1 // SPDX-License-Identifier: GPL-2.0+ 2 /* 3 * (C) Copyright 2004, Psyent Corporation <www.psyent.com> 4 * Scott McNutt <smcnutt@psyent.com> 5 */ 6 7 #include <asm/ptrace.h> 8 #include <common.h> 9 trap_handler(struct pt_regs * regs)10void trap_handler (struct pt_regs *regs) 11 { 12 /* Just issue warning */ 13 printf ("\n\n*** WARNING: unimplemented trap @ %08x\n\n", 14 regs->reg[29] - 4); 15 } 16 soft_emulation(struct pt_regs * regs)17void soft_emulation (struct pt_regs *regs) 18 { 19 /* TODO: Software emulation of mul/div etc. Until this is 20 * implemented, generate warning and hang. 21 */ 22 printf ("\n\n*** ERROR: unimplemented instruction @ %08x\n", 23 regs->reg[29] - 4); 24 hang (); 25 } 26