Makefile can now build linux/bbl

Makefile

@@ -4,6 +4,9 @@ CFLAGS=-O3 -Wall -I src
 LDFLAGS=-lpthread
 BUILD_DIR=build
 
+# Risc-V toolchain
+RV_LINUX_CCPREFIX=riscv32-unknown-linux-gnu-
+
 C_FILES := $(shell find src/ -name '*.c')
 
 all: $(BUILD_DIR)/$(NAME)
@@ -21,10 +24,37 @@ $(BUILD_DIR):
 clean:
 	rm -rf $(BUILD_DIR)
 
+rungdb: all
+	echo $(shell objdump -h ../riscv-pk/build/bbl | grep .payload | awk '{print $4}')
+
+$(BUILD_DIR)/linux:
+	cd $(BUILD_DIR) && git clone https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git --depth 1 -b v6.6
+
+$(BUILD_DIR)/linux/.config: hardware/linux.config
+	cp hardware/linux.config $(BUILD_DIR)/linux/.config
+
+$(BUILD_DIR)/linux/vmlinux: $(BUILD_DIR)/linux/.config | $(BUILD_DIR)/linux
+	cd $(BUILD_DIR)/linux/ && make ARCH=riscv CROSS_COMPILE=$(RV_LINUX_CCPREFIX) -j7 vmlinux
+
+$(BUILD_DIR)/riscv-pk:
+	cd $(BUILD_DIR) && git clone https://github.com/riscv-software-src/riscv-pk --depth 1
+
+$(BUILD_DIR)/riscv-pk/build: | $(BUILD_DIR)/riscv-pk
+	mkdir $(BUILD_DIR)/riscv-pk/build
+
+$(BUILD_DIR)/riscv-pk/build/bbl: $(BUILD_DIR)/linux/vmlinux hardware/vriscv.dts | $(BUILD_DIR)/riscv-pk/build
+	cd $(BUILD_DIR)/riscv-pk/build && ../configure \
+	--prefix=$(CURDIR)/$(BUILD_DIR)/riscv-pk/build/prefix \
+	--host=riscv32-unknown-elf \
+	--with-arch=rv32ima_zicsr_zifencei --with-abi=ilp32 \
+	--with-dts=../../../hardware/vriscv.dts \
+	--with-payload=../../linux/vmlinux
+	cd $(BUILD_DIR)/riscv-pk/build && make && make install
+
 .PHONY: run
 .SILENT: run
-run: all
-	./$(BUILD_DIR)/$(NAME)
+run: all $(BUILD_DIR)/riscv-pk/build/bbl
+	./$(BUILD_DIR)/$(NAME) -m4096 $(BUILD_DIR)/riscv-pk/build/bbl
 
 .PHONY: tests
 .SILENT: tests