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Model-specific register - Wikipedia
https://en.wikipedia.org/wiki/Model-specific_regis ...
A model-specific register (MSR) is any of various control registers in the x86 instruction set used for debugging, program execution tracing, computer performance monitoring, and toggling certain CPU features.
Machine state register - Wikipedia
https://en.wikipedia.org/wiki/Machine_state_regist ...
While the machine state register found in the PowerPC architecture and the model-specific registers found in IA-32 and x86 64 architectures fulfill similar functions and the initialism ...
Model Specific Registers - OSDev Wiki
https://wiki.osdev.org/Model_Specific_Registers
Jun 8, 2017 ... Processors from the P6 family onwards (including PentiumPro, Pentium II, III, 4 and Intel Core) have a collection of registers that allow configuration of OS- relevant things such as memory type-range, sysenter/sysexit, local ...
Model-Specific Registers (MSRs)
http://www.cs.inf.ethz.ch/stricker/lab/doc/intel-p ...
Table B-1 lists the model-specific registers (MSRs) that can be read with the RDMSR and written with the WRMSR instructions. Register addresses are given in both hexadecimal and decimal; the register name is the mnemonic register name; ...
RDMSR — Read from Model Specific Register
https://www.felixcloutier.com/x86/rdmsr
Reads the contents of a 64-bit model specific register (MSR) specified in the ECX register into registers EDX:EAX. (On processors that support the Intel 64 architecture, the high-order 32 bits of RCX are ignored.) The EDX register is loaded with ...
WRMSR — Write to Model Specific Register
https://www.felixcloutier.com/x86/wrmsr
Description ¶. Writes the contents of registers EDX:EAX into the 64-bit model specific register (MSR) specified in the ECX register. (On processors that support the Intel 64 architecture, the high-order 32 bits of RCX are ignored.) The contents of ...
Model- Specific Registers (MSRs)
https://xem.github.io/minix86/manual/intel-x86-and ...
MODEL-SPECIFIC REGISTERS (MSRS). This chapter lists MSRs across Intel processor families. All MSRs listed can be read with the RDMSR and written with the WRMSR instructions. Register addresses are given in both hexadecimal and  ...
sandpile.org -- x86 architecture -- model specific registers
https://www.sandpile.org/x86/msr.htm
note: The model specific registers depend on the implementation. ... Memory Type Range Registers. name, 6 3, 6 2, 6 1, 6 0, 5 9, 5 8, 5 7, 5 6, 5 5, 5 4, 5 3, 5 2, 5 1, 5 0, 4 9, 4 8, 4 7, 4 6, 4 5, 4 4, 4 3, 4 2, 4 1, 4 0, 3 9, 3 8, 3 7, 3 6, 3 5, 3 4, 3 3, 3
How do x86 CPUs use the model-specific registers? - Quora
https://www.quora.com/How-do-x86-CPUs-use-the-mode ...
Oct 6, 2014 ... On the x86 (and x86-64) architecture the MSRs are a set of 64-bits registers which are mainly used to get information (about performance & debug) on the processor or to configure it. The concept of MSR appeared with the ...
RDMSR: Read from Model Specific Register (x86 Instruction Set ...
https://mudongliang.github.io/x86/html/file_module ...
Description. Loads the contents of a 64-bit model specific register (MSR) specified in the ECX register into registers EDX:EAX. The input value loaded into the ECX register is the address of the MSR to be read. The EDX register is loaded with ...