]> git.zerfleddert.de Git - rsbs2/blobdiff - rsb-lz.c
use unified write_file function everywhere...
[rsbs2] / rsb-lz.c
index 24977029e52f2cb64f00764f27202a732dd96399..c771b894ffa4ddc314635bf23e1677de0d3cf687 100644 (file)
--- a/rsb-lz.c
+++ b/rsb-lz.c
-#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"
+#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
- * 59a44:      e1a0b002        mov     r11, r2
- * 59a48:      ebfffeae        bl      0x59508
- * 59a4c:      e3a03033        mov     r3, #51 ; 0x33
- * 59a50:      e3a0203f        mov     r2, #63 ; 0x3f
- * 59a54:      e3a01000        mov     r1, #0  ; 0x0
- * 59a58:      e3a00000        mov     r0, #0  ; 0x0
- * 59a5c:      ebfffec5        bl      0x59578
- * 59a60:      e59f3100        ldr     r3, [pc, #256]  ; 0x59b68
- * 59a64:      e3a02033        mov     r2, #51 ; 0x33
- * 59a68:      e3a01540        mov     r1, #268435456  ; 0x10000000
- * 59a6c:      e3a00004        mov     r0, #4  ; 0x4
- * 59a70:      ebfffec0        bl      0x59578
- * 59a74:      e59f30f0        ldr     r3, [pc, #240]  ; 0x59b6c
- * 59a78:      e3a0201b        mov     r2, #27 ; 0x1b
- * 59a7c:      e3a01550        mov     r1, #335544320  ; 0x14000000
- * 59a80:      e3a00005        mov     r0, #5  ; 0x5
- * 59a84:      ebfffebb        bl      0x59578
- * 59a88:      e3a03033        mov     r3, #51 ; 0x33
- * 59a8c:      e3a0203b        mov     r2, #59 ; 0x3b
- * 59a90:      e3a014c0        mov     r1, #-1073741824        ; 0xc0000000
- * 59a94:      e3a00007        mov     r0, #7  ; 0x7
- * 59a98:      ebfffeb6        bl      0x59578
- * 59a9c:      e59f00cc        ldr     r0, [pc, #204]  ; 0x59b70
- * 59aa0:      ebfffeae        bl      0x59560
- * 59aa4:      e59b5000        ldr     r5, [r11]
- * 59aa8:      e59f20c4        ldr     r2, [pc, #196]  ; 0x59b74
- * 59aac:      e1550002        cmp     r5, r2
- * 59ab0:      0a000000        beq     0x59ab8
- * 59ab4:      ebffff33        bl      0x59788
- * 59ab8:      e28b3004        add     r3, r11, #4     ; 0x4
- * 59abc:      e5935000        ldr     r5, [r3]
- * 59ac0:      e0853007        add     r3, r5, r7
- * 59ac4:      e153000a        cmp     r3, r10
- * 59ac8:      3a000000        bcc     0x59ad0
- * 59acc:      ebffff2d        bl      0x59788
- * 59ad0:      e28b2008        add     r2, r11, #8     ; 0x8
- * 59ad4:      e59f809c        ldr     r8, [pc, #156]  ; 0x59b78
- * 59ad8:      e5882000        str     r2, [r8]
- * 59adc:      e085200b        add     r2, r5, r11
- * 59ae0:      e59f8090        ldr     r8, [pc, #144]  ; 0x59b78
- * 59ae4:      e5882004        str     r2, [r8, #4]
- * 59ae8:      e3a02000        mov     r2, #0  ; 0x0
- * 59aec:      e59f8084        ldr     r8, [pc, #132]  ; 0x59b78
- * 59af0:      e5c82009        strb    r2, [r8, #9]
- * 59af4:      e3a02080        mov     r2, #128        ; 0x80
- * 59af8:      e59f8078        ldr     r8, [pc, #120]  ; 0x59b78
- * 59afc:      e5c82008        strb    r2, [r8, #8]
- * 59b00:      e59f8074        ldr     r8, [pc, #116]  ; 0x59b7c
- * 59b04:      e5887000        str     r7, [r8]
- * 59b08:      e0853007        add     r3, r5, r7
- * 59b0c:      e59f8068        ldr     r8, [pc, #104]  ; 0x59b7c
- * 59b10:      e5883004        str     r3, [r8, #4]
- * 59b14:      e59f1060        ldr     r1, [pc, #96]   ; 0x59b7c
- * 59b18:      e59f0058        ldr     r0, [pc, #88]   ; 0x59b78
- * 59b1c:      ebffff86        bl      0x5993c
- * 59b20:      e2873020        add     r3, r7, #32     ; 0x20
- * 59b24:      e5935000        ldr     r5, [r3]
- * 59b28:      e59f2050        ldr     r2, [pc, #80]   ; 0x59b80
- * 59b2c:      e1a01005        mov     r1, r5
- * 59b30:      e1a00007        mov     r0, r7
- * 59b34:      ebfffed2        bl      0x59684
- * 59b38:      e1a01000        mov     r1, r0
- * 59b3c:      e1a04001        mov     r4, r1
- * 59b40:      e3540000        cmp     r4, #0  ; 0x0
- * 59b44:      0a000000        beq     0x59b4c
- * 59b48:      ebffff0e        bl      0x59788
- * 59b4c:      ebfffe6d        bl      0x59508
- * 59b50:      e8bd8ff0        pop     {r4, r5, r6, r7, r8, r9, r10, r11, r15}
- * 59b54:      c00b003c        andgt   r0, r11, r12, lsr r0
- * 59b58:      c00b0038        andgt   r0, r11, r8, lsr r0
- * 59b5c:      c00b0034        andgt   r0, r11, r4, lsr r0
- * 59b60:      c00b0030        andgt   r0, r11, r0, lsr r0
- * 59b64:      14000418        strne   r0, [r0], #-1048
- * 59b68:      00000366        andeq   r0, r0, r6, ror #6
- * 59b6c:      00000733        andeq   r0, r0, r3, lsr r7
- * 59b70:      00001005        andeq   r1, r0, r5
- * 59b74:      6110beef        tstvs   r0, r15, ror #29  <- LZW Header...
- * 59b78:      14000404        strne   r0, [r0], #-1028
- * 59b7c:      14000410        strne   r0, [r0], #-1040
- * 59b80:      46335053        undefined
- */
-
-void fn_59788(const char *fname)
+void err_exit(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 */
+struct data_in_s {
+       unsigned char *start;
+       unsigned char *stop;
+       unsigned char bitpos;
+       unsigned char byte;
 };
 
-unsigned char fn_597c8(struct s_59b78 *r6_data)
-{
-       unsigned char *r0;
-       unsigned char *r1;
-       unsigned char r5;
-
-       r5 = 0;
+struct data_out_s {
+       unsigned char *pos;
+       unsigned char *end;
+};
 
-       r0 = r6_data->start;
-       r1 = r6_data->stop;
+unsigned char get_next_in_byte(struct data_in_s *data_in)
+{
+       unsigned char byte;
 
-       if (r1 < r0)
-               fn_59788(__func__);
+       if (data_in->stop < data_in->start)
+               err_exit(__func__);
 
-       r5 = *r0;
-       r0++;
-       r6_data->start = r0;
+       byte = *(data_in->start);
+       data_in->start++;
 
-       return r5;
+       return byte;
 }
 
-unsigned int fn_59848(struct s_59b78 *r6_data)
+unsigned char get_next_bit(struct data_in_s *data_in)
 {
-       unsigned char r1;
-       unsigned char r2;
-       unsigned int r5;
+       unsigned char bitval;
 
-       r1 = r6_data->y;
-       if (r1 == 0x80) {
-               r6_data->x = fn_597c8(r6_data);
+       if (data_in->bitpos == 0x80) {
+               data_in->byte = get_next_in_byte(data_in);
        }
-       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;
+
+       bitval = data_in->bitpos & data_in->byte;
+
+       data_in->bitpos >>= 1;
+       if (data_in->bitpos == 0) {
+               data_in->bitpos = 0x80;
        }
 
-       if (r5 == 0)
+       if (bitval == 0)
                return 0;
 
        return 1;
 }
 
-unsigned int fn_598b4(struct s_59b78 *r11_data, unsigned int r10_arg2)
+unsigned int get_next_bits(struct data_in_s *data_in, unsigned int bits)
 {
-       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;
+       unsigned int bit;
+       unsigned int next_bits;
+
+       bit = 1 << (bits - 1);
+
+       next_bits = 0;
+       while (bit != 0) {
+               if (data_in->bitpos == 0x80) {
+                       data_in->byte = get_next_in_byte(data_in);
                }
-               r1 = r11_data->y;
-               r2 = r11_data->x;
-               r1 = r1 & r2;
-               if (r1 != 0)
-                       r7 = r7 | r6;
 
-               r6 = r6 >> 1;
+               if ((data_in->bitpos & data_in->byte) != 0)
+                       next_bits = next_bits | bit;
+
+               bit = bit >> 1;
 
-               r2 = r11_data->y;
-               r2 = r2 >> 1;
-               r11_data->y = r2;
+               data_in->bitpos >>= 1;
 
-               r1 = r11_data->y;
-               if(r1 == 0) {
-                       r11_data->y = 0x80;
+               if(data_in->bitpos == 0) {
+                       data_in->bitpos = 0x80;
                }
        }
 
-       return r7;
+       return next_bits;
 }
 
-void fn_5980c(unsigned int arg1, unsigned int mem[])
+void write_byte(unsigned char byte, struct data_out_s *data_out)
 {
-       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__);
+       if (data_out->pos > data_out->end) {
+               err_exit(__func__);
        }
 
-       *r1 = arg1 & 0xff;
-
-       r1++;
-       mem[0] = (unsigned int)r1;
+       *(data_out->pos) = byte;
+       data_out->pos++;
 }
 
-void fn_5993c(struct s_59b78 *r10_data, unsigned int r13_mem[])
+void lz_expand(struct data_in_s *data_in, 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];
+       unsigned int pos;
+       unsigned int wordoffset;
+       unsigned int i;
+       unsigned char byte;
+       unsigned int wordlen;
+       unsigned char buf[1024];
 
-       r5 = 1;
+       pos = 1;
 
        while (1) {
                while (1) {
-                       r2 = fn_59848(r10_data);
-                       if (r2 == 0)
+                       /* Compressed/uncompressed? */
+                       if (get_next_bit(data_in) == 0)
                                break;
 
-                       r2 = fn_598b4(r10_data, 8) & 0xff;
-                       r4 = r2;
+                       /* Uncompressed byte */
+                       byte = get_next_bits(data_in, 8);
+
+                       write_byte(byte, data_out);
 
-                       fn_5980c(r4, r13_mem);
-                       arr_59b64[r5] = r4 & 0xff;
-                       r2 = r5 + 1;
-                       r2 = r2 << 22;
-                       r2 = r2 >> 22;
-                       r5 = r2;
+                       /* Save byte in buffer, to be reused later */
+                       buf[pos] = byte;
+                       pos = (pos + 1) & 0x3ff;
                }
 
-               r11 = fn_598b4(r10_data, 0x0a);
-               if(r11 == 0)
+               /* offset for start of dictionary word */
+               wordoffset = get_next_bits(data_in, 0x0a);
+               if(wordoffset == 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++;
+               /* length of dictionary word used */
+               wordlen = get_next_bits(data_in, 0x04) + 1;
+               for (i = 0; i <= wordlen ; i++) {
+                       /* lookup dictionary byte */
+                       byte = buf[(wordoffset + i) & 0x3ff];
+                       write_byte(byte, data_out);
+                       /* Save byte in buffer, to be reused later */
+                       buf[pos] = byte;
+                       pos = (pos + 1) & 0x3ff;
                }
        }
 }
 
-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
+void set_next_bit(unsigned char *buf, unsigned int set, unsigned int *currbit) {
+       unsigned char *pos;
+       unsigned char bitpos;
 
-       /* ??? */
-       r4 = *((unsigned int*)arg1 + 0x20);
-       r5 = *((unsigned int*)arg1 + 0x24);
+       if (set) {
+               pos = buf + ((*currbit) / 8);
+               bitpos = 0x80 >> ((*currbit) % 8);
+               *pos |= bitpos;
+       }
 
-       printf("magic: 0x%08x <-> 0x%08x\n", r5, magic);
-       if (r5 != magic)
-               return 2;
-       
-       if (arg2 >= r4)
-               r5 = 0;
-       else
-               return 3;
+       *currbit = *currbit + 1;
+}
 
-       r5 = ~rsb_crc(~0x00, arg1, r4);
-       r3 = *((unsigned int*)(arg1 + r4));
-       printf("Checksums: 0x%02x <-> 0x%02x\n", r5, r3);
+void write_bits(unsigned char *buf, unsigned int data, unsigned int bits, unsigned int *currbit) {
+       int i;
+       unsigned int bitpos;
 
-       if (r3 == r5)
-               return 0;
+       bitpos = 1 << (bits - 1);
 
-       return 4;
+       for (i = 0; i < bits; i++) {
+               set_next_bit(buf, data & bitpos, currbit);
+               bitpos >>= 1;
+       }
 }
 
-void mkdir_p(char *dir)
+unsigned char *compress_lz(unsigned char *inbuf, int inlen, int *outlen)
 {
-       char *copy, *parent;
-
-       if ((dir == NULL) || (!strcmp(dir, ".")))
-               return;
+       unsigned char *end = inbuf + inlen;
+       unsigned char *outbuf;
+       unsigned char window[1024];
+       int pos = 0;
+       int fill = 0;
+       unsigned int currbit = 0;
+       int offset;
+       int wordlen;
+       int found;
+       int i;
 
-       if ((copy = strdup(dir)) == NULL) {
-               perror("strdup");
-               exit(1);
+       if ((outbuf = malloc((inlen * 2) + 4)) == NULL) {
+               perror("malloc");
        }
-       parent = dirname(copy);
-       mkdir_p(parent);
-
-       errno = 0;
-       if (mkdir(dir, 0755) == -1) {
-               if (errno != EEXIST) {
-                       fprintf(stderr, "%s: ", dir);
-                       perror("mkdir");
-                       exit(1);
+
+       *((unsigned int*)outbuf) = LZ_MAGIC;
+       currbit = 8 * 8;
+
+       while(inbuf < end) {
+               found = 0;
+               for (wordlen = 17; wordlen > 1; wordlen--) {
+                       for (offset = 1; offset < ((fill < 1023) ? fill : 1023); offset++) {
+                               if ((fill < 1023) &&
+                                   (wordlen + offset > fill))
+                                       break;
+
+                               for (i = 0; i < wordlen; i++) {
+                                       if (inbuf[i] != window[(offset + i) & 0x3ff]) {
+                                               break;
+                                       }
+                               }
+                               if (i == wordlen)
+                                       found = 1;
+                       }
+                       if (found)
+                               break;
+               }
+
+               if (found) {
+                       write_bits(outbuf, 0x00, 0x01, &currbit);
+                       write_bits(outbuf, offset, 0x0a, &currbit);
+                       write_bits(outbuf, wordlen - 1, 0x04, &currbit);
+                       for (i = 0; i < wordlen; i++) {
+                               window[pos] = *(inbuf + i);
+                               pos = (pos + 1) & 0x3ff;
+                       }
+                       inbuf += wordlen;
+
+                       if (fill < sizeof(window))
+                               fill += wordlen;
+               } else {
+                       write_bits(outbuf, 0x01, 0x01, &currbit);
+                       write_bits(outbuf, *inbuf, 0x08, &currbit);
+                       window[pos] = *inbuf;
+                       pos = (pos + 1) & 0x3ff;
+                       inbuf++;
+                       if (fill < sizeof(window))
+                               fill++;
                }
        }
-       free(copy);
+
+       write_bits(outbuf, 0x00, 0x01, &currbit);
+       write_bits(outbuf, 0x00, 0x0a, &currbit);
+
+       *outlen = (currbit / 8) + 1;
+
+       *((unsigned int*)(outbuf + 4)) = *outlen;
+
+       return outbuf;
 }
 
-void write_file(char *fname, unsigned char *buf, int len)
+/* Checksum is only used for the compressed firmware in 'firmware' */
+unsigned int crc_check(unsigned char *buf, unsigned int len, unsigned int magic)
 {
-       char filename[PATH_MAX];
-       char *filename_c, *dirn;
-       int fd;
-       int remaining;
-       int ret;
+       unsigned int file_crc;
+       unsigned int my_len;
+       unsigned int crc;
+       unsigned int my_magic;
 
-       strcpy(filename, "extracted/");
-       strcat(filename, fname);
+       my_len = *((unsigned int*)(buf + 0x20));
+       my_magic = *((unsigned int*)(buf + 0x24));
 
-       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);
+       if (my_magic != magic) {
+               printf("\nmagic: 0x%08x <-> 0x%08x\n", my_magic, magic);
+               return 2;
        }
+       
+       if (len < my_len)
+               return 3;
 
-       remaining = len;
+       crc = ~rsb_crc(~0x00, buf, len);
+       file_crc = *((unsigned int*)(buf + len));
 
-       while(remaining) {
-               ret = write(fd, buf + (len - remaining), remaining);
-               if (ret < 0) {
-                       perror("write");
-                       exit(1);
-               }
-               remaining -= ret;
+       if (file_crc != crc) {
+               printf("\nChecksums: 0x%08x <-> 0x%08x!\n", crc, file_crc);
+               return 4;
        }
 
-       printf(", %s written.\n", filename);
-
-       close(fd);
+       return 0;
 }
 
-void extract_lz_file(unsigned char *buf, unsigned char *name)
+void extract_lz_file(unsigned char *inbuf, unsigned char *name, unsigned char check_crc)
 {
-       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\n", r5);
-
-       if ((r7 = malloc(r5)) == NULL) {
+       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);
        }
-       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;
+       bzero(outbuf, len);
 
-       arr_59b7c[0] = (unsigned int)r7;
-       arr_59b7c[1] = (unsigned int)(r5 + r7);
+       data_in.start = inbuf + 8;
+       data_in.stop = inbuf + len;
+       data_in.byte = 0x00;
+       data_in.bitpos = 0x80;
 
-       fn_5993c(&struct1, arr_59b7c);
+       data_out.pos = outbuf;
+       data_out.end = outbuf + len;
 
-#if 0
-       /* This seems to still be completely broken */
-       r3 = r7 + 0x20;
-       r5 = *((unsigned int*)r3);
+       lz_expand(&data_in, &data_out);
 
-       if ((ret = crc_check_59684(r7, r5, 0x46335053)) != 0) {
-               printf("crc_check return: %d\n", ret);
-               fn_59788(__func__);
-       }
-#endif
+       if (check_crc) {
+               unsigned int crclen;
+               int ret;
 
-       write_file((char*)name, r7, r5);
-       
-       free(r7);
-}
+               crclen = *((unsigned int*)(outbuf + 0x20));
 
-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;
-                       if (*j != 0x00)
-                               continue;
-                       printf("0x%02x: ", i);
-                       j--;
-                       while (j > fw) {
-                               if (*j == 0x00) {
-                                       if ( *(j+1) != '/') {
-                                               printf("ignoring...\n");
-                                               break;
-                                       }
-                                       printf("%s", j+1);
-                                       extract_lz_file(fw + i, j+1);
-                                       break;
-                               }
-                               j--;
-                       }
+               if ((ret = crc_check(outbuf, crclen, 0x46335053)) != 0) {
+                       printf("crc_check return: %d\n", ret);
+                       err_exit(__func__);
                }
        }
+       write_file(extracted_file((char*)name), outbuf, len);
+       
+       free(outbuf);
 }
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