| Message ID | 0c399cdc-7a89-4482-a7fe-780da9ad6ca2@epam.com (mailing list archive) |
|---|---|
| State | New |
| Headers | show |
| Series | [ImageBuilder] uboot-script-gen: add debug option to print final dt "chosen" node | expand |
On Mon, 17 Mar 2025, Grygorii Strashko wrote: > Add debug DBG_FDT_PRINT_CHOSEN config file option which adds > print of DT "chosen" node at the end of generated U-boot script. > > This is useful for debug and development purposes. > > Example: > ... > setenv fdt_high 0xffffffffffffffff > fdt print /chosen > booti 0x43000000 - 0x43200000 > > Signed-off-by: Grygorii Strashko <grygorii_strashko@epam.com> Reviewed-by: Stefano Stabellini <sstabellini@kernel.org> > --- > README.md | 8 ++++++++ > scripts/uboot-script-gen | 5 +++++ > 2 files changed, 13 insertions(+) > > diff --git a/README.md b/README.md > index 4ba430ce74c5..5b75018ea956 100644 > --- a/README.md > +++ b/README.md > @@ -396,3 +396,11 @@ disk\_image supports these additional parameters on the > config file: > disk_image also generates on the fly a xl config file for each domU and > adds them to the dom0 rootfs partition under /etc/xen. It makes it > easier to start those domUs from dom0. > + > + > +## Debug > + > +This section defines config file debug options > + > +- DBG_FDT_PRINT_CHOSEN specifies that U-Boot script command to print DT > "chosen" > + node will be added to the boot script. > diff --git a/scripts/uboot-script-gen b/scripts/uboot-script-gen > index 0607542b1872..74e3b076910c 100755 > --- a/scripts/uboot-script-gen > +++ b/scripts/uboot-script-gen > @@ -1357,6 +1357,11 @@ device_tree_editing $device_tree_addr > # disable device tree reloation > echo "setenv fdt_high 0xffffffffffffffff" >> $UBOOT_SOURCE > +if test "$DBG_FDT_PRINT_CHOSEN" > +then > + echo "fdt print /chosen" >> $UBOOT_SOURCE > +fi > + > # append extra u-boot commands (fixups) to script before boot command > if test "$APPEND_EXTRA_CMDS" > then > -- > 2.34.1 >
diff --git a/README.md b/README.md index 4ba430ce74c5..5b75018ea956 100644 --- a/README.md +++ b/README.md @@ -396,3 +396,11 @@ disk\_image supports these additional parameters on the config file: disk_image also generates on the fly a xl config file for each domU and adds them to the dom0 rootfs partition under /etc/xen. It makes it easier to start those domUs from dom0. + + +## Debug + +This section defines config file debug options + +- DBG_FDT_PRINT_CHOSEN specifies that U-Boot script command to print DT "chosen" + node will be added to the boot script. diff --git a/scripts/uboot-script-gen b/scripts/uboot-script-gen index 0607542b1872..74e3b076910c 100755 --- a/scripts/uboot-script-gen +++ b/scripts/uboot-script-gen @@ -1357,6 +1357,11 @@ device_tree_editing $device_tree_addr # disable device tree reloation echo "setenv fdt_high 0xffffffffffffffff" >> $UBOOT_SOURCE +if test "$DBG_FDT_PRINT_CHOSEN" +then + echo "fdt print /chosen" >> $UBOOT_SOURCE +fi + # append extra u-boot commands (fixups) to script before boot command if test "$APPEND_EXTRA_CMDS" then
Add debug DBG_FDT_PRINT_CHOSEN config file option which adds print of DT "chosen" node at the end of generated U-boot script. This is useful for debug and development purposes. Example: ... setenv fdt_high 0xffffffffffffffff fdt print /chosen booti 0x43000000 - 0x43200000 Signed-off-by: Grygorii Strashko <grygorii_strashko@epam.com> --- README.md | 8 ++++++++ scripts/uboot-script-gen | 5 +++++ 2 files changed, 13 insertions(+)