blob: f4322141f313c41bab951585515367e866ab594f (
plain) (
blame)
1
2
3
4
5
6
7
8
9
10
11
|
<think>
Okay, I need to determine whether this QEMU bug is user-mode or system-mode related. The issue is that qemu-system-sparc64 sometimes gets stuck in an endless loop, hogging a CPU. From the GDB output, it's showing that it's inside code_gen_buffer and tcg_qemu_tb_exec functions.
Looking at the code snippets, these functions are part of the TCG (Translation Code Generation) component of QEMU. The TCG is responsible for translating machine code into intermediate representations which are then executed by the emulator. This process happens in user mode because it's handling guest CPU instructions and generating host code on-the-fly.
The fact that it's an endless loop suggests there might be a problem with how the translated code is being handled or generated, leading to infinite execution within the TCG layer. Since this involves low-level translation and execution without necessarily interacting with device models or OS-specific components, it seems more like a user-mode issue.
Therefore, I think this bug is related to user mode.
</think>
user
|