[edk2-devel] [RFC PATCH v1 11/30] ArmVirtPkg: Define a GUID HOB for IPA width of a Realm

[Sami Mujawar]

The IPA width of a Realm is read from the Realm Config by invoking
the RSI call RSI_REALM_CONFIG to read the Realm Config. The IPA width
is then stored in a GUID HOB gArmCcaIpaWidthGuid for subsequent use.

This GUID HOB is also useful to pass the IPA width of the Realm to the
DXE phase.

Signed-off-by: Sami Mujawar <sami.mujawar at arm.com>
---
 ArmVirtPkg/ArmVirtPkg.dec | 1 +
 1 file changed, 1 insertion(+)

diff --git a/ArmVirtPkg/ArmVirtPkg.dec b/ArmVirtPkg/ArmVirtPkg.dec
index 0bc7d697428636d42ffb27e8e92fca947665a79e..ebdb9629fa2754e6f8b59f23750ea50cf702d8fd 100644
--- a/ArmVirtPkg/ArmVirtPkg.dec
+++ b/ArmVirtPkg/ArmVirtPkg.dec
@@ -34,6 +34,7 @@ [Guids.common]
   gEarlyPL011BaseAddressGuid       = { 0xB199DEA9, 0xFD5C, 0x4A84, { 0x80, 0x82, 0x2F, 0x41, 0x70, 0x78, 0x03, 0x05 } }
   gEarly16550UartBaseAddressGuid   = { 0xea67ca3e, 0x1f54, 0x436b, { 0x97, 0x88, 0xd4, 0xeb, 0x29, 0xc3, 0x42, 0x67 } }
   gArmVirtSystemMemorySizeGuid     = { 0x504eccb9, 0x1bf0, 0x4420, { 0x86, 0x5d, 0xdc, 0x66, 0x06, 0xd4, 0x13, 0xbf } }
+  gArmCcaIpaWidthGuid              = { 0xbdb66787, 0xfc8a, 0x412e, { 0xa0, 0x9b, 0x84, 0x96, 0x61, 0x81, 0x72, 0xc0 } }
 
 [PcdsFeatureFlag]
   #
-- 
'Guid(CE165669-3EF3-493F-B85D-6190EE5B9759)'



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