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Automatically enter bootrom when OS image doesn't appear to be proper
[proxmark3-svn] / bootrom / Makefile
1 # Makefile for bootrom, see ../common/Makefile.common for common settings
2
3 # DO NOT use thumb mode in the phase 1 bootloader since that generates a section with glue code
4 ARMSRC = fromflash.c
5 THUMBSRC = usb.c bootrom.c
6 ASMSRC = ram-reset.s flash-reset.s
7
8 ## There is a strange bug with the linker: Sometimes it will not emit the glue to call
9 ## BootROM from ARM mode. The symbol is emitted, but the section will be filled with
10 ## zeroes. As a temporary workaround, do not use thumb for the phase 2 bootloader
11 ## -- Henryk Plötz <henryk@ploetzli.ch> 2009-09-01
12 ARMSRC := $(ARMSRC) $(THUMBSRC)
13 THUMBSRC :=
14
15 # Do not move this inclusion before the definition of {THUMB,ASM,ARM}SRC
16 include ../common/Makefile.common
17
18 all: $(OBJDIR)/bootrom.s19
19
20 $(OBJDIR)/bootrom.elf: $(VERSIONOBJ) $(ASMOBJ) $(ARMOBJ) $(THUMBOBJ)
21 $(LD) -g -Tldscript-flash --oformat elf32-littlearm -Map=$(patsubst %.elf,%.map,$@) -o $@ $^
22
23 clean:
24 $(DELETE) $(OBJDIR)$(PATHSEP)*.o
25 $(DELETE) $(OBJDIR)$(PATHSEP)*.elf
26 $(DELETE) $(OBJDIR)$(PATHSEP)*.s19
27 $(DELETE) $(OBJDIR)$(PATHSEP)*.map
28 $(DELETE) $(OBJDIR)$(PATHSEP)*.d
29 $(DELETE) version.c
30
31 .PHONY: all clean help
32 help:
33 @echo Multi-OS Makefile, you are running on $(DETECTED_OS)
34 @echo Possible targets:
35 @echo + all - Make $(OBJDIR)/bootrom.s19, the main bootrom
36 @echo + clean - Clean $(OBJDIR)
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