Date: Sat, 4 Oct 2008 17:47:04 GMT From: Artem Naluzhnyy <tut@nhamon.com.ua> To: freebsd-gnats-submit@FreeBSD.org Subject: kern/127859: Update AMD features in identcpu.c Message-ID: <200810041747.m94Hl4Re025045@www.freebsd.org> Resent-Message-ID: <200810041750.m94Ho19g056095@freefall.freebsd.org>
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>Number: 127859 >Category: kern >Synopsis: Update AMD features in identcpu.c >Confidential: no >Severity: non-critical >Priority: low >Responsible: freebsd-bugs >State: open >Quarter: >Keywords: >Date-Required: >Class: change-request >Submitter-Id: current-users >Arrival-Date: Sat Oct 04 17:50:01 UTC 2008 >Closed-Date: >Last-Modified: >Originator: Artem Naluzhnyy >Release: >Organization: >Environment: >Description: Here is a patch to satisfy recent CPUID Specification from AMD (http://www.amd.com/us-en/assets/content_type/white_papers_and_tech_docs/25481.pdf). It should be applied to sys/i386/i386/identcpu.c and sys/amd64/amd64/identcpu.c probably. >How-To-Repeat: >Fix: --- identcpu.c.orig 2008-10-04 19:56:38.000000000 +0300 +++ identcpu.c 2008-10-04 20:21:26.000000000 +0300 @@ -754,6 +754,9 @@ } /* + * AMD CPUID Specification, Revision 2.28 + * http://www.amd.com/us-en/assets/content_type/white_papers_and_tech_docs/25481.pdf + * * AMD64 Architecture Programmer's Manual Volume 3: * General-Purpose and System Instructions * http://www.amd.com/us-en/assets/content_type/white_papers_and_tech_docs/24594.pdf @@ -775,7 +778,7 @@ "\010<s7>" /* Same */ "\011<s8>" /* Same */ "\012<s9>" /* Same */ - "\013<b10>" /* Undefined */ + "\013<b10>" /* Reserved */ "\014SYSCALL" /* Have SYSCALL/SYSRET */ "\015<s12>" /* Same */ "\016<s13>" /* Same */ @@ -783,17 +786,17 @@ "\020<s15>" /* Same */ "\021<s16>" /* Same */ "\022<s17>" /* Same */ - "\023<b18>" /* Reserved, unknown */ - "\024MP" /* Multiprocessor Capable */ + "\023<b18>" /* Reserved */ + "\024<b19>" /* Reserved */ "\025NX" /* Has EFER.NXE, NX */ - "\026<b21>" /* Undefined */ + "\026<b21>" /* Reserved */ "\027MMX+" /* AMD MMX Extensions */ "\030<s23>" /* Same */ "\031<s24>" /* Same */ "\032FFXSR" /* Fast FXSAVE/FXRSTOR */ "\033Page1GB" /* 1-GB large page support */ "\034RDTSCP" /* RDTSCP */ - "\035<b28>" /* Undefined */ + "\035<b28>" /* Reserved */ "\036LM" /* 64 bit long mode */ "\0373DNow!+" /* AMD 3DNow! Extensions */ "\0403DNow!" /* AMD 3DNow! */ @@ -808,15 +811,18 @@ "\003SVM" /* Secure Virtual Mode */ "\004ExtAPIC" /* Extended APIC register */ "\005CR8" /* CR8 in legacy mode */ - "\006<b5>" - "\007<b6>" - "\010<b7>" + "\006ABM" /* Advanced Bit Manipulation */ + "\007SSE4A" /* + * EXTRQ, INSERTQ, MOVNTSS, + * and MOVNTSD instructions + */ + "\010MASSE" /* Misaligned SSE mode */ "\011Prefetch" /* 3DNow! Prefetch/PrefetchW */ - "\012<b9>" - "\013<b10>" - "\014<b11>" - "\015<b12>" - "\016<b13>" + "\012OSVW" /* OS Visible Workaround */ + "\013IBS" /* Instruction Based Sampling */ + "\014SSE5" /* SSE5 Instruction support */ + "\015SKINIT" /* SKINIT/STGI support */ + "\016WDT" /* Watchdog timer support */ "\017<b14>" "\020<b15>" "\021<b16>" >Release-Note: >Audit-Trail: >Unformatted:
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