Deshab-OS/CODE/UTSM/MAKEFILE

CC := clang
LD := ld.lld
OBJCOPY := llvm-objcopy

ROOT := ../..
OUT := $(ROOT)/SYSTEM/boot/utsm.elf

CFLAGS := -target x86_64-unknown-none -std=c11 -ffreestanding -fno-builtin -fno-stack-protector -fno-pic -fno-pie -mcmodel=kernel -mno-red-zone -mno-sse -mno-sse2 -mno-mmx -msoft-float -m64 -Wall -Wextra -Iinclude -I../utsm-ipc -O2
ASFLAGS := -target x86_64-unknown-none -ffreestanding -fno-pic -fno-pie -mcmodel=kernel -mno-red-zone -mno-sse -mno-sse2 -mno-mmx -msoft-float -m64 -Iinclude -I../utsm-ipc
LDFLAGS := -nostdlib -static -z max-page-size=0x1000 -T linker.ld

C_SOURCES := $(wildcard arch/x86_64/*.c kernel/*.c runtime/*.c mm/*.c core/*.c crypto/*.c pckc/*.c utrw/*.c drr/*.c dkm/*.c test/*.c vmm/*.c pe/*.c)
S_SOURCES := $(wildcard arch/x86_64/*.S vmm/*.S)
OBJECTS := $(C_SOURCES:.c=.o) $(S_SOURCES:.S=.o)
DEPS := $(C_SOURCES:.c=.d)

.PHONY: all clean

# 显式指定默认目标：防止 -include 的 .d 文件(halt.d 等)抢占默认目标
.DEFAULT_GOAL := all

all: $(OUT)

# 头文件依赖追踪：clang -MMD 生成 .d，避免 config.h 等头修改后对象文件不重建
# 注意：-include 必须放在 all: 之后，否则第一个 .d 中的目标会成为 make 默认目标
-include $(DEPS)

$(OUT): $(OBJECTS) linker.ld
	@mkdir -p $(dir $@)
	$(LD) $(LDFLAGS) -o $@ $(OBJECTS)

%.o: %.c
	$(CC) $(CFLAGS) -MMD -MP -c $< -o $@

%.o: %.S
	$(CC) $(ASFLAGS) -c $< -o $@

clean:
	powershell -NoProfile -Command "Get-ChildItem -Path . -Recurse -Include *.o,*.d | Remove-Item -Force; if (Test-Path '$(OUT)') { Remove-Item '$(OUT)' -Force }"