// SPDX-License-Identifier: GPL-2.0+ /* * (C) Copyright 2008 - 2013 Tensilica Inc. * (C) Copyright 2014 - 2016 Cadence Design Systems Inc. */ /* * Exception handling. * We currently don't handle any exception and force a reset. * (Note that alloca is a special case and handled in start.S) */ #include #include #include #include #include #include typedef void (*handler_t)(struct pt_regs *); void unhandled_exception(struct pt_regs *regs) { printf("Unhandled Exception: EXCCAUSE = %ld, EXCVADDR = %lx, pc = %lx\n", regs->exccause, regs->excvaddr, regs->pc); panic("*** PANIC\n"); } handler_t exc_table[EXCCAUSE_LAST] = { [0 ... EXCCAUSE_LAST-1] = unhandled_exception, }; int interrupt_init(void) { return 0; } void enable_interrupts(void) { } int disable_interrupts(void) { return 0; }