1 | ifndef PLATFORM_DIR |
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2 | $(error please define PLATFORM_DIR 'make PLATFORM_DIR=foo') |
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3 | else |
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4 | |
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5 | LD := mipsel-unknown-elf-ld |
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6 | CC := mipsel-unknown-elf-gcc |
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7 | AS := mipsel-unknown-elf-as |
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8 | DU := mipsel-unknown-elf-objdump |
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9 | RM := rm -rf |
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10 | ECHO := echo |
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11 | MKDIR := mkdir |
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12 | DTC := dtc |
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13 | HEXDUMP := hexdump |
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14 | |
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15 | BUILD_DIR := build |
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16 | SRCS_DIR := src |
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17 | INCS_DIR := include |
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18 | |
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19 | # ============================================================================= |
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20 | # Include files paths |
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21 | # ============================================================================= |
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22 | |
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23 | INCLUDE += -I. -I$(INCS_DIR) -I$(PLATFORM_DIR) |
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24 | |
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25 | # ============================================================================= |
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26 | # Paths of sources in another directories |
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27 | # ============================================================================= |
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28 | |
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29 | VPATH += $(SRCS_DIR) |
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30 | VPATH += $(PLATFORM_DIR) |
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31 | |
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32 | # ============================================================================= |
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33 | # Object files |
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34 | # ============================================================================= |
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35 | |
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36 | CFLAGS := -Wall -mno-gpopt -ffreestanding -fomit-frame-pointer -mips32 \ |
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37 | -ggdb -mlong-calls |
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38 | |
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39 | C_SRCS := boot_elf_loader.c boot_ioc.c boot_memcpy.c boot_tty.c exceptions.c |
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40 | ifndef SOCLIB |
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41 | C_SRCS += sdcard.c spi.c |
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42 | endif |
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43 | |
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44 | S_SRCS := reset.S |
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45 | |
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46 | OBJS := $(subst .c,.o, $(notdir $(C_SRCS))) |
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47 | OBJS += $(subst .S,.o, $(notdir $(S_SRCS))) |
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48 | OBJS := $(addprefix $(BUILD_DIR)/, $(OBJS)) |
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49 | |
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50 | TARGET := bin.soft |
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51 | |
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52 | ifdef SOCLIB |
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53 | |
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54 | DEFS+= -DSOCLIB_IOC |
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55 | DTS=platform_soclib.dts |
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56 | $(info Making for $(PLATFORM_DIR), SocLib variant) |
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57 | |
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58 | else |
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59 | |
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60 | DTS=platform_fpga.dts |
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61 | $(info Making for $(PLATFORM_DIR), FPGA variant) |
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62 | |
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63 | endif |
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64 | |
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65 | ifdef SYSCLK_FREQ |
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66 | DEFS+= -DSYSCLK_FREQ |
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67 | endif |
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68 | |
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69 | |
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70 | all: $(TARGET) |
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71 | |
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72 | $(TARGET): $(BUILD_DIR) $(OBJS) conf/ldscript $(BUILD_DIR)/platform.ld |
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73 | $(ECHO) "[ LD ] $@" |
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74 | $(LD) -o $@ -T conf/ldscript $(OBJS) |
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75 | $(DU) -D $@ > $@.txt |
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76 | |
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77 | $(BUILD_DIR)/platform.ld: $(BUILD_DIR)/platform.dtb |
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78 | $(HEXDUMP) -v -e '"BYTE(0x" 1/1 "%02X" ")\n"' $< > $@ |
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79 | |
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80 | $(BUILD_DIR)/platform.dtb: $(DTS) |
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81 | ${DTC} -O dtb -o $@ $< |
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82 | |
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83 | $(BUILD_DIR): |
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84 | $(MKDIR) $@ |
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85 | |
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86 | clean: |
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87 | $(RM) $(TARGET).txt $(TARGET) *~ $(BUILD_DIR) |
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88 | |
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89 | distclean: clean |
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90 | |
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91 | # ============================================================================= |
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92 | # Implicit makefile rules |
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93 | |
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94 | $(BUILD_DIR)/%.o: %.c |
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95 | $(ECHO) "[ CC ] $(notdir $<)" |
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96 | $(CC) $(DEFS) $(CFLAGS) $(INCLUDE) -c -o $@ $< |
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97 | $(DU) -D $@ > $@.txt |
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98 | |
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99 | $(BUILD_DIR)/%.o: %.S |
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100 | $(ECHO) "[ AS ] $(notdir $<)" |
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101 | $(CC) $(DEFS) ${INCLUDE} -g -mips32 -c -o $@ $< |
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102 | $(DU) -D $@ > $@.txt |
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103 | |
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104 | .SILENT: |
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105 | endif |
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