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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 | # stdint.h provided locally until GCC 4.5 becomes C99 compliant | |
16 | APP_CFLAGS = -I. | |
17 | ||
18 | # Do not move this inclusion before the definition of {THUMB,ASM,ARM}SRC | |
19 | include ../common/Makefile.common | |
20 | ||
21 | all: $(OBJDIR)/bootrom.s19 | |
22 | ||
23 | $(OBJDIR)/bootrom.elf: $(VERSIONOBJ) $(ASMOBJ) $(ARMOBJ) $(THUMBOBJ) | |
24 | $(LD) -g -Tldscript-flash --oformat elf32-littlearm -Map=$(patsubst %.elf,%.map,$@) -o $@ $^ | |
25 | ||
26 | clean: | |
27 | $(DELETE) $(OBJDIR)$(PATHSEP)*.o | |
28 | $(DELETE) $(OBJDIR)$(PATHSEP)*.elf | |
29 | $(DELETE) $(OBJDIR)$(PATHSEP)*.s19 | |
30 | $(DELETE) $(OBJDIR)$(PATHSEP)*.map | |
31 | $(DELETE) $(OBJDIR)$(PATHSEP)*.d | |
32 | $(DELETE) version.c | |
33 | ||
34 | .PHONY: all clean help | |
35 | help: | |
36 | @echo Multi-OS Makefile, you are running on $(DETECTED_OS) | |
37 | @echo Possible targets: | |
38 | @echo + all - Make $(OBJDIR)/bootrom.s19, the main bootrom | |
39 | @echo + clean - Clean $(OBJDIR) |