board: intel_adsp_ace15_mtpm xtensa toolchain upgrade and enable xt-clang #7027

aborisovich · 2023-02-01T21:53:19Z

Release toolchain for Intel Meteorlake board is Xtensa RI-2022.10.
Upgraded toolchain to final version. New Xtensa toolchains does not support obsolete xt-xcc driver anymore,
so we need to switch to new xt-clang driver.
In this PR:

modified xtensa-build-system.py to build mtl platform with new Xtensa toolchain version RI-2022.10 and core ace10_LX7HiFi4_2022_10
modified processes and xtensa-build-system.py to use new compiler xt-clang as the xt-xcc is not available anymore
in new Xtensa toolchains.
added requirement to SOF project to use C++17 standard. This was caused by changes in Zephyr lib: os: PoT utilities, hash function, hash map (hash table) zephyrproject-rtos/zephyr#53405 that require C++14 standard.
MTL has cpp code that uses those headers but we can move straight away to C++17 as the newest standard supported by xt-clang in this toolchain.
please note: commit 9ae133d1abedd0ab8ebc8999954cf249648e84e7 will be dropped from this PR before merging. It contains temporary code to test new toolchain in Intel Internal CI & SOF CI and also provide debug logging.

Merging this PR will require synchronization with the Intel Internal CI team so they can change environmental variables on their side that would select new toolchain as default in production.

Dependencies:

boards: intel_adsp_ace15_mtpm board uses Xtensa toolchain xt-clang driver for twister zephyrproject-rtos/zephyr#54333 NOT MANDATORY
toolchain: rename xcc-clang to xt-clang, and add linker profile xt-ld zephyrproject-rtos/zephyr#54836
Fixed warnings issued by new xt-clang compiler #7096
Changes in the Intel internal CI.
full scope tests for MTL to prove lack of regression

aborisovich · 2023-02-01T22:29:00Z

I do not understand why zephyr builds CI is failing. It uses Zephyr SDK so no change done. It stops with weird error during west update step....

marc-hb · 2023-02-01T22:33:05Z

That's probably because we use west update --narrow to speed things up. Try either the full, 40 digit SHA1 or pull/54333/head or pull/54333/merge (without changing the remote)

marc-hb · 2023-02-01T22:35:08Z

scripts/xtensa-build-zephyr.py

Can you please provide a default value here?

Suggested change

"'xcc' or 'xcc-clang'")

if not os.getenv("ZEPHYR_TOOLCHAIN_VARIANT"):

os.environ["ZEPHYR_TOOLCHAIN_VARIANT"] = "xcc-clang"

I don't think default value is a good idea here especially one set to xt-clang. Script end-user if not set this variable could be trying to compile TGL with xt-clang what is possible but what we do not support (well at least I had not checked it for compiler errors/warnings). Also TGL does not have xcc-clang toolchain enabled in Zephyr board yaml file. I'm not sure what would happen.
Is this value needed by some CI systems?

Is this value needed by some CI systems?

If it's optional then why fail when it's missing?

if not set this variable could be trying to compile TGL with xt-clang what is possible but what we do not support [...]

It's OK to fail in unsupported cases. It's not OK to require a new, "evil" environment variable for the default case.

I'm not sure what would happen.

If the error message for some unsupported case is too cryptic, the few people who want/need that case can always submit a better error message.

Also TGL does not have xcc-clang toolchain enabled in Zephyr board yaml file.

BTW the platform_list has always provided platform-specific default values. In fact platform_list is probably the main value of this script: platform-specific default values that allow building multiple platforms at once without any painful configuration tricks. It will be a real regression to lose that.

Hmm, yeah you are right.
Maybe approach with expanding platform_list values would be much better solution (we just did not have to distinguish between Xtensa compilers before). I'll just add new field to platform_list that would provide info that for TGL default toolchain is xt-xcc and for MTL is xt-clang. That would make much more sense.

@marc-hb does this looks better now?

It does look better thanks!

It fails to build MTL in https://sof-ci.01.org/sofpr/PR7027/build3671/build/mtl_zph_ipc4_error.txt, looks like we need to upgrade our XCC toolchain. @aiChaoSONG , @keqiaozhang , @fredoh9 ?

marc-hb

Intel Meteorlake release toolchain is Xtensa RI-2021.7 version. New toolchain does not support xt-xcc driver anymore so we are forced to switch to new xt-clang driver.

Wait, this sounds like a "Flag Day" change? I mean: there is no "transition" toolchain that supports both xt-xcc and xt-clang, it's either one or the other? That sounds bad, it sounds like only the "before" version of this script will be compatible with older toolchains and only the "after" version of this script will be compatible with newer toolchains? OK now maybe I understand why you were asking for a new input...

Assuming I'm understanding all this correctly, I think we need both a default value for convenience and a new input parameter so users can use git across the "flag day" without having to switch toolchain at the same time. See inline suggestions.

cc: @dcpleung, @aasthagr

src/audio/selector/selector.c

marc-hb · 2023-02-02T17:58:05Z

scripts/xtensa-build-zephyr.py

It does look better thanks!

It fails to build MTL in https://sof-ci.01.org/sofpr/PR7027/build3671/build/mtl_zph_ipc4_error.txt, looks like we need to upgrade our XCC toolchain. @aiChaoSONG , @keqiaozhang , @fredoh9 ?

scripts/xtensa-build-zephyr.py

marc-hb · 2023-02-02T18:31:53Z

The massive regression of most tests in https://sof-ci.01.org/sofpr/PR7027/build3671/devicetest/index.html is likely caused by unrelated Zephyr code indirectly included by the west.yml update in this PR. Other, recent PRs are passing fine (examples https://sof-ci.sh.intel.com/#/result/planresultdetail/20432 and https://sof-ci.01.org/sofpr/PR7032/build3673/devicetest/index.html) and daily tests 20432 are fine too.

Probably Zephyr regression #6965 (comment)

fredoh9 · 2023-02-10T06:02:40Z

I installed new toolchains, RI-2021.7 and RI-2022.10 (both builds and tools). Looks like MTL use RI-2021.7 builds and tools. I was able to build MTL fw with main. Then pull this PR and try again. But build failed.

:~/work/zwork/sof$ ./scripts/xtensa-build-zephyr.py mtl
Found west: /home/fredoh/.local/bin/west
Building platforms: mtl
In dir: /home/fredoh/work/zwork; running command: west topdir
In dir: /home/fredoh/work/zwork; running command: west config manifest.path
In dir: /home/fredoh/work/zwork; running command: west config manifest.file
West workspace: /home/fredoh/work/zwork
West manifest path: /home/fredoh/work/zwork/sof/west.yml
SOF_TOP=/home/fredoh/work/zwork/sof
west_top=/home/fredoh/work/zwork
Cleaning mtl from /home/fredoh/work/zwork/build-sof-staging
XTENSA_TOOLCHAIN_PATH=/home/fredoh/xcc/install/tools
TOOLCHAIN_VER=RI-2021.7-linux
XTENSA_SYSTEM=/home/fredoh/xcc/install/builds/RI-2021.7-linux/ace10_LX7HiFi4/config
In dir: /home/fredoh/work/zwork; running command: west build --build-dir build-mtl --board intel_adsp_ace15_mtpm /home/fredoh/work/zwork/sof/app --
-- west build: generating a build system
Loading Zephyr default modules (Zephyr base (cached)).
-- Application: /home/fredoh/work/zwork/sof/app
-- Cache files will be written to: /home/fredoh/.cache/zephyr
-- Zephyr version: 3.2.99 (/home/fredoh/work/zwork/zephyr)
-- Found west (found suitable version "0.14.0", minimum required is "0.7.1")
-- Board: intel_adsp_ace15_mtpm
-- Found toolchain: xcc-clang (/home/fredoh/xcc/install/tools)
CMake Error at /home/fredoh/work/zwork/zephyr/cmake/compiler/xcc/generic.cmake:25 (message):
  Executing the below command failed.  Are permissions set correctly?

  '/home/fredoh/xcc/install/tools/RI-2021.7-linux/XtensaTools/bin/xt-clang
  --version'

Call Stack (most recent call first):
  /home/fredoh/work/zwork/zephyr/cmake/compiler/xcc-clang/generic.cmake:3 (include)
  /home/fredoh/work/zwork/zephyr/cmake/modules/FindHostTools.cmake:107 (include)
  /home/fredoh/work/zwork/zephyr/cmake/modules/dts.cmake:8 (find_package)
  /home/fredoh/work/zwork/zephyr/cmake/modules/zephyr_default.cmake:108 (include)
  /home/fredoh/work/zwork/zephyr/share/zephyr-package/cmake/ZephyrConfig.cmake:66 (include)
  /home/fredoh/work/zwork/zephyr/share/zephyr-package/cmake/ZephyrConfig.cmake:97 (include_boilerplate)
  CMakeLists.txt:5 (find_package)
...

fredoh9 · 2023-02-10T19:52:38Z

Looks like the tool install didn't finish properly. Re-installed again. Now I'm able to build MTL fw.

When I had errors,

:~/work/zwork/sof$ /home/fredoh/xcc/install/tools/RI-2021.7-linux/XtensaTools/bin/xt-clang --version
Error: the "ace10_LX7HiFi4" core is not in the current Xtensa core registry.

You need to either specify the name of a registered Xtensa core (with
the --xtensa-core option or the XTENSA_CORE environment variable) or
specify a different registry of Xtensa cores (with the --xtensa-system
option or the XTENSA_SYSTEM environment variable).

The following Xtensa cores are available:
        <None>

...in the Xtensa registry directories:
        /home/fredoh/xcc/install/tools/RI-2021.7-linux/XtensaTools/bin/../config

After the fixed the registry problem,

:~/work/zwork/sof$ /home/fredoh/xcc/install/tools/RI-2021.7-linux/XtensaTools/bin/xt-clang --version
XtensaTools-14.07.20210809689958 clang version 10.0.1
Target: xtensa-unknown-unknown
Thread model: single
InstalledDir: /home/fredoh/xcc/install/tools/RI-2021.7-linux/XtensaTools/llvm/bin

marc-hb · 2023-02-10T23:36:28Z

or specify a different registry of Xtensa cores (with the --xtensa-system
option or the XTENSA_SYSTEM environment variable).

That's why all our build scripts define XTENSA_SYSTEM, so you don't have to and you don't have to "fix the registry".

marc-hb · 2023-02-10T23:36:50Z

SOFCI TEST

fredoh9 · 2023-02-12T01:51:46Z

SOFCI TEST

fredoh9 · 2023-02-12T02:02:36Z

All build machines have new toolchain, RI-2021.7 and ace10_LX7HiFi4

fredoh9 · 2023-02-12T03:43:48Z

By the way, are you planning to update with RI-2022.10 also? If we have a plan to upgrade to RI-2022.10 sooner or later let me know also. So that we can prepare for that also.

lgirdwood

@aborisovich any ETA for non draft ?

aborisovich · 2023-02-14T14:40:58Z

By the way, are you planning to update with RI-2022.10 also? If we have a plan to upgrade to RI-2022.10 sooner or later let me know also. So that we can prepare for that also.

Hi, yes I've asked our process team to install RI-2022.10 straight away so I guess we will just skip 2021 toolchain. So please prepare for 2022.10 on sof CI side @fredoh9 .

aborisovich · 2023-02-14T14:43:53Z

@aborisovich any ETA for non draft ?

I can make it normal Open PR but it has dependency to Zephyr PR with xt-clang introduction and "-no-pie" unsupported flag enforced by Zephyr toolchain. We will discuss those hanging PRs tomorrow with Zephyr team. I think code freeze is ended and those should be merged soon.

dcpleung · 2023-02-14T19:32:43Z

zephyrproject-rtos/zephyr#54836 would probably have a higher chance of getting merged sooner.

marc-hb · 2023-02-14T21:44:21Z

I can make it normal Open PR but it has dependency to Zephyr PR with xt-clang introduction and "-no-pie" unsupported flag enforced by Zephyr toolchain.

@aborisovich could you fast-track the C code changes in a new, separate PR? It's easy enough for users to locally hack one-line in the python script and ignore the -no-pie warnings. Fixing C code is probably more time-consuming.

Once the C code is fixed it's also easier for Zephyr people like @dcpleung to give SOF a quick try.

aborisovich · 2023-02-14T21:44:33Z

zephyrproject-rtos/zephyr#54836 would probably have a higher chance of getting merged sooner.

PRs like those give me joy. Finally those names had been fixed, that's what I've been talking about @marc-hb .

aborisovich · 2023-02-14T21:49:10Z

I can make it normal Open PR but it has dependency to Zephyr PR with xt-clang introduction and "-no-pie" unsupported flag enforced by Zephyr toolchain.

@aborisovich could you fast-track the C code changes in a new, separate PR? It's easy enough for users to locally hack one-line in the python script and ignore the -no-pie warnings. Fixing C code is probably more time-consuming.

Once the C code is fixed it's also easier for Zephyr people like @dcpleung to give SOF a quick try.

Sure, I'll create new PR which we can instantly merge without any dependencies.

aborisovich · 2023-02-14T22:14:57Z

Created new PR #7096 just for fixing C warnings.

aborisovich · 2023-02-17T12:35:58Z

Ok, got info that our Intel Internal CI has new toolchains set up.
@fredoh9 what is the status of SOF CI? Are we ready there?

gkbldcig · 2023-02-18T04:16:29Z

Can one of the admins verify this patch?

aborisovich · 2023-02-23T12:27:48Z

@jxstelter can you please confirm this switch to xt-clang and C++17 standard?

softwarecki · 2023-02-23T12:36:30Z

scripts/xtensa-build-zephyr.py

verbose by default?

Please have a look at commits.
There is one commit 9ae133d signed [DO NOT MERGE] that will be dropped.
It was added temporary to validate CI logs on Intel Internal CI and SOF CI.

marc-hb

Approved except of course the DO NOT MERGE commit. Demoting to draft to avoid accidental merges, it happened :-) It's just one click both ways.

I'm not happy with the new C++17 requirement because it's not clear why it's needed: the author claims the requirement is still C++11 in
zephyrproject-rtos/zephyr#53405 (comment)

But it's just a one-line, super easy to change later.

added requirement to SOF project to use C++17 standard. This was caused by changes in Zephyr lib: os: PoT utilities, hash function, hash map (hash table) zephyrproject-rtos/zephyr#53405 that require C++14 standard.

@aborisovich can you please file a bug for this with (hopefully easy and open-source) reproduction steps?

SOF CI device tests failed check-suspend-resume-with-capture.sh on ADLP_RVP_SDW_IPC4ZPH and TGLU_RVP_NOCODEC_IPC4ZPH but those seems unrelated as TGL had been build using existing xt-xcc toolchain.

We have had suspend/resume failures since forever.

Always copy the URL because it gets lost after force push:
https://sof-ci.01.org/sofpr/PR7027/build4128/devicetest/index.html

marc-hb · 2023-02-24T18:28:58Z

scripts/xtensa-build-zephyr.py

Note for other reviewers: this is part of the temporary, DO NOT MERGE commit. Do not review. It looked "too good" so I wasted a bit of time reviewing it, next time please add some uglier comments :-)

aborisovich · 2023-02-27T01:08:11Z

I'm not happy with the new C++17 requirement because it's not clear why it's needed: the author claims the requirement is still C++11 in
zephyrproject-rtos/zephyr#53405 (comment)

But it's just a one-line, super easy to change later.

I've submitted the bug zephyrproject-rtos/zephyr#55204 explaining the situation and containing the proof that Zephyr code requires C++14 after the PR we mentioned earlier.
I can set a language standard in this PR to C++14, but since we need to upgrade it anyway, and the existing C++ code works with the C++17 standard, I would like to upgrade to it straight away.
When this PR is merged we can also work on the upgrading C to C17 standard (but this will require much more work obviously).

aborisovich · 2023-02-27T15:02:01Z

Still waiting for the MTL full scope test results. We will have a results tomorrow. If no regression proven we can merge.

Intel Meteorlake release toolchain is Xtensa RI-2022.10 version. New toolchain does not support xt-xcc driver anymore so we are forced to switch to new xt-clang driver. To distinguish between default driver for the platform built, (Xtensa GCC or Clang) added new field to script platform list containing a toolchain name "xcc" or "xcc-clang" expected by Zephyr project. Signed-off-by: Andrey Borisovich <andrey.borisovich@intel.com>

Recent changes to Zephyr header files written in C++ use templates and features provided by the C++14 standard. Meteorlake board that is built with Zephyr has some C++ code that uses those headers. We upgrade straight to C++17 since it is newest standard currently supported by xt-clang toolchain. This change does not affect any other boards since the do not have any C++ code as the time of writing. Signed-off-by: Andrey Borisovich <andrey.borisovich@intel.com>

Includes: - rename of xcc-clang compiler to xt-clang - updates in C++ headers in zephyr/sys/util.h that require C++14 standard now. Signed-off-by: Andrey Borisovich <andrey.borisovich@intel.com>

aborisovich · 2023-02-28T13:56:39Z

Results from validation team proved no regression on MTL full scope. Removed [DO NOT MERGE] commit, Intel Internal CI had switched to use xt-clang. Current force push will use new toolchain. Waiting for the results and if everything good we can merge @lgirdwood .

aborisovich · 2023-02-28T14:57:00Z

Ok all green. sof-ci/jenkins/pr-fw-build & Internal Intel CI System/merge/build used new xt-clang toolchain.
We can merge.

aborisovich force-pushed the mtl-xtensa-toolchain-upgrade branch from a2a8ee7 to 8ab901c Compare February 1, 2023 22:24

marc-hb reviewed Feb 1, 2023

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aborisovich force-pushed the mtl-xtensa-toolchain-upgrade branch from 8ab901c to 00deaf7 Compare February 2, 2023 10:24

marc-hb reviewed Feb 2, 2023

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marc-hb mentioned this pull request Feb 2, 2023

dma: hda: enable xrun handling zephyrproject-rtos/zephyr#53327

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marc-hb mentioned this pull request Feb 13, 2023

cmake: linker: make passing -no-pie configurable zephyrproject-rtos/zephyr#54445

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lgirdwood reviewed Feb 14, 2023

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aborisovich force-pushed the mtl-xtensa-toolchain-upgrade branch from 00deaf7 to f46c2d2 Compare February 14, 2023 21:39

aborisovich force-pushed the mtl-xtensa-toolchain-upgrade branch from f46c2d2 to 757a8c7 Compare February 14, 2023 22:16

aborisovich mentioned this pull request Feb 15, 2023

ams: Add initial AMS implementation #6343

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marc-hb mentioned this pull request Feb 15, 2023

toolchain: rename xcc-clang to xt-clang, and add linker profile xt-ld zephyrproject-rtos/zephyr#54836

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aborisovich requested review from dbaluta, lbetlej, mmaka1 and plbossart as code owners February 23, 2023 11:50

aborisovich changed the title ~~board: intel_adsp_ace15_mtpm xtensa toolchain upgrade and enable xt-clang~~ [DO NOT MERGE] board: intel_adsp_ace15_mtpm xtensa toolchain upgrade and enable xt-clang Feb 23, 2023

aborisovich requested review from abonislawski, jxstelter, marcinszkudlinski and softwarecki February 23, 2023 11:51

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marc-hb approved these changes Feb 24, 2023

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marc-hb marked this pull request as draft February 24, 2023 18:38

aborisovich mentioned this pull request Feb 27, 2023

Zephyr does not define minimal C++ language standard requirement and does not track it zephyrproject-rtos/zephyr#55204

Closed

Andrey Borisovich added 3 commits February 28, 2023 14:53

west.yml: upgrade Zephyr to e3ae110a05d

780c2ab

Includes: - rename of xcc-clang compiler to xt-clang - updates in C++ headers in zephyr/sys/util.h that require C++14 standard now. Signed-off-by: Andrey Borisovich <andrey.borisovich@intel.com>

aborisovich force-pushed the mtl-xtensa-toolchain-upgrade branch from 9ae133d to 780c2ab Compare February 28, 2023 13:54

aborisovich changed the title ~~[DO NOT MERGE] board: intel_adsp_ace15_mtpm xtensa toolchain upgrade and enable xt-clang~~ board: intel_adsp_ace15_mtpm xtensa toolchain upgrade and enable xt-clang Feb 28, 2023

aborisovich marked this pull request as ready for review February 28, 2023 13:54

lgirdwood merged commit b2073f1 into thesofproject:main Feb 28, 2023

kv2019i mentioned this pull request Mar 30, 2023

Update GOOGLE_RTC_AUDIO_PROCESSING for Zephyr #7202

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aborisovich deleted the mtl-xtensa-toolchain-upgrade branch June 11, 2023 15:39

	"'xcc' or 'xcc-clang'")
	if not os.getenv("ZEPHYR_TOOLCHAIN_VARIANT"):
	os.environ["ZEPHYR_TOOLCHAIN_VARIANT"] = "xcc-clang"

board: intel_adsp_ace15_mtpm xtensa toolchain upgrade and enable xt-clang #7027

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