2020 release

scripts/platform/nemu.mk

@@ -0,0 +1,31 @@
+AM_SRCS := nemu/trm.c \
+           nemu/ioe/ioe.c \
+           nemu/ioe/timer.c \
+           nemu/ioe/input.c \
+           nemu/ioe/gpu.c \
+           nemu/ioe/audio.c \
+           nemu/isa/$(ISA)/cte.c \
+           nemu/isa/$(ISA)/trap.S \
+           nemu/isa/$(ISA)/vme.c \
+           nemu/mpe.c \
+           nemu/isa/$(ISA)/boot/start.S
+
+LDFLAGS   += -L $(AM_HOME)/am/src/nemu/scripts
+LDFLAGS   += -T $(AM_HOME)/am/src/nemu/isa/$(ISA)/boot/loader.ld
+LDFLAGS   += --gc-sections -e _start
+NEMUFLAGS += -b -l $(shell dirname $(IMAGE).elf)/nemu-log.txt $(IMAGE).bin
+
+CFLAGS += -DMAINARGS=\"$(mainargs)\"
+CFLAGS += -I$(AM_HOME)/am/src/nemu/include
+.PHONY: $(AM_HOME)/am/src/nemu/trm.c
+
+image: $(IMAGE).elf
+	@$(OBJDUMP) -d $(IMAGE).elf > $(IMAGE).txt
+	@echo + OBJCOPY "->" $(IMAGE_REL).bin
+	@$(OBJCOPY) -S --set-section-flags .bss=alloc,contents -O binary $(IMAGE).elf $(IMAGE).bin
+
+run: image
+	$(MAKE) -C $(NEMU_HOME) ISA=$(ISA) run ARGS="$(NEMUFLAGS)"
+
+gdb: image
+	$(MAKE) -C $(NEMU_HOME) ISA=$(ISA) gdb ARGS="$(NEMUFLAGS)"

scripts/platform/qemu.mk

@@ -0,0 +1,17 @@
+.PHONY: build-arg
+
+LDFLAGS    += -N -Ttext-segment=0x00100000
+QEMU_FLAGS += -serial mon:stdio \
+              -machine accel=tcg \
+              -smp "$(smp)" \
+              -drive format=raw,file=$(IMAGE)
+
+build-arg: image
+	@( echo -n $(mainargs); ) | dd if=/dev/stdin of=$(IMAGE) bs=512 count=2 seek=1 conv=notrunc status=none
+
+BOOT_HOME := $(AM_HOME)/am/src/x86/qemu/boot
+
+image: $(IMAGE).elf
+	@$(MAKE) -s -C $(BOOT_HOME)
+	@echo + CREATE "->" $(IMAGE_REL)
+	@( cat $(BOOT_HOME)/bootblock.o; head -c 1024 /dev/zero; cat $(IMAGE).elf ) > $(IMAGE)