CN107133138A - The instrument that Intel CPU Msr registers are read under a kind of shell is realized and application method - Google Patents

Abstract

The invention discloses a tool implementation and usage method for reading Intel CPU Msr registers under a shell. The implementation process is as follows: firstly, a programming environment is selected, and a data packet is created; File, write code tags; after completion, compile and generate a tool for reading Intel CPU Msr registers in cmd. Under a kind of shell of the present invention, the tool realization and using method of reading Intel CPU Msr register are compared with prior art, be applicable to the test and debug of reading the Msr register of Intel CPU, do not need serial device and control terminal machine platform, save Save time, reduce cost, the whole implementation process only needs to be run under the shell, no other additional equipment is needed, it is simple, convenient and practical.

Description

Implementation and use of a tool for reading Intel CPU Msr registers under the shell method

technical field

The invention relates to the technical field of computer servers, in particular to a tool realization and usage method for reading Intel CPU Msr registers under a shell.

Background technique

Servers are now used in many fields, especially in the Internet field. The options under the server BIOS setup will be associated with the Intel CPU Msr register. During the test, some options need to be determined whether they are consistent with the parameters of the register, which requires reading the data of the register; in addition, when the option has a functional defect, it also needs to be confirmed. Register data for debugging. The traditional method is to use the serial port cable and the control terminal device to export the serial port information, and then check the serial port information to obtain the register data, which is time-consuming and laborious.

Based on this, the present invention provides a tool realization and usage method for reading the Intel CPU Msr register under the shell.

Contents of the invention

The technical task of the present invention is to provide a kind of tool realization and using method of reading Intel CPU Msr register under the shell to the above deficiencies.

A tool implementation method for reading Intel CPU Msr registers under a shell, the implementation process is: firstly select a programming environment, create a data package; then create files in .dec, .dsc, .inf, and .c formats in the data package, Write the code label; after completion, compile and generate a tool for reading the Intel CPU Msr register in cmd.

The process of creating .dec, .dsc, .inf, and .c format files is as follows: create a data package package file named ReadMsrPkg in the programming environment, open the folder to create Include, ReadMsr folders, and then create ReadMsrPkg.dec, ReadMsrPkg.dsc file, create ReadMsr.c and ReadMsr.inf files in ReadMsr.

The process of compiling and generating the tool to read the Intel CPU Msr register is:

Write the main program to read the Intel Msr register in ReadMsr.c;

Add the .c file and the called .dec file in the ReadMsr.inf file;

Add the .inf file to be compiled in the ReadMsrPkg.dec file;

Add the created package to the definition of the ReadMsrPkg.dsc file;

After the completion, enter cmd in the running, enter the compilation environment, compile the .dsc file, and find the created ReadMsr.efi file after the compilation is completed, which is a tool for reading the Msr register of the Intel CPU under the shell.

Obtaining the effective address of the register to be read refers to obtaining the offset of the msr register searched by the user through the above ReadMsr.efi file.

A method for using a tool for reading Intel CPU Msr registers under a shell, the implementation steps of which are as follows:

1. First select the programming environment, create a data package, create .dec, .dsc, .inf, .c format files in the data package, write code tags, and compile in cmd to generate a tool for reading Intel CPU Msr registers ;

2. Store the tool in the removable medium and enter the shell;

3. Read the removable media in the shell environment, and open the reading tool generated by compilation;

4. Obtain the effective address of the register to be read, run the read tool in the shell environment, and input the effective range of the read register;

5. Complete the reading of the register through the reading tool.

The mobile medium adopts one of a U disk, a mobile hard disk, and a memory card.

The process of creating .dec, .dsc, .inf, and .c format files in step 1 is: create a data package package file named ReadMsrPkg in the programming environment, open the folder to create Include, ReadMsr folders, and then create ReadMsrPkg.dec , ReadMsrPkg.dsc file, and create ReadMsr.c and ReadMsr.inf files in ReadMsr.

The process of compiling and generating the tool to read the Intel CPU Msr register is:

Write the main program to read the Intel Msr register in ReadMsr.c;

Add the .c file and the called .dec file in the ReadMsr.inf file;

Add the .inf file to be compiled in the ReadMsrPkg.dec file;

Add the created package to the definition of the ReadMsrPkg.dsc file;

After the completion, enter cmd in the running, enter the compilation environment, compile the .dsc file, and find the created ReadMsr.efi file after the compilation is completed, which is a tool for reading the Msr register of the Intel CPU under the shell.

Obtaining the effective address of the register to be read refers to obtaining the offset of the msr register searched by the user through the above ReadMsr.efi file.

Under a kind of shell of the present invention, read the tool implementation of Intel CPU Msr register and use method compared with prior art, have following beneficial effect:

A kind of tool realization and using method of reading Intel CPU Msr register under a kind of shell of the present invention is applicable to the test and debug of reading the Msr register of Intel CPU, does not need serial device and control end machine, saves time, reduces cost, and the whole The implementation process only needs to be run under the shell, without other additional equipment, simple and convenient, strong practicability, wide application range, and good promotion and application value.

detailed description

The present invention will be further described below in conjunction with specific examples.

A tool implementation and usage method for reading Intel CPU Msr registers under the shell, using a virtualization platform to build a virtual machine to simulate a real server device, and using a test script on the virtual machine to run the test script, thereby completing a certain Perform IO performance tests on storage devices.

A tool implementation method for reading Intel CPU Msr registers under a shell, the implementation process is: firstly select a programming environment, create a data package; then create files in .dec, .dsc, .inf, and .c formats in the data package, Write the code label; after completion, compile and generate a tool for reading the Intel CPU Msr register in cmd.

The process of creating .dec, .dsc, .inf, and .c format files is as follows: create a data package package file named ReadMsrPkg in the programming environment, open the folder to create Include, ReadMsr folders, and then create ReadMsrPkg.dec, ReadMsrPkg.dsc file, create ReadMsr.c and ReadMsr.inf files in ReadMsr.

The process of compiling and generating the tool to read the Intel CPU Msr register is:

Write the main program to read the Intel Msr register in ReadMsr.c;

Add the .c file and the called .dec file in the ReadMsr.inf file;

Add the .inf file to be compiled in the ReadMsrPkg.dec file;

Add the created package to the definition of the ReadMsrPkg.dsc file;

After the completion, enter cmd in the running, enter the compilation environment, compile the .dsc file, and find the created ReadMsr.efi file after the compilation is completed, which is a tool for reading the Msr register of the Intel CPU under the shell.

Obtaining the effective address of the register to be read refers to obtaining the offset of the msr register searched by the user through the above ReadMsr.efi file.

Example:

Create a package file in the MyWorkSpace folder of EDKⅡ and name it ReadMsrPkg, open the folder to create Include and ReadMsr folders, then create ReadMsrPkg.dec and ReadMsrPkg.dsc files, and create ReadMsr.c and ReadMsr.inf files in ReadMsr.

Write the main program for reading the Intel Msr register in ReadMsr.c, and all the .h files called need to be attached to the program.

Add the .c file and the called .dec file in the ReadMsr.inf file.

Add the .inf file to be compiled in the ReadMsrPkg.dec file.

Add the created package to the definition of the ReadMsrPkg.dsc file.

After the completion, enter cmd in the running, enter the compilation environment, compile the .dsc file, and find the created ReadMsr.efi file in the build file of MyWorkSpace after the compilation is completed, which is a tool for reading the Msr register of IntelCPU under the shell.

A method for using a tool for reading Intel CPU Msr registers under a shell, the implementation steps of which are as follows:

1. First select the programming environment, create a data package, create .dec, .dsc, .inf, .c format files in the data package, write code tags, and compile in cmd to generate a tool for reading Intel CPU Msr registers ;

2. Store the tool in the removable medium and enter the shell;

3. Read the removable media in the shell environment, and open the reading tool generated by compilation;

4. Obtain the effective address of the register to be read, run the read tool in the shell environment, and input the effective range of the read register;

5. Complete the reading of the register through the reading tool.

The mobile medium adopts one of a U disk, a mobile hard disk, and a memory card.

The process of creating .dec, .dsc, .inf, and .c format files in step 1 is: create a data package package file named ReadMsrPkg in the programming environment, open the folder to create Include, ReadMsr folders, and then create ReadMsrPkg.dec , ReadMsrPkg.dsc file, and create ReadMsr.c and ReadMsr.inf files in ReadMsr.

The process of compiling and generating the tool to read the Intel CPU Msr register is:

Write the main program to read the Intel Msr register in ReadMsr.c;

Add the .c file and the called .dec file in the ReadMsr.inf file;

Add the .inf file to be compiled in the ReadMsrPkg.dec file;

Add the created package to the definition of the ReadMsrPkg.dsc file;

After the completion, enter cmd in the running, enter the compilation environment, compile the .dsc file, and find the created ReadMsr.efi file after the compilation is completed, which is a tool for reading the Msr register of the Intel CPU under the shell.

Obtaining the effective address of the register to be read refers to obtaining the offset of the msr register searched by the user through the above ReadMsr.efi file.

Example:

The present invention uses the MyWorkSpace programming environment of EDKⅡ to create its own package, create files in .dec, dsc, .inf, and .c formats in the package, write code, and compile and generate .efi files in cmd after completion. The .efi file is read A tool for fetching Intel CPU Msr registers.

Put the tool on the U disk and enter the shell.

Open the U disk under Shell: fxX (X: stands for 0,1,2…)->ls, you will see the tool ReadMsr.efi.

Determine the offset of the register you want to read according to the CPU spec search, and then run the tool under the shell. Run ReadMsr.efi under the shell - it will prompt the effective range of the input offset.

Run ReadMsr.efi offset (offset is the offset of the msr register that the user wants to find, it must be a valid register)

Note: offset must be the address of a valid register, if it is not a valid address, it will cause a crash.

Through the above specific implementation manners, those skilled in the technical field can easily realize the present invention. However, it should be understood that the present invention is not limited to the specific embodiments described above. On the basis of the disclosed embodiments, those skilled in the art can arbitrarily combine different technical features, so as to realize different technical solutions.

Except for the technical features described in the instructions, all are known technologies by those skilled in the art.

Claims (9)

1. under a kind of shell, read the tool realization method of Intel CPU Msr register, it is characterized in that, its realization process is: at first select programming environment, create data packet; Create .dec, .dsc, .inf, .c format file, write the code label; after completion, compile in cmd to generate a tool for reading the Intel CPU Msr register. 2. under a kind of shell according to claim 1, read the tool realization method of Intel CPU Msr register, it is characterized in that, the described process of creating .dec, .dsc, .inf, .c format file is: in programming Create a data package package file in the environment named ReadMsrPkg, open the folder to create Include, ReadMsr folders, then create ReadMsrPkg.dec, ReadMsrPkg.dsc files, and create ReadMsr.c, ReadMsr.inf files in ReadMsr. 3. under a kind of shell according to claim 2, read the tool implementation method of Intel CPU Msr register, it is characterized in that, compile and generate and read the tool process of Intel CPU Msr register as: Write the main program to read the Intel Msr register in ReadMsr.c; Add the .c file and the called .dec file in the ReadMsr.inf file; Add the .inf file to be compiled in the ReadMsrPkg.dec file; Add the created package to the definition of the ReadMsrPkg.dsc file; After the completion, enter cmd in the running, enter the compilation environment, compile the .dsc file, and find the created ReadMsr.efi file after the compilation is completed, which is a tool for reading the Msr register of the Intel CPU under the shell. 4. the implement method of reading Intel CPU Msr register under a kind of shell according to claim 3 is characterized in that, obtaining the effective address of the register to be read refers to by above-mentioned ReadMsr.efi file, obtains the user to search The offset of the msr register. 5. a method for using a tool for reading the Intel CPU Msr register under a shell, characterized in that, its implementation steps are: 1. First select the programming environment, create a data package, create .dec, .dsc, .inf, .c format files in the data package, write code tags, and compile in cmd to generate a tool for reading Intel CPU Msr registers ; 2. Store the tool in the removable medium and enter the shell; 3. Read the removable media in the shell environment, and open the reading tool generated by compilation; 4. Obtain the effective address of the register to be read, run the read tool in the shell environment, and input the effective range of the read register; 5. Complete the reading of the register through the reading tool. 6. the tool usage method of reading the Intel CPU Msr register under a kind of shell according to claim 5, is characterized in that, described mobile medium adopts a kind of in U disk, mobile hard disk, memory card. 7. the tool usage method of reading Intel CPU Msr register under a kind of shell according to claim 5, it is characterized in that, the process of creating .dec, .dsc, .inf, .c format files in step 1 is: in Create a data package package file in the programming environment and name it ReadMsrPkg, open the folder to create the Include and ReadMsr folders, then create ReadMsrPkg.dec and ReadMsrPkg.dsc files, and create ReadMsr.c and ReadMsr.inf files in ReadMsr. 8. under a kind of shell according to claim 7, read the tool usage method of Intel CPU Msr register, it is characterized in that, compile and generate and read the tool process of Intel CPU Msr register as: Write the main program to read the Intel Msr register in ReadMsr.c; Add the .c file and the called .dec file in the ReadMsr.inf file; Add the .inf file to be compiled in the ReadMsrPkg.dec file; Add the created package to the definition of the ReadMsrPkg.dsc file; After the completion, enter cmd in the running, enter the compilation environment, compile the .dsc file, and find the created ReadMsr.efi file after the compilation is completed, which is a tool for reading the Msr register of the Intel CPU under the shell. 9. the method for using the tool for reading the Intel CPU Msr register under a kind of shell according to claim 8, is characterized in that, obtaining the effective address of the register to be read refers to obtaining the user's search by the above-mentioned ReadMsr.efi file The offset of the msr register.