz "";
/* Feature Information (see Figure 3-7 and Table 3-20) */
fpu 1 rw "Floating Point Unit On-Chip";
vme 1 rw "Virtual 8086 Mode Enhancements";
de 1 rw "Debugging Extensions. ";
pse 1 rw "Page Size Extension";
tsc 1 rw "Time Stamp Counter.";
msr 1 rw "Model Specific Registers RDMSR and WRMSR Instructions";
pae 1 rw "Physical Address Extension";
mce 1 rw "Machine Check Exception. ";
cx8 1 rw "CMPXCHG8B Instruction.";
apic 1 rw "APIC On-Chip. ";
_ 1 mbz "";
sep 1 rw "SYSENTER and SYSEXIT Instructions.";
mtrr 1 rw "Memory Type Range Registers";
pge 1 rw "Page Global Bit";
mca 1 rw "Machine Check Architecture.";
cmov 1 rw "Conditional Move Instructions";
pat 1 rw "Page Attribute Table";
pse36 1 rw "36-Bit Page Size Extension";
psn 1 rw "Processor Serial Number. ";
clfsh 1 rw "CLFLUSH Instruction";
_ 1 rw "";
ds 1 rw "Debug Store";
acpi 1 rw "Thermal Monitor and Software Controlled Clock Facilities";
mmx 1 rw "Intel MMX Technology";
fxsr 1 rw "FXSAVE and FXRSTOR Instructions";
sse 1 rw "SSE1";
sse2 1 rw "SSE2";
ss 1 rw "Self Snoop";
htt 1 rw "Max APIC IDs reserved field is Valid";
tm 1 rw "Thermal Monitor";
_ 1 mbz "";
pbe 1 rw "Pending Break Enable. ";
};
/*
* CPUID(0x80000008, _)
* ---------------------------------------------------------------------------
*/
datatype addrspace lsbfirst(32) " Long Mode Address Size Identifiers (eax)" {
physical 8 rw "Maximum physical byte address size in bits";
linear 8 rw "Maximum linear byte address size in bits. ";
guest 8 rw " maximum guest physical byte address size in bits";
_ 8 mbz "reserved";
};
datatype apicid lsbfirst(32) "APIC ID Size and Core Count (ecx)" {
ncores 8 rw "number of physical cores - 1";
_ 4 mbz "Reserved";
apic_sz 4 rw "APIC ID size";
_ 16 mbz "reserved";
};
/*
* CPUID(0x80000005, _) L1 Cache and TLB Identifiers
* ---------------------------------------------------------------------------
*/
datatype tlb_l1 lsbfirst(32) "" {
itlb_sz 8 rw "L2 instruction TLB number of entries for 2/4MB pages ";
itlb_assoc 8 rw "L2 instruction TLB associativity for 2/4MB pages ";
dtlb_sz 8 rw "L2 data TLB number of entries for 2/4MB pages ";
dtlb_assoc 8 rw "L2 data TLB associativity for 2/4MB pages";
};
datatype l1_2m_tlb lsbfirst(32) "Fn8000_0005_EAX L1 Cache and TLB Identifiers" {
itlb_sz 8 rw "L2 instruction TLB number of entries for 2/4MB pages ";
itlb_assoc 8 rw "L2 instruction TLB associativity for 2/4MB pages ";
dtlb_sz 8 rw "L2 data TLB number of entries for 2/4MB pages ";
dtlb_assoc 8 rw "L2 data TLB associativity for 2/4MB pages";
};
datatype l1_4k_tlb lsbfirst(32) "Fn8000_0005_EBX L1 Cache and TLB Identifiers" {
itlb_sz 8 rw "L2 instruction TLB number of entries for 4 KB pages. ";
itlb_assoc 8 rw "L2 instruction TLB associativity for 4 KB pages ";
dtlb_sz 8 rw "L2 data TLB number of entries for 4 KB pages ";
dtlb_assoc 8 rw "L2 data TLB associativity for 4 KB pages";
};
datatype l1_dcache lsbfirst(32) " Fn8000_0005_ECX L1 Cache and TLB Identifiers" {
linesize 8 rw "L1 cache line size in bytes. ";
lines_per_tag 8 rw "L1 cache lines per tag. ";
assoc 8 rw "L1 cache associativity. See Table 4.";
size 8 rw "L1 cache size in KB.";
};
datatype l1_icache lsbfirst(32) "Fn8000_0005_EDX L1 Cache and TLB Identifiers" {
linesize 8 rw "L1 cache line size in bytes. ";
lines_per_tag 8 rw "L1 cache lines per tag. ";
assoc 8 rw "L1 cache associativity. See Table 4.";
size 8 rw "L1 cache size in KB.";
};
/*
* CPUID(0x80000006, _) TLB and L2/L3 cache information
* ---------------------------------------------------------------------------
*/
constants cache_assoc "AMD cache associativity values" {
cache_assoc_disabled = 0x0 "";
cache_assoc_direct = 0x1 "";
cache_assoc_2way = 0x2 "";
cache_assoc_4way = 0x4 "";
cache_assoc_8way = 0x6 "";
cache_assoc_16way = 0x8 "";
cache_assoc_32way = 0xa "";
cache_assoc_48way = 0xb "";
cache_assoc_64way = 0xc "";
cache_assoc_96way = 0xd "";
cache_assoc_128way = 0xe "";
cache_assoc_fully = 0xf "";
};
datatype tlb_l2 lsbfirst(32) "Fn8000_0006_EAX L2 TLB Identifiers" {
itlb_sz 12 rw "L2 instruction TLB number of entries for 2/4MB pages ";
itlb_assoc 4 rw "L2 instruction TLB associativity for 2/4MB pages ";
dtlb_sz 12 rw "L2 data TLB number of entries for 2/4MB pages ";
dtlb_assoc 4 rw "L2 data TLB associativity for 2/4MB pages";
};
datatype l2_2m_tlb lsbfirst(32) "Fn8000_0006_EAX L2 TLB Identifiers" {
itlb_sz 12 rw "L2 instruction TLB number of entries for 2/4MB pages ";
itlb_assoc 4 rw "L2 instruction TLB associativity for 2/4MB pages ";
dtlb_sz 12 rw "L2 data TLB number of entries for 2/4MB pages ";
dtlb_assoc 4 rw "L2 data TLB associativity for 2/4MB pages";
};
datatype l2_4k_tlb lsbfirst(32) " Fn8000_0006_EBX L2 TLB Identifiers" {
itlb_sz 12 rw "L2 instruction TLB number of entries for 4 KB pages. ";
itlb_assoc 4 rw "L2 instruction TLB associativity for 4 KB pages ";
dtlb_sz 12 rw "L2 data TLB number of entries for 4 KB pages ";
dtlb_assoc 4 rw "L2 data TLB associativity for 4 KB pages";
};
datatype l2_cache lsbfirst(32) "Fn8000_0006_ECX L2 Cache Identifiers" {
linesize 8 rw "L2 cache line size in bytes. ";
lines_per_tag 4 rw "L2 cache lines per tag. ";
assoc 4 rw "L2 cache associativity. See Table 4.";
size 16 rw "L2 cache size in KB.";
};
datatype l3_cache lsbfirst(32) "Fn8000_0006_EDX L3 Cache Identifiers" {
linesize 8 rw "L3 cache line size in bytes. ";
lines_per_tag 4 rw "L3 cache lines per tag. ";
assoc 4 rw "L3 cache associativity. See Table 4.";
_ 2 mbz "Reserved";
size 14 rw "Specifies the L3 cache size in 512kb blocks";
};
/*
* CPUID(0x80000019, _) TLB for 1G Pages
* ---------------------------------------------------------------------------
*/
datatype tlb_1g_l1 lsbfirst(32) "TLB 1GB Page Identifiers eax" {
itlb_sz 12 "L1 instruction TLB number of entries for 1 GB pages";
itlb_assoc 4 "L1 instruction TLB associativity for 1 GB pages. See Table 4";
dtlb_sz 12 "L1 data TLB number of entries for 1 GB pages";
dtlb_assoc 4 "L1 data TLB associativity for 1 GB pages. See Table 4.";
};
datatype tlb_1g_l2 lsbfirst(32) "TLB 1GB Page Identifiers ebx" {
itlb_sz 12 "L2 instruction TLB number of entries for 1 GB pages";
itlb_assoc 4 "L2 instruction TLB associativity for 1 GB pages. See Table 4";
dtlb_sz 12 "L2 data TLB number of entries for 1 GB pages";
dtlb_assoc 4 "L2 data TLB associativity for 1 GB pages. See Table 4.";
};
/*
* CPUID(0x8000001D, _)
* ---------------------------------------------------------------------------
*/
constants cache_type "AMD Cache Type values" {
cache_type_null = 0x0 "No more caches";
cache_type_data = 0x1 "data cache";
cache_type_instr = 0x2 "Instruction Cache";
cache_type_unified = 0x3 "Unified Cache";
};
/* EAX */
datatype cache_info_eax lsbfirst (32) "" {
ctype 5 "Cache Type Field";
level 3 "Cache Level (starts at 1)";
selfinit 1 "Self Initializing cache level (does not need SW initialization)";
fullyassoc 1 "Fully Associative cache";
_ 4 "Reserved";
num_sharing 12 "number of cores sharing cache - 1";
_ 6 "";
};
datatype cache_info_ebx lsbfirst (32) "" {
cachelinesize 12 "cache line size in bytes - 1";
partitions 10 "cache physical line partitions - 1";
assoc 10 "cache number of ways - 1";
};
datatype cache_info_ecx lsbfirst (32) "" {
num_sets 32 "The number of Sets - 1";
};
datatype cache_info_edx lsbfirst (32) "" {
wb_inv 1 "Write-Back Invalidate/Invalidate";
inclusive 1 "Cache Inclusiveness";
_ 30 "reserved";
};
/*
* CPUID(0x8000001E, _) topology extensions
* ---------------------------------------------------------------------------
*/
datatype ext_apic lsbfirst (32) "register eax" {
extended_apicid 32 "extended APIC ID";
};
datatype cuid lsbfirst (32) "Fn8000_001E_EBX Compute Unit Identifiers" {
cuid 8 "compute unit id";
ncores 2 "Number of cores per compute unit - 1";
_ 22 "Reserved";
};
datatype nid lsbfirst (32) "Fn8000_001E_ECX Node Identifiers" {
nodeid 8 "Specifies the node ID";
nnodeds 3 "Number of nodes per processor - 1";
_ 21 "Reserved";
};
};