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-rw-r--r--examples/standalone/Makefile74
1 files changed, 30 insertions, 44 deletions
diff --git a/examples/standalone/Makefile b/examples/standalone/Makefile
index 0841c75..47c9d54 100644
--- a/examples/standalone/Makefile
+++ b/examples/standalone/Makefile
@@ -5,31 +5,29 @@
# SPDX-License-Identifier: GPL-2.0+
#
-include $(TOPDIR)/config.mk
-
-ELF-y := hello_world
-
-ELF-$(CONFIG_SMC91111) += smc91111_eeprom
-ELF-$(CONFIG_SMC911X) += smc911x_eeprom
-ELF-$(CONFIG_SPI_FLASH_ATMEL) += atmel_df_pow2
-ELF-$(CONFIG_MPC5xxx) += interrupt
-ELF-$(CONFIG_8xx) += test_burst timer
-ELF-$(CONFIG_8260) += mem_to_mem_idma2intr
-ELF-$(CONFIG_PPC) += sched
+extra-y := hello_world
+extra-$(CONFIG_SMC91111) += smc91111_eeprom
+extra-$(CONFIG_SMC911X) += smc911x_eeprom
+extra-$(CONFIG_SPI_FLASH_ATMEL) += atmel_df_pow2
+extra-$(CONFIG_MPC5xxx) += interrupt
+extra-$(CONFIG_8xx) += test_burst timer
+extra-$(CONFIG_8260) += mem_to_mem_idma2intr
+extra-$(CONFIG_PPC) += sched
#
# Some versions of make do not handle trailing white spaces properly;
# leading to build failures. The problem was found with GNU Make 3.80.
# Using 'strip' as a workaround for the problem.
#
-ELF := $(strip $(ELF-y))
+ELF := $(strip $(extra-y))
+
+extra-y += $(addsuffix .srec,$(extra-y)) $(addsuffix .bin,$(extra-y))
+clean-files := $(extra-) $(addsuffix .srec,$(extra-)) $(addsuffix .bin,$(extra-))
-SREC := $(addsuffix .srec,$(ELF))
-BIN := $(addsuffix .bin,$(ELF))
COBJS := $(ELF:=.o)
-LIB = $(obj)libstubs.o
+LIB = $(obj)/libstubs.o
LIBAOBJS-$(CONFIG_PPC) += ppc_longjmp.o ppc_setjmp.o
LIBAOBJS-$(CONFIG_8xx) += test_burst_lib.o
@@ -37,13 +35,12 @@ LIBAOBJS := $(LIBAOBJS-y)
LIBCOBJS = stubs.o
-LIBOBJS = $(addprefix $(obj),$(LIBAOBJS) $(LIBCOBJS))
+.SECONDARY: $(call objectify,$(COBJS))
+targets += $(patsubst $(obj)/%,%,$(LIB)) $(COBJS) $(LIBAOBJS) $(LIBCOBJS)
+
+LIBOBJS = $(addprefix $(obj)/,$(LIBAOBJS) $(LIBCOBJS))
-SRCS := $(COBJS:.o=.c) $(LIBCOBJS:.o=.c) $(LIBAOBJS:.o=.S)
-OBJS := $(addprefix $(obj),$(COBJS))
-ELF := $(addprefix $(obj),$(ELF))
-BIN := $(addprefix $(obj),$(BIN))
-SREC := $(addprefix $(obj),$(SREC))
+ELF := $(addprefix $(obj)/,$(ELF))
gcclibdir := $(shell dirname `$(CC) -print-libgcc-file-name`)
@@ -52,42 +49,31 @@ gcclibdir := $(shell dirname `$(CC) -print-libgcc-file-name`)
# also causes the entry point of the standalone application to be
# inconsistent.
ifeq ($(ARCH),powerpc)
-AFLAGS := $(filter-out $(RELFLAGS),$(AFLAGS))
-CFLAGS := $(filter-out $(RELFLAGS),$(CFLAGS))
-CPPFLAGS := $(filter-out $(RELFLAGS),$(CPPFLAGS))
+# FIX ME
+CPPFLAGS := $(filter-out $(RELFLAGS), $(CPPFLAGS))
endif
# We don't want gcc reordering functions if possible. This ensures that an
# application's entry point will be the first function in the application's
# source file.
-CFLAGS_NTR := $(call cc-option,-fno-toplevel-reorder)
-CFLAGS += $(CFLAGS_NTR)
-
-all: $(obj).depend $(OBJS) $(LIB) $(SREC) $(BIN) $(ELF)
+ccflags-y += $(call cc-option,-fno-toplevel-reorder)
#########################################################################
-$(LIB): $(obj).depend $(LIBOBJS)
- $(call cmd_link_o_target, $(LIBOBJS))
+
+quiet_cmd_link_lib = LD $@
+ cmd_link_lib = $(LD) $(ld_flags) -r -o $@ $(filter $(LIBOBJS), $^)
+
+$(LIB): $(LIBOBJS) FORCE
+ $(call if_changed,link_lib)
$(ELF):
-$(obj)%: $(obj)%.o $(LIB)
+$(obj)/%: $(obj)/%.o $(LIB)
$(LD) $(LDFLAGS) -g -Ttext $(CONFIG_STANDALONE_LOAD_ADDR) \
-o $@ -e $(SYM_PREFIX)$(notdir $(<:.o=)) $< $(LIB) \
-L$(gcclibdir) -lgcc
-$(SREC):
-$(obj)%.srec: $(obj)%
+$(obj)/%.srec: $(obj)/%
$(OBJCOPY) -O srec $< $@ 2>/dev/null
-$(BIN):
-$(obj)%.bin: $(obj)%
+$(obj)/%.bin: $(obj)/%
$(OBJCOPY) -O binary $< $@ 2>/dev/null
-
-#########################################################################
-
-# defines $(obj).depend target
-include $(SRCTREE)/rules.mk
-
-sinclude $(obj).depend
-
-#########################################################################