Commit | Line | Data |
---|---|---|
2bf11819 | 1 | #!/bin/sh |
00b46d22 | 2 | # SPDX-License-Identifier: GPL-2.0-only |
2bf11819 PM |
3 | |
4 | # Copyright (C) 2006 Paul Mackerras, IBM Corporation <paulus@samba.org> | |
2bf11819 PM |
5 | |
6 | # This script takes a kernel binary and optionally an initrd image | |
7 | # and/or a device-tree blob, and creates a bootable zImage for a | |
8 | # given platform. | |
9 | ||
10 | # Options: | |
11 | # -o zImage specify output file | |
12 | # -p platform specify platform (links in $platform.o) | |
13 | # -i initrd specify initrd file | |
14 | # -d devtree specify device-tree blob | |
15 | # -s tree.dts specify device-tree source file (needs dtc installed) | |
528229d2 | 16 | # -e esm_blob specify ESM blob for secure images |
2bf11819 PM |
17 | # -c cache $kernel.strip.gz (use if present & newer, else make) |
18 | # -C prefix specify command prefix for cross-building tools | |
19 | # (strip, objcopy, ld) | |
20 | # -D dir specify directory containing data files used by script | |
21 | # (default ./arch/powerpc/boot) | |
22 | # -W dir specify working directory for temporary files (default .) | |
f1e510bb OH |
23 | # -z use gzip (legacy) |
24 | # -Z zsuffix compression to use (gz, xz or none) | |
2bf11819 | 25 | |
d4740373 GL |
26 | # Stop execution if any command fails |
27 | set -e | |
28 | ||
b949d009 CL |
29 | export LC_ALL=C |
30 | ||
7f66c1fd GL |
31 | # Allow for verbose output |
32 | if [ "$V" = 1 ]; then | |
33 | set -x | |
f61200d3 | 34 | map="-Map wrapper.map" |
7f66c1fd GL |
35 | fi |
36 | ||
2bf11819 PM |
37 | # defaults |
38 | kernel= | |
39 | ofile=zImage | |
40 | platform=of | |
41 | initrd= | |
42 | dtb= | |
43 | dts= | |
528229d2 | 44 | esm_blob= |
2bf11819 | 45 | cacheit= |
11c146cc | 46 | binary= |
f1e510bb | 47 | compression=.gz |
fbded57c | 48 | uboot_comp=gzip |
6975a783 | 49 | pie= |
147c0516 | 50 | format= |
4c078c86 | 51 | notext= |
26ba9f96 | 52 | rodynamic= |
2bf11819 PM |
53 | |
54 | # cross-compilation prefix | |
55 | CROSS= | |
56 | ||
3f884bf5 PT |
57 | # mkimage wrapper script |
58 | MKIMAGE=$srctree/scripts/mkuboot.sh | |
59 | ||
2bf11819 PM |
60 | # directory for object and other files used by this script |
61 | object=arch/powerpc/boot | |
5c539ee3 | 62 | objbin=$object |
c79b2973 | 63 | dtc=scripts/dtc/dtc |
2bf11819 PM |
64 | |
65 | # directory for working files | |
66 | tmpdir=. | |
67 | ||
68 | usage() { | |
69 | echo 'Usage: wrapper [-o output] [-p platform] [-i initrd]' >&2 | |
528229d2 BH |
70 | echo ' [-d devtree] [-s tree.dts] [-e esm_blob]' >&2 |
71 | echo ' [-c] [-C cross-prefix] [-D datadir] [-W workingdir]' >&2 | |
72 | echo ' [-Z (gz|xz|none)] [--no-compression] [vmlinux]' >&2 | |
2bf11819 PM |
73 | exit 1 |
74 | } | |
75 | ||
879c26d4 GL |
76 | run_cmd() { |
77 | if [ "$V" = 1 ]; then | |
78 | $* 2>&1 | |
79 | else | |
80 | local msg | |
81 | ||
82 | set +e | |
83 | msg=$($* 2>&1) | |
84 | ||
85 | if [ $? -ne "0" ]; then | |
86 | echo $msg | |
87 | exit 1 | |
88 | fi | |
89 | set -e | |
90 | fi | |
91 | } | |
92 | ||
2bf11819 PM |
93 | while [ "$#" -gt 0 ]; do |
94 | case "$1" in | |
95 | -o) | |
96 | shift | |
97 | [ "$#" -gt 0 ] || usage | |
98 | ofile="$1" | |
99 | ;; | |
100 | -p) | |
101 | shift | |
102 | [ "$#" -gt 0 ] || usage | |
103 | platform="$1" | |
104 | ;; | |
105 | -i) | |
106 | shift | |
107 | [ "$#" -gt 0 ] || usage | |
108 | initrd="$1" | |
109 | ;; | |
110 | -d) | |
111 | shift | |
112 | [ "$#" -gt 0 ] || usage | |
113 | dtb="$1" | |
114 | ;; | |
528229d2 BH |
115 | -e) |
116 | shift | |
117 | [ "$#" -gt 0 ] || usage | |
118 | esm_blob="$1" | |
119 | ;; | |
2bf11819 PM |
120 | -s) |
121 | shift | |
122 | [ "$#" -gt 0 ] || usage | |
123 | dts="$1" | |
124 | ;; | |
125 | -c) | |
126 | cacheit=y | |
127 | ;; | |
128 | -C) | |
129 | shift | |
130 | [ "$#" -gt 0 ] || usage | |
131 | CROSS="$1" | |
132 | ;; | |
133 | -D) | |
134 | shift | |
135 | [ "$#" -gt 0 ] || usage | |
136 | object="$1" | |
5c539ee3 | 137 | objbin="$1" |
2bf11819 PM |
138 | ;; |
139 | -W) | |
140 | shift | |
141 | [ "$#" -gt 0 ] || usage | |
142 | tmpdir="$1" | |
143 | ;; | |
f1e510bb OH |
144 | -z) |
145 | compression=.gz | |
fbded57c | 146 | uboot_comp=gzip |
f1e510bb OH |
147 | ;; |
148 | -Z) | |
149 | shift | |
150 | [ "$#" -gt 0 ] || usage | |
264bffad | 151 | [ "$1" != "gz" -o "$1" != "xz" -o "$1" != "lzma" -o "$1" != "lzo" -o "$1" != "none" ] || usage |
f1e510bb OH |
152 | |
153 | compression=".$1" | |
fbded57c | 154 | uboot_comp=$1 |
f1e510bb OH |
155 | |
156 | if [ $compression = ".none" ]; then | |
157 | compression= | |
fbded57c | 158 | uboot_comp=none |
f1e510bb | 159 | fi |
fbded57c CL |
160 | if [ $uboot_comp = "gz" ]; then |
161 | uboot_comp=gzip | |
162 | fi | |
f1e510bb | 163 | ;; |
a9903811 | 164 | --no-gzip) |
87c78b61 | 165 | # a "feature" of the wrapper script is that it can be used outside |
f1e510bb OH |
166 | # the kernel tree. So keeping this around for backwards compatibility. |
167 | compression= | |
fbded57c | 168 | uboot_comp=none |
a9903811 | 169 | ;; |
2bf11819 PM |
170 | -?) |
171 | usage | |
172 | ;; | |
173 | *) | |
174 | [ -z "$kernel" ] || usage | |
175 | kernel="$1" | |
176 | ;; | |
177 | esac | |
178 | shift | |
179 | done | |
180 | ||
f1e510bb | 181 | |
2bf11819 | 182 | if [ -n "$dts" ]; then |
701172d1 DW |
183 | if [ ! -r "$dts" -a -r "$object/dts/$dts" ]; then |
184 | dts="$object/dts/$dts" | |
185 | fi | |
2bf11819 PM |
186 | if [ -z "$dtb" ]; then |
187 | dtb="$platform.dtb" | |
188 | fi | |
c79b2973 | 189 | $dtc -O dtb -o "$dtb" -b 0 "$dts" |
2bf11819 PM |
190 | fi |
191 | ||
192 | if [ -z "$kernel" ]; then | |
193 | kernel=vmlinux | |
194 | fi | |
195 | ||
77a88274 | 196 | LC_ALL=C elfformat="`${CROSS}objdump -p "$kernel" | grep 'file format' | awk '{print $4}'`" |
147c0516 CLG |
197 | case "$elfformat" in |
198 | elf64-powerpcle) format=elf64lppc ;; | |
199 | elf64-powerpc) format=elf32ppc ;; | |
200 | elf32-powerpc) format=elf32ppc ;; | |
201 | esac | |
202 | ||
ff45000f NP |
203 | ld_version() |
204 | { | |
205 | # Poached from scripts/ld-version.sh, but we don't want to call that because | |
206 | # this script (wrapper) is distributed separately from the kernel source. | |
207 | # Extract linker version number from stdin and turn into single number. | |
208 | awk '{ | |
209 | gsub(".*\\)", ""); | |
210 | gsub(".*version ", ""); | |
211 | gsub("-.*", ""); | |
212 | split($1,a, "."); | |
213 | print a[1]*100000000 + a[2]*1000000 + a[3]*10000; | |
214 | exit | |
215 | }' | |
216 | } | |
217 | ||
218 | # Do not include PT_INTERP segment when linking pie. Non-pie linking | |
219 | # just ignores this option. | |
220 | LD_VERSION=$(${CROSS}ld --version | ld_version) | |
221 | LD_NO_DL_MIN_VERSION=$(echo 2.26 | ld_version) | |
222 | if [ "$LD_VERSION" -ge "$LD_NO_DL_MIN_VERSION" ] ; then | |
223 | nodl="--no-dynamic-linker" | |
224 | fi | |
147c0516 | 225 | |
2bf11819 PM |
226 | platformo=$object/"$platform".o |
227 | lds=$object/zImage.lds | |
228 | ext=strip | |
229 | objflags=-S | |
230 | tmp=$tmpdir/zImage.$$.o | |
231 | ksection=.kernel:vmlinux.strip | |
232 | isection=.kernel:initrd | |
528229d2 | 233 | esection=.kernel:esm_blob |
9b09c6d9 | 234 | link_address='0x400000' |
dfbc2d75 | 235 | make_space=y |
2bf11819 | 236 | |
528229d2 BH |
237 | |
238 | if [ -n "$esm_blob" -a "$platform" != "pseries" ]; then | |
239 | echo "ESM blob not support on non-pseries platforms" >&2 | |
240 | exit 1 | |
241 | fi | |
242 | ||
2bf11819 | 243 | case "$platform" in |
44790a0b BH |
244 | of) |
245 | platformo="$object/of.o $object/epapr.o" | |
246 | make_space=n | |
247 | ;; | |
9b09c6d9 | 248 | pseries) |
2d9afb36 | 249 | platformo="$object/pseries-head.o $object/of.o $object/epapr.o" |
9b09c6d9 | 250 | link_address='0x4000000' |
147c0516 CLG |
251 | if [ "$format" != "elf32ppc" ]; then |
252 | link_address= | |
253 | pie=-pie | |
254 | fi | |
f5467e28 | 255 | make_space=n |
9b09c6d9 | 256 | ;; |
58706ef9 | 257 | maple) |
0c9fa291 | 258 | platformo="$object/of.o $object/epapr.o" |
58706ef9 | 259 | link_address='0x400000' |
f5467e28 | 260 | make_space=n |
58706ef9 | 261 | ;; |
9b09c6d9 | 262 | pmac|chrp) |
0c9fa291 | 263 | platformo="$object/of.o $object/epapr.o" |
f5467e28 | 264 | make_space=n |
2bf11819 | 265 | ;; |
627aa944 | 266 | coff) |
0c9fa291 | 267 | platformo="$object/crt0.o $object/of.o $object/epapr.o" |
2bf11819 | 268 | lds=$object/zImage.coff.lds |
9b09c6d9 | 269 | link_address='0x500000' |
f5467e28 | 270 | make_space=n |
6975a783 | 271 | pie= |
2bf11819 | 272 | ;; |
11eab297 | 273 | miboot|uboot*) |
2bf11819 PM |
274 | # miboot and U-boot want just the bare bits, not an ELF binary |
275 | ext=bin | |
276 | objflags="-O binary" | |
277 | tmp="$ofile" | |
278 | ksection=image | |
279 | isection=initrd | |
280 | ;; | |
0fdd717e | 281 | cuboot*) |
11c146cc | 282 | binary=y |
f1e510bb | 283 | compression= |
25431333 | 284 | case "$platform" in |
8dd217b2 | 285 | *-mpc866ads|*-mpc885ads|*-adder875*|*-ep88xc) |
25431333 GL |
286 | platformo=$object/cuboot-8xx.o |
287 | ;; | |
288 | *5200*|*-motionpro) | |
289 | platformo=$object/cuboot-52xx.o | |
290 | ;; | |
291 | *-pq2fads|*-ep8248e|*-mpc8272*|*-storcenter) | |
292 | platformo=$object/cuboot-pq2.o | |
293 | ;; | |
294 | *-mpc824*) | |
295 | platformo=$object/cuboot-824x.o | |
296 | ;; | |
59d13f9d | 297 | *-mpc83*|*-asp834x*) |
25431333 GL |
298 | platformo=$object/cuboot-83xx.o |
299 | ;; | |
ff880112 | 300 | *-tqm8541|*-mpc8560*|*-tqm8560|*-tqm8555|*-ksi8560*) |
25431333 GL |
301 | platformo=$object/cuboot-85xx-cpm2.o |
302 | ;; | |
c12adb06 | 303 | *-mpc85*|*-tqm85*) |
25431333 GL |
304 | platformo=$object/cuboot-85xx.o |
305 | ;; | |
8f23735d GP |
306 | *-amigaone) |
307 | link_address='0x800000' | |
308 | ;; | |
25431333 | 309 | esac |
0fdd717e | 310 | ;; |
bafdb645 GL |
311 | ps3) |
312 | platformo="$object/ps3-head.o $object/ps3-hvcall.o $object/ps3.o" | |
313 | lds=$object/zImage.ps3.lds | |
f1e510bb | 314 | compression= |
bafdb645 GL |
315 | ext=bin |
316 | objflags="-O binary --set-section-flags=.bss=contents,alloc,load,data" | |
317 | ksection=.kernel:vmlinux.bin | |
318 | isection=.kernel:initrd | |
9b09c6d9 | 319 | link_address='' |
dfbc2d75 | 320 | make_space=n |
6975a783 | 321 | pie= |
bafdb645 | 322 | ;; |
a55387e5 | 323 | ep88xc|ep405|ep8248e) |
11c146cc SW |
324 | platformo="$object/fixed-head.o $object/$platform.o" |
325 | binary=y | |
326 | ;; | |
a55387e5 SW |
327 | adder875-redboot) |
328 | platformo="$object/fixed-head.o $object/redboot-8xx.o" | |
329 | binary=y | |
330 | ;; | |
1d46e379 | 331 | simpleboot-*) |
a7e1cf0c | 332 | platformo="$object/fixed-head.o $object/simpleboot.o" |
1d46e379 GL |
333 | binary=y |
334 | ;; | |
59d13f9d BD |
335 | asp834x-redboot) |
336 | platformo="$object/fixed-head.o $object/redboot-83xx.o" | |
337 | binary=y | |
338 | ;; | |
24760823 NC |
339 | xpedite52*) |
340 | link_address='0x1400000' | |
341 | platformo=$object/cuboot-85xx.o | |
342 | ;; | |
6cdd2417 | 343 | gamecube|wii) |
b68a24bc AH |
344 | link_address='0x600000' |
345 | platformo="$object/$platform-head.o $object/$platform.o" | |
346 | ;; | |
4a21192e JS |
347 | microwatt) |
348 | link_address='0x500000' | |
349 | platformo="$object/fixed-head.o $object/$platform.o" | |
350 | binary=y | |
351 | ;; | |
228d5505 TB |
352 | treeboot-currituck) |
353 | link_address='0x1000000' | |
354 | ;; | |
2a2c74b2 AP |
355 | treeboot-akebono) |
356 | link_address='0x1000000' | |
357 | ;; | |
b4e8c8dd TS |
358 | treeboot-iss4xx-mpic) |
359 | platformo="$object/treeboot-iss4xx.o" | |
360 | ;; | |
6c5b59b9 | 361 | epapr) |
90d1d44e | 362 | platformo="$object/pseries-head.o $object/epapr.o $object/epapr-wrapper.o" |
6c5b59b9 DG |
363 | link_address='0x20000000' |
364 | pie=-pie | |
4c078c86 | 365 | notext='-z notext' |
26ba9f96 | 366 | rodynamic=$(if ${CROSS}ld -V 2>&1 | grep -q LLD ; then echo "-z rodynamic"; fi) |
6c5b59b9 | 367 | ;; |
be201981 SC |
368 | mvme5100) |
369 | platformo="$object/fixed-head.o $object/mvme5100.o" | |
370 | binary=y | |
371 | ;; | |
97493e2e AIB |
372 | mvme7100) |
373 | platformo="$object/motload-head.o $object/mvme7100.o" | |
374 | link_address='0x4000000' | |
375 | binary=y | |
376 | ;; | |
2bf11819 PM |
377 | esac |
378 | ||
379 | vmz="$tmpdir/`basename \"$kernel\"`.$ext" | |
a9903811 | 380 | |
f1e510bb OH |
381 | # Calculate the vmlinux.strip size |
382 | ${CROSS}objcopy $objflags "$kernel" "$vmz.$$" | |
a670b0b4 | 383 | strip_size=$(${CONFIG_SHELL} "${srctree}/scripts/file-size.sh" "$vmz.$$") |
c55aef0e | 384 | |
f1e510bb OH |
385 | if [ -z "$cacheit" -o ! -f "$vmz$compression" -o "$vmz$compression" -ot "$kernel" ]; then |
386 | # recompress the image if we need to | |
387 | case $compression in | |
388 | .xz) | |
389 | xz --check=crc32 -f -6 "$vmz.$$" | |
390 | ;; | |
391 | .gz) | |
c4f56af0 | 392 | gzip -n -f -9 "$vmz.$$" |
f1e510bb | 393 | ;; |
1cc9a21b CL |
394 | .lzma) |
395 | xz --format=lzma -f -6 "$vmz.$$" | |
396 | ;; | |
264bffad CL |
397 | .lzo) |
398 | lzop -f -9 "$vmz.$$" | |
399 | ;; | |
f1e510bb OH |
400 | *) |
401 | # drop the compression suffix so the stripped vmlinux is used | |
402 | compression= | |
fbded57c | 403 | uboot_comp=none |
f1e510bb OH |
404 | ;; |
405 | esac | |
a9903811 | 406 | |
2bf11819 | 407 | if [ -n "$cacheit" ]; then |
f1e510bb | 408 | mv -f "$vmz.$$$compression" "$vmz$compression" |
2bf11819 PM |
409 | else |
410 | vmz="$vmz.$$" | |
411 | fi | |
c55aef0e | 412 | else |
c55aef0e SP |
413 | rm -f $vmz.$$ |
414 | fi | |
415 | ||
f1e510bb OH |
416 | vmz="$vmz$compression" |
417 | ||
dfbc2d75 SR |
418 | if [ "$make_space" = "y" ]; then |
419 | # Round the size to next higher MB limit | |
420 | round_size=$(((strip_size + 0xfffff) & 0xfff00000)) | |
c55aef0e | 421 | |
dfbc2d75 SR |
422 | round_size=0x$(printf "%x" $round_size) |
423 | link_addr=$(printf "%d" $link_address) | |
c55aef0e | 424 | |
dfbc2d75 SR |
425 | if [ $link_addr -lt $strip_size ]; then |
426 | echo "INFO: Uncompressed kernel (size 0x$(printf "%x\n" $strip_size))" \ | |
427 | "overlaps the address of the wrapper($link_address)" | |
428 | echo "INFO: Fixing the link_address of wrapper to ($round_size)" | |
429 | link_address=$round_size | |
430 | fi | |
2bf11819 PM |
431 | fi |
432 | ||
a6afacb6 DG |
433 | # Extract kernel version information, some platforms want to include |
434 | # it in the image header | |
435 | version=`${CROSS}strings "$kernel" | grep '^Linux version [-0-9.]' | \ | |
2df8220c | 436 | head -n1 | cut -d' ' -f3` |
a6afacb6 DG |
437 | if [ -n "$version" ]; then |
438 | uboot_version="-n Linux-$version" | |
439 | fi | |
0fdd717e | 440 | |
b18796d3 KG |
441 | # physical offset of kernel image |
442 | membase=`${CROSS}objdump -p "$kernel" | grep -m 1 LOAD | awk '{print $7}'` | |
443 | ||
0fdd717e SW |
444 | case "$platform" in |
445 | uboot) | |
446 | rm -f "$ofile" | |
fbded57c | 447 | ${MKIMAGE} -A ppc -O linux -T kernel -C $uboot_comp -a $membase -e $membase \ |
a6afacb6 | 448 | $uboot_version -d "$vmz" "$ofile" |
2bf11819 | 449 | if [ -z "$cacheit" ]; then |
a9903811 | 450 | rm -f "$vmz" |
2bf11819 PM |
451 | fi |
452 | exit 0 | |
453 | ;; | |
11eab297 BH |
454 | uboot-obs600) |
455 | rm -f "$ofile" | |
456 | # obs600 wants a multi image with an initrd, so we need to put a fake | |
457 | # one in even when building a "normal" image. | |
458 | if [ -n "$initrd" ]; then | |
459 | real_rd="$initrd" | |
460 | else | |
461 | real_rd=`mktemp` | |
462 | echo "\0" >>"$real_rd" | |
463 | fi | |
464 | ${MKIMAGE} -A ppc -O linux -T multi -C gzip -a $membase -e $membase \ | |
465 | $uboot_version -d "$vmz":"$real_rd":"$dtb" "$ofile" | |
466 | if [ -z "$initrd" ]; then | |
467 | rm -f "$real_rd" | |
468 | fi | |
469 | if [ -z "$cacheit" ]; then | |
470 | rm -f "$vmz" | |
471 | fi | |
472 | exit 0 | |
473 | ;; | |
2bf11819 PM |
474 | esac |
475 | ||
476 | addsec() { | |
477 | ${CROSS}objcopy $4 $1 \ | |
478 | --add-section=$3="$2" \ | |
479 | --set-section-flags=$3=contents,alloc,load,readonly,data | |
480 | } | |
481 | ||
a9903811 | 482 | addsec $tmp "$vmz" $ksection $object/empty.o |
2bf11819 | 483 | if [ -z "$cacheit" ]; then |
a9903811 | 484 | rm -f "$vmz" |
2bf11819 PM |
485 | fi |
486 | ||
487 | if [ -n "$initrd" ]; then | |
c888554b | 488 | addsec $tmp "$initrd" $isection |
2bf11819 PM |
489 | fi |
490 | ||
491 | if [ -n "$dtb" ]; then | |
c888554b | 492 | addsec $tmp "$dtb" .kernel:dtb |
e9c4b4bd MG |
493 | if [ -n "$dts" ]; then |
494 | rm $dtb | |
495 | fi | |
2bf11819 PM |
496 | fi |
497 | ||
528229d2 BH |
498 | if [ -n "$esm_blob" ]; then |
499 | addsec $tmp "$esm_blob" $esection | |
500 | fi | |
501 | ||
2bf11819 | 502 | if [ "$platform" != "miboot" ]; then |
9b09c6d9 | 503 | if [ -n "$link_address" ] ; then |
6975a783 | 504 | text_start="-Ttext $link_address" |
9b09c6d9 | 505 | fi |
f1e510bb | 506 | #link everything |
4c078c86 | 507 | ${CROSS}ld -m $format -T $lds $text_start $pie $nodl $rodynamic $notext -o "$ofile" $map \ |
cd197ffc | 508 | $platformo $tmp $object/wrapper.a |
2bf11819 PM |
509 | rm $tmp |
510 | fi | |
511 | ||
a6afacb6 DG |
512 | # Some platforms need the zImage's entry point and base address |
513 | base=0x`${CROSS}nm "$ofile" | grep ' _start$' | cut -d' ' -f1` | |
514 | entry=`${CROSS}objdump -f "$ofile" | grep '^start address ' | cut -d' ' -f3` | |
515 | ||
11c146cc SW |
516 | if [ -n "$binary" ]; then |
517 | mv "$ofile" "$ofile".elf | |
aeb4552f | 518 | ${CROSS}objcopy -O binary "$ofile".elf "$ofile" |
11c146cc SW |
519 | fi |
520 | ||
2bf11819 PM |
521 | # post-processing needed for some platforms |
522 | case "$platform" in | |
58706ef9 | 523 | pseries|chrp|maple) |
5663a123 | 524 | $objbin/addnote "$ofile" |
0dcd4401 | 525 | ;; |
627aa944 | 526 | coff) |
cd197ffc | 527 | ${CROSS}objcopy -O aixcoff-rs6000 --set-start "$entry" "$ofile" |
5c539ee3 | 528 | $objbin/hack-coff "$ofile" |
2bf11819 | 529 | ;; |
0fdd717e | 530 | cuboot*) |
c4f56af0 | 531 | gzip -n -f -9 "$ofile" |
3f884bf5 | 532 | ${MKIMAGE} -A ppc -O linux -T kernel -C gzip -a "$base" -e "$entry" \ |
aeb4552f | 533 | $uboot_version -d "$ofile".gz "$ofile" |
0fdd717e | 534 | ;; |
f6dfc805 DG |
535 | treeboot*) |
536 | mv "$ofile" "$ofile.elf" | |
5c539ee3 | 537 | $objbin/mktree "$ofile.elf" "$ofile" "$base" "$entry" |
f6dfc805 DG |
538 | if [ -z "$cacheit" ]; then |
539 | rm -f "$ofile.elf" | |
540 | fi | |
541 | exit 0 | |
542 | ;; | |
bafdb645 | 543 | ps3) |
5761eaa3 GL |
544 | # The ps3's loader supports loading a gzipped binary image from flash |
545 | # rom to ram addr zero. The loader then enters the system reset | |
546 | # vector at addr 0x100. A bootwrapper overlay is used to arrange for | |
547 | # a binary image of the kernel to be at addr zero, and yet have a | |
548 | # suitable bootwrapper entry at 0x100. To construct the final rom | |
549 | # image 512 bytes from offset 0x100 is copied to the bootwrapper | |
550 | # place holder at symbol __system_reset_kernel. The 512 bytes of the | |
551 | # bootwrapper entry code at symbol __system_reset_overlay is then | |
552 | # copied to offset 0x100. At runtime the bootwrapper program copies | |
553 | # the data at __system_reset_kernel back to addr 0x100. | |
bafdb645 | 554 | |
aeb4552f | 555 | system_reset_overlay=0x`${CROSS}nm "$ofile" \ |
bafdb645 GL |
556 | | grep ' __system_reset_overlay$' \ |
557 | | cut -d' ' -f1` | |
558 | system_reset_overlay=`printf "%d" $system_reset_overlay` | |
aeb4552f | 559 | system_reset_kernel=0x`${CROSS}nm "$ofile" \ |
bafdb645 GL |
560 | | grep ' __system_reset_kernel$' \ |
561 | | cut -d' ' -f1` | |
562 | system_reset_kernel=`printf "%d" $system_reset_kernel` | |
563 | overlay_dest="256" | |
5761eaa3 | 564 | overlay_size="512" |
bafdb645 | 565 | |
aeb4552f SW |
566 | ${CROSS}objcopy -O binary "$ofile" "$ofile.bin" |
567 | ||
879c26d4 GL |
568 | run_cmd dd if="$ofile.bin" of="$ofile.bin" conv=notrunc \ |
569 | skip=$overlay_dest seek=$system_reset_kernel \ | |
d4740373 | 570 | count=$overlay_size bs=1 |
bafdb645 | 571 | |
879c26d4 GL |
572 | run_cmd dd if="$ofile.bin" of="$ofile.bin" conv=notrunc \ |
573 | skip=$system_reset_overlay seek=$overlay_dest \ | |
d4740373 | 574 | count=$overlay_size bs=1 |
bafdb645 | 575 | |
928b9695 | 576 | odir="$(dirname "$ofile.bin")" |
aa3bc365 GL |
577 | |
578 | # The ps3's flash loader has a size limit of 16 MiB for the uncompressed | |
579 | # image. If a compressed image that exceeded this limit is written to | |
580 | # flash the loader will decompress that image until the 16 MiB limit is | |
581 | # reached, then enter the system reset vector of the partially decompressed | |
582 | # image. No warning is issued. | |
583 | rm -f "$odir"/{otheros,otheros-too-big}.bld | |
584 | size=$(${CROSS}nm --no-sort --radix=d "$ofile" | egrep ' _end$' | cut -d' ' -f1) | |
585 | bld="otheros.bld" | |
586 | if [ $size -gt $((0x1000000)) ]; then | |
587 | bld="otheros-too-big.bld" | |
588 | fi | |
589 | gzip -n --force -9 --stdout "$ofile.bin" > "$odir/$bld" | |
bafdb645 | 590 | ;; |
2bf11819 | 591 | esac |