* [meta-zephyr][PATCH 2/5] CI: Use the matrix to ovleray additional Kas files
2022-09-06 13:16 [meta-zephyr][PATCH 1/5] Cleanup README.txt files Peter Hoyes
@ 2022-09-06 13:16 ` Peter Hoyes
2022-09-06 13:17 ` [meta-zephyr][PATCH 3/5] zephyr-kernel: Factor out Yocto toolchain specific variables Peter Hoyes
` (3 subsequent siblings)
4 siblings, 0 replies; 6+ messages in thread
From: Peter Hoyes @ 2022-09-06 13:16 UTC (permalink / raw)
To: yocto; +Cc: diego.sueiro, Peter Hoyes
From: Peter Hoyes <Peter.Hoyes@arm.com>
Adopt the jobs-to-kas helper script from meta-arm, which uses Gitlab's
parellel matrix to overlay additional Kas files on top of the base Kas
file (based on $CI_JOB_NAME).
This allows multiple combinations of Kas file overlays to be easily
tested with minimal boilerplate.
Signed-off-by: Peter Hoyes <Peter.Hoyes@arm.com>
---
.gitlab-ci.yml | 15 ++++++++++++---
ci/jobs-to-kas | 31 +++++++++++++++++++------------
2 files changed, 31 insertions(+), 15 deletions(-)
diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index addd04c..22a8ef9 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -80,11 +80,17 @@ nrf52840dk-nrf52840:
qemu-cortex-a53:
extends: .build
-qemu-cortex-m0/testimage:
+qemu-cortex-m0:
extends: .build
+ parallel:
+ matrix:
+ - TESTING: testimage
-qemu-cortex-m3/testimage:
+qemu-cortex-m3:
extends: .build
+ parallel:
+ matrix:
+ - TESTING: testimage
qemu-cortex-r5:
extends: .build
@@ -92,8 +98,11 @@ qemu-cortex-r5:
qemu-nios2:
extends: .build
-qemu-x86/testimage:
+qemu-x86:
extends: .build
+ parallel:
+ matrix:
+ - TESTING: testimage
stm32mp157c-dk2:
extends: .build
diff --git a/ci/jobs-to-kas b/ci/jobs-to-kas
index 7057970..296bb0d 100755
--- a/ci/jobs-to-kas
+++ b/ci/jobs-to-kas
@@ -1,19 +1,26 @@
#! /bin/bash
-# Read a GitLab CI job name on $1 and transform it to a
-# list of Kas yaml files
+# This script is expecting an input of machine name, optionally followed by a
+# colon and a list of one or more parameters separated by commas between
+# brackets. For example, the following are acceptable:
+# qemu-x86
+# qemu-cortex-m3: [testimage]
+# qemu-cortex-a53: [zephyr-toolchain, testimage]
+#
+# Turn this list into a series of yml files separated by colons to pass to kas
set -e -u
-# Read Job namne from $1 and split on /
-IFS=/ read -r -a PARTS<<<$1
+FILES="ci/$(echo $1 | cut -d ':' -f 1).yml"
-# Prefix each part with ci/
-PARTS=("${PARTS[@]/#/ci/}")
+for i in $(echo $1 | cut -s -d ':' -f 2 | sed 's/[][,]//g'); do
+ # Given that there is no yml file for default, we can simply ignore those
+ # parameters. They are necessary to pass in so that matrix can correctly
+ # setup all of the permutations of each individual run.
+ if [[ $i == 'default' ]]; then
+ continue
+ fi
+ FILES+=":ci/$i.yml"
+done
-# Suffix each part with .yml
-PARTS=("${PARTS[@]/%/.yml}")
-
-# Print colon-separated
-IFS=":"
-echo "${PARTS[*]}"
+echo $FILES
--
2.25.1
^ permalink raw reply related [flat|nested] 6+ messages in thread* [meta-zephyr][PATCH 3/5] zephyr-kernel: Factor out Yocto toolchain specific variables
2022-09-06 13:16 [meta-zephyr][PATCH 1/5] Cleanup README.txt files Peter Hoyes
2022-09-06 13:16 ` [meta-zephyr][PATCH 2/5] CI: Use the matrix to ovleray additional Kas files Peter Hoyes
@ 2022-09-06 13:17 ` Peter Hoyes
2022-09-06 13:17 ` [meta-zephyr][PATCH 4/5] zephyr-sdk: Add recipe to download and build the Zephyr SDK Peter Hoyes
` (2 subsequent siblings)
4 siblings, 0 replies; 6+ messages in thread
From: Peter Hoyes @ 2022-09-06 13:17 UTC (permalink / raw)
To: yocto; +Cc: diego.sueiro, Peter Hoyes
From: Peter Hoyes <Peter.Hoyes@arm.com>
Create ZEPHYR_TOOLCHAIN_VARIANT variable with an unchanged default value
of 'yocto'.
To support providing different configuration for different toolchain
variants, require a toolchain-specific inc file.
Create zephyr-toolchain-yocto.inc, and factor out all variables that are
specific to building using the Yocto toolchain.
Signed-off-by: Peter Hoyes <Peter.Hoyes@arm.com>
---
.../zephyr-kernel/zephyr-kernel-common.inc | 15 +++------------
.../zephyr-kernel/zephyr-toolchain-yocto.inc | 16 ++++++++++++++++
2 files changed, 19 insertions(+), 12 deletions(-)
create mode 100644 meta-zephyr-core/recipes-kernel/zephyr-kernel/zephyr-toolchain-yocto.inc
diff --git a/meta-zephyr-core/recipes-kernel/zephyr-kernel/zephyr-kernel-common.inc b/meta-zephyr-core/recipes-kernel/zephyr-kernel/zephyr-kernel-common.inc
index a970abf..5c9d9e5 100644
--- a/meta-zephyr-core/recipes-kernel/zephyr-kernel/zephyr-kernel-common.inc
+++ b/meta-zephyr-core/recipes-kernel/zephyr-kernel/zephyr-kernel-common.inc
@@ -7,8 +7,8 @@ inherit ${ZEPHYR_INHERIT_CLASSES}
# filesystem.
IMAGE_NO_MANIFEST = "1"
-ZEPHYR_GCC_VARIANT="yocto"
-ZEPHYR_SYSROOT="${STAGING_DIR_TARGET}"
+ZEPHYR_TOOLCHAIN_VARIANT ?= "yocto"
+require zephyr-toolchain-${ZEPHYR_TOOLCHAIN_VARIANT}.inc
ZEPHYR_MAKE_OUTPUT = "zephyr.elf"
ZEPHYR_MAKE_BIN_OUTPUT = "zephyr.bin"
@@ -16,13 +16,9 @@ ZEPHYR_MAKE_EFI_OUTPUT = "zephyr.efi"
EXTRA_OECMAKE = "\
-DZEPHYR_BASE=${ZEPHYR_BASE} \
- -DZEPHYR_GCC_VARIANT=yocto \
-DBOARD=${BOARD} \
-DARCH=${ARCH} \
- -DCROSS_COMPILE=${CROSS_COMPILE} \
- -DZEPHYR_SYSROOT=${ZEPHYR_SYSROOT} \
- -DZEPHYR_TOOLCHAIN_VARIANT=yocto \
- -DEXTRA_CPPFLAGS=${CPPFLAGS} \
+ -DZEPHYR_TOOLCHAIN_VARIANT=${ZEPHYR_TOOLCHAIN_VARIANT} \
-DZEPHYR_MODULES=${ZEPHYR_MODULES} \
"
@@ -34,8 +30,6 @@ export ZEPHYR_BASE="${S}/zephyr"
DEPENDS += "gperf-native"
-CROSS_COMPILE = "${STAGING_BINDIR_TOOLCHAIN}/${TARGET_PREFIX}"
-
DEPENDS:append:qemuall = " qemu-native qemu-helper-native"
# The makefiles are explicit about the flags they want, so don't unset
@@ -49,12 +43,9 @@ python () {
d.delVar('LDFLAGS')
}
-OE_TERMINAL_EXPORTS += "CROSS_COMPILE"
OE_TERMINAL_EXPORTS += "BOARD"
OE_TERMINAL_EXPORTS += "ZEPHYR_SRC_DIR"
OE_TERMINAL_EXPORTS += "ZEPHYR_BASE"
-OE_TERMINAL_EXPORTS += "ZEPHYR_SYSROOT"
-OE_TERMINAL_EXPORTS += "ZEPHYR_GCC_VARIANT"
IMAGE_FSTYPES = "elf bin"
diff --git a/meta-zephyr-core/recipes-kernel/zephyr-kernel/zephyr-toolchain-yocto.inc b/meta-zephyr-core/recipes-kernel/zephyr-kernel/zephyr-toolchain-yocto.inc
new file mode 100644
index 0000000..b167695
--- /dev/null
+++ b/meta-zephyr-core/recipes-kernel/zephyr-kernel/zephyr-toolchain-yocto.inc
@@ -0,0 +1,16 @@
+# Additional definitions to use the Yocto toolchain
+
+ZEPHYR_GCC_VARIANT="yocto"
+ZEPHYR_SYSROOT="${STAGING_DIR_TARGET}"
+CROSS_COMPILE = "${STAGING_BINDIR_TOOLCHAIN}/${TARGET_PREFIX}"
+
+EXTRA_OECMAKE:append = " \
+ -DZEPHYR_GCC_VARIANT=${ZEPHYR_GCC_VARIANT} \
+ -DCROSS_COMPILE=${CROSS_COMPILE} \
+ -DZEPHYR_SYSROOT=${ZEPHYR_SYSROOT} \
+ -DEXTRA_CPPFLAGS=${CPPFLAGS} \
+ "
+
+OE_TERMINAL_EXPORTS += "CROSS_COMPILE"
+OE_TERMINAL_EXPORTS += "ZEPHYR_SYSROOT"
+OE_TERMINAL_EXPORTS += "ZEPHYR_GCC_VARIANT"
--
2.25.1
^ permalink raw reply related [flat|nested] 6+ messages in thread* [meta-zephyr][PATCH 4/5] zephyr-sdk: Add recipe to download and build the Zephyr SDK
2022-09-06 13:16 [meta-zephyr][PATCH 1/5] Cleanup README.txt files Peter Hoyes
2022-09-06 13:16 ` [meta-zephyr][PATCH 2/5] CI: Use the matrix to ovleray additional Kas files Peter Hoyes
2022-09-06 13:17 ` [meta-zephyr][PATCH 3/5] zephyr-kernel: Factor out Yocto toolchain specific variables Peter Hoyes
@ 2022-09-06 13:17 ` Peter Hoyes
2022-09-06 13:17 ` [meta-zephyr][PATCH 5/5] zephyr-kernel: Add 'zephyr' toolchain variant Peter Hoyes
2022-09-07 20:08 ` [meta-zephyr][PATCH 1/5] Cleanup README.txt files Jon Mason
4 siblings, 0 replies; 6+ messages in thread
From: Peter Hoyes @ 2022-09-06 13:17 UTC (permalink / raw)
To: yocto; +Cc: diego.sueiro, Peter Hoyes
From: Peter Hoyes <Peter.Hoyes@arm.com>
The Zephyr SDK (https://github.com/zephyrproject-rtos/sdk-ng) provides
pre-built toolchains for all of Zephyr's supported architectures.
Add a recipe to download SDK v0.14.2, in preparation for adding an
option to build Zephyr applications using this toolchain instead of the
Yocto-built one.
Signed-off-by: Peter Hoyes <Peter.Hoyes@arm.com>
---
.../zephyr-sdk/zephyr-sdk_0.14.2.bb | 35 +++++++++++++++++++
1 file changed, 35 insertions(+)
create mode 100644 meta-zephyr-core/recipes-devtools/zephyr-sdk/zephyr-sdk_0.14.2.bb
diff --git a/meta-zephyr-core/recipes-devtools/zephyr-sdk/zephyr-sdk_0.14.2.bb b/meta-zephyr-core/recipes-devtools/zephyr-sdk/zephyr-sdk_0.14.2.bb
new file mode 100644
index 0000000..c893652
--- /dev/null
+++ b/meta-zephyr-core/recipes-devtools/zephyr-sdk/zephyr-sdk_0.14.2.bb
@@ -0,0 +1,35 @@
+SUMMARY = "Zephyr SDK Bundle"
+DESCRIPTION = "Official SDK built using crosstool-ng, distributed by the \
+Zephyr project"
+COMPATIBLE_HOST = "(x86_64|aarch64).*-linux"
+
+LICENSE = "Apache-2.0"
+LIC_FILES_CHKSUM = "file://${COMMON_LICENSE_DIR}/Apache-2.0;md5=89aea4e17d99a7cacdbeed46a0096b10"
+
+INHIBIT_DEFAULT_DEPS = "1"
+# CMake is required by the setup script
+DEPENDS += "cmake"
+
+SDK_ARCHIVE = "zephyr-sdk-${PV}_linux-${BUILD_ARCH}.tar.gz"
+SDK_NAME = "${BUILD_ARCH}"
+SRC_URI = "https://github.com/zephyrproject-rtos/sdk-ng/releases/download/v${PV}/${SDK_ARCHIVE};subdir=${S};name=${SDK_NAME}"
+
+SRC_URI[x86_64.sha256sum] = "2ff0e4d79bffe1468247a3e1958aa9183a0252225ab721cf1c37188bd4b649a2"
+SRC_URI[aarch64.sha256sum] = "cbb616a50e940388ea737788d48dcea3624a85bb3ee04d9aae105496a21ae75e"
+
+do_configure[noexec] = "1"
+do_compile[noexec] = "1"
+
+ZEPHYR_SDK_DIR = "${prefix}/zephyr-sdk"
+
+do_install() {
+ install -d ${D}${prefix}
+ cp -r ${S}/zephyr-sdk-${PV} ${D}${ZEPHYR_SDK_DIR}
+
+ # Install host tools
+ ${D}${ZEPHYR_SDK_DIR}/setup.sh -h
+}
+
+SYSROOT_DIRS += "${ZEPHYR_SDK_DIR}"
+INHIBIT_SYSROOT_STRIP = "1"
+BBCLASSEXTEND = "native"
--
2.25.1
^ permalink raw reply related [flat|nested] 6+ messages in thread* [meta-zephyr][PATCH 5/5] zephyr-kernel: Add 'zephyr' toolchain variant
2022-09-06 13:16 [meta-zephyr][PATCH 1/5] Cleanup README.txt files Peter Hoyes
` (2 preceding siblings ...)
2022-09-06 13:17 ` [meta-zephyr][PATCH 4/5] zephyr-sdk: Add recipe to download and build the Zephyr SDK Peter Hoyes
@ 2022-09-06 13:17 ` Peter Hoyes
2022-09-07 20:08 ` [meta-zephyr][PATCH 1/5] Cleanup README.txt files Jon Mason
4 siblings, 0 replies; 6+ messages in thread
From: Peter Hoyes @ 2022-09-06 13:17 UTC (permalink / raw)
To: yocto; +Cc: diego.sueiro, Peter Hoyes
From: Peter Hoyes <Peter.Hoyes@arm.com>
Add an option to build applications using the Zephyr SDK by specifying
ZEPHYR_TOOLCHAIN_VARIANT="zephyr". This mode works with the zephyr or
poky distros (TCMODE is ignored), allowing Zephyr applications to be
built alongside a Linux stack.
Provide a toolchain-specific inc file for the Zephyr SDK, which
configures the dependencies and CMake appropriately.
Add Zephyr toolchain variant to CI configuration for qemu-cortex-a53,
qemu-cortex-m3 and qemu-x86. Update README.txt
Signed-off-by: Peter Hoyes <Peter.Hoyes@arm.com>
---
.gitlab-ci.yml | 9 +++++++--
README.txt | 10 +++++++---
ci/zephyr-toolchain.yml | 11 +++++++++++
.../zephyr-kernel/zephyr-toolchain-zephyr.inc | 15 +++++++++++++++
4 files changed, 40 insertions(+), 5 deletions(-)
create mode 100644 ci/zephyr-toolchain.yml
create mode 100644 meta-zephyr-core/recipes-kernel/zephyr-kernel/zephyr-toolchain-zephyr.inc
diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 22a8ef9..145aefd 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -79,6 +79,9 @@ nrf52840dk-nrf52840:
qemu-cortex-a53:
extends: .build
+ parallel:
+ matrix:
+ - TOOLCHAIN: [default, zephyr-toolchain]
qemu-cortex-m0:
extends: .build
@@ -90,7 +93,8 @@ qemu-cortex-m3:
extends: .build
parallel:
matrix:
- - TESTING: testimage
+ - TOOLCHAIN: [default, zephyr-toolchain]
+ TESTING: testimage
qemu-cortex-r5:
extends: .build
@@ -102,7 +106,8 @@ qemu-x86:
extends: .build
parallel:
matrix:
- - TESTING: testimage
+ - TOOLCHAIN: [default, zephyr-toolchain]
+ TESTING: testimage
stm32mp157c-dk2:
extends: .build
diff --git a/README.txt b/README.txt
index ec860fd..4776a8a 100644
--- a/README.txt
+++ b/README.txt
@@ -14,9 +14,6 @@ This layer depends on:
Python layer (meta-openembedded/meta-python)
git://git.openembedded.org/meta-openembedded
-Modify local conf by adding:
- DISTRO="zephyr"
-
Add "meta-openembedded/meta-oe" to BBLAYERS
Add "meta-openembedded/meta-python" to BBLAYERS
Add "meta-zephyr-core" and "meta-zephyr-bsp" to BBLAYERS
@@ -25,6 +22,13 @@ Building and Running Zephyr Samples
===================================
You can build Zephyr samples. There are several sample recipes.
+
+To use the Yocto toolchain, modify local conf by adding:
+ DISTRO="zephyr"
+
+To use the Zephyr pre-built toolchain, modify local conf by adding:
+ ZEPHYR_TOOLCHAIN_VARIANT = "zephyr"
+
For example, to build the Zephyr "philosophers" sample:
$ MACHINE=qemu-x86 bitbake zephyr-philosophers
diff --git a/ci/zephyr-toolchain.yml b/ci/zephyr-toolchain.yml
new file mode 100644
index 0000000..ab8baa3
--- /dev/null
+++ b/ci/zephyr-toolchain.yml
@@ -0,0 +1,11 @@
+header:
+ version: 11
+
+# The Zephyr toolchain is standalone and does not depend on TCMODE or TCLIB, so
+# validate that it is possible to build Zephyr applications alongside a
+# poky-based Linux distro
+distro: poky
+
+local_conf_header:
+ zephyr-toolchain: |
+ ZEPHYR_TOOLCHAIN_VARIANT = "zephyr"
diff --git a/meta-zephyr-core/recipes-kernel/zephyr-kernel/zephyr-toolchain-zephyr.inc b/meta-zephyr-core/recipes-kernel/zephyr-kernel/zephyr-toolchain-zephyr.inc
new file mode 100644
index 0000000..9987e3c
--- /dev/null
+++ b/meta-zephyr-core/recipes-kernel/zephyr-kernel/zephyr-toolchain-zephyr.inc
@@ -0,0 +1,15 @@
+# Additional definitions to use the Zephyr SDK
+
+# Configure usage of the Zephyr SDK
+INHIBIT_DEFAULT_DEPS = "1"
+DEPENDS += "zephyr-sdk-native"
+export ZEPHYR_SDK_INSTALL_DIR="${STAGING_DIR_NATIVE}${prefix}/zephyr-sdk"
+OE_TERMINAL_EXPORTS += "ZEPHYR_SDK_INSTALL_DIR"
+
+# The Zephyr SDK does not require a CMake toolchain file
+EXTRA_OECMAKE:append = " -DCMAKE_TOOLCHAIN_FILE="
+deltask generate_toolchain_file
+
+# Provide a suitable location to store the toolchain capabilites cache
+ZEPHYR_USER_CACHE_DIR = "${B}/.cache"
+EXTRA_OECMAKE:append = " -DUSER_CACHE_DIR=${ZEPHYR_USER_CACHE_DIR}"
--
2.25.1
^ permalink raw reply related [flat|nested] 6+ messages in thread* Re: [meta-zephyr][PATCH 1/5] Cleanup README.txt files
2022-09-06 13:16 [meta-zephyr][PATCH 1/5] Cleanup README.txt files Peter Hoyes
` (3 preceding siblings ...)
2022-09-06 13:17 ` [meta-zephyr][PATCH 5/5] zephyr-kernel: Add 'zephyr' toolchain variant Peter Hoyes
@ 2022-09-07 20:08 ` Jon Mason
4 siblings, 0 replies; 6+ messages in thread
From: Jon Mason @ 2022-09-07 20:08 UTC (permalink / raw)
To: Peter Hoyes; +Cc: yocto, diego.sueiro
I ran this series though CI and it passes
See https://gitlab.com/jonmason00/meta-zephyr/-/pipelines/633557829
Thanks,
Jon
On Tue, Sep 06, 2022 at 02:16:58PM +0100, Peter Hoyes wrote:
> From: Peter Hoyes <Peter.Hoyes@arm.com>
>
> The README.txt files at the root and in meta-zephyr-core are identical,
> so replace the copy inside meta-zephyr-core with "See ../README.txt" to
> remove the need to keep two files in sync.
>
> Add a similar README.txt to meta-zephyr-bsp.
>
> Signed-off-by: Peter Hoyes <Peter.Hoyes@arm.com>
> ---
> meta-zephyr-bsp/README.txt | 1 +
> meta-zephyr-core/README.txt | 120 +-----------------------------------
> 2 files changed, 2 insertions(+), 119 deletions(-)
> create mode 100644 meta-zephyr-bsp/README.txt
>
> diff --git a/meta-zephyr-bsp/README.txt b/meta-zephyr-bsp/README.txt
> new file mode 100644
> index 0000000..2644ed0
> --- /dev/null
> +++ b/meta-zephyr-bsp/README.txt
> @@ -0,0 +1 @@
> +See ../README.txt
> diff --git a/meta-zephyr-core/README.txt b/meta-zephyr-core/README.txt
> index 5a0ccc7..2644ed0 100644
> --- a/meta-zephyr-core/README.txt
> +++ b/meta-zephyr-core/README.txt
> @@ -1,119 +1 @@
> -Building Zephyr Images via bitbake recipes
> -==========================================
> -
> -More detailed and up-to-date information can be found here:
> -
> -https://wiki.yoctoproject.org/wiki/TipsAndTricks/BuildingZephyrImages
> -
> -Prerequisites:
> -==============
> -
> -This layer depends on:
> - Yocto distro (master)
> - git://git.yoctoproject.org/poky
> - Python layer (meta-openembedded/meta-python)
> - git://git.openembedded.org/meta-openembedded
> -
> -Modify local conf by adding:
> - DISTRO="zephyr"
> -
> -Add "meta-openembedded/meta-oe" to BBLAYERS
> -Add "meta-openembedded/meta-python" to BBLAYERS
> -Add "meta-zephyr" to BBLAYERS
> -
> -Building and Running Zephyr Samples
> -===================================
> -
> -You can build Zephyr samples. There are several sample recipes.
> -For example, to build the Zephyr "philosophers" sample:
> -
> - $ MACHINE=qemu-x86 bitbake zephyr-philosophers
> -
> -You can then run the created "philosophers" image in qemu:
> -
> - $ runqemu qemu-x86
> -
> -The same sample, for ARM image:
> -
> - $ MACHINE=qemu-cortex-m3 bitbake zephyr-philosophers
> - $ runqemu qemu-cortex-m3
> -
> -The same sample, for Nios2 image:
> -
> - $ MACHINE=qemu-nios2 bitbake zephyr-philosophers
> - $ runqemu qemu-nios2
> -
> -Flashing
> -=================================
> -
> -You can flash Zephyr samples to boards. Currently, the following MACHINEs
> -are supported:
> - * DFU:
> - - arduino-101-sss
> - - arduino-101
> - - arduino-101-ble
> - * pyocd:
> - - 96b-nitrogen
> -
> -To flash the example you built with command e.g.
> -
> - $ MACHINE=96b-nitrogen bitbake zephyr-philosophers
> -
> -call similar command with explicit flash_usb command:
> -
> - $ MACHINE=96b-nitrogen bitbake zephyr-philosophers -c flash_usb
> -
> -dfu-util and/or pyocd need to be installed in your system. If you observe
> -permission errors or the flashing process seem to hang, follow those instructions:
> -https://github.com/pyocd/pyOCD/tree/master/udev
> -
> -By default, pyocd tries to flash all the attached probes. This behaviour can be
> -customised by defining the PYOCD_FLASH_IDS variable as a space-separated list
> -of IDs. Once that is set, the tool will only try to program these IDs. You can
> -query for the IDs by running `pyocd list` on your host while having the probes
> -attached. Besides setting this variable through the build's configuration or
> -metadata, you can also inject its value from command line with something like:
> -
> - $ PYOCD_FLASH_IDS='<ID1> <ID2> <ID3>' BB_ENV_EXTRAWHITE="$BB_ENV_EXTRAWHITE PYOCD_FLASH_IDS" bitbake <TARGET> -c flash_usb
> -
> -Building and Running Zephyr Tests
> -=================================
> -Presently only toolchains for ARM, x86, IAMCU and Nios2 are supported.
> -(For ARM we use CortexM3 toolchain)
> -
> -To run Zephyr Test using Yocto Image Tests, ensure following in local.conf:
> -
> - INHERIT += "testimage"
> -
> -You can build and test an individual existing Zephyr test.
> -This is done by appending the actual test name to the "zephyr-kernel-test",
> -for example:
> -
> - $ MACHINE=qemu-x86 bitbake zephyr-kernel-test-sleep
> - $ MACHINE=qemu-x86 bitbake zephyr-kernel-test-sleep -c testimage
> -
> -You can also build and run all Zephyr existing tests (as listed in the file
> -zephyr-kernel-test.inc). For example:
> -
> - $ MACHINE=qemu-x86 bitbake zephyr-kernel-test-all
> - $ MACHINE=qemu-x86 bitbake zephyr-kernel-test-all -c testimage
> -or
> - $ MACHINE=qemu-cortex-m3 bitbake zephyr-kernel-test-all
> - $ MACHINE=qemu-cortex-m3 bitbake zephyr-kernel-test-all -c testimage
> -or
> - $ MACHINE=qemu-nios2 bitbake zephyr-kernel-test-all
> - $ MACHINE=qemu-nios2 bitbake zephyr-kernel-test-all -c testimage
> -
> -
> -Contributing
> -============
> -
> -Patches for meta-zephyr should be sent to the yocto@lists.yoctoproject.org
> -mailing list. See https://lists.yoctoproject.org/g/yocto for subscription
> -details and the list archive. Please add [meta-zephyr] to the subject so
> -the patches are identifable.
> -
> -Git can be configured to send mails appropriately when using git send-email:
> -
> -$ git config --local sendemail.to yocto@lists.yoctoproject.org
> -$ git config --local format.subjectPrefix meta-zephyr][PATCH
> +See ../README.txt
> --
> 2.25.1
>
>
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