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vga: add secondary stdvga variant

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Merge remote-tracking branch 'remotes/kraxel/tags/pull-vga-2' into staging

vga: add secondary stdvga variant

# gpg: Signature made Mon 28 Apr 2014 10:11:44 BST using RSA key ID D3E87138
# gpg: Good signature from "Gerd Hoffmann (work) <kraxel@redhat.com>"
# gpg:                 aka "Gerd Hoffmann <gerd@kraxel.org>"
# gpg:                 aka "Gerd Hoffmann (private) <kraxel@gmail.com>"

* remotes/kraxel/tags/pull-vga-2:
  add secondary-vga to display-vga test
  add display-vga test
  vga: add secondary stdvga variant
  vga: allow non-global vmstate

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This commit is contained in:
Peter Maydell 2014-05-01 16:02:45 +01:00
commit 87f6ede9bb
11 changed files with 142 additions and 13 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

13
docs/specs/standard-vga.txt
View File

@ -5,9 +5,10 @@ QEMU Standard VGA
Exists in two variants, for isa and pci.
command line switches:
-vga std [ picks isa for -M isapc, otherwise pci ]
-device VGA [ pci variant ]
-device isa-vga [ isa variant ]
-vga std [ picks isa for -M isapc, otherwise pci ]
-device VGA [ pci variant ]
-device isa-vga [ isa variant ]
-device secondary-vga [ legacy-free pci variant ]
PCI spec
@ -31,9 +32,15 @@ PCI ROM Region:
Holds the vgabios (qemu 0.14+).
The legacy-free variant has no ROM and has PCI_CLASS_DISPLAY_OTHER
instead of PCI_CLASS_DISPLAY_VGA.
IO ports used
-------------
Doesn't apply to the legacy-free pci variant, use the MMIO bar instead.
03c0 - 03df : standard vga ports
01ce : bochs vbe interface index port
01cf : bochs vbe interface data port (x86 only)

4
hw/display/cirrus_vga.c
View File

@ -2913,7 +2913,7 @@ static void isa_cirrus_vga_realizefn(DeviceState *dev, Error **errp)
ISACirrusVGAState *d = ISA_CIRRUS_VGA(dev);
VGACommonState *s = &d->cirrus_vga.vga;
vga_common_init(s, OBJECT(dev));
vga_common_init(s, OBJECT(dev), true);
cirrus_init_common(&d->cirrus_vga, OBJECT(dev), CIRRUS_ID_CLGD5430, 0,
isa_address_space(isadev),
isa_address_space_io(isadev));
@ -2960,7 +2960,7 @@ static int pci_cirrus_vga_initfn(PCIDevice *dev)
int16_t device_id = pc->device_id;
/* setup VGA */
vga_common_init(&s->vga, OBJECT(dev));
vga_common_init(&s->vga, OBJECT(dev), true);
cirrus_init_common(s, OBJECT(dev), device_id, 1, pci_address_space(dev),
pci_address_space_io(dev));
s->vga.con = graphic_console_init(DEVICE(dev), 0, s->vga.hw_ops, &s->vga);

2
hw/display/qxl.c
View File

@ -2061,7 +2061,7 @@ static int qxl_init_primary(PCIDevice *dev)
qxl->id = 0;
qxl_init_ramsize(qxl);
vga->vram_size_mb = qxl->vga.vram_size >> 20;
vga_common_init(vga, OBJECT(dev));
vga_common_init(vga, OBJECT(dev), true);
vga_init(vga, OBJECT(dev),
pci_address_space(dev), pci_address_space_io(dev), false);
portio_list_init(qxl_vga_port_list, OBJECT(dev), qxl_vga_portio_list,

2
hw/display/vga-isa-mm.c
View File

@ -132,7 +132,7 @@ int isa_vga_mm_init(hwaddr vram_base,
s = g_malloc0(sizeof(*s));
s->vga.vram_size_mb = VGA_RAM_SIZE >> 20;
vga_common_init(&s->vga, NULL);
vga_common_init(&s->vga, NULL, true);
vga_mm_init(s, vram_base, ctrl_base, it_shift, address_space);
s->vga.con = graphic_console_init(NULL, 0, s->vga.hw_ops, s);

2
hw/display/vga-isa.c
View File

@ -56,7 +56,7 @@ static void vga_isa_realizefn(DeviceState *dev, Error **errp)
MemoryRegion *vga_io_memory;
const MemoryRegionPortio *vga_ports, *vbe_ports;
vga_common_init(s, OBJECT(dev));
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");

63
hw/display/vga-pci.c
View File

@ -147,7 +147,7 @@ static int pci_std_vga_initfn(PCIDevice *dev)
VGACommonState *s = &d->vga;
/* vga + console init */
vga_common_init(s, OBJECT(dev));
vga_common_init(s, OBJECT(dev), true);
vga_init(s, OBJECT(dev), pci_address_space(dev), pci_address_space_io(dev),
true);
@ -179,12 +179,51 @@ static int pci_std_vga_initfn(PCIDevice *dev)
return 0;
}
static int pci_secondary_vga_initfn(PCIDevice *dev)
{
PCIVGAState *d = DO_UPCAST(PCIVGAState, dev, dev);
VGACommonState *s = &d->vga;
/* vga + console init */
vga_common_init(s, OBJECT(dev), false);
s->con = graphic_console_init(DEVICE(dev), 0, s->hw_ops, s);
/* mmio bar */
memory_region_init(&d->mmio, OBJECT(dev), "vga.mmio", 4096);
memory_region_init_io(&d->ioport, OBJECT(dev), &pci_vga_ioport_ops, d,
"vga ioports remapped", PCI_VGA_IOPORT_SIZE);
memory_region_init_io(&d->bochs, OBJECT(dev), &pci_vga_bochs_ops, d,
"bochs dispi interface", PCI_VGA_BOCHS_SIZE);
memory_region_add_subregion(&d->mmio, PCI_VGA_IOPORT_OFFSET,
&d->ioport);
memory_region_add_subregion(&d->mmio, PCI_VGA_BOCHS_OFFSET,
&d->bochs);
pci_register_bar(&d->dev, 0, PCI_BASE_ADDRESS_MEM_PREFETCH, &s->vram);
pci_register_bar(&d->dev, 2, PCI_BASE_ADDRESS_SPACE_MEMORY, &d->mmio);
return 0;
}
static void pci_secondary_vga_reset(DeviceState *dev)
{
PCIVGAState *d = DO_UPCAST(PCIVGAState, dev.qdev, dev);
vga_common_reset(&d->vga);
}
static Property vga_pci_properties[] = {
DEFINE_PROP_UINT32("vgamem_mb", PCIVGAState, vga.vram_size_mb, 16),
DEFINE_PROP_BIT("mmio", PCIVGAState, flags, PCI_VGA_FLAG_ENABLE_MMIO, true),
DEFINE_PROP_END_OF_LIST(),
};
static Property secondary_pci_properties[] = {
DEFINE_PROP_UINT32("vgamem_mb", PCIVGAState, vga.vram_size_mb, 16),
DEFINE_PROP_END_OF_LIST(),
};
static void vga_class_init(ObjectClass *klass, void *data)
{
DeviceClass *dc = DEVICE_CLASS(klass);
@ -201,6 +240,20 @@ static void vga_class_init(ObjectClass *klass, void *data)
set_bit(DEVICE_CATEGORY_DISPLAY, dc->categories);
}
static void secondary_class_init(ObjectClass *klass, void *data)
{
DeviceClass *dc = DEVICE_CLASS(klass);
PCIDeviceClass *k = PCI_DEVICE_CLASS(klass);
k->init = pci_secondary_vga_initfn;
k->vendor_id = PCI_VENDOR_ID_QEMU;
k->device_id = PCI_DEVICE_ID_QEMU_VGA;
k->class_id = PCI_CLASS_DISPLAY_OTHER;
dc->vmsd = &vmstate_vga_pci;
dc->props = secondary_pci_properties;
dc->reset = pci_secondary_vga_reset;
}
static const TypeInfo vga_info = {
.name = "VGA",
.parent = TYPE_PCI_DEVICE,
@ -208,9 +261,17 @@ static const TypeInfo vga_info = {
.class_init = vga_class_init,
};
static const TypeInfo secondary_info = {
.name = "secondary-vga",
.parent = TYPE_PCI_DEVICE,
.instance_size = sizeof(PCIVGAState),
.class_init = secondary_class_init,
};
static void vga_register_types(void)
{
type_register_static(&vga_info);
type_register_static(&secondary_info);
}
type_init(vga_register_types)

8
hw/display/vga.c
View File

@ -171,6 +171,10 @@ static void vga_update_memory_access(VGACommonState *s)
MemoryRegion *region, *old_region = s->chain4_alias;
hwaddr base, offset, size;
if (s->legacy_address_space == NULL) {
return;
}
s->chain4_alias = NULL;
if ((s->sr[VGA_SEQ_PLANE_WRITE] & VGA_SR02_ALL_PLANES) ==
@ -2252,7 +2256,7 @@ static const GraphicHwOps vga_ops = {
.text_update = vga_update_text,
};
void vga_common_init(VGACommonState *s, Object *obj)
void vga_common_init(VGACommonState *s, Object *obj, bool global_vmstate)
{
int i, j, v, b;
@ -2289,7 +2293,7 @@ void vga_common_init(VGACommonState *s, Object *obj)
s->is_vbe_vmstate = 1;
memory_region_init_ram(&s->vram, obj, "vga.vram", s->vram_size);
vmstate_register_ram_global(&s->vram);
vmstate_register_ram(&s->vram, global_vmstate ? NULL : DEVICE(obj));
xen_register_framebuffer(&s->vram);
s->vram_ptr = memory_region_get_ram_ptr(&s->vram);
s->get_bpp = vga_get_bpp;

2
hw/display/vga_int.h
View File

@ -177,7 +177,7 @@ static inline int c6_to_8(int v)
return (v << 2) | (b << 1) | b;
}
void vga_common_init(VGACommonState *s, Object *obj);
void vga_common_init(VGACommonState *s, Object *obj, bool global_vmstate);
void vga_init(VGACommonState *s, Object *obj, MemoryRegion *address_space,
MemoryRegion *address_space_io, bool init_vga_ports);
MemoryRegion *vga_init_io(VGACommonState *s, Object *obj,

2
hw/display/vmware_vga.c
View File

@ -1207,7 +1207,7 @@ static void vmsvga_init(DeviceState *dev, struct vmsvga_state_s *s,
vmstate_register_ram_global(&s->fifo_ram);
s->fifo_ptr = memory_region_get_ram_ptr(&s->fifo_ram);
vga_common_init(&s->vga, OBJECT(dev));
vga_common_init(&s->vga, OBJECT(dev), true);
vga_init(&s->vga, OBJECT(dev), address_space, io, true);
vmstate_register(NULL, 0, &vmstate_vga_common, &s->vga);
s->new_depth = 32;

5
tests/Makefile
View File

@ -113,6 +113,10 @@ check-qtest-pci-y += tests/tpci200-test$(EXESUF)
gcov-files-pci-y += hw/ipack/tpci200.c
check-qtest-pci-y += $(check-qtest-ipack-y)
gcov-files-pci-y += $(gcov-files-ipack-y)
check-qtest-pci-y += tests/display-vga-test$(EXESUF)
gcov-files-pci-y += hw/display/vga.c
gcov-files-pci-y += hw/display/cirrus_vga.c
gcov-files-pci-y += hw/display/vga-pci.c
check-qtest-i386-y = tests/endianness-test$(EXESUF)
check-qtest-i386-y += tests/fdc-test$(EXESUF)
@ -280,6 +284,7 @@ tests/virtio-9p-test$(EXESUF): tests/virtio-9p-test.o
tests/virtio-serial-test$(EXESUF): tests/virtio-serial-test.o
tests/virtio-console-test$(EXESUF): tests/virtio-console-test.o
tests/tpci200-test$(EXESUF): tests/tpci200-test.o
tests/display-vga-test$(EXESUF): tests/display-vga-test.o
tests/ipoctal232-test$(EXESUF): tests/ipoctal232-test.o
tests/qom-test$(EXESUF): tests/qom-test.o
tests/blockdev-test$(EXESUF): tests/blockdev-test.o $(libqos-pc-obj-y)

52
tests/display-vga-test.c Normal file
View File

@ -0,0 +1,52 @@
/*
* QTest testcase for vga cards
*
* Copyright (c) 2014 Red Hat, Inc
*
* This work is licensed under the terms of the GNU GPL, version 2 or later.
* See the COPYING file in the top-level directory.
*/
#include <glib.h>
#include <string.h>
#include "libqtest.h"
#include "qemu/osdep.h"
static void pci_cirrus(void)
{
qtest_start("-vga none -device cirrus-vga");
qtest_end();
}
static void pci_stdvga(void)
{
qtest_start("-vga none -device VGA");
qtest_end();
}
static void pci_secondary(void)
{
qtest_start("-vga none -device secondary-vga");
qtest_end();
}
static void pci_multihead(void)
{
qtest_start("-vga none -device VGA -device secondary-vga");
qtest_end();
}
int main(int argc, char **argv)
{
int ret;
g_test_init(&argc, &argv, NULL);
qtest_add_func("/display/pci/cirrus", pci_cirrus);
qtest_add_func("/display/pci/stdvga", pci_stdvga);
qtest_add_func("/display/pci/secondary", pci_secondary);
qtest_add_func("/display/pci/multihead", pci_multihead);
ret = g_test_run();
return ret;
}