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Reclaim more than 19K of ARM flash memory.

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- added compiler options -fdata-sections and -ffunction-sections (thanks to iceman for the hint)
- removed float operations from common/lfdemod.c to avoid adding float libraries to the ARM os image
- moved the fpga images to the data section to avoid reserving unused space for a separate section
This commit is contained in:
pwpiwi 2015-03-31 08:01:23 +02:00
commit e335ca2846
5 changed files with 28 additions and 39 deletions
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12
Makefile
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@ -23,8 +23,8 @@ help:
@echo + all - Make bootrom, armsrc and the OS-specific host directory
@echo + client - Make only the OS-specific host directory
@echo + flash-bootrom - Make bootrom and flash it
@echo + flash-os - Make armsrc and flash os
@echo + flash-fpga - Make armsrc and flash fpga
@echo + flash-os - Make armsrc and flash os (includes fpga)
@echo + flash-fpga - (Deprecated:) Make armsrc and flash fpga
@echo + flash-both - Make armsrc and flash os and fpga image
@echo + flash-all - Make bootrom and armsrc and flash bootrom, os and fpga image
@echo + clean - Clean in bootrom, armsrc and the OS-specific host directory
@ -37,13 +37,13 @@ flash-bootrom: bootrom/obj/bootrom.elf $(FLASH_TOOL)
flash-os: armsrc/obj/osimage.elf $(FLASH_TOOL)
$(FLASH_TOOL) $(FLASH_PORT) $(subst /,$(PATHSEP),$<)
flash-fpga: armsrc/obj/fpgaimage.elf $(FLASH_TOOL)
$(FLASH_TOOL) $(FLASH_PORT) $(subst /,$(PATHSEP),$<)
#flash-fpga: armsrc/obj/fpgaimage.elf $(FLASH_TOOL)
# $(FLASH_TOOL) $(FLASH_PORT) $(subst /,$(PATHSEP),$<)
flash-both: armsrc/obj/osimage.elf armsrc/obj/fpgaimage.elf $(FLASH_TOOL)
flash-both: armsrc/obj/osimage.elf $(FLASH_TOOL)
$(FLASH_TOOL) $(FLASH_PORT) $(subst /,$(PATHSEP),$(filter-out $(FLASH_TOOL),$^))
flash-all: bootrom/obj/bootrom.elf armsrc/obj/osimage.elf armsrc/obj/fpgaimage.elf $(FLASH_TOOL)
flash-all: bootrom/obj/bootrom.elf armsrc/obj/osimage.elf $(FLASH_TOOL)
$(FLASH_TOOL) $(FLASH_PORT) -b $(subst /,$(PATHSEP),$(filter-out $(FLASH_TOOL),$^))
newtarbin: