From 1605c7f5737ee4544bb6f8419ed1cc13faa1f72b Mon Sep 17 00:00:00 2001
From: Christian Cunningham <cc@localhost>
Date: Sat, 4 Dec 2021 19:42:25 -0700
Subject: Consolidated Common Make

---
 Common.mk | 75 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 75 insertions(+)
 create mode 100644 Common.mk

(limited to 'Common.mk')

diff --git a/Common.mk b/Common.mk
new file mode 100644
index 0000000..edff8ac
--- /dev/null
+++ b/Common.mk
@@ -0,0 +1,75 @@
+C_SOURCES = $(wildcard src/*.c src/**/*.c)
+C_HEADERS = $(wildcard src/*.h src/**/*.h)
+C_OBJECTS = ${C_SOURCES:.c=.co}
+C_OBJECTD = ${subst src,obj,${C_OBJECTS}}
+A_SOURCES = $(wildcard src/*.S src/**/*.S)
+A_OBJECTS = ${A_SOURCES:.S=.ao}
+A_OBJECTD = ${subst src,obj,${A_OBJECTS}}
+
+CROSS = arm-none-eabi
+CC = ${CROSS}-gcc
+AS = ${CROSS}-as
+OBJCOPY = ${CROSS}-objcopy
+OBJDUMP = ${CROSS}-objdump
+QEMU = /mnt/c/qemu/qemu-system-arm.exe
+GDB = gdb-multiarch
+CFLAGS = -mcpu=cortex-a7 -fpic -ffreestanding -std=gnu99 -O3 -Wall -Wextra -nostdlib -g
+AFLAGS = -mcpu=cortex-a7 -g
+QFLAGS = -M raspi2 -cpu arm1176 -m 1G -serial mon:stdio -nographic
+
+BSP ?= 2
+
+ifeq ($(BSP),2)
+	BSP23 = 1
+	CFLAGS += -DBSP23
+endif
+
+CFLAGS += -DVERSION="\"0.0c\""
+
+.PHONY: clean run run-debug debug export tree
+
+default: clean build/kernel7.img
+
+build/kernel7.img: build/kernel.elf
+	@mkdir -p $(@D)
+	${OBJCOPY} $< -O binary $@
+
+build/kernel.list: build/kernel-g.elf
+	@mkdir -p $(@D)
+	${OBJDUMP} -D $< > $@
+
+build/kernel-g.elf: ${A_OBJECTD} ${C_OBJECTD}
+	@mkdir -p $(@D)
+	${CC} -T linker.ld -o $@ ${CFLAGS} $^ -lgcc
+
+build/kernel.elf: ${A_OBJECTD} ${C_OBJECTD}
+	@mkdir -p $(@D)
+	${CC} -T linker.ld -o $@ -ffreestanding -O3 -nostdlib $^ -lgcc
+
+export: build/kernel.list
+	cp build/kernel-g.elf /mnt/c/Local/
+
+obj/%.co: src/%.c
+	@mkdir -p $(@D)
+	${CC} ${CFLAGS} -c $< -o $@
+
+obj/%.ao: src/%.S
+	@mkdir -p $(@D)
+	${AS} ${AFLAGS} -c $< -o $@
+
+run: build/kernel.elf
+	@echo Starting QEMU
+	@${QEMU} -kernel $< ${QFLAGS}
+
+run-debug: build/kernel-g.elf
+	@echo Starting QEMU in Debug Mode
+	@${QEMU} -kernel $< -s -S ${QFLAGS}
+
+debug: build/kernel-g.elf build/kernel.list
+	${GDB} $< -command=gdbinit
+
+clean:
+	rm -rf obj/* build/*
+
+tree:
+	@tree -a -I obj\|build\|.git\|.gitignore
-- 
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