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-rw-r--r--vl.c78
-rw-r--r--vl.h8
2 files changed, 81 insertions, 5 deletions
diff --git a/vl.c b/vl.c
index cdebcc2..fb073c2 100644
--- a/vl.c
+++ b/vl.c
@@ -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();
diff --git a/vl.h b/vl.h
index dde4e5d..fd23405 100644
--- a/vl.h
+++ b/vl.h
@@ -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;
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