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[Qemu-devel] Using qemu to debug arm64 linux kernel
From: |
Xuebing wang |
Subject: |
[Qemu-devel] Using qemu to debug arm64 linux kernel |
Date: |
Mon, 03 Mar 2014 17:28:41 +0800 |
User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:24.0) Gecko/20100101 Thunderbird/24.3.0 |
Hi community,
I can think of 2 ways to use gdb+qemu to remotely debug arm64 kernel, by
enabling gdbstub within qemu to communicate with gdb.
I am wondering in the real-world practice, is this debug technique
helpful for debugging arm64 kernel?
Options are:
1) Host environment: qemu is running as kvm hypervisor
i) armv8 foundation model running arm64 kernel
ii) or a real armv8 Linux machine running arm64 kernel
Qemu guest environment: arm64 kernel
2) Host environment: x86 linux machine running qemu as tcg aarch64 emulator
Qemu guest environment: arm64 kernel
Prerequisite: qemu-aarch64 needs to be reliable.
-- Thanks,
Xuebing Wang
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