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hw/display/ramfb: initialize fw-config space with xres/ yres

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If xres / yres were specified in QEMU command line, write them as an initial
resolution to the fw-config space on guest reset, which a later BIOS / OVMF
patch can take advantage of.

Signed-off-by: HOU Qiming <hqm03ster@gmail.com>
Signed-off-by: Marcel Apfelbaum <marcel.apfelbaum@gmail.com>
Message-id: 20190513115731.17588-4-marcel.apfelbaum@gmail.com
[fixed malformed patch]
Signed-off-by: Marcel Apfelbaum <marcel.apfelbaum@gmail.com>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
This commit is contained in:
Hou Qiming 2019-05-13 14:57:31 +03:00 • committed by Gerd Hoffmann
parent a9e0cb67b7
commit f79081b4b7
5 changed files with 30 additions and 6 deletions
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12
hw/display/ramfb-standalone.c
View file

@ -1,6 +1,7 @@
#include "qemu/osdep.h"
#include "qapi/error.h"
#include "hw/loader.h"
#include "hw/isa/isa.h"
#include "hw/display/ramfb.h"
#include "ui/console.h"
#include "sysemu/sysemu.h"
@ -11,6 +12,8 @@ typedef struct RAMFBStandaloneState {
SysBusDevice parent_obj;
QemuConsole *con;
RAMFBState *state;
uint32_t xres;
uint32_t yres;
} RAMFBStandaloneState;
static void display_update_wrapper(void *dev)
@ -33,15 +36,22 @@ static void ramfb_realizefn(DeviceState *dev, Error **errp)
RAMFBStandaloneState *ramfb = RAMFB(dev);
ramfb->con = graphic_console_init(dev, 0, &wrapper_ops, dev);
ramfb->state = ramfb_setup(errp);
ramfb->state = ramfb_setup(dev, errp);
}
static Property ramfb_properties[] = {
DEFINE_PROP_UINT32("xres", RAMFBStandaloneState, xres, 0),
DEFINE_PROP_UINT32("yres", RAMFBStandaloneState, yres, 0),
DEFINE_PROP_END_OF_LIST(),
};
static void ramfb_class_initfn(ObjectClass *klass, void *data)
{
DeviceClass *dc = DEVICE_CLASS(klass);
set_bit(DEVICE_CATEGORY_DISPLAY, dc->categories);
dc->realize = ramfb_realizefn;
dc->props = ramfb_properties;
dc->desc = "ram framebuffer standalone device";
dc->user_creatable = true;
}