Hello list,

inside the automatic U-Boot patch tracking system a new ticket [DNX#2006033142000356] was created:

<snip>

Hello,

I have a mips based board and during u-boot support developing I notice that in file «cpu/mips/config.mk»:

• should be replaced this line

  -mips-linux-as --version|grep "GNU assembler"|awk '{print $$3}'|awk

-F . '{print $$2}') +$(AS) --version|grep "GNU assembler"|awk '{print $$3}'|awk -F . '{print $$2}')

to avoid errors for user not having «mips-linux-as» (I have mipsel-linux-as).

• should be used «allow_branch_to_undefined» or

«mips_allow_branch_to_undefined» as GAS option? My toolchain use «allow_branch_to_undefined»...

• Variable MIPSFLAGS is ambiguous, I suggest using MIPSCFLAGS and/or

MIPSLDFLAGS.

In the end I suggest the following patch for file cpu/mips/config.mk:

Index: cpu/mips/config.mk

RCS file: /home/develop/cvs_private/uboot-mips-exadron/cpu/mips/config.mk,v retrieving revision 1.1.1.1 diff -u -r1.1.1.1 config.mk --- a/cpu/mips/config.mk 16 Sep 2005 12:14:19 -0000 1.1.1.1 +++ b/cpu/mips/config.mk 16 Sep 2005 14:19:29 -0000 @@ -21,20 +21,22 @@ # MA 02111-1307 USA # v=$(shell \ -mips-linux-as --version|grep "GNU assembler"|awk '{print $$3}'|awk -F . '{print $$2}') -MIPSFLAGS=$(shell \ +$(AS) --version|grep "GNU assembler"|awk '{print $$3}'|awk -F . '{print $$2}') +MIPSCFLAGS=$(shell \ if [ "$v" -lt "14" ]; then \ echo "-mcpu=4kc"; \ else \

•   echo "-march=4kc -mtune=4kc
  

-Wa,-mips_allow_branch_to_undefined"; \

•   echo "-march=4kc -mtune=4kc -Wa,-allow_branch_to_undefined"; \
  

fi)

ifneq (,$(findstring 4KCle,$(CROSS_COMPILE))) -ENDIANNESS = -EL -else -ENDIANNESS = -EB +MIPSCFLAGS += -EL +endif +ifneq (,$(findstring mipsel,$(CROSS_COMPILE))) +MIPSLDFLAGS += -EL endif

-MIPSFLAGS += $(ENDIANNESS) -mabicalls +MIPSCFLAGS += -mabicalls

-PLATFORM_CPPFLAGS += $(MIPSFLAGS) +PLATFORM_CPPFLAGS += $(MIPSCFLAGS) +PLATFORM_LDFLAGS += $(MIPSLDFLAGS)

Ciao,

Rodolfo

--

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Your U-Boot support team