audio: add deprecated_register_soundhw

Add helper function for -soundhw deprecation.  It can replace the
simple init functions which just call {isa,pci}_create_simple()
with a hardcoded type.  It also prints a deprecation message.

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Message-id: 20200702132525.6849-4-kraxel@redhat.com

2 files changed, 25 insertions, 1 deletions

diff --git a/hw/audio/soundhw.c b/hw/audio/soundhw.c
index c750473c8f..173b674ff5 100644
--- a/hw/audio/soundhw.c
+++ b/hw/audio/soundhw.c
@@ -22,6 +22,7 @@
  * THE SOFTWARE.
  */
 #include "qemu/osdep.h"
+#include "qemu/option.h"
 #include "qemu/help_option.h"
 #include "qemu/error-report.h"
 #include "qom/object.h"
@@ -32,6 +33,7 @@
 struct soundhw {
     const char *name;
     const char *descr;
+    const char *typename;
     int enabled;
     int isa;
     union {
@@ -65,6 +67,17 @@ void pci_register_soundhw(const char *name, const char *descr,
     soundhw_count++;
 }
 
+void deprecated_register_soundhw(const char *name, const char *descr,
+                                 int isa, const char *typename)
+{
+    assert(soundhw_count < ARRAY_SIZE(soundhw) - 1);
+    soundhw[soundhw_count].name = name;
+    soundhw[soundhw_count].descr = descr;
+    soundhw[soundhw_count].isa = isa;
+    soundhw[soundhw_count].typename = typename;
+    soundhw_count++;
+}
+
 void select_soundhw(const char *optarg)
 {
     struct soundhw *c;
@@ -136,7 +149,16 @@ void soundhw_init(void)
 
     for (c = soundhw; c->name; ++c) {
         if (c->enabled) {
-            if (c->isa) {
+            if (c->typename) {
+                warn_report("'-soundhw %s' is deprecated, "
+                            "please use '-device %s' instead",
+                            c->name, c->typename);
+                if (c->isa) {
+                    isa_create_simple(isa_bus, c->typename);
+                } else {
+                    pci_create_simple(pci_bus, -1, c->typename);
+                }
+            } else if (c->isa) {
                 if (!isa_bus) {
                     error_report("ISA bus not available for %s", c->name);
                     exit(1);
diff --git a/include/hw/audio/soundhw.h b/include/hw/audio/soundhw.h
index c8eef82418..f09a297854 100644
--- a/include/hw/audio/soundhw.h
+++ b/include/hw/audio/soundhw.h
@@ -6,6 +6,8 @@ void isa_register_soundhw(const char *name, const char *descr,
 
 void pci_register_soundhw(const char *name, const char *descr,
                           int (*init_pci)(PCIBus *bus));
+void deprecated_register_soundhw(const char *name, const char *descr,
+                                 int isa, const char *typename);
 
 void soundhw_init(void);
 void select_soundhw(const char *optarg);