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OvmfPkg/Bhyve: use a proper PCI IO range

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Bhyve uses an io port range of [ 0x2000, 0x10000 ] [1]. At the moment,
EDKII is using a subset of this range [ 0xC000, 0x10000 ] [2]. Even
though the EDKII range doesn't exceed the bhyve range, it's causing
issues on some guests like OpenBSD [3]. We don't know why it's causing
issues yet. However, using the same IO port range in EDKII fixes the
issue and is a good idea anyway.

[1] 82ea0132c8/usr.sbin/bhyve/pci_emul.c (L133-L134)
[2] fb044b7fe8/OvmfPkg/Bhyve/PlatformPei/Platform.c (L156-L157)
[3] https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=274389

Signed-off-by: Corvin Köhne <corvink@FreeBSD.org>
Reviewed-by: Laszlo Ersek <lersek@redhat.com>
Reviewed-by: Rebecca Cran <rebecca@bsdio.com>
Cc: Ard Biesheuvel <ardb+tianocore@kernel.org>
Cc: Gerd Hoffmann <kraxel@redhat.com>
Cc: Liming Gao <gaoliming@byosoft.com.cn>
Cc: Jiewen Yao <jiewen.yao@intel.com>
This commit is contained in:
Corvin Köhne 2023-11-20 08:24:53 +01:00 committed by mergify[bot]
parent 553dfb0f57
commit 238690a30d
1 changed files with 2 additions and 2 deletions
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4
OvmfPkg/Bhyve/PlatformPei/Platform.c
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@ -153,8 +153,8 @@ MemMapInitialization (
UINT64 PciIoSize;
RETURN_STATUS PcdStatus;
PciIoBase = 0xC000;
PciIoSize = 0x4000;
PciIoBase = 0x2000;
PciIoSize = 0xE000;
//
// Create Memory Type Information HOB