[edk2-devel] [PATCH v3 2/7] MdePkg: Allow PcdFSBClock to by Dynamic

Anthony PERARD via groups.io anthony.perard=citrix.com at groups.io
Mon Apr 12 13:29:58 UTC 2021


We are going to want to change the value of PcdFSBClock at run time in
OvmfXen, so move it to the PcdsDynamic section.

Ref: https://bugzilla.tianocore.org/show_bug.cgi?id=2490
Signed-off-by: Anthony PERARD <anthony.perard at citrix.com>
Reviewed-by: Laszlo Ersek <lersek at redhat.com>
Reviewed-by: Liming Gao <liming.gao at intel.com>
---

Notes:
    CC: Michael D Kinney <michael.d.kinney at intel.com>
    CC: Liming Gao <gaoliming at byosoft.com.cn>
    CC: Zhiguang Liu <zhiguang.liu at intel.com>

 MdePkg/MdePkg.dec | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/MdePkg/MdePkg.dec b/MdePkg/MdePkg.dec
index f4156920e599..8965e903e093 100644
--- a/MdePkg/MdePkg.dec
+++ b/MdePkg/MdePkg.dec
@@ -2265,10 +2265,6 @@ [PcdsFixedAtBuild,PcdsPatchableInModule]
   # @ValidList  0x80000001 | 8, 16, 32
   gEfiMdePkgTokenSpaceGuid.PcdPort80DataWidth|8|UINT8|0x0000002d
 
-  ## This value is used to configure X86 Processor FSB clock.
-  # @Prompt FSB Clock.
-  gEfiMdePkgTokenSpaceGuid.PcdFSBClock|200000000|UINT32|0x0000000c
-
   ## The maximum printable number of characters. UefLib functions: AsciiPrint(), AsciiErrorPrint(),
   #  PrintXY(), AsciiPrintXY(), Print(), ErrorPrint() base on this PCD value to print characters.
   # @Prompt Maximum Printable Number of Characters.
@@ -2372,5 +2368,9 @@ [PcdsFixedAtBuild, PcdsPatchableInModule, PcdsDynamic, PcdsDynamicEx]
   # @Prompt Boot Timeout (s)
   gEfiMdePkgTokenSpaceGuid.PcdPlatformBootTimeOut|0xffff|UINT16|0x0000002c
 
+  ## This value is used to configure X86 Processor FSB clock.
+  # @Prompt FSB Clock.
+  gEfiMdePkgTokenSpaceGuid.PcdFSBClock|200000000|UINT32|0x0000000c
+
 [UserExtensions.TianoCore."ExtraFiles"]
   MdePkgExtra.uni
-- 
Anthony PERARD



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