Merge remote-tracking branch 'remotes/afaerber/tags/ppc-for-2.0' into staging

PowerPC queue for 2.0

* Fixes for -device VGA

# gpg: Signature made Thu 13 Mar 2014 19:57:12 GMT using RSA key ID 3E7E013F
# gpg: Good signature from "Andreas Färber <afaerber@suse.de>"
# gpg:                 aka "Andreas Färber <afaerber@suse.com>"

* remotes/afaerber/tags/ppc-for-2.0:
  spapr: Fix return value of vga initialization
  Fix vga_interface_type for command line argument '-device VGA'

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

3 files changed, 28 insertions, 23 deletions

diff --git a/hw/ppc/spapr.c b/hw/ppc/spapr.c
index bf46c380ec..5c9a154d6a 100644
--- a/hw/ppc/spapr.c
+++ b/hw/ppc/spapr.c
@@ -781,13 +781,15 @@ static int spapr_vga_init(PCIBus *pci_bus)
 {
     switch (vga_interface_type) {
     case VGA_NONE:
+        return false;
+    case VGA_DEVICE:
+        return true;
     case VGA_STD:
         return pci_vga_init(pci_bus) != NULL;
     default:
         fprintf(stderr, "This vga model is not supported,"
                 "currently it only supports -vga std\n");
         exit(0);
-        break;
     }
 }
 
diff --git a/include/sysemu/sysemu.h b/include/sysemu/sysemu.h
index b90df9ada1..c01304d39a 100644
--- a/include/sysemu/sysemu.h
+++ b/include/sysemu/sysemu.h
@@ -104,7 +104,7 @@ extern int autostart;
 
 typedef enum {
     VGA_NONE, VGA_STD, VGA_CIRRUS, VGA_VMWARE, VGA_XENFB, VGA_QXL,
-    VGA_TCX, VGA_CG3,
+    VGA_TCX, VGA_CG3, VGA_DEVICE
 } VGAInterfaceType;
 
 extern int vga_interface_type;
diff --git a/vl.c b/vl.c
index 862cf20f3c..842e897d75 100644
--- a/vl.c
+++ b/vl.c
@@ -213,6 +213,7 @@ uint32_t xen_domid;
 enum xen_mode xen_mode = XEN_EMULATE;
 static int tcg_tb_size;
 
+static int has_defaults = 1;
 static int default_serial = 1;
 static int default_parallel = 1;
 static int default_virtcon = 1;
@@ -973,7 +974,8 @@ static void parse_name(QemuOpts *opts)
 
 bool usb_enabled(bool default_usb)
 {
-    return qemu_opt_get_bool(qemu_get_machine_opts(), "usb", default_usb);
+    return qemu_opt_get_bool(qemu_get_machine_opts(), "usb",
+                             has_defaults && default_usb);
 }
 
 #ifndef _WIN32
@@ -2122,7 +2124,7 @@ static void select_vgahw (const char *p)
 {
     const char *opts;
 
-    vga_interface_type = VGA_NONE;
+    assert(vga_interface_type == VGA_NONE);
     if (strstart(p, "std", &opts)) {
         if (vga_available()) {
             vga_interface_type = VGA_STD;
@@ -2912,7 +2914,7 @@ int main(int argc, char **argv, char **envp)
     MachineClass *machine_class;
     QEMUMachine *machine;
     const char *cpu_model;
-    const char *vga_model = "none";
+    const char *vga_model = NULL;
     const char *qtest_chrdev = NULL;
     const char *qtest_log = NULL;
     const char *pid_file = NULL;
@@ -3762,16 +3764,7 @@ int main(int argc, char **argv, char **envp)
                 runstate_set(RUN_STATE_INMIGRATE);
                 break;
             case QEMU_OPTION_nodefaults:
-                default_serial = 0;
-                default_parallel = 0;
-                default_virtcon = 0;
-                default_sclp = 0;
-                default_monitor = 0;
-                default_net = 0;
-                default_floppy = 0;
-                default_cdrom = 0;
-                default_sdcard = 0;
-                default_vga = 0;
+                has_defaults = 0;
                 break;
             case QEMU_OPTION_xen_domid:
                 if (!(xen_available())) {
@@ -4004,27 +3997,35 @@ int main(int argc, char **argv, char **envp)
     qemu_opts_foreach(qemu_find_opts("device"), default_driver_check, NULL, 0);
     qemu_opts_foreach(qemu_find_opts("global"), default_driver_check, NULL, 0);
 
-    if (machine->no_serial) {
+    if (!vga_model && !default_vga) {
+        vga_interface_type = VGA_DEVICE;
+    }
+    if (!has_defaults || machine->no_serial) {
         default_serial = 0;
     }
-    if (machine->no_parallel) {
+    if (!has_defaults || machine->no_parallel) {
         default_parallel = 0;
     }
-    if (!machine->use_virtcon) {
+    if (!has_defaults || !machine->use_virtcon) {
         default_virtcon = 0;
     }
-    if (!machine->use_sclp) {
+    if (!has_defaults || !machine->use_sclp) {
         default_sclp = 0;
     }
-    if (machine->no_floppy) {
+    if (!has_defaults || machine->no_floppy) {
         default_floppy = 0;
     }
-    if (machine->no_cdrom) {
+    if (!has_defaults || machine->no_cdrom) {
         default_cdrom = 0;
     }
-    if (machine->no_sdcard) {
+    if (!has_defaults || machine->no_sdcard) {
         default_sdcard = 0;
     }
+    if (!has_defaults) {
+        default_monitor = 0;
+        default_net = 0;
+        default_vga = 0;
+    }
 
     if (is_daemonized()) {
         /* According to documentation and historically, -nographic redirects
@@ -4329,7 +4330,9 @@ int main(int argc, char **argv, char **envp)
             vga_model = "std";
         }
     }
-    select_vgahw(vga_model);
+    if (vga_model) {
+        select_vgahw(vga_model);
+    }
 
     if (watchdog) {
         i = select_watchdog(watchdog);