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| author | Sebastian Huber <sebastian.huber@embedded-brains.de> | 2021-08-18 11:27:56 +0200 |
|---|---|---|
| committer | Sebastian Huber <sebastian.huber@embedded-brains.de> | 2021-08-30 11:04:06 +0200 |
| commit | d223ec99ae7f84f49844e9421d831f3690b2b93a (patch) | |
| tree | bd99359f2d712d0163f4f5cbfc886d2e74866294 | |
| parent | bsps/raspberrypi: Change firmware version, add SPI & I2C support (diff) | |
| download | rtems-docs-d223ec99ae7f84f49844e9421d831f3690b2b93a.tar.bz2 | |
eng: Document use of BSP family for defaults
Update #4468.
| -rw-r--r-- | eng/build-system.rst | 4 | ||||
| -rw-r--r-- | eng/req/items.rst | 8 |
2 files changed, 8 insertions, 4 deletions
diff --git a/eng/build-system.rst b/eng/build-system.rst index e76b606..030679d 100644 --- a/eng/build-system.rst +++ b/eng/build-system.rst @@ -355,8 +355,8 @@ Add a Base BSP to a BSP Family items ``spec:/build/bsps/arch/family/bsprst``, ``spec:/build/bsps/arch/family/bspuvw``, and ``spec:/build/bsps/arch/family/bspxyz`` just define the name of the base - BSP and set a link to the group item. The base BSP names can be used for - example in the ``default-by-variant`` attribute of + BSP and set a link to the group item. The base BSP and BSP family names + can be used for example in the ``default-by-variant`` attribute of :ref:`SpecTypeBuildOptionItemType` items. The items linked by the BSP items are shown using relative UIDs. diff --git a/eng/req/items.rst b/eng/req/items.rst index e7727aa..51f3c3d 100644 --- a/eng/req/items.rst +++ b/eng/req/items.rst @@ -719,8 +719,11 @@ default default-by-variant The attribute value shall be a list. Each list element shall be a - :ref:`SpecTypeBuildOptionDefaultByVariant`. The list is processed from top - to bottom. If a matching variant is found, then the processing stops. + :ref:`SpecTypeBuildOptionDefaultByVariant`. The list is checked two times + and processed from top to bottom. Firstly, the base BSP name is used to + match with a variant. Secondly, the BSP family name prefixed by ``bsps/`` + is used to match with a variant. If a matching variant is found, then the + processing stops. description The attribute value shall be an optional string. It shall be the @@ -750,6 +753,7 @@ Please have a look at the following example: default-by-variant: - value: 9600 variants: + - bsps/powerpc/motorola_powerpc - m68k/m5484FireEngine - powerpc/hsc_cm01 - value: 19200 |