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reset and shutdown support - PCI is now the default

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git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@937 c046a42c-6fe2-441c-8c8c-71466251a162
This commit is contained in:
bellard 2004-06-20 12:37:32 +00:00
parent 979a54fb20
commit bb0c6722b6
2 changed files with 81 additions and 5 deletions
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78
vl.c
View file

@ -127,7 +127,7 @@ SerialState *serial_console;
QEMUTimer *gui_timer;
int vm_running;
int audio_enabled = 0;
int pci_enabled = 0;
int pci_enabled = 1;
int prep_enabled = 0;
int rtc_utc = 1;
int cirrus_vga_enabled = 0;
@ -1819,6 +1819,62 @@ void vm_stop(int reason)
}
}
/* reset/shutdown handler */
typedef struct QEMUResetEntry {
QEMUResetHandler *func;
void *opaque;
struct QEMUResetEntry *next;
} QEMUResetEntry;
static QEMUResetEntry *first_reset_entry;
static int reset_requested;
static int shutdown_requested;
void qemu_register_reset(QEMUResetHandler *func, void *opaque)
{
QEMUResetEntry **pre, *re;
pre = &first_reset_entry;
while (*pre != NULL)
pre = &(*pre)->next;
re = qemu_mallocz(sizeof(QEMUResetEntry));
re->func = func;
re->opaque = opaque;
re->next = NULL;
*pre = re;
}
void qemu_system_reset(void)
{
QEMUResetEntry *re;
/* reset all devices */
for(re = first_reset_entry; re != NULL; re = re->next) {
re->func(re->opaque);
}
}
void qemu_system_reset_request(void)
{
reset_requested = 1;
cpu_interrupt(cpu_single_env, CPU_INTERRUPT_EXIT);
}
void qemu_system_shutdown_request(void)
{
shutdown_requested = 1;
cpu_interrupt(cpu_single_env, CPU_INTERRUPT_EXIT);
}
static void main_cpu_reset(void *opaque)
{
#ifdef TARGET_I386
CPUState *env = opaque;
cpu_reset(env);
#endif
}
int main_loop(void)
{
#ifndef _WIN32
@ -1833,10 +1889,15 @@ int main_loop(void)
for(;;) {
if (vm_running) {
ret = cpu_exec(env);
if (reset_requested) {
if (shutdown_requested) {
ret = EXCP_INTERRUPT;
break;
}
if (reset_requested) {
reset_requested = 0;
qemu_system_reset();
ret = EXCP_INTERRUPT;
}
if (ret == EXCP_DEBUG) {
vm_stop(EXCP_DEBUG);
}
@ -1967,6 +2028,9 @@ void help(void)
"-nographic disable graphical output and redirect serial I/Os to console\n"
"-enable-audio enable audio support\n"
"-localtime set the real time clock to local time [default=utc]\n"
#ifdef TARGET_PPC
"-prep Simulate a PREP system (default is PowerMAC)\n"
#endif
"\n"
"Network options:\n"
"-nics n simulate 'n' network cards [default=1]\n"
@ -1993,7 +2057,9 @@ void help(void)
#ifdef USE_CODE_COPY
"-no-code-copy disable code copy acceleration\n"
#endif
#ifdef TARGET_I386
"-isa simulate an ISA-only system (default is PCI system)\n"
#endif
"\n"
"During emulation, use C-a h to get terminal commands:\n",
#ifdef CONFIG_SOFTMMU
@ -2052,6 +2118,7 @@ enum {
QEMU_OPTION_L,
QEMU_OPTION_no_code_copy,
QEMU_OPTION_pci,
QEMU_OPTION_isa,
QEMU_OPTION_prep,
QEMU_OPTION_localtime,
QEMU_OPTION_cirrusvga,
@ -2103,6 +2170,7 @@ const QEMUOption qemu_options[] = {
{ "prep", 0, QEMU_OPTION_prep },
#endif
{ "localtime", 0, QEMU_OPTION_localtime },
{ "isa", 0, QEMU_OPTION_isa },
/* temporary options */
{ "pci", 0, QEMU_OPTION_pci },
@ -2380,6 +2448,9 @@ int main(int argc, char **argv)
case QEMU_OPTION_pci:
pci_enabled = 1;
break;
case QEMU_OPTION_isa:
pci_enabled = 0;
break;
case QEMU_OPTION_prep:
prep_enabled = 1;
break;
@ -2562,6 +2633,7 @@ int main(int argc, char **argv)
register_savevm("timer", 0, 1, timer_save, timer_load, env);
register_savevm("cpu", 0, 1, cpu_save, cpu_load, env);
register_savevm("ram", 0, 1, ram_save, ram_load, NULL);
qemu_register_reset(main_cpu_reset, global_env);
init_ioports();
cpu_calibrate_ticks();

8
vl.h
View file

@ -205,8 +205,6 @@ static inline uint32_t le32_to_cpupu(const uint32_t *p)
#endif
/* vl.c */
extern int reset_requested;
uint64_t muldiv64(uint64_t a, uint32_t b, uint32_t c);
void hw_error(const char *fmt, ...);
@ -229,6 +227,12 @@ void qemu_del_vm_stop_handler(VMStopHandler *cb, void *opaque);
void vm_start(void);
void vm_stop(int reason);
typedef void QEMUResetHandler(void *opaque);
void qemu_register_reset(QEMUResetHandler *func, void *opaque);
void qemu_system_reset_request(void);
void qemu_system_shutdown_request(void);
extern int audio_enabled;
extern int ram_size;
extern int bios_size;