diff options
Diffstat (limited to 'hw/display/vga.c')
| -rw-r--r-- | hw/display/vga.c | 17 |
1 files changed, 15 insertions, 2 deletions
diff --git a/hw/display/vga.c b/hw/display/vga.c index 9d1f66af40..a7a291fa20 100644 --- a/hw/display/vga.c +++ b/hw/display/vga.c @@ -2168,9 +2168,10 @@ static inline uint32_t uint_clamp(uint32_t val, uint32_t vmin, uint32_t vmax) return val; } -void vga_common_init(VGACommonState *s, Object *obj) +bool vga_common_init(VGACommonState *s, Object *obj, Error **errp) { int i, j, v, b; + Error *local_err = NULL; for(i = 0;i < 256; i++) { v = 0; @@ -2205,8 +2206,18 @@ void vga_common_init(VGACommonState *s, Object *obj) s->vbe_size_mask = s->vbe_size - 1; s->is_vbe_vmstate = 1; + + if (s->global_vmstate && qemu_ram_block_by_name("vga.vram")) { + error_setg(errp, "Only one global VGA device can be used at a time"); + return false; + } + memory_region_init_ram_nomigrate(&s->vram, obj, "vga.vram", s->vram_size, - &error_fatal); + &local_err); + if (local_err) { + error_propagate(errp, local_err); + return false; + } vmstate_register_ram(&s->vram, s->global_vmstate ? NULL : DEVICE(obj)); xen_register_framebuffer(&s->vram); s->vram_ptr = memory_region_get_ram_ptr(&s->vram); @@ -2237,6 +2248,8 @@ void vga_common_init(VGACommonState *s, Object *obj) s->default_endian_fb = false; #endif vga_dirty_log_start(s); + + return true; } static const MemoryRegionPortio vga_portio_list[] = { |