Add dev header/makefile/linker script

1 files changed, 39 insertions, 0 deletions

diff --git a/devkit/Makefile b/devkit/Makefile
new file mode 100644
index 0000000..3890bc0
--- /dev/null
+++ b/devkit/Makefile
@@ -0,0 +1,39 @@
+SOURCES = $(wildcard *.c)
+OBJECTS = $(patsubst %.c,obj/%.o,$(SOURCES))
+TARGETS = $(patsubst %.c,bin/%,$(SOURCES))
+
+CC = riscv64-unknown-elf-gcc
+
+COMMONFLAGS += -Wall
+# COMMONFLAGS += -Werror
+
+COMMONFLAGS += -O3
+
+COMMONFLAGS += -static
+# Use the 32-bit variant of RISC-V, with no floating-point support.
+COMMONFLAGS += -m32 -msoft-float -march=RV32I
+
+# Add debugging symbols
+COMMONFLAGS += -g3
+
+# Use C11.
+COMMONFLAGS += -std=c11
+
+# Link options: disable system libraries, and use the program
+# layout in test.x.
+LINKFLAGS = $(FLAGS) -nostartfiles -nodefaultlibs
+LINKFLAGS += -Wl,-T,cacheracer.x
+
+# Merge the common flags and the per-file FLAGS_xxx settings.
+FLAGS = $(COMMONFLAGS) $(FLAGS_$(basename $(notdir $@)))
+
+all: $(TARGETS)
+
+$(TARGETS): bin/%: obj/%.o
+	$(CC) $(LINKFLAGS) $< -o $@
+
+$(OBJECTS): obj/%.o: %.c
+	$(CC) $(FLAGS) -c $< -o $@
+
+clean:
+	rm -f obj/*.o bin/*