1 files changed, 105 insertions, 0 deletions
diff --git a/src/hw/display/vga-isa.c b/src/hw/display/vga-isa.c
new file mode 100644
index 0000000..7f3c989
--- /dev/null
+++ b/src/hw/display/vga-isa.c
@@ -0,0 +1,105 @@
+/*
+ * 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 "vga_int.h"
+#include "ui/pixel_ops.h"
+#include "qemu/timer.h"
+#include "hw/loader.h"
+
+#define TYPE_ISA_VGA "isa-vga"
+#define ISA_VGA(obj) OBJECT_CHECK(ISAVGAState, (obj), TYPE_ISA_VGA)
+
+typedef struct ISAVGAState {
+    ISADevice parent_obj;
+
+    struct VGACommonState state;
+} ISAVGAState;
+
+static void vga_isa_reset(DeviceState *dev)
+{
+    ISAVGAState *d = ISA_VGA(dev);
+    VGACommonState *s = &d->state;
+
+    vga_common_reset(s);
+}
+
+static void vga_isa_realizefn(DeviceState *dev, Error **errp)
+{
+    ISADevice *isadev = ISA_DEVICE(dev);
+    ISAVGAState *d = ISA_VGA(dev);
+    VGACommonState *s = &d->state;
+    MemoryRegion *vga_io_memory;
+    const MemoryRegionPortio *vga_ports, *vbe_ports;
+
+    vga_common_init(s, OBJECT(dev), true);
+    s->legacy_address_space = isa_address_space(isadev);
+    vga_io_memory = vga_init_io(s, OBJECT(dev), &vga_ports, &vbe_ports);
+    isa_register_portio_list(isadev, 0x3b0, vga_ports, s, "vga");
+    if (vbe_ports) {
+        isa_register_portio_list(isadev, 0x1ce, vbe_ports, s, "vbe");
+    }
+    memory_region_add_subregion_overlap(isa_address_space(isadev),
+                                        0x000a0000,
+                                        vga_io_memory, 1);
+    memory_region_set_coalescing(vga_io_memory);
+    s->con = graphic_console_init(DEVICE(dev), 0, s->hw_ops, s);
+
+    vga_init_vbe(s, OBJECT(dev), isa_address_space(isadev));
+    /* ROM BIOS */
+    rom_add_vga(VGABIOS_FILENAME);
+}
+
+static Property vga_isa_properties[] = {
+    DEFINE_PROP_UINT32("vgamem_mb", ISAVGAState, state.vram_size_mb, 8),
+    DEFINE_PROP_END_OF_LIST(),
+};
+
+static void vga_isa_class_initfn(ObjectClass *klass, void *data)
+{
+    DeviceClass *dc = DEVICE_CLASS(klass);
+
+    dc->realize = vga_isa_realizefn;
+    dc->reset = vga_isa_reset;
+    dc->vmsd = &vmstate_vga_common;
+    dc->props = vga_isa_properties;
+    set_bit(DEVICE_CATEGORY_DISPLAY, dc->categories);
+}
+
+static const TypeInfo vga_isa_info = {
+    .name          = TYPE_ISA_VGA,
+    .parent        = TYPE_ISA_DEVICE,
+    .instance_size = sizeof(ISAVGAState),
+    .class_init    = vga_isa_class_initfn,
+};
+
+static void vga_isa_register_types(void)
+{
+    type_register_static(&vga_isa_info);
+}
+
+type_init(vga_isa_register_types)