1 // SPDX-License-Identifier: GPL-2.0+ 2 /* 3 * (C) Copyright 2008 - 2013 Tensilica Inc. 4 * (C) Copyright 2014 - 2016 Cadence Design Systems Inc. 5 */ 6 7 /* 8 * Exception handling. 9 * We currently don't handle any exception and force a reset. 10 * (Note that alloca is a special case and handled in start.S) 11 */ 12 13 #include <common.h> 14 #include <command.h> 15 #include <asm/string.h> 16 #include <asm/regs.h> 17 18 typedef void (*handler_t)(struct pt_regs *); 19 20 void unhandled_exception(struct pt_regs *regs) 21 { 22 printf("Unhandled Exception: EXCCAUSE = %ld, EXCVADDR = %lx, pc = %lx\n", 23 regs->exccause, regs->excvaddr, regs->pc); 24 panic("*** PANIC\n"); 25 } 26 27 handler_t exc_table[EXCCAUSE_LAST] = { 28 [0 ... EXCCAUSE_LAST-1] = unhandled_exception, 29 }; 30 31 int interrupt_init(void) 32 { 33 return 0; 34 } 35 36 void enable_interrupts(void) 37 { 38 } 39 40 int disable_interrupts(void) 41 { 42 return 0; 43 } 44