11965aae3SH. Peter Anvin #ifndef _ASM_X86_TRAPS_H 21965aae3SH. Peter Anvin #define _ASM_X86_TRAPS_H 3bb898558SAl Viro 495927475SAndy Lutomirski #include <linux/context_tracking_state.h> 55cec93c2SAndy Lutomirski #include <linux/kprobes.h> 65cec93c2SAndy Lutomirski 7bb898558SAl Viro #include <asm/debugreg.h> 8a2bcd473SIngo Molnar #include <asm/siginfo.h> /* TRAP_TRACE, ... */ 9bb898558SAl Viro 109e1a431dSAndi Kleen #define dotraplinkage __visible 11bb898558SAl Viro 12bb898558SAl Viro asmlinkage void divide_error(void); 13bb898558SAl Viro asmlinkage void debug(void); 14bb898558SAl Viro asmlinkage void nmi(void); 15bb898558SAl Viro asmlinkage void int3(void); 166cac5a92SJeremy Fitzhardinge asmlinkage void xen_debug(void); 176cac5a92SJeremy Fitzhardinge asmlinkage void xen_int3(void); 186cac5a92SJeremy Fitzhardinge asmlinkage void xen_stack_segment(void); 19bb898558SAl Viro asmlinkage void overflow(void); 20bb898558SAl Viro asmlinkage void bounds(void); 21bb898558SAl Viro asmlinkage void invalid_op(void); 22bb898558SAl Viro asmlinkage void device_not_available(void); 23bb898558SAl Viro #ifdef CONFIG_X86_64 24bb898558SAl Viro asmlinkage void double_fault(void); 25bb898558SAl Viro #endif 26bb898558SAl Viro asmlinkage void coprocessor_segment_overrun(void); 27bb898558SAl Viro asmlinkage void invalid_TSS(void); 28bb898558SAl Viro asmlinkage void segment_not_present(void); 29bb898558SAl Viro asmlinkage void stack_segment(void); 30bb898558SAl Viro asmlinkage void general_protection(void); 31bb898558SAl Viro asmlinkage void page_fault(void); 32631bc487SGleb Natapov asmlinkage void async_page_fault(void); 33bb898558SAl Viro asmlinkage void spurious_interrupt_bug(void); 34bb898558SAl Viro asmlinkage void coprocessor_error(void); 35bb898558SAl Viro asmlinkage void alignment_check(void); 36bb898558SAl Viro #ifdef CONFIG_X86_MCE 37bb898558SAl Viro asmlinkage void machine_check(void); 38bb898558SAl Viro #endif /* CONFIG_X86_MCE */ 39bb898558SAl Viro asmlinkage void simd_coprocessor_error(void); 40bb898558SAl Viro 4125c74b10SSeiji Aguchi #ifdef CONFIG_TRACING 4225c74b10SSeiji Aguchi asmlinkage void trace_page_fault(void); 436f442be2SAndy Lutomirski #define trace_stack_segment stack_segment 4425c74b10SSeiji Aguchi #define trace_divide_error divide_error 4525c74b10SSeiji Aguchi #define trace_bounds bounds 4625c74b10SSeiji Aguchi #define trace_invalid_op invalid_op 4725c74b10SSeiji Aguchi #define trace_device_not_available device_not_available 4825c74b10SSeiji Aguchi #define trace_coprocessor_segment_overrun coprocessor_segment_overrun 4925c74b10SSeiji Aguchi #define trace_invalid_TSS invalid_TSS 5025c74b10SSeiji Aguchi #define trace_segment_not_present segment_not_present 5125c74b10SSeiji Aguchi #define trace_general_protection general_protection 5225c74b10SSeiji Aguchi #define trace_spurious_interrupt_bug spurious_interrupt_bug 5325c74b10SSeiji Aguchi #define trace_coprocessor_error coprocessor_error 5425c74b10SSeiji Aguchi #define trace_alignment_check alignment_check 5525c74b10SSeiji Aguchi #define trace_simd_coprocessor_error simd_coprocessor_error 5625c74b10SSeiji Aguchi #define trace_async_page_fault async_page_fault 5725c74b10SSeiji Aguchi #endif 5825c74b10SSeiji Aguchi 59bb898558SAl Viro dotraplinkage void do_divide_error(struct pt_regs *, long); 60bb898558SAl Viro dotraplinkage void do_debug(struct pt_regs *, long); 61bb898558SAl Viro dotraplinkage void do_nmi(struct pt_regs *, long); 62bb898558SAl Viro dotraplinkage void do_int3(struct pt_regs *, long); 63bb898558SAl Viro dotraplinkage void do_overflow(struct pt_regs *, long); 64bb898558SAl Viro dotraplinkage void do_bounds(struct pt_regs *, long); 65bb898558SAl Viro dotraplinkage void do_invalid_op(struct pt_regs *, long); 66aa78bcfaSBrian Gerst dotraplinkage void do_device_not_available(struct pt_regs *, long); 67bb898558SAl Viro dotraplinkage void do_coprocessor_segment_overrun(struct pt_regs *, long); 68bb898558SAl Viro dotraplinkage void do_invalid_TSS(struct pt_regs *, long); 69bb898558SAl Viro dotraplinkage void do_segment_not_present(struct pt_regs *, long); 70bb898558SAl Viro dotraplinkage void do_stack_segment(struct pt_regs *, long); 71d1769d54SJaswinder Singh #ifdef CONFIG_X86_64 72d1769d54SJaswinder Singh dotraplinkage void do_double_fault(struct pt_regs *, long); 739326638cSMasami Hiramatsu asmlinkage struct pt_regs *sync_regs(struct pt_regs *); 74d1769d54SJaswinder Singh #endif 75bb898558SAl Viro dotraplinkage void do_general_protection(struct pt_regs *, long); 76bb898558SAl Viro dotraplinkage void do_page_fault(struct pt_regs *, unsigned long); 7725c74b10SSeiji Aguchi #ifdef CONFIG_TRACING 7825c74b10SSeiji Aguchi dotraplinkage void trace_do_page_fault(struct pt_regs *, unsigned long); 7965a7f03fSDave Hansen #else 8065a7f03fSDave Hansen static inline void trace_do_page_fault(struct pt_regs *regs, unsigned long error) 8165a7f03fSDave Hansen { 8265a7f03fSDave Hansen do_page_fault(regs, error); 8365a7f03fSDave Hansen } 8425c74b10SSeiji Aguchi #endif 85bb898558SAl Viro dotraplinkage void do_spurious_interrupt_bug(struct pt_regs *, long); 86bb898558SAl Viro dotraplinkage void do_coprocessor_error(struct pt_regs *, long); 87bb898558SAl Viro dotraplinkage void do_alignment_check(struct pt_regs *, long); 88bb898558SAl Viro #ifdef CONFIG_X86_MCE 89bb898558SAl Viro dotraplinkage void do_machine_check(struct pt_regs *, long); 90bb898558SAl Viro #endif 91bb898558SAl Viro dotraplinkage void do_simd_coprocessor_error(struct pt_regs *, long); 92bb898558SAl Viro #ifdef CONFIG_X86_32 93bb898558SAl Viro dotraplinkage void do_iret_error(struct pt_regs *, long); 94bb898558SAl Viro #endif 95bb898558SAl Viro 96bb898558SAl Viro static inline int get_si_code(unsigned long condition) 97bb898558SAl Viro { 98bb898558SAl Viro if (condition & DR_STEP) 99bb898558SAl Viro return TRAP_TRACE; 100bb898558SAl Viro else if (condition & (DR_TRAP0|DR_TRAP1|DR_TRAP2|DR_TRAP3)) 101bb898558SAl Viro return TRAP_HWBKPT; 102bb898558SAl Viro else 103bb898558SAl Viro return TRAP_BRKPT; 104bb898558SAl Viro } 105bb898558SAl Viro 106bb898558SAl Viro extern int panic_on_unrecovered_nmi; 107bb898558SAl Viro 108d315760fSTejun Heo void math_emulate(struct math_emu_info *); 109fde0312dSAkinobu Mita #ifndef CONFIG_X86_32 110d1769d54SJaswinder Singh asmlinkage void smp_thermal_interrupt(void); 111d1769d54SJaswinder Singh asmlinkage void mce_threshold_interrupt(void); 112bb898558SAl Viro #endif 113bb898558SAl Viro 11495927475SAndy Lutomirski extern enum ctx_state ist_enter(struct pt_regs *regs); 11595927475SAndy Lutomirski extern void ist_exit(struct pt_regs *regs, enum ctx_state prev_state); 11695927475SAndy Lutomirski 117c9408265SKees Cook /* Interrupts/Exceptions */ 118c9408265SKees Cook enum { 119c9408265SKees Cook X86_TRAP_DE = 0, /* 0, Divide-by-zero */ 120c9408265SKees Cook X86_TRAP_DB, /* 1, Debug */ 121c9408265SKees Cook X86_TRAP_NMI, /* 2, Non-maskable Interrupt */ 122c9408265SKees Cook X86_TRAP_BP, /* 3, Breakpoint */ 123c9408265SKees Cook X86_TRAP_OF, /* 4, Overflow */ 124c9408265SKees Cook X86_TRAP_BR, /* 5, Bound Range Exceeded */ 125c9408265SKees Cook X86_TRAP_UD, /* 6, Invalid Opcode */ 126c9408265SKees Cook X86_TRAP_NM, /* 7, Device Not Available */ 127c9408265SKees Cook X86_TRAP_DF, /* 8, Double Fault */ 128c9408265SKees Cook X86_TRAP_OLD_MF, /* 9, Coprocessor Segment Overrun */ 129c9408265SKees Cook X86_TRAP_TS, /* 10, Invalid TSS */ 130c9408265SKees Cook X86_TRAP_NP, /* 11, Segment Not Present */ 131c9408265SKees Cook X86_TRAP_SS, /* 12, Stack Segment Fault */ 132c9408265SKees Cook X86_TRAP_GP, /* 13, General Protection Fault */ 133c9408265SKees Cook X86_TRAP_PF, /* 14, Page Fault */ 134c9408265SKees Cook X86_TRAP_SPURIOUS, /* 15, Spurious Interrupt */ 135c9408265SKees Cook X86_TRAP_MF, /* 16, x87 Floating-Point Exception */ 136c9408265SKees Cook X86_TRAP_AC, /* 17, Alignment Check */ 137c9408265SKees Cook X86_TRAP_MC, /* 18, Machine Check */ 138c9408265SKees Cook X86_TRAP_XF, /* 19, SIMD Floating-Point Exception */ 139c9408265SKees Cook X86_TRAP_IRET = 32, /* 32, IRET Exception */ 140c9408265SKees Cook }; 141c9408265SKees Cook 1421965aae3SH. Peter Anvin #endif /* _ASM_X86_TRAPS_H */ 143