x86/64/descriptors.cpp

75 		// switching mechanism, the IST. The IST is a table of stack addresses
89 	// Initialize the interrupt handler table.
90 	interrupt_handler_function** table = gInterruptHandlerTable;
92 		table[i] = x86_invalid_exception;
94 		table[i] = x86_hardware_interrupt;
96 	table[0]  = x86_unexpected_exception;	// Divide Error Exception (#DE)
97 	table[1]  = x86_handle_debug_exception; // Debug Exception (#DB)
98 	table[2]  = x86_fatal_exception;		// NMI Interrupt
99 	table[3]  = x86_handle_breakpoint_exception; // Breakpoint Exception (#BP)
100 	table[4]  = x86_unexpected_exception;	// Overflow Exception (#OF)
101 	table[5]  = x86_unexpected_exception;	// BOUND Range Exceeded Exception (#BR)
102 	table[6]  = x86_unexpected_exception;	// Invalid Opcode Exception (#UD)
103 	table[7]  = x86_fatal_exception;		// Device Not Available Exception (#NM)
104 	table[8]  = x86_fatal_exception;		// Double Fault Exception (#DF)
105 	table[9]  = x86_fatal_exception;		// Coprocessor Segment Overrun
106 	table[10] = x86_fatal_exception;		// Invalid TSS Exception (#TS)
107 	table[11] = x86_fatal_exception;		// Segment Not Present (#NP)
108 	table[12] = x86_fatal_exception;		// Stack Fault Exception (#SS)
109 	table[13] = x86_64_general_protection_fault; // General Protection Exception (#GP)
110 	table[14] = x86_page_fault_exception;	// Page-Fault Exception (#PF)
111 	table[16] = x86_unexpected_exception;	// x87 FPU Floating-Point Error (#MF)
112 	table[17] = x86_unexpected_exception;	// Alignment Check Exception (#AC)
113 	table[18] = x86_fatal_exception;		// Machine-Check Exception (#MC)
114 	table[19] = x86_unexpected_exception;	// SIMD Floating-Point Exception (#XF)