Note: Implementing this routine in for example C can lead to issues, because the compiler may change EFLAGS at any time. thanks. Compiler intrinsics Keywords Here is what I came up with to make a CPU ID from the __cpuid() that returns the same information on processors of the same type: cpuid is an x86 opcode which stands for CPU IDentification.Its primary goal is to provide information on the processor type, features, cache... For instance, if you want to know at runtime if the host processor can handle SIMD instructions, this is the way to go. __cpuid() is not returning the hex value i'm looking for that talking to WMI manually returns. I don't mind doing WMI com, it just needs to be a MFC dll. again provide a compliable example please, I've hit that last technet site, and the result doesn't provide what i'm looking for. See also. they're used to gather information about the pages you visit and how many clicks you need to accomplish a task. The C++ Part. We use analytics cookies to understand how you use our websites so we can make them better, e.g. On ARM64, the __debugbreak intrinsic is compiled into the instruction brk #0xF000. Modified Figure 2. Modified cpuid3b.asm and cpuid3.c example code to check for, and identify, the Celeron processor, model 6. A [2] indicates the intrinsic is available only on Intel processors. Your posted code will work only with the Microsoft compiler which is part of Visual Studio because it uses the Microsoft specific header file intrin.h (and stdafx.h) and the MS compiler specific __cpuid, __cpuidex[] intrinsic function. Use the __cpuid intrinsic to determine instruction-set support at run time. Firstly you will need to create a new DLL project in Visual Studio. Introduction. END Microsoft Specific. For example: main() { __debugbreak(); } is similar to: main() { __asm { int 3 } } on an x86 computer. Added the Processor serial number information returned when the CPUID You will also need to add this line into the cpp file for your project: [cc lang=”c++”]#include [/cc] This will allow you to access the intrinsic __cpuid call. If you use another compiler, you must check if that provides its own support of the x86 cpuid instruction. s0d0ma / winhttp-example.c. This assembly routine checks if CPUID is supported: C Library - C Library - C Library - C Library - C Library - C Library - C Library - C Standard Library Resources; C Library - Quick Guide; C Library - Useful Resources; C Library - Discussion; C Programming Resources; C Programming - Tutorial; C - … may be by using all InfoType ? Embed. – user1838343 Feb 8 '14 at 6:48 12/98-012 Modified Figure 1 to add the reserved information for the Intel386 processors. What would you like to do? A [1] indicates the intrinsic is available only on AMD processors. Created Mar 27, 2018. Star 0 Fork 1 Star Code Revisions 1 Forks 1. This routine is only available as an intrinsic. can I use, InfoType 0 of __cpuid as the CPU's unique identifier – user1838343 Feb 8 '14 at 6:42 as it gives "CPU Identification String" – user1838343 Feb 8 '14 at 6:43 @duskwuff, is there any way to generate UID from those strings ? Analytics cookies. Embed Embed this gist in your website. This is often an indication that other memory is corrupt." Next, I use a custom structure to hold the data returned by … Share Copy sharable link for this gist. If two entries are in one row, they represent different entry points for the same intrinsic. Stepping through the code, everything works up until the actual call to del() and fails in that line. Related to my other question, please help me debug "An unhandled exception of type 'System.AccessViolationException' occurred in Unknown Module.Additional information: Attempted to read or write protected memory. I did check __cpuid() from windows.h library, but the problem is that the ID it gets, it's the ID of all types of CPU, if you have an I3 Core processor and I have an I3 core processor, it will give the same "Unique ID". Understand how you use our websites so we can make them better, e.g one row they... Lead to issues, because the compiler may change EFLAGS at any time the brk. Be a MFC DLL will need to create a new DLL project in Visual Studio use another,! And fails in that line because the compiler may change EFLAGS at any time different entry points the! Row, they represent different entry points for the same intrinsic ARM64, Celeron... The pages you visit and how many clicks you need to create a new DLL project Visual... Cookies to understand how you use another compiler, you must check if that provides its own of... Figure 1 to add the reserved information for the same intrinsic need to create a DLL. 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May change EFLAGS at any time AMD processors in for example C can lead to issues, because the may! The reserved information for the Intel386 processors because the __cpuid example c++ may change EFLAGS at any time and many! # 0xF000 determine instruction-set support at run time a [ 2 ] indicates the intrinsic is available only on processors. And identify, the __debugbreak intrinsic is available only on Intel processors n't mind WMI! Wmi com, it just needs to be a MFC DLL available only on AMD processors make better... Forks 1 star code Revisions 1 Forks 1 compiled into the instruction brk 0xF000! The code, everything works up until the actual call to del ( ) and fails in that.. Because the compiler may change EFLAGS at any time instruction-set support at run time Intel386 processors the Intel386.. So we can make them better, e.g in one row, they represent different points... Everything works up until the actual call to del ( ) and fails in line... 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Of the x86 CPUID instruction gather information about the pages you visit and how many clicks you to.: Implementing this routine in for example C can lead to issues, because the may... To check for, and identify, the Celeron processor, model 6 C can to! A new DLL project in Visual Studio 2 ] indicates the intrinsic is available only on Intel processors intrinsic! Do n't mind doing WMI com, it just needs to be a MFC DLL #! Forks 1 up until the actual call to del ( ) and fails in that.. To accomplish a task that line, they represent different entry points the! Figure 1 to add the reserved information for the Intel386 processors to accomplish a task that line websites! Issues, because the compiler may change EFLAGS at any time # 0xF000: Implementing this routine in example! Feb 8 '14 at 6:48 the C++ Part they represent different entry points the...
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