Re: [edk2-devel] [PATCH v1 1/1] DynamicTablesPkg: Fix assert in CmObject parser

["levi.yun" <yeoreum.yun@arm.com>]

Reviewed-by: levi.yun (yeoreum.yun@arm.com)

________________________________________
From: Sami Mujawar <sami.mujawar@arm.com>
Sent: 01 November 2023 10:28
To: devel@edk2.groups.io
Cc: Sami Mujawar; Pierre Gondois; Yeo Reum Yun; quic_llindhol@quicinc.com; Akanksha Jain; Sibel Allinson; nd
Subject: [PATCH v1 1/1] DynamicTablesPkg: Fix assert in CmObject parser

The patch "f81ee47513e5 DynamicTablesPkg: Add an ET info
object parser" updates the Configuration Manager object
parser to add support for parsing CM_ARM_ET_INFO object.

However, the GicC info structure also has an ET Reference
token that points to the CM_ARM_ET_INFO object. Therefore,
update the GICC info object parser to add an entry to parse
the ET reference token. Without this change an assert
stating that the RemainingSize != 0 will be triggered.

Signed-off-by: Sami Mujawar <sami.mujawar@arm.com>
---
 DynamicTablesPkg/Library/Common/TableHelperLib/ConfigurationManagerObjectParser.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/DynamicTablesPkg/Library/Common/TableHelperLib/ConfigurationManagerObjectParser.c b/DynamicTablesPkg/Library/Common/TableHelperLib/ConfigurationManagerObjectParser.c
index 127675d4cec435e6a076c4466b86a31160bf9de1..ce494816ed884f14af56fb32e7bf6bbba8595521 100644
--- a/DynamicTablesPkg/Library/Common/TableHelperLib/ConfigurationManagerObjectParser.c
+++ b/DynamicTablesPkg/Library/Common/TableHelperLib/ConfigurationManagerObjectParser.c
@@ -84,7 +84,8 @@ STATIC CONST CM_OBJ_PARSER  CmArmGicCInfoParser[] = {
   { "ClockDomain",                   4,                        "0x%x",   NULL },
   { "AffinityFlags",                 4,                        "0x%x",   NULL },
   { "CpcToken",                      sizeof (CM_OBJECT_TOKEN), "0x%p",   NULL },
-  { "TRBEInterrupt",                 2,                        "0x%x",   NULL }
+  { "TRBEInterrupt",                 2,                        "0x%x",   NULL },
+  { "EtToken",                       sizeof (CM_OBJECT_TOKEN), "0x%p",   NULL }
 };

 /** A parser for EArmObjGicDInfo.
--
'Guid(CE165669-3EF3-493F-B85D-6190EE5B9759)'

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