reactos/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
  37 void
  38 i386PrintChar(char chr, ULONG x, ULONG y)
  39 {
  40         MachVideoPutChar(chr, SCREEN_ATTR, x, y);
  41 }
  42
  43 /* Used to store the current X and Y position on the screen */
  44 ULONG i386_ScreenPosX = 0;
  45 ULONG i386_ScreenPosY = 0;
  46
  47 void
  48 i386PrintText(char *pszText)
  49 {
  50     char chr;
  51     while (1)
  52     {
  53         chr = *pszText++;
  54
  55         if (chr == 0) break;
  56         if (chr == '\n')
  57         {
  58             i386_ScreenPosY++;
  59             i386_ScreenPosX = 0;
  60             continue;
  61         }
  62
  63         MachVideoPutChar(chr, SCREEN_ATTR, i386_ScreenPosX, i386_ScreenPosY);
  64         i386_ScreenPosX++;
  65     }
  66 }
  67
  68 void
  69 PrintText(const char *format, ...)
  70 {
  71     va_list argptr;
  72     char buffer[256];
  73
  74     va_start(argptr, format);
  75     _vsnprintf(buffer, sizeof(buffer), format, argptr);
  76     buffer[sizeof(buffer) - 1] = 0;
  77     va_end(argptr);
  78     i386PrintText(buffer);
  79 }
  80
  81 void
  82 i386PrintFrames(PKTRAP_FRAME TrapFrame)
  83 {
  84     FRAME *Frame;
  85
  86     PrintText("Frames:\n");
  87 #ifdef _M_IX86
  88     for (Frame = (FRAME*)TrapFrame->Ebp;
  89          Frame != 0 && (ULONG_PTR)Frame < STACK32ADDR;
  90          Frame = Frame->Next)
  91 #else
  92     for (Frame = (FRAME*)TrapFrame->TrapFrame;
  93          Frame != 0 && (ULONG_PTR)Frame < STACK32ADDR;
  94          Frame = Frame->Next)
  95 #endif
  96     {
  97         PrintText("%p  ", Frame->Address);
  98     }
  99 }
 100
 101 void
 102 NTAPI
 103 i386PrintExceptionText(ULONG TrapIndex, PKTRAP_FRAME TrapFrame, PKSPECIAL_REGISTERS Special)
 104 {
 105         PUCHAR InstructionPointer;
 106
 107         MachVideoClearScreen(SCREEN_ATTR);
 108         i386_ScreenPosX = 0;
 109         i386_ScreenPosY = 0;
 110
 111     PrintText("An error occured in FreeLoader\n"
 112               VERSION"\n"
 113                   "Report this error to the ReactOS Development mailing list <ros-dev@reactos.org>\n\n"
 114               "0x%02lx: %s\n", TrapIndex, i386ExceptionDescriptionText[TrapIndex]);
 115 #ifdef _M_IX86
 116     PrintText("EAX: %.8lx        ESP: %.8lx        CR0: %.8lx        DR0: %.8lx\n",
 117               TrapFrame->Eax, TrapFrame->HardwareEsp, Special->Cr0, TrapFrame->Dr0);
 118     PrintText("EBX: %.8lx        EBP: %.8lx        CR1: ????????        DR1: %.8lx\n",
 119               TrapFrame->Ebx, TrapFrame->Ebp, TrapFrame->Dr1);
 120     PrintText("ECX: %.8lx        ESI: %.8lx        CR2: %.8lx        DR2: %.8lx\n",
 121               TrapFrame->Ecx, TrapFrame->Esi, Special->Cr2, TrapFrame->Dr2);
 122     PrintText("EDX: %.8lx        EDI: %.8lx        CR3: %.8lx        DR3: %.8lx\n",
 123               TrapFrame->Edx, TrapFrame->Edi, Special->Cr3, TrapFrame->Dr3);
 124     PrintText("                                                               DR6: %.8lx\n",
 125               TrapFrame->Dr6);
 126     PrintText("                                                               DR7: %.8lx\n\n",
 127               TrapFrame->Dr7);
 128     PrintText("CS: %.4lx        EIP: %.8lx\n",
 129               TrapFrame->SegCs, TrapFrame->Eip);
 130     PrintText("DS: %.4lx        ERROR CODE: %.8lx\n",
 131               TrapFrame->SegDs, TrapFrame->ErrCode);
 132     PrintText("ES: %.4lx        EFLAGS: %.8lx\n",
 133               TrapFrame->SegEs, TrapFrame->EFlags);
 134     PrintText("FS: %.4lx        GDTR Base: %.8lx Limit: %.4x\n",
 135               TrapFrame->SegFs, Special->Gdtr.Base, Special->Gdtr.Limit);
 136     PrintText("GS: %.4lx        IDTR Base: %.8lx Limit: %.4x\n",
 137               TrapFrame->SegGs, Special->Idtr.Base, Special->Idtr.Limit);
 138     PrintText("SS: %.4lx        LDTR: %.4lx TR: %.4lx\n\n",
 139               TrapFrame->HardwareSegSs, Special->Ldtr, Special->Idtr.Limit);
 140
 141         i386PrintFrames(TrapFrame);                                             // Display frames
 142         InstructionPointer = (PUCHAR)TrapFrame->Eip;
 143 #else
 144     PrintText("RAX: %.8lx        R8:  %.8lx        R12: %.8lx        RSI: %.8lx\n",
 145               TrapFrame->Rax, TrapFrame->R8, 0, TrapFrame->Rsi);
 146     PrintText("RBX: %.8lx        R9:  %.8lx        R13: %.8lx        RDI: %.8lx\n",
 147               TrapFrame->Rbx, TrapFrame->R9, 0, TrapFrame->Rdi);
 148     PrintText("RCX: %.8lx        R10: %.8lx        R14: %.8lx        RBP: %.8lx\n",
 149               TrapFrame->Rcx, TrapFrame->R10, 0, TrapFrame->Rbp);
 150     PrintText("RDX: %.8lx        R11: %.8lx        R15: %.8lx        RSP: %.8lx\n",
 151               TrapFrame->Rdx, TrapFrame->R11, 0, TrapFrame->Rsp);
 152
 153     PrintText("CS: %.4lx        RIP: %.8lx\n",
 154               TrapFrame->SegCs, TrapFrame->Rip);
 155     PrintText("DS: %.4lx        ERROR CODE: %.8lx\n",
 156               TrapFrame->SegDs, TrapFrame->ErrorCode);
 157     PrintText("ES: %.4lx        EFLAGS: %.8lx\n",
 158               TrapFrame->SegEs, TrapFrame->EFlags);
 159     PrintText("FS: %.4lx        GDTR Base: %.8lx Limit: %.4x\n",
 160               TrapFrame->SegFs, Special->Gdtr.Base, Special->Gdtr.Limit);
 161     PrintText("GS: %.4lx        IDTR Base: %.8lx Limit: %.4x\n",
 162               TrapFrame->SegGs, Special->Idtr.Base, Special->Idtr.Limit);
 163     PrintText("SS: %.4lx        LDTR: %.4lx TR: %.4lx\n\n",
 164               TrapFrame->SegSs, Special->Ldtr, Special->Idtr.Limit);
 165         InstructionPointer = (PUCHAR)TrapFrame->Rip;
 166 #endif
 167     PrintText("\nInstructionstream: %.2x %.2x %.2x %.2x %.2x %.2x %.2x %.2x \n",
 168               InstructionPointer[0], InstructionPointer[1],
 169               InstructionPointer[2], InstructionPointer[3],
 170               InstructionPointer[4], InstructionPointer[5],
 171               InstructionPointer[6], InstructionPointer[7]);
 172 }
 173
 174 void
 175 NTAPI
 176 FrLdrBugCheckEx(
 177     ULONG BugCode,
 178     PCHAR File,
 179     ULONG Line)
 180 {
 181     MachVideoClearScreen(SCREEN_ATTR);
 182     i386_ScreenPosX = 0;
 183     i386_ScreenPosY = 0;
 184
 185     PrintText("A problem has been detected and FreeLoader boot has been aborted.\n\n");
 186
 187     PrintText("%ld: %s\n\n", BugCode, BugCodeStrings[BugCode]);
 188
 189     if (File)
 190     {
 191         PrintText("Location: %s:%ld\n\n", File, Line);
 192     }
 193
 194     PrintText("Bug Information:\n    %p\n    %p\n    %p\n    %p\n    %p\n\n",
 195               BugCheckInfo[0], BugCheckInfo[1], BugCheckInfo[2], BugCheckInfo[3], BugCheckInfo[4]);
 196
 197     for (;;);
 198 }
 199
 200 void
 201 NTAPI
 202 FrLdrBugCheck(ULONG BugCode)
 203 {
 204     FrLdrBugCheckEx(BugCode, 0, 0);
 205 }
 206