Vol. 3C 35-95
MODEL-SPECIFIC REGISTERS (MSRS)
N-1:0
LOG_PROC_STATE (SMM-RO)
Each bit represents a processor core of its blocked state to service
an SMI. The corresponding bit will be set if the logical processor is
in one of the following states: Wait For SIPI or SENTER Sleep.
The reset value of this field is 0FFFH.
Only bit positions below N = CPUID.(EAX=0BH,
ECX=PKG_LVL):EBX[15:0] can be updated.
63:N
Reserved
500H
1280
IA32_SGX_SVN_STATUS
Core
Status and SVN Threshold of SGX Support for ACM (RO).
0
Lock. See Section 42.11.3, “Interactions with Authenticated Code
15:1
Reserved.
23:16
SGX_SVN_SINIT. See Section 42.11.3, “Interactions with
Authenticated Code Modules (ACMs)”
63:24
Reserved.
560H
1376
IA32_RTIT_OUTPUT_BASE
Core
Trace Output Base Register (R/W). See Table 35-2.
561H
1377
IA32_RTIT_OUTPUT_MASK
_PTRS
Core
Trace Output Mask Pointers Register (R/W). See Table 35-2.
570H
1392
IA32_RTIT_CTL
Core
Trace Control Register (R/W)
0
TraceEn
1
CYCEn
2
OS
3
User
6:4
Reserved, MBZ
7
CR3 filter
8
ToPA; writing 0 will #GP if also setting TraceEn
9
MTCEn
10
TSCEn
11
DisRETC
12
Reserved, MBZ
13
BranchEn
17:14
MTCFreq
18
Reserved, MBZ
22:19
CYCThresh
23
Reserved, MBZ
27:24
PSBFreq
31:28
Reserved, MBZ
35:32
ADDR0_CFG
39:36
ADDR1_CFG
63:40
Reserved, MBZ.
Table 35-12. MSRs in Next Generation Intel Atom Processors Based on the Goldmont Microarchitecture (Contd.)
Address
Register Name
Scope
Bit Description
Hex
Dec