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artist: Allow disabling artist on command line

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Allow users to disable the artist graphic card on the command line
with the option "-global artist.disable=true".
This change allows to use other graphic cards when using Linux, e.g.
by adding "-device ati-vga".

Signed-off-by: Helge Deller <deller@gmx.de>
This commit is contained in:
Helge Deller 2025-02-04 20:55:18 +01:00
parent c061efca0b
commit d4b3c92790
1 changed files with 6 additions and 3 deletions
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9
hw/display/artist.c
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@ -48,6 +48,7 @@ struct ARTISTState {
struct vram_buffer vram_buffer[16]; struct vram_buffer vram_buffer[16];
bool disable;
uint16_t width; uint16_t width;
uint16_t height; uint16_t height;
uint16_t depth; uint16_t depth;
@ -1211,8 +1212,8 @@ static uint64_t artist_reg_read(void *opaque, hwaddr addr, unsigned size)
break; break;
case 0x380004: case 0x380004:
/* 0x02000000 Buserror */ /* magic number detected by SeaBIOS-hppa */
val = 0x6dc20006; val = s->disable ? 0 : 0x6dc20006;
break; break;
default: default:
@ -1432,7 +1433,7 @@ static int vmstate_artist_post_load(void *opaque, int version_id)
static const VMStateDescription vmstate_artist = { static const VMStateDescription vmstate_artist = {
.name = "artist", .name = "artist",
.version_id = 2, .version_id = 3,
.minimum_version_id = 2, .minimum_version_id = 2,
.post_load = vmstate_artist_post_load, .post_load = vmstate_artist_post_load,
.fields = (const VMStateField[]) { .fields = (const VMStateField[]) {
@ -1470,6 +1471,7 @@ static const VMStateDescription vmstate_artist = {
VMSTATE_UINT32(font_write1, ARTISTState), VMSTATE_UINT32(font_write1, ARTISTState),
VMSTATE_UINT32(font_write2, ARTISTState), VMSTATE_UINT32(font_write2, ARTISTState),
VMSTATE_UINT32(font_write_pos_y, ARTISTState), VMSTATE_UINT32(font_write_pos_y, ARTISTState),
VMSTATE_BOOL(disable, ARTISTState),
VMSTATE_END_OF_LIST() VMSTATE_END_OF_LIST()
} }
}; };
@ -1478,6 +1480,7 @@ static const Property artist_properties[] = {
DEFINE_PROP_UINT16("width", ARTISTState, width, 1280), DEFINE_PROP_UINT16("width", ARTISTState, width, 1280),
DEFINE_PROP_UINT16("height", ARTISTState, height, 1024), DEFINE_PROP_UINT16("height", ARTISTState, height, 1024),
DEFINE_PROP_UINT16("depth", ARTISTState, depth, 8), DEFINE_PROP_UINT16("depth", ARTISTState, depth, 8),
DEFINE_PROP_BOOL("disable", ARTISTState, disable, false),
}; };
static void artist_reset(DeviceState *qdev) static void artist_reset(DeviceState *qdev)