RiscV Debugging With QEMU, GDB, and VSCode

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I walk through debugging a bare-metal hello world C program for the Risc-V architecture running under QEMU. I discuss using the GDB client and give bonus coverage for setting up VSCode to use the interactive debugger.

Resources

Footnote
  1. Chuck's Tech Talk
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Комментарии
Автор

It is wired that my vscode doesn't display registers on the variables when i run the same launch.json and tasks.json files. I don't know whate the problem is. Actually, there is a "Locals" and "Registers" below "VARIABLES", but there is nothing below "Registers", where I expect "cpu" etc.

一枚小P孩
Автор

@chuckbenedict7235 thank you for this helpful video. At the first time I run debug mode on qemu using vscode and i've got this error. can you help me? I am using ubuntu Ubuntu 22.04.4 LTS . This is my terminal:

Reading symbols from hello.elf...
Remote debugging using :1234
warning: while parsing target description (at line 1): Target description specified unknown architecture "riscv:rv32"
warning: Could not load XML target description; ignoring
Truncated register 22 in remote 'g' packet
(gdb) b _start
Breakpoint 1 at file start.s, line 9.
(gdb) c
The program is not being run.
(gdb)

tuanluu