void nmi_handler(void)
{
// Clock Security System triggered NMI
if ((RCC_CIR & RCC_CIR_CSSF) != 0) {
fault_handler("Clock instability");
}
}
void isr_stub(struct int_frame *r) {
if (r->int_no < ISR_IRQ0 || r->int_no == ISR_UNKNOWN) {
fault_handler(r);
} else if (r->int_no < ISR_IRQ0 + 16) {
irq_handler(r);
} else if (r->int_no == ISR_SYSCALL) {
syscall(); // get syscall number form proc->fm
} else {
panic("isr_stub: wrong interrupt number");
}
}
/* restoreregs
* this is where win32 handles traps
*/
int restoreregs(lib7_state_t *lib7_state)
{
extern Word_t request_fault[];
caught_cntrl_c = FALSE;
__try{
int request;
request = asm_restoreregs(lib7_state);
return request;
} __except(fault_handler(GetExceptionCode(), (Word_t *)(GetExceptionInformation())->ContextRecord->Eip) ?
#ifdef HOST_X86
((Word_t *)(GetExceptionInformation())->ContextRecord->Eip = request_fault,
EXCEPTION_CONTINUE_EXECUTION) :
EXCEPTION_CONTINUE_SEARCH)
#else
# error non-x86 win32 platforms need restoreregs support
#endif
{ /* nothing */ }
}
void mem_manage_handler(void) {
fault_handler("Memory fault");
}
void hard_fault_handler(void) {
fault_handler("Hard fault");
}
void __attribute__((noreturn)) __stack_chk_fail(void) {
fault_handler("Stack smashing");
}