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-rw-r--r--hw/display/vga-isa.c101
1 files changed, 101 insertions, 0 deletions
diff --git a/hw/display/vga-isa.c b/hw/display/vga-isa.c
new file mode 100644
index 0000000000..89d7fa6c3c
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+++ b/hw/display/vga-isa.c
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+/*
+ * QEMU ISA VGA Emulator.
+ *
+ * see docs/specs/standard-vga.txt for virtual hardware specs.
+ *
+ * Copyright (c) 2003 Fabrice Bellard
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+#include "hw/hw.h"
+#include "ui/console.h"
+#include "hw/i386/pc.h"
+#include "hw/vga_int.h"
+#include "ui/pixel_ops.h"
+#include "qemu/timer.h"
+#include "hw/loader.h"
+
+typedef struct ISAVGAState {
+ ISADevice dev;
+ struct VGACommonState state;
+} ISAVGAState;
+
+static void vga_reset_isa(DeviceState *dev)
+{
+ ISAVGAState *d = container_of(dev, ISAVGAState, dev.qdev);
+ VGACommonState *s = &d->state;
+
+ vga_common_reset(s);
+}
+
+static int vga_initfn(ISADevice *dev)
+{
+ ISAVGAState *d = DO_UPCAST(ISAVGAState, dev, dev);
+ VGACommonState *s = &d->state;
+ MemoryRegion *vga_io_memory;
+ const MemoryRegionPortio *vga_ports, *vbe_ports;
+
+ vga_common_init(s);
+ s->legacy_address_space = isa_address_space(dev);
+ vga_io_memory = vga_init_io(s, &vga_ports, &vbe_ports);
+ isa_register_portio_list(dev, 0x3b0, vga_ports, s, "vga");
+ if (vbe_ports) {
+ isa_register_portio_list(dev, 0x1ce, vbe_ports, s, "vbe");
+ }
+ memory_region_add_subregion_overlap(isa_address_space(dev),
+ isa_mem_base + 0x000a0000,
+ vga_io_memory, 1);
+ memory_region_set_coalescing(vga_io_memory);
+ s->con = graphic_console_init(s->update, s->invalidate,
+ s->screen_dump, s->text_update, s);
+
+ vga_init_vbe(s, isa_address_space(dev));
+ /* ROM BIOS */
+ rom_add_vga(VGABIOS_FILENAME);
+ return 0;
+}
+
+static Property vga_isa_properties[] = {
+ DEFINE_PROP_UINT32("vgamem_mb", ISAVGAState, state.vram_size_mb, 8),
+ DEFINE_PROP_END_OF_LIST(),
+};
+
+static void vga_class_initfn(ObjectClass *klass, void *data)
+{
+ DeviceClass *dc = DEVICE_CLASS(klass);
+ ISADeviceClass *ic = ISA_DEVICE_CLASS(klass);
+ ic->init = vga_initfn;
+ dc->reset = vga_reset_isa;
+ dc->vmsd = &vmstate_vga_common;
+ dc->props = vga_isa_properties;
+}
+
+static const TypeInfo vga_info = {
+ .name = "isa-vga",
+ .parent = TYPE_ISA_DEVICE,
+ .instance_size = sizeof(ISAVGAState),
+ .class_init = vga_class_initfn,
+};
+
+static void vga_register_types(void)
+{
+ type_register_static(&vga_info);
+}
+
+type_init(vga_register_types)