[v2] Fix reset issue with QEMU -machine q35

[SeaBIOS] [PATCH v2 0/2] Fix reset issue with QEMU -machine q35

Volker Rümelin posted 2 patches 2 years, 8 months ago

Diff against v1 v3
Download series mbox

Patches applied successfully (tree, apply log)
git fetch https://github.com/patchew-project/seabios tags/patchew/5c4518d8-36d4-1dd4-6841-f0aa157af886@t-online.de

There is a newer version of this series

src/fw/shadow.c | 16 +++++----
src/hw/pci.c    | 86 ++++++++++++++++++++++++++++++++++++++++++-------
src/hw/pci.h    | 19 ++++++++++-
3 files changed, 101 insertions(+), 20 deletions(-)

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[SeaBIOS] [PATCH v2 0/2] Fix reset issue with QEMU -machine q35

Posted by Volker Rümelin 2 years, 8 months ago

This reset issue was reported on the QEMU issue tracker at
https://gitlab.com/qemu-project/qemu/-/issues/766

A reset with QEMU -machine q35 -accel tcg leads to a reset loop
and with -machine q35 -accel kvm the reset only works because
KVM ignores the read-only semantics of the C-F segments.

Details about the issue are in "reset: force standard PCI
configuration access".

v2:
The commit message of patch "reset: force standard PCI config-
uration access" now uses the correct PCI configuration register
name PCIEXBAR.

Volker Rümelin (2):
   pci: refactor the pci_config_*() functions
   reset: force standard PCI configuration access

  src/fw/shadow.c | 16 +++++----
  src/hw/pci.c    | 86 ++++++++++++++++++++++++++++++++++++++++++-------
  src/hw/pci.h    | 19 ++++++++++-
  3 files changed, 101 insertions(+), 20 deletions(-)

-- 
2.34.1
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