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From Intel SDM:

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- Add the Silicon Debug bit in CPUID Fn00000001 %ecx
- Add CPUID Fn0000_0007 %ecx bits
- Add comments.
This commit is contained in:
msaitoh 2015-05-08 07:23:56 +00:00
parent f9deecc437
commit 7bd0ea0d0a
1 changed files with 25 additions and 7 deletions
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32
sys/arch/x86/include/specialreg.h
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@ -1,4 +1,4 @@
/* $NetBSD: specialreg.h,v 1.81 2014/12/12 02:25:55 msaitoh Exp $ */
/* $NetBSD: specialreg.h,v 1.82 2015/05/08 07:23:56 msaitoh Exp $ */
/*-
* Copyright (c) 1991 The Regents of the University of California.
@ -189,7 +189,7 @@
#define CPUID2_TM2 0x00000100 /* Thermal Monitor 2 */
#define CPUID2_SSSE3 0x00000200 /* Supplemental SSE3 */
#define CPUID2_CID 0x00000400 /* Context ID */
/* bit 11 unused 0x00000800 */
#define CPUID2_SDBG 0x00000800 /* Silicon Debug */
#define CPUID2_FMA 0x00001000 /* has Fused Multiply Add */
#define CPUID2_CX16 0x00002000 /* has CMPXCHG16B instruction */
#define CPUID2_xTPR 0x00004000 /* Task Priority Messages disabled? */
@ -214,7 +214,7 @@
#define CPUID2_FLAGS1 "\20" \
"\1" "SSE3" "\2" "PCLMULQDQ" "\3" "DTES64" "\4" "MONITOR" \
"\5" "DS-CPL" "\6" "VMX" "\7" "SMX" "\10" "EST" \
"\11" "TM2" "\12" "SSSE3" "\13" "CID" "\14" "B11" \
"\11" "TM2" "\12" "SSSE3" "\13" "CID" "\14" "SDBG" \
"\15" "FMA" "\16" "CX16" "\17" "xTPR" "\20" "PDCM" \
"\21" "B16" "\22" "PCID" "\23" "DCA" "\24" "SSE41" \
"\25" "SSE42" "\26" "X2APIC" "\27" "MOVBE" "\30" "POPCNT" \
@ -300,9 +300,14 @@
#define CPUID_DSPM_FLAGS1 "\20" "\1" "HWF" "\4" "EPB"
/*
* Intel Structured Extended Feature leaf
* Fn0000_0007 main leaf - %ebx.
* Intel Structured Extended Feature leaf Fn0000_0007
* %eax == 0: Subleaf 0
* %eax: The Maximun input value for supported subleaf.
* %ebx: Feature bits.
* %ecx: Feature bits.
*/
/* %ebx */
#define CPUID_SEF_FSGSBASE __BIT(0)
#define CPUID_SEF_TSC_ADJUST __BIT(1)
#define CPUID_SEF_BMI1 __BIT(3)
@ -337,17 +342,29 @@
"\32" "PT" "\33" "AVX512PF""\34" "AVX512ER"\
"\35" "AVX512CD""\36" "SHA"
/* %ecx */
#define CPUID_SEF_PREFETCHWT1 __BIT(0)
#define CPUID_SEF_PKU __BIT(3)
#define CPUID_SEF_OSPKE __BIT(4)
#define CPUID_SEF_FLAGS1 "\20" \
"\1" "PREFETCHWT1" "\4" "PKU" \
"\5" "OSPKE"
/*
* CPUID Processor extended state Enumeration Fn0000000d
*
* %ecx == 0: supported features info:
* %eax: Valid bits of lower 32bits of XCR0
* %ebx Save area size for features enabled in XCR0
* %ecx Maximim save area size for all cpu features
* %ebx: Maximum save area size for features enabled in XCR0
* %ecx: Maximim save area size for all cpu features
* %edx: Valid bits of upper 32bits of XCR0
*
* %ecx == 1:
* %eax: Bit 0 => xsaveopt instruction avalaible (sandy bridge onwards)
* %ebx: Save area size for features enabled by XCR0 | IA32_XSS
* %ecx: Valid bits of lower 32bits of IA32_XSS
* %edx: Valid bits of upper 32bits of IA32_XSS
*
* %ecx >= 2: Save area details for XCR0 bit n
* %eax: size of save area for this feature
@ -356,6 +373,7 @@
* All of %eax, %ebx, %ecx and %edx are zero for unsupported features.
*/
/* %ecx=1 %eax */
#define CPUID_PES1_XSAVEOPT 0x00000001 /* xsaveopt instruction */
#define CPUID_PES1_XSAVEC 0x00000002 /* xsavec & compacted XRSTOR */
#define CPUID_PES1_XGETBV 0x00000004 /* xgetbv with ECX = 1 */