OpenAMP rsc table sample #16985

arnopo · 2019-06-21T15:52:28Z

This pull request proposes an implementation of the RPMSg protocol based on a resource table.
The resource table can be use to declare resources shared between the main and coprocessor. It is integrated in the co-processor firmware in a specific section. This section can be recognized and parsed by the Linux OS kernel to initialize shared resources such as trace and RPMsg protocol.

Based on this resource table, the objective is to propose a sample that is platform agnostic and that answers to the Linux rpmsg client sample integrated in the Linux kernel distribution.

For time being this pull request only implements the co-processor side, and could be extended in future to also implement the master part.

samples/subsys/ipc/openamp_rsc_table/README.rst

arnopo · 2019-06-24T12:59:38Z

@galak Please, could you take a look to this pull request and associated OpenAMP pull request: zephyrproject-rtos/open-amp#2.
I'm not sure that adding the resource table directly in open-amp module is the right solution, so if you have better suggestion, don't hesitate!

samples/subsys/ipc/openamp_rsc_table/README.rst

dbkinder

doc changes LTGM, thanks!

erwango

First batch of comments

modules/Kconfig.rsc-table

soc/arm/st_stm32/stm32mp1/CMakeLists.txt

samples/subsys/ipc/openamp_rsc_table/remote/prj.conf

samples/subsys/ipc/openamp_rsc_table/remote/src/main_remote.c

erwango · 2019-07-29T14:40:39Z

scripts/dts/extract/globals.py

Expect conflicts with #17660

#17660 is now merged, you'll have to report this patch in scripts/dts/gen_defines.py

scripts/dts/gen_defines.py

samples/subsys/ipc/openamp_rsc_table/remote/stm32mp157c_dk2.overlay

ulfalizer

Review comments fixed

modules/Kconfig.rsc-table

jhedberg · 2020-01-07T15:12:07Z

@arnopo could you please rebase this and fix the conflicts? Is this otherwise ready to be merged?

arnopo · 2020-01-07T15:46:15Z

@jhedberg
yes i will rebase it,
for me it is then ready for merge but would be better first that @galak approve it.

arnopo · 2020-02-06T14:23:48Z

@galak: gentle reminder. This PR still waits your review :)

jhedberg · 2020-03-12T08:55:37Z

This seems to have been neglected for awhile. I just triggered a Shippable re-run. @galak could you take a look?

galak

In general looks good, a few updates based on changes I made to PR #17553 that we should reflect here.

lib/open-amp/rsc_table/Kconfig

lib/open-amp/rsc_table/README

lib/open-amp/rsc_table/resource_table.c

samples/subsys/ipc/openamp_rsc_table/remote/CMakeLists.txt

samples/subsys/ipc/openamp_rsc_table/remote/stm32mp157c_dk2.overlay

soc/arm/st_stm32/stm32mp1/dts_fixup.h

galak

Do you see having more things in lib/open-amp/. Wonder if we need the rsc_table dir, or if we can flatten things a little?

arnopo · 2020-03-26T17:48:57Z

Thanks @galak for the review, i will push a new version ASAP ( likely tomorrow)

arnopo · 2020-03-26T18:14:39Z

Do you see having more things in lib/open-amp/. Wonder if we need the rsc_table dir, or if we can flatten things a little?

No more things it pipe for the moment, ok i will suppress the rsc_dtable dir

arnopo · 2020-03-27T13:56:09Z

Do you see having more things in lib/open-amp/. Wonder if we need the rsc_table dir, or if we can flatten things a little?

No more things it pipe for the moment, ok i will suppress the rsc_dtable dir

rsc_table dir has been suppressed

lib/open-amp/CMakeLists.txt

samples/subsys/ipc/openamp_rsc_table/CMakeLists.txt

galak

In general looks good, some minor updates. Should we get PR #14750 merged first, after which I think this should be good.

lib/open-amp/README

arnopo · 2020-03-27T17:16:39Z

Shippable issue seems not linked to this PR:

INFO    - 435/782 mps2_an385                tests/net/socket/select/net.socket.select          FAILED Failed (qemu 5.352s)
INFO    - /home/buildslave/src/github.com/zephyrproject-rtos/zephyr/sanity-out/mps2_an385/tests/net/socket/select/net.socket.select/handler.log
ERROR   - *** Booting Zephyr OS build zephyr-v2.2.0-812-g60dd11610e6d  ***
Running test suite socket_select
===================================================================
starting test - test_fd_set
PASS - test_fd_set
===================================================================
starting test - test_select

    Assertion failed at WEST_TOPDIR/zephyr/tests/net/socket/select/src/main.c:115: test_select: (tstamp >= 30U && tstamp <= 30 + FUZZ is false)

arnopo · 2020-03-31T07:26:05Z

Shippable issue seems not linked to this PR:

INFO    - 435/782 mps2_an385                tests/net/socket/select/net.socket.select          FAILED Failed (qemu 5.352s)
INFO    - /home/buildslave/src/github.com/zephyrproject-rtos/zephyr/sanity-out/mps2_an385/tests/net/socket/select/net.socket.select/handler.log
ERROR   - *** Booting Zephyr OS build zephyr-v2.2.0-812-g60dd11610e6d  ***
Running test suite socket_select
===================================================================
starting test - test_fd_set
PASS - test_fd_set
===================================================================
starting test - test_select

    Assertion failed at WEST_TOPDIR/zephyr/tests/net/socket/select/src/main.c:115: test_select: (tstamp >= 30U && tstamp <= 30 + FUZZ is false)

outdated as solve by a rebase

samples/subsys/ipc/openamp_rsc_table/CMakeLists.txt

The resource table is needed by the Linux kernel OS for a rpmsg generic support, but is also recognised by OpenAMP. This table allows to add trace based on the RAM console and to support rpmsg protocol. Signed-off-by: Arnaud Pouliquen <[email protected]>

Rebase the resource table management to the new implementation in open-amp module Signed-off-by: Arnaud Pouliquen <[email protected]>

64 kB of memory is reserved for the inter-processor communication. this makes sense only if RPMsg is used. Allow to use this memory for firmware data by default. Signed-off-by: Arnaud Pouliquen <[email protected]>

This sample is designed to respond to the Linux rpmsg sample client. It should be platform independent and based on the the integration of a resource table in the elf file. Signed-off-by: Arnaud Pouliquen <[email protected]>

arnopo · 2020-04-01T08:10:56Z

@galak,
i tested your updates and rebase to force the re-run of some stalled checks,

arnopo requested review from MaureenHelm, dbkinder, erwango, galak and nashif as code owners June 21, 2019 15:52

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arnopo mentioned this pull request Jun 28, 2019

board: suppress useless config in Avenger96 board #17148

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arnopo added the area: IPC Inter-Process Communication label Jul 3, 2019

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arnopo mentioned this pull request Jul 16, 2019

Open amp refactoring and add more platforms support #17553

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arnopo mentioned this pull request Sep 20, 2019

resource table: add helper to add resource table in project. zephyrproject-rtos/open-amp#2

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OpenAMP as service for multiple users #20419

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arnopo added 4 commits April 1, 2020 09:45

stm32mp1: update resource table management

cb41aa7

Rebase the resource table management to the new implementation in open-amp module Signed-off-by: Arnaud Pouliquen <[email protected]>

dts: extend stm32mp1 sram declaration to 300 kB by default

09bac32

64 kB of memory is reserved for the inter-processor communication. this makes sense only if RPMsg is used. Allow to use this memory for firmware data by default. Signed-off-by: Arnaud Pouliquen <[email protected]>

samples: add openamp sample relying on resource table

6d2865e

This sample is designed to respond to the Linux rpmsg sample client. It should be platform independent and based on the the integration of a resource table in the elf file. Signed-off-by: Arnaud Pouliquen <[email protected]>

galak merged commit f6800aa into zephyrproject-rtos:master Apr 1, 2020

arnopo deleted the OpenAMP_rsc_table_sample branch April 4, 2025 08:16

OpenAMP rsc table sample #16985

OpenAMP rsc table sample #16985

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