add makefile to compile C code easier

1 files changed, 15 insertions, 0 deletions

diff --git a/Makefile b/Makefile
new file mode 100644
index 0000000..70e8c94
--- /dev/null
+++ b/Makefile
@@ -0,0 +1,15 @@
+CC = riscv32-none-elf-gcc
+CP = riscv32-none-elf-objcopy
+CFLAGS = -fno-pic -nostdlib -fno-delete-null-pointer-checks --param=min-pagesize=0 -O3 -march=rv32i -mabi=ilp32 -Wall -Wextra -pedantic
+
+SRC = fibonacci.c
+ROM = riscvtest_rom_image.txt
+
+all: 
+        ${CC} ${CFLAGS} ${SRC}
+        ${CP} -j .text -O binary a.out /dev/stdout \
+        | od -t x4 -w4 - | cut -d' ' -f2 | head -n -1 \
+        > ${ROM}
+
+clean:
+        rm -f a.out