x86: Add SPL build rules for start-up code

When SPL is used we need to build the 16-bit start-up code. Add Makefile
rules to handle this.

Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
This commit is contained in:
Simon Glass 2017-01-16 07:04:03 -07:00 committed by Bin Meng
parent 3c2dd537c7
commit 84547b4e66

View file

@ -179,6 +179,8 @@ ifeq ($(CONFIG_SYS_SOC),"at91")
ALL-y += boot.bin
endif
ALL-$(CONFIG_SPL_X86_16BIT_INIT) += $(obj)/u-boot-x86-16bit-spl.bin
ALL-$(CONFIG_ARCH_ZYNQ) += $(obj)/boot.bin
ALL-$(CONFIG_ARCH_ZYNQMP) += $(obj)/boot.bin
@ -263,11 +265,16 @@ endif
quiet_cmd_objcopy = OBJCOPY $@
cmd_objcopy = $(OBJCOPY) $(OBJCOPYFLAGS) $(OBJCOPYFLAGS_$(@F)) $< $@
OBJCOPYFLAGS_$(SPL_BIN)-nodtb.bin = $(SPL_OBJCFLAGS) -O binary
OBJCOPYFLAGS_$(SPL_BIN)-nodtb.bin = $(SPL_OBJCFLAGS) -O binary \
$(if $(CONFIG_SPL_X86_16BIT_INIT),-R .start16 -R .resetvec)
$(obj)/$(SPL_BIN)-nodtb.bin: $(obj)/$(SPL_BIN) FORCE
$(call if_changed,objcopy)
OBJCOPYFLAGS_u-boot-x86-16bit-spl.bin := -O binary -j .start16 -j .resetvec
$(obj)/u-boot-x86-16bit-spl.bin: $(obj)/u-boot-spl FORCE
$(call if_changed,objcopy)
LDFLAGS_$(SPL_BIN) += -T u-boot-spl.lds $(LDFLAGS_FINAL)
ifneq ($(CONFIG_SPL_TEXT_BASE),)
LDFLAGS_$(SPL_BIN) += -Ttext $(CONFIG_SPL_TEXT_BASE)