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{nemu,npc}: inject mainargs to the bin file

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* this removes the dependency of trm.c to keep the mainargs up-to-date
This commit is contained in:
Zihao Yu 2024-05-12 21:34:43 +08:00
parent c3ffbc97c3
commit c52a41181f
5 changed files with 52 additions and 15 deletions
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16
scripts/platform/nemu.mk
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@ -8,22 +8,28 @@ AM_SRCS := platform/nemu/trm.c \
platform/nemu/mpe.c
CFLAGS += -fdata-sections -ffunction-sections
CFLAGS += -I$(AM_HOME)/am/src/platform/nemu/include
LDFLAGS += -T $(AM_HOME)/scripts/linker.ld \
--defsym=_pmem_start=0x80000000 --defsym=_entry_offset=0x0
LDFLAGS += --gc-sections -e _start
NEMUFLAGS += -l $(shell dirname $(IMAGE).elf)/nemu-log.txt
CFLAGS += -DMAINARGS=\"$(mainargs)\"
CFLAGS += -I$(AM_HOME)/am/src/platform/nemu/include
.PHONY: $(AM_HOME)/am/src/platform/nemu/trm.c
MAINARGS_MAX_LEN = 64
MAINARGS_PLACEHOLDER = The insert-arg rule in Makefile will insert mainargs here.
CFLAGS += -DMAINARGS_MAX_LEN=$(MAINARGS_MAX_LEN) -DMAINARGS_PLACEHOLDER=\""$(MAINARGS_PLACEHOLDER)"\"
insert-arg: image
@python $(AM_HOME)/tools/insert-arg.py $(IMAGE).bin $(MAINARGS_MAX_LEN) "$(MAINARGS_PLACEHOLDER)" "$(mainargs)"
image: image-dep
@$(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
run: insert-arg
$(MAKE) -C $(NEMU_HOME) ISA=$(ISA) run ARGS="$(NEMUFLAGS)" IMG=$(IMAGE).bin
gdb: image
gdb: insert-arg
$(MAKE) -C $(NEMU_HOME) ISA=$(ISA) gdb ARGS="$(NEMUFLAGS)" IMG=$(IMAGE).bin
.PHONY: insert-arg

14
scripts/platform/npc.mk
View file

@ -12,10 +12,20 @@ CFLAGS += -fdata-sections -ffunction-sections
LDFLAGS += -T $(AM_HOME)/scripts/linker.ld \
--defsym=_pmem_start=0x80000000 --defsym=_entry_offset=0x0
LDFLAGS += --gc-sections -e _start
CFLAGS += -DMAINARGS=\"$(mainargs)\"
.PHONY: $(AM_HOME)/am/src/riscv/npc/trm.c
MAINARGS_MAX_LEN = 64
MAINARGS_PLACEHOLDER = The insert-arg rule in Makefile will insert mainargs here.
CFLAGS += -DMAINARGS_MAX_LEN=$(MAINARGS_MAX_LEN) -DMAINARGS_PLACEHOLDER=\""$(MAINARGS_PLACEHOLDER)"\"
insert-arg: image
@python $(AM_HOME)/tools/insert-arg.py $(IMAGE).bin $(MAINARGS_MAX_LEN) "$(MAINARGS_PLACEHOLDER)" "$(mainargs)"
image: image-dep
@$(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: insert-arg
echo "TODO: add command here to run simulation"
.PHONY: insert-arg