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57 lines
1.2 KiB
C
57 lines
1.2 KiB
C
/* See the end of this file for copyright and license terms. */
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#include <arch/cpufunc.h>
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#include <gay/kprintf.h>
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#include <gay/types.h>
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#include <gay/util.h>
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#include <stdarg.h>
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void panic(const char *fmt, ...)
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{
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va_list args;
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va_start(args, fmt);
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disable_intr();
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kprintf("Kernel panic: ");
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if (fmt == nil)
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kprintf("(nil)\n");
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else
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kvprintf(fmt, args);
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kprintf("\nSystem halted");
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/* no need for va_end() here i guess */
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while (1) {
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halt();
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disable_intr();
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}
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}
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void *ptr_align(void *ptr, int log)
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{
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uintptr_t shifted = 1 << abs(log);
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uintptr_t aligned = (uintptr_t)ptr & ~(shifted - 1);
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if (log > 0 && aligned != (uintptr_t)ptr)
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aligned += shifted;
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return (void *)aligned;
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}
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/*
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* This file is part of GayBSD.
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* Copyright (c) 2021 fef <owo@fef.moe>.
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*
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* GayBSD is nonviolent software: you may only use, redistribute, and/or
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* modify it under the terms of the Cooperative Nonviolent Public License
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* (CNPL) as found in the LICENSE file in the source code root directory
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* or at <https://git.pixie.town/thufie/npl-builder>; either version 7
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* of the license, or (at your option) any later version.
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*
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* GayBSD comes with ABSOLUTELY NO WARRANTY, to the extent
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* permitted by applicable law. See the CNPL for details.
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*/
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