Vol. 3C 35-257
MODEL-SPECIFIC REGISTERS (MSRS)
6D9H
1753
MSR_
LASTBRANCH_25_TO_IP
Thread
Last Branch Record 25 To IP (R/W)
See description of MSR_LASTBRANCH_0_TO_IP.
6DAH
1754
MSR_
LASTBRANCH_26_TO_IP
Thread
Last Branch Record 26 To IP (R/W)
See description of MSR_LASTBRANCH_0_TO_IP.
6DBH
1755
MSR_
LASTBRANCH_27_TO_IP
Thread
Last Branch Record 27 To IP (R/W)
See description of MSR_LASTBRANCH_0_TO_IP.
6DCH
1756
MSR_
LASTBRANCH_28_TO_IP
Thread
Last Branch Record 28 To IP (R/W)
See description of MSR_LASTBRANCH_0_TO_IP.
6DDH
1757
MSR_
LASTBRANCH_29_TO_IP
Thread
Last Branch Record 29 To IP (R/W)
See description of MSR_LASTBRANCH_0_TO_IP.
6DEH
1758
MSR_
LASTBRANCH_30_TO_IP
Thread
Last Branch Record 30 To IP (R/W)
See description of MSR_LASTBRANCH_0_TO_IP.
6DFH
1759
MSR_
LASTBRANCH_31_TO_IP
Thread
Last Branch Record 31 To IP (R/W)
See description of MSR_LASTBRANCH_0_TO_IP.
770H
1904
IA32_PM_ENABLE
Package
See Section 14.4.2, “Enabling HWP”
771H
1905
IA32_HWP_CAPABILITIES
Thread
See Section 14.4.3, “HWP Performance Range and Dynamic
772H
1906
IA32_HWP_REQUEST_PKG
Package
See Section 14.4.4, “Managing HWP”
773H
1907
IA32_HWP_INTERRUPT
Thread
See Section 14.4.6, “HWP Notifications”
774H
1908
IA32_HWP_REQUEST
Thread
See Section 14.4.4, “Managing HWP”
7:0
Minimum Performance (R/W).
15:8
Maximum Performance (R/W).
23:16
Desired Performance (R/W).
31:24
Energy/Performance Preference (R/W).
41:32
Activity Window (R/W).
42
Package Control (R/W).
63:43
Reserved.
777H
1911
IA32_HWP_STATUS
Thread
See Section 14.4.5, “HWP Feedback”
D90H
3472
IA32_BNDCFGS
Thread
See Table 35-2.
DA0H
3488
IA32_XSS
Thread
See Table 35-2.
DB0H
3504
IA32_PKG_HDC_CTL
Package
See Section 14.5.2, “Package level Enabling HDC”
DB1H
3505
IA32_PM_CTL1
Thread
See Section 14.5.3, “Logical-Processor Level HDC Control”
DB2H
3506
IA32_THREAD_STALL
Thread
See Section 14.5.4.1, “IA32_THREAD_STALL”
Table 35-37. Additional MSRs Supported by 6th Generation Intel® Core™ Processors Based on Skylake
Microarchitecture
Register
Address
Register Name
Scope
Bit Description
Hex
Dec