Revision 1df912cf vl.c

b/vl.c
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/*
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 * QEMU based User Mode Linux
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 * QEMU PC System Emulator
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 *
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 * This file is part of proprietary software - it is published here
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 * only for demonstration and information purposes.
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 * Copyright (c) 2003 Fabrice Bellard
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 *
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 * Copyright (c) 2003 Fabrice Bellard
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 * Permission is hereby granted, free of charge, to any person obtaining a copy
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 * of this software and associated documentation files (the "Software"), to deal
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 * in the Software without restriction, including without limitation the rights
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 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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 * copies of the Software, and to permit persons to whom the Software is
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 * furnished to do so, subject to the following conditions:
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 *
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 * The above copyright notice and this permission notice shall be included in
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 * all copies or substantial portions of the Software.
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 *
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 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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 * THE SOFTWARE.
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 */
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#include <stdlib.h>
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#include <stdio.h>
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#include <stdarg.h>
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#include <string.h>
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#include <getopt.h>
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#include <inttypes.h>
......
163 179 

  		





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char phys_ram_file[1024];


  		





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CPUX86State *global_env;


  		





  
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CPUX86State *cpu_single_env;


  		





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FILE *logfile = NULL;


  		





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int loglevel;


  		





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IOPortReadFunc *ioport_readb_table[MAX_IOPORTS];


  		





  ......




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static void host_alarm_handler(int host_signum, siginfo_t *info, 


  		





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                               void *puc)


  		





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{


  		





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    /* just exit from the cpu to have a change to handle timers */


  		





  
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    /* just exit from the cpu to have a chance to handle timers */


  		





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    cpu_x86_interrupt(global_env);


  		





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    timer_irq_pending = 1;


  		





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}


  		





  ......




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    /* init CPU state */


  		





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    env = cpu_init();


  		





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    global_env = env;


  		





  
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    cpu_single_env = env;


  		





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    /* setup basic memory access */


  		





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    env->cr[0] = 0x00000033;


  		





  ......




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            }


  		





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        }


  		





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        /* just for testing */


  		





  
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        /* timer IRQ */


  		





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        if (timer_irq_pending) {


  		





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            pic_set_irq(0, 1);


  		





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            pic_set_irq(0, 0);


  		












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