Reformat makefile

kernel/Makefile

@@ -101,130 +101,131 @@ qemu_net_opts :=
 qemu_ui_opts :=
 
 ifeq ($(arch), x86_64)
-qemu_opts += \
+	qemu_opts += \
 		-drive format=raw,file=$(bootimage) \
 		-serial mon:stdio \
 		-m 4G \
 		-device isa-debug-exit
-ifeq ($(board), none)
+	ifeq ($(board), none)
-qemu_opts += \
+		qemu_opts += \
 			-drive format=qcow2,file=$(SFSIMG),media=disk,cache=writeback,id=sfsimg,if=none \
 			-device ahci,id=ahci0 \
 			-device ide-drive,drive=sfsimg,bus=ahci0.0
-endif
+	endif
-ifeq ($(pci_passthru), )
+
-qemu_net_opts += \
+	ifeq ($(pci_passthru), )
+		qemu_net_opts += \
 			-netdev type=tap,id=net0,script=no,downscript=no \
 			-device e1000e,netdev=net0
-else
+	else
-qemu_opts += \
+		qemu_opts += \
 			-machine accel=kvm
-qemu_net_opts += \
+		qemu_net_opts += \
 			-device vfio-pci,host=$(pci_passthru)
-qemu_ui_opts += \
+		qemu_ui_opts += \
 			-vga std
-endif
+	endif
-ifeq ($(extra_nic), on)
+
-qemu_net_opts += \
+	ifeq ($(extra_nic), on)
+		qemu_net_opts += \
 			-netdev type=tap,id=net1,script=no,downscript=no \
 			-device e1000e,netdev=net1
-endif
+	endif
 
 else ifeq ($(arch), riscv32)
-qemu_opts += \
+	qemu_opts += \
 		-machine virt \
 		-serial mon:stdio \
 		-kernel ../tools/opensbi/virt_rv32.elf \
 		-device loader,addr=0x80400000,file=$(kernel_img) \
 		-drive file=$(SFSIMG),format=qcow2,id=sfs \
 		-device virtio-blk-device,drive=sfs
-qemu_net_opts += \
+	qemu_net_opts += \
 		-netdev type=tap,id=net0,script=no,downscript=no \
 		-device virtio-net-device,netdev=net0
-qemu_ui_opts += \
+	qemu_ui_opts += \
 		-device virtio-gpu-device \
 		-device virtio-mouse-device
 
 else ifeq ($(arch), riscv64)
-ifeq ($(board), u540)
+	ifeq ($(board), u540)
-qemu_opts += \
+		qemu_opts += \
 			-machine virt \
 			-serial mon:stdio \
 			-kernel ../tools/opensbi/fu540.elf \
 			-device loader,addr=0x80200000,file=$(kernel_img)
-else
+	else
-qemu_opts += \
+		qemu_opts += \
 			-machine virt \
 			-serial mon:stdio \
 			-kernel ../tools/opensbi/virt_rv64.elf \
 			-device loader,addr=0x80200000,file=$(kernel_img) \
 			-drive file=$(SFSIMG),format=qcow2,id=sfs \
 			-device virtio-blk-device,drive=sfs
-endif
+	endif
-qemu_net_opts += \
+
+	qemu_net_opts += \
 		-netdev type=tap,id=net0,script=no,downscript=no \
 		-device virtio-net-device,netdev=net0
-qemu_ui_opts += \
+	qemu_ui_opts += \
 		-device virtio-gpu-device \
 		-device virtio-mouse-device
-
 else ifeq ($(arch), aarch64)
-qemu_opts += \
+	qemu_opts += \
 		-machine $(board) \
 		-serial null -serial mon:stdio \
 		-kernel $(kernel_img)
-ifneq ($(u_boot), )
+	ifneq ($(u_boot), )
-qemu_opts += \
+		qemu_opts += \
 			-sd $(bootloader)
-endif
+	endif
-
 else ifeq ($(arch), mipsel)
-ifeq ($(board), malta)
+	ifeq ($(board), malta)
-qemu_opts += \
+		qemu_opts += \
 			-machine $(board) -device VGA \
 			-serial null -serial null -serial mon:stdio \
 			-kernel $(kernel_img)
-endif
+	endif
-ifeq ($(board), mipssim)
+	ifeq ($(board), mipssim)
-qemu_opts += \
+		qemu_opts += \
 			-machine $(board) \
 			-serial mon:stdio \
 			-kernel $(kernel_img)
-endif
+	endif
 endif
 
 ifdef d
-qemu_opts += -d $(d)
+	qemu_opts += -d $(d)
 endif
 
 ifeq ($(graphic), off)
-qemu_opts += -nographic
+	qemu_opts += -nographic
 endif
 
 ### build args ###
 ifeq ($(graphic), off)
-features += nographic
+	features += nographic
 endif
 
 ifeq ($(graphic), console)
-features += consolegraphic
+	features += consolegraphic
 endif
 
 ifneq ($(init), )
-features += run_cmdline
+	features += run_cmdline
 endif
 
 ifeq ($(board), raspi3)
-# qemu only has generic timer
+	# qemu only has generic timer
-# TODO: configure system/generic timer automatically
+	# TODO: configure system/generic timer automatically
-raspi3_timer ?= generic
+	raspi3_timer ?= generic
-ifeq ($(raspi3_timer), generic)
+	ifeq ($(raspi3_timer), generic)
-features += raspi3_use_generic_timer
+		features += raspi3_use_generic_timer
-endif
+	endif
 endif
 
 ifneq ($(board), none)
-features += board_$(board)
+	features += board_$(board)
 endif
 
 features += $(extra_features)
@@ -232,25 +233,25 @@ features += $(extra_features)
 build_args := --target targets/$(target).json --features "$(features)"
 
 ifeq ($(mode), release)
-build_args += --release
+	build_args += --release
 endif
 
 ### prefix ###
 ifeq ($(arch), x86_64)
-ifeq ($(uname), Darwin)
+	ifeq ($(uname), Darwin)
-prefix := x86_64-elf-
+		prefix := x86_64-elf-
-endif
+	endif
 else ifeq ($(arch), riscv32)
-prefix := riscv64-unknown-elf-
+	prefix := riscv64-unknown-elf-
 else ifeq ($(arch), riscv64)
-prefix := riscv64-unknown-elf-
+	prefix := riscv64-unknown-elf-
 else ifeq ($(arch), mipsel)
-prefix ?= mipsel-linux-musln32-
+	prefix ?= mipsel-linux-musln32-
 else ifeq ($(arch), aarch64)
-prefix ?= aarch64-none-elf-
+	prefix ?= aarch64-none-elf-
-ifeq (,$(shell which $(prefix)ld))
+	ifeq (,$(shell which $(prefix)ld))
 		prefix := aarch64-elf-
-endif
+	endif
 endif
 
 gdb := $(prefix)gdb
@@ -374,9 +375,9 @@ ifeq ($(board), raspi3)
 sd_card ?=
 
 ifeq ($(shell uname), Darwin)
-sd_card := /Volumes/boot
+	sd_card := /Volumes/boot
 else ifeq ($(shell uname), Linux)
-sd_card := /media/$(shell whoami)/boot
+	sd_card := /media/$(shell whoami)/boot
 endif
 
 ifdef sd_card