| b.liu | e958203 | 2025-04-17 19:18:16 +0800 | [diff] [blame^] | 1 | # |
| 2 | # (C) Copyright 2000-2006 |
| 3 | # Wolfgang Denk, DENX Software Engineering, wd@denx.de. |
| 4 | # |
| 5 | # SPDX-License-Identifier: GPL-2.0+ |
| 6 | # |
| 7 | |
| 8 | include $(TOPDIR)/config.mk |
| 9 | |
| 10 | ELF-y := hello_world |
| 11 | |
| 12 | ELF-$(CONFIG_SMC91111) += smc91111_eeprom |
| 13 | ELF-$(CONFIG_SMC911X) += smc911x_eeprom |
| 14 | ELF-$(CONFIG_SPI_FLASH_ATMEL) += atmel_df_pow2 |
| 15 | ELF-$(CONFIG_MPC5xxx) += interrupt |
| 16 | ELF-$(CONFIG_8xx) += test_burst timer |
| 17 | ELF-$(CONFIG_8260) += mem_to_mem_idma2intr |
| 18 | ELF-$(CONFIG_PPC) += sched |
| 19 | |
| 20 | # |
| 21 | # Some versions of make do not handle trailing white spaces properly; |
| 22 | # leading to build failures. The problem was found with GNU Make 3.80. |
| 23 | # Using 'strip' as a workaround for the problem. |
| 24 | # |
| 25 | ELF := $(strip $(ELF-y)) |
| 26 | |
| 27 | SREC := $(addsuffix .srec,$(ELF)) |
| 28 | BIN := $(addsuffix .bin,$(ELF)) |
| 29 | |
| 30 | COBJS := $(ELF:=.o) |
| 31 | |
| 32 | LIB = $(obj)libstubs.o |
| 33 | |
| 34 | LIBAOBJS-$(CONFIG_PPC) += ppc_longjmp.o ppc_setjmp.o |
| 35 | LIBAOBJS-$(CONFIG_8xx) += test_burst_lib.o |
| 36 | LIBAOBJS := $(LIBAOBJS-y) |
| 37 | |
| 38 | LIBCOBJS = stubs.o |
| 39 | |
| 40 | LIBOBJS = $(addprefix $(obj),$(LIBAOBJS) $(LIBCOBJS)) |
| 41 | |
| 42 | SRCS := $(COBJS:.o=.c) $(LIBCOBJS:.o=.c) $(LIBAOBJS:.o=.S) |
| 43 | OBJS := $(addprefix $(obj),$(COBJS)) |
| 44 | ELF := $(addprefix $(obj),$(ELF)) |
| 45 | BIN := $(addprefix $(obj),$(BIN)) |
| 46 | SREC := $(addprefix $(obj),$(SREC)) |
| 47 | |
| 48 | gcclibdir := $(shell dirname `$(CC) -print-libgcc-file-name`) |
| 49 | |
| 50 | # For PowerPC there's no need to compile standalone applications as a |
| 51 | # relocatable executable. The relocation data is not needed, and |
| 52 | # also causes the entry point of the standalone application to be |
| 53 | # inconsistent. |
| 54 | ifeq ($(ARCH),powerpc) |
| 55 | AFLAGS := $(filter-out $(RELFLAGS),$(AFLAGS)) |
| 56 | CFLAGS := $(filter-out $(RELFLAGS),$(CFLAGS)) |
| 57 | CPPFLAGS := $(filter-out $(RELFLAGS),$(CPPFLAGS)) |
| 58 | endif |
| 59 | |
| 60 | # We don't want gcc reordering functions if possible. This ensures that an |
| 61 | # application's entry point will be the first function in the application's |
| 62 | # source file. |
| 63 | CFLAGS_NTR := $(call cc-option,-fno-toplevel-reorder) |
| 64 | CFLAGS += $(CFLAGS_NTR) |
| 65 | |
| 66 | all: $(obj).depend $(OBJS) $(LIB) $(SREC) $(BIN) $(ELF) |
| 67 | |
| 68 | ######################################################################### |
| 69 | $(LIB): $(obj).depend $(LIBOBJS) |
| 70 | $(call cmd_link_o_target, $(LIBOBJS)) |
| 71 | |
| 72 | $(ELF): |
| 73 | $(obj)%: $(obj)%.o $(LIB) |
| 74 | $(LD) $(LDFLAGS) -g -Ttext $(CONFIG_STANDALONE_LOAD_ADDR) \ |
| 75 | -o $@ -e $(SYM_PREFIX)$(notdir $(<:.o=)) $< $(LIB) \ |
| 76 | -L$(gcclibdir) -lgcc |
| 77 | |
| 78 | $(SREC): |
| 79 | $(obj)%.srec: $(obj)% |
| 80 | $(OBJCOPY) -O srec $< $@ 2>/dev/null |
| 81 | |
| 82 | $(BIN): |
| 83 | $(obj)%.bin: $(obj)% |
| 84 | $(OBJCOPY) -O binary $< $@ 2>/dev/null |
| 85 | |
| 86 | ######################################################################### |
| 87 | |
| 88 | # defines $(obj).depend target |
| 89 | include $(SRCTREE)/rules.mk |
| 90 | |
| 91 | sinclude $(obj).depend |
| 92 | |
| 93 | ######################################################################### |