]> cvs.zerfleddert.de Git - rsbs2/blobdiff - rsb-lz.c
remove r5_crc variable
[rsbs2] / rsb-lz.c
index 64a1a471bde322ea43d6d68781dfa200f8fe56c3..ddd9a53ce0aa884cadbfc094a8a7d44876f98b9a 100644 (file)
--- a/rsb-lz.c
+++ b/rsb-lz.c
@@ -1,6 +1,109 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <strings.h>
+#include <string.h>
+#include <errno.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}
  * 59b7c:      14000410        strne   r0, [r0], #-1040
  * 59b80:      46335053        undefined
  */
+
+void fn_59560(unsigned int arg1)
+{
+       fprintf(stderr,"%s\n", __func__);
+}
+
+void fn_59578(unsigned int arg1, unsigned int arg2, unsigned int arg3, unsigned int arg4)
+{
+       fprintf(stderr,"%s\n", __func__);
+}
+
+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 int 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 int r1;
+       unsigned int 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;
+       do {
+               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;
+               }
+       } while (r6 != 0);
+
+       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 *data, unsigned int mem[])
+{
+       unsigned int r5;
+       unsigned int r2;
+       unsigned int r4;
+       unsigned int r6;
+       unsigned int r7;
+       unsigned int r11;
+       unsigned char arr_59b64[1024];
+
+       r5 = 1;
+
+       do {
+               do {
+                       r2 = fn_59848(data);
+                       printf("r2: 0x%x\n", r2);
+                       if (r2 == 0)
+                               break;
+
+                       r2 = fn_598b4(data, 8) & 0xff;
+                       r4 = r2;
+
+                       fn_5980c(r4, mem);
+                       arr_59b64[r5] = r4 & 0xff;
+                       r2 = r5 + 1;
+                       r2 = r2 << 22;
+                       r2 = r2 >> 22;
+                       r5 = r2;
+               } while(1);
+
+               r11 = fn_598b4(data, 0x0a);
+               if(r11 == 0)
+                       return;
+
+               r2 = fn_598b4(data, 0x04);
+               r7 = r2 + 1;
+               r6 = 0;
+               do {
+                       r2 = r6 + r11;
+                       r2 = r2 << 22;
+                       r2 = r2 >> 22;
+                       r4 = arr_59b64[r2];
+                       fn_5980c(r4, mem);
+                       arr_59b64[r5] = r4 & 0xff;
+                       r2 = r5 + 1;
+                       r2 = r2 << 22;
+                       r2 = r2 >> 22;
+                       r5 = r2;
+                       r6++;
+               } while(r6 <= r7);
+       } while(1);
+}
+
+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);
+
+       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 fn_59508()
+{
+       fprintf(stderr,"%s\n", __func__);
+}
+
+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];
+
+       r7 = malloc(1024*1024*1024);
+       r10 = r7 + (1024*1024*1024);
+
+       if (r7 == NULL) {
+               perror("malloc");
+               exit(1);
+       }
+
+       fn_59578(0, 0, 0x3f, 0x33);
+       fn_59578(4, 0x10000000, 0x33, 0x366);
+       fn_59578(5, 0x14000000, 0x1b, 0x733);
+       fn_59578(7, 0xc0000000, 0x3b, 0x33);
+       fn_59560(0x1005);
+
+       if (*((unsigned int*)r11) != LZ_MAGIC)
+               fn_59788(__func__);
+
+       r3 = r11 + 4;
+       r5 = *((unsigned int*)r3);
+       printf(", Length: %d\n", 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);
+
+       r3 = r7 + 0x20;
+       r5 = *((unsigned int*)r3);
+
+       if (crc_check_59684(r7, r5, 0x46335053) != 0)
+               fn_59788(__func__);
+       
+       fn_59508();
+
+       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;
+                       if (*j != 0x00)
+                               continue;
+                       printf("0x%02x: ", i);
+                       j--;
+                       while (j > fw) {
+                               if (*j == 0x00) {
+                                       printf("%s", j+1);
+                                       extract_lz_file(fw + i, j+1);
+                                       break;
+                               }
+                               j--;
+                       }
+                       printf("\n");
+               }
+       }
+}
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