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 < STACKADDR;
  90          Frame = Frame->Next)
  91 #else
  92     for (Frame = (FRAME*)TrapFrame->TrapFrame;
  93          Frame != 0 && (ULONG_PTR)Frame < STACKADDR;
  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 " VERSION "\n"
 112               "Report this error to the ReactOS Development mailing list <ros-dev@reactos.org>\n\n"
 113               "0x%02lx: %s\n", TrapIndex, i386ExceptionDescriptionText[TrapIndex]);
 114 #ifdef _M_IX86
 115     PrintText("EAX: %.8lx        ESP: %.8lx        CR0: %.8lx        DR0: %.8lx\n",
 116               TrapFrame->Eax, TrapFrame->HardwareEsp, Special->Cr0, TrapFrame->Dr0);
 117     PrintText("EBX: %.8lx        EBP: %.8lx        CR1: ????????        DR1: %.8lx\n",
 118               TrapFrame->Ebx, TrapFrame->Ebp, TrapFrame->Dr1);
 119     PrintText("ECX: %.8lx        ESI: %.8lx        CR2: %.8lx        DR2: %.8lx\n",
 120               TrapFrame->Ecx, TrapFrame->Esi, Special->Cr2, TrapFrame->Dr2);
 121     PrintText("EDX: %.8lx        EDI: %.8lx        CR3: %.8lx        DR3: %.8lx\n",
 122               TrapFrame->Edx, TrapFrame->Edi, Special->Cr3, TrapFrame->Dr3);
 123     PrintText("                                                               DR6: %.8lx\n",
 124               TrapFrame->Dr6);
 125     PrintText("                                                               DR7: %.8lx\n\n",
 126               TrapFrame->Dr7);
 127     PrintText("CS: %.4lx        EIP: %.8lx\n",
 128               TrapFrame->SegCs, TrapFrame->Eip);
 129     PrintText("DS: %.4lx        ERROR CODE: %.8lx\n",
 130               TrapFrame->SegDs, TrapFrame->ErrCode);
 131     PrintText("ES: %.4lx        EFLAGS: %.8lx\n",
 132               TrapFrame->SegEs, TrapFrame->EFlags);
 133     PrintText("FS: %.4lx        GDTR Base: %.8lx Limit: %.4x\n",
 134               TrapFrame->SegFs, Special->Gdtr.Base, Special->Gdtr.Limit);
 135     PrintText("GS: %.4lx        IDTR Base: %.8lx Limit: %.4x\n",
 136               TrapFrame->SegGs, Special->Idtr.Base, Special->Idtr.Limit);
 137     PrintText("SS: %.4lx        LDTR: %.4lx TR: %.4lx\n\n",
 138               TrapFrame->HardwareSegSs, Special->Ldtr, Special->Idtr.Limit);
 139
 140     i386PrintFrames(TrapFrame);                        // Display frames
 141     InstructionPointer = (PUCHAR)TrapFrame->Eip;
 142 #else
 143     PrintText("RAX: %.8lx        R8:  %.8lx        R12: %.8lx        RSI: %.8lx\n",
 144               TrapFrame->Rax, TrapFrame->R8, 0, TrapFrame->Rsi);
 145     PrintText("RBX: %.8lx        R9:  %.8lx        R13: %.8lx        RDI: %.8lx\n",
 146               TrapFrame->Rbx, TrapFrame->R9, 0, TrapFrame->Rdi);
 147     PrintText("RCX: %.8lx        R10: %.8lx        R14: %.8lx        RBP: %.8lx\n",
 148               TrapFrame->Rcx, TrapFrame->R10, 0, TrapFrame->Rbp);
 149     PrintText("RDX: %.8lx        R11: %.8lx        R15: %.8lx        RSP: %.8lx\n",
 150               TrapFrame->Rdx, TrapFrame->R11, 0, TrapFrame->Rsp);
 151
 152     PrintText("CS: %.4lx        RIP: %.8lx\n",
 153               TrapFrame->SegCs, TrapFrame->Rip);
 154     PrintText("DS: %.4lx        ERROR CODE: %.8lx\n",
 155               TrapFrame->SegDs, TrapFrame->ErrorCode);
 156     PrintText("ES: %.4lx        EFLAGS: %.8lx\n",
 157               TrapFrame->SegEs, TrapFrame->EFlags);
 158     PrintText("FS: %.4lx        GDTR Base: %.8lx Limit: %.4x\n",
 159               TrapFrame->SegFs, Special->Gdtr.Base, Special->Gdtr.Limit);
 160     PrintText("GS: %.4lx        IDTR Base: %.8lx Limit: %.4x\n",
 161               TrapFrame->SegGs, Special->Idtr.Base, Special->Idtr.Limit);
 162     PrintText("SS: %.4lx        LDTR: %.4lx TR: %.4lx\n\n",
 163               TrapFrame->SegSs, Special->Ldtr, Special->Idtr.Limit);
 164     InstructionPointer = (PUCHAR)TrapFrame->Rip;
 165 #endif
 166     PrintText("\nInstructionstream: %.2x %.2x %.2x %.2x %.2x %.2x %.2x %.2x \n",
 167               InstructionPointer[0], InstructionPointer[1],
 168               InstructionPointer[2], InstructionPointer[3],
 169               InstructionPointer[4], InstructionPointer[5],
 170               InstructionPointer[6], InstructionPointer[7]);
 171 }
 172
 173 VOID
 174 NTAPI
 175 FrLdrBugCheckWithMessage(
 176     ULONG BugCode,
 177     PCHAR File,
 178     ULONG Line,
 179     PSTR Format,
 180     ...)
 181 {
 182     CHAR Buffer[1024];
 183     va_list argptr;
 184
 185     /* Blue screen for the win */
 186     MachVideoClearScreen(SCREEN_ATTR);
 187     i386_ScreenPosX = 0;
 188     i386_ScreenPosY = 0;
 189
 190     PrintText("A problem has been detected and FreeLoader boot has been aborted.\n\n");
 191
 192     PrintText("%ld: %s\n\n", BugCode, BugCodeStrings[BugCode]);
 193
 194     if (File)
 195     {
 196         PrintText("Location: %s:%ld\n\n", File, Line);
 197     }
 198
 199     va_start(argptr, Format);
 200     _vsnprintf(Buffer, sizeof(Buffer), Format, argptr);
 201     va_end(argptr);
 202     Buffer[sizeof(Buffer) - 1] = 0;
 203
 204     i386PrintText(Buffer);
 205
 206     _disable();
 207     __halt();
 208     for (;;);
 209 }
 210
 211 void
 212 NTAPI
 213 FrLdrBugCheckEx(
 214     ULONG BugCode,
 215     PCHAR File,
 216     ULONG Line)
 217 {
 218     MachVideoClearScreen(SCREEN_ATTR);
 219     i386_ScreenPosX = 0;
 220     i386_ScreenPosY = 0;
 221
 222     PrintText("A problem has been detected and FreeLoader boot has been aborted.\n\n");
 223
 224     PrintText("%ld: %s\n\n", BugCode, BugCodeStrings[BugCode]);
 225
 226     if (File)
 227     {
 228         PrintText("Location: %s:%ld\n\n", File, Line);
 229     }
 230
 231     PrintText("Bug Information:\n    %p\n    %p\n    %p\n    %p\n    %p\n\n",
 232               BugCheckInfo[0], BugCheckInfo[1], BugCheckInfo[2], BugCheckInfo[3], BugCheckInfo[4]);
 233
 234     for (;;);
 235 }
 236
 237 void
 238 NTAPI
 239 FrLdrBugCheck(ULONG BugCode)
 240 {
 241     FrLdrBugCheckEx(BugCode, 0, 0);
 242 }
 243