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// Процедуры работы с таблицей разделов
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#include <stdio.h>
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#include <string.h>
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#include "ptable.h"
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//******************************************************
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//* поиск символического имени раздела по его коду
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//******************************************************
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void find_pname(unsigned int id,unsigned char* pname) {
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unsigned int j;
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struct {
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char name[20];
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int code;
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} pcodes[]={
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{"M3Boot",0x20000},
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{"M3Boot-ptable",0x10000},
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{"M3Boot_R11",0x200000},
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{"Ptable",0x10000},
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{"Fastboot",0x110000},
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{"Logo",0x130000},
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{"Kernel",0x30000},
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{"Kernel_R11",0x90000},
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{"VxWorks",0x40000},
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{"VxWorks_R11",0x220000},
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{"M3Image",0x50000},
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{"M3Image_R11",0x230000},
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{"DSP",0x60000},
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{"DSP_R11",0x240000},
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{"Nvdload",0x70000},
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{"Nvdload_R11",0x250000},
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{"Nvimg",0x80000},
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{"System",0x590000},
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{"System",0x100000},
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{"APP",0x570000},
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{"APP",0x5a0000},
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{"Oeminfo",0xa0000},
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{"CDROMISO",0xb0000},
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{"Oeminfo",0x550000},
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{"Oeminfo",0x510000},
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{"Oeminfo",0x1a0000},
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{"WEBUI",0x560000},
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{"WEBUI",0x5b0000},
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{"Wimaxcfg",0x170000},
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{"Wimaxcrf",0x180000},
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{"Userdata",0x190000},
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{"Online",0x1b0000},
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{"Online",0x5d0000},
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{"Online",0x5e0000},
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{0,0}
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};
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for(j=0;pcodes[j].code != 0;j++) {
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if(pcodes[j].code == id) break;
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}
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if (pcodes[j].code != 0) strcpy(pname,pcodes[j].name); // имя найдено - копируем его в структуру
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else sprintf(pname,"U%08x",id); // имя не найдено - подставляем псевдоимя Uxxxxxxxx в тупоконечном формате
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}
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//*******************************************************
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//* Поиск разделов в файле прошивки
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//*
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//* возвращает число найденных разделов
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//*******************************************************
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int findparts(FILE* in, struct ptb_t* ptable) {
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// Маркер начала заголовка раздела
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const unsigned int dpattern=0xa55aaa55;
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unsigned int i,npart=0;
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char buf[200];
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while (fread(&i,1,4,in) == 4) {
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if (i != dpattern) continue; // ищем разделитель
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// Выделяем параметры раздела
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ptable[npart].hdoffset=ftell(in); // позиция начала заголовка раздела
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fread(buf,1,96,in); // заголовок
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ptable[npart].hdsize=*((unsigned int*)&buf[0])-4; // размер заголовка
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ptable[npart].offset=ptable[npart].hdoffset+ptable[npart].hdsize; // смещение до тела раздела
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ptable[npart].size=*((unsigned int*)&buf[20]); // размер раздела
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ptable[npart].code=*((unsigned int*)&buf[16]); // тип раздела
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// Ищем символическое имя раздела по таблице
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find_pname(ptable[npart].code,ptable[npart].pname);
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// увеличиваем счетчик разделов
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npart++;
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}
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return npart;
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}
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