I tested this patch as well and confirmed this patch fixed the FWTS failure below. Thanks, Sami. - dbg2: DBG2 Device 'COM0' not found in ACPI object name space.
Tested-by: Sunny Wang <sunny.w...@arm.com> -----Original Message----- From: devel@edk2.groups.io <devel@edk2.groups.io> On Behalf Of Jagadeesh Ujja via groups.io Sent: 14 March 2022 05:01 To: devel@edk2.groups.io; Sami Mujawar <sami.muja...@arm.com> Cc: Alexei Fedorov <alexei.fedo...@arm.com>; Matteo Carlini <matteo.carl...@arm.com>; Akanksha Jain <akanksha.ja...@arm.com>; Ben Adderson <ben.adder...@arm.com>; Pierre Gondois <pierre.gond...@arm.com> Subject: Re: [edk2-devel] [PATCH v1 1/1] DynamicTablesPkg: Fix serial port namespace path in DBG2 Hi Sami, The patch is tested and looks good to me: Tested-by: Jagadeesh Ujja <jagadeesh.u...@arm.com> On Fri, Mar 11, 2022 at 6:38 PM PierreGondois <pierre.gond...@arm.com> wrote: > > Hi Sami, > The patch looks good to me: > > Reviewed-by: Pierre Gondois <pierre.gond...@arm.com> > > On 3/10/22 18:39, Sami Mujawar wrote: > > According to the Debug Port Table 2 (DBG2) specification, > > February 17, 2021, the NamespaceString is a NULL terminated > > ASCII string that consists of a fully qualified reference > > to the object that represents the serial port device in the > > ACPI namespace. > > > > The DBG2 table generator did not populate the full device > > path for the serial port device, and this results in a FWTS > > test failure. > > > > Therefore, populate the full namespace device path for the > > serial port in DBG2 table. > > > > Signed-off-by: Sami Mujawar <sami.muja...@arm.com> > > --- > > The changes can be seen at: > > https://github.com/samimujawar/edk2/tree/2105_dbg2_generator_namestring_issue_v1 > > > > DynamicTablesPkg/Library/Acpi/Arm/AcpiDbg2LibArm/Dbg2Generator.c | 10 > > +++++++--- > > 1 file changed, 7 insertions(+), 3 deletions(-) > > > > diff --git > > a/DynamicTablesPkg/Library/Acpi/Arm/AcpiDbg2LibArm/Dbg2Generator.c > > b/DynamicTablesPkg/Library/Acpi/Arm/AcpiDbg2LibArm/Dbg2Generator.c > > index > > 3d513dbd1fbe8c47d270a9e639b2797098201d91..f6dfb3d94c10980a0e7712ce9427648b69974061 > > 100644 > > --- a/DynamicTablesPkg/Library/Acpi/Arm/AcpiDbg2LibArm/Dbg2Generator.c > > +++ b/DynamicTablesPkg/Library/Acpi/Arm/AcpiDbg2LibArm/Dbg2Generator.c > > @@ -1,7 +1,7 @@ > > /** @file > > DBG2 Table Generator > > > > - Copyright (c) 2017 - 2021, Arm Limited. All rights reserved.<BR> > > + Copyright (c) 2017 - 2022, Arm Limited. All rights reserved.<BR> > > > > SPDX-License-Identifier: BSD-2-Clause-Patent > > > > @@ -55,13 +55,17 @@ Requirements: > > */ > > #define NAME_STR_DBG_PORT0 "COM0" > > > > +/** A string representing the full path name of the debug port 0. > > +*/ > > +#define NAMESPACE_STR_DBG_PORT0 "\\_SB_.COM0" > > + > > /** An UID representing the debug port 0. > > */ > > #define UID_DBG_PORT0 0 > > > > /** The length of the namespace string. > > */ > > -#define DBG2_NAMESPACESTRING_FIELD_SIZE sizeof (NAME_STR_DBG_PORT0) > > +#define DBG2_NAMESPACESTRING_FIELD_SIZE sizeof (NAMESPACE_STR_DBG_PORT0) > > > > /** The PL011 UART address range length. > > */ > > @@ -166,7 +170,7 @@ DBG2_TABLE AcpiDbg2 = { > > 0, // {Template}: Serial Port Subtype > > 0, // {Template}: Serial Port Base Address > > PL011_UART_LENGTH, > > - NAME_STR_DBG_PORT0 > > + NAMESPACE_STR_DBG_PORT0 > > ) > > } > > }; > > > > > IMPORTANT NOTICE: The contents of this email and any attachments are confidential and may also be privileged. If you are not the intended recipient, please notify the sender immediately and do not disclose the contents to any other person, use it for any purpose, or store or copy the information in any medium. Thank you. -=-=-=-=-=-=-=-=-=-=-=- Groups.io Links: You receive all messages sent to this group. View/Reply Online (#87536): https://edk2.groups.io/g/devel/message/87536 Mute This Topic: https://groups.io/mt/89691998/21656 Group Owner: devel+ow...@edk2.groups.io Unsubscribe: https://edk2.groups.io/g/devel/unsub [arch...@mail-archive.com] -=-=-=-=-=-=-=-=-=-=-=-