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Thinking Kernel Mode ExAllocatePoolWithTag(KMScrapPad, sizeof(KMSCRAP), TAG_TKM); March 2008 Entries
X64 Assembly Code in Windows Drivers
Writing asm code for 32 bit drivers is straightforward. You can embed the code in an __asm { } block. void DemoFunction() { __asm { mov eax, 0x01 ; more assembly } } But writing assembly in 64 bit driver source code requires a bit more work. The 64 bit compiler will not allow inline assembly. The assembly code will have to be moved to a seperate assembly module (an .asm file). Step 1 : Write necessary assembly routines in a seperate .asm file Example : Test.asm ---------------------------... ......

Posted On Friday, March 7, 2008 2:27 AM

X64 Calling
Computers with 64 bit processors are becoming popular, at least in enterprise circles. Also the X64 version of Windows Vista is more popular than Windows XP 64 bit edition. 2 Types of 64 bit architecture Yes, unlike 32 bit (aka X32) there are 2 64 bit architectures: AMD's X64 ; also known as X32-64 & AMD64 Intel's IA-64; also known as Itanium The subject of this post is AMD's 64 bit chip, which is commonly referred to as X64 So, whats the difference ? The X64 architecture is a super set of X32 ......

Posted On Thursday, March 6, 2008 7:13 PM

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