sravan/system76-edk2
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

MdeModulePkg: Clean ACPI 2.0 characters in UEFI spec

Browse Source 
v2: Add some missing changes.

Cc: Liming Gao <liming.gao@intel.com>
Cc: Star Zeng <star.zeng@intel.com>
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Dandan Bi <dandan.bi@intel.com>
Reviewed-by: Star Zeng <star.zeng@intel.com>
This commit is contained in:
Dandan Bi
2017-06-16 13:24:02 +08:00
committed by Hao Wu
parent 51312091b2
commit 6fbaed1f00
4 changed files with 16 additions and 17 deletions
Download Patch File Download Diff File Expand all files Collapse all files

15
MdeModulePkg/Bus/Pci/PciHostBridgeDxe/PciRootBridgeIo.c
View File

@@ -1560,20 +1560,19 @@ RootBridgeIoSetAttributes (
/**
Retrieves the current resource settings of this PCI root bridge in the form
of a set of ACPI 2.0 resource descriptors.
of a set of ACPI resource descriptors.
There are only two resource descriptor types from the ACPI Specification that
may be used to describe the current resources allocated to a PCI root bridge.
These are the QWORD Address Space Descriptor (ACPI 2.0 Section 6.4.3.5.1),
and the End Tag (ACPI 2.0 Section 6.4.2.8). The QWORD Address Space
Descriptor can describe memory, I/O, and bus number ranges for dynamic or
fixed resources. The configuration of a PCI root bridge is described with one
or more QWORD Address Space Descriptors followed by an End Tag.
These are the QWORD Address Space Descriptor, and the End Tag. The QWORD
Address Space Descriptor can describe memory, I/O, and bus number ranges for
dynamic or fixed resources. The configuration of a PCI root bridge is described
with one or more QWORD Address Space Descriptors followed by an End Tag.
@param[in] This A pointer to the EFI_PCI_ROOT_BRIDGE_IO_PROTOCOL.
@param[out] Resources A pointer to the ACPI 2.0 resource descriptors that
@param[out] Resources A pointer to the resource descriptors that
describe the current configuration of this PCI root
bridge. The storage for the ACPI 2.0 resource
bridge. The storage for the resource
descriptors is allocated by this function. The
caller must treat the return buffer as read-only
data, and the buffer must not be freed by the