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authorMasahiro Yamada <yamada.m@jp.panasonic.com>2014-02-04 17:24:22 +0900
committerTom Rini <trini@ti.com>2014-02-19 11:07:50 -0500
commite0d5d9f8887e5f80f6df4ff20bb1816a7edefd39 (patch)
tree7a53c9c07878644cbd21dd29d2eac45dbe6ab4ce /spl
parentced0715d4a4628c2262f0a03e8e299debc41ca16 (diff)
Makefile: move some flags to spl/Makefile
Some flags are used for SPL (and TPL) build only. This commit moves them from config.mk to spl/Makefile. Signed-off-by: Masahiro Yamada <yamada.m@jp.panasonic.com>
Diffstat (limited to 'spl')
-rw-r--r--spl/Makefile14
1 files changed, 14 insertions, 0 deletions
diff --git a/spl/Makefile b/spl/Makefile
index f273015168e..8d0e6c3b313 100644
--- a/spl/Makefile
+++ b/spl/Makefile
@@ -19,6 +19,15 @@ include $(srctree)/scripts/Kbuild.include
CONFIG_SPL_BUILD := y
export CONFIG_SPL_BUILD
+KBUILD_CPPFLAGS += -DCONFIG_SPL_BUILD
+ifeq ($(CONFIG_TPL_BUILD),y)
+KBUILD_CPPFLAGS += -DCONFIG_TPL_BUILD
+endif
+
+# Enable garbage collection of un-used sections for SPL
+KBUILD_CFLAGS += -ffunction-sections -fdata-sections
+LDFLAGS_FINAL += --gc-sections
+
ifeq ($(CONFIG_TPL_BUILD),y)
export CONFIG_TPL_BUILD
SPL_BIN := u-boot-tpl
@@ -173,6 +182,11 @@ endif
$(obj)$(SPL_BIN).bin: $(obj)$(SPL_BIN)
$(OBJCOPY) $(OBJCFLAGS) $(SPL_OBJCFLAGS) -O binary $< $@
+LDFLAGS_$(SPL_BIN) += -T $(obj)u-boot-spl.lds $(LDFLAGS_FINAL)
+ifneq ($(CONFIG_SPL_TEXT_BASE),)
+LDFLAGS_$(SPL_BIN) += -Ttext $(CONFIG_SPL_TEXT_BASE)
+endif
+
GEN_UBOOT = \
cd $(obj) && $(LD) $(LDFLAGS) $(LDFLAGS_$(@F)) $(__START) \
--start-group $(__LIBS) --end-group $(PLATFORM_LIBS) \