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| author | Laszlo Ersek <lersek@redhat.com> | 2016-01-25 23:43:50 +0100 |
|---|---|---|
| committer | Laszlo Ersek <lersek@redhat.com> | 2016-03-03 18:18:39 +0100 |
| commit | 65de2ef54ffe8936b9d60ea3a4782798ef47f6c9 (patch) | |
| tree | facd180ea34a2823ae2a8fdf40b9f8aae9288094 /OvmfPkg | |
| parent | dc4d64670a19d4f813e8f3dc7231998615404511 (diff) | |
| download | edk2-65de2ef54ffe8936b9d60ea3a4782798ef47f6c9.tar.gz edk2-65de2ef54ffe8936b9d60ea3a4782798ef47f6c9.tar.bz2 edk2-65de2ef54ffe8936b9d60ea3a4782798ef47f6c9.zip | |
OvmfPkg: PciHostBridgeLib: set RootBus->Segment
This is the first of the patches that set the fields of PCI_ROOT_BRIDGE.
The structure is zero-filled as a precaution for later field additions.
Here we set the Segment member explicitly to zero (so that any later
customization can be easier).
Cc: Jordan Justen <jordan.l.justen@intel.com>
Cc: Ruiyu Ni <ruiyu.ni@intel.com>
Cc: Marcel Apfelbaum <marcel@redhat.com>
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Laszlo Ersek <lersek@redhat.com>
Reviewed-by: Jordan Justen <jordan.l.justen@intel.com>
Diffstat (limited to 'OvmfPkg')
| -rw-r--r-- | OvmfPkg/Library/PciHostBridgeLib/PciHostBridgeLib.c | 8 | ||||
| -rw-r--r-- | OvmfPkg/Library/PciHostBridgeLib/PciHostBridgeLib.inf | 1 |
2 files changed, 9 insertions, 0 deletions
diff --git a/OvmfPkg/Library/PciHostBridgeLib/PciHostBridgeLib.c b/OvmfPkg/Library/PciHostBridgeLib/PciHostBridgeLib.c index 25746dd1cf..39dc2b5acb 100644 --- a/OvmfPkg/Library/PciHostBridgeLib/PciHostBridgeLib.c +++ b/OvmfPkg/Library/PciHostBridgeLib/PciHostBridgeLib.c @@ -17,6 +17,7 @@ #include <IndustryStandard/Pci.h>
+#include <Library/BaseMemoryLib.h>
#include <Library/DebugLib.h>
#include <Library/MemoryAllocationLib.h>
#include <Library/PciHostBridgeLib.h>
@@ -63,6 +64,13 @@ InitRootBridge ( OUT PCI_ROOT_BRIDGE *RootBus
)
{
+ //
+ // Be safe if other fields are added to PCI_ROOT_BRIDGE later.
+ //
+ ZeroMem (RootBus, sizeof *RootBus);
+
+ RootBus->Segment = 0;
+
return EFI_OUT_OF_RESOURCES;
}
diff --git a/OvmfPkg/Library/PciHostBridgeLib/PciHostBridgeLib.inf b/OvmfPkg/Library/PciHostBridgeLib/PciHostBridgeLib.inf index b836931912..096d728f3c 100644 --- a/OvmfPkg/Library/PciHostBridgeLib/PciHostBridgeLib.inf +++ b/OvmfPkg/Library/PciHostBridgeLib/PciHostBridgeLib.inf @@ -39,6 +39,7 @@ OvmfPkg/OvmfPkg.dec
[LibraryClasses]
+ BaseMemoryLib
DebugLib
MemoryAllocationLib
PciLib
|