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Go Back   GSM-Forum > GSM Mobile / Tablets Brands -Software Area- > Various > Siemens-Benq > Siemens-Benq Flash Patching > x4x, x5x Flashpatching

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Old 10-24-2005, 18:48   #1 (permalink)
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SLIKv56: What is PMM1 ?

I just found on a russian site this patch:

Code:
;*** PMM1. Patch Memory Manager v1 *** (C)Rst7/CBSIE
;*** PMM1. Менеджер памяти для патчей *** 
;Создает функции:
; struct VARS far * GetVars(const struct PVARD far *p) at 0xE47D10
; void FreeVars(const struct PVARD far *p) at 0xE47D14
;
; Нахрен это надо - см. http://forum.oslik.ru/viewtopic.php?t=4355
;
; Исходник на cbsie.narod.ru
;
0x447D00: FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF 2A2A2A2A20504D4D207631202A2A2A2A
0x447D10: FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF FAE4187DFAE42C7E8890888088708860
0x447D20: FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF F07DF06CDAC18E97DC57D4D60200A8C6
0x447D30: FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DC5D98ECA8FCDC5FD48E0400D49E0600
0x447D40: FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF F0C89AFC01002881F0C970C82D2CDC49
0x447D50: FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF A9289AF12200DC49D4C80400DC47D4D6
0x447D60: FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF 040040CD3D1ADC59D4C80600D4D80800
0x447D70: FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DC57D4E60600D4F6080020CE30DF3D0D
0x447D80: FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DC59D4C80A00D4D80C00DC57D4E60A00
0x447D90: FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF D4F60C0020CE30DF2D3EF0C8F0D9DC5D
0x447DA0: FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF 988CA89C0DCDDC57D4D60200A8C6F0EC
0x447DB0: FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF F0FDDC5F98CEA8DEDC47D4E6040006FE
0x447DC0: FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF 0A80DAC1D8BCF084F0952884DC47D4C6
0x447DD0: FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF 0400DC49C4C80400DC57D4C60600D4D6
0x447DE0: FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF 0800DC59C4C80600C4D80800DC57D4C6
0x447DF0: FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF 0A00D4D60C00DC59C4C80A00C4D80C00
0x447E00: FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF F0C8F0D906FC0E00E6FE0000DC47D4F6
0x447E10: FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF 0400DAC71684DAC19897F048F05906F4
0x447E20: FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF 0E009860987098809890DB0088908880
0x447E30: FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF 88708860F06CF07DDAE4187DF084F095
0x447E40: FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF 26F80A00DAC18E97DC5798C6A8D6F06C
0x447E50: FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF F07DDC5798C6A8D6F0E8F0F9DAC178BE
0x447E60: FFFFFFFFFFFFFFFFFFFFFFFFFFFF DAC198979860987098809890DB00
Can someone tell me what the patch in doing ?
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Old 10-24-2005, 19:14   #2 (permalink)
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It is a for correct distribution memory for patches from Heap
while not using =)
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Old 10-25-2005, 11:23   #3 (permalink)
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How to call and why? Is there an advantage for future patches / binaries?
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Old 10-25-2005, 11:52   #4 (permalink)
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http://forum.oslik.ru/viewtopic.php?t=4355&start=45
see code
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Old 10-25-2005, 13:59   #5 (permalink)
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@Seklth: Thanks, but I am not allowed to enter the forum oslik.ru. Is it possible to give us a copy or the code here as a posting?
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Old 10-25-2005, 14:10   #6 (permalink)
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I think this is the source:
Code:
#define _AllHeapsPointers 039DCEh
_VARD   LABEL   WORD
DPPTR   (_AllHeapsPointers+24) ; Это указатель на то, какая куча будет пользоваться, в частности FarHeap8
DW   106 ; Сколько байт мозга нам надо
DB   'PatchNam' ; Уникальное имя
;Смещения переменных от начала буфера
Var1 equ 0 ; Переменная 1 - 2 байта
Var2 equ 2 ; Переменная 2 - 100 байт
Var3 equ 102 ; Переменная 3 - 4 байта
my_str: db 'Upor!',0
......
Теперь функция
Foo1:
MOV   R12,#POF _VARD
MOV   R13,#PAG _VARD
CALLS   SEG _GetVars,_GetVars
MOV   R8,R4
MOV   R9,R5
; Теперь в R8/R9 - указатель на нашу память, после первого обращения она прочистится нулями.
EXTP   #1,R9
MOV   [R8+#Var1],#1234 ; Теперь переменная Var1=1
MOV   R14,#POF(my_str)
MOV   R15,#PAG(my_str) ; R14/R15 - откуда
MOV   R12,R8
ADD   R12,#Var2
MOV   R13,R9 ; R12/R13 - куда
CALLS      strcpy ; Копируем строку из ROM в нашу память
; А теперь вызываем процедуру в контексте файловой системы
mov R12,SOF(DoFileWrite)
mov R13,SEG(DoFileWrite)
calls FilesysICall
rets
filename: db 'A:\file.file',0
DoFileWrite:
MOV   [-R0],R9
MOV   [-R0],R8
MOV   [-R0],R6
MOV   R12,#POF _VARD
MOV   R13,#PAG _VARD
CALLS   SEG _GetVars,_GetVars ; Это наши переменные
MOV   R8,R4
MOV   R9,R5
MOV   R12,#POF filename
MOV   R13,#PAG filename
MOV   R14,#010Ah
MOV   R15,#0100h
CALLS   SEG _FileOpen,_FileOpen ; Открываем файл для дописывания
MOV   R6,R4
CMP   R6,#0FFFFh
JMPR   cc_EQ,_35 ; Если не срослось с файлом - нахуй
MOV   R12,R8
MOV   R13,R9
ADD   R12,#Var2 ; Это наша переменная Var2
CALLS   SEG _strlen,_strlen ; Получаем длину строки
MOV   R15,R4
MOV   R12,R6
MOV   R13,R8
MOV   R14,R9
ADD   R13,#Var2
CALLS   SEG _FileWrite,_FileWrite ; И пишем в файл Var2
MOV   R12,R6
CALLS   SEG _FileClose,_FileClose ; Закрываем
_35:
MOV   R12,#POF _VARD
MOV   R13,#PAG _VARD
CALLS   SEG _FreeVars,_FreeVars ; Например, освобождаем переменные
MOV   R6,[R0+]
MOV   R8,[R0+]
MOV   R9,[R0+]
RETS
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