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

   1
   2 #include <freeldr.h>
   3
   4 #define NDEBUG
   5 #include <debug.h>
   6
   7 typedef struct _FRAME
   8 {
   9     struct _FRAME *Next;
  10     void *Address;
  11 } FRAME;
  12
  13 char *i386ExceptionDescriptionText[] =
  14 {
  15     "Exception 00: DIVIDE BY ZERO\n\n",
  16     "Exception 01: DEBUG EXCEPTION\n\n",
  17     "Exception 02: NON-MASKABLE INTERRUPT EXCEPTION\n\n",
  18     "Exception 03: BREAKPOINT (INT 3)\n\n",
  19     "Exception 04: OVERFLOW\n\n",
  20     "Exception 05: BOUND EXCEPTION\n\n",
  21     "Exception 06: INVALID OPCODE\n\n",
  22     "Exception 07: FPU NOT AVAILABLE\n\n",
  23     "Exception 08: DOUBLE FAULT\n\n",
  24     "Exception 09: COPROCESSOR SEGMENT OVERRUN\n\n",
  25     "Exception 0A: INVALID TSS\n\n",
  26     "Exception 0B: SEGMENT NOT PRESENT\n\n",
  27     "Exception 0C: STACK EXCEPTION\n\n",
  28     "Exception 0D: GENERAL PROTECTION FAULT\n\n",
  29     "Exception 0E: PAGE FAULT\n\n",
  30     "Exception 0F: Reserved\n\n",
  31     "Exception 10: COPROCESSOR ERROR\n\n",
  32     "Exception 11: ALIGNMENT CHECK\n\n",
  33     "Exception 12: MACHINE CHECK\n\n"
  34 };
  35
  36 #define SCREEN_ATTR 0x1F    // Bright white on blue background
  37
  38 #if 0
  39 static void
  40 i386PrintChar(char chr, ULONG x, ULONG y)
  41 {
  42     MachVideoPutChar(chr, SCREEN_ATTR, x, y);
  43 }
  44 #endif
  45
  46 /* Used to store the current X and Y position on the screen */
  47 ULONG i386_ScreenPosX = 0;
  48 ULONG i386_ScreenPosY = 0;
  49
  50 static void
  51 i386PrintText(char *pszText)
  52 {
  53     char chr;
  54     while (1)
  55     {
  56         chr = *pszText++;
  57
  58         if (chr == 0) break;
  59         if (chr == '\n')
  60         {
  61             i386_ScreenPosY++;
  62             i386_ScreenPosX = 0;
  63             continue;
  64         }
  65
  66         MachVideoPutChar(chr, SCREEN_ATTR, i386_ScreenPosX, i386_ScreenPosY);
  67         i386_ScreenPosX++;
  68     }
  69 }
  70
  71 static void
  72 PrintText(const char *format, ...)
  73 {
  74     va_list argptr;
  75     char buffer[256];
  76
  77     va_start(argptr, format);
  78     _vsnprintf(buffer, sizeof(buffer), format, argptr);
  79     buffer[sizeof(buffer) - 1] = 0;
  80     va_end(argptr);
  81     i386PrintText(buffer);
  82 }
  83
  84 static void
  85 i386PrintFrames(PKTRAP_FRAME TrapFrame)
  86 {
  87     FRAME *Frame;
  88
  89     PrintText("Frames:\n");
  90 #ifdef _M_IX86
  91     for (Frame = (FRAME*)TrapFrame->Ebp;
  92          Frame != 0 && (ULONG_PTR)Frame < STACKADDR;
  93          Frame = Frame->Next)
  94 #else
  95     for (Frame = (FRAME*)TrapFrame->TrapFrame;
  96          Frame != 0 && (ULONG_PTR)Frame < STACKADDR;
  97          Frame = Frame->Next)
  98 #endif
  99     {
 100         PrintText("%p  ", Frame->Address);
 101     }
 102 }
 103
 104 void
 105 NTAPI
 106 i386PrintExceptionText(ULONG TrapIndex, PKTRAP_FRAME TrapFrame, PKSPECIAL_REGISTERS Special)
 107 {
 108     PUCHAR InstructionPointer;
 109
 110     MachVideoHideShowTextCursor(FALSE);
 111     MachVideoClearScreen(SCREEN_ATTR);
 112     i386_ScreenPosX = 0;
 113     i386_ScreenPosY = 0;
 114
 115     PrintText("An error occured in " VERSION "\n"
 116               "Report this error to the ReactOS Development mailing list <ros-dev@reactos.org>\n\n"
 117               "0x%02lx: %s\n", TrapIndex, i386ExceptionDescriptionText[TrapIndex]);
 118 #ifdef _M_IX86
 119     PrintText("EAX: %.8lx        ESP: %.8lx        CR0: %.8lx        DR0: %.8lx\n",
 120               TrapFrame->Eax, TrapFrame->HardwareEsp, Special->Cr0, TrapFrame->Dr0);
 121     PrintText("EBX: %.8lx        EBP: %.8lx        CR1: ????????        DR1: %.8lx\n",
 122               TrapFrame->Ebx, TrapFrame->Ebp, TrapFrame->Dr1);
 123     PrintText("ECX: %.8lx        ESI: %.8lx        CR2: %.8lx        DR2: %.8lx\n",
 124               TrapFrame->Ecx, TrapFrame->Esi, Special->Cr2, TrapFrame->Dr2);
 125     PrintText("EDX: %.8lx        EDI: %.8lx        CR3: %.8lx        DR3: %.8lx\n",
 126               TrapFrame->Edx, TrapFrame->Edi, Special->Cr3, TrapFrame->Dr3);
 127     PrintText("                                                               DR6: %.8lx\n",
 128               TrapFrame->Dr6);
 129     PrintText("                                                               DR7: %.8lx\n\n",
 130               TrapFrame->Dr7);
 131     PrintText("CS: %.4lx        EIP: %.8lx\n",
 132               TrapFrame->SegCs, TrapFrame->Eip);
 133     PrintText("DS: %.4lx        ERROR CODE: %.8lx\n",
 134               TrapFrame->SegDs, TrapFrame->ErrCode);
 135     PrintText("ES: %.4lx        EFLAGS: %.8lx\n",
 136               TrapFrame->SegEs, TrapFrame->EFlags);
 137     PrintText("FS: %.4lx        GDTR Base: %.8lx Limit: %.4x\n",
 138               TrapFrame->SegFs, Special->Gdtr.Base, Special->Gdtr.Limit);
 139     PrintText("GS: %.4lx        IDTR Base: %.8lx Limit: %.4x\n",
 140               TrapFrame->SegGs, Special->Idtr.Base, Special->Idtr.Limit);
 141     PrintText("SS: %.4lx        LDTR: %.4lx TR: %.4lx\n\n",
 142               TrapFrame->HardwareSegSs, Special->Ldtr, Special->Idtr.Limit);
 143
 144     i386PrintFrames(TrapFrame);                        // Display frames
 145     InstructionPointer = (PUCHAR)TrapFrame->Eip;
 146 #else
 147     PrintText("RAX: %.8lx        R8:  %.8lx        R12: %.8lx        RSI: %.8lx\n",
 148               TrapFrame->Rax, TrapFrame->R8, 0, TrapFrame->Rsi);
 149     PrintText("RBX: %.8lx        R9:  %.8lx        R13: %.8lx        RDI: %.8lx\n",
 150               TrapFrame->Rbx, TrapFrame->R9, 0, TrapFrame->Rdi);
 151     PrintText("RCX: %.8lx        R10: %.8lx        R14: %.8lx        RBP: %.8lx\n",
 152               TrapFrame->Rcx, TrapFrame->R10, 0, TrapFrame->Rbp);
 153     PrintText("RDX: %.8lx        R11: %.8lx        R15: %.8lx        RSP: %.8lx\n",
 154               TrapFrame->Rdx, TrapFrame->R11, 0, TrapFrame->Rsp);
 155
 156     PrintText("CS: %.4lx        RIP: %.8lx\n",
 157               TrapFrame->SegCs, TrapFrame->Rip);
 158     PrintText("DS: %.4lx        ERROR CODE: %.8lx\n",
 159               TrapFrame->SegDs, TrapFrame->ErrorCode);
 160     PrintText("ES: %.4lx        EFLAGS: %.8lx\n",
 161               TrapFrame->SegEs, TrapFrame->EFlags);
 162     PrintText("FS: %.4lx        GDTR Base: %.8lx Limit: %.4x\n",
 163               TrapFrame->SegFs, Special->Gdtr.Base, Special->Gdtr.Limit);
 164     PrintText("GS: %.4lx        IDTR Base: %.8lx Limit: %.4x\n",
 165               TrapFrame->SegGs, Special->Idtr.Base, Special->Idtr.Limit);
 166     PrintText("SS: %.4lx        LDTR: %.4lx TR: %.4lx\n\n",
 167               TrapFrame->SegSs, Special->Ldtr, Special->Idtr.Limit);
 168     InstructionPointer = (PUCHAR)TrapFrame->Rip;
 169 #endif
 170     PrintText("\nInstruction stream: %.2x %.2x %.2x %.2x %.2x %.2x %.2x %.2x \n",
 171               InstructionPointer[0], InstructionPointer[1],
 172               InstructionPointer[2], InstructionPointer[3],
 173               InstructionPointer[4], InstructionPointer[5],
 174               InstructionPointer[6], InstructionPointer[7]);
 175 }
 176
 177 VOID
 178 FrLdrBugCheckWithMessage(
 179     ULONG BugCode,
 180     PCHAR File,
 181     ULONG Line,
 182     PSTR Format,
 183     ...)
 184 {
 185     CHAR Buffer[1024];
 186     va_list argptr;
 187
 188     MachVideoHideShowTextCursor(FALSE);
 189     MachVideoClearScreen(SCREEN_ATTR);
 190     i386_ScreenPosX = 0;
 191     i386_ScreenPosY = 0;
 192
 193     PrintText("A problem has been detected and FreeLoader boot has been aborted.\n\n");
 194
 195     PrintText("%ld: %s\n\n", BugCode, BugCodeStrings[BugCode]);
 196
 197     if (File)
 198     {
 199         PrintText("Location: %s:%ld\n\n", File, Line);
 200     }
 201
 202     va_start(argptr, Format);
 203     _vsnprintf(Buffer, sizeof(Buffer), Format, argptr);
 204     va_end(argptr);
 205     Buffer[sizeof(Buffer) - 1] = 0;
 206
 207     i386PrintText(Buffer);
 208
 209     _disable();
 210     __halt();
 211     for (;;);
 212 }
 213
 214 void
 215 NTAPI
 216 FrLdrBugCheckEx(
 217     ULONG BugCode,
 218     PCHAR File,
 219     ULONG Line)
 220 {
 221     MachVideoHideShowTextCursor(FALSE);
 222     MachVideoClearScreen(SCREEN_ATTR);
 223     i386_ScreenPosX = 0;
 224     i386_ScreenPosY = 0;
 225
 226     PrintText("A problem has been detected and FreeLoader boot has been aborted.\n\n");
 227
 228     PrintText("%ld: %s\n\n", BugCode, BugCodeStrings[BugCode]);
 229
 230     if (File)
 231     {
 232         PrintText("Location: %s:%ld\n\n", File, Line);
 233     }
 234
 235     PrintText("Bug Information:\n    %p\n    %p\n    %p\n    %p\n    %p\n\n",
 236               BugCheckInfo[0], BugCheckInfo[1], BugCheckInfo[2], BugCheckInfo[3], BugCheckInfo[4]);
 237
 238     _disable();
 239     __halt();
 240     for (;;);
 241 }
 242
 243 void
 244 NTAPI
 245 FrLdrBugCheck(ULONG BugCode)
 246 {
 247     FrLdrBugCheckEx(BugCode, 0, 0);
 248 }