Test if compiler works instead of checking if binary exists.

[qemu] / vl.c

diff --git a/vl.c b/vl.c
index 71d5f57..e828d31 100644 (file)
--- a/vl.c
+++ b/vl.c
@@ -157,6 +157,7 @@ int vnc_display = -1;
 #else
 #define MAX_CPUS 1
 #endif
+int acpi_enabled = 1;
 
 /***********************************************************/
 /* x86 ISA bus support */
@@ -4409,7 +4410,7 @@ void qemu_system_powerdown_request(void)
 void main_loop_wait(int timeout)
 {
     IOHandlerRecord *ioh, *ioh_next;
-    fd_set rfds, wfds;
+    fd_set rfds, wfds, xfds;
     int ret, nfds;
     struct timeval tv;
     PollingEntry *pe;
@@ -4444,6 +4445,7 @@ void main_loop_wait(int timeout)
     nfds = -1;
     FD_ZERO(&rfds);
     FD_ZERO(&wfds);
+    FD_ZERO(&xfds);
     for(ioh = first_io_handler; ioh != NULL; ioh = ioh->next) {
         if (ioh->fd_read &&
             (!ioh->fd_read_poll ||
@@ -4465,7 +4467,12 @@ void main_loop_wait(int timeout)
 #else
     tv.tv_usec = timeout * 1000;
 #endif
-    ret = select(nfds + 1, &rfds, &wfds, NULL, &tv);
+#if defined(CONFIG_SLIRP)
+    if (slirp_inited) {
+        slirp_select_fill(&nfds, &rfds, &wfds, &xfds);
+    }
+#endif
+    ret = select(nfds + 1, &rfds, &wfds, &xfds, &tv);
     if (ret > 0) {
         /* XXX: better handling of removal */
         for(ioh = first_io_handler; ioh != NULL; ioh = ioh_next) {
@@ -4478,30 +4485,19 @@ void main_loop_wait(int timeout)
             }
         }
     }
-#ifdef _WIN32
-    tap_win32_poll();
-#endif
-
 #if defined(CONFIG_SLIRP)
-    /* XXX: merge with the previous select() */
     if (slirp_inited) {
-        fd_set rfds, wfds, xfds;
-        int nfds;
-        struct timeval tv;
-        
-        nfds = -1;
-        FD_ZERO(&rfds);
-        FD_ZERO(&wfds);
-        FD_ZERO(&xfds);
-        slirp_select_fill(&nfds, &rfds, &wfds, &xfds);
-        tv.tv_sec = 0;
-        tv.tv_usec = 0;
-        ret = select(nfds + 1, &rfds, &wfds, &xfds, &tv);
-        if (ret >= 0) {
-            slirp_select_poll(&rfds, &wfds, &xfds);
+        if (ret < 0) {
+            FD_ZERO(&rfds);
+            FD_ZERO(&wfds);
+            FD_ZERO(&xfds);
         }
+        slirp_select_poll(&rfds, &wfds, &xfds);
     }
 #endif
+#ifdef _WIN32
+    tap_win32_poll();
+#endif
 
     if (vm_running) {
         qemu_run_timers(&active_timers[QEMU_TIMER_VIRTUAL], 
@@ -4680,6 +4676,7 @@ void help(void)
            "                translation (t=none or lba) (usually qemu can guess them)\n"
            "-L path         set the directory for the BIOS and VGA BIOS\n"
 #ifdef USE_KQEMU
+           "-kernel-kqemu   enable KQEMU full virtualization (default is user mode only)\n"
            "-no-kqemu       disable KQEMU kernel module usage\n"
 #endif
 #ifdef USE_CODE_COPY
@@ -4688,6 +4685,7 @@ void help(void)
 #ifdef TARGET_I386
            "-std-vga        simulate a standard VGA card with VESA Bochs Extensions\n"
            "                (default is CL-GD5446 PCI VGA)\n"
+           "-no-acpi        disable ACPI\n"
 #endif
            "-loadvm file    start right away with a saved state (loadvm in monitor)\n"
           "-vnc display    start a VNC server on display\n"
@@ -4775,6 +4773,7 @@ enum {
     QEMU_OPTION_usbdevice,
     QEMU_OPTION_smp,
     QEMU_OPTION_vnc,
+    QEMU_OPTION_no_acpi,
 };
 
 typedef struct QEMUOption {
@@ -4847,6 +4846,7 @@ const QEMUOption qemu_options[] = {
     /* temporary options */
     { "usb", 0, QEMU_OPTION_usb },
     { "cirrusvga", 0, QEMU_OPTION_cirrusvga },
+    { "no-acpi", 0, QEMU_OPTION_no_acpi },
     { NULL },
 };
 
@@ -5448,6 +5448,9 @@ int main(int argc, char **argv)
                    exit(1);
                }
                break;
+            case QEMU_OPTION_no_acpi:
+                acpi_enabled = 0;
+                break;
             }
         }
     }