[0/8] hw: Fix some incomplete memory region size

Message

Philippe Mathieu-Daudé May 31, 2020, 5:38 p.m. UTC

memory_region_set_size() handle the 16 Exabytes limit by
special-casing the UINT64_MAX value.
This is not a problem for the 32-bit maximum, 4 GiB, but
in some places we incorrectly use UINT32_MAX instead of
4 GiB, and end up missing 1 byte in the memory region.

This series fixes the cases I encountered.
Also included few patches while reviewing, I replaced some
magic values by the IEC binary prefix equivalent.

Regards,

Phil.

Philippe Mathieu-Daudé (8):
  hw/arm/aspeed: Correct DRAM container region size
  hw/pci-host/prep: Correct RAVEN bus bridge memory region size
  hw/pci/pci_bridge: Correct pci_bridge_io memory region size
  hw/pci/pci_bridge: Use the IEC binary prefix definitions
  hw/pci-host: Use the IEC binary prefix definitions
  hw/hppa/dino: Use the IEC binary prefix definitions
  hw/i386/xen/xen-hvm: Use the IEC binary prefix definitions
  target/i386/cpu: Use the IEC binary prefix definitions

 hw/arm/aspeed.c         | 2 +-
 hw/hppa/dino.c          | 4 ++--
 hw/i386/xen/xen-hvm.c   | 3 ++-
 hw/pci-host/i440fx.c    | 3 ++-
 hw/pci-host/prep.c      | 2 +-
 hw/pci-host/q35.c       | 2 +-
 hw/pci-host/versatile.c | 5 +++--
 hw/pci/pci_bridge.c     | 7 ++++---
 target/i386/cpu.c       | 2 +-
 9 files changed, 17 insertions(+), 13 deletions(-)

Comments

Peter Maydell May 31, 2020, 7:48 p.m. UTC | #1

On Sun, 31 May 2020 at 18:38, Philippe Mathieu-Daudé <[e-mail]> wrote:
>
> memory_region_set_size() handle the 16 Exabytes limit by
> special-casing the UINT64_MAX value.
> This is not a problem for the 32-bit maximum, 4 GiB, but
> in some places we incorrectly use UINT32_MAX instead of
> 4 GiB, and end up missing 1 byte in the memory region.
>
> This series fixes the cases I encountered.
> Also included few patches while reviewing, I replaced some
> magic values by the IEC binary prefix equivalent.
>
> Regards,
>
> Phil.
>
> Philippe Mathieu-Daudé (8):
>   hw/arm/aspeed: Correct DRAM container region size
>   hw/pci-host/prep: Correct RAVEN bus bridge memory region size
>   hw/pci/pci_bridge: Correct pci_bridge_io memory region size
>   hw/pci/pci_bridge: Use the IEC binary prefix definitions
>   hw/pci-host: Use the IEC binary prefix definitions
>   hw/hppa/dino: Use the IEC binary prefix definitions
>   hw/i386/xen/xen-hvm: Use the IEC binary prefix definitions
>   target/i386/cpu: Use the IEC binary prefix definitions

whole series:
Reviewed-by: Peter Maydell <[e-mail]>

thanks
-- PMM