mirror of
https://github.com/logicog/RTLPlayground.git
synced 2026-08-30 14:52:51 +08:00
d00f
59c60504e7
__sdcc_banked_call and __sdcc_banked_ret were assembled into GSFINAL, which sits in the startup path: GSINIT ends exactly where GSFINAL begins, so the processor falls into it rather than being sent there. It works today only because this object comes after every C object on the link line, so the LJMP to __sdcc_program_startup is laid down first and the helpers land behind it. Reordering that line, or moving main() into another module, would put the helper body at the fallthrough address instead, and the board would not come up out of a build that reports nothing wrong. SDCC's own crtbank.asm declares the area order and then puts both symbols in HOME, so the file takes that name and that preamble as well. GSFINAL now holds the three byte jump and nothing else. Of 401 symbols 17 change address, every one in the startup region, and between the reset vector and 0x0094 not a byte differs, so no interrupt vector is disturbed. Run on a SWTGW218AS: it came back after about 42 seconds reporting the new build, with its stored configuration byte identical and every link at the speed it had before.
150 lines
4.2 KiB
Makefile
150 lines
4.2 KiB
Makefile
VERSION=0.1.0
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IMAGESIZE = 524288
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DEFAULT_CONFIG_LOCATION = 454656
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CONFIG_LOCATION = 458752
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HTML_LOCATION = 262144
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ifeq ($(origin CC),default)
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CC = sdcc
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endif
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CC_FLAGS = -mmcs51 -I. -Ihttpd -Iuip
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ASM ?= sdas8051
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AFLAGS= -plosgff
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SUBDIRS := tools
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SUBDIRSCLEAN=$(addsuffix clean,$(SUBDIRS))
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ifeq ($(MACHINE),)
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MACHINE:= $(shell grep "^\s*#define MACHINE_" machine.h | sed "s/^\s*#define MACHINE_//")
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else
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CC_FLAGS += -DMACHINE_$(MACHINE)
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endif
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BUILDDIR = output/$(MACHINE)
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VERSION_HEADER := version.h
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GIT_VERSION := $(shell git rev-parse --short HEAD)
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ifeq ($(shell git status --porcelain --untracked-files=no),)
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else
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GIT_VERSION := $(GIT_VERSION)-dirty
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endif
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VERSION_EXTENSION = v$(VERSION)-$(GIT_VERSION)
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FILENAME_EXTENSION = $(VERSION_EXTENSION)-$(MACHINE)
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# Deterministic build date: honor SOURCE_DATE_EPOCH, else the HEAD commit date,
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# else wall-clock (no-git fallback). Keeps same-commit builds byte-identical
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# (BUILD_DATE is baked into the image and covered by the trailing CRC).
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SOURCE_DATE_EPOCH ?= $(shell git show -s --format=%ct HEAD 2>/dev/null)
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ifeq ($(SOURCE_DATE_EPOCH),)
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BUILD_DATE := $(shell date +"%Y-%m-%d %H:%M:%S")
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else
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BUILD_DATE := $(shell date -u -d @$(SOURCE_DATE_EPOCH) +"%Y-%m-%d %H:%M:%S" 2>/dev/null \
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|| date -u -r $(SOURCE_DATE_EPOCH) +"%Y-%m-%d %H:%M:%S")
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endif
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all: create_build_dir $(VERSION_HEADER) $(SUBDIRS) $(BUILDDIR)/rtlplayground-$(FILENAME_EXTENSION).bin
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create_build_dir:
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mkdir -p "$(BUILDDIR)"
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mkdir -p "$(BUILDDIR)/uip"
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mkdir -p "$(BUILDDIR)/httpd"
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# Keep machine.c in first position to fail immediately on invalid $MACHINE value
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SRCS = \
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machine.c \
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cmd_editor.c \
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cmd_parser.c \
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dhcp.c \
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html_data.c \
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rtlplayground.c \
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syslog.c \
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udp_apps.c
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# RTL837x
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SRCS += \
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rtl837x_bandwidth.c \
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rtl837x_flash.c \
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rtl837x_igmp.c \
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rtl837x_init.c \
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rtl837x_leds.c \
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rtl837x_phy.c \
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rtl837x_pins.c\
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rtl837x_port.c \
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rtl837x_stp.c
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SRCS += \
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httpd/httpd.c \
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httpd/page_impl.c
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SRCS += \
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uip/timer.c \
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uip/uip.c \
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uip/uiplib.c \
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uip/uip_arp.c \
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uip/uip-fw.c \
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uip/uip-neighbor.c \
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uip/uip-split.c
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OBJS = ${SRCS:%.c=$(BUILDDIR)/%.rel}
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DEPS := ${SRCS:%.c=$(BUILDDIR)/%.d}
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HTML := $(shell find $(html) -name '*.js' -or -name '*.html' -or -name '*.svg')
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html_data.c html_data.h: $(HTML) tools/output/fileadder
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tools/output/fileadder -a $(HTML_LOCATION) -s $(IMAGESIZE) -b BANK1 -d html -p html_data
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$(VERSION_HEADER):
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@echo "#ifndef VERSION_H" > $(VERSION_HEADER)
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@echo "#define VERSION_H" >> $(VERSION_HEADER)
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@echo "#define VERSION_SW \"$(VERSION_EXTENSION)\"" >> $(VERSION_HEADER)
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@echo "#define BUILD_DATE \"$(BUILD_DATE)\"" >> $(VERSION_HEADER)
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@echo "#endif" >> $(VERSION_HEADER)
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httpd: html_data.h
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$(SUBDIRS):
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$(MAKE) -C $@
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clean:
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-rm -f html_data.c html_data.h $(VERSION_HEADER)
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-if [ -d $(BUILDDIR) ]; then find $(BUILDDIR) -type f ! -name "*.bin" -delete; fi
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distclean:
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-rm -f html_data.c html_data.h $(VERSION_HEADER)
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-rm -rf $(BUILDDIR)
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$(BUILDDIR)/%.rel: %.c
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$(CC) -MMD $(CC_FLAGS) -o $@ -c $<
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$(BUILDDIR)/%.rel: %.asm
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${ASM} ${AFLAGS} -o $@ $<
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# mv -f $(addprefix $(basename $^), .lst .rel .sym) .
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$(BUILDDIR)/rtlplayground.ihx: $(OBJS) $(BUILDDIR)/crtbank.rel $(BUILDDIR)/crc16.rel
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$(CC) $(CC_FLAGS) -Wl-bHOME=0x00000 -Wl-bBANK1=0x14000 -Wl-bBANK2=0x24000 -Wl-r -o $@ $^
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$(BUILDDIR)/rtlplayground.img: $(BUILDDIR)/rtlplayground.ihx
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objcopy --input-target=ihex -O binary $< $@
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$(BUILDDIR)/rtlplayground-$(FILENAME_EXTENSION).bin: $(BUILDDIR)/rtlplayground.img
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if [ -e $@ ]; then rm $@; fi
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tools/output/imagebuilder -i $^ $@
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tools/output/fileadder -a $(DEFAULT_CONFIG_LOCATION) -s $(IMAGESIZE) -d config.txt $@
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tools/output/fileadder -a $(CONFIG_LOCATION) -s $(IMAGESIZE) -d config.txt $@
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tools/output/fileadder -a $(HTML_LOCATION) -s $(IMAGESIZE) -d html -p html_data -b BANK1 $@
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tools/output/crc_calculator -u $@
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ln -sf $(MACHINE)/rtlplayground-$(FILENAME_EXTENSION).bin output/rtlplayground.bin
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.PHONY: clean all $(SUBDIRS) $(VERSION_HEADER)
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.PHONY:
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machine_check:
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@mkdir -p $(BUILDDIR)/tmp
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@set -eo pipefail; \
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for MACHINE in `grep -e ' MACHINE_' machine.c | sed -e 's%^.* MACHINE_%%' -e 's%[ ]*//.*$$%%' | sort -u`; \
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do \
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echo "Checking $${MACHINE}"; \
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$(CC) $(CC_FLAGS) -DMACHINE_$${MACHINE} -MMD -o $(BUILDDIR)/tmp/machine_check -c machine.c; \
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done
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@rm -rf $(BUILDDIR)/tmp
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-include $(DEPS)
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