86 lines
2.5 KiB
Makefile
86 lines
2.5 KiB
Makefile
KERNEL_EXEC := socks_kernel
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SOCKS_ARCH ?= x86_64
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MAKEFILE_PATH := $(abspath $(lastword $(MAKEFILE_LIST)))
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ROOT_DIR := $(patsubst %/,%,$(dir $(MAKEFILE_PATH)))
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include tools/make/gcc-cross-compile.mk
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BUILD_DIR := build
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CONFIG_DIR := .config
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####################################
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# Architecture-specific source files
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####################################
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include arch/$(SOCKS_ARCH)/config.mk
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####################################
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# Platform-independent kernel source files
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####################################
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KERNEL_SRC_DIRS := init kernel vm ds util obj sched test
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KERNEL_C_FILES := $(foreach dir,$(KERNEL_SRC_DIRS),$(wildcard $(dir)/*.c))
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KERNEL_OBJ := $(addprefix $(BUILD_DIR)/,$(KERNEL_C_FILES:.c=.o))
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####################################
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# Kernel libc source files
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####################################
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LIBC_SRC_DIRS := stdio string ctype
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LIBC_C_FILES := $(foreach dir,$(LIBC_SRC_DIRS),$(wildcard libc/$(dir)/*.c))
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LIBC_OBJ := $(addprefix $(BUILD_DIR)/,$(LIBC_C_FILES:.c=.o))
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BUILD_ID := $(shell tools/generate_build_id.py --arch $(SOCKS_ARCH))
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CFLAGS := $(CFLAGS) -DBUILD_ID=\"$(BUILD_ID)\" -g -Wall -Werror -pedantic \
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-Iinclude -Iarch/$(SOCKS_ARCH)/include -Ilibc/include -Wno-language-extension-token
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ASMFLAGS := $(ASMFLAGS) -DBUILD_ID=\"$(BUILD_ID)\"
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LDFLAGS := $(LDFLAGS) -g -lgcc
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ALL_KERNEL_OBJECT_FILES := $(KERNEL_OBJ) $(ARCH_OBJ) $(LIBC_OBJ)
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ALL_KERNEL_DEPS := $(ALL_KERNEL_OBJECT_FILES:.o=.d)
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all: $(BUILD_DIR)/$(KERNEL_EXEC) tools
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-include $(ALL_KERNEL_DEPS)
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$(BUILD_DIR)/$(KERNEL_EXEC): $(ALL_KERNEL_OBJECT_FILES)
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@printf " \033[1;36mLD\033[0m \033[1mbuild/\033[35m$(KERNEL_EXEC)\033[0m\n"
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@mkdir -p $(@D)
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@$(LD) $^ -o $@ $(LDFLAGS) $(ARCH_LDFLAGS)
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@cp $@ $@.dbg
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@$(STRIP) $@
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$(BUILD_DIR)/%.o: %.S
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@printf " \033[1;32mAS\033[0m \033[35m$(KERNEL_EXEC)\033[0m/$<\n"
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@mkdir -p $(@D)
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@$(ASM) $< -o $@ -c $(ASMFLAGS) $(ARCH_ASMFLAGS) -MMD
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$(BUILD_DIR)/%.o: %.c
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@printf " \033[1;32mCC\033[0m \033[35m$(KERNEL_EXEC)\033[0m/$<\n"
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@mkdir -p $(@D)
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@$(CC) $< -o $@ -c $(CFLAGS) $(ARCH_CFLAGS) -MMD
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clean:
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@printf " \033[1;93mRM\033[0m Deleting build files.\n"
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@rm -rf $(BUILD_DIR)
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$(BUILD_DIR)/compile_commands.json:
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@printf " \033[1;93mGEN\033[0m Generating compiler database.\n"
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@./tools/make/generate_compile_commands.py
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compile-db: $(BUILD_DIR)/compile_commands.json
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tools:
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@$(MAKE) --no-print-directory -C tools
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include arch/$(SOCKS_ARCH)/extra.mk
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.PHONY: all tools compile-db $(BUILD_DIR)/compile_commands.json
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.INTERMEDIATE: $(ARCH_TEMP_FILES)
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