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-rw-r--r--examples/Makefile9
-rw-r--r--examples/api/Makefile44
-rw-r--r--examples/standalone/Makefile74
3 files changed, 53 insertions, 74 deletions
diff --git a/examples/Makefile b/examples/Makefile
new file mode 100644
index 0000000..18d008e
--- /dev/null
+++ b/examples/Makefile
@@ -0,0 +1,9 @@
+ifndef CONFIG_SANDBOX
+
+ifdef FTRACE
+subdir-ccflags-y += -finstrument-functions -DFTRACE
+endif
+
+subdir-y += standalone
+subdir-$(CONFIG_API) += api
+endif
diff --git a/examples/api/Makefile b/examples/api/Makefile
index cad10a3..09475f8 100644
--- a/examples/api/Makefile
+++ b/examples/api/Makefile
@@ -11,10 +11,8 @@ ifeq ($(ARCH),arm)
LOAD_ADDR = 0x1000000
endif
-include $(TOPDIR)/config.mk
-
# Resulting ELF and binary exectuables will be named demo and demo.bin
-OUTPUT = $(obj)demo
+extra-y = demo
# Source files located in the examples/api directory
SOBJ_FILES-y += crt0.o
@@ -31,39 +29,25 @@ EXT_COBJ_FILES-y += lib/time.o
EXT_COBJ_FILES-y += lib/vsprintf.o
EXT_SOBJ_FILES-$(CONFIG_PPC) += arch/powerpc/lib/ppcstring.o
-# Create a list of source files so their dependencies can be auto-generated
-SRCS += $(addprefix $(SRCTREE)/,$(EXT_COBJ_FILES-y:.o=.c))
-SRCS += $(addprefix $(SRCTREE)/,$(EXT_SOBJ_FILES-y:.o=.S))
-SRCS += $(addprefix $(SRCTREE)/examples/api/,$(COBJ_FILES-y:.o=.c))
-SRCS += $(addprefix $(SRCTREE)/examples/api/,$(SOBJ_FILES-y:.o=.S))
-
# Create a list of object files to be compiled
-OBJS += $(addprefix $(obj),$(SOBJ_FILES-y))
-OBJS += $(addprefix $(obj),$(COBJ_FILES-y))
-OBJS += $(addprefix $(obj),$(notdir $(EXT_COBJ_FILES-y)))
-OBJS += $(addprefix $(obj),$(notdir $(EXT_SOBJ_FILES-y)))
-
-all: $(obj).depend $(OUTPUT)
+OBJS += $(addprefix $(obj)/,$(SOBJ_FILES-y))
+OBJS += $(addprefix $(obj)/,$(COBJ_FILES-y))
+OBJS += $(addprefix $(obj)/,$(notdir $(EXT_COBJ_FILES-y)))
+OBJS += $(addprefix $(obj)/,$(notdir $(EXT_SOBJ_FILES-y)))
#########################################################################
-$(OUTPUT): $(OBJS)
+$(obj)/demo: $(OBJS)
$(LD) --gc-sections -Ttext $(LOAD_ADDR) -o $@ $^ $(PLATFORM_LIBS)
- $(OBJCOPY) -O binary $@ $(OUTPUT).bin 2>/dev/null
+
+$(obj)/demo.bin: $(obj)/demo
+ $(OBJCOPY) -O binary $< $@ 2>/dev/null
# Rule to build generic library C files
-$(obj)%.o: $(SRCTREE)/lib/%.c
- $(CC) -g $(CFLAGS) -c -o $@ $<
+$(addprefix $(obj)/,$(notdir $(EXT_COBJ_FILES-y))): $(obj)/%.o: $(SRCTREE)/lib/%.c FORCE
+ $(call cmd,force_checksrc)
+ $(call if_changed_rule,cc_o_c)
# Rule to build architecture-specific library assembly files
-$(obj)%.o: $(SRCTREE)/arch/$(ARCH)/lib/%.S
- $(CC) -g $(CFLAGS) -c -o $@ $<
-
-#########################################################################
-
-# defines $(obj).depend target
-include $(SRCTREE)/rules.mk
-
-sinclude $(obj).depend
-
-#########################################################################
+$(addprefix $(obj)/,$(notdir $(EXT_SOBJ_FILES-y))): $(obj)/%.o: $(SRCTREE)/arch/$(ARCH)/lib/%.S
+ $(call if_changed_dep,as_o_S)
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
-
-#########################################################################