52 lines
1.4 KiB
C
52 lines
1.4 KiB
C
/*
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* Copyright (c) 2020 Institute of Parallel And Distributed Systems (IPADS), Shanghai Jiao Tong University (SJTU)
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* OS-Lab-2020 (i.e., ChCore) is licensed under the Mulan PSL v1.
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* You can use this software according to the terms and conditions of the Mulan PSL v1.
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* 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 KIND, EITHER EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT, MERCHANTABILITY OR FIT FOR A PARTICULAR
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* PURPOSE.
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* See the Mulan PSL v1 for more details.
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*/
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#include <common/kprint.h>
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#include <common/macro.h>
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#include <common/uart.h>
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#include <common/machine.h>
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ALIGN(STACK_ALIGNMENT)
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char kernel_stack[PLAT_CPU_NUM][KERNEL_STACK_SIZE];
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int stack_backtrace();
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// Test the stack backtrace function (lab 1 only)
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__attribute__ ((optimize("O1")))
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void stack_test(long x)
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{
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kinfo("entering stack_test %d\n", x);
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if (x > 0)
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stack_test(x - 1);
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else
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stack_backtrace();
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kinfo("leaving stack_test %d\n", x);
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}
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void main(void *addr)
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{
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/* Init uart */
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uart_init();
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kinfo("[ChCore] uart init finished\n");
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kinfo("Address of main() is 0x%lx\n", main);
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kinfo("123456 decimal is 0%o octal\n", 123456);
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stack_test(5);
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break_point();
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return;
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/* Should provide panic and use here */
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BUG("[FATAL] Should never be here!\n");
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}
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