vga: split pci bits into vga-pci.c

Adjust all the VGAState in VGACommonState
Compile vga-pci.o only for targets that use it.

Signed-off-by: Juan Quintela <quintela@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>

1 files changed, 164 insertions, 0 deletions

diff --git a/hw/vga-pci.c b/hw/vga-pci.c
new file mode 100644
index 0000000000..6038cec00d
--- /dev/null
+++ b/hw/vga-pci.c
@@ -0,0 +1,164 @@
+/*
+ * QEMU PCI VGA Emulator.
+ *
+ * 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.h"
+#include "console.h"
+#include "pc.h"
+#include "pci.h"
+#include "vga_int.h"
+#include "pixel_ops.h"
+#include "qemu-timer.h"
+#include "kvm.h"
+
+typedef struct PCIVGAState {
+    PCIDevice dev;
+    VGACommonState vga;
+} PCIVGAState;
+
+static void pci_vga_save(QEMUFile *f, void *opaque)
+{
+    PCIVGAState *s = opaque;
+
+    pci_device_save(&s->dev, f);
+    vga_common_save(f, &s->vga);
+}
+
+static int pci_vga_load(QEMUFile *f, void *opaque, int version_id)
+{
+    PCIVGAState *s = opaque;
+    int ret;
+
+    if (version_id > 2)
+        return -EINVAL;
+
+    if (version_id >= 2) {
+        ret = pci_device_load(&s->dev, f);
+        if (ret < 0)
+            return ret;
+    }
+    return vga_common_load(f, &s->vga, version_id);
+}
+
+void vga_dirty_log_start(VGACommonState *s)
+{
+    if (kvm_enabled() && s->map_addr)
+        kvm_log_start(s->map_addr, s->map_end - s->map_addr);
+
+    if (kvm_enabled() && s->lfb_vram_mapped) {
+        kvm_log_start(isa_mem_base + 0xa0000, 0x8000);
+        kvm_log_start(isa_mem_base + 0xa8000, 0x8000);
+    }
+}
+
+static void vga_map(PCIDevice *pci_dev, int region_num,
+                    uint32_t addr, uint32_t size, int type)
+{
+    PCIVGAState *d = (PCIVGAState *)pci_dev;
+    VGACommonState *s = &d->vga;
+    if (region_num == PCI_ROM_SLOT) {
+        cpu_register_physical_memory(addr, s->bios_size, s->bios_offset);
+    } else {
+        cpu_register_physical_memory(addr, s->vram_size, s->vram_offset);
+        s->map_addr = addr;
+        s->map_end = addr + s->vram_size;
+        vga_dirty_log_start(s);
+    }
+}
+
+static void pci_vga_write_config(PCIDevice *d,
+                                 uint32_t address, uint32_t val, int len)
+{
+    PCIVGAState *pvs = container_of(d, PCIVGAState, dev);
+    VGACommonState *s = &pvs->vga;
+
+    pci_default_write_config(d, address, val, len);
+    if (s->map_addr && pvs->dev.io_regions[0].addr == -1)
+        s->map_addr = 0;
+}
+
+static int pci_vga_initfn(PCIDevice *dev)
+{
+     PCIVGAState *d = DO_UPCAST(PCIVGAState, dev, dev);
+     VGACommonState *s = &d->vga;
+     uint8_t *pci_conf = d->dev.config;
+
+     // vga + console init
+     vga_common_init(s, VGA_RAM_SIZE);
+     vga_init(s);
+     register_savevm("vga", 0, 2, pci_vga_save, pci_vga_load, d);
+
+     s->ds = graphic_console_init(s->update, s->invalidate,
+                                  s->screen_dump, s->text_update, s);
+
+     // dummy VGA (same as Bochs ID)
+     pci_config_set_vendor_id(pci_conf, PCI_VENDOR_ID_QEMU);
+     pci_config_set_device_id(pci_conf, PCI_DEVICE_ID_QEMU_VGA);
+     pci_config_set_class(pci_conf, PCI_CLASS_DISPLAY_VGA);
+     pci_conf[PCI_HEADER_TYPE] = PCI_HEADER_TYPE_NORMAL; // header_type
+
+     /* XXX: VGA_RAM_SIZE must be a power of two */
+     pci_register_bar(&d->dev, 0, VGA_RAM_SIZE,
+                      PCI_ADDRESS_SPACE_MEM_PREFETCH, vga_map);
+
+     if (s->bios_size) {
+        unsigned int bios_total_size;
+        /* must be a power of two */
+        bios_total_size = 1;
+        while (bios_total_size < s->bios_size)
+            bios_total_size <<= 1;
+        pci_register_bar(&d->dev, PCI_ROM_SLOT, bios_total_size,
+                         PCI_ADDRESS_SPACE_MEM_PREFETCH, vga_map);
+     }
+     return 0;
+}
+
+int pci_vga_init(PCIBus *bus,
+                 unsigned long vga_bios_offset, int vga_bios_size)
+{
+    PCIDevice *dev;
+
+    dev = pci_create("VGA", NULL);
+    qdev_prop_set_uint32(&dev->qdev, "bios-offset", vga_bios_offset);
+    qdev_prop_set_uint32(&dev->qdev, "bios-size", vga_bios_offset);
+    qdev_init(&dev->qdev);
+
+    return 0;
+}
+
+static PCIDeviceInfo vga_info = {
+    .qdev.name    = "VGA",
+    .qdev.size    = sizeof(PCIVGAState),
+    .init         = pci_vga_initfn,
+    .config_write = pci_vga_write_config,
+    .qdev.props   = (Property[]) {
+        DEFINE_PROP_HEX32("bios-offset", PCIVGAState, vga.bios_offset, 0),
+        DEFINE_PROP_HEX32("bios-size",   PCIVGAState, vga.bios_size,   0),
+        DEFINE_PROP_END_OF_LIST(),
+    }
+};
+
+static void vga_register(void)
+{
+    pci_qdev_register(&vga_info);
+}
+device_init(vga_register);