This was intentional. You are supposed to define a new machine file that
includes the generic machine of your choice, and then define the HDF_MACHINE for
your BSP after that.
We are seeing too many people just modifying HDF_MACHINE in their local.conf
file and getting unpredictable results as the YAML configuration and other
values no longer match the configured system. This is leading to support
questions. The correct behavior is to define your own machine that sets these
after the included generic machine.
Note, we are also working on a tool that will generate the machine .conf file
for you, based on your XSA file. Hopefully we can release an early version of
the tool soon. But until then, see the README file:
https://github.com/Xilinx/meta-xilinx/blob/master/meta-xilinx-core/conf/machine/README
Also if you are only doing this in a local build, you can define a machine in
the build directory as well.. i.e.:
build/conf/machine/my-example.conf:
#### Preamble
MACHINEOVERRIDES =. "${@['', 'my-example:']['my-example' != '${MACHINE}']}"
#### Regular settings follow
require conf/machine/zynqmp-ev-generic.conf
HDF_MACHINE = "my-example-machine"
#### No additional settings should be after the Postamble
#### Postamble
PACKAGE_EXTRA_ARCHS:append = "${@['', ' my_example']['my-example' !=
"${MACHINE}"]}"
--Mark
On 11/6/22 8:07 AM, Livius wrote:
From: Benjamin Szőke <[email protected]>
HDF_MACHINE value must be assigned in weak mode in generic.conf files to be
able to use any own HDF_MACHINE value in a custom machine conf file, like was
demonstrated in README.md of machines.
---
meta-xilinx-core/conf/machine/microblaze-generic.conf | 2 +-
meta-xilinx-core/conf/machine/versal-generic.conf | 2 +-
meta-xilinx-core/conf/machine/versal-net-generic.conf | 2 +-
meta-xilinx-core/conf/machine/zynq-generic.conf | 2 +-
meta-xilinx-core/conf/machine/zynqmp-generic.conf | 2 +-
5 files changed, 5 insertions(+), 5 deletions(-)
diff --git a/meta-xilinx-core/conf/machine/microblaze-generic.conf
b/meta-xilinx-core/conf/machine/microblaze-generic.conf
index 92412681..d28d006a 100644
--- a/meta-xilinx-core/conf/machine/microblaze-generic.conf
+++ b/meta-xilinx-core/conf/machine/microblaze-generic.conf
@@ -46,7 +46,7 @@ UBOOT_MACHINE ?= "microblaze-generic_defconfig"
UBOOT_INITIAL_ENV = ""
BOOTMODE ?= "generic.root"
-HDF_MACHINE = "kc705-microblazeel"
+HDF_MACHINE ??= "kc705-microblazeel"
IMAGE_FSTYPES += "cpio.gz"
QB_KERNEL_CMDLINE = "none"
diff --git a/meta-xilinx-core/conf/machine/versal-generic.conf
b/meta-xilinx-core/conf/machine/versal-generic.conf
index 9b9ebf31..54a3e631 100644
--- a/meta-xilinx-core/conf/machine/versal-generic.conf
+++ b/meta-xilinx-core/conf/machine/versal-generic.conf
@@ -26,7 +26,7 @@ SERIAL_CONSOLES ?= "115200;ttyAMA0"
MACHINE_ESSENTIAL_EXTRA_RDEPENDS += "device-tree"
-HDF_MACHINE = "vck190-versal"
+HDF_MACHINE ??= "vck190-versal"
# Default SD image build onfiguration, use qemu-sd to pad
IMAGE_CLASSES += "image-types-xilinx-qemu"
diff --git a/meta-xilinx-core/conf/machine/versal-net-generic.conf
b/meta-xilinx-core/conf/machine/versal-net-generic.conf
index 1941235a..c0864a84 100644
--- a/meta-xilinx-core/conf/machine/versal-net-generic.conf
+++ b/meta-xilinx-core/conf/machine/versal-net-generic.conf
@@ -19,7 +19,7 @@ MACHINEOVERRIDES:class-native = "versal-net"
MACHINEOVERRIDES:class-nativesdk = "versal-net"
#### REMOVE THE ABOVE
-HDF_MACHINE = "versal-net-generic"
+HDF_MACHINE ??= "versal-net-generic"
QEMU_HW_DTB_PS = "${QEMU_HW_DTB_PATH}/board-versal-net-psx-spp-1.4.dtb"
QEMU_HW_DTB_PMC = "${QEMU_HW_DTB_PATH}/board-versal-pmx-virt.dtb"
diff --git a/meta-xilinx-core/conf/machine/zynq-generic.conf
b/meta-xilinx-core/conf/machine/zynq-generic.conf
index e8ecfb34..34e3eff7 100644
--- a/meta-xilinx-core/conf/machine/zynq-generic.conf
+++ b/meta-xilinx-core/conf/machine/zynq-generic.conf
@@ -31,7 +31,7 @@ IMAGE_BOOT_FILES += " \
boot.scr \
"
-HDF_MACHINE = "zc702-zynq7"
+HDF_MACHINE ??= "zc702-zynq7"
IMAGE_CLASSES += "image-types-xilinx-qemu"
# Add wic.qemu-sd only if initramfs_image not set due to circular dependecies
IMAGE_FSTYPES += "${@'wic.qemu-sd' if (d.getVar('INITRAMFS_IMAGE') or '') == ''
else 'cpio.gz'}"
diff --git a/meta-xilinx-core/conf/machine/zynqmp-generic.conf
b/meta-xilinx-core/conf/machine/zynqmp-generic.conf
index 32de4d50..fbeb3a06 100644
--- a/meta-xilinx-core/conf/machine/zynqmp-generic.conf
+++ b/meta-xilinx-core/conf/machine/zynqmp-generic.conf
@@ -44,7 +44,7 @@ SERIAL_CONSOLES ?= "115200;ttyPS0"
MACHINE_ESSENTIAL_EXTRA_RDEPENDS += "device-tree"
# We need a generic one that works with QEMU...
-HDF_MACHINE = "zcu102-zynqmp"
+HDF_MACHINE ??= "zcu102-zynqmp"
EXTRA_IMAGEDEPENDS += " \
u-boot-zynq-uenv \
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