target-arm: Set Invalid flag for NaN in float-to-int conversions

[qemu.git] / vl.c

diff --git a/vl.c b/vl.c
index 192a240b52e3b3f9ee9bb0b457880519f60ff6e4..68c3b532bce593cd1f4f452fd1b3077a6c2f2cb9 100644 (file)
--- a/vl.c
+++ b/vl.c
@@ -1022,68 +1022,6 @@ void pcmcia_info(Monitor *mon)
                        "Empty");
 }
 
-/***********************************************************/
-/* I/O handling */
-
-typedef struct IOHandlerRecord {
-    int fd;
-    IOCanReadHandler *fd_read_poll;
-    IOHandler *fd_read;
-    IOHandler *fd_write;
-    int deleted;
-    void *opaque;
-    /* temporary data */
-    struct pollfd *ufd;
-    QLIST_ENTRY(IOHandlerRecord) next;
-} IOHandlerRecord;
-
-static QLIST_HEAD(, IOHandlerRecord) io_handlers =
-    QLIST_HEAD_INITIALIZER(io_handlers);
-
-
-/* XXX: fd_read_poll should be suppressed, but an API change is
-   necessary in the character devices to suppress fd_can_read(). */
-int qemu_set_fd_handler2(int fd,
-                         IOCanReadHandler *fd_read_poll,
-                         IOHandler *fd_read,
-                         IOHandler *fd_write,
-                         void *opaque)
-{
-    IOHandlerRecord *ioh;
-
-    if (!fd_read && !fd_write) {
-        QLIST_FOREACH(ioh, &io_handlers, next) {
-            if (ioh->fd == fd) {
-                ioh->deleted = 1;
-                break;
-            }
-        }
-    } else {
-        QLIST_FOREACH(ioh, &io_handlers, next) {
-            if (ioh->fd == fd)
-                goto found;
-        }
-        ioh = qemu_mallocz(sizeof(IOHandlerRecord));
-        QLIST_INSERT_HEAD(&io_handlers, ioh, next);
-    found:
-        ioh->fd = fd;
-        ioh->fd_read_poll = fd_read_poll;
-        ioh->fd_read = fd_read;
-        ioh->fd_write = fd_write;
-        ioh->opaque = opaque;
-        ioh->deleted = 0;
-    }
-    return 0;
-}
-
-int qemu_set_fd_handler(int fd,
-                        IOHandler *fd_read,
-                        IOHandler *fd_write,
-                        void *opaque)
-{
-    return qemu_set_fd_handler2(fd, NULL, fd_read, fd_write, opaque);
-}
-
 /***********************************************************/
 /* machine registration */
 
@@ -1231,8 +1169,15 @@ int qemu_shutdown_requested(void)
 void qemu_kill_report(void)
 {
     if (shutdown_signal != -1) {
-        fprintf(stderr, "Got signal %d from pid %d\n",
-                         shutdown_signal, shutdown_pid);
+        fprintf(stderr, "qemu: terminating on signal %d", shutdown_signal);
+        if (shutdown_pid == 0) {
+            /* This happens for eg ^C at the terminal, so it's worth
+             * avoiding printing an odd message in that case.
+             */
+            fputc('\n', stderr);
+        } else {
+            fprintf(stderr, " from pid %d\n", shutdown_pid);
+        }
         shutdown_signal = -1;
     }
 }
@@ -1343,7 +1288,6 @@ void qemu_system_vmstop_request(int reason)
 
 void main_loop_wait(int nonblocking)
 {
-    IOHandlerRecord *ioh;
     fd_set rfds, wfds, xfds;
     int ret, nfds;
     struct timeval tv;
@@ -1358,56 +1302,23 @@ void main_loop_wait(int nonblocking)
 
     os_host_main_loop_wait(&timeout);
 
+    tv.tv_sec = timeout / 1000;
+    tv.tv_usec = (timeout % 1000) * 1000;
+
     /* poll any events */
     /* XXX: separate device handlers from system ones */
     nfds = -1;
     FD_ZERO(&rfds);
     FD_ZERO(&wfds);
     FD_ZERO(&xfds);
-    QLIST_FOREACH(ioh, &io_handlers, next) {
-        if (ioh->deleted)
-            continue;
-        if (ioh->fd_read &&
-            (!ioh->fd_read_poll ||
-             ioh->fd_read_poll(ioh->opaque) != 0)) {
-            FD_SET(ioh->fd, &rfds);
-            if (ioh->fd > nfds)
-                nfds = ioh->fd;
-        }
-        if (ioh->fd_write) {
-            FD_SET(ioh->fd, &wfds);
-            if (ioh->fd > nfds)
-                nfds = ioh->fd;
-        }
-    }
-
-    tv.tv_sec = timeout / 1000;
-    tv.tv_usec = (timeout % 1000) * 1000;
-
+    qemu_iohandler_fill(&nfds, &rfds, &wfds, &xfds);
     slirp_select_fill(&nfds, &rfds, &wfds, &xfds);
 
     qemu_mutex_unlock_iothread();
     ret = select(nfds + 1, &rfds, &wfds, &xfds, &tv);
     qemu_mutex_lock_iothread();
-    if (ret > 0) {
-        IOHandlerRecord *pioh;
-
-        QLIST_FOREACH_SAFE(ioh, &io_handlers, next, pioh) {
-            if (!ioh->deleted && ioh->fd_read && FD_ISSET(ioh->fd, &rfds)) {
-                ioh->fd_read(ioh->opaque);
-            }
-            if (!ioh->deleted && ioh->fd_write && FD_ISSET(ioh->fd, &wfds)) {
-                ioh->fd_write(ioh->opaque);
-            }
-
-            /* Do this last in case read/write handlers marked it for deletion */
-            if (ioh->deleted) {
-                QLIST_REMOVE(ioh, next);
-                qemu_free(ioh);
-            }
-        }
-    }
 
+    qemu_iohandler_poll(&rfds, &wfds, &xfds, ret);
     slirp_select_poll(&rfds, &wfds, &xfds, (ret < 0));
 
     qemu_run_all_timers();
@@ -1687,7 +1598,7 @@ static int balloon_parse(const char *arg)
             /* create empty opts */
             opts = qemu_opts_create(qemu_find_opts("device"), NULL, 0);
         }
-        qemu_opt_set(opts, "driver", "virtio-balloon-pci");
+        qemu_opt_set(opts, "driver", "virtio-balloon");
         return 0;
     }
 
@@ -2191,7 +2102,9 @@ int main(int argc, char **argv, char **envp)
                           HD_OPTS);
                 break;
             case QEMU_OPTION_drive:
-                drive_def(optarg);
+                if (drive_def(optarg) == NULL) {
+                    exit(1);
+                }
                break;
             case QEMU_OPTION_set:
                 if (qemu_set_option(optarg) != 0)
@@ -2573,12 +2486,12 @@ int main(int argc, char **argv, char **envp)
                          qemu_opt_get(opts, "path"),
                          qemu_opt_get(opts, "security_model"));
 
-                len = strlen("virtio-9p-pci,fsdev=,mount_tag=");
+                len = strlen("virtio-9p,fsdev=,mount_tag=");
                 len += 2*strlen(qemu_opt_get(opts, "mount_tag"));
                 arg_9p = qemu_malloc((len + 1) * sizeof(*arg_9p));
 
                 snprintf(arg_9p, (len + 1) * sizeof(*arg_9p),
-                         "virtio-9p-pci,fsdev=%s,mount_tag=%s",
+                         "virtio-9p,fsdev=%s,mount_tag=%s",
                          qemu_opt_get(opts, "mount_tag"),
                          qemu_opt_get(opts, "mount_tag"));
 
@@ -3148,9 +3061,6 @@ int main(int argc, char **argv, char **envp)
 
     cpu_synchronize_all_post_init();
 
-    /* must be after terminal init, SDL library changes signal handlers */
-    os_setup_signal_handling();
-
     set_numa_modes();
 
     current_machine = machine;
@@ -3206,6 +3116,9 @@ int main(int argc, char **argv, char **envp)
         break;
     }
 
+    /* must be after terminal init, SDL library changes signal handlers */
+    os_setup_signal_handling();
+
 #ifdef CONFIG_VNC
     /* init remote displays */
     if (vnc_display) {