From 565724db3b73ee67fa996dab511dc52df586cee1 Mon Sep 17 00:00:00 2001
From: Kimplul <kimi.h.kuparinen@gmail.com>
Date: Tue, 17 Aug 2021 21:47:38 +0300
Subject: Garbage

---
 Makefile | 41 +++++++++++++++++++++++++++++++++++++++++
 1 file changed, 41 insertions(+)
 create mode 100644 Makefile

(limited to 'Makefile')

diff --git a/Makefile b/Makefile
new file mode 100644
index 0000000..56369f6
--- /dev/null
+++ b/Makefile
@@ -0,0 +1,41 @@
+CFLAGS := -fno-pie -g -ffreestanding -nostdlib
+INCLUDE_DIRS := include
+
+all: kernel.bin
+
+KERNEL_SOURCES :=
+INIT_SOURCES :=
+LINKER_SOURCE :=
+TARGET ?= riscv
+CROSS_COMPILER ?= riscv64-unknown-elf-
+CC := gcc
+AR := ar
+CPP := cpp
+OBJCOPY := objcopy
+OBJCOPY_FLAGS := -Obinary
+
+include arch/source.mk
+
+INCLUDE_FLAGS := $(addprefix -I,$(INCLUDE_DIRS))
+KERNEL_OBJECTS := $(patsubst %.c,%.o,$(KERNEL_SOURCES))
+KERNEL_OBJECTS := $(patsubst %.S,%.o,$(KERNEL_OBJECTS))
+
+LINKER_FILE := $(patsubst %.S,%.ld,$(LINKER_SOURCE))
+
+kernel.bin: kernel.elf
+	$(CROSS_COMPILER)$(OBJCOPY) $(OBJCOPY_FLAGS) $< $@
+
+kernel.elf: $(KERNEL_OBJECTS) | $(LINKER_FILE)
+	$(CROSS_COMPILER)$(CC) -T$(LINKER_FILE) $(CFLAGS) $(INCLUDE_FLAGS) $^ -o $@
+
+%.o: %.c
+	$(CROSS_COMPILER)$(CC) $(CFLAGS) $(INCLUDE_FLAGS) -c $< -o $@
+
+%.o: %.S
+	$(CROSS_COMPILER)$(CC) $(CFLAGS) $(INCLUDE_FLAGS) -c $< -o $@
+
+$(LINKER_FILE): $(LINKER_SOURCE)
+	$(CROSS_COMPILER)$(CPP) $(INCLUDE_FLAGS) $< | sed -n '/^[^#]/p' > $@
+
+clean:
+	rm $(KERNEL_OBJECTS) $(INIT_OBJECTS) $(LINKER_FILE) kernel.bin kernel.elf
-- 
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