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Major rework of mkamsboot, extending work done by Rafael Carre. We now build one "dualboot.bin" mini-bootloader per target and embed it in the mkamsboot binary. The user of mkamsboot just needs to provide an original firmware file, and a Rockbox bootloader file. This code currently supports just the Clip (hardware revision 1) and the E200v2 - button checks are needed for the other V2 targets. NOTE: This is completely untested on-target, and may brick your device.
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@18767 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Dave Chapman
parent
ced0adc527
commit
1c4bcfac69
6 changed files with 623 additions and 247 deletions
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@ -1,56 +1,94 @@
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# Change INFILE to point to your original firmware file
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INFILE=$(HOME)/FW/AMS/CLIP/m300a-1.1.17A.bin
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# OUTFILE is the file you copy to your device's root and rename to
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# (e.g.) m300a.bin
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OUTFILE=patched.bin
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# We use the UCL code available in the Rockbox tools/ directory
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# The uclpack command
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UCLPACK=../../tools/uclpack
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CFLAGS=-I../../tools/ucl/include
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LIBUCL=../../tools/ucl/src/libucl.a
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all: $(OUTFILE)
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# Edit the following variables (plus copy/paste another set of rules) when
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# adding a new target. mkamsboot.c also needs to be edited to refer to these
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# new images.
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#
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# If anyone reading this wants to improve this makefile, please do!
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mkamsboot: mkamsboot.c
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gcc -o mkamsboot -W -Wall mkamsboot.c
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BOOTIMAGES = bootimg_clip.o bootimg_e200v2.o
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BOOTHEADERS = bootimg_clip.h bootimg_e200v2.h
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extract_fw: extract_fw.c
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gcc -o extract_fw -W -Wall extract_fw.c
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CLIPFILES = dualboot-clip.o dualboot-clip.elf dualboot-clip.o \
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dualboot-clip.bin bootimg_clip.c bootimg_clip.h
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E200V2FILES = dualboot-e200v2.o dualboot-e200v2.elf dualboot-e200v2.o \
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dualboot-e200v2.bin bootimg_e200v2.c bootimg_e200v2.h
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all: mkamsboot
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$(LIBUCL):
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make -C ../../tools/ucl/src libucl.a
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mkamsboot.o: mkamsboot.c $(BOOTHEADERS) uclimg.h
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gcc $(CFLAGS) -c -o mkamsboot.o -W -Wall mkamsboot.c
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mkamsboot: mkamsboot.o $(BOOTIMAGES) uclimg.o $(LIBUCL)
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gcc -o mkamsboot mkamsboot.o $(BOOTIMAGES) uclimg.o $(LIBUCL)
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# Rules for our test ARM application - assemble, link, then extract
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# the binary code
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test.o: test.S
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arm-elf-as -o test.o test.S
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# CLIP
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test.elf: test.o
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arm-elf-ld -e 0 -Ttext=0 -o test.elf test.o
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dualboot-clip.o: dualboot.S
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arm-elf-gcc -DSANSA_CLIP -c -o dualboot-clip.o dualboot.S
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test.bin: test.elf
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arm-elf-objcopy -O binary test.elf test.bin
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dualboot-clip.elf: dualboot-clip.o
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arm-elf-ld -e 0 -Ttext=0 -o dualboot-clip.elf dualboot-clip.o
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# Rules for the ucl unpack function - this is inserted in the padding at
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# the end of the original firmware block
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dualboot-clip.bin: dualboot-clip.elf
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arm-elf-objcopy -O binary dualboot-clip.elf dualboot-clip.bin
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bootimg_clip.c bootimg_clip.h: dualboot-clip.bin bin2c
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./bin2c dualboot-clip.bin bootimg_clip
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bootimg_clip.o: bootimg_clip.c
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gcc -c -o bootimg_clip.o bootimg_clip.c
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# E200V2
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dualboot-e200v2.o: dualboot.S
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arm-elf-gcc -DSANSA_E200V2 -c -o dualboot-e200v2.o dualboot.S
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dualboot-e200v2.elf: dualboot-e200v2.o
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arm-elf-ld -e 0 -Ttext=0 -o dualboot-e200v2.elf dualboot-e200v2.o
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dualboot-e200v2.bin: dualboot-e200v2.elf
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arm-elf-objcopy -O binary dualboot-e200v2.elf dualboot-e200v2.bin
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bootimg_e200v2.c bootimg_e200v2.h: dualboot-e200v2.bin bin2c
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./bin2c dualboot-e200v2.bin bootimg_e200v2
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bootimg_e200v2.o: bootimg_e200v2.c
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gcc -c -o bootimg_e200v2.o bootimg_e200v2.c
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# Rules for the ucl unpack function
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nrv2e_d8.o: nrv2e_d8.S
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arm-elf-gcc -DPURE_THUMB -c -o nrv2e_d8.o nrv2e_d8.S
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# NOTE: this function has no absolute references, so the link address (-e)
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# is irrelevant. We just link at address 0.
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# is irrelevant. We just link at address 0, but it can run from anywhere.
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nrv2e_d8.elf: nrv2e_d8.o
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arm-elf-ld -e 0 -Ttext=0 -o nrv2e_d8.elf nrv2e_d8.o
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nrv2e_d8.bin: nrv2e_d8.elf
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arm-elf-objcopy -O binary nrv2e_d8.elf nrv2e_d8.bin
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firmware_block.ucl: firmware_block.bin
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$(UCLPACK) --best --2e firmware_block.bin firmware_block.ucl
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uclimg.c uclimg.h: nrv2e_d8.bin bin2c
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./bin2c nrv2e_d8.bin uclimg
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firmware_block.bin: $(INFILE) extract_fw
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./extract_fw $(INFILE) firmware_block.bin
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uclimg.o: uclimg.c
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gcc -c -o uclimg.o uclimg.c
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$(OUTFILE): mkamsboot firmware_block.ucl test.bin nrv2e_d8.bin $(INFILE)
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./mkamsboot $(INFILE) firmware_block.ucl test.bin nrv2e_d8.bin $(OUTFILE)
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bin2c: bin2c.c
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gcc -o bin2c bin2c.c
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clean:
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rm -fr amsinfo mkamsboot test.o test.elf test.bin extract_fw \
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nrv2e_d8.o nrv2e_d8.elf nrv2e_d8.bin firmware_block.bin \
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firmware_block.ucl $(OUTFILE) *~
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rm -f mkamsboot mkamsboot.o nrv2e_d8.o nrv2e_d8.elf nrv2e_d8.bin *~ \
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bin2c uclimg.c uclimg.h uclimg.o \
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$(BOOTIMAGES) $(CLIPFILES) $(E200V2FILES)
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