234 lines
6.2 KiB
C++
234 lines
6.2 KiB
C++
//See $LK,"Install Documentation",A="FI:::/Doc/Install.TXT"$ or $LK,"Upgrading Documentation",A="FI:::/Doc/Upgrade.TXT"$.
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#help_index "Install"
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#define KERNEL_BIN_C "Kernel.BIN.C"
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#define BOOT_DIR "/0000Boot"
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#define BOOT_DIR_KERNEL_BIN_C BOOT_DIR "/0000" KERNEL_BIN_C
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//Stage 2 of master boot loader
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#define BOOT_DIR_BOOTMHD2_BIN_C BOOT_DIR "/BootMHD2.BIN.C"
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//Old master boot record
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#define BOOT_DIR_OLDMBR_BIN_C BOOT_DIR "/OldMBR.BIN.C"
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public U0 MakeAll()
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{//Use $LK,"MakeOSDrvBootInstall",A="MN:MakeOSDrvBootInstall"$. Loader must be patched.
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//These 2 modules (and bootloaders at top) are the only AOT
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//compiled code in TempleOS. Everything else is JIT.
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//You are doing it wrong if you make AOT compiled code.
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if (Cmp("/Compiler/Compiler","Compiler",,':'))
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throw;
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if (Cmp("/Kernel/Kernel","Kernel",,':'))
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throw;
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}
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public Bool MakeOSDrvBootInstall(U8 src_drv=0,U8 dst_drv=0)
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{// Does $LK,"MakeAll",A="MN:MakeAll"$ and installs new boot-loader.
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//Normally, you just supply a src_drv. It will compile
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//the code on that drive and update the boot sect.
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//If you are making a bootable CD-ROM, you supply a dst_drv.
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//See $LK,"::/Misc/MakeDistro.CPP"$
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//See $LK,"Install Documentation",A="FI:::/Doc/Install.TXT"$
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//Study my account examples my technique: $LK,"Cfg Strs",A="FL:::/Demo/AcctExample/TOSCfg.CPP,1"$, $LK,"Update Funs",A="FL:::/Demo/AcctExample/TOSDistro.CPP,1"$
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CBlkDev *bd;
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CDrv *dv;
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CFAT32Boot br;
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CDirEntry de;
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Bool result=FALSE;
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I64 i;
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try {
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if (!src_drv) src_drv=Drv2Let(Fs->cur_dv);
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if (!dst_drv) dst_drv=src_drv;
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if (!Drv(src_drv))
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throw;
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MakeAll;
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bd=Let2BlkDev(dst_drv);
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dv=Let2Drv (dst_drv);
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switch (bd->type) {
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case BDT_ATAPI:
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Move("/Kernel/Kernel.BIN.Z",BOOT_DIR_KERNEL_BIN_C);
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result=TRUE;
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break;
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case BDT_RAM:
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case BDT_ATA:
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Move("/Kernel/Kernel.BIN.Z","/" KERNEL_BIN_C);
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if (!FileFind("/" KERNEL_BIN_C,&de,FUF_JUST_FILES))
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"No Kernel.BIN.C\n";
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else {
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Free(de.full_name);
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"Modifying partition boot record.\n";
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RBlks(dv,&br,dv->base_offset,1);
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br.jump_and_nop[0]=OC_JMP_REL8;
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br.jump_and_nop[1]=offset(CFAT32Boot.code)-2;
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#assert offset(CFAT32Boot.code)>=offset(CRedSeaBoot.code)
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br.jump_and_nop[2]=OC_NOP;
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*BHD_BLK_CNT(U16 *)=(de.size+BLK_SIZE-1)>>BLK_SIZE_BITS;
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*BHD_DAP_BLK(I64 *)=Cluster2Blk(dv,de.cluster);
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for (i=0;i<BHD_END-BHD_CODE;i++)
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br.code[i]=BHD_CODE(U8 *)[i];
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#assert sizeof(CFAT32Boot.code)>=BHD_END-BHD_CODE
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for (;i<sizeof(CFAT32Boot.code);i++)
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br.code[i]=0;
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WBlks(dv,&br,dv->base_offset,1);
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result=TRUE;
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}
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break;
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}
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} catch {
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PutExcept;
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Beep;
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}
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return result;
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}
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public U0 MasterBootOldRead(U8 src_drv,U8 dst_drv)
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{//Reads MBR from disk drive containing src partition.
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//Writes a single blk file to dst BOOT_DIR.
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CBlkDev *bd=Let2BlkDev(src_drv);
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CDrv *dv;
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CMasterBoot mbr;
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Drv(dst_drv);
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dv=Fs->cur_dv;
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if (dv->type!=DVT_REDSEA && dv->type!=DVT_FAT32)
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PrintErr("Not RedSea Drv\n");
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else {
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//Bypass partition bounds-checking
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BlkDevLock(bd);
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ATAReadBlks(bd,&mbr,0,1);
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BlkDevUnlock(bd);
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Drv(dst_drv);
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MkDir(BOOT_DIR);
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FileWrite(BOOT_DIR_OLDMBR_BIN_C,&mbr,BLK_SIZE);
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}
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}
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public U0 MasterBootOldWrite(U8 src_drv,U8 dst_drv)
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{//Reads OldMBR from src drive BOOT_DIR.
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//writes it to the MBR of the drive with dst partition.
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CBlkDev *bd=Let2BlkDev(dst_drv);
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CMasterBoot *mbr;
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Drv(src_drv);
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if (mbr=FileRead(BOOT_DIR_OLDMBR_BIN_C)) {
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//Bypass partition bounds-checking
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BlkDevLock(bd);
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ATAWriteBlks(bd,mbr,0,1);
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BlkDevUnlock(bd);
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}
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Free(mbr);
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}
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public U0 MasterBootZero(U8 dst_drv)
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{//Set MBR of disk with dst partition to zero.
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//This is dangerous!!
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//The TempleOS partitioner doesn't play well
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//with other operating systems at this time and you need
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//to do this on a drive partitioned by TempleOS
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//if you wish to partition with another operating system.
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CBlkDev *bd=Let2BlkDev(dst_drv);
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CMasterBoot mbr;
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MemSet(&mbr,0,BLK_SIZE);
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//Bypass partition bounds-checking
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BlkDevLock(bd);
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ATAWriteBlks(bd,&mbr,0,1);
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BlkDevUnlock(bd);
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}
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public Bool MasterBootIntall(U8 drv_let,U8 *drv_lst=NULL)
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{//Create new MBR on the disk that has drv_let as a partition.
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//Puts stage 2 in BOOT_DIR of drv_let.
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CBlkDev *bd,*bd1;
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CDrv *dv,*p1;
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CMasterBoot mbr;
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CDirEntry de;
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I64 i,j,size,*_q;
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U8 *menu_ptr,*ptr,ch,buf[STR_LEN];
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Bool result=FALSE;
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try {
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if (drv_lst)
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StrCpy(buf,drv_lst);
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else {
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j=0;
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for (i='A';i<='Z';i++)
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buf[j++]=i;
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buf[j++]=0;
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}
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Drv(drv_let);
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dv=Fs->cur_dv;
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if (dv->type!=DVT_REDSEA && dv->type!=DVT_FAT32)
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PrintErr("Not RedSea Drv\n");
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else {
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bd=Let2BlkDev(drv_let);
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if (!FileFind(BOOT_DIR_OLDMBR_BIN_C,,FUF_JUST_FILES))
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MasterBootOldRead(drv_let,drv_let);
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_q=BMHD2_BLK_ARRAY;
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MemSet(_q,0,sizeof(I64)*8);
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menu_ptr=BMHD2_BOOT_MSG;
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StrPrint(menu_ptr,"\n\r\n\rTempleOS Boot Loader\n\r\n\r");
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j=0;
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if (FileFind(BOOT_DIR_OLDMBR_BIN_C,&de,FUF_JUST_FILES)) {
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Free(de.full_name);
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*_q++=Cluster2Blk(dv,de.cluster);
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CatPrint(menu_ptr,"0. Old Boot Record\n\r");
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j++;
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}
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ptr=buf;
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while (ch=*ptr++) {
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try {
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p1 =Let2Drv(ch);
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bd1=Let2BlkDev(ch);
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} catch {
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Fs->catch_except=TRUE;
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p1 =NULL;
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bd1=NULL;
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}
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if (p1 && bd1==bd) {
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*_q=p1->base_offset;
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"Drive %C:%16X\n",Drv2Let(p1),*_q;
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CatPrint(menu_ptr,"%d. Drive %C\n\r",j++,Drv2Let(p1));
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_q++;
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}
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}
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CatPrint(menu_ptr,"\n\rSelection:");
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size=BMHD2_END-BMHD2_START;
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FileWrite(BOOT_DIR_BOOTMHD2_BIN_C,BMHD2_START,size);
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if (!FileFind(BOOT_DIR_BOOTMHD2_BIN_C,&de,FUF_JUST_FILES))
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"No Boot Loader Image\n";
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else {
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Free(de.full_name);
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*BMHD_BLK_CNT(U16 *)=(size+BLK_SIZE-1)>>BLK_SIZE_BITS;
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*BMHD_DAP_BLK(I64 *)=Cluster2Blk(dv,de.cluster);
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//Bypass partition bounds-checking
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BlkDevLock(bd);
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ATAReadBlks(bd,&mbr,0,1);
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for (i=0;i<BMHD_END-BMHD_CODE;i++)
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mbr.code[i]=BMHD_CODE(U8 *)[i];
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#assert sizeof(CMasterBoot.code)>=BMHD_END-BMHD_CODE
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for (;i<sizeof(CMasterBoot.code);i++)
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mbr.code[i]=0;
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if (!mbr.media_id)
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mbr.media_id=RandU32;
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mbr.zero=0;
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mbr.signature=0xAA55;
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ATAWriteBlks(bd,&mbr,0,1);
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BlkDevUnlock(bd);
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result=TRUE;
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}
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}
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} catch
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PutExcept;
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return result;
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}
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