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vga: add default display to machine class 

This allows machine classes to specify which display device they want
as default.  If unspecified the current behavior (try cirrus, failing
that try stdvga, failing that use no display) will be used.

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
This commit is contained in:
Gerd Hoffmann 2014-10-28 10:09:11 +01:00 committed by Michael S. Tsirkin
parent d3f16ec887
commit 6f00494abe
3 changed files with 7 additions and 1 deletions
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1
hw/i386/pc.c
View File

@ -1526,6 +1526,7 @@ static void pc_generic_machine_class_init(ObjectClass *oc, void *data)
mc->is_default = qm->is_default;
mc->default_machine_opts = qm->default_machine_opts;
mc->default_boot_order = qm->default_boot_order;
mc->default_display = qm->default_display;
mc->compat_props = qm->compat_props;
mc->hw_version = qm->hw_version;
}

2
include/hw/boards.h
View File

@ -40,6 +40,7 @@ struct QEMUMachine {
int is_default;
const char *default_machine_opts;
const char *default_boot_order;
const char *default_display;
GlobalProperty *compat_props;
const char *hw_version;
};
@ -100,6 +101,7 @@ struct MachineClass {
int is_default;
const char *default_machine_opts;
const char *default_boot_order;
const char *default_display;
GlobalProperty *compat_props;
const char *hw_version;

5
vl.c
View File

@ -1444,6 +1444,7 @@ static void machine_class_init(ObjectClass *oc, void *data)
mc->is_default = qm->is_default;
mc->default_machine_opts = qm->default_machine_opts;
mc->default_boot_order = qm->default_boot_order;
mc->default_display = qm->default_display;
mc->compat_props = qm->compat_props;
mc->hw_version = qm->hw_version;
}
@ -4223,7 +4224,9 @@ int main(int argc, char **argv, char **envp)
/* If no default VGA is requested, the default is "none". */
if (default_vga) {
if (cirrus_vga_available()) {
if (machine_class->default_display) {
vga_model = machine_class->default_display;
} else if (cirrus_vga_available()) {
vga_model = "cirrus";
} else if (vga_available()) {
vga_model = "std";