This page is intended to be a collection place for tips and tricks related to Yocto layers and how Yocto works under Petalinux.
Table of Contents
Documentation
The first place you should start to better understand many details of the Yocto project is the Yocto project website.
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Create a
fsbl bbappend file and add below content
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$ vim <plnx-proj-root>/project-spec/meta-user/recipes-bsp/fsbl/fsbl_%.bbappend
# From 2021.1 onwards
$ vim <plnx-proj-root>/project-spec/meta-user/recipes-bsp/embeddedsw/fsbl-firmware_%.bbappend |
To enable debugs in FSBL:
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#Add debug for FSBL
XSCTH_BUILD_DEBUG = "1" |
To add compiler flags in FSBL:
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#Add compiler flags for FSBL
YAML_COMPILER_FLAGS_append = " -DFSBL_PROT_BYPASS" |
To add BSP flags(secure mode) in FSBL:
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#Add BSP flags for FSBL
YAML_BSP_CONFIG += "secure_mode"
YAML_BSP_CONFIG[secure_mode] = "set,true" |
Create a
pmu-firmware_%.bbappend file and add below content
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$ vim <plnx-proj-root>/project-spec/meta-user/recipes-bsp/pmu/pmu-firmware_%.bbappend
#For v2018.1 or later PetaLinux releases only
$ vim <plnx-proj-root>/project-spec/meta-user/recipes-bsp/pmu-firmware/pmu-firmware_%.bbappend |
To enable debugs in PMUFW refer this
https://xilinx-wiki.atlassian.net/wiki/spaces/A/pages/18841724/PMU+Firmware page for DEBUG flags list
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#Add debug for PMUFW
XSCTH_BUILD_DEBUG = "1" |
To add compiler flags in PMUFW, see
PMU FW Build Flags:
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#Add compiler flags for PMUFW
YAML_COMPILER_FLAGS_append = " -DDEBUG_MODE -DXPFW_DEBUG_DETAILED" |
To add BSP flags(secure mode) in PMUFW:
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#Add BSP flags for PMUFW
YAML_BSP_CONFIG += "secure_mode"
YAML_BSP_CONFIG[secure_mode] = "set,true" |
To add BSP flags(debug mode) in PMUFW: For example if you want to enable https://github.com/Xilinx/embeddedsw/blob/release-2018.3/lib/sw_apps/zynqmp_pmufw/misc/xfpga_config.h#L34 debug is Xil BSP libraries
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#Add BSP flags for PMUFW
YAML_BSP_CONFIG += "debug_mode"
YAML_BSP_CONFIG[debug_mode] = "set,true" |
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In Petalinux Flow:
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$ petalinux-create -t apps --template install --name libcpsample --enable
$ cp libcpsample.so.1.0.1 <plnx-proj-root>/project-spec/meta-user/recipes-apps/libcpsample/files
$ cp cpsample.h <plnx-proj-root>/project-spec/meta-user/recipes-apps/libcpsample/files |
(or) You can use the below single command to achieve the above functionality.
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$ petalinux-create -t apps --template install --name libcpsample --enable --srcuri "<path-to-dir>/libcpsample.so.1.0.1 <path-to-dir>/cpsample.h>" |
In Yocto Flow:
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$ mkdir -p <layer-path>/recipes-apps/libcpsample/files
$ touch <layer-path>/recipes-apps/libcpsample/libcpsample.bb
$ cp libcpsample.so.1.0.1 <layer-path>/recipes-apps/libcpsample/files
$ cp cpsample.h <layer-path>/recipes-apps/libcpsample/files |
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