/[qemu]/qemu/vl.c
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revision 1.2 by bellard, Wed Jun 25 00:07:40 2003 UTC revision 1.3 by bellard, Wed Jun 25 16:20:35 2003 UTC
# Line 1  Line 1 
1  /*  /*
2   * QEMU based User Mode Linux   * QEMU PC System Emulator
3   *   *
4   * This file is part of proprietary software - it is published here   * Copyright (c) 2003 Fabrice Bellard
  * only for demonstration and information purposes.  
5   *   *
6   * Copyright (c) 2003 Fabrice Bellard   * Permission is hereby granted, free of charge, to any person obtaining a copy
7     * of this software and associated documentation files (the "Software"), to deal
8     * in the Software without restriction, including without limitation the rights
9     * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
10     * copies of the Software, and to permit persons to whom the Software is
11     * furnished to do so, subject to the following conditions:
12     *
13     * The above copyright notice and this permission notice shall be included in
14     * all copies or substantial portions of the Software.
15     *
16     * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17     * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18     * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
19     * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20     * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
21     * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
22     * THE SOFTWARE.
23   */   */
24  #include <stdlib.h>  #include <stdlib.h>
25  #include <stdio.h>  #include <stdio.h>
26    #include <stdarg.h>
27  #include <string.h>  #include <string.h>
28  #include <getopt.h>  #include <getopt.h>
29  #include <inttypes.h>  #include <inttypes.h>
# Line 163  typedef uint32_t (IOPortReadFunc)(CPUX86 Line 179  typedef uint32_t (IOPortReadFunc)(CPUX86
179    
180  char phys_ram_file[1024];  char phys_ram_file[1024];
181  CPUX86State *global_env;  CPUX86State *global_env;
182    CPUX86State *cpu_single_env;
183  FILE *logfile = NULL;  FILE *logfile = NULL;
184  int loglevel;  int loglevel;
185  IOPortReadFunc *ioport_readb_table[MAX_IOPORTS];  IOPortReadFunc *ioport_readb_table[MAX_IOPORTS];
# Line 1658  static int timer_irq_pending; Line 1675  static int timer_irq_pending;
1675  static void host_alarm_handler(int host_signum, siginfo_t *info,  static void host_alarm_handler(int host_signum, siginfo_t *info,
1676                                 void *puc)                                 void *puc)
1677  {  {
1678      /* just exit from the cpu to have a change to handle timers */      /* just exit from the cpu to have a chance to handle timers */
1679      cpu_x86_interrupt(global_env);      cpu_x86_interrupt(global_env);
1680      timer_irq_pending = 1;      timer_irq_pending = 1;
1681  }  }
# Line 1811  int main(int argc, char **argv) Line 1828  int main(int argc, char **argv)
1828      /* init CPU state */      /* init CPU state */
1829      env = cpu_init();      env = cpu_init();
1830      global_env = env;      global_env = env;
1831        cpu_single_env = env;
1832    
1833      /* setup basic memory access */      /* setup basic memory access */
1834      env->cr[0] = 0x00000033;      env->cr[0] = 0x00000033;
# Line 1893  int main(int argc, char **argv) Line 1911  int main(int argc, char **argv)
1911              }              }
1912          }          }
1913    
1914          /* just for testing */          /* timer IRQ */
1915          if (timer_irq_pending) {          if (timer_irq_pending) {
1916              pic_set_irq(0, 1);              pic_set_irq(0, 1);
1917              pic_set_irq(0, 0);              pic_set_irq(0, 0);

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