01be30f107
As a follow up toc461e20df3("make: Remove version from build output path"), only support building a single version of a single board by default. The build directory can still be specified by passing `BUILD`. Fixes running the `clean` target when `BUILD` is a custom value or `BOARD` isn't set. Fixes:b03c960b4f("make: Reduce build output") Signed-off-by: Tim Crawford <tcrawford@system76.com>
60 lines
1.7 KiB
Makefile
60 lines
1.7 KiB
Makefile
# SPDX-License-Identifier: GPL-3.0-only
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scratch-y += main.c
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scratch-y += stdio.c
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scratch-y += ../smfi.c
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# Set scratch ROM parameters
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SCRATCH_OFFSET=1024
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SCRATCH_SIZE=1024
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CFLAGS+=-DSCRATCH_OFFSET=$(SCRATCH_OFFSET) -DSCRATCH_SIZE=$(SCRATCH_SIZE)
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# Copy parameters to use when compiling scratch ROM
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SCRATCH_INCLUDE=$(INCLUDE)
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SCRATCH_CFLAGS=$(CFLAGS)
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# Include scratch source
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SCRATCH_DIR=$(SYSTEM76_COMMON_DIR)/scratch
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SCRATCH_INCLUDE += $(SCRATCH_DIR)/scratch.mk
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SCRATCH_CFLAGS+=-I$(SCRATCH_DIR)/include -D__SCRATCH__
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SCRATCH_SRC += $(foreach src, $(scratch-y), $(SCRATCH_DIR)/$(src))
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SCRATCH_BUILD=$(BUILD)/scratch
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SCRATCH_OBJ=$(sort $(patsubst src/%.c,$(SCRATCH_BUILD)/%.rel,$(SCRATCH_SRC)))
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SCRATCH_CC=\
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sdcc \
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-mmcs51 \
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-MMD \
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--model-small \
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--code-loc $(SCRATCH_OFFSET) \
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--code-size $(SCRATCH_SIZE) \
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--Werror
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# Convert from binary file to C header
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$(BUILD)/include/scratch.h: $(SCRATCH_BUILD)/scratch.rom
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@echo " XXD $(subst $(BUILD)/,,$@)"
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mkdir -p $(@D)
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xxd -include < $< > $@
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# Convert from Intel Hex file to binary file
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$(SCRATCH_BUILD)/scratch.rom: $(SCRATCH_BUILD)/scratch.ihx
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@echo " OBJCOPY $(subst $(BUILD)/,,$@)"
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mkdir -p $(@D)
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objcopy -I ihex -O binary $< $@
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# Link object files into Intel Hex file
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$(SCRATCH_BUILD)/scratch.ihx: $(SCRATCH_OBJ)
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@echo " LINK $(subst $(BUILD)/,,$@)"
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mkdir -p $(@D)
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$(SCRATCH_CC) -o $@ $^
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# Compile C files into object files
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$(SCRATCH_OBJ): $(SCRATCH_BUILD)/%.rel: src/%.c $(SCRATCH_INCLUDE)
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@echo " CC $(subst $(BUILD)/,,$@)"
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mkdir -p $(@D)
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$(SCRATCH_CC) $(SCRATCH_CFLAGS) -o $@ -c $<
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# Include scratch header in main firmware
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CFLAGS+=-I$(BUILD)/include
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INCLUDE+=$(BUILD)/include/scratch.h
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