El 14/04/2017 a las 21:05, Daniel Schwierzeck escribió:
>
>
> Am 13.04.2017 um 17:52 schrieb Álvaro Fernández Rojas:
>> CFE supports loading .elf images instead of raw binaries.
>>
>> Signed-off-by: Álvaro Fernández Rojas <nolt...@gmail.com>
>> ---
>> Makefile | 22 ++++++++++++++++++++++
>> arch/mips/cpu/u-boot-elf.lds | 10 ++++++++++
>> 2 files changed, 32 insertions(+)
>> create mode 100644 arch/mips/cpu/u-boot-elf.lds
>>
>> diff --git a/Makefile b/Makefile
>> index 09b597d..667b5f2 100644
>> --- a/Makefile
>> +++ b/Makefile
>> @@ -568,6 +568,15 @@ ifndef LDSCRIPT
>> endif
>> endif
>>
>> +ifndef LDSCRIPT_ELF
>> + ifeq ($(wildcard $(LDSCRIPT_ELF)),)
>> + LDSCRIPT_ELF := $(srctree)/$(CPUDIR)/u-boot-elf.lds
>> + endif
>> + ifeq ($(wildcard $(LDSCRIPT_ELF)),)
>> + LDSCRIPT_ELF := $(srctree)/arch/$(ARCH)/cpu/u-boot-elf.lds
>> + endif
>> +endif
>
> could you try to build the ELF binary without a custom linker script? I
> think the built-in one should work too.
>
>> +
>> else
>> # Dummy target needed, because used as prerequisite
>> include/config/auto.conf: ;
>> @@ -786,6 +795,7 @@ ifneq ($(CONFIG_SPL_TARGET),)
>> ALL-$(CONFIG_SPL) += $(CONFIG_SPL_TARGET:"%"=%)
>> endif
>> ALL-$(CONFIG_REMAKE_ELF) += u-boot.elf
>> +ALL-$(CONFIG_ARCH_BMIPS) += u-boot-bmips.elf
>> ALL-$(CONFIG_EFI_APP) += u-boot-app.efi
>> ALL-$(CONFIG_EFI_STUB) += u-boot-payload.efi
>>
>> @@ -1192,6 +1202,15 @@ u-boot.elf: u-boot.bin
>> --defsym=_start=$(CONFIG_SYS_TEXT_BASE) \
>> -Ttext=$(CONFIG_SYS_TEXT_BASE)
>>
>> +# Rules to link u-boot-bmips
>> +quiet_cmd_u-boot-bmips ?= LD $@
>> + cmd_u-boot-bmips ?= $(LD) -e startup -T u-boot-elf.lds \
>> + -Ttext $(CONFIG_SYS_TEXT_BASE) -o $@ u-boot-bmips.o
>> +
>> +u-boot-bmips.elf: u-boot.bin u-boot-elf.lds
>> + $(Q)$(LD) -r -b binary --oformat elf32-tradbigmips -o u-boot-bmips.o $<
>> + $(call if_changed,u-boot-bmips)
>
> could you try to generate the ELF binary like in the existing rule
> above? If that works, we could refactor the generic rule to remove the
> hard-coded aarch64 flags. If not, move this code and the
> "ALL-$(CONFIG_ARCH_BMIPS) += u-boot-bmips.elf" to arch/mips/Makefile
Sure, I will try and see if it works.
>
> Also don't forget to add new binaries to .gitignore and the Makefile
> clean targets.
Right, my fault :).
>
>> +
>> # Rule to link u-boot
>> # May be overridden by arch/$(ARCH)/config.mk
>> quiet_cmd_u-boot__ ?= LD $@
>> @@ -1340,6 +1359,9 @@ cmd_cpp_lds = $(CPP) -Wp,-MD,$(depfile) $(cpp_flags)
>> $(LDPPFLAGS) \
>> u-boot.lds: $(LDSCRIPT) prepare FORCE
>> $(call if_changed_dep,cpp_lds)
>>
>> +u-boot-elf.lds: $(LDSCRIPT_ELF) prepare
>> + $(call if_changed_dep,cpp_lds)
>> +
>> spl/u-boot-spl.bin: spl/u-boot-spl
>> @:
>> spl/u-boot-spl: tools prepare \
>> diff --git a/arch/mips/cpu/u-boot-elf.lds b/arch/mips/cpu/u-boot-elf.lds
>> new file mode 100644
>> index 0000000..db0bb46
>> --- /dev/null
>> +++ b/arch/mips/cpu/u-boot-elf.lds
>> @@ -0,0 +1,10 @@
>> +OUTPUT_ARCH(mips)
>> +SECTIONS {
>> + .text : {
>> + startup = .;
>> + *(.text)
>> + *(.text.*)
>> + *(.data)
>> + *(.data.*)
>> + }
>> +}
>>
>
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