riscv: fix kernel boot in qemu

target/linux/config/Config.in.serial

@@ -96,6 +96,8 @@ config ADK_LINUX_KERNEL_SERIAL_8250
 						|| ADK_TARGET_SYSTEM_QEMU_MICROBLAZE_ML605 \
 						|| ADK_TARGET_SYSTEM_QEMU_NIOS2 \
 						|| ADK_TARGET_SYSTEM_QEMU_OR1K \
+						|| ADK_TARGET_SYSTEM_QEMU_RISCV32 \
+						|| ADK_TARGET_SYSTEM_QEMU_RISCV64 \
 						|| ADK_TARGET_SYSTEM_ANDES_AG101P \
 						|| ADK_TARGET_SYSTEM_ORANGE_PI0 \
 						|| ADK_TARGET_SYSTEM_SOM_C6745
@@ -123,6 +125,8 @@ config ADK_LINUX_KERNEL_SERIAL_8250
 		|| ADK_TARGET_SYSTEM_QEMU_OR1K \
 		|| ADK_TARGET_SYSTEM_QEMU_PPC_BAMBOO \
 		|| ADK_TARGET_SYSTEM_QEMU_PPC_MPC8544DS \
+		|| ADK_TARGET_SYSTEM_QEMU_RISCV32 \
+		|| ADK_TARGET_SYSTEM_QEMU_RISCV64 \
 		|| ADK_TARGET_SYSTEM_QEMU_X86 \
 		|| ADK_TARGET_SYSTEM_QEMU_X86_64 \
 		|| ADK_TARGET_SYSTEM_QEMU_XTENSA \
@@ -155,6 +159,8 @@ config ADK_LINUX_KERNEL_SERIAL_8250
 	default y if ADK_TARGET_SYSTEM_QEMU_OR1K
 	default y if ADK_TARGET_SYSTEM_QEMU_PPC_BAMBOO
 	default y if ADK_TARGET_SYSTEM_QEMU_PPC_MPC8544DS
+	default y if ADK_TARGET_SYSTEM_QEMU_RISCV32
+	default y if ADK_TARGET_SYSTEM_QEMU_RISCV64
 	default y if ADK_TARGET_SYSTEM_QEMU_X86
 	default y if ADK_TARGET_SYSTEM_QEMU_X86_64
 	default y if ADK_TARGET_SYSTEM_QEMU_XTENSA

target/riscv32/Makefile

@@ -29,15 +29,25 @@ kernel-strip:
 	$(TARGET_CROSS)objcopy $(OSTRIP) -S $(KERNEL) $(BUILD_DIR)/$(TARGET_KERNEL)
 
 kernel-install: kernel-strip
-	@cp $(BUILD_DIR)/$(TARGET_KERNEL) $(FW_DIR)/$(TARGET_KERNEL)
+	 @cp $(BUILD_DIR)/$(TARGET_KERNEL) $(FW_DIR)/$(TARGET_KERNEL)
+
+bbl:
+	@mkdir -p $(BUILD_DIR)/bbl
+	@rm -rf $(BUILD_DIR)/riscv-pk
+	(cd $(BUILD_DIR)/ && git clone https://github.com/riscv/riscv-pk.git)
+	(cd $(BUILD_DIR)/bbl && PATH='$(HOST_PATH)' ../riscv-pk/configure \
+		--host=$(GNU_TARGET_NAME) --target=$(GNU_TARGET_NAME) \
+		--with-payload=$(FW_DIR)/$(TARGET_KERNEL))
+	(cd $(BUILD_DIR)/bbl && PATH='$(HOST_PATH)' make)
+	cp $(BUILD_DIR)/bbl/bbl $(FW_DIR)/$(TARGET_KERNEL).bbl
 
 # filesystem specific targets
 ifeq ($(ADK_TARGET_FS),initramfs)
-imageinstall: kernel-install $(FW_DIR)/$(INITRAMFS) targethelp
+imageinstall: kernel-install bbl $(FW_DIR)/$(INITRAMFS) targethelp
 endif
 ifeq ($(ADK_TARGET_FS),initramfsarchive)
-imageinstall: kernel-install $(FW_DIR)/$(ROOTFSUSERTARBALL) targethelp
+imageinstall: kernel-install bbl $(FW_DIR)/$(ROOTFSUSERTARBALL) targethelp
 endif
 ifeq ($(ADK_TARGET_FS),initramfspiggyback)
-imageinstall: createinitramfs targethelp
+imageinstall: createinitramfs bbl targethelp
 endif

target/riscv64/Makefile

@@ -16,12 +16,12 @@ targethelp:
 	@echo 'The initramfs image is: ${FW_DIR}/${INITRAMFS}'
 ifeq ($(ADK_TARGET_QEMU),y)
 	@echo "Start qemu with following command line:"
-	@echo 'qemu-system-riscv64 ${QEMU_ARGS} -kernel $(FW_DIR)/$(TARGET_KERNEL) -initrd ${FW_DIR}/${INITRAMFS}'
+	@echo 'qemu-system-riscv64 ${QEMU_ARGS} -kernel $(FW_DIR)/$(TARGET_KERNEL).bbl -initrd ${FW_DIR}/${INITRAMFS}'
 endif
 endif
 ifeq ($(ADK_TARGET_FS),initramfsarchive)
 targethelp:
-	@echo 'The kernel file is: $(FW_DIR)/${TARGET_KERNEL}'
+	@echo 'The kernel file is: $(FW_DIR)/${TARGET_KERNEL}.bbl'
 	@echo "The RootFS tarball is: $(FW_DIR)/$(ROOTFSUSERTARBALL)"
 endif
 ifeq ($(ADK_TARGET_FS),initramfspiggyback)
@@ -29,7 +29,7 @@ targethelp:
 	@echo 'The kernel+initramfs file is: $(FW_DIR)/${TARGET_KERNEL}'
 ifeq ($(ADK_TARGET_QEMU),y)
 	@echo "Start qemu with following command line:"
-	@echo 'qemu-system-riscv64 ${QEMU_ARGS} -kernel $(FW_DIR)/$(TARGET_KERNEL)'
+	@echo 'qemu-system-riscv64 ${QEMU_ARGS} -kernel $(FW_DIR)/$(TARGET_KERNEL).bbl'
 endif
 endif
 
@@ -39,13 +39,23 @@ kernel-strip:
 kernel-install: kernel-strip
 	@cp $(BUILD_DIR)/$(TARGET_KERNEL) $(FW_DIR)/$(TARGET_KERNEL)
 
+bbl:
+	@mkdir -p $(BUILD_DIR)/bbl
+	@rm -rf $(BUILD_DIR)/riscv-pk
+	(cd $(BUILD_DIR)/ && git clone https://github.com/riscv/riscv-pk.git)
+	(cd $(BUILD_DIR)/bbl && PATH='$(HOST_PATH)' ../riscv-pk/configure \
+		--host=$(GNU_TARGET_NAME) --target=$(GNU_TARGET_NAME) \
+		--with-payload=$(FW_DIR)/$(TARGET_KERNEL))
+	(cd $(BUILD_DIR)/bbl && PATH='$(HOST_PATH)' make)
+	cp $(BUILD_DIR)/bbl/bbl $(FW_DIR)/$(TARGET_KERNEL).bbl
+
 # filesystem specific targets
 ifeq ($(ADK_TARGET_FS),initramfs)
-imageinstall: kernel-install $(FW_DIR)/$(INITRAMFS) targethelp
+imageinstall: kernel-install bbl $(FW_DIR)/$(INITRAMFS) targethelp
 endif
 ifeq ($(ADK_TARGET_FS),initramfsarchive)
-imageinstall: kernel-install $(FW_DIR)/$(ROOTFSUSERTARBALL) targethelp
+imageinstall: kernel-install bbl $(FW_DIR)/$(ROOTFSUSERTARBALL) targethelp
 endif
 ifeq ($(ADK_TARGET_FS),initramfspiggyback)
-imageinstall: createinitramfs targethelp
+imageinstall: createinitramfs bbl targethelp
 endif

target/riscv64/kernel/qemu-riscv64

@@ -1,2 +1,3 @@
 CONFIG_RISCV=y
+CONFIG_CMDLINE_BOOL=y
 CONFIG_SECTION_MISMATCH_WARN_ONLY=y

target/riscv64/systems/qemu-riscv64

@@ -2,6 +2,7 @@ config ADK_TARGET_SYSTEM_QEMU_RISCV64
 	bool "Qemu Emulator"
 	select ADK_TARGET_QEMU
 	select ADK_TARGET_CPU_RISCV64
+	select ADK_TARGET_KERNEL_WITH_COMPRESSION
 	help
 	  Qemu Emulator for RISCV64 architecture.