diff options
Diffstat (limited to 'doc/develop')
| -rw-r--r-- | doc/develop/qconfig.rst | 14 | ||||
| -rw-r--r-- | doc/develop/spl.rst | 2 |
2 files changed, 16 insertions, 0 deletions
diff --git a/doc/develop/qconfig.rst b/doc/develop/qconfig.rst index 8efb1eb2685..123779eab17 100644 --- a/doc/develop/qconfig.rst +++ b/doc/develop/qconfig.rst @@ -85,6 +85,20 @@ example, to find boards which enabled CONFIG_SCSI but not CONFIG_BLK:: 3 matches pg_wcom_seli8_defconfig highbank_defconfig pg_wcom_expu1_defconfig +It is also possible to search for particular values. For example, this finds all +boards with an empty string for `CONFIG_DEFAULT_FDT_FILE`:: + + ./tools/qconfig.py -f DEFAULT_FDT_FILE=\"\" + 1092 matches + ... + +This finds boards which have a value for SYS_MAXARGS other than 64:: + + ./tools/qconfig.py -f ~SYS_MAXARGS=64 + cfg CONFIG_SYS_MAXARGS + 281 matches + ... + Finding implied CONFIGs ----------------------- diff --git a/doc/develop/spl.rst b/doc/develop/spl.rst index 0a3e572310a..4bb48e6b7b3 100644 --- a/doc/develop/spl.rst +++ b/doc/develop/spl.rst @@ -121,6 +121,8 @@ Use `spl_phase()` to find the current U-Boot phase, e.g. `PHASE_SPL`. You can also find the previous and next phase and get the phase name. +.. _fdtgrep_filter: + Device tree ----------- The U-Boot device tree is filtered by the fdtgrep tools during the build |