Commit | Line | Data |
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2bf11819 PM |
1 | #!/bin/sh |
2 | ||
3 | # Copyright (C) 2006 Paul Mackerras, IBM Corporation <paulus@samba.org> | |
4 | # This program may be used under the terms of version 2 of the GNU | |
5 | # General Public License. | |
6 | ||
7 | # This script takes a kernel binary and optionally an initrd image | |
8 | # and/or a device-tree blob, and creates a bootable zImage for a | |
9 | # given platform. | |
10 | ||
11 | # Options: | |
12 | # -o zImage specify output file | |
13 | # -p platform specify platform (links in $platform.o) | |
14 | # -i initrd specify initrd file | |
15 | # -d devtree specify device-tree blob | |
16 | # -s tree.dts specify device-tree source file (needs dtc installed) | |
17 | # -c cache $kernel.strip.gz (use if present & newer, else make) | |
18 | # -C prefix specify command prefix for cross-building tools | |
19 | # (strip, objcopy, ld) | |
20 | # -D dir specify directory containing data files used by script | |
21 | # (default ./arch/powerpc/boot) | |
22 | # -W dir specify working directory for temporary files (default .) | |
23 | ||
d4740373 GL |
24 | # Stop execution if any command fails |
25 | set -e | |
26 | ||
7f66c1fd GL |
27 | # Allow for verbose output |
28 | if [ "$V" = 1 ]; then | |
29 | set -x | |
30 | fi | |
31 | ||
2bf11819 PM |
32 | # defaults |
33 | kernel= | |
34 | ofile=zImage | |
35 | platform=of | |
36 | initrd= | |
37 | dtb= | |
38 | dts= | |
39 | cacheit= | |
11c146cc | 40 | binary= |
a9903811 | 41 | gzip=.gz |
6975a783 | 42 | pie= |
2bf11819 PM |
43 | |
44 | # cross-compilation prefix | |
45 | CROSS= | |
46 | ||
3f884bf5 PT |
47 | # mkimage wrapper script |
48 | MKIMAGE=$srctree/scripts/mkuboot.sh | |
49 | ||
2bf11819 PM |
50 | # directory for object and other files used by this script |
51 | object=arch/powerpc/boot | |
5c539ee3 | 52 | objbin=$object |
c79b2973 | 53 | dtc=scripts/dtc/dtc |
2bf11819 PM |
54 | |
55 | # directory for working files | |
56 | tmpdir=. | |
57 | ||
58 | usage() { | |
59 | echo 'Usage: wrapper [-o output] [-p platform] [-i initrd]' >&2 | |
60 | echo ' [-d devtree] [-s tree.dts] [-c] [-C cross-prefix]' >&2 | |
a9903811 | 61 | echo ' [-D datadir] [-W workingdir] [--no-gzip] [vmlinux]' >&2 |
2bf11819 PM |
62 | exit 1 |
63 | } | |
64 | ||
65 | while [ "$#" -gt 0 ]; do | |
66 | case "$1" in | |
67 | -o) | |
68 | shift | |
69 | [ "$#" -gt 0 ] || usage | |
70 | ofile="$1" | |
71 | ;; | |
72 | -p) | |
73 | shift | |
74 | [ "$#" -gt 0 ] || usage | |
75 | platform="$1" | |
76 | ;; | |
77 | -i) | |
78 | shift | |
79 | [ "$#" -gt 0 ] || usage | |
80 | initrd="$1" | |
81 | ;; | |
82 | -d) | |
83 | shift | |
84 | [ "$#" -gt 0 ] || usage | |
85 | dtb="$1" | |
86 | ;; | |
87 | -s) | |
88 | shift | |
89 | [ "$#" -gt 0 ] || usage | |
90 | dts="$1" | |
91 | ;; | |
92 | -c) | |
93 | cacheit=y | |
94 | ;; | |
95 | -C) | |
96 | shift | |
97 | [ "$#" -gt 0 ] || usage | |
98 | CROSS="$1" | |
99 | ;; | |
100 | -D) | |
101 | shift | |
102 | [ "$#" -gt 0 ] || usage | |
103 | object="$1" | |
5c539ee3 | 104 | objbin="$1" |
2bf11819 PM |
105 | ;; |
106 | -W) | |
107 | shift | |
108 | [ "$#" -gt 0 ] || usage | |
109 | tmpdir="$1" | |
110 | ;; | |
a9903811 SW |
111 | --no-gzip) |
112 | gzip= | |
113 | ;; | |
2bf11819 PM |
114 | -?) |
115 | usage | |
116 | ;; | |
117 | *) | |
118 | [ -z "$kernel" ] || usage | |
119 | kernel="$1" | |
120 | ;; | |
121 | esac | |
122 | shift | |
123 | done | |
124 | ||
125 | if [ -n "$dts" ]; then | |
701172d1 DW |
126 | if [ ! -r "$dts" -a -r "$object/dts/$dts" ]; then |
127 | dts="$object/dts/$dts" | |
128 | fi | |
2bf11819 PM |
129 | if [ -z "$dtb" ]; then |
130 | dtb="$platform.dtb" | |
131 | fi | |
c79b2973 | 132 | $dtc -O dtb -o "$dtb" -b 0 "$dts" |
2bf11819 PM |
133 | fi |
134 | ||
135 | if [ -z "$kernel" ]; then | |
136 | kernel=vmlinux | |
137 | fi | |
138 | ||
139 | platformo=$object/"$platform".o | |
140 | lds=$object/zImage.lds | |
141 | ext=strip | |
142 | objflags=-S | |
143 | tmp=$tmpdir/zImage.$$.o | |
144 | ksection=.kernel:vmlinux.strip | |
145 | isection=.kernel:initrd | |
9b09c6d9 | 146 | link_address='0x400000' |
dfbc2d75 | 147 | make_space=y |
2bf11819 PM |
148 | |
149 | case "$platform" in | |
44790a0b BH |
150 | of) |
151 | platformo="$object/of.o $object/epapr.o" | |
152 | make_space=n | |
153 | ;; | |
9b09c6d9 | 154 | pseries) |
0c9fa291 | 155 | platformo="$object/of.o $object/epapr.o" |
9b09c6d9 | 156 | link_address='0x4000000' |
f5467e28 | 157 | make_space=n |
9b09c6d9 | 158 | ;; |
58706ef9 | 159 | maple) |
0c9fa291 | 160 | platformo="$object/of.o $object/epapr.o" |
58706ef9 | 161 | link_address='0x400000' |
f5467e28 | 162 | make_space=n |
58706ef9 | 163 | ;; |
9b09c6d9 | 164 | pmac|chrp) |
0c9fa291 | 165 | platformo="$object/of.o $object/epapr.o" |
f5467e28 | 166 | make_space=n |
2bf11819 | 167 | ;; |
627aa944 | 168 | coff) |
0c9fa291 | 169 | platformo="$object/crt0.o $object/of.o $object/epapr.o" |
2bf11819 | 170 | lds=$object/zImage.coff.lds |
9b09c6d9 | 171 | link_address='0x500000' |
f5467e28 | 172 | make_space=n |
6975a783 | 173 | pie= |
2bf11819 | 174 | ;; |
11eab297 | 175 | miboot|uboot*) |
2bf11819 PM |
176 | # miboot and U-boot want just the bare bits, not an ELF binary |
177 | ext=bin | |
178 | objflags="-O binary" | |
179 | tmp="$ofile" | |
180 | ksection=image | |
181 | isection=initrd | |
182 | ;; | |
0fdd717e | 183 | cuboot*) |
11c146cc | 184 | binary=y |
0fdd717e | 185 | gzip= |
25431333 | 186 | case "$platform" in |
8dd217b2 | 187 | *-mpc866ads|*-mpc885ads|*-adder875*|*-ep88xc) |
25431333 GL |
188 | platformo=$object/cuboot-8xx.o |
189 | ;; | |
190 | *5200*|*-motionpro) | |
191 | platformo=$object/cuboot-52xx.o | |
192 | ;; | |
193 | *-pq2fads|*-ep8248e|*-mpc8272*|*-storcenter) | |
194 | platformo=$object/cuboot-pq2.o | |
195 | ;; | |
196 | *-mpc824*) | |
197 | platformo=$object/cuboot-824x.o | |
198 | ;; | |
59d13f9d | 199 | *-mpc83*|*-asp834x*) |
25431333 GL |
200 | platformo=$object/cuboot-83xx.o |
201 | ;; | |
ff880112 | 202 | *-tqm8541|*-mpc8560*|*-tqm8560|*-tqm8555|*-ksi8560*) |
25431333 GL |
203 | platformo=$object/cuboot-85xx-cpm2.o |
204 | ;; | |
6dd1b64a | 205 | *-mpc85*|*-tqm85*|*-sbc85*) |
25431333 GL |
206 | platformo=$object/cuboot-85xx.o |
207 | ;; | |
8f23735d GP |
208 | *-amigaone) |
209 | link_address='0x800000' | |
210 | ;; | |
25431333 | 211 | esac |
0fdd717e | 212 | ;; |
bafdb645 GL |
213 | ps3) |
214 | platformo="$object/ps3-head.o $object/ps3-hvcall.o $object/ps3.o" | |
215 | lds=$object/zImage.ps3.lds | |
216 | gzip= | |
217 | ext=bin | |
218 | objflags="-O binary --set-section-flags=.bss=contents,alloc,load,data" | |
219 | ksection=.kernel:vmlinux.bin | |
220 | isection=.kernel:initrd | |
9b09c6d9 | 221 | link_address='' |
dfbc2d75 | 222 | make_space=n |
6975a783 | 223 | pie= |
bafdb645 | 224 | ;; |
a55387e5 | 225 | ep88xc|ep405|ep8248e) |
11c146cc SW |
226 | platformo="$object/fixed-head.o $object/$platform.o" |
227 | binary=y | |
228 | ;; | |
a55387e5 SW |
229 | adder875-redboot) |
230 | platformo="$object/fixed-head.o $object/redboot-8xx.o" | |
231 | binary=y | |
232 | ;; | |
d2477b5c | 233 | simpleboot-virtex405-*) |
d58577d8 JL |
234 | platformo="$object/virtex405-head.o $object/simpleboot.o $object/virtex.o" |
235 | binary=y | |
236 | ;; | |
237 | simpleboot-virtex440-*) | |
a7e1cf0c | 238 | platformo="$object/fixed-head.o $object/simpleboot.o $object/virtex.o" |
d2477b5c GL |
239 | binary=y |
240 | ;; | |
1d46e379 | 241 | simpleboot-*) |
a7e1cf0c | 242 | platformo="$object/fixed-head.o $object/simpleboot.o" |
1d46e379 GL |
243 | binary=y |
244 | ;; | |
59d13f9d BD |
245 | asp834x-redboot) |
246 | platformo="$object/fixed-head.o $object/redboot-83xx.o" | |
247 | binary=y | |
248 | ;; | |
24760823 NC |
249 | xpedite52*) |
250 | link_address='0x1400000' | |
251 | platformo=$object/cuboot-85xx.o | |
252 | ;; | |
6cdd2417 | 253 | gamecube|wii) |
b68a24bc AH |
254 | link_address='0x600000' |
255 | platformo="$object/$platform-head.o $object/$platform.o" | |
256 | ;; | |
228d5505 TB |
257 | treeboot-currituck) |
258 | link_address='0x1000000' | |
259 | ;; | |
b4e8c8dd TS |
260 | treeboot-iss4xx-mpic) |
261 | platformo="$object/treeboot-iss4xx.o" | |
262 | ;; | |
6c5b59b9 | 263 | epapr) |
0c9fa291 | 264 | platformo="$object/epapr.o $object/epapr-wrapper.o" |
6c5b59b9 DG |
265 | link_address='0x20000000' |
266 | pie=-pie | |
267 | ;; | |
be201981 SC |
268 | mvme5100) |
269 | platformo="$object/fixed-head.o $object/mvme5100.o" | |
270 | binary=y | |
271 | ;; | |
2bf11819 PM |
272 | esac |
273 | ||
274 | vmz="$tmpdir/`basename \"$kernel\"`.$ext" | |
1383a34f | 275 | if [ -z "$cacheit" -o ! -f "$vmz$gzip" -o "$vmz$gzip" -ot "$kernel" ]; then |
2bf11819 | 276 | ${CROSS}objcopy $objflags "$kernel" "$vmz.$$" |
a9903811 | 277 | |
c55aef0e SP |
278 | strip_size=$(stat -c %s $vmz.$$) |
279 | ||
a9903811 | 280 | if [ -n "$gzip" ]; then |
c4f56af0 | 281 | gzip -n -f -9 "$vmz.$$" |
a9903811 SW |
282 | fi |
283 | ||
2bf11819 | 284 | if [ -n "$cacheit" ]; then |
a9903811 | 285 | mv -f "$vmz.$$$gzip" "$vmz$gzip" |
2bf11819 PM |
286 | else |
287 | vmz="$vmz.$$" | |
288 | fi | |
c55aef0e SP |
289 | else |
290 | # Calculate the vmlinux.strip size | |
291 | ${CROSS}objcopy $objflags "$kernel" "$vmz.$$" | |
292 | strip_size=$(stat -c %s $vmz.$$) | |
293 | rm -f $vmz.$$ | |
294 | fi | |
295 | ||
dfbc2d75 SR |
296 | if [ "$make_space" = "y" ]; then |
297 | # Round the size to next higher MB limit | |
298 | round_size=$(((strip_size + 0xfffff) & 0xfff00000)) | |
c55aef0e | 299 | |
dfbc2d75 SR |
300 | round_size=0x$(printf "%x" $round_size) |
301 | link_addr=$(printf "%d" $link_address) | |
c55aef0e | 302 | |
dfbc2d75 SR |
303 | if [ $link_addr -lt $strip_size ]; then |
304 | echo "INFO: Uncompressed kernel (size 0x$(printf "%x\n" $strip_size))" \ | |
305 | "overlaps the address of the wrapper($link_address)" | |
306 | echo "INFO: Fixing the link_address of wrapper to ($round_size)" | |
307 | link_address=$round_size | |
308 | fi | |
2bf11819 PM |
309 | fi |
310 | ||
a9903811 SW |
311 | vmz="$vmz$gzip" |
312 | ||
a6afacb6 DG |
313 | # Extract kernel version information, some platforms want to include |
314 | # it in the image header | |
315 | version=`${CROSS}strings "$kernel" | grep '^Linux version [-0-9.]' | \ | |
316 | cut -d' ' -f3` | |
317 | if [ -n "$version" ]; then | |
318 | uboot_version="-n Linux-$version" | |
319 | fi | |
0fdd717e | 320 | |
b18796d3 KG |
321 | # physical offset of kernel image |
322 | membase=`${CROSS}objdump -p "$kernel" | grep -m 1 LOAD | awk '{print $7}'` | |
323 | ||
0fdd717e SW |
324 | case "$platform" in |
325 | uboot) | |
326 | rm -f "$ofile" | |
3f884bf5 | 327 | ${MKIMAGE} -A ppc -O linux -T kernel -C gzip -a $membase -e $membase \ |
a6afacb6 | 328 | $uboot_version -d "$vmz" "$ofile" |
2bf11819 | 329 | if [ -z "$cacheit" ]; then |
a9903811 | 330 | rm -f "$vmz" |
2bf11819 PM |
331 | fi |
332 | exit 0 | |
333 | ;; | |
11eab297 BH |
334 | uboot-obs600) |
335 | rm -f "$ofile" | |
336 | # obs600 wants a multi image with an initrd, so we need to put a fake | |
337 | # one in even when building a "normal" image. | |
338 | if [ -n "$initrd" ]; then | |
339 | real_rd="$initrd" | |
340 | else | |
341 | real_rd=`mktemp` | |
342 | echo "\0" >>"$real_rd" | |
343 | fi | |
344 | ${MKIMAGE} -A ppc -O linux -T multi -C gzip -a $membase -e $membase \ | |
345 | $uboot_version -d "$vmz":"$real_rd":"$dtb" "$ofile" | |
346 | if [ -z "$initrd" ]; then | |
347 | rm -f "$real_rd" | |
348 | fi | |
349 | if [ -z "$cacheit" ]; then | |
350 | rm -f "$vmz" | |
351 | fi | |
352 | exit 0 | |
353 | ;; | |
2bf11819 PM |
354 | esac |
355 | ||
356 | addsec() { | |
357 | ${CROSS}objcopy $4 $1 \ | |
358 | --add-section=$3="$2" \ | |
359 | --set-section-flags=$3=contents,alloc,load,readonly,data | |
360 | } | |
361 | ||
a9903811 | 362 | addsec $tmp "$vmz" $ksection $object/empty.o |
2bf11819 | 363 | if [ -z "$cacheit" ]; then |
a9903811 | 364 | rm -f "$vmz" |
2bf11819 PM |
365 | fi |
366 | ||
367 | if [ -n "$initrd" ]; then | |
c888554b | 368 | addsec $tmp "$initrd" $isection |
2bf11819 PM |
369 | fi |
370 | ||
371 | if [ -n "$dtb" ]; then | |
c888554b | 372 | addsec $tmp "$dtb" .kernel:dtb |
e9c4b4bd MG |
373 | if [ -n "$dts" ]; then |
374 | rm $dtb | |
375 | fi | |
2bf11819 PM |
376 | fi |
377 | ||
378 | if [ "$platform" != "miboot" ]; then | |
9b09c6d9 | 379 | if [ -n "$link_address" ] ; then |
6975a783 | 380 | text_start="-Ttext $link_address" |
9b09c6d9 | 381 | fi |
6975a783 | 382 | ${CROSS}ld -m elf32ppc -T $lds $text_start $pie -o "$ofile" \ |
cd197ffc | 383 | $platformo $tmp $object/wrapper.a |
2bf11819 PM |
384 | rm $tmp |
385 | fi | |
386 | ||
a6afacb6 DG |
387 | # Some platforms need the zImage's entry point and base address |
388 | base=0x`${CROSS}nm "$ofile" | grep ' _start$' | cut -d' ' -f1` | |
389 | entry=`${CROSS}objdump -f "$ofile" | grep '^start address ' | cut -d' ' -f3` | |
390 | ||
11c146cc SW |
391 | if [ -n "$binary" ]; then |
392 | mv "$ofile" "$ofile".elf | |
aeb4552f | 393 | ${CROSS}objcopy -O binary "$ofile".elf "$ofile" |
11c146cc SW |
394 | fi |
395 | ||
2bf11819 PM |
396 | # post-processing needed for some platforms |
397 | case "$platform" in | |
58706ef9 | 398 | pseries|chrp|maple) |
5663a123 | 399 | $objbin/addnote "$ofile" |
0dcd4401 | 400 | ;; |
627aa944 | 401 | coff) |
cd197ffc | 402 | ${CROSS}objcopy -O aixcoff-rs6000 --set-start "$entry" "$ofile" |
5c539ee3 | 403 | $objbin/hack-coff "$ofile" |
2bf11819 | 404 | ;; |
0fdd717e | 405 | cuboot*) |
c4f56af0 | 406 | gzip -n -f -9 "$ofile" |
3f884bf5 | 407 | ${MKIMAGE} -A ppc -O linux -T kernel -C gzip -a "$base" -e "$entry" \ |
aeb4552f | 408 | $uboot_version -d "$ofile".gz "$ofile" |
0fdd717e | 409 | ;; |
f6dfc805 DG |
410 | treeboot*) |
411 | mv "$ofile" "$ofile.elf" | |
5c539ee3 | 412 | $objbin/mktree "$ofile.elf" "$ofile" "$base" "$entry" |
f6dfc805 DG |
413 | if [ -z "$cacheit" ]; then |
414 | rm -f "$ofile.elf" | |
415 | fi | |
416 | exit 0 | |
417 | ;; | |
bafdb645 | 418 | ps3) |
5761eaa3 GL |
419 | # The ps3's loader supports loading a gzipped binary image from flash |
420 | # rom to ram addr zero. The loader then enters the system reset | |
421 | # vector at addr 0x100. A bootwrapper overlay is used to arrange for | |
422 | # a binary image of the kernel to be at addr zero, and yet have a | |
423 | # suitable bootwrapper entry at 0x100. To construct the final rom | |
424 | # image 512 bytes from offset 0x100 is copied to the bootwrapper | |
425 | # place holder at symbol __system_reset_kernel. The 512 bytes of the | |
426 | # bootwrapper entry code at symbol __system_reset_overlay is then | |
427 | # copied to offset 0x100. At runtime the bootwrapper program copies | |
428 | # the data at __system_reset_kernel back to addr 0x100. | |
bafdb645 | 429 | |
aeb4552f | 430 | system_reset_overlay=0x`${CROSS}nm "$ofile" \ |
bafdb645 GL |
431 | | grep ' __system_reset_overlay$' \ |
432 | | cut -d' ' -f1` | |
433 | system_reset_overlay=`printf "%d" $system_reset_overlay` | |
aeb4552f | 434 | system_reset_kernel=0x`${CROSS}nm "$ofile" \ |
bafdb645 GL |
435 | | grep ' __system_reset_kernel$' \ |
436 | | cut -d' ' -f1` | |
437 | system_reset_kernel=`printf "%d" $system_reset_kernel` | |
438 | overlay_dest="256" | |
5761eaa3 | 439 | overlay_size="512" |
bafdb645 | 440 | |
aeb4552f SW |
441 | ${CROSS}objcopy -O binary "$ofile" "$ofile.bin" |
442 | ||
d4740373 GL |
443 | dd if="$ofile.bin" of="$ofile.bin" conv=notrunc \ |
444 | skip=$overlay_dest seek=$system_reset_kernel \ | |
445 | count=$overlay_size bs=1 | |
bafdb645 | 446 | |
d4740373 GL |
447 | dd if="$ofile.bin" of="$ofile.bin" conv=notrunc \ |
448 | skip=$system_reset_overlay seek=$overlay_dest \ | |
449 | count=$overlay_size bs=1 | |
bafdb645 | 450 | |
928b9695 DW |
451 | odir="$(dirname "$ofile.bin")" |
452 | rm -f "$odir/otheros.bld" | |
c4f56af0 | 453 | gzip -n --force -9 --stdout "$ofile.bin" > "$odir/otheros.bld" |
bafdb645 | 454 | ;; |
2bf11819 | 455 | esac |