Michael Petch

Michael Petch has asked 11 questions and find answers to 322 problems.

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About

Software engineer and software architect. I can be reached at [email protected].

Michael Petch questions

What do the constraints "Rah" and "Ral" mean in extended inline assembly?
Solution needed for building a static IDT and GDT at assemble/compile/link time
Understanding Inline assembly in a pre-processor macro vs Inline assembly in a function
GCC code that seems to break inline assembly rules but an expert believes otherwise
Problem switching to v8086 mode from 32-bit protected mode by setting EFLAGS.VM to 1
Near call/jump tables don't always work in a bootloader
Should using MOV instruction to set SS to 0x0000 cause fault #GP(0) in 64-bit mode?
Legacy BIOS bootloader to bootstrap real-mode code in second stage

Michael Petch answers

Segmented far pointer allocation in 16bit x86 MS-DOS real mode
How to write multiple assembly statements within asm() without "\t\n" separating each line using GCC?
creating constant jump table; xcode; clang; asm
how to avoid caching when writing to mmio registers?
Cycle Through and Print argv[] in x64 ASM
socket.error: [Errno 111] when trying to connect to a socket
Cannot set GS register in Protected Mode
Disk Read Function not Working as Expected in Bootloader
What are DI, EI, and UP instructions(?) in original MS-DOS source code?
How can I use bufferoverflow to both execute a program remotely and write the output to a socket?