BSP_CONSOLE_MINOR option for Zynq board with new build system

[Jan.Sommer at dlr.de]

Hi Sebastian,

I forgot to follow up with this until I ran into the same thing again. 
Your patch works and solves the problem.
Would you be so kind to push it to master?

Best regards,

    Jan

> -----Original Message-----
> From: Sebastian Huber <sebastian.huber at embedded-brains.de>
> Sent: Friday, September 25, 2020 4:14 PM
> To: Sommer, Jan <Jan.Sommer at dlr.de>; devel at rtems.org
> Subject: Re: BSP_CONSOLE_MINOR option for Zynq board with new build
> system
> 
> Hello Jan,
> 
> On 25/09/2020 15:36, Jan.Sommer at dlr.de wrote:
> > Hello,
> >
> > I am currently making my first steps with the new build system and so far it
> is amazing.
> > Especially, the inheritance option is very handy for maintaining different
> configurations.
> > Therefore, a big thank you to Sebastian and everyone else involved.
> thanks for having a look at it.
> >
> > I ran into a smaller problem when compiling for a zynq-board.
> > I tried to override BSP_CONSOLE_MINOR=0, but it seems that the option is
> interpreted as a Boolean and then the define not set.
> > At least I run into:
> > ../../../bsps/arm/xilinx-zynq/start/bspreset.c: In function 'bsp_reset':
> > ../../../bsps/arm/xilinx-zynq/start/bspreset.c:37:49: error:
> 'BSP_CONSOLE_MINOR' undeclared (first use in this function)
> >     37 |
> zynq_uart_reset_tx_flush(&zynq_uart_instances[BSP_CONSOLE_MINOR]);
> 
> Yes, this could be a potential problem in several BSPs. I used a script to
> convert the BSP options, but to detect if it was an integer or boolean type
> was just an heuristic. In order to fix this, you first have to find the build
> specification item of the option:
> 
> spec/build/bsps/arm/xilinx-zynqmp/optconminor.yml:name:
> BSP_CONSOLE_MINOR
> spec/build/bsps/arm/xilinx-zynq/optconminor.yml:name:
> BSP_CONSOLE_MINOR
> 
> So, we have this option duplicated. This is an issue on its own. At some point
> in time we should unify the options across the BSPs.
> 
> Then open the file (spec/build/bsps/arm/xilinx-zynq/optconminor.yml):
> 
> SPDX-License-Identifier: CC-BY-SA-4.0 OR BSD-2-Clause
> actions:
> - get-boolean: null
> - define-condition: null
> build-type: option
> copyrights:
> - Copyright (C) 2020 embedded brains GmbH (http://www.embedded-
> brains.de)
> default: true
> default-by-variant: []
> description: |
>    minor number of console device
> enabled-by: true
> links: []
> name: BSP_CONSOLE_MINOR
> type: build
> 
> Under actions you see what is done with the value specified by the
> configuration file (or the default value). See also:
> 
> https://docs.rtems.org/branches/master/eng/req/items.html#spectypebuild
> optionaction
> 
> This patch fixes probably the issue:
> 
> diff --git a/spec/build/bsps/arm/xilinx-zynq/optconminor.yml
> b/spec/build/bsps/arm/xilinx-zynq/optconminor.yml
> index 55074c6dac..486eb92d33 100644
> --- a/spec/build/bsps/arm/xilinx-zynq/optconminor.yml
> +++ b/spec/build/bsps/arm/xilinx-zynq/optconminor.yml
> @@ -1,15 +1,16 @@
>   SPDX-License-Identifier: CC-BY-SA-4.0 OR BSD-2-Clause
>   actions:
> -- get-boolean: null
> -- define-condition: null
> +- get-integer: null
> +- define: null
>   build-type: option
>   copyrights:
>   - Copyright (C) 2020 embedded brains GmbH (http://www.embedded-
> brains.de)
> -default: true
> +default: 1
>   default-by-variant: []
>   description: |
>     minor number of console device
>   enabled-by: true
> +format: '{}'
>   links: []
>   name: BSP_CONSOLE_MINOR
>   type: build
> 
> The integer options need a "format" attribute.