/* * Copyright (C) 2017 C-SKY Microsystems Co., Ltd. All rights reserved. * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ /****************************************************************************** * @file trap_c.c * @brief source file for the trap process * @version V1.0 * @date 12. December 2017 ******************************************************************************/ #include #include #include #include #include "wm_debug.h" void trap_c(uint32_t *regs) { int i; uint32_t vec = 0; __asm__ volatile( "mfcr %0, psr \n" "lsri %0, 16 \n" "sextb %0 \n" :"=r"(vec):); printf("CPU Exception : %u", vec); printf("\n"); for (i = 0; i < 16; i++) { printf("r%d: %08x\t", i, regs[i]); if ((i % 5) == 4) { printf("\n"); } } printf("\n"); printf("epsr: %8x\n", regs[16]); printf("epc : %8x\n", regs[17]); while (1) { } }