X-Git-Url: https://git.zerfleddert.de/cgi-bin/gitweb.cgi/rsbs2/blobdiff_plain/650ebf3b096355d69644d60d9d8da84d947dd3a4..2363a0d6a8cf44f7288e0795ff29e081ecf3a08f:/rsb-lz.c?ds=inline diff --git a/rsb-lz.c b/rsb-lz.c index b0129b5..c90f5df 100644 --- a/rsb-lz.c +++ b/rsb-lz.c @@ -1,6 +1,348 @@ +#include +#include +#include +#include +#include +#include +#include "rsb-crc.h" +#include "rsb-lz.h" +#include "filesystem.h" + /* TODO: IMPLEMET THIS! */ /* Probably very broken lzw implementation by Agilent: * + * 59508: e3a00078 mov r0, #120 ; 0x78 + * 5950c: ee010f10 mcr 15, 0, r0, cr1, cr0, {0} + * 59510: e3a00000 mov r0, #0 ; 0x0 + * 59514: ee070f15 mcr 15, 0, r0, cr7, cr5, {0} + * 59518: ee070f16 mcr 15, 0, r0, cr7, cr6, {0} + * 5951c: ee020f30 mcr 15, 0, r0, cr2, cr0, {1} + * 59520: ee020f10 mcr 15, 0, r0, cr2, cr0, {0} + * 59524: ee030f10 mcr 15, 0, r0, cr3, cr0, {0} + * 59528: ee050f70 mcr 15, 0, r0, cr5, cr0, {3} + * 5952c: ee050f50 mcr 15, 0, r0, cr5, cr0, {2} + * 59530: ee050f30 mcr 15, 0, r0, cr5, cr0, {1} + * 59534: ee050f10 mcr 15, 0, r0, cr5, cr0, {0} + * 59538: e3a00016 mov r0, #22 ; 0x16 + * 5953c: ee060f10 mcr 15, 0, r0, cr6, cr0, {0} + * 59540: ee060f11 mcr 15, 0, r0, cr6, cr1, {0} + * 59544: ee060f12 mcr 15, 0, r0, cr6, cr2, {0} + * 59548: ee060f13 mcr 15, 0, r0, cr6, cr3, {0} + * 5954c: ee060f14 mcr 15, 0, r0, cr6, cr4, {0} + * 59550: ee060f15 mcr 15, 0, r0, cr6, cr5, {0} + * 59554: ee060f16 mcr 15, 0, r0, cr6, cr6, {0} + * 59558: ee060f17 mcr 15, 0, r0, cr6, cr7, {0} + * 5955c: e1a0f00e mov r15, r14 + * 59560: e3a01000 mov r1, #0 ; 0x0 + * 59564: ee071f15 mcr 15, 0, r1, cr7, cr5, {0} + * 59568: ee071f16 mcr 15, 0, r1, cr7, cr6, {0} + * 5956c: e3800078 orr r0, r0, #120 ; 0x78 + * 59570: ee010f10 mcr 15, 0, r0, cr1, cr0, {0} + * 59574: e1a0f00e mov r15, r14 + * 59578: e92d00f0 push {r4, r5, r6, r7} + * 5957c: e3500007 cmp r0, #7 ; 0x7 + * 59580: 8a00003c bhi 0x59678 + * 59584: e3e04ef0 mvn r4, #3840 ; 0xf00 + * 59588: e22440ff eor r4, r4, #255 ; 0xff + * 5958c: e1d14004 bics r4, r1, r4 + * 59590: 1a000038 bne 0x59678 + * 59594: e3a0403f mov r4, #63 ; 0x3f + * 59598: e1d24004 bics r4, r2, r4 + * 5959c: 1a000035 bne 0x59678 + * 595a0: e3a06001 mov r6, #1 ; 0x1 + * 595a4: e1a04423 lsr r4, r3, #8 + * 595a8: e2044001 and r4, r4, #1 ; 0x1 + * 595ac: ee125f30 mrc 15, 0, r5, cr2, cr0, {1} + * 595b0: e1c55016 bic r5, r5, r6, lsl r0 + * 595b4: e1855014 orr r5, r5, r4, lsl r0 + * 595b8: ee025f30 mcr 15, 0, r5, cr2, cr0, {1} + * 595bc: e1a044a3 lsr r4, r3, #9 + * 595c0: e2044001 and r4, r4, #1 ; 0x1 + * 595c4: ee125f10 mrc 15, 0, r5, cr2, cr0, {0} + * 595c8: e1c55016 bic r5, r5, r6, lsl r0 + * 595cc: e1855014 orr r5, r5, r4, lsl r0 + * 595d0: ee025f10 mcr 15, 0, r5, cr2, cr0, {0} + * 595d4: e1a04523 lsr r4, r3, #10 + * 595d8: e2044001 and r4, r4, #1 ; 0x1 + * 595dc: ee135f10 mrc 15, 0, r5, cr3, cr0, {0} + * 595e0: e1c55016 bic r5, r5, r6, lsl r0 + * 595e4: e1855014 orr r5, r5, r4, lsl r0 + * 595e8: ee035f10 mcr 15, 0, r5, cr3, cr0, {0} + * 595ec: e3a0600f mov r6, #15 ; 0xf + * 595f0: e3a07004 mov r7, #4 ; 0x4 + * 595f4: e0070790 mul r7, r0, r7 + * 595f8: e0034006 and r4, r3, r6 + * 595fc: ee155f70 mrc 15, 0, r5, cr5, cr0, {3} + * 59600: e1c55716 bic r5, r5, r6, lsl r7 + * 59604: e1855714 orr r5, r5, r4, lsl r7 + * 59608: ee055f70 mcr 15, 0, r5, cr5, cr0, {3} + * 5960c: e1a04223 lsr r4, r3, #4 + * 59610: e0044006 and r4, r4, r6 + * 59614: ee155f50 mrc 15, 0, r5, cr5, cr0, {2} + * 59618: e1c55716 bic r5, r5, r6, lsl r7 + * 5961c: e1855714 orr r5, r5, r4, lsl r7 + * 59620: ee055f50 mcr 15, 0, r5, cr5, cr0, {2} + * 59624: e1814002 orr r4, r1, r2 + * 59628: e08ff180 add r15, r15, r0, lsl #3 + * 5962c: e1a00000 nop (mov r0,r0) + * 59630: ee064f10 mcr 15, 0, r4, cr6, cr0, {0} + * 59634: ea00000c b 0x5966c + * 59638: ee064f11 mcr 15, 0, r4, cr6, cr1, {0} + * 5963c: ea00000a b 0x5966c + * 59640: ee064f12 mcr 15, 0, r4, cr6, cr2, {0} + * 59644: ea000008 b 0x5966c + * 59648: ee064f13 mcr 15, 0, r4, cr6, cr3, {0} + * 5964c: ea000006 b 0x5966c + * 59650: ee064f14 mcr 15, 0, r4, cr6, cr4, {0} + * 59654: ea000004 b 0x5966c + * 59658: ee064f15 mcr 15, 0, r4, cr6, cr5, {0} + * 5965c: ea000002 b 0x5966c + * 59660: ee064f16 mcr 15, 0, r4, cr6, cr6, {0} + * 59664: ea000000 b 0x5966c + * 59668: ee064f17 mcr 15, 0, r4, cr6, cr7, {0} + * 5966c: e3a00000 mov r0, #0 ; 0x0 + * 59670: e8bd00f0 pop {r4, r5, r6, r7} + * 59674: e1a0f00e mov r15, r14 + * 59678: e3e00000 mvn r0, #0 ; 0x0 + * 5967c: e8bd00f0 pop {r4, r5, r6, r7} + * 59680: e1a0f00e mov r15, r14 + * 59684: e92d43f8 push {r3, r4, r5, r6, r7, r8, r9, r14} + * 59688: eb000000 bl 0x59690 + * 5968c: e8bd83f8 pop {r3, r4, r5, r6, r7, r8, r9, r15} + * 59690: e3a08001 mov r8, #1 ; 0x1 + * 59694: e3a034c0 mov r3, #-1073741824 ; 0xc0000000 + * 59698: e1500003 cmp r0, r3 + * 5969c: da000022 ble 0x5972c + * 596a0: e3a03020 mov r3, #32 ; 0x20 + * 596a4: e7b34000 ldr r4, [r3, r0]! + * 596a8: e3a08002 mov r8, #2 ; 0x2 + * 596ac: e5935004 ldr r5, [r3, #4] + * 596b0: e1550002 cmp r5, r2 + * 596b4: 1a00001c bne 0x5972c + * 596b8: e3a08003 mov r8, #3 ; 0x3 + * 596bc: e1510004 cmp r1, r4 + * 596c0: 23b05000 movscs r5, #0 ; 0x0 + * 596c4: 33b05001 movscc r5, #1 ; 0x1 + * 596c8: 1a000017 bne 0x5972c + * 596cc: e3a08004 mov r8, #4 ; 0x4 + * 596d0: e1a03000 mov r3, r0 + * 596d4: e0804004 add r4, r0, r4 + * 596d8: e3e05000 mvn r5, #0 ; 0x0 + * 596dc: e59f7050 ldr r7, [pc, #80] ; 0x59734 + * 596e0: e1530004 cmp r3, r4 + * 596e4: 2a00000c bcs 0x5971c + * 596e8: e3c39003 bic r9, r3, #3 ; 0x3 + * 596ec: e5996000 ldr r6, [r9] + * 596f0: e2039003 and r9, r3, #3 ; 0x3 + * 596f4: e1a09189 lsl r9, r9, #3 + * 596f8: e1a06936 lsr r6, r6, r9 + * 596fc: e0255c06 eor r5, r5, r6, lsl #24 + * 59700: e3a06008 mov r6, #8 ; 0x8 + * 59704: e1b05085 lsls r5, r5, #1 + * 59708: 20255007 eorcs r5, r5, r7 + * 5970c: e2566001 subs r6, r6, #1 ; 0x1 + * 59710: 1afffffb bne 0x59704 + * 59714: e2833001 add r3, r3, #1 ; 0x1 + * 59718: eafffff0 b 0x596e0 + * 5971c: e1e05005 mvn r5, r5 + * 59720: e5943000 ldr r3, [r4] + * 59724: e0533005 subs r3, r3, r5 + * 59728: 03a08000 moveq r8, #0 ; 0x0 + * 5972c: e1a00008 mov r0, r8 + * 59730: e1a0f00e mov r15, r14 + * 59734: 04c11db7 strbeq r1, [r1], #3511 + * 59738: e10f1000 mrs r1, CPSR + * 5973c: e3c12080 bic r2, r1, #128 ; 0x80 + * 59740: e3500001 cmp r0, #1 ; 0x1 + * 59744: 23822080 orrcs r2, r2, #128 ; 0x80 + * 59748: e129f002 msr CPSR_fc, r2 + * 5974c: e1b01c81 lsls r1, r1, #25 + * 59750: e3a00000 mov r0, #0 ; 0x0 + * 59754: 23a00001 movcs r0, #1 ; 0x1 + * 59758: e1a0f00e mov r15, r14 + * 5975c: e10f1000 mrs r1, CPSR + * 59760: e3a02001 mov r2, #1 ; 0x1 + * 59764: e00203e1 and r0, r2, r1, ror #7 + * 59768: e1a0f00e mov r15, r14 + * 5976c: ee151f70 mrc 15, 0, r1, cr5, cr0, {3} + * 59770: e3a02001 mov r2, #1 ; 0x1 + * 59774: e0020261 and r0, r2, r1, ror #4 + * 59778: e1a0f00e mov r15, r14 + * 5977c: e3a00000 mov r0, #0 ; 0x0 + * 59780: ee070f16 mcr 15, 0, r0, cr7, cr6, {0} + * 59784: e1a0f00e mov r15, r14 + * 59788: e92d0300 push {r8, r9} + * 5978c: e3a00001 mov r0, #1 ; 0x1 + * 59790: e59f83bc ldr r8, [pc, #956] ; 0x59b54 + * 59794: e5880000 str r0, [r8] + * 59798: e3a0000a mov r0, #10 ; 0xa + * 5979c: e59f83b4 ldr r8, [pc, #948] ; 0x59b58 + * 597a0: e5880000 str r0, [r8] + * 597a4: e3a00004 mov r0, #4 ; 0x4 + * 597a8: e59f83ac ldr r8, [pc, #940] ; 0x59b5c + * 597ac: e5880000 str r0, [r8] + * 597b0: e59f93a8 ldr r9, [pc, #936] ; 0x59b60 + * 597b4: e5990000 ldr r0, [r9] + * 597b8: e3800001 orr r0, r0, #1 ; 0x1 + * 597bc: e59f839c ldr r8, [pc, #924] ; 0x59b60 + * 597c0: e5880000 str r0, [r8] + * 597c4: eafffffe b 0x597c4 + * 597c8: e92d4370 push {r4, r5, r6, r8, r9, r14} + * 597cc: e1a06000 mov r6, r0 + * 597d0: e3a05000 mov r5, #0 ; 0x0 + * 597d4: e5960000 ldr r0, [r6] + * 597d8: e5961004 ldr r1, [r6, #4] + * 597dc: e1500001 cmp r0, r1 + * 597e0: 2a000006 bcs 0x59800 + * 597e4: e5960000 ldr r0, [r6] + * 597e8: e5d05000 ldrb r5, [r0] + * 597ec: e5960000 ldr r0, [r6] + * 597f0: e2800001 add r0, r0, #1 ; 0x1 + * 597f4: e5860000 str r0, [r6] + * 597f8: e1a00005 mov r0, r5 + * 597fc: ea000001 b 0x59808 + * 59800: ebffffe0 bl 0x59788 + * 59804: e1a00005 mov r0, r5 + * 59808: e8bd8370 pop {r4, r5, r6, r8, r9, r15} + * 5980c: e92d43f0 push {r4, r5, r6, r7, r8, r9, r14} + * 59810: e1a07000 mov r7, r0 + * 59814: e1a06001 mov r6, r1 + * 59818: e5961000 ldr r1, [r6] + * 5981c: e5962004 ldr r2, [r6, #4] + * 59820: e1510002 cmp r1, r2 + * 59824: 2a000005 bcs 0x59840 + * 59828: e5961000 ldr r1, [r6] + * 5982c: e5c17000 strb r7, [r1] + * 59830: e5961000 ldr r1, [r6] + * 59834: e2811001 add r1, r1, #1 ; 0x1 + * 59838: e5861000 str r1, [r6] + * 5983c: ea000000 b 0x59844 + * 59840: ebffffd0 bl 0x59788 + * 59844: e8bd83f0 pop {r4, r5, r6, r7, r8, r9, r15} + * 59848: e92d4370 push {r4, r5, r6, r8, r9, r14} + * 5984c: e1a06000 mov r6, r0 + * 59850: e5d61008 ldrb r1, [r6, #8] + * 59854: e3510080 cmp r1, #128 ; 0x80 + * 59858: 1a000002 bne 0x59868 + * 5985c: e1a00006 mov r0, r6 + * 59860: ebffffd8 bl 0x597c8 + * 59864: e5c60009 strb r0, [r6, #9] + * 59868: e5d61008 ldrb r1, [r6, #8] + * 5986c: e5d62009 ldrb r2, [r6, #9] + * 59870: e0011002 and r1, r1, r2 + * 59874: e20110ff and r1, r1, #255 ; 0xff + * 59878: e1a05001 mov r5, r1 + * 5987c: e5d61008 ldrb r1, [r6, #8] + * 59880: e1a010a1 lsr r1, r1, #1 + * 59884: e5c61008 strb r1, [r6, #8] + * 59888: e5d61008 ldrb r1, [r6, #8] + * 5988c: e3510000 cmp r1, #0 ; 0x0 + * 59890: 1a000001 bne 0x5989c + * 59894: e3a01080 mov r1, #128 ; 0x80 + * 59898: e5c61008 strb r1, [r6, #8] + * 5989c: e3550000 cmp r5, #0 ; 0x0 + * 598a0: 0a000001 beq 0x598ac + * 598a4: e3a00001 mov r0, #1 ; 0x1 + * 598a8: ea000000 b 0x598b0 + * 598ac: e3a00000 mov r0, #0 ; 0x0 + * 598b0: e8bd8370 pop {r4, r5, r6, r8, r9, r15} + * 598b4: e92d4ff0 push {r4, r5, r6, r7, r8, r9, r10, r11, r14} + * 598b8: e1a0b000 mov r11, r0 + * 598bc: e1a0a001 mov r10, r1 + * 598c0: e24a1001 sub r1, r10, #1 ; 0x1 + * 598c4: e3a02001 mov r2, #1 ; 0x1 + * 598c8: e1a06112 lsl r6, r2, r1 + * 598cc: e3a07000 mov r7, #0 ; 0x0 + * 598d0: ea000015 b 0x5992c + * 598d4: e5db1008 ldrb r1, [r11, #8] + * 598d8: e3510080 cmp r1, #128 ; 0x80 + * 598dc: 1a000003 bne 0x598f0 + * 598e0: e1a0000b mov r0, r11 + * 598e4: ebffffb7 bl 0x597c8 + * 598e8: e1a01000 mov r1, r0 + * 598ec: e5cb1009 strb r1, [r11, #9] + * 598f0: e5db1008 ldrb r1, [r11, #8] + * 598f4: e5db2009 ldrb r2, [r11, #9] + * 598f8: e0011002 and r1, r1, r2 + * 598fc: e3510000 cmp r1, #0 ; 0x0 + * 59900: 0a000000 beq 0x59908 + * 59904: e1877006 orr r7, r7, r6 + * 59908: e1a060a6 lsr r6, r6, #1 + * 5990c: e5db2008 ldrb r2, [r11, #8] + * 59910: e1a020a2 lsr r2, r2, #1 + * 59914: e5cb2008 strb r2, [r11, #8] + * 59918: e5db1008 ldrb r1, [r11, #8] + * 5991c: e3510000 cmp r1, #0 ; 0x0 + * 59920: 1a000001 bne 0x5992c + * 59924: e3a01080 mov r1, #128 ; 0x80 + * 59928: e5cb1008 strb r1, [r11, #8] + * 5992c: e3560000 cmp r6, #0 ; 0x0 + * 59930: 1affffe7 bne 0x598d4 + * 59934: e1a00007 mov r0, r7 + * 59938: e8bd8ff0 pop {r4, r5, r6, r7, r8, r9, r10, r11, r15} + * 5993c: e92d4ff0 push {r4, r5, r6, r7, r8, r9, r10, r11, r14} + * 59940: e24dd004 sub r13, r13, #4 ; 0x4 + * 59944: e1a0a000 mov r10, r0 + * 59948: e58d1000 str r1, [r13] + * 5994c: e3a05001 mov r5, #1 ; 0x1 + * 59950: e1a0000a mov r0, r10 + * 59954: ebffffbb bl 0x59848 + * 59958: e1a02000 mov r2, r0 + * 5995c: e3520000 cmp r2, #0 ; 0x0 + * 59960: 0a00000f beq 0x599a4 + * 59964: e1a0000a mov r0, r10 + * 59968: e3a01008 mov r1, #8 ; 0x8 + * 5996c: ebffffd0 bl 0x598b4 + * 59970: e20020ff and r2, r0, #255 ; 0xff + * 59974: e1a04002 mov r4, r2 + * 59978: e59d1000 ldr r1, [r13] + * 5997c: e1a00004 mov r0, r4 + * 59980: ebffffa1 bl 0x5980c + * 59984: e59f21d8 ldr r2, [pc, #472] ; 0x59b64 + * 59988: e0852002 add r2, r5, r2 + * 5998c: e5c24000 strb r4, [r2] + * 59990: e2852001 add r2, r5, #1 ; 0x1 + * 59994: e1a02b02 lsl r2, r2, #22 + * 59998: e1a02b22 lsr r2, r2, #22 + * 5999c: e1a05002 mov r5, r2 + * 599a0: eaffffea b 0x59950 + * 599a4: e1a0000a mov r0, r10 + * 599a8: e3a0100a mov r1, #10 ; 0xa + * 599ac: ebffffc0 bl 0x598b4 + * 599b0: e1a02000 mov r2, r0 + * 599b4: e1a0b002 mov r11, r2 + * 599b8: e35b0000 cmp r11, #0 ; 0x0 + * 599bc: 0a00001b beq 0x59a30 + * 599c0: e1a0000a mov r0, r10 + * 599c4: e3a01004 mov r1, #4 ; 0x4 + * 599c8: ebffffb9 bl 0x598b4 + * 599cc: e1a02000 mov r2, r0 + * 599d0: e1a07002 mov r7, r2 + * 599d4: e2877001 add r7, r7, #1 ; 0x1 + * 599d8: e3a06000 mov r6, #0 ; 0x0 + * 599dc: ea000010 b 0x59a24 + * 599e0: e086200b add r2, r6, r11 + * 599e4: e1a02b02 lsl r2, r2, #22 + * 599e8: e1a02b22 lsr r2, r2, #22 + * 599ec: e59f3170 ldr r3, [pc, #368] ; 0x59b64 + * 599f0: e0822003 add r2, r2, r3 + * 599f4: e5d24000 ldrb r4, [r2] + * 599f8: e59d1000 ldr r1, [r13] + * 599fc: e1a00004 mov r0, r4 + * 59a00: ebffff81 bl 0x5980c + * 59a04: e59f2158 ldr r2, [pc, #344] ; 0x59b64 + * 59a08: e0852002 add r2, r5, r2 + * 59a0c: e5c24000 strb r4, [r2] + * 59a10: e2852001 add r2, r5, #1 ; 0x1 + * 59a14: e1a02b02 lsl r2, r2, #22 + * 59a18: e1a02b22 lsr r2, r2, #22 + * 59a1c: e1a05002 mov r5, r2 + * 59a20: e2866001 add r6, r6, #1 ; 0x1 + * 59a24: e1560007 cmp r6, r7 + * 59a28: daffffec ble 0x599e0 + * 59a2c: eaffffc7 b 0x59950 + * 59a30: e28dd004 add r13, r13, #4 ; 0x4 + * 59a34: e8bd8ff0 pop {r4, r5, r6, r7, r8, r9, r10, r11, r15} * 59a38: e92d4ff0 push {r4, r5, r6, r7, r8, r9, r10, r11, r14} * 59a3c: e1a07000 mov r7, r0 * 59a40: e1a0a001 mov r10, r1 @@ -85,3 +427,260 @@ * 59b7c: 14000410 strne r0, [r0], #-1040 * 59b80: 46335053 undefined */ + +void err_exit(const char *fname) +{ + fprintf(stderr,"%s: error extracting...\n", fname); + exit(1); +} + +struct data_in_s { + unsigned char *start; /* 0 */ + unsigned char *stop; /* 4 */ + unsigned char bit; /* 8 */ + unsigned char x; /* 9 */ +}; + +struct data_out_s { + unsigned char *pos; + unsigned char *end; +}; + +unsigned char fn_597c8(struct data_in_s *r6_data) +{ + unsigned char *r0; + unsigned char *r1; + unsigned char r5; + + r5 = 0; + + r0 = r6_data->start; + r1 = r6_data->stop; + + if (r1 < r0) + err_exit(__func__); + + r5 = *r0; + r0++; + r6_data->start = r0; + + return r5; +} + +unsigned int fn_59848(struct data_in_s *r6_data) +{ + unsigned char r1; + unsigned char r2; + unsigned int r5; + + r1 = r6_data->bit; + if (r1 == 0x80) { + r6_data->x = fn_597c8(r6_data); + } + r1 = r6_data->bit; + r2 = r6_data->x; + r1 = r1 & r2; + r5 = r1 & 0xff; + + r1 = r6_data->bit; + r1 = r1 >> 1; + r6_data->bit = r1; + if (r1 == 0) { + r1 = 0x80; + r6_data->bit = r1; + } + + if (r5 == 0) + return 0; + + return 1; +} + +unsigned int fn_598b4(struct data_in_s *r11_data, unsigned int r10_arg2) +{ + unsigned int r1; + unsigned int r2; + unsigned int r6; + unsigned int r7; + + r1 = r10_arg2 - 1; + r6 = 1 << r1; + + r7 = 0; + while (r6 != 0) { + r1 = r11_data->bit; + if (r1 == 0x80) { + r1 = fn_597c8(r11_data); + r11_data->x = r1; + } + r1 = r11_data->bit; + r2 = r11_data->x; + r1 = r1 & r2; + if (r1 != 0) + r7 = r7 | r6; + + r6 = r6 >> 1; + + r2 = r11_data->bit; + r2 = r2 >> 1; + r11_data->bit = r2; + + r1 = r11_data->bit; + if(r1 == 0) { + r11_data->bit = 0x80; + } + } + + return r7; +} + +void fn_5980c(unsigned int arg1, struct data_out_s *data_out) +{ + unsigned char *r1; + unsigned char *r2; + + r1 = data_out->pos; + r2 = data_out->end; + + if (r1 > r2) { + printf("r1: 0x%08x, r2: 0x%08x\n", (unsigned int)r1, (unsigned int)r2); + err_exit(__func__); + } + + *r1 = arg1 & 0xff; + + r1++; + data_out->pos = r1; +} + +void lz_expand(struct data_in_s *r10_data, struct data_out_s *data_out) +{ + unsigned int r5; + unsigned int r2; + unsigned char r4; + unsigned int r6; + unsigned int r7; + unsigned int r11; + unsigned char arr_59b64[2048]; + + r5 = 1; + + while (1) { + while (1) { + r2 = fn_59848(r10_data); + if (r2 == 0) + break; + + r2 = fn_598b4(r10_data, 8) & 0xff; + r4 = r2; + + fn_5980c(r4, data_out); + arr_59b64[r5] = r4 & 0xff; + r2 = r5 + 1; + r2 = r2 << 22; + r2 = r2 >> 22; + r5 = r2; + } + + r11 = fn_598b4(r10_data, 0x0a); + if(r11 == 0) + return; + + r2 = fn_598b4(r10_data, 0x04); + r7 = r2 + 1; + r6 = 0; + while (r6 <= r7) { + r2 = r6 + r11; + r2 = r2 << 22; + r2 = r2 >> 22; + r4 = arr_59b64[r2]; + fn_5980c(r4, data_out); + arr_59b64[r5] = r4; + r2 = r5 + 1; + r2 = r2 << 22; + r2 = r2 >> 22; + r5 = r2; + r6++; + } + } +} + +unsigned int crc_check_59684(unsigned char *arg1, unsigned int arg2, unsigned int magic) +{ + unsigned int r3; + unsigned int r4; + unsigned int r5; + +#if 0 + if (r0 < 0xc0000000) + return 1; +#endif + + /* ??? */ + r4 = *((unsigned int*)arg1 + 0x20); + r5 = *((unsigned int*)arg1 + 0x24); + + printf("magic: 0x%08x <-> 0x%08x\n", r5, magic); + if (r5 != magic) + return 2; + + if (arg2 >= r4) + r5 = 0; + else + return 3; + + r5 = ~rsb_crc(~0x00, arg1, r4); + r3 = *((unsigned int*)(arg1 + r4)); + printf("Checksums: 0x%02x <-> 0x%02x\n", r5, r3); + + if (r3 == r5) + return 0; + + return 4; +} + +void extract_lz_file(unsigned char *inbuf, unsigned char *name) +{ + unsigned int len; + unsigned char *outbuf; + struct data_in_s data_in; + struct data_out_s data_out; + + if (*((unsigned int*)inbuf) != LZ_MAGIC) + err_exit(__func__); + + len = *((unsigned int*)(inbuf + 4)); + printf(", length: %d", len); + + if ((outbuf = malloc(len)) == NULL) { + perror("malloc"); + exit(1); + } + + bzero(outbuf, len); + + data_in.start = inbuf + 8; + data_in.stop = inbuf + len; + data_in.x = 0; + data_in.bit = 0x80; + + data_out.pos = outbuf; + data_out.end = outbuf + len; + + lz_expand(&data_in, &data_out); + +#if 0 + /* This seems to still be completely broken */ + r3 = r7 + 0x20; + r5 = *((unsigned int*)r3); + + if ((ret = crc_check_59684(r7, r5, 0x46335053)) != 0) { + printf("crc_check return: %d\n", ret); + err_exit(__func__); + } +#endif + + write_file((char*)name, outbuf, len); + + free(outbuf); +}