Creating Asm Поделиться Опции

[bill_kevin]

Someone can explain me how create correctly my own asm to "port patch"??


I create this asm, patch code code is properly analyzed?

original patch:

Spoiler:

CODE

[patch_info]
sw_ver=r4513_g_08.b7.acr_rb
description=

[patch_code]
0035a1a6: 0000e59f0054e5d03000e35300011a000001e3a03e07ea000000e1a0300eea1e163ce92d4005e59f0030e3a02001e5c02000e8bd4005e3a01023e12fff1ee92d4005e59f0014e3a02000e5c02000e8bd4005e35000011a0dfacbea0dfa8a124efb90
006d8c28: ebf2056d
006d8c34: ebf20563
00adfab8: eae1e9ba

[close]

l7 sw_ver=r4513_g_08.b7.acr_rb to E398 sw_ver=r373_g_0e.30.dar

Spoiler:

CODE

code32    
    .start 0x1026fefe;0x103ec1a6
;dcb    0
;dcb    0
        nop
_loc_103ec1a8:
        ldr    r0, _off_103ec204
        ldrb    r3, [r0]
        cmp    r3, #1
        bne    _loc_103ec1c0
        mov    r3, #0x70
        b    _loc_103ec1c4

_loc_103ec1c0:                
        mov    r3, lr

_loc_103ec1c4:                
        bl    0x10814cec;0x10b71abc

_sub_103ec1c8:                
        stmfd    sp!, {r0,r2,lr}
        ldr    r0, _off_103ec204
        mov    r2, #1
        strb    r2, [r0]
        ldmfd    sp!, {r0,r2,lr}
        mov    r1, #0x23
        bx    lr
        
_sub_103ec1e4:
arg_0           =  0
arg_8           =  8
arg_10          =  0x10

        stmfd    sp!, {r0,r2,lr}
        ldr    r0, _off_103ec204
        mov    r2, #0
        strb    r2, [r0]
        ldmfd    sp!, {r0,r2,lr}
        cmp    r0, #1
        bne    0x10831024;0x1076ad30
        b    0x10830f24;0x1076ac30

;_off_103ec204    dcd 0x124efb90        



_off_103ec204 :                        ; data xref: rom:loc_103ec1a8r
                                         ; sub_103ec1c8+4r ...
                       asr     r6, r1, #9
                         dcb 0xfb; №
                         dcb 0x90; Й


.start 0x10830f1c;0x1076ac28
        bl    _sub_103ec1e4
        
.start 0x10830f28;0x1076ac34
        bl    _sub_103ec1c8

.start 0x10814ce8;0x10b71ab8
        bl    _loc_103ec1a8

[close]

and finally how to compile the Asm?

Thank you For your Help

Сообщение отредактировал bill_kevin - 9.9.2011, 6:32

[bill_kevin]

Finally i can create asm in binedit but i have a problem

how port this address??
dcd 0x143c21f4 ;what is this, how port?

CODE

code32
.start 0x1037f1c8
    b    loc_10599eac    
loc_1037f1cc:

.start 0x103e7978
    bl    off_10599ecc    

.start 0x103e79b0
    bl    off_10599ee8    

.start 0x10599eac
loc_10599eac:    
    ldr    r0=#0x143c21f4    
    ldrb    r3,[r0]    
    cmp    r3, #0x1    
    bne    loc_10599ec4    
    mov    r3, #0x70    
    b    loc_10599ec8    
loc_10599ec4:    
    mov    r3, lr    
loc_10599ec8:    
    b    loc_1037f1cc    

off_10599ecc:    
    stmfd    sp!, {r0,r2,lr}    
    ldr    r0=#0x143c21f4;load after r0 from address0x10599f08 (0x143c21f4)
    mov    r2, #0x1    
    strb    r2,[r0]
    ldmfd    sp!, {r0,r2,lr}    
    mov    r1, #0x23    
    bx    lr    

off_10599ee8:    
    stmfd    sp!, {r0,r2,lr}    
    ldr    r0=#0x143c21f4    
    mov    r2, #0x0    
    strb    r2,[r0]    
    ldmfd    sp!, {r0,r2,lr}    
    cmp    r0, #0x1    
    bne    0x103e7acc    
    b    0x103e79b8    
    dcd    0x143c21f4;what is this, how port?

Сообщение отредактировал bill_kevin - 13.9.2011, 7:39