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-rw-r--r--PcAtChipsetPkg/PcAtChipsetPkg.dec5
1 files changed, 4 insertions, 1 deletions
diff --git a/PcAtChipsetPkg/PcAtChipsetPkg.dec b/PcAtChipsetPkg/PcAtChipsetPkg.dec
index 81750c6..d5c39de 100644
--- a/PcAtChipsetPkg/PcAtChipsetPkg.dec
+++ b/PcAtChipsetPkg/PcAtChipsetPkg.dec
@@ -41,7 +41,10 @@
# mask all legacy interrupt. Please restore the original legacy mask value if changing is made for these special case.
#
gPcAtChipsetPkgTokenSpaceGuid.Pcd8259LegacyModeMask|0x00000001|UINT16|0xFFFF
-
+
+ ## Pcd8259LegacyModeEdgeLevel defines the default edge level for legacy mode's interrrupt controller.
+ gPcAtChipsetPkgTokenSpaceGuid.Pcd8259LegacyModeEdgeLevel|0x00000002|UINT16|0x0000
+
[Guids.common]
gPcAtChipsetPkgTokenSpaceGuid = { 0x326ae723, 0xae32, 0x4589, { 0x98, 0xb8, 0xca, 0xc2, 0x3c, 0xdc, 0xc1, 0xb1 } }