[edk2-devel] [PATCH v1 1/4] OvmfPkg: Add three PCDs for QemuFwCfgLib

["Chao Li" <lichao@loongson.cn>]

Added three PCDs named PcdFwCfgSelectorAddress, PcdFwCfgDataAddress and
PcdFwCfgDmaAddress, all of type PcdsDynamic and PcdDynamicEx, whcih will
be used in QemuFwCfgLibMmio version to replace the three global
variables in QemuFwCfgLib.

BZ: https://bugzilla.tianocore.org/show_bug.cgi?id=4755

Cc: Ard Biesheuvel <ardb+tianocore@kernel.org>
Cc: Jiewen Yao <jiewen.yao@intel.com>
Cc: Gerd Hoffmann <kraxel@redhat.com>
Signed-off-by: Chao Li <lichao@loongson.cn>
---
 OvmfPkg/OvmfPkg.dec | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)

diff --git a/OvmfPkg/OvmfPkg.dec b/OvmfPkg/OvmfPkg.dec
index fbc81e4c80..c09b92df60 100644
--- a/OvmfPkg/OvmfPkg.dec
+++ b/OvmfPkg/OvmfPkg.dec
@@ -390,6 +390,24 @@ [PcdsDynamic, PcdsDynamicEx]
   #
   gUefiOvmfPkgTokenSpaceGuid.PcdForceNoAcpi|0x0|BOOLEAN|0x69
 
+  #
+  # This PCD uses to save the fw_cfg selector address when using the QEMU
+  # as the emulator.
+  #
+  gUefiOvmfPkgTokenSpaceGuid.PcdFwCfgSelectorAddress|0x0|UINT64|0x70
+
+  #
+  # This PCD uses to save the fw_cfg data address when using the QEMU
+  # as the emulator.
+  #
+  gUefiOvmfPkgTokenSpaceGuid.PcdFwCfgDataAddress|0x0|UINT64|0x71
+
+  #
+  # This PCD uses to save the fw_cfg DMA address when using the QEMU
+  # as the emulator.
+  #
+  gUefiOvmfPkgTokenSpaceGuid.PcdFwCfgDmaAddress|0x0|UINT64|0x72
+
 [PcdsFixedAtBuild, PcdsPatchableInModule]
   #
   # This is the physical address where the device tree is expected to be stored
-- 
2.27.0



-=-=-=-=-=-=-=-=-=-=-=-
Groups.io Links: You receive all messages sent to this group.
View/Reply Online (#117905): https://edk2.groups.io/g/devel/message/117905
Mute This Topic: https://groups.io/mt/105573104/7686176
Group Owner: devel+owner@edk2.groups.io
Unsubscribe: https://edk2.groups.io/g/devel/unsub [rebecca@openfw.io]
-=-=-=-=-=-=-=-=-=-=-=-