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1 | #----------------------------------------------------------------------------- | |
2 | # This code is licensed to you under the terms of the GNU GPL, version 2 or, | |
3 | # at your option, any later version. See the LICENSE.txt file for the text of | |
4 | # the license. | |
5 | #----------------------------------------------------------------------------- | |
6 | # Makefile for bootrom, see ../common/Makefile.common for common settings | |
7 | #----------------------------------------------------------------------------- | |
8 | ||
9 | # DO NOT use thumb mode in the phase 1 bootloader since that generates a section with glue code | |
10 | ARMSRC = fromflash.c | |
11 | THUMBSRC = usb.c bootrom.c | |
12 | ASMSRC = ram-reset.s flash-reset.s | |
13 | ||
14 | ## There is a strange bug with the linker: Sometimes it will not emit the glue to call | |
15 | ## BootROM from ARM mode. The symbol is emitted, but the section will be filled with | |
16 | ## zeroes. As a temporary workaround, do not use thumb for the phase 2 bootloader | |
17 | ## -- Henryk Plötz <henryk@ploetzli.ch> 2009-09-01 | |
18 | ARMSRC := $(ARMSRC) $(THUMBSRC) | |
19 | THUMBSRC := | |
20 | ||
21 | # stdint.h provided locally until GCC 4.5 becomes C99 compliant | |
22 | APP_CFLAGS = -I. | |
23 | ||
24 | # Do not move this inclusion before the definition of {THUMB,ASM,ARM}SRC | |
25 | include ../common/Makefile.common | |
26 | ||
27 | all: $(OBJDIR)/bootrom.s19 | |
28 | ||
29 | $(OBJDIR)/bootrom.elf: $(VERSIONOBJ) $(ASMOBJ) $(ARMOBJ) $(THUMBOBJ) | |
30 | $(LD) -g -Tldscript-flash --oformat elf32-littlearm -Map=$(patsubst %.elf,%.map,$@) -o $@ $^ | |
31 | ||
32 | clean: | |
33 | $(DELETE) $(OBJDIR)$(PATHSEP)*.o | |
34 | $(DELETE) $(OBJDIR)$(PATHSEP)*.elf | |
35 | $(DELETE) $(OBJDIR)$(PATHSEP)*.s19 | |
36 | $(DELETE) $(OBJDIR)$(PATHSEP)*.map | |
37 | $(DELETE) $(OBJDIR)$(PATHSEP)*.d | |
38 | $(DELETE) version.c | |
39 | ||
40 | .PHONY: all clean help | |
41 | help: | |
42 | @echo Multi-OS Makefile, you are running on $(DETECTED_OS) | |
43 | @echo Possible targets: | |
44 | @echo + all - Make $(OBJDIR)/bootrom.s19, the main bootrom | |
45 | @echo + clean - Clean $(OBJDIR) |