1*4882a593Smuzhiyun /* 2*4882a593Smuzhiyun * (C) Copyright 2004, Psyent Corporation <www.psyent.com> 3*4882a593Smuzhiyun * Scott McNutt <smcnutt@psyent.com> 4*4882a593Smuzhiyun * 5*4882a593Smuzhiyun * SPDX-License-Identifier: GPL-2.0+ 6*4882a593Smuzhiyun */ 7*4882a593Smuzhiyun 8*4882a593Smuzhiyun #include <asm/ptrace.h> 9*4882a593Smuzhiyun #include <common.h> 10*4882a593Smuzhiyun trap_handler(struct pt_regs * regs)11*4882a593Smuzhiyunvoid trap_handler (struct pt_regs *regs) 12*4882a593Smuzhiyun { 13*4882a593Smuzhiyun /* Just issue warning */ 14*4882a593Smuzhiyun printf ("\n\n*** WARNING: unimplemented trap @ %08x\n\n", 15*4882a593Smuzhiyun regs->reg[29] - 4); 16*4882a593Smuzhiyun } 17*4882a593Smuzhiyun soft_emulation(struct pt_regs * regs)18*4882a593Smuzhiyunvoid soft_emulation (struct pt_regs *regs) 19*4882a593Smuzhiyun { 20*4882a593Smuzhiyun /* TODO: Software emulation of mul/div etc. Until this is 21*4882a593Smuzhiyun * implemented, generate warning and hang. 22*4882a593Smuzhiyun */ 23*4882a593Smuzhiyun printf ("\n\n*** ERROR: unimplemented instruction @ %08x\n", 24*4882a593Smuzhiyun regs->reg[29] - 4); 25*4882a593Smuzhiyun hang (); 26*4882a593Smuzhiyun } 27