feat: init

kernel/GNUmakefile

@@ -0,0 +1,66 @@
+# EMK 1.0 Copyright (c) 2025 Piraterna
+MAKEFLAGS += -rR
+.SUFFIXES:
+
+SRCDIR := src
+INCDIR := src
+OBJDIR := build
+BINDIR := bin
+
+TARGET := $(BINDIR)/emk.elf
+
+CC := gcc
+AS := gcc
+NASM := nasm
+
+CFLAGS := -g -O2 -pipe -Wall -Wextra -Werror -std=gnu11 -ffreestanding \
+          -fno-stack-protector -fno-stack-check -fno-PIC \
+          -ffunction-sections -fdata-sections -m64 -march=x86-64 \
+          -mno-80387 -mno-mmx -mno-sse -mno-sse2 -mno-red-zone \
+          -mcmodel=kernel -Wno-unused-variable
+CPPFLAGS := -I$(INCDIR) -I$(SRCDIR) -MMD -MP -DLIMINE_API_REVISION=3
+NASMFLAGS := -F dwarf -g
+LDFLAGS := -nostdlib -static -z max-page-size=0x1000 -Wl,--gc-sections \
+           -T linker.ld -Wl,-m,elf_x86_64
+
+SRCS := $(shell find $(SRCDIR) -type f \( -name '*.c' -o -name '*.S' -o -name '*.asm' \))
+OBJS := $(patsubst %.c,$(OBJDIR)/%.o,$(filter %.c,$(SRCS))) \
+        $(patsubst %.S,$(OBJDIR)/%.o,$(filter %.S,$(SRCS))) \
+        $(patsubst %.asm,$(OBJDIR)/%.o,$(filter %.asm,$(SRCS)))
+
+DEPS := $(OBJS:.o=.d)
+
+.PHONY: all clean distclean
+all: $(TARGET)
+
+$(OBJDIR) $(BINDIR):
+	@mkdir -p $@
+
+$(TARGET): $(OBJS) | $(BINDIR)
+	@echo "  LD    $@"
+	@$(CC) $(LDFLAGS) -o $@ $(OBJS)
+
+$(OBJDIR)/%.o: %.c | $(OBJDIR)
+	@mkdir -p $(dir $@)
+	@echo "  CC    $<"
+	@$(CC) $(CPPFLAGS) $(CFLAGS) -c $< -o $@
+
+$(OBJDIR)/%.o: %.S | $(OBJDIR)
+	@mkdir -p $(dir $@)
+	@echo "  AS    $<"
+	@$(AS) $(CPPFLAGS) $(CFLAGS) -c $< -o $@
+
+$(OBJDIR)/%.o: %.asm | $(OBJDIR)
+	@mkdir -p $(dir $@)
+	@echo "  NASM  $<"
+	@$(NASM) $(NASMFLAGS) $< -o $@
+
+clean:
+	@echo "  CLEAN"
+	@rm -rf $(OBJDIR) $(TARGET)
+
+distclean: clean
+	@echo "  DISTCLEAN"
+	@rm -rf $(BINDIR)
+
+-include $(DEPS)