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[rsbs2] / rsb-lz.c
1 #include <sys/stat.h>
2 #include <sys/types.h>
3 #include <limits.h>
4 #include <fcntl.h>
5 #include <stdio.h>
6 #include <stdlib.h>
7 #include <strings.h>
8 #include <string.h>
9 #include <unistd.h>
10 #include <errno.h>
11 #include <libgen.h>
12 #include "rsb-crc.h"
13 #include "rsb-lz.h"
14
15 /* TODO: IMPLEMET THIS! */
16 /* Probably very broken lzw implementation by Agilent:
17 *
18 * 59508: e3a00078 mov r0, #120 ; 0x78
19 * 5950c: ee010f10 mcr 15, 0, r0, cr1, cr0, {0}
20 * 59510: e3a00000 mov r0, #0 ; 0x0
21 * 59514: ee070f15 mcr 15, 0, r0, cr7, cr5, {0}
22 * 59518: ee070f16 mcr 15, 0, r0, cr7, cr6, {0}
23 * 5951c: ee020f30 mcr 15, 0, r0, cr2, cr0, {1}
24 * 59520: ee020f10 mcr 15, 0, r0, cr2, cr0, {0}
25 * 59524: ee030f10 mcr 15, 0, r0, cr3, cr0, {0}
26 * 59528: ee050f70 mcr 15, 0, r0, cr5, cr0, {3}
27 * 5952c: ee050f50 mcr 15, 0, r0, cr5, cr0, {2}
28 * 59530: ee050f30 mcr 15, 0, r0, cr5, cr0, {1}
29 * 59534: ee050f10 mcr 15, 0, r0, cr5, cr0, {0}
30 * 59538: e3a00016 mov r0, #22 ; 0x16
31 * 5953c: ee060f10 mcr 15, 0, r0, cr6, cr0, {0}
32 * 59540: ee060f11 mcr 15, 0, r0, cr6, cr1, {0}
33 * 59544: ee060f12 mcr 15, 0, r0, cr6, cr2, {0}
34 * 59548: ee060f13 mcr 15, 0, r0, cr6, cr3, {0}
35 * 5954c: ee060f14 mcr 15, 0, r0, cr6, cr4, {0}
36 * 59550: ee060f15 mcr 15, 0, r0, cr6, cr5, {0}
37 * 59554: ee060f16 mcr 15, 0, r0, cr6, cr6, {0}
38 * 59558: ee060f17 mcr 15, 0, r0, cr6, cr7, {0}
39 * 5955c: e1a0f00e mov r15, r14
40 * 59560: e3a01000 mov r1, #0 ; 0x0
41 * 59564: ee071f15 mcr 15, 0, r1, cr7, cr5, {0}
42 * 59568: ee071f16 mcr 15, 0, r1, cr7, cr6, {0}
43 * 5956c: e3800078 orr r0, r0, #120 ; 0x78
44 * 59570: ee010f10 mcr 15, 0, r0, cr1, cr0, {0}
45 * 59574: e1a0f00e mov r15, r14
46 * 59578: e92d00f0 push {r4, r5, r6, r7}
47 * 5957c: e3500007 cmp r0, #7 ; 0x7
48 * 59580: 8a00003c bhi 0x59678
49 * 59584: e3e04ef0 mvn r4, #3840 ; 0xf00
50 * 59588: e22440ff eor r4, r4, #255 ; 0xff
51 * 5958c: e1d14004 bics r4, r1, r4
52 * 59590: 1a000038 bne 0x59678
53 * 59594: e3a0403f mov r4, #63 ; 0x3f
54 * 59598: e1d24004 bics r4, r2, r4
55 * 5959c: 1a000035 bne 0x59678
56 * 595a0: e3a06001 mov r6, #1 ; 0x1
57 * 595a4: e1a04423 lsr r4, r3, #8
58 * 595a8: e2044001 and r4, r4, #1 ; 0x1
59 * 595ac: ee125f30 mrc 15, 0, r5, cr2, cr0, {1}
60 * 595b0: e1c55016 bic r5, r5, r6, lsl r0
61 * 595b4: e1855014 orr r5, r5, r4, lsl r0
62 * 595b8: ee025f30 mcr 15, 0, r5, cr2, cr0, {1}
63 * 595bc: e1a044a3 lsr r4, r3, #9
64 * 595c0: e2044001 and r4, r4, #1 ; 0x1
65 * 595c4: ee125f10 mrc 15, 0, r5, cr2, cr0, {0}
66 * 595c8: e1c55016 bic r5, r5, r6, lsl r0
67 * 595cc: e1855014 orr r5, r5, r4, lsl r0
68 * 595d0: ee025f10 mcr 15, 0, r5, cr2, cr0, {0}
69 * 595d4: e1a04523 lsr r4, r3, #10
70 * 595d8: e2044001 and r4, r4, #1 ; 0x1
71 * 595dc: ee135f10 mrc 15, 0, r5, cr3, cr0, {0}
72 * 595e0: e1c55016 bic r5, r5, r6, lsl r0
73 * 595e4: e1855014 orr r5, r5, r4, lsl r0
74 * 595e8: ee035f10 mcr 15, 0, r5, cr3, cr0, {0}
75 * 595ec: e3a0600f mov r6, #15 ; 0xf
76 * 595f0: e3a07004 mov r7, #4 ; 0x4
77 * 595f4: e0070790 mul r7, r0, r7
78 * 595f8: e0034006 and r4, r3, r6
79 * 595fc: ee155f70 mrc 15, 0, r5, cr5, cr0, {3}
80 * 59600: e1c55716 bic r5, r5, r6, lsl r7
81 * 59604: e1855714 orr r5, r5, r4, lsl r7
82 * 59608: ee055f70 mcr 15, 0, r5, cr5, cr0, {3}
83 * 5960c: e1a04223 lsr r4, r3, #4
84 * 59610: e0044006 and r4, r4, r6
85 * 59614: ee155f50 mrc 15, 0, r5, cr5, cr0, {2}
86 * 59618: e1c55716 bic r5, r5, r6, lsl r7
87 * 5961c: e1855714 orr r5, r5, r4, lsl r7
88 * 59620: ee055f50 mcr 15, 0, r5, cr5, cr0, {2}
89 * 59624: e1814002 orr r4, r1, r2
90 * 59628: e08ff180 add r15, r15, r0, lsl #3
91 * 5962c: e1a00000 nop (mov r0,r0)
92 * 59630: ee064f10 mcr 15, 0, r4, cr6, cr0, {0}
93 * 59634: ea00000c b 0x5966c
94 * 59638: ee064f11 mcr 15, 0, r4, cr6, cr1, {0}
95 * 5963c: ea00000a b 0x5966c
96 * 59640: ee064f12 mcr 15, 0, r4, cr6, cr2, {0}
97 * 59644: ea000008 b 0x5966c
98 * 59648: ee064f13 mcr 15, 0, r4, cr6, cr3, {0}
99 * 5964c: ea000006 b 0x5966c
100 * 59650: ee064f14 mcr 15, 0, r4, cr6, cr4, {0}
101 * 59654: ea000004 b 0x5966c
102 * 59658: ee064f15 mcr 15, 0, r4, cr6, cr5, {0}
103 * 5965c: ea000002 b 0x5966c
104 * 59660: ee064f16 mcr 15, 0, r4, cr6, cr6, {0}
105 * 59664: ea000000 b 0x5966c
106 * 59668: ee064f17 mcr 15, 0, r4, cr6, cr7, {0}
107 * 5966c: e3a00000 mov r0, #0 ; 0x0
108 * 59670: e8bd00f0 pop {r4, r5, r6, r7}
109 * 59674: e1a0f00e mov r15, r14
110 * 59678: e3e00000 mvn r0, #0 ; 0x0
111 * 5967c: e8bd00f0 pop {r4, r5, r6, r7}
112 * 59680: e1a0f00e mov r15, r14
113 * 59684: e92d43f8 push {r3, r4, r5, r6, r7, r8, r9, r14}
114 * 59688: eb000000 bl 0x59690
115 * 5968c: e8bd83f8 pop {r3, r4, r5, r6, r7, r8, r9, r15}
116 * 59690: e3a08001 mov r8, #1 ; 0x1
117 * 59694: e3a034c0 mov r3, #-1073741824 ; 0xc0000000
118 * 59698: e1500003 cmp r0, r3
119 * 5969c: da000022 ble 0x5972c
120 * 596a0: e3a03020 mov r3, #32 ; 0x20
121 * 596a4: e7b34000 ldr r4, [r3, r0]!
122 * 596a8: e3a08002 mov r8, #2 ; 0x2
123 * 596ac: e5935004 ldr r5, [r3, #4]
124 * 596b0: e1550002 cmp r5, r2
125 * 596b4: 1a00001c bne 0x5972c
126 * 596b8: e3a08003 mov r8, #3 ; 0x3
127 * 596bc: e1510004 cmp r1, r4
128 * 596c0: 23b05000 movscs r5, #0 ; 0x0
129 * 596c4: 33b05001 movscc r5, #1 ; 0x1
130 * 596c8: 1a000017 bne 0x5972c
131 * 596cc: e3a08004 mov r8, #4 ; 0x4
132 * 596d0: e1a03000 mov r3, r0
133 * 596d4: e0804004 add r4, r0, r4
134 * 596d8: e3e05000 mvn r5, #0 ; 0x0
135 * 596dc: e59f7050 ldr r7, [pc, #80] ; 0x59734
136 * 596e0: e1530004 cmp r3, r4
137 * 596e4: 2a00000c bcs 0x5971c
138 * 596e8: e3c39003 bic r9, r3, #3 ; 0x3
139 * 596ec: e5996000 ldr r6, [r9]
140 * 596f0: e2039003 and r9, r3, #3 ; 0x3
141 * 596f4: e1a09189 lsl r9, r9, #3
142 * 596f8: e1a06936 lsr r6, r6, r9
143 * 596fc: e0255c06 eor r5, r5, r6, lsl #24
144 * 59700: e3a06008 mov r6, #8 ; 0x8
145 * 59704: e1b05085 lsls r5, r5, #1
146 * 59708: 20255007 eorcs r5, r5, r7
147 * 5970c: e2566001 subs r6, r6, #1 ; 0x1
148 * 59710: 1afffffb bne 0x59704
149 * 59714: e2833001 add r3, r3, #1 ; 0x1
150 * 59718: eafffff0 b 0x596e0
151 * 5971c: e1e05005 mvn r5, r5
152 * 59720: e5943000 ldr r3, [r4]
153 * 59724: e0533005 subs r3, r3, r5
154 * 59728: 03a08000 moveq r8, #0 ; 0x0
155 * 5972c: e1a00008 mov r0, r8
156 * 59730: e1a0f00e mov r15, r14
157 * 59734: 04c11db7 strbeq r1, [r1], #3511
158 * 59738: e10f1000 mrs r1, CPSR
159 * 5973c: e3c12080 bic r2, r1, #128 ; 0x80
160 * 59740: e3500001 cmp r0, #1 ; 0x1
161 * 59744: 23822080 orrcs r2, r2, #128 ; 0x80
162 * 59748: e129f002 msr CPSR_fc, r2
163 * 5974c: e1b01c81 lsls r1, r1, #25
164 * 59750: e3a00000 mov r0, #0 ; 0x0
165 * 59754: 23a00001 movcs r0, #1 ; 0x1
166 * 59758: e1a0f00e mov r15, r14
167 * 5975c: e10f1000 mrs r1, CPSR
168 * 59760: e3a02001 mov r2, #1 ; 0x1
169 * 59764: e00203e1 and r0, r2, r1, ror #7
170 * 59768: e1a0f00e mov r15, r14
171 * 5976c: ee151f70 mrc 15, 0, r1, cr5, cr0, {3}
172 * 59770: e3a02001 mov r2, #1 ; 0x1
173 * 59774: e0020261 and r0, r2, r1, ror #4
174 * 59778: e1a0f00e mov r15, r14
175 * 5977c: e3a00000 mov r0, #0 ; 0x0
176 * 59780: ee070f16 mcr 15, 0, r0, cr7, cr6, {0}
177 * 59784: e1a0f00e mov r15, r14
178 * 59788: e92d0300 push {r8, r9}
179 * 5978c: e3a00001 mov r0, #1 ; 0x1
180 * 59790: e59f83bc ldr r8, [pc, #956] ; 0x59b54
181 * 59794: e5880000 str r0, [r8]
182 * 59798: e3a0000a mov r0, #10 ; 0xa
183 * 5979c: e59f83b4 ldr r8, [pc, #948] ; 0x59b58
184 * 597a0: e5880000 str r0, [r8]
185 * 597a4: e3a00004 mov r0, #4 ; 0x4
186 * 597a8: e59f83ac ldr r8, [pc, #940] ; 0x59b5c
187 * 597ac: e5880000 str r0, [r8]
188 * 597b0: e59f93a8 ldr r9, [pc, #936] ; 0x59b60
189 * 597b4: e5990000 ldr r0, [r9]
190 * 597b8: e3800001 orr r0, r0, #1 ; 0x1
191 * 597bc: e59f839c ldr r8, [pc, #924] ; 0x59b60
192 * 597c0: e5880000 str r0, [r8]
193 * 597c4: eafffffe b 0x597c4
194 * 597c8: e92d4370 push {r4, r5, r6, r8, r9, r14}
195 * 597cc: e1a06000 mov r6, r0
196 * 597d0: e3a05000 mov r5, #0 ; 0x0
197 * 597d4: e5960000 ldr r0, [r6]
198 * 597d8: e5961004 ldr r1, [r6, #4]
199 * 597dc: e1500001 cmp r0, r1
200 * 597e0: 2a000006 bcs 0x59800
201 * 597e4: e5960000 ldr r0, [r6]
202 * 597e8: e5d05000 ldrb r5, [r0]
203 * 597ec: e5960000 ldr r0, [r6]
204 * 597f0: e2800001 add r0, r0, #1 ; 0x1
205 * 597f4: e5860000 str r0, [r6]
206 * 597f8: e1a00005 mov r0, r5
207 * 597fc: ea000001 b 0x59808
208 * 59800: ebffffe0 bl 0x59788
209 * 59804: e1a00005 mov r0, r5
210 * 59808: e8bd8370 pop {r4, r5, r6, r8, r9, r15}
211 * 5980c: e92d43f0 push {r4, r5, r6, r7, r8, r9, r14}
212 * 59810: e1a07000 mov r7, r0
213 * 59814: e1a06001 mov r6, r1
214 * 59818: e5961000 ldr r1, [r6]
215 * 5981c: e5962004 ldr r2, [r6, #4]
216 * 59820: e1510002 cmp r1, r2
217 * 59824: 2a000005 bcs 0x59840
218 * 59828: e5961000 ldr r1, [r6]
219 * 5982c: e5c17000 strb r7, [r1]
220 * 59830: e5961000 ldr r1, [r6]
221 * 59834: e2811001 add r1, r1, #1 ; 0x1
222 * 59838: e5861000 str r1, [r6]
223 * 5983c: ea000000 b 0x59844
224 * 59840: ebffffd0 bl 0x59788
225 * 59844: e8bd83f0 pop {r4, r5, r6, r7, r8, r9, r15}
226 * 59848: e92d4370 push {r4, r5, r6, r8, r9, r14}
227 * 5984c: e1a06000 mov r6, r0
228 * 59850: e5d61008 ldrb r1, [r6, #8]
229 * 59854: e3510080 cmp r1, #128 ; 0x80
230 * 59858: 1a000002 bne 0x59868
231 * 5985c: e1a00006 mov r0, r6
232 * 59860: ebffffd8 bl 0x597c8
233 * 59864: e5c60009 strb r0, [r6, #9]
234 * 59868: e5d61008 ldrb r1, [r6, #8]
235 * 5986c: e5d62009 ldrb r2, [r6, #9]
236 * 59870: e0011002 and r1, r1, r2
237 * 59874: e20110ff and r1, r1, #255 ; 0xff
238 * 59878: e1a05001 mov r5, r1
239 * 5987c: e5d61008 ldrb r1, [r6, #8]
240 * 59880: e1a010a1 lsr r1, r1, #1
241 * 59884: e5c61008 strb r1, [r6, #8]
242 * 59888: e5d61008 ldrb r1, [r6, #8]
243 * 5988c: e3510000 cmp r1, #0 ; 0x0
244 * 59890: 1a000001 bne 0x5989c
245 * 59894: e3a01080 mov r1, #128 ; 0x80
246 * 59898: e5c61008 strb r1, [r6, #8]
247 * 5989c: e3550000 cmp r5, #0 ; 0x0
248 * 598a0: 0a000001 beq 0x598ac
249 * 598a4: e3a00001 mov r0, #1 ; 0x1
250 * 598a8: ea000000 b 0x598b0
251 * 598ac: e3a00000 mov r0, #0 ; 0x0
252 * 598b0: e8bd8370 pop {r4, r5, r6, r8, r9, r15}
253 * 598b4: e92d4ff0 push {r4, r5, r6, r7, r8, r9, r10, r11, r14}
254 * 598b8: e1a0b000 mov r11, r0
255 * 598bc: e1a0a001 mov r10, r1
256 * 598c0: e24a1001 sub r1, r10, #1 ; 0x1
257 * 598c4: e3a02001 mov r2, #1 ; 0x1
258 * 598c8: e1a06112 lsl r6, r2, r1
259 * 598cc: e3a07000 mov r7, #0 ; 0x0
260 * 598d0: ea000015 b 0x5992c
261 * 598d4: e5db1008 ldrb r1, [r11, #8]
262 * 598d8: e3510080 cmp r1, #128 ; 0x80
263 * 598dc: 1a000003 bne 0x598f0
264 * 598e0: e1a0000b mov r0, r11
265 * 598e4: ebffffb7 bl 0x597c8
266 * 598e8: e1a01000 mov r1, r0
267 * 598ec: e5cb1009 strb r1, [r11, #9]
268 * 598f0: e5db1008 ldrb r1, [r11, #8]
269 * 598f4: e5db2009 ldrb r2, [r11, #9]
270 * 598f8: e0011002 and r1, r1, r2
271 * 598fc: e3510000 cmp r1, #0 ; 0x0
272 * 59900: 0a000000 beq 0x59908
273 * 59904: e1877006 orr r7, r7, r6
274 * 59908: e1a060a6 lsr r6, r6, #1
275 * 5990c: e5db2008 ldrb r2, [r11, #8]
276 * 59910: e1a020a2 lsr r2, r2, #1
277 * 59914: e5cb2008 strb r2, [r11, #8]
278 * 59918: e5db1008 ldrb r1, [r11, #8]
279 * 5991c: e3510000 cmp r1, #0 ; 0x0
280 * 59920: 1a000001 bne 0x5992c
281 * 59924: e3a01080 mov r1, #128 ; 0x80
282 * 59928: e5cb1008 strb r1, [r11, #8]
283 * 5992c: e3560000 cmp r6, #0 ; 0x0
284 * 59930: 1affffe7 bne 0x598d4
285 * 59934: e1a00007 mov r0, r7
286 * 59938: e8bd8ff0 pop {r4, r5, r6, r7, r8, r9, r10, r11, r15}
287 * 5993c: e92d4ff0 push {r4, r5, r6, r7, r8, r9, r10, r11, r14}
288 * 59940: e24dd004 sub r13, r13, #4 ; 0x4
289 * 59944: e1a0a000 mov r10, r0
290 * 59948: e58d1000 str r1, [r13]
291 * 5994c: e3a05001 mov r5, #1 ; 0x1
292 * 59950: e1a0000a mov r0, r10
293 * 59954: ebffffbb bl 0x59848
294 * 59958: e1a02000 mov r2, r0
295 * 5995c: e3520000 cmp r2, #0 ; 0x0
296 * 59960: 0a00000f beq 0x599a4
297 * 59964: e1a0000a mov r0, r10
298 * 59968: e3a01008 mov r1, #8 ; 0x8
299 * 5996c: ebffffd0 bl 0x598b4
300 * 59970: e20020ff and r2, r0, #255 ; 0xff
301 * 59974: e1a04002 mov r4, r2
302 * 59978: e59d1000 ldr r1, [r13]
303 * 5997c: e1a00004 mov r0, r4
304 * 59980: ebffffa1 bl 0x5980c
305 * 59984: e59f21d8 ldr r2, [pc, #472] ; 0x59b64
306 * 59988: e0852002 add r2, r5, r2
307 * 5998c: e5c24000 strb r4, [r2]
308 * 59990: e2852001 add r2, r5, #1 ; 0x1
309 * 59994: e1a02b02 lsl r2, r2, #22
310 * 59998: e1a02b22 lsr r2, r2, #22
311 * 5999c: e1a05002 mov r5, r2
312 * 599a0: eaffffea b 0x59950
313 * 599a4: e1a0000a mov r0, r10
314 * 599a8: e3a0100a mov r1, #10 ; 0xa
315 * 599ac: ebffffc0 bl 0x598b4
316 * 599b0: e1a02000 mov r2, r0
317 * 599b4: e1a0b002 mov r11, r2
318 * 599b8: e35b0000 cmp r11, #0 ; 0x0
319 * 599bc: 0a00001b beq 0x59a30
320 * 599c0: e1a0000a mov r0, r10
321 * 599c4: e3a01004 mov r1, #4 ; 0x4
322 * 599c8: ebffffb9 bl 0x598b4
323 * 599cc: e1a02000 mov r2, r0
324 * 599d0: e1a07002 mov r7, r2
325 * 599d4: e2877001 add r7, r7, #1 ; 0x1
326 * 599d8: e3a06000 mov r6, #0 ; 0x0
327 * 599dc: ea000010 b 0x59a24
328 * 599e0: e086200b add r2, r6, r11
329 * 599e4: e1a02b02 lsl r2, r2, #22
330 * 599e8: e1a02b22 lsr r2, r2, #22
331 * 599ec: e59f3170 ldr r3, [pc, #368] ; 0x59b64
332 * 599f0: e0822003 add r2, r2, r3
333 * 599f4: e5d24000 ldrb r4, [r2]
334 * 599f8: e59d1000 ldr r1, [r13]
335 * 599fc: e1a00004 mov r0, r4
336 * 59a00: ebffff81 bl 0x5980c
337 * 59a04: e59f2158 ldr r2, [pc, #344] ; 0x59b64
338 * 59a08: e0852002 add r2, r5, r2
339 * 59a0c: e5c24000 strb r4, [r2]
340 * 59a10: e2852001 add r2, r5, #1 ; 0x1
341 * 59a14: e1a02b02 lsl r2, r2, #22
342 * 59a18: e1a02b22 lsr r2, r2, #22
343 * 59a1c: e1a05002 mov r5, r2
344 * 59a20: e2866001 add r6, r6, #1 ; 0x1
345 * 59a24: e1560007 cmp r6, r7
346 * 59a28: daffffec ble 0x599e0
347 * 59a2c: eaffffc7 b 0x59950
348 * 59a30: e28dd004 add r13, r13, #4 ; 0x4
349 * 59a34: e8bd8ff0 pop {r4, r5, r6, r7, r8, r9, r10, r11, r15}
350 * 59a38: e92d4ff0 push {r4, r5, r6, r7, r8, r9, r10, r11, r14}
351 * 59a3c: e1a07000 mov r7, r0
352 * 59a40: e1a0a001 mov r10, r1
353 * 59a44: e1a0b002 mov r11, r2
354 * 59a48: ebfffeae bl 0x59508
355 * 59a4c: e3a03033 mov r3, #51 ; 0x33
356 * 59a50: e3a0203f mov r2, #63 ; 0x3f
357 * 59a54: e3a01000 mov r1, #0 ; 0x0
358 * 59a58: e3a00000 mov r0, #0 ; 0x0
359 * 59a5c: ebfffec5 bl 0x59578
360 * 59a60: e59f3100 ldr r3, [pc, #256] ; 0x59b68
361 * 59a64: e3a02033 mov r2, #51 ; 0x33
362 * 59a68: e3a01540 mov r1, #268435456 ; 0x10000000
363 * 59a6c: e3a00004 mov r0, #4 ; 0x4
364 * 59a70: ebfffec0 bl 0x59578
365 * 59a74: e59f30f0 ldr r3, [pc, #240] ; 0x59b6c
366 * 59a78: e3a0201b mov r2, #27 ; 0x1b
367 * 59a7c: e3a01550 mov r1, #335544320 ; 0x14000000
368 * 59a80: e3a00005 mov r0, #5 ; 0x5
369 * 59a84: ebfffebb bl 0x59578
370 * 59a88: e3a03033 mov r3, #51 ; 0x33
371 * 59a8c: e3a0203b mov r2, #59 ; 0x3b
372 * 59a90: e3a014c0 mov r1, #-1073741824 ; 0xc0000000
373 * 59a94: e3a00007 mov r0, #7 ; 0x7
374 * 59a98: ebfffeb6 bl 0x59578
375 * 59a9c: e59f00cc ldr r0, [pc, #204] ; 0x59b70
376 * 59aa0: ebfffeae bl 0x59560
377 * 59aa4: e59b5000 ldr r5, [r11]
378 * 59aa8: e59f20c4 ldr r2, [pc, #196] ; 0x59b74
379 * 59aac: e1550002 cmp r5, r2
380 * 59ab0: 0a000000 beq 0x59ab8
381 * 59ab4: ebffff33 bl 0x59788
382 * 59ab8: e28b3004 add r3, r11, #4 ; 0x4
383 * 59abc: e5935000 ldr r5, [r3]
384 * 59ac0: e0853007 add r3, r5, r7
385 * 59ac4: e153000a cmp r3, r10
386 * 59ac8: 3a000000 bcc 0x59ad0
387 * 59acc: ebffff2d bl 0x59788
388 * 59ad0: e28b2008 add r2, r11, #8 ; 0x8
389 * 59ad4: e59f809c ldr r8, [pc, #156] ; 0x59b78
390 * 59ad8: e5882000 str r2, [r8]
391 * 59adc: e085200b add r2, r5, r11
392 * 59ae0: e59f8090 ldr r8, [pc, #144] ; 0x59b78
393 * 59ae4: e5882004 str r2, [r8, #4]
394 * 59ae8: e3a02000 mov r2, #0 ; 0x0
395 * 59aec: e59f8084 ldr r8, [pc, #132] ; 0x59b78
396 * 59af0: e5c82009 strb r2, [r8, #9]
397 * 59af4: e3a02080 mov r2, #128 ; 0x80
398 * 59af8: e59f8078 ldr r8, [pc, #120] ; 0x59b78
399 * 59afc: e5c82008 strb r2, [r8, #8]
400 * 59b00: e59f8074 ldr r8, [pc, #116] ; 0x59b7c
401 * 59b04: e5887000 str r7, [r8]
402 * 59b08: e0853007 add r3, r5, r7
403 * 59b0c: e59f8068 ldr r8, [pc, #104] ; 0x59b7c
404 * 59b10: e5883004 str r3, [r8, #4]
405 * 59b14: e59f1060 ldr r1, [pc, #96] ; 0x59b7c
406 * 59b18: e59f0058 ldr r0, [pc, #88] ; 0x59b78
407 * 59b1c: ebffff86 bl 0x5993c
408 * 59b20: e2873020 add r3, r7, #32 ; 0x20
409 * 59b24: e5935000 ldr r5, [r3]
410 * 59b28: e59f2050 ldr r2, [pc, #80] ; 0x59b80
411 * 59b2c: e1a01005 mov r1, r5
412 * 59b30: e1a00007 mov r0, r7
413 * 59b34: ebfffed2 bl 0x59684
414 * 59b38: e1a01000 mov r1, r0
415 * 59b3c: e1a04001 mov r4, r1
416 * 59b40: e3540000 cmp r4, #0 ; 0x0
417 * 59b44: 0a000000 beq 0x59b4c
418 * 59b48: ebffff0e bl 0x59788
419 * 59b4c: ebfffe6d bl 0x59508
420 * 59b50: e8bd8ff0 pop {r4, r5, r6, r7, r8, r9, r10, r11, r15}
421 * 59b54: c00b003c andgt r0, r11, r12, lsr r0
422 * 59b58: c00b0038 andgt r0, r11, r8, lsr r0
423 * 59b5c: c00b0034 andgt r0, r11, r4, lsr r0
424 * 59b60: c00b0030 andgt r0, r11, r0, lsr r0
425 * 59b64: 14000418 strne r0, [r0], #-1048
426 * 59b68: 00000366 andeq r0, r0, r6, ror #6
427 * 59b6c: 00000733 andeq r0, r0, r3, lsr r7
428 * 59b70: 00001005 andeq r1, r0, r5
429 * 59b74: 6110beef tstvs r0, r15, ror #29 <- LZW Header...
430 * 59b78: 14000404 strne r0, [r0], #-1028
431 * 59b7c: 14000410 strne r0, [r0], #-1040
432 * 59b80: 46335053 undefined
433 */
434
435 void fn_59788(const char *fname)
436 {
437 fprintf(stderr,"%s: error extracting...\n", fname);
438 exit(1);
439 }
440
441 struct s_59b78 {
442 unsigned char *start; /* 0 */
443 unsigned char *stop; /* 4 */
444 unsigned char y; /* 8 */
445 unsigned char x; /* 9 */
446 };
447
448 unsigned char fn_597c8(struct s_59b78 *r6_data)
449 {
450 unsigned char *r0;
451 unsigned char *r1;
452 unsigned char r5;
453
454 r5 = 0;
455
456 r0 = r6_data->start;
457 r1 = r6_data->stop;
458
459 if (r1 < r0)
460 fn_59788(__func__);
461
462 r5 = *r0;
463 r0++;
464 r6_data->start = r0;
465
466 return r5;
467 }
468
469 unsigned int fn_59848(struct s_59b78 *r6_data)
470 {
471 unsigned char r1;
472 unsigned char r2;
473 unsigned int r5;
474
475 r1 = r6_data->y;
476 if (r1 == 0x80) {
477 r6_data->x = fn_597c8(r6_data);
478 }
479 r1 = r6_data->y;
480 r2 = r6_data->x;
481 r1 = r1 & r2;
482 r5 = r1 & 0xff;
483
484 r1 = r6_data->y;
485 r1 = r1 >> 1;
486 r6_data->y = r1;
487 if (r1 == 0) {
488 r1 = 0x80;
489 r6_data->y = r1;
490 }
491
492 if (r5 == 0)
493 return 0;
494
495 return 1;
496 }
497
498 unsigned int fn_598b4(struct s_59b78 *r11_data, unsigned int r10_arg2)
499 {
500 unsigned int r1;
501 unsigned int r2;
502 unsigned int r6;
503 unsigned int r7;
504
505 r1 = r10_arg2 - 1;
506 r6 = 1 << r1;
507
508 r7 = 0;
509 while (r6 != 0) {
510 r1 = r11_data->y;
511 if (r1 == 0x80) {
512 r1 = fn_597c8(r11_data);
513 r11_data->x = r1;
514 }
515 r1 = r11_data->y;
516 r2 = r11_data->x;
517 r1 = r1 & r2;
518 if (r1 != 0)
519 r7 = r7 | r6;
520
521 r6 = r6 >> 1;
522
523 r2 = r11_data->y;
524 r2 = r2 >> 1;
525 r11_data->y = r2;
526
527 r1 = r11_data->y;
528 if(r1 == 0) {
529 r11_data->y = 0x80;
530 }
531 }
532
533 return r7;
534 }
535
536 void fn_5980c(unsigned int arg1, unsigned int mem[])
537 {
538 unsigned char *r1;
539 unsigned char *r2;
540
541 r1 = (unsigned char*)mem[0];
542 r2 = (unsigned char*)mem[1];
543
544 if (r1 > r2) {
545 printf("r1: 0x%08x, r2: 0x%08x\n", (unsigned int)r1, (unsigned int)r2);
546 fn_59788(__func__);
547 }
548
549 *r1 = arg1 & 0xff;
550
551 r1++;
552 mem[0] = (unsigned int)r1;
553 }
554
555 void fn_5993c(struct s_59b78 *r10_data, unsigned int r13_mem[])
556 {
557 unsigned int r5;
558 unsigned int r2;
559 unsigned char r4;
560 unsigned int r6;
561 unsigned int r7;
562 unsigned int r11;
563 unsigned char arr_59b64[2048];
564
565 r5 = 1;
566
567 while (1) {
568 while (1) {
569 r2 = fn_59848(r10_data);
570 if (r2 == 0)
571 break;
572
573 r2 = fn_598b4(r10_data, 8) & 0xff;
574 r4 = r2;
575
576 fn_5980c(r4, r13_mem);
577 arr_59b64[r5] = r4 & 0xff;
578 r2 = r5 + 1;
579 r2 = r2 << 22;
580 r2 = r2 >> 22;
581 r5 = r2;
582 }
583
584 r11 = fn_598b4(r10_data, 0x0a);
585 if(r11 == 0)
586 return;
587
588 r2 = fn_598b4(r10_data, 0x04);
589 r7 = r2 + 1;
590 r6 = 0;
591 while (r6 <= r7) {
592 r2 = r6 + r11;
593 r2 = r2 << 22;
594 r2 = r2 >> 22;
595 r4 = arr_59b64[r2];
596 fn_5980c(r4, r13_mem);
597 arr_59b64[r5] = r4;
598 r2 = r5 + 1;
599 r2 = r2 << 22;
600 r2 = r2 >> 22;
601 r5 = r2;
602 r6++;
603 }
604 }
605 }
606
607 unsigned int crc_check_59684(unsigned char *arg1, unsigned int arg2, unsigned int magic)
608 {
609 unsigned int r3;
610 unsigned int r4;
611 unsigned int r5;
612
613 #if 0
614 if (r0 < 0xc0000000)
615 return 1;
616 #endif
617
618 /* ??? */
619 r4 = *((unsigned int*)arg1 + 0x20);
620 r5 = *((unsigned int*)arg1 + 0x24);
621
622 printf("magic: 0x%08x <-> 0x%08x\n", r5, magic);
623 if (r5 != magic)
624 return 2;
625
626 if (arg2 >= r4)
627 r5 = 0;
628 else
629 return 3;
630
631 r5 = ~rsb_crc(~0x00, arg1, r4);
632 r3 = *((unsigned int*)(arg1 + r4));
633 printf("Checksums: 0x%02x <-> 0x%02x\n", r5, r3);
634
635 if (r3 == r5)
636 return 0;
637
638 return 4;
639 }
640
641 void mkdir_p(char *dir)
642 {
643 char *copy, *parent;
644
645 if ((dir == NULL) || (!strcmp(dir, ".")))
646 return;
647
648 if ((copy = strdup(dir)) == NULL) {
649 perror("strdup");
650 exit(1);
651 }
652 parent = dirname(copy);
653 mkdir_p(parent);
654
655 errno = 0;
656 if (mkdir(dir, 0755) == -1) {
657 if (errno != EEXIST) {
658 fprintf(stderr, "%s: ", dir);
659 perror("mkdir");
660 exit(1);
661 }
662 }
663 free(copy);
664 }
665
666 void write_file(char *fname, unsigned char *buf, int len)
667 {
668 char filename[PATH_MAX];
669 char *filename_c, *dirn;
670 int fd;
671 int remaining;
672 int ret;
673
674 strcpy(filename, "extracted/");
675 strcat(filename, fname);
676
677 if ((filename_c = strdup(filename)) == NULL) {
678 perror("strdup");
679 exit(1);
680 }
681 dirn = dirname(filename_c);
682 mkdir_p(dirn);
683 free(filename_c);
684
685 if ((fd = open(filename, O_WRONLY|O_CREAT, 0644)) == -1) {
686 fprintf(stderr, "%s: ", filename);
687 perror("open");
688 exit(1);
689 }
690
691 remaining = len;
692
693 while(remaining) {
694 ret = write(fd, buf + (len - remaining), remaining);
695 if (ret < 0) {
696 perror("write");
697 exit(1);
698 }
699 remaining -= ret;
700 }
701
702 printf(", %s written.\n", filename);
703
704 close(fd);
705 }
706
707 void extract_lz_file(unsigned char *buf, unsigned char *name)
708 {
709 unsigned char *r3;
710 unsigned int r5;
711 unsigned char *r7 = NULL; /* Arg1, mem start */
712 unsigned char *r10 = NULL; /* Arg2, mem end */
713 unsigned char *r11 = buf; /* Arg3 */
714 struct s_59b78 struct1;
715 unsigned int arr_59b7c[1024];
716
717 if (*((unsigned int*)r11) != LZ_MAGIC)
718 fn_59788(__func__);
719
720 r3 = r11 + 4;
721 r5 = *((unsigned int*)r3);
722 printf(", length: %d", r5);
723
724 if ((r7 = malloc(r5)) == NULL) {
725 perror("malloc");
726 exit(1);
727 }
728 r10 = r7 + r5;
729 bzero(r7, r5);
730
731 r3 = r7 + r5;
732 if (r3 > r10)
733 fn_59788(__func__);
734
735 struct1.start = r11 + 8;
736 struct1.stop = r5 + r11;
737 struct1.x = 0;
738 struct1.y = 0x80;
739
740 arr_59b7c[0] = (unsigned int)r7;
741 arr_59b7c[1] = (unsigned int)(r5 + r7);
742
743 fn_5993c(&struct1, arr_59b7c);
744
745 #if 0
746 /* This seems to still be completely broken */
747 r3 = r7 + 0x20;
748 r5 = *((unsigned int*)r3);
749
750 if ((ret = crc_check_59684(r7, r5, 0x46335053)) != 0) {
751 printf("crc_check return: %d\n", ret);
752 fn_59788(__func__);
753 }
754 #endif
755
756 write_file((char*)name, r7, r5);
757
758 free(r7);
759 }
760
761 void search_lz_sections(unsigned char *fw, int len)
762 {
763 int i;
764 unsigned char *j;
765
766 for(i = 0; i < len - 4; i++) {
767 if (*((unsigned int*)(fw+i)) == LZ_MAGIC) {
768 j = fw + i - 1;
769 printf("0x%02x: ", i);
770 j--;
771 while (j > fw) {
772 if (!strncmp("SP3", (char*)j, 3)) {
773 unsigned char fname[5];
774
775 bzero(fname, sizeof(fname));
776 memcpy(fname, j, 4);
777 printf("Firmware found: %s", fname);
778 extract_lz_file(fw + i, fname);
779 break;
780 }
781 if (*j == 0x00) {
782 if ((*(j+1) != '/')) {
783 printf("ignoring...\n");
784 break;
785 }
786 printf("%s", j+1);
787 extract_lz_file(fw + i, j+1);
788 break;
789 }
790 j--;
791 }
792 }
793 }
794 }
CLI utilities for Fujitsu Siemens RSB S2 remote management boards
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