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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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