]> cvs.zerfleddert.de Git - rsbs2/blobdiff - rsb-lz.c
compressed main firmware now also gets extracted :-)
[rsbs2] / rsb-lz.c
index b0129b5e942b800ab60828f689152e6c60fa849f..b6242658d2b6322a9041fd10b53f80620a1ab4f4 100644 (file)
--- a/rsb-lz.c
+++ b/rsb-lz.c
@@ -1,6 +1,352 @@
+#include <sys/stat.h>
+#include <sys/types.h>
+#include <limits.h>
+#include <fcntl.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <strings.h>
+#include <string.h>
+#include <unistd.h>
+#include <errno.h>
+#include <libgen.h>
+#include "rsb-crc.h"
+#include "rsb-lz.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
  * 59b7c:      14000410        strne   r0, [r0], #-1040
  * 59b80:      46335053        undefined
  */
+
+void fn_59788(const char *fname)
+{
+       fprintf(stderr,"%s: error extracting...\n", fname);
+       exit(1);
+}
+
+struct s_59b78 {
+       unsigned char *start; /* 0 */
+       unsigned char *stop; /* 4 */
+       unsigned char y; /* 8 */
+       unsigned char x; /* 9 */
+};
+
+unsigned char fn_597c8(struct s_59b78 *r6_data)
+{
+       unsigned char *r0;
+       unsigned char *r1;
+       unsigned char r5;
+
+       r5 = 0;
+
+       r0 = r6_data->start;
+       r1 = r6_data->stop;
+
+       if (r1 < r0)
+               fn_59788(__func__);
+
+       r5 = *r0;
+       r0++;
+       r6_data->start = r0;
+
+       return r5;
+}
+
+unsigned int fn_59848(struct s_59b78 *r6_data)
+{
+       unsigned char r1;
+       unsigned char r2;
+       unsigned int r5;
+
+       r1 = r6_data->y;
+       if (r1 == 0x80) {
+               r6_data->x = fn_597c8(r6_data);
+       }
+       r1 = r6_data->y;
+       r2 = r6_data->x;
+       r1 = r1 & r2;
+       r5 = r1 & 0xff;
+
+       r1 = r6_data->y;
+       r1 = r1 >> 1;
+       r6_data->y = r1;
+       if (r1 == 0) {
+               r1 = 0x80;
+               r6_data->y = r1;
+       }
+
+       if (r5 == 0)
+               return 0;
+
+       return 1;
+}
+
+unsigned int fn_598b4(struct s_59b78 *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->y;
+               if (r1 == 0x80) {
+                       r1 = fn_597c8(r11_data);
+                       r11_data->x = r1;
+               }
+               r1 = r11_data->y;
+               r2 = r11_data->x;
+               r1 = r1 & r2;
+               if (r1 != 0)
+                       r7 = r7 | r6;
+
+               r6 = r6 >> 1;
+
+               r2 = r11_data->y;
+               r2 = r2 >> 1;
+               r11_data->y = r2;
+
+               r1 = r11_data->y;
+               if(r1 == 0) {
+                       r11_data->y = 0x80;
+               }
+       }
+
+       return r7;
+}
+
+void fn_5980c(unsigned int arg1, unsigned int mem[])
+{
+       unsigned char *r1;
+       unsigned char *r2;
+
+       r1 = (unsigned char*)mem[0];
+       r2 = (unsigned char*)mem[1];
+
+       if (r1 > r2) {
+               printf("r1: 0x%08x, r2: 0x%08x\n", (unsigned int)r1, (unsigned int)r2);
+               fn_59788(__func__);
+       }
+
+       *r1 = arg1 & 0xff;
+
+       r1++;
+       mem[0] = (unsigned int)r1;
+}
+
+void fn_5993c(struct s_59b78 *r10_data, unsigned int r13_mem[])
+{
+       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, r13_mem);
+                       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, r13_mem);
+                       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 mkdir_p(char *dir)
+{
+       char *copy, *parent;
+
+       if ((dir == NULL) || (!strcmp(dir, ".")))
+               return;
+
+       if ((copy = strdup(dir)) == NULL) {
+               perror("strdup");
+               exit(1);
+       }
+       parent = dirname(copy);
+       mkdir_p(parent);
+
+       errno = 0;
+       if (mkdir(dir, 0755) == -1) {
+               if (errno != EEXIST) {
+                       fprintf(stderr, "%s: ", dir);
+                       perror("mkdir");
+                       exit(1);
+               }
+       }
+       free(copy);
+}
+
+void write_file(char *fname, unsigned char *buf, int len)
+{
+       char filename[PATH_MAX];
+       char *filename_c, *dirn;
+       int fd;
+       int remaining;
+       int ret;
+
+       strcpy(filename, "extracted/");
+       strcat(filename, fname);
+
+       if ((filename_c = strdup(filename)) == NULL) {
+               perror("strdup");
+               exit(1);
+       }
+       dirn = dirname(filename_c);
+       mkdir_p(dirn);
+       free(filename_c);
+
+       if ((fd = open(filename, O_WRONLY|O_CREAT, 0644)) == -1) {
+               fprintf(stderr, "%s: ", filename);
+               perror("open");
+               exit(1);
+       }
+
+       remaining = len;
+
+       while(remaining) {
+               ret = write(fd, buf + (len - remaining), remaining);
+               if (ret < 0) {
+                       perror("write");
+                       exit(1);
+               }
+               remaining -= ret;
+       }
+
+       printf(", %s written.\n", filename);
+
+       close(fd);
+}
+
+void extract_lz_file(unsigned char *buf, unsigned char *name)
+{
+       unsigned char *r3;
+       unsigned int r5;
+       unsigned char *r7 = NULL; /* Arg1, mem start */
+       unsigned char *r10 = NULL; /* Arg2, mem end */
+       unsigned char *r11 = buf; /* Arg3 */
+       struct s_59b78 struct1;
+       unsigned int arr_59b7c[1024];
+
+       if (*((unsigned int*)r11) != LZ_MAGIC)
+               fn_59788(__func__);
+
+       r3 = r11 + 4;
+       r5 = *((unsigned int*)r3);
+       printf(", length: %d", r5);
+
+       if ((r7 = malloc(r5)) == NULL) {
+               perror("malloc");
+               exit(1);
+       }
+       r10 = r7 + r5;
+       bzero(r7, r5);
+
+       r3 = r7 + r5;
+       if (r3 > r10)
+               fn_59788(__func__);
+       
+       struct1.start = r11 + 8;
+       struct1.stop = r5 + r11;
+       struct1.x = 0;
+       struct1.y = 0x80;
+
+       arr_59b7c[0] = (unsigned int)r7;
+       arr_59b7c[1] = (unsigned int)(r5 + r7);
+
+       fn_5993c(&struct1, arr_59b7c);
+
+#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);
+               fn_59788(__func__);
+       }
+#endif
+
+       write_file((char*)name, r7, r5);
+       
+       free(r7);
+}
+
+void search_lz_sections(unsigned char *fw, int len)
+{
+       int i;
+       unsigned char *j;
+
+       for(i = 0; i < len - 4; i++) {
+               if (*((unsigned int*)(fw+i)) == LZ_MAGIC) {
+                       j = fw + i - 1;
+                       printf("0x%02x: ", i);
+                       j--;
+                       while (j > fw) {
+                               if (!strncmp("SP3", (char*)j, 3)) {
+                                       unsigned char fname[5];
+
+                                       bzero(fname, sizeof(fname));
+                                       memcpy(fname, j, 4);
+                                       printf("Firmware found: %s", fname);
+                                       extract_lz_file(fw + i, fname);
+                                       break;
+                               }
+                               if (*j == 0x00) {
+                                       if ((*(j+1) != '/')) {
+                                               printf("ignoring...\n");
+                                               break;
+                                       }
+                                       printf("%s", j+1);
+                                       extract_lz_file(fw + i, j+1);
+                                       break;
+                               }
+                               j--;
+                       }
+               }
+       }
+}
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