56 lines
1.5 KiB
C
56 lines
1.5 KiB
C
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/*
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* Copyright (c) 2020 Institute of Parallel And Distributed Systems (IPADS),
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* Shanghai Jiao Tong University (SJTU) OS-Lab-2020 (i.e., ChCore) is licensed
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* under the Mulan PSL v1. You can use this software according to the terms and
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* conditions of the Mulan PSL v1. You may obtain a copy of Mulan PSL v1 at:
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* http://license.coscl.org.cn/MulanPSL
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* THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY
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* KIND, EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO
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* NON-INFRINGEMENT, MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE. See the
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* Mulan PSL v1 for more details.
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*/
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#include "exception.h"
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#include "esr.h"
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#include <common/kprint.h>
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#include <common/types.h>
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#include <common/util.h>
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#include <exception/irq.h>
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#include <exception/pgfault.h>
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#include <sched/sched.h>
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void exception_init_per_cpu(void)
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{
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/**
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* Lab3: Your code here
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* Setup the exception vector with the asm function written in exception.S
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*/
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disable_irq();
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}
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void exception_init(void)
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{
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exception_init_per_cpu();
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}
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void handle_entry_c(int type, u64 esr, u64 address)
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{
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/* ec: exception class */
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u32 esr_ec = GET_ESR_EL1_EC(esr);
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kdebug
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("Interrupt type: %d, ESR: 0x%lx, Fault address: 0x%lx, EC 0b%b\n",
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type, esr, address, esr_ec);
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/* Dispatch exception according to EC */
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switch (esr_ec) {
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/*
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* Lab3: Your code here
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* Handle exceptions as required in the lab document. Checking exception codes in
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* esr.h may help.
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*/
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default:
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kdebug("Unsupported Exception ESR %lx\n", esr);
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break;
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}
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}
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