x86 architecture
reference documents




 
Intel
 
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SDM 325462-082 12/23 PDF older PDF
SDM vol 1 (app) 253665-082 12/23 PDF older PDF
SDM vol 2 (ins) 325383-082 12/23 PDF older PDF
SDM vol 3 (sys) 325384-082 12/23 PDF older PDF
SDM vol 4 (MSRs) 335592-082 12/23 PDF older PDF
SDM vol 2A (A-L) 253666-082 12/23 PDF older PDF
SDM vol 2B (M-U) 253667-082 12/23 PDF older PDF
SDM vol 2C (V) 326018-082 12/23 PDF older PDF
SDM vol 2D (W-Z) 334569-082 12/23 PDF older PDF
SDM vol 3A (sys) 253668-082 12/23 PDF older PDF
SDM vol 3B (sys) 253669-082 12/23 PDF older PDF
SDM vol 3C (sys) 326019-082 12/23 PDF older PDF
SDM vol 3D (sys) 332831-082 12/23 PDF older PDF
SDM changes 252046-074 12/23 PDF older PDF
CPUID (original) 241618-040 06/13 PDF older n/a
optimization
OPT vol 1 248966-049 01/24 PDF older PDF
OPT vol 2 356477-002 01/24 PDF older PDF
OPT changes 355308-003 01/24 PDF older PDF
OPT KNL 334541-001 06/16 PDF older PDF
OPT SKX lat+tput 336289-002 08/17 PDF older PDF
OPT ICL lat+tput 341425-001 09/19 PDF older ZIP
OPT GLC lat+tput 350392-002 02/22 PDF older ZIP
OPT TMT lat+tput 343370-001 05/20 PDF older PDF
OPT GRT lat+tput 350391-001 02/22 PDF older PDF
OPT hybrid 348851-001 10/21 PDF older PDF
Atom prefetchers 357930-001 12/23 PDF older PDF
perf mon events 335279-001 12/17 PDF older PDF
uncore PMU NHX 323535-001 03/10 PDF older PDF
uncore PMU WSX 325294-001 04/11 PDF older PDF
uncore PMU SNX 327043-001 03/12 PDF older PDF
uncore PMU IVX 329468-002 02/14 PDF older PDF
uncore PMU HSX 331051-002 06/15 PDF older ZIP
uncore PMU BDX 334291-001 04/16 PDF older ZIP
uncore PMU BDE 332427-001 05/15 PDF older ZIP
uncore PMU SKL 334060-001 04/16 PDF older PDF
uncore PMU SKX 336274-001 07/17 PDF older ZIP
uncore PMU ICX 639778-001 05/21 PDF older PDF
uncore PMU SPR 642245-001 06/21 PDF older ZIP
PMU KNC 327357-1.01 07/12 PDF older PDF
PMU KNL regs 332972-1.0 06/16 PDF older PDF
PMU KNL events 334480-1.0 06/16 PDF older PDF
PMU sharing guide 30388 09/10 PDF older PDF
ISA
ISA future 319433-051 12/23 PDF older PDF
ISA future x86-S 351407-001 04/23 PDF older PDF
ISA future FRED 366446-007 12/23 PDF older PDF
ISA future APX 355828-003 12/23 PDF older PDF
ISA future APX SW 356112-001 07/23 PDF older PDF
ISA future AVX10 355989-002 12/23 PDF older PDF
ISA future AVX10 TP 356368-002 12/23 PDF older PDF
ISA KNC MVEX 327364-001 09/12 PDF older PDF
ISA VT-x (original) C97063-002 04/05 PDF older n/a
ISA VT-d D51397-016 03/23 PDF older PDF
ISA SIOV 337679-002 04/20 PDF older PDF
ISA DSA 341204-004 09/22 PDF older PDF
ISA DSA UG 353216-002 01/23 PDF older PDF
ISA IAA 350295-005 08/23 PDF older PDF
ISA IAA UG 354834-001 06/23 PDF older PDF
ISA TSC scaling 333159-001 09/15 PDF older PDF
ISA TXT 315168-017.4 04/23 PDF older PDF
ISA SGX 329298-002 10/14 PDF older PDF
ISA CET 334525-003 05/19 PDF older PDF
ISA CET cplx ss up 356628-001 08/23 PDF older PDF
ISA 5-level paging 335252-002 05/17 PDF older PDF
ISA TME+MKTME 336907-004 08/22 PDF older PDF
ISA TDX 1.0 WP 343961-003 12/21 PDF older PDF
ISA TDX 1.0 CPU ext. 343754-002 05/21 PDF older PDF
ISA TDX 1.0 module 344425-004 06/22 PDF older PDF
ISA TDX 1.0 SEAM ldr 343755-003 03/22 PDF older PDF
ISA TDX 1.0 GHCI 344426-003 02/22 PDF older PDF
ISA TDX 1.0 VFDG 344991-002 10/21 PDF older PDF
ISA TDX 1.5 arch spec 348549-001 09/21 PDF older PDF
ISA TDX 1.5 migration 348550-001 09/21 PDF older PDF
ISA TDX 1.5 module 348551-001 09/21 PDF older PDF
ISA TDX 1.5 GHCI 348552-002 02/22 PDF older PDF
ISA TDX 1.5 migr. DG 348987-001 10/21 PDF older PDF
ISA KL 343965-001 09/20 PDF older PDF
ISA sp ex analysis 336983-004 08/18 PDF older PDF
ISA sp ex mitigation 336996-003 08/18 PDF older PDF
ISA sp ex Linux 337034-002 08/18 PDF older PDF
ISA sp ex Retpoline 337131-003 08/18 PDF older PDF
ISA sp ex mgt. runt. 337313-002 08/18 PDF older PDF
ISA sp ex BCB 337879-002 08/18 PDF older PDF
ISA sp ex BCB SGX n/a 02/18 PDF older PDF
ISA BFLOAT16 338302-001 04/20 PDF older PDF
ISA FP16 347407-001 06/21 PDF older PDF
ISA RAR 341431-001 07/21 PDF older PDF
ISA MCU 356111-001 06/23 PDF older PDF
ISA RDT 356688-001 09/23 PDF older PDF
miscellaneous
MP 1.4 242016-006 05/97 PDF older PDF
x2APIC 318148-004 03/11 PDF older PDF
HPET 1.0a 10/04 PDF older PDF
Atom Intel Technical Resources @
Pentium + Celeron @
Core @
Xeon @
Dev Zone @
Security @
PMU perfmon machine-readable event lists @

 
ABI
 
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System V ABI Intel386 4.1 draft 03/97 PDF older PDF
System V ABI Intel386 1.1 12/15 PDF older PDF
System V ABI Intel386 1.x draft 12/18 PDF older PDF
System V ABI AMD64 1.0 08/23 PDF older PDF | old
System V ABI Intel MCU 0.7 07/15 PDF older PDF
System V ABI Intel K1OM 1.0 04/12 PDF older PDF
VSI OpenVMS 01A 03/20 PDF older PDF
 
 
AMD
 
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APM 40332-4.07 06/23 PDF older PDF
APM vol 1 (app) 24592-3.23 10/20 PDF older PDF
APM vol 2 (sys) 24593-3.41 06/23 PDF older PDF
APM vol 3 (int/sys) 24594-3.35 06/23 PDF older PDF
APM vol 4 (SSE) 26568-3.25 11/21 PDF older PDF
APM vol 5 (x87) 26569-3.16 11/21 PDF older PDF
APM vol 6 (original) 43479-3.04 11/09 PDF older PDF
CPUID (original #1) 20734-3.13 12/05 PDF older n/a
CPUID (original #2) 25481-2.36 05/13 PDF older PDF
optimization
OPT 0Fh,11h (K8) 25112-3.06 09/05 PDF older PDF
OPT 10h,12h (K8L) 40546-3.13 02/11 PDF older PDF
OPT 14h (BC) n/a n/a n/a n/a n/a
OPT 15h (BD) 47414-3.08 01/14 PDF older PDF
OPT 16h (JG) 52128-1.1 03/13 PDF older ZIP
OPT 17h (ZN1) 55723-3.01 02/21 PDF older ZIP
OPT 17h (ZN2) 56305-3.02 03/20 PDF older ZIP
OPT 19h (ZN3) 56665-3.00 11/20 PDF older ZIP
OPT 19h (ZN4) 57647-1.00 01/23 PDF older ZIP
ISA
ISA x64 (original) 24108-C 01/01 PDF older n/a
ISA ASF 45432-2.1 03/09 PDF older PDF
ISA LWP 43724-3.08 08/10 PDF older PDF
ISA SVM (original) 33047-3.02 12/05 PDF older n/a
ISA SEV API 55766-3.24 04/20 PDF older PDF
ISA SEV-ES GHCB 56421-2.02 01/23 PDF older PDF
ISA SEV-SNP WP n/a 01/20 PDF older PDF
ISA SEV-SNP FW 56860-1.54 11/22 PDF older PDF
ISA SEV-SNP SM 58019-1.00 07/23 PDF older PDF
ISA VCEK KDS 57230-0.51 01/23 PDF older PDF
ISA TMPM OG 58151-0.51 05/23 PDF older PDF
ISA SVE 57115-0.50 03/21 PDF older PDF
ISA IOMMU v1 34434-1.26 02/09 PDF older PDF
ISA IOMMU v2 48882-3.09 10/23 PDF older PDF
ISA QoS 56375-1.03 02/22 PDF older PDF
ISA sp ex mitigation n/a 05/23 PDF older PDF
ISA ind br ctrl ext n/a 07/18 PDF older PDF
ISA spec st byp dis n/a 05/18 PDF older PDF
ISA spec behavior n/a 05/19 PDF older PDF
ISA spec PSF n/a 03/21 PDF older PDF
ISA spec BTC n/a 11/22 PDF older PDF
ISA spec SRSO n/a 02/24 PDF older PDF
errata
0Fh DDR1 (K8) 25759-3.79 07/09 PDF older PDF
0Fh DDR2 (K8) 33610-3.48 12/11 PDF older PDF
11h (LG) 41788-3.10 12/11 PDF older PDF
10h (Ba Sh Is) 41322-3.92 03/12 PDF older PDF
12h (LN) 44739-3.10 03/12 PDF older PDF
14h (ON) 47534-3.18 02/13 PDF older PDF
15h / 0Xh (OR) 48063-3.24 09/14 PDF older PDF
15h / 1Xh (TN RL) 48931-3.10 05/13 PDF older PDF
15h / 3Xh (KV GV) 51603-1.06 04/14 PDF older PDF
15h / 6Xh (CZ BR) 53564-?.?? ??/?? ??? older ???
15h / 7Xh (ST) 55370-3.00 07/16 PDF older PDF
16h / 0Xh (KB BV) 51810-3.06 06/14 PDF older PDF
16h / 3Xh (ML) 53072-3.00 04/14 PDF older PDF
17h / 0Xh (ZP) 55449-1.16 05/19 PDF older PDF
17h / 1Xh (RV) 55606-?.?? ??/?? ??? older ???
17h / 2Xh (RV2X) 56270-?.?? ??/?? ??? older ???
17h / 3Xh (SSP) 56323-1.01 04/23 PDF older PDF
17h / 6Xh (RN) 56545-?.?? ??/?? ??? older ???
17h / 7Xh (MTS) 56321-?.?? ??/?? ??? older ???
19h / 0Xh (GN) 56683-1.07 04/22 PDF older PDF
19h / 1Xh (RS) 57095-1.01 05/23 PDF older PDF
BKDG
0Fh DDR1 (K8) 26094-3.30 02/06 PDF older PDF
0Fh DDR2 (K8) 32559-3.16 11/09 PDF older PDF
11h (LG) 41256-3.00 07/08 PDF older PDF
10h (Ba Sh Is) 31116-3.62 01/13 PDF older PDF
12h (LN) 41131-3.02 10/11 PDF older PDF
14h (ON) 43170-3.13 02/12 PDF older PDF
15h / 0Xh (OR) 42301-3.14 01/13 PDF older PDF
15h / 1Xh (TN RL) 42300-3.12 07/14 PDF older PDF
15h / 3Xh (KV GV) 49125-3.06 02/15 PDF older PDF
15h / 6Xh (CZ BR) 50742-3.05 05/16 PDF older PDF
15h / 7Xh (ST) 55072-3.09 06/18 PDF older PDF
16h / 0Xh (KB BV) 48751-3.03 02/15 PDF older PDF
16h / 3Xh (ML) 52740-3.06 03/16 PDF older PDF
PPR
17h / 01h (ZP) 54945-3.03 06/19 PDF older ZIP
17h / 18h (RV) 55570-3.16 04/21 PDF older ZIP
17h / 20h (RV2X) 55772-3.08 04/21 PDF older ZIP
17h / 30h (SSP) 55803-0.91 09/20 PDF older PDF
17h / 60h (RN) 55922-3.06 09/20 PDF older ZIP
17h / 71h (MTS) 56176-3.06 07/19 PDF older ZIP
17h / A0h (MDN) 57243-3.00 08/22 PDF older ZIP
19h / 00h (GN) 55898-0.63 08/21 v1|v2 older ZIP
19h / 10h (RS) 55901-0.53 05/23 v1|v2|v3
v4|v5|v6
older ZIP
19h / 21h (VMR) 56214-3.05 04/21 PDF older ZIP
19h / 51h (CZN) 56569-3.03 09/21 PDF older ZIP
19h / 61h (RPL) 56713-3.05 03/23 PDF older ZIP
19h / 70h (PHX) 57019-3.00 02/23 PDF older ZIP
OSRR
17h / 00h-2Fh (ZN) 56255-3.03 07/18 PDF older PDF
miscellaneous
Infinity Fabric UG 56978-1.00 09/20 PDF older PDF

 
Agner
 
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Agner Fog's volume 1 (C++) 07/23 PDF older PDF
Agner Fog's volume 2 (ASM) 07/23 PDF older PDF
Agner Fog's volume 3 (µarchs) 07/23 PDF older PDF
Agner Fog's volume 4 (cycles) 11/22 PDF older PDF
Agner Fog's volume 5 (calling) 07/23 PDF older PDF



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