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ef: pad any gaps between the BL bank and the FW bank

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The Entire Flash (EF) image for revo has a gap between
the end of the BL bank and the start of the FW bank.
This fills the gap with 0xFF and properly aligns the
FW image in flash.
This commit is contained in:
Stacey Sheldon 2012-04-01 22:39:27 -04:00
parent eab923fee0
commit 9b33be5d65
1 changed files with 7 additions and 2 deletions
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9
flight/EntireFlash/Makefile
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@ -33,11 +33,16 @@ OUTDIR := $(TOP)/build/$(TARGET)
.PHONY: bin
bin: $(OUTDIR)/$(TARGET).bin
FW_PAD = $(shell echo $$[$(FW_BANK_BASE)-$(BL_BANK_BASE)-$(BL_BANK_SIZE)])
$(OUTDIR)/$(TARGET).pad:
$(V0) @echo " PADDING $@"
$(V1) dd status=noxfer if=/dev/zero count=$(FW_PAD) bs=1 2>/dev/null | tr '\000' '\377' > $@
BL_BIN = $(TOP)/build/bl_$(BOARD_NAME)/bl_$(BOARD_NAME).bin
FW_BIN = $(TOP)/build/fw_$(BOARD_NAME)/fw_$(BOARD_NAME).bin
$(OUTDIR)/$(TARGET).bin: $(BL_BIN) $(FW_BIN)
$(OUTDIR)/$(TARGET).bin: $(BL_BIN) $(FW_BIN) $(OUTDIR)/$(TARGET).pad
$(V0) @echo " FLASH IMG $@"
$(V1) cat $(BL_BIN) $(FW_BIN) > $@
$(V1) cat $(BL_BIN) $(OUTDIR)/$(TARGET).pad $(FW_BIN) > $@
.PHONY: dfu
dfu: $(OUTDIR)/$(TARGET).bin