The current support for updating variables in a binary is hard-coded to work with U-Boot:
- It assumes the image starts at __image_copy_start - It uses the existing U-Boot-specific entry types It is useful for other projects to use these feature. Add properties to enable writing symbols for any blob, a way of specifying the base symbol and a way of providing the ELF filename to allow symbol lookup to take place. With this it is possible to update a Zephyr image, such as zephyr.bin after it has been built. Signed-off-by: Simon Glass <s...@chromium.org> --- tools/binman/binman.rst | 25 ++++++++++++++++++++++ tools/binman/elf.py | 8 +++++-- tools/binman/entry.py | 3 ++- tools/binman/etype/blob.py | 6 ++++++ tools/binman/etype/u_boot_spl.py | 1 - tools/binman/ftest.py | 19 +++++++++++++++++ tools/binman/test/273_blob_symbol.dts | 24 +++++++++++++++++++++ tools/binman/test/Makefile | 9 +++++++- tools/binman/test/blob_syms.c | 20 ++++++++++++++++++ tools/binman/test/blob_syms.lds | 30 +++++++++++++++++++++++++++ 10 files changed, 140 insertions(+), 5 deletions(-) create mode 100644 tools/binman/test/273_blob_symbol.dts create mode 100644 tools/binman/test/blob_syms.c create mode 100644 tools/binman/test/blob_syms.lds Applied to u-boot-dm, thanks!