mirror of
https://github.com/Zeal-Operating-System/ZealOS.git
synced 2025-01-30 16:16:04 +00:00
249 lines
6.4 KiB
HolyC
Executable file
249 lines
6.4 KiB
HolyC
Executable file
U0 SysGlobalsInit()
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{
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I64 i,j;
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CRAXRBCRCXRDX regs;
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CPUId(0x1,®s);
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sys_cache_line_width=regs.rbx.u8[1]*8;
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sys_focus_task=Fs;
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QueueInit(&sys_macro_head);
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blkdev.default_iso_filename =ZStrNew(DEFAULT_ISO_FILENAME);
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blkdev.default_iso_c_filename =ZStrNew(DEFAULT_ISO_C_FILENAME);
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blkdev.tmp_filename =ZStrNew("~/Tmp.DD");
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blkdev.dvd_boot_is_good=TRUE;
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#exe {
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if (!kernel_config->mount_ide_auto_hd_let)
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kernel_config->mount_ide_auto_hd_let='C';
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if (!kernel_config->mount_ide_auto_cd_let)
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kernel_config->mount_ide_auto_cd_let='T';
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StreamPrint("blkdev.first_hd_drive_let=%d;",
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kernel_config->mount_ide_auto_hd_let);
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StreamPrint("blkdev.first_dvd_drive_let=%d;",
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kernel_config->mount_ide_auto_cd_let);
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}
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DebugMode(ON);
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rev_bits_table=CAlloc(256);
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set_bits_table=CAlloc(256);
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for (i=0;i<256;i++)
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for (j=0;j<8;j++) {
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if (Bt(&i,7-j)) LBts(rev_bits_table+i,j);
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if (Bt(&i,j)) set_bits_table[i]++;
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}
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ext=CAlloc(EXT_EXTS_NUM*sizeof(U8 *));
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fp_getstr2=&SysGetStr2;
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KeyDevInit;
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#exe {
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StreamPrint("blkdev.boot_drive_let='%C';",kernel_config->boot_drive_let);
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StreamPrint("#exe{Option(OPTf_WARN_PAREN,OFF);}");
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StreamPrint("DiskCacheInit(%s);",kernel_config->disk_cache_size_exp);
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StreamPrint("#exe{Option(OPTf_WARN_PAREN,ON);}");
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};
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pow10_I64=CAlloc(sizeof(F64)*(308+308+1));
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for (i=-308;i<309;i++)
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pow10_I64[i+309]=Pow10(i);
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QueueInit(&screencast.sound_head);
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screencast.t0_now=Now;
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screencast.t0_tS=tS;
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screencast.ona=screencast.sound_head.ona=0;
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ProgressBarsReset;
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QueueInit(&dev.pci_head);
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dev.mem64_ptr=mem_mapped_space;
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Seg2Linear(SYS_FONT_PTR);
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debug.fun_seg_cache=CAlloc(FUN_SEG_CACHE_SIZE*sizeof(CFunSegCache));
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debug.int_fault_code=IntFaultHandlersNew;
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}
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U0 SysGrInit()
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{
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I64 i, j;
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text.font = MAlloc(256 * 8); //256 U64s
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MemCopy(text.font, *SYS_FONT_PTR(U32), 256 * 8);
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for (i = 0; i < 256; i++)
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for (j = 0; j < 8; j++)
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text.font[i].u8[j] = rev_bits_table[text.font[i].u8[j]];
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text.aux_font=sys_font_std;
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text.font[' ' - 1] = text.aux_font[' ' - 1]; //Shift-space
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text.font[10] = text.aux_font[10]; //"Return" symbol
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text.font[255] = text.aux_font[255]; //auxillary block character
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text.border_chars[2] (I64)='<EFBFBD>ͳ<EFBFBD><EFBFBD>ɿ<EFBFBD>';
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text.border_chars[10](U32)='<EFBFBD><EFBFBD>ټ';
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text.vga_alias =dev.uncached_alias+VGAM_GRAPHICS;
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text.vga_text_alias =dev.uncached_alias+VGAM_TEXT;
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if (!Bt(&sys_run_level,RLf_VGA)) { //if text mode
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text.cols=80;
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text.rows=25;
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MemSet(text.vga_text_alias,0,text.rows*text.cols<<1);
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} else { //if 640x480 16 color
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text.cols=GR_WIDTH/FONT_WIDTH;
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text.rows=GR_HEIGHT/FONT_HEIGHT;
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OutU8(VGAP_IDX,VGAR_MAP_MASK);
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OutU8(VGAP_DATA,0x0F);
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MemSet(text.vga_alias,0,GR_WIDTH*GR_HEIGHT>>3);
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text.raw_screen_image=CAlloc(GR_WIDTH*GR_HEIGHT/8);
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}
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}
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U0 TimersInit()
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{
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I64 i,*_q;
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U32 *_d;
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OutU8(0x43,0x34);
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OutU8(0x40,SYS_TIMER0_PERIOD);
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OutU8(0x40,SYS_TIMER0_PERIOD>>8);
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//High Precision Event Timer
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if (PCIReadU16(0,31,0,0)==0x8086) {//Intel?
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//D31 F0, config 0xF0=RCBA of PCI-LPC Bridge
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_d=PCIReadU32(0,31,0,0xF0)(U8 *)&~0x3FFF+0x3404; //HPET config
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//7 enable
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//1:0 HPET is at 0xFED00000,0xFED01000, 0xFED02000 or 0xFED03000.
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*_d=*_d&3|0x80;
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}
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_q=dev.uncached_alias+HPET_GCAP_ID;
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i=*_q; //i.u32[1]= period in femtoS (10e-15)
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if (100000<i.u32[1]<1000000000) {
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counts.HPET_freq =1000000000000000/i.u32[1];
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counts.HPET_kHz_freq=1000000000000/i.u32[1];
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_q=dev.uncached_alias+HPET_GEN_CONF;
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*_q|=1; //Enable counting
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counts.HPET_initial=HPET;
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} else {
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counts.HPET_freq=0;
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counts.HPET_kHz_freq=0;
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counts.HPET_initial=0;
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}
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}
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U0 Reboot()
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{//Hardware reset.
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CLI
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if (mp_count>1)
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MPHalt;
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*0x472(U16 *)=0;
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OutU8(0x70,0x8F);
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OutU8(0x71,0x00);
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OutU8(0x70,0x00);
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OutU8(0x92,InU8(0x92)|1);
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SysHlt;
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}
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U0 KMain()
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{//Continued from $LK,"KStart64.CC",A="FF:::/Kernel/KStart64.CC,I32 &KMain"$
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CBlkDev *bd;
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OutU8(0x61,InU8(0x61)&~3); //Sound;
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zenith_task=Fs;
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BlkPoolsInit;
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SysGlobalsInit;
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Mem32DevInit;
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UncachedAliasAlloc;
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LoadKernel;
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SysGrInit;
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StrCopy(Fs->task_name,"Zenith Task CPU00");
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StrCopy(Fs->task_title,Fs->task_name);
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Fs->title_src=TTS_TASK_NAME;
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Fs->win_right=text.cols-2;
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Fs->win_top++;
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TaskDerivedValsUpdate;
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SysDefinesLoad;
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Core0Init;
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IntInit1;
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//Before this point use $LK,"Sound",A="MN:Sound"$() and $LK,"Busy",A="MN:Busy"$()
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//to debug. After this point, use $LK,"RawPrint",A="MN:RawPrint"$()
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LBts(&sys_run_level,RLf_RAW);
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"ZenithOS V%5.3f\t%D %T\n\n",
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sys_os_version,sys_compile_time,sys_compile_time;
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TimersInit;
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if (BIOSTotalMem<ToI64(0.95*MEM_MIN_MEG*0x100000))
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RawPrint(4000,"!!! Requires $TX,"512Meg",D="DD_MEM_MIN_MEG"$ of RAM Memory !!!");
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IntsInit;
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"Enable IRQ's\n";
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SetRFlags(RFLAGG_NORMAL);
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Busy(2000);
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IntInit2;
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LBts(&sys_run_level,RLf_INTERRUPTS);
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TimeCal;
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BlkDevsInitAll;
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"DiskChange(':');\n";
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DiskChange(':');
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#exe {
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StreamPrint("HomeSet(\"%s\");\n"
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"blkdev.ins_base0=%d;blkdev.ins_base1=%d;blkdev.ins_unit =%d;\n",
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kernel_config->home_dir,
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blkdev.ins_base0,blkdev.ins_base1,blkdev.ins_unit);
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}
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Gs->idle_task->cur_dv=blkdev.let_to_drive[*blkdev.home_dir-'A'];
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DriveRep;
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if (blkdev.dvd_boot_is_good) {
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bd=Letter2BlkDev(':');
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if (bd->type==BDT_ATAPI) {
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blkdev.ins_base0=bd->base0;
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blkdev.ins_base1=bd->base1;
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blkdev.ins_unit =bd->unit;
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}
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}
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LBts(&sys_run_level,RLf_BLKDEV);
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#exe {
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if (!kernel_config->opts[CONFIG_NO_MP])
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StreamPrint("\"MultiCore Start\\n\\n\";"
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"Core0StartMP;"
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"LBts(&sys_run_level,RLf_MP);");
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};
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KbdMouseInit;
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MouseInit;
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KbdInit;
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Spawn(&MouseHardDriverInstall);
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"Loading Compiler\n";
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Cd("/Compiler");
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Load("Compiler",LDF_SILENT);
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LBts(&sys_run_level,RLf_COMPILER);
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DebugMode(OFF);
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counts.time_stamp_freq_initial=TimeCal;
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Cd("/");
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try ExeFile("StartOS"); //Continues $LK,"/StartOS.CC",A="FL:/StartOS.CC,1"$
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catch {
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Raw(ON);
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Silent(OFF);
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GetOutOfDollar;
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PutExcept;
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Debug;
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}
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LBts(&sys_run_level,RLf_ZENITH_SERVER);
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ServerTaskCont; //Never to return
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}
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asm { ALIGN 16,OC_NOP
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SYS_KERNEL_END::
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#exe {
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if (kernel_config->opts[CONFIG_DEBUG_DISTRO])
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StreamPrint("DU8 0x%X-(SYS_KERNEL_END-SYS_KERNEL+"
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"BOOT_RAM_BASE+sizeof(CBinFile)) DUP (0);"
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"BINFILE \"%s\";",kernel_config->debug_distro_start,
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kernel_config->debug_distro_file);
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};
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}
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