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| author | Simon Glass <sjg@chromium.org> | 2021-03-18 20:24:55 +1300 |
|---|---|---|
| committer | Simon Glass <sjg@chromium.org> | 2021-03-26 17:03:09 +1300 |
| commit | dccdc38247a6b6e95dd4df3f58fd79bc3c785d00 (patch) | |
| tree | 85d4b19d9cb5fd79a11797373b91836c49c46efc | |
| parent | adc59eaff7040f46d91b019048b34448e7eff325 (diff) | |
| download | u-boot-dccdc38247a6b6e95dd4df3f58fd79bc3c785d00.tar.gz u-boot-dccdc38247a6b6e95dd4df3f58fd79bc3c785d00.tar.bz2 u-boot-dccdc38247a6b6e95dd4df3f58fd79bc3c785d00.zip | |
binman: Correct the documentation for u-boot-spl-bss-pad
The documentation for this entry indicates that the SPL binary is included
along with the padding. It is not, so update it to correct the error.
Signed-off-by: Simon Glass <sjg@chromium.org>
| -rw-r--r-- | tools/binman/README.entries | 17 | ||||
| -rw-r--r-- | tools/binman/etype/u_boot_spl_bss_pad.py | 17 |
2 files changed, 20 insertions, 14 deletions
diff --git a/tools/binman/README.entries b/tools/binman/README.entries index 3fbc06d926..5c6663e2c7 100644 --- a/tools/binman/README.entries +++ b/tools/binman/README.entries @@ -960,13 +960,16 @@ Entry: u-boot-spl-bss-pad: U-Boot SPL binary padded with a BSS region Properties / Entry arguments: None -This is similar to u_boot_spl except that padding is added after the SPL -binary to cover the BSS (Block Started by Symbol) region. This region holds -the various used by SPL. It is set to 0 by SPL when it starts up. If you -want to append data to the SPL image (such as a device tree file), you must -pad out the BSS region to avoid the data overlapping with U-Boot variables. -This entry is useful in that case. It automatically pads out the entry size -to cover both the code, data and BSS. +This holds the padding added after the SPL binary to cover the BSS (Block +Started by Symbol) region. This region holds the various variables used by +SPL. It is set to 0 by SPL when it starts up. If you want to append data to +the SPL image (such as a device tree file), you must pad out the BSS region +to avoid the data overlapping with U-Boot variables. This entry is useful in +that case. It automatically pads out the entry size to cover both the code, +data and BSS. + +The contents of this entry will a certain number of zero bytes, determined +by __bss_size The ELF file 'spl/u-boot-spl' must also be available for this to work, since binman uses that to look up the BSS address. diff --git a/tools/binman/etype/u_boot_spl_bss_pad.py b/tools/binman/etype/u_boot_spl_bss_pad.py index df15cd24ce..18c5596bd3 100644 --- a/tools/binman/etype/u_boot_spl_bss_pad.py +++ b/tools/binman/etype/u_boot_spl_bss_pad.py @@ -18,13 +18,16 @@ class Entry_u_boot_spl_bss_pad(Entry_blob): Properties / Entry arguments: None - This is similar to u_boot_spl except that padding is added after the SPL - binary to cover the BSS (Block Started by Symbol) region. This region holds - the various used by SPL. It is set to 0 by SPL when it starts up. If you - want to append data to the SPL image (such as a device tree file), you must - pad out the BSS region to avoid the data overlapping with U-Boot variables. - This entry is useful in that case. It automatically pads out the entry size - to cover both the code, data and BSS. + This holds the padding added after the SPL binary to cover the BSS (Block + Started by Symbol) region. This region holds the various variables used by + SPL. It is set to 0 by SPL when it starts up. If you want to append data to + the SPL image (such as a device tree file), you must pad out the BSS region + to avoid the data overlapping with U-Boot variables. This entry is useful in + that case. It automatically pads out the entry size to cover both the code, + data and BSS. + + The contents of this entry will a certain number of zero bytes, determined + by __bss_size The ELF file 'spl/u-boot-spl' must also be available for this to work, since binman uses that to look up the BSS address. |