[PATCH v3 00/19] binman: Simple templating feature and mkimage conversion

Simon Glass sjg at chromium.org
Mon Jul 10 23:38:45 CEST 2023


Hi Jan,

On Mon, 10 Jul 2023 at 12:40, Jan Kiszka <jan.kiszka at siemens.com> wrote:
>
> On 10.07.23 18:00, Simon Glass wrote:
> > Hi Jan,
> >
> > On Sun, 9 Jul 2023 at 23:21, Jan Kiszka <jan.kiszka at siemens.com> wrote:
> >>
> >> On 10.07.23 04:40, Simon Glass wrote:
> >>> This series converts the mkimage entry type to be a section, i.e. based on
> >>> the entry_Section class. This makes it more consistent in its behaviour,
> >>> e.g. allowing symbol writing and expanded entries.
> >>>
> >>> A simple templating feature is also introduced, to reduce duplication
> >>> when a set of entries must be used in multiple images.
> >>>
> >>> In this version the nodes from the template are placed before any other
> >>> nodes, meaning that the template sets the node order. This seems more
> >>> consistent than other mechanisms.
> >>>
> >>> Changes in v3:
> >>> - Add new patch for elf to return number of written symbols
> >>> - Add new patch with more detail on how ObtainContents() works
> >>> - Fix up some tests which now need SPL and TPL
> >>> - Avoid calling ObtainContents() when not needed
> >>> - Fix 'specific' typo
> >>> - Add a new devicetree file especially for node copying
> >>> - Correct logic for merging nodes in order
> >>> - Tidy up some comments
> >>> - Adjust to use the new example file
> >>> - Drop duplicate dts-v1 header
> >>> - Add new test case for templating in a FIT
> >>> - Add new patch to support writing symbols inside a mkimage image
> >>>
> >>> Changes in v2:
> >>> - Drop now-unnecessary methods in mkimage etype
> >>> - Correct ordering of template nodes
> >>> - Fix 'preseverd' and 'inserter' typos
> >>>
> >>> Marek Vasut (1):
> >>>   binman: Convert mkimage to Entry_section
> >>>
> >>> Simon Glass (18):
> >>>   binman: Correct coverage gap in control
> >>>   binman: Init align_default in entry_Section
> >>>   binman: Use GetEntries() to obtain section contents
> >>>   binman: Read _multiple_data_files in the correct place
> >>>   binman: Allow disabling symbol writing
> >>>   stm32mp15: Avoid writing symbols in SPL
> >>>   binman: Update elf to return number of written symbols
> >>>   binman: Add more detail on how ObtainContents() works
> >>>   binman: Provide a way to specify the fdt-list directly
> >>>   binman: Drop __bss_size variable in bss_data.c
> >>>   binman: Correct handling of zero bss size
> >>>   dtoc: Support copying the contents of a node into another
> >>>   dtoc: Allow inserting a list of nodes into another
> >>>   binman: Support simple templates
> >>>   binman: Support templating with multiple images
> >>>   binman: Add a test for templating in a FIT
> >>>   binman: Support templates at any level
> >>>   binman: Support writing symbols inside a mkimage image
> >>>
> >>>  arch/arm/dts/stm32mp15-u-boot.dtsi         |   1 +
> >>>  tools/binman/binman.rst                    |  89 +++++++++
> >>>  tools/binman/control.py                    |  34 +++-
> >>>  tools/binman/elf.py                        |  13 +-
> >>>  tools/binman/elf_test.py                   |  13 +-
> >>>  tools/binman/entries.rst                   |   6 +
> >>>  tools/binman/entry.py                      |  11 +-
> >>>  tools/binman/etype/blob_phase.py           |   5 +
> >>>  tools/binman/etype/fit.py                  |   9 +
> >>>  tools/binman/etype/mkimage.py              | 110 ++++++++---
> >>>  tools/binman/etype/section.py              |  54 +++--
> >>>  tools/binman/etype/u_boot_spl_bss_pad.py   |   2 +-
> >>>  tools/binman/etype/u_boot_tpl_bss_pad.py   |   2 +-
> >>>  tools/binman/etype/u_boot_vpl_bss_pad.py   |   2 +-
> >>>  tools/binman/ftest.py                      | 218 ++++++++++++++++++++-
> >>>  tools/binman/test/282_symbols_disable.dts  |  25 +++
> >>>  tools/binman/test/283_mkimage_special.dts  |  24 +++
> >>>  tools/binman/test/284_fit_fdt_list.dts     |  58 ++++++
> >>>  tools/binman/test/285_spl_expand.dts       |  13 ++
> >>>  tools/binman/test/286_template.dts         |  42 ++++
> >>>  tools/binman/test/287_template_multi.dts   |  27 +++
> >>>  tools/binman/test/288_template_fit.dts     |  37 ++++
> >>>  tools/binman/test/289_template_section.dts |  52 +++++
> >>>  tools/binman/test/290_mkimage_sym.dts      |  27 +++
> >>>  tools/binman/test/Makefile                 |   5 +-
> >>>  tools/binman/test/bss_data.c               |   3 +-
> >>>  tools/binman/test/bss_data_zero.c          |  16 ++
> >>>  tools/binman/test/bss_data_zero.lds        |  15 ++
> >>>  tools/binman/test/embed_data.lds           |   1 +
> >>>  tools/dtoc/fdt.py                          | 122 +++++++++++-
> >>>  tools/dtoc/test/dtoc_test_copy.dts         |  86 ++++++++
> >>>  tools/dtoc/test_fdt.py                     |  93 +++++++++
> >>>  32 files changed, 1147 insertions(+), 68 deletions(-)
> >>>  create mode 100644 tools/binman/test/282_symbols_disable.dts
> >>>  create mode 100644 tools/binman/test/283_mkimage_special.dts
> >>>  create mode 100644 tools/binman/test/284_fit_fdt_list.dts
> >>>  create mode 100644 tools/binman/test/285_spl_expand.dts
> >>>  create mode 100644 tools/binman/test/286_template.dts
> >>>  create mode 100644 tools/binman/test/287_template_multi.dts
> >>>  create mode 100644 tools/binman/test/288_template_fit.dts
> >>>  create mode 100644 tools/binman/test/289_template_section.dts
> >>>  create mode 100644 tools/binman/test/290_mkimage_sym.dts
> >>>  create mode 100644 tools/binman/test/bss_data_zero.c
> >>>  create mode 100644 tools/binman/test/bss_data_zero.lds
> >>>  create mode 100644 tools/dtoc/test/dtoc_test_copy.dts
> >>>
> >>
> >> Works much better!
> >>
> >> What does not work yet:
> >>
> >> /dts-v1/;
> >>
> >> / {
> >>         binman: binman {
> >>                 multiple-images;
> >>
> >>                 my_template: template {
> >>                         size = <0x100>;
> >>                         pad-byte = <0xff>;
> >>
> >>                         blob at 0 {
> >>                                 filename = "my-blob.bin";
> >>                         };
> >>                 };
> >>
> >>                 image {
> >>                         filename = "my-image.bin";
> >>                         insert-template = <&my_template>;
> >>                 };
> >>         };
> >> };
> >>
> >> The properties size and pad-byte get lost in this case.
> >
> > Yes it does not copy the properties, only the subnodes. It could
> > certainly be implemented...is that needed?
>
> I can duplicate the entries into the images, works but not nice. Or is
> it possible to pull them as defaults onto the binman level?

Well it shouldn't be hard to implement this. I'll take a look in the morning.

Regards,
Simon


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