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//
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//
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//    Copyright 2010 TheSeven
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//
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//
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//    This file is part of emCORE.
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//
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//    emCORE is free software: you can redistribute it and/or
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//    modify it under the terms of the GNU General Public License as
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//    published by the Free Software Foundation, either version 2 of the
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//    License, or (at your option) any later version.
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//
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//    emCORE is distributed in the hope that it will be useful,
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//    but WITHOUT ANY WARRANTY; without even the implied warranty of
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//    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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//    See the GNU General Public License for more details.
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//
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//    You should have received a copy of the GNU General Public License along
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//    with emCORE.  If not, see <http://www.gnu.org/licenses/>.
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//
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//
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#include "global.h"
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#include "panic.h"
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#include "console.h"
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#include "format.h"
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#include "thread.h"
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#include "contextswitch.h"
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void handle_panic(enum panic_severity severity, uint32_t mode)
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{
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    if (severity == PANIC_FATAL) panic_fatal(mode);
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    struct scheduler_thread* t;
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    if (severity == PANIC_KILLUSERTHREADS)
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    {
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        int i;
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        for (t = head_thread; t; t = t->thread_next)
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            if (t->type == USER_THREAD)
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                t->state = THREAD_SUSPENDED;
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    }
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    current_thread->state = THREAD_DEFUNCT_ACK;
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    current_thread->block_type = THREAD_DEFUNCT_PANIC;
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    leave_critical_section(mode);
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    panic_recover(mode);
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}
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void panic(enum panic_severity severity, const char* string)
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{
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    uint32_t mode = enter_critical_section();
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    csputs(CONSOLE_PANIC, "\n*PANIC*\n");
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    csputs(CONSOLE_PANIC, string);
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    csputc(CONSOLE_PANIC, '\n');
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    csflush(CONSOLE_PANIC);
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    handle_panic(severity, mode);
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}
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void panicf(enum panic_severity severity, const char* string, ...)
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{
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    va_list ap;
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    uint32_t mode = enter_critical_section();
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    csputs(CONSOLE_PANIC, "\n*PANIC*\n");
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    va_start(ap, string);
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    csvprintf(CONSOLE_PANIC, string, ap);
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    va_end(ap);
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    csputc(CONSOLE_PANIC, '\n');
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    csflush(CONSOLE_PANIC);
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    handle_panic(severity, mode);
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}
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void __div0()
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{
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    panic(PANIC_KILLTHREAD, "Division by zero!");
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}