diff options
Diffstat (limited to 'tools/binman/README')
| -rw-r--r-- | tools/binman/README | 22 |
1 files changed, 20 insertions, 2 deletions
diff --git a/tools/binman/README b/tools/binman/README index 4b13776ffa..df88819a1c 100644 --- a/tools/binman/README +++ b/tools/binman/README @@ -324,6 +324,12 @@ offset-unset: property is present, binman will give an error if another entry does not set the offset (with the GetOffsets() method). +image-pos: + This cannot be set on entry (or at least it is ignored if it is), but + with the -u option, binman will set it to the absolute image position + for each entry. This makes it easy to find out exactly where the entry + ended up in the image, regardless of parent sections, etc. + The attributes supported for images are described below. Several are similar to those for entries. @@ -550,8 +556,8 @@ the 'warning' line in scripts/Makefile.lib to see what it has found: # u_boot_dtsi_options_debug = $(u_boot_dtsi_options_raw) -Access to binman entry offsets at run time ------------------------------------------- +Access to binman entry offsets at run time (symbols) +---------------------------------------------------- Binman assembles images and determines where each entry is placed in the image. This information may be useful to U-Boot at run time. For example, in SPL it @@ -577,6 +583,18 @@ At present this feature is only supported in SPL. In principle it is possible to fill in such symbols in U-Boot proper, as well. +Access to binman entry offsets at run time (fdt) +------------------------------------------------ + +Binman can update the U-Boot FDT to include the final position and size of +each entry in the images it processes. The option to enable this is -u and it +causes binman to make sure that the 'offset', 'image-pos' and 'size' properties +are set correctly for every entry. Since it is not necessary to specify these in +the image definition, binman calculates the final values and writes these to +the device tree. These can be used by U-Boot at run-time to find the location +of each entry. + + Map files --------- |