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[Bug 1881249] Re: CPU fetch from unpopulated ROM on reset
From: |
Peter Maydell |
Subject: |
[Bug 1881249] Re: CPU fetch from unpopulated ROM on reset |
Date: |
Thu, 05 Nov 2020 10:56:03 -0000 |
** Changed in: qemu
Status: New => Confirmed
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https://bugs.launchpad.net/bugs/1881249
Title:
CPU fetch from unpopulated ROM on reset
Status in QEMU:
Confirmed
Bug description:
Some architectures fetch the $PC/$SP register as vectors in memory, usually
ROM.
The CPU reset() handler is called before the ROM code is populated, resulting
in fetching incorrect PC/SP.
Architectures affected:
- M68K
- RX
- ARM M-profile
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