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 PrintText(const CHAR *format, ...)
  77 {
  78     va_list argptr;
  79     CHAR buffer[256];
  80
  81     va_start(argptr, format);
  82     _vsnprintf(buffer, sizeof(buffer), format, argptr);
  83     buffer[sizeof(buffer) - 1] = ANSI_NULL;
  84     va_end(argptr);
  85
  86     i386PrintText(buffer);
  87 }
  88
  89 static void
  90 i386PrintFrames(PKTRAP_FRAME TrapFrame)
  91 {
  92     FRAME *Frame;
  93
  94     PrintText("Frames:\n");
  95 #ifdef _M_IX86
  96     for (Frame = (FRAME*)TrapFrame->Ebp;
  97          Frame != 0 && (ULONG_PTR)Frame < STACKADDR;
  98          Frame = Frame->Next)
  99 #else
 100     for (Frame = (FRAME*)TrapFrame->TrapFrame;
 101          Frame != 0 && (ULONG_PTR)Frame < STACKADDR;
 102          Frame = Frame->Next)
 103 #endif
 104     {
 105         PrintText("%p  ", Frame->Address);
 106     }
 107 }
 108
 109 void
 110 NTAPI
 111 i386PrintExceptionText(ULONG TrapIndex, PKTRAP_FRAME TrapFrame, PKSPECIAL_REGISTERS Special)
 112 {
 113     PUCHAR InstructionPointer;
 114
 115     MachVideoHideShowTextCursor(FALSE);
 116     MachVideoClearScreen(SCREEN_ATTR);
 117     i386_ScreenPosX = 0;
 118     i386_ScreenPosY = 0;
 119
 120     PrintText("An error occured in " VERSION "\n"
 121               "Report this error on the ReactOS Bug Tracker: https://jira.reactos.org\n\n"
 122               "0x%02lx: %s\n", TrapIndex, i386ExceptionDescriptionText[TrapIndex]);
 123 #ifdef _M_IX86
 124     PrintText("EAX: %.8lx        ESP: %.8lx        CR0: %.8lx        DR0: %.8lx\n",
 125               TrapFrame->Eax, TrapFrame->HardwareEsp, Special->Cr0, TrapFrame->Dr0);
 126     PrintText("EBX: %.8lx        EBP: %.8lx        CR1: ????????        DR1: %.8lx\n",
 127               TrapFrame->Ebx, TrapFrame->Ebp, TrapFrame->Dr1);
 128     PrintText("ECX: %.8lx        ESI: %.8lx        CR2: %.8lx        DR2: %.8lx\n",
 129               TrapFrame->Ecx, TrapFrame->Esi, Special->Cr2, TrapFrame->Dr2);
 130     PrintText("EDX: %.8lx        EDI: %.8lx        CR3: %.8lx        DR3: %.8lx\n",
 131               TrapFrame->Edx, TrapFrame->Edi, Special->Cr3, TrapFrame->Dr3);
 132     PrintText("                                                               DR6: %.8lx\n",
 133               TrapFrame->Dr6);
 134     PrintText("                                                               DR7: %.8lx\n\n",
 135               TrapFrame->Dr7);
 136     PrintText("CS: %.4lx        EIP: %.8lx\n",
 137               TrapFrame->SegCs, TrapFrame->Eip);
 138     PrintText("DS: %.4lx        ERROR CODE: %.8lx\n",
 139               TrapFrame->SegDs, TrapFrame->ErrCode);
 140     PrintText("ES: %.4lx        EFLAGS: %.8lx\n",
 141               TrapFrame->SegEs, TrapFrame->EFlags);
 142     PrintText("FS: %.4lx        GDTR Base: %.8lx Limit: %.4x\n",
 143               TrapFrame->SegFs, Special->Gdtr.Base, Special->Gdtr.Limit);
 144     PrintText("GS: %.4lx        IDTR Base: %.8lx Limit: %.4x\n",
 145               TrapFrame->SegGs, Special->Idtr.Base, Special->Idtr.Limit);
 146     PrintText("SS: %.4lx        LDTR: %.4lx TR: %.4lx\n\n",
 147               TrapFrame->HardwareSegSs, Special->Ldtr, Special->Idtr.Limit);
 148
 149     i386PrintFrames(TrapFrame);                        // Display frames
 150     InstructionPointer = (PUCHAR)TrapFrame->Eip;
 151 #else
 152     PrintText("RAX: %.8lx        R8:  %.8lx        R12: %.8lx        RSI: %.8lx\n",
 153               TrapFrame->Rax, TrapFrame->R8, 0, TrapFrame->Rsi);
 154     PrintText("RBX: %.8lx        R9:  %.8lx        R13: %.8lx        RDI: %.8lx\n",
 155               TrapFrame->Rbx, TrapFrame->R9, 0, TrapFrame->Rdi);
 156     PrintText("RCX: %.8lx        R10: %.8lx        R14: %.8lx        RBP: %.8lx\n",
 157               TrapFrame->Rcx, TrapFrame->R10, 0, TrapFrame->Rbp);
 158     PrintText("RDX: %.8lx        R11: %.8lx        R15: %.8lx        RSP: %.8lx\n",
 159               TrapFrame->Rdx, TrapFrame->R11, 0, TrapFrame->Rsp);
 160
 161     PrintText("CS: %.4lx        RIP: %.8lx\n",
 162               TrapFrame->SegCs, TrapFrame->Rip);
 163     PrintText("DS: %.4lx        ERROR CODE: %.8lx\n",
 164               TrapFrame->SegDs, TrapFrame->ErrorCode);
 165     PrintText("ES: %.4lx        EFLAGS: %.8lx\n",
 166               TrapFrame->SegEs, TrapFrame->EFlags);
 167     PrintText("FS: %.4lx        GDTR Base: %.8lx Limit: %.4x\n",
 168               TrapFrame->SegFs, Special->Gdtr.Base, Special->Gdtr.Limit);
 169     PrintText("GS: %.4lx        IDTR Base: %.8lx Limit: %.4x\n",
 170               TrapFrame->SegGs, Special->Idtr.Base, Special->Idtr.Limit);
 171     PrintText("SS: %.4lx        LDTR: %.4lx TR: %.4lx\n\n",
 172               TrapFrame->SegSs, Special->Ldtr, Special->Idtr.Limit);
 173     InstructionPointer = (PUCHAR)TrapFrame->Rip;
 174 #endif
 175     PrintText("\nInstruction stream: %.2x %.2x %.2x %.2x %.2x %.2x %.2x %.2x \n",
 176               InstructionPointer[0], InstructionPointer[1],
 177               InstructionPointer[2], InstructionPointer[3],
 178               InstructionPointer[4], InstructionPointer[5],
 179               InstructionPointer[6], InstructionPointer[7]);
 180 }
 181
 182 VOID
 183 FrLdrBugCheckWithMessage(
 184     ULONG BugCode,
 185     PCHAR File,
 186     ULONG Line,
 187     PSTR Format,
 188     ...)
 189 {
 190     CHAR Buffer[1024];
 191     va_list argptr;
 192
 193     MachVideoHideShowTextCursor(FALSE);
 194     MachVideoClearScreen(SCREEN_ATTR);
 195     i386_ScreenPosX = 0;
 196     i386_ScreenPosY = 0;
 197
 198     PrintText("A problem has been detected and FreeLoader boot has been aborted.\n\n");
 199
 200     PrintText("%ld: %s\n\n", BugCode, BugCodeStrings[BugCode]);
 201
 202     if (File)
 203     {
 204         PrintText("Location: %s:%ld\n\n", File, Line);
 205     }
 206
 207     va_start(argptr, Format);
 208     _vsnprintf(Buffer, sizeof(Buffer), Format, argptr);
 209     va_end(argptr);
 210     Buffer[sizeof(Buffer) - 1] = 0;
 211
 212     i386PrintText(Buffer);
 213
 214     _disable();
 215     __halt();
 216     for (;;);
 217 }
 218
 219 void
 220 NTAPI
 221 FrLdrBugCheckEx(
 222     ULONG BugCode,
 223     PCHAR File,
 224     ULONG Line)
 225 {
 226     MachVideoHideShowTextCursor(FALSE);
 227     MachVideoClearScreen(SCREEN_ATTR);
 228     i386_ScreenPosX = 0;
 229     i386_ScreenPosY = 0;
 230
 231     PrintText("A problem has been detected and FreeLoader boot has been aborted.\n\n");
 232
 233     PrintText("%ld: %s\n\n", BugCode, BugCodeStrings[BugCode]);
 234
 235     if (File)
 236     {
 237         PrintText("Location: %s:%ld\n\n", File, Line);
 238     }
 239
 240     PrintText("Bug Information:\n    %p\n    %p\n    %p\n    %p\n    %p\n\n",
 241               BugCheckInfo[0], BugCheckInfo[1], BugCheckInfo[2], BugCheckInfo[3], BugCheckInfo[4]);
 242
 243     _disable();
 244     __halt();
 245     for (;;);
 246 }
 247
 248 void
 249 NTAPI
 250 FrLdrBugCheck(ULONG BugCode)
 251 {
 252     FrLdrBugCheckEx(BugCode, 0, 0);
 253 }