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2 pj 1 
/* Project:     OSLib
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 * Description: The OS Construction Kit
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 * Date:                1.6.2000
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 * Idea by:             Luca Abeni & Gerardo Lamastra
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 *
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 * OSLib is an SO project aimed at developing a common, easy-to-use
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 * low-level infrastructure for developing OS kernels and Embedded
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 * Applications; it partially derives from the HARTIK project but it
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 * currently is independently developed.
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 *
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 * OSLib is distributed under GPL License, and some of its code has
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 * been derived from the Linux kernel source; also some important
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 * ideas come from studying the DJGPP go32 extender.
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 *
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 * We acknowledge the Linux Community, Free Software Foundation,
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 * D.J. Delorie and all the other developers who believe in the
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 * freedom of software and ideas.
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 *
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 * For legalese, check out the included GPL license.
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 */
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#include <ll/i386/hw-func.h>
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#include <ll/i386/stdlib.h>
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#include <ll/unistd.h>
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FILE(stdlib);
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int ll_exit_mode = EXIT_MODE_REAL;
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unsigned abs(int x)
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{
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        if (x < 0) return(-x);
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        else return(x);
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}
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int ll_set_reboot(int mode)
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{
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        switch(mode) {
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                case EXIT_MODE_HALT:
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                        ll_exit_mode = EXIT_MODE_HALT;
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                        break;
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                case EXIT_MODE_COLD:
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                        ll_exit_mode = EXIT_MODE_COLD;
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                        break;
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                case EXIT_MODE_WARM:
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                        ll_exit_mode = EXIT_MODE_WARM;
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                        break;
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                default:
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                        ll_exit_mode = EXIT_MODE_REAL;
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                        break;
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        }
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        return ll_exit_mode;
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}
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void l1_exit(int code)
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{
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        extern void bios_restore(void);
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        bios_restore();
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        //printk("Exiting with mode: %d\n", ll_exit_mode);
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        switch (ll_exit_mode) {
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                case EXIT_MODE_HALT:
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                        halt();
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                        break;
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                case EXIT_MODE_COLD:
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                        cold_reboot();
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                        break;
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                case EXIT_MODE_WARM:
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                        warm_reboot();
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                        break;
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                default:
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                        __exit(code);
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                        break;
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        }
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}