boot/freeldr/freeldr/arch/i386/i386bug.c

   1
   2 #include <freeldr.h>
   3
   4 #include <debug.h>
   5
   6 typedef struct _FRAME
   7 {
   8     struct _FRAME *Next;
   9     void *Address;
  10 } FRAME;
  11
  12 static const CHAR *i386ExceptionDescriptionText[] =
  13 {
  14     "Exception 00: DIVIDE BY ZERO\n\n",
  15     "Exception 01: DEBUG EXCEPTION\n\n",
  16     "Exception 02: NON-MASKABLE INTERRUPT EXCEPTION\n\n",
  17     "Exception 03: BREAKPOINT (INT 3)\n\n",
  18     "Exception 04: OVERFLOW\n\n",
  19     "Exception 05: BOUND EXCEPTION\n\n",
  20     "Exception 06: INVALID OPCODE\n\n",
  21     "Exception 07: FPU NOT AVAILABLE\n\n",
  22     "Exception 08: DOUBLE FAULT\n\n",
  23     "Exception 09: COPROCESSOR SEGMENT OVERRUN\n\n",
  24     "Exception 0A: INVALID TSS\n\n",
  25     "Exception 0B: SEGMENT NOT PRESENT\n\n",
  26     "Exception 0C: STACK EXCEPTION\n\n",
  27     "Exception 0D: GENERAL PROTECTION FAULT\n\n",
  28     "Exception 0E: PAGE FAULT\n\n",
  29     "Exception 0F: Reserved\n\n",
  30     "Exception 10: COPROCESSOR ERROR\n\n",
  31     "Exception 11: ALIGNMENT CHECK\n\n",
  32     "Exception 12: MACHINE CHECK\n\n"
  33 };
  34
  35 #define SCREEN_ATTR 0x1F    // Bright white on blue background
  36
  37 /* Used to store the current X and Y position on the screen */
  38 static ULONG i386_ScreenPosX = 0;
  39 static ULONG i386_ScreenPosY = 0;
  40
  41 #if 0
  42 static void
  43 i386PrintChar(CHAR chr, ULONG x, ULONG y)
  44 {
  45     MachVideoPutChar(chr, SCREEN_ATTR, x, y);
  46 }
  47 #endif
  48
  49 static void
  50 i386PrintText(CHAR *pszText)
  51 {
  52     ULONG Width, Unused;
  53
  54     MachVideoGetDisplaySize(&Width, &Unused, &Unused);
  55
  56     for (; *pszText != ANSI_NULL; ++pszText)
  57     {
  58         if (*pszText == '\n')
  59         {
  60             i386_ScreenPosX = 0;
  61             ++i386_ScreenPosY;
  62             continue;
  63         }
  64
  65         MachVideoPutChar(*pszText, SCREEN_ATTR, i386_ScreenPosX, i386_ScreenPosY);
  66         if (++i386_ScreenPosX >= Width)
  67         {
  68             i386_ScreenPosX = 0;
  69             ++i386_ScreenPosY;
  70         }
  71     // FIXME: Implement vertical screen scrolling if we are at the end of the screen.
  72     }
  73 }
  74
  75 static void
  76 PrintTextV(const CHAR *Format, va_list args)
  77 {
  78     CHAR Buffer[512];
  79
  80     _vsnprintf(Buffer, sizeof(Buffer), Format, args);
  81     Buffer[sizeof(Buffer) - 1] = ANSI_NULL;
  82
  83     i386PrintText(Buffer);
  84 }
  85
  86 static void
  87 PrintText(const CHAR *Format, ...)
  88 {
  89     va_list argptr;
  90
  91     va_start(argptr, Format);
  92     PrintTextV(Format, argptr);
  93     va_end(argptr);
  94 }
  95
  96 static void
  97 i386PrintFrames(PKTRAP_FRAME TrapFrame)
  98 {
  99     FRAME *Frame;
 100
 101     PrintText("Frames:\n");
 102 #ifdef _M_IX86
 103     for (Frame = (FRAME*)TrapFrame->Ebp;
 104          Frame != 0 && (ULONG_PTR)Frame < STACKADDR;
 105          Frame = Frame->Next)
 106 #else
 107     for (Frame = (FRAME*)TrapFrame->TrapFrame;
 108          Frame != 0 && (ULONG_PTR)Frame < STACKADDR;
 109          Frame = Frame->Next)
 110 #endif
 111     {
 112         PrintText("%p  ", Frame->Address);
 113     }
 114 }
 115
 116 void
 117 NTAPI
 118 i386PrintExceptionText(ULONG TrapIndex, PKTRAP_FRAME TrapFrame, PKSPECIAL_REGISTERS Special)
 119 {
 120     PUCHAR InstructionPointer;
 121
 122     MachVideoHideShowTextCursor(FALSE);
 123     MachVideoClearScreen(SCREEN_ATTR);
 124     i386_ScreenPosX = 0;
 125     i386_ScreenPosY = 0;
 126
 127     PrintText("An error occured in " VERSION "\n"
 128               "Report this error on the ReactOS Bug Tracker: https://jira.reactos.org\n\n"
 129               "0x%02lx: %s\n", TrapIndex, i386ExceptionDescriptionText[TrapIndex]);
 130 #ifdef _M_IX86
 131     PrintText("EAX: %.8lx        ESP: %.8lx        CR0: %.8lx        DR0: %.8lx\n",
 132               TrapFrame->Eax, TrapFrame->HardwareEsp, Special->Cr0, TrapFrame->Dr0);
 133     PrintText("EBX: %.8lx        EBP: %.8lx        CR1: ????????        DR1: %.8lx\n",
 134               TrapFrame->Ebx, TrapFrame->Ebp, TrapFrame->Dr1);
 135     PrintText("ECX: %.8lx        ESI: %.8lx        CR2: %.8lx        DR2: %.8lx\n",
 136               TrapFrame->Ecx, TrapFrame->Esi, Special->Cr2, TrapFrame->Dr2);
 137     PrintText("EDX: %.8lx        EDI: %.8lx        CR3: %.8lx        DR3: %.8lx\n",
 138               TrapFrame->Edx, TrapFrame->Edi, Special->Cr3, TrapFrame->Dr3);
 139     PrintText("                                                               DR6: %.8lx\n",
 140               TrapFrame->Dr6);
 141     PrintText("                                                               DR7: %.8lx\n\n",
 142               TrapFrame->Dr7);
 143     PrintText("CS: %.4lx        EIP: %.8lx\n",
 144               TrapFrame->SegCs, TrapFrame->Eip);
 145     PrintText("DS: %.4lx        ERROR CODE: %.8lx\n",
 146               TrapFrame->SegDs, TrapFrame->ErrCode);
 147     PrintText("ES: %.4lx        EFLAGS: %.8lx\n",
 148               TrapFrame->SegEs, TrapFrame->EFlags);
 149     PrintText("FS: %.4lx        GDTR Base: %.8lx Limit: %.4x\n",
 150               TrapFrame->SegFs, Special->Gdtr.Base, Special->Gdtr.Limit);
 151     PrintText("GS: %.4lx        IDTR Base: %.8lx Limit: %.4x\n",
 152               TrapFrame->SegGs, Special->Idtr.Base, Special->Idtr.Limit);
 153     PrintText("SS: %.4lx        LDTR: %.4lx TR: %.4lx\n\n",
 154               TrapFrame->HardwareSegSs, Special->Ldtr, Special->Idtr.Limit);
 155
 156     i386PrintFrames(TrapFrame);                        // Display frames
 157     InstructionPointer = (PUCHAR)TrapFrame->Eip;
 158 #else
 159     PrintText("RAX: %.8lx        R8:  %.8lx        R12: %.8lx        RSI: %.8lx\n",
 160               TrapFrame->Rax, TrapFrame->R8, 0, TrapFrame->Rsi);
 161     PrintText("RBX: %.8lx        R9:  %.8lx        R13: %.8lx        RDI: %.8lx\n",
 162               TrapFrame->Rbx, TrapFrame->R9, 0, TrapFrame->Rdi);
 163     PrintText("RCX: %.8lx        R10: %.8lx        R14: %.8lx        RBP: %.8lx\n",
 164               TrapFrame->Rcx, TrapFrame->R10, 0, TrapFrame->Rbp);
 165     PrintText("RDX: %.8lx        R11: %.8lx        R15: %.8lx        RSP: %.8lx\n",
 166               TrapFrame->Rdx, TrapFrame->R11, 0, TrapFrame->Rsp);
 167
 168     PrintText("CS: %.4lx        RIP: %.8lx\n",
 169               TrapFrame->SegCs, TrapFrame->Rip);
 170     PrintText("DS: %.4lx        ERROR CODE: %.8lx\n",
 171               TrapFrame->SegDs, TrapFrame->ErrorCode);
 172     PrintText("ES: %.4lx        EFLAGS: %.8lx\n",
 173               TrapFrame->SegEs, TrapFrame->EFlags);
 174     PrintText("FS: %.4lx        GDTR Base: %.8lx Limit: %.4x\n",
 175               TrapFrame->SegFs, Special->Gdtr.Base, Special->Gdtr.Limit);
 176     PrintText("GS: %.4lx        IDTR Base: %.8lx Limit: %.4x\n",
 177               TrapFrame->SegGs, Special->Idtr.Base, Special->Idtr.Limit);
 178     PrintText("SS: %.4lx        LDTR: %.4lx TR: %.4lx\n\n",
 179               TrapFrame->SegSs, Special->Ldtr, Special->Idtr.Limit);
 180     InstructionPointer = (PUCHAR)TrapFrame->Rip;
 181 #endif
 182     PrintText("\nInstruction stream: %.2x %.2x %.2x %.2x %.2x %.2x %.2x %.2x \n",
 183               InstructionPointer[0], InstructionPointer[1],
 184               InstructionPointer[2], InstructionPointer[3],
 185               InstructionPointer[4], InstructionPointer[5],
 186               InstructionPointer[6], InstructionPointer[7]);
 187 }
 188
 189 VOID
 190 FrLdrBugCheckWithMessage(
 191     ULONG BugCode,
 192     PCHAR File,
 193     ULONG Line,
 194     PSTR Format,
 195     ...)
 196 {
 197     va_list argptr;
 198
 199     MachVideoHideShowTextCursor(FALSE);
 200     MachVideoClearScreen(SCREEN_ATTR);
 201     i386_ScreenPosX = 0;
 202     i386_ScreenPosY = 0;
 203
 204     PrintText("A problem has been detected and FreeLoader boot has been aborted.\n\n");
 205
 206     PrintText("%ld: %s\n\n", BugCode, BugCodeStrings[BugCode]);
 207
 208     if (File)
 209     {
 210         PrintText("Location: %s:%ld\n\n", File, Line);
 211     }
 212
 213     va_start(argptr, Format);
 214     PrintTextV(Format, argptr);
 215     va_end(argptr);
 216
 217     _disable();
 218     __halt();
 219     for (;;);
 220 }
 221
 222 void
 223 NTAPI
 224 FrLdrBugCheckEx(
 225     ULONG BugCode,
 226     PCHAR File,
 227     ULONG Line)
 228 {
 229     MachVideoHideShowTextCursor(FALSE);
 230     MachVideoClearScreen(SCREEN_ATTR);
 231     i386_ScreenPosX = 0;
 232     i386_ScreenPosY = 0;
 233
 234     PrintText("A problem has been detected and FreeLoader boot has been aborted.\n\n");
 235
 236     PrintText("%ld: %s\n\n", BugCode, BugCodeStrings[BugCode]);
 237
 238     if (File)
 239     {
 240         PrintText("Location: %s:%ld\n\n", File, Line);
 241     }
 242
 243     PrintText("Bug Information:\n    %p\n    %p\n    %p\n    %p\n    %p\n\n",
 244               BugCheckInfo[0], BugCheckInfo[1], BugCheckInfo[2], BugCheckInfo[3], BugCheckInfo[4]);
 245
 246     _disable();
 247     __halt();
 248     for (;;);
 249 }
 250
 251 void
 252 NTAPI
 253 FrLdrBugCheck(ULONG BugCode)
 254 {
 255     FrLdrBugCheckEx(BugCode, 0, 0);
 256 }