53 static bool check_fault_handler_table(x86_iframe_t *frame)  in check_fault_handler_table()  argument
65         if (addr == frame->ip) {  in check_fault_handler_table()
75             frame->ip = addr;  in check_fault_handler_table()
82 extern enum handler_return platform_irq(x86_iframe_t *frame);
84 static void dump_fault_frame(x86_iframe_t *frame)  in dump_fault_frame()  argument
88             frame->cs, frame->ip, frame->flags, x86_get_cr2());  in dump_fault_frame()
90             frame->ax, frame->cx, frame->dx, frame->bx);  in dump_fault_frame()
92             frame->sp, frame->bp, frame->si, frame->di);  in dump_fault_frame()
94             frame->ds, frame->es, frame->fs, frame->gs);  in dump_fault_frame()
97             frame->cs, frame->ip, frame->flags, x86_get_cr2());  in dump_fault_frame()
99             frame->ax, frame->bx, frame->cx, frame->dx);  in dump_fault_frame()
101             frame->si, frame->di, frame->bp, frame->user_sp);  in dump_fault_frame()
103             frame->r8, frame->r9, frame->r10, frame->r11);  in dump_fault_frame()
105             frame->r12, frame->r13, frame->r14, frame->r15);  in dump_fault_frame()
107             frame->err_code);  in dump_fault_frame()
111     addr_t stack = (addr_t) frame;  in dump_fault_frame()
119 static void exception_die(x86_iframe_t *frame, const char *msg)  in exception_die()  argument
122     dump_fault_frame(frame);  in exception_die()
131 void x86_syscall_handler(x86_iframe_t *frame)  in x86_syscall_handler()  argument
133     exception_die(frame, "unhandled syscall, halting\n");  in x86_syscall_handler()
136 void x86_gpf_handler(x86_iframe_t *frame)  in x86_gpf_handler()  argument
138     exception_die(frame, "unhandled gpf, halting\n");  in x86_gpf_handler()
141 void x86_invop_handler(x86_iframe_t *frame)  in x86_invop_handler()  argument
143     exception_die(frame, "unhandled invalid op, halting\n");  in x86_invop_handler()
146 void x86_unhandled_exception(x86_iframe_t *frame)  in x86_unhandled_exception()  argument
148     printf("vector %u\n", (uint)frame->vector);  in x86_unhandled_exception()
149     exception_die(frame, "unhandled exception, halting\n");  in x86_unhandled_exception()
152 void x86_pfe_handler(x86_iframe_t *frame)  in x86_pfe_handler()  argument
157     error_code = frame->err_code;  in x86_pfe_handler()
159     if (check_fault_handler_table(frame)) {  in x86_pfe_handler()
165             (unsigned int)frame->cs & X86_8BYTE_MASK,  in x86_pfe_handler()
166             (unsigned int)frame->ip);  in x86_pfe_handler()
168             (unsigned int)frame->user_ss & X86_8BYTE_MASK,  in x86_pfe_handler()
169             (unsigned int)frame->user_sp);  in x86_pfe_handler()
206                 exception_die(frame, "Page Fault exception, halting\n");  in x86_pfe_handler()
213 void x86_exception_handler(x86_iframe_t *frame)  in x86_exception_handler()  argument
216     unsigned int vector = frame->vector;  in x86_exception_handler()
225             x86_gpf_handler(frame);  in x86_exception_handler()
229             x86_invop_handler(frame);  in x86_exception_handler()
233             x86_pfe_handler(frame);  in x86_exception_handler()
243             exception_die(frame, "double fault (kernel stack overflow?)\n");  in x86_exception_handler()
250             exception_die(frame, "x87 math fault\n");  in x86_exception_handler()
258             exception_die(frame, "simd math fault\n");  in x86_exception_handler()
266             x86_unhandled_exception(frame);  in x86_exception_handler()
271             ret = platform_irq(frame);  in x86_exception_handler()