mirrors/qemu
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

VL license of the day is MIT/BSD

Browse Source 
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@281 c046a42c-6fe2-441c-8c8c-71466251a162
This commit is contained in:
bellard 2003-06-25 16:20:35 +00:00
parent 4351832355
commit 1df912cf9e
1 changed files with 24 additions and 6 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

30
vl.c
View File

@ -1,13 +1,29 @@
/* /*
* QEMU based User Mode Linux * QEMU PC System Emulator
* *
* This file is part of proprietary software - it is published here * Copyright (c) 2003 Fabrice Bellard
* only for demonstration and information purposes.
* *
* Copyright (c) 2003 Fabrice Bellard * Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/ */
#include <stdlib.h> #include <stdlib.h>
#include <stdio.h> #include <stdio.h>
#include <stdarg.h>
#include <string.h> #include <string.h>
#include <getopt.h> #include <getopt.h>
#include <inttypes.h> #include <inttypes.h>
@ -163,6 +179,7 @@ typedef uint32_t (IOPortReadFunc)(CPUX86State *env, uint32_t address);
char phys_ram_file[1024]; char phys_ram_file[1024];
CPUX86State *global_env; CPUX86State *global_env;
CPUX86State *cpu_single_env;
FILE *logfile = NULL; FILE *logfile = NULL;
int loglevel; int loglevel;
IOPortReadFunc *ioport_readb_table[MAX_IOPORTS]; IOPortReadFunc *ioport_readb_table[MAX_IOPORTS];
@ -1658,7 +1675,7 @@ static int timer_irq_pending;
static void host_alarm_handler(int host_signum, siginfo_t *info, static void host_alarm_handler(int host_signum, siginfo_t *info,
void *puc) void *puc)
{ {
/* just exit from the cpu to have a change to handle timers */ /* just exit from the cpu to have a chance to handle timers */
cpu_x86_interrupt(global_env); cpu_x86_interrupt(global_env);
timer_irq_pending = 1; timer_irq_pending = 1;
} }
@ -1811,6 +1828,7 @@ int main(int argc, char **argv)
/* init CPU state */ /* init CPU state */
env = cpu_init(); env = cpu_init();
global_env = env; global_env = env;
cpu_single_env = env;
/* setup basic memory access */ /* setup basic memory access */
env->cr[0] = 0x00000033; env->cr[0] = 0x00000033;
@ -1893,7 +1911,7 @@ int main(int argc, char **argv)
} }
} }
/* just for testing */ /* timer IRQ */
if (timer_irq_pending) { if (timer_irq_pending) {
pic_set_irq(0, 1); pic_set_irq(0, 1);
pic_set_irq(0, 0); pic_set_irq(0, 0);