[U-Boot] [PATCH 1/2] SPL: Make path to start.S configurable

[Marek Vasut]

On Friday, September 16, 2011 06:16:15 PM Scott Wood wrote:
> On 09/15/2011 06:02 PM, Marek Vasut wrote:
> > On Friday, September 16, 2011 12:54:26 AM Scott Wood wrote:
> >> How about:
> >> 
> >> ifdef CONFIG_SPL_START_FILE
> >> START := $(subst ",,$(CONFIG_SPL_START_FILE))
> >> else
> >> START := $(CPUDIR)/start.o
> >> endif
> >> 
> >> START_PATH := $(dir $(START))
> >> 
> >>>  LIBS-y += arch/$(ARCH)/lib/lib$(ARCH).o
> >>>  LIBS-y += $(CPUDIR)/lib$(CPU).o
> >>> 
> >>> @@ -119,7 +125,7 @@ $(obj)u-boot-spl:	depend $(START) $(LIBS)
> >>> $(obj)u-boot-spl.lds
> >>> 
> >>>  	$(GEN_UBOOT)
> >>>  
> >>>  $(START):	depend
> >>> 
> >>> -	$(MAKE) -C $(SRCTREE)/$(CPUDIR) $@
> >>> +	$(MAKE) -C $(SRCTREE)/$(START_PATH) $@
> >> 
> >> Yay recursive make. :-P
> > 
> > Yea ... that's why that START_PATH is needed.
> 
> Does START_PATH := $(dir $(START)) not work?

What if you then wanted to have start.o for SPL in x/y/spl/start_spl.o with 
START_PATH=x/y and START=spl/start_spl.o ?

In currect patch, the spl code can be easily extended to support this.

Cheers