Rdmsr And Wrmsr Support

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RDMSR — Read from Model Specific Register

    https://www.felixcloutier.com/x86/rdmsr
    (On processors that support the Intel 64 architecture, the high-order 32 bits of each of RAX and RDX are cleared.) If fewer than 64 bits are implemented in the MSR being read, the values returned to EDX:EAX in unimplemented bit locations are undefined. ... The MSRs and the ability to read them with the RDMSR instruction were introduced into the ...

wrmsr (Write MSR) - Windows drivers Microsoft Docs

    https://docs.microsoft.com/en-us/windows-hardware/drivers/debugger/wrmsr--write-msr-
    wrmsr (Write MSR) 05/23/2017; 2 minutes to read; In this article. The wrmsr command writes a value to a Model-Specific Register (MSR) at the specified address.. wrmsr Address Value. Parameters. Address Specifies the address of the MSR. Value Specifies the 64-bit hexadecimal value to write to the MSR.

rdmsr (Read MSR) - Windows drivers Microsoft Docs

    https://docs.microsoft.com/en-us/windows-hardware/drivers/debugger/rdmsr--read-msr-
    Remarks. The rdmsr command can display MSR's on x86-based, Itanium-based, and x64-based platforms. The MSR definitions are platform-specific. See …

874627 – kvm: vcpu0 unhandled wrmsr, rdmsr

    https://bugzilla.redhat.com/show_bug.cgi?id=874627
    Bug 874627 - kvm: vcpu0 unhandled wrmsr, rdmsr. Summary: kvm: vcpu0 unhandled wrmsr, rdmsr ... Besides, RHEL maintainers' attention seems unattainable if/when users have Self-support. I'm not here asking for help; take the info if it's useful, otherwise ignore it like the KVM messages. According to Ubuntu's bug report, temporary workaround for ...

RDMSR Registers - Intel

    https://software.intel.com/en-us/forums/intel-c-compiler/topic/288720
    Hello, I hope that I'm not wrong in this forum - if yes please post me (a) link(s) to the right forum(s). Thanks. Ok, here's my question: I'm interested in cpu- and hardware close programming.By looking in my BIOS I found some strange RDMSR/WRMSR Register codes, which I couldn't find in any cpu developing manuals of Intel - Maybe could someone help me to (a link, an explanation) indentify it?

Error kvm : cpu0 unhandled wrmsr & unhandled rdmsr ...

    https://forum.proxmox.com/threads/error-kvm-cpu0-unhandled-wrmsr-unhandled-rdmsr.5046/
    Apr 27, 2011 · Hi all, I have aproblem restarting a guest on my proxmox machine. It runs for ages but since last week almost all guest are torn down. I see the following...

Linux读写CPU MSR寄存器命令rdmsr/wrmsr – Linux Kernel …

    http://ilinuxkernel.com/?p=255
    在Linux内核源码中提供了读写CPU MSR寄存器模块,使可以在用户空间直接读写MSR寄存器。 开源社区提供msr寄存器读写工具msrtools,其中有两个命令,rdmsr/wrmsr。

WRMSR — Write to Model Specific Register

    https://www.felixcloutier.com/x86/wrmsr
    The WRMSR instruction is a serializing instruction (see “Serializing Instructions” in Chapter 8 of the Intel® 64 and IA-32 Architectures Software Developer’s Manual, Volume 3A). Note that WRMSR to the IA32_TSC_DEADLINE MSR (MSR index 6E0H) and the X2APIC MSRs (MSR indices 802H to …

Error kvm : cpu0 unhandled wrmsr & unhandled rdmsr ...

    https://forum.proxmox.com/threads/error-kvm-cpu0-unhandled-wrmsr-unhandled-rdmsr.5046/page-2
    Nov 28, 2013 · Yes, we for one had this problem all the way from the beginning of the 2.6.3x series of kernels. Further back in the past we used other means of virtualization. Usually in the Debian boxes a "/etc/init.d/network" restart is enough to fix it. What's new though is that one machines which produce...

How To Read CPUID Instruction For Each CPU on Linux With ...

    https://www.cyberciti.biz/faq/linux-cpuid-command-read-cpuid-instruction-on-linux-for-cpu/
    Dec 14, 2015 · lscpu command – Show information on CPU architecture.; x86info command – Show x86 CPU diagnostics.; cpuid command – Dump CPUID information for each CPU. This is the closet tool to CPU-Z app on Linux. x86info. x86info is a program which displays a range of information about the CPUs present in an x86 system.



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