From: "Michael D Kinney" <michael.d.kinney@intel.com>
To: devel@edk2.groups.io
Cc: Hao A Wu <hao.a.wu@intel.com>, Ray Ni <ray.ni@intel.com>,
Star Zeng <star.zeng@intel.com>
Subject: [Patch 1/1] MdeModulePkg/Bus/Pci/PciBusDxe: Support platform PCI ROM override
Date: Fri, 21 Jan 2022 17:40:56 -0800 [thread overview]
Message-ID: <20220122014056.1367-1-michael.d.kinney@intel.com> (raw)
REF: https://bugzilla.tianocore.org/show_bug.cgi?id=3811
Remove ASSERT() statements that are triggered if a platform provides
an override of PCI ROM attached to a PCI Controller. The PCI Platform
Protocol allows the platform to provide a PCI ROM image for a PCI
Controller. This works for PCI Controllers that do not have an attached
PCI ROM, but the platform is not allowed to replace the PCI ROM for a
PCI Controller that has its own PCI ROM. Removing these ASSERT()
statements enables this additional use case.
Cc: Hao A Wu <hao.a.wu@intel.com>
Cc: Ray Ni <ray.ni@intel.com>
Cc: Star Zeng <star.zeng@intel.com>
Signed-off-by: Michael D Kinney <michael.d.kinney@intel.com>
---
MdeModulePkg/Bus/Pci/PciBusDxe/PciRomTable.c | 5 ++---
1 file changed, 2 insertions(+), 3 deletions(-)
diff --git a/MdeModulePkg/Bus/Pci/PciBusDxe/PciRomTable.c b/MdeModulePkg/Bus/Pci/PciBusDxe/PciRomTable.c
index 5535bd3013b8..cb845ec2b186 100644
--- a/MdeModulePkg/Bus/Pci/PciBusDxe/PciRomTable.c
+++ b/MdeModulePkg/Bus/Pci/PciBusDxe/PciRomTable.c
@@ -58,10 +58,9 @@ PciRomAddImageMapping (
{
//
// Expect once RomImage and RomSize are recorded, they will be passed in
- // later when updating ImageHandle
+ // later when updating ImageHandle. They may also be updated with new
+ // values if the platform provides an override of RomImage and RomSize.
//
- ASSERT ((mRomImageTable[Index].RomImage == NULL) || (RomImage == mRomImageTable[Index].RomImage));
- ASSERT ((mRomImageTable[Index].RomSize == 0) || (RomSize == mRomImageTable[Index].RomSize));
break;
}
}
--
2.32.0.windows.1
next reply other threads:[~2022-01-22 1:41 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-01-22 1:40 Michael D Kinney [this message]
2022-01-25 6:55 ` [Patch 1/1] MdeModulePkg/Bus/Pci/PciBusDxe: Support platform PCI ROM override Zeng, Star
2022-01-27 3:34 ` Ni, Ray
2022-01-27 12:45 ` [edk2-devel] " Ard Biesheuvel
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