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| author | Laszlo Ersek <lersek@redhat.com> | 2015-07-14 12:02:34 +0000 |
|---|---|---|
| committer | lersek <lersek@Edk2> | 2015-07-14 12:02:34 +0000 |
| commit | 68306ac2f2e7b85fc0d592248f68679139809b1a (patch) | |
| tree | 3724491ccb5429769459cf9ee9e87346f2601cee /OvmfPkg/Library/QemuBootOrderLib/ExtraRootBusMap.h | |
| parent | bdb1c98f036154b53d97cd5a30e49878e85fa8cb (diff) | |
| download | edk2-platforms-68306ac2f2e7b85fc0d592248f68679139809b1a.tar.xz | |
OvmfPkg: PciHostBridgeDxe: shorten search for extra root buses
QEMU provides an fw_cfg file called "etc/extra-pci-roots", containing a
little-endian UINT64 value that exposes the number of extra root buses. We
can use this value to terminate the scan as soon as we find the last extra
root bus.
Cc: Jordan Justen <jordan.l.justen@intel.com>
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Laszlo Ersek <lersek@redhat.com>
Regression-tested-by: Gabriel Somlo <somlo@cmu.edu>
Reviewed-by: Jordan Justen <jordan.l.justen@intel.com>
git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@17963 6f19259b-4bc3-4df7-8a09-765794883524
Diffstat (limited to 'OvmfPkg/Library/QemuBootOrderLib/ExtraRootBusMap.h')
0 files changed, 0 insertions, 0 deletions