diff options
| author | Hou Qiming <hqm03ster@gmail.com> | 2019-05-13 14:57:31 +0300 |
|---|---|---|
| committer | Gerd Hoffmann <kraxel@redhat.com> | 2019-05-24 09:10:29 +0200 |
| commit | f79081b4b71b72640bedd40a7cd76f864c8287f1 (patch) | |
| tree | 2cba8e9b02fcfa1c1783b6092866a734650023da /hw/display/ramfb.c | |
| parent | a9e0cb67b7f4c485755659f9b764c38b5f970de4 (diff) | |
hw/display/ramfb: initialize fw-config space with xres/ yres
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>
Diffstat (limited to 'hw/display/ramfb.c')
| -rw-r--r-- | hw/display/ramfb.c | 16 |
1 files changed, 15 insertions, 1 deletions
diff --git a/hw/display/ramfb.c b/hw/display/ramfb.c index 0fe79aa856..b4eb283ef8 100644 --- a/hw/display/ramfb.c +++ b/hw/display/ramfb.c @@ -12,6 +12,7 @@ */ #include "qemu/osdep.h" #include "qapi/error.h" +#include "qemu/option.h" #include "hw/loader.h" #include "hw/display/ramfb.h" #include "ui/console.h" @@ -29,6 +30,7 @@ struct QEMU_PACKED RAMFBCfg { struct RAMFBState { DisplaySurface *ds; uint32_t width, height; + uint32_t starting_width, starting_height; struct RAMFBCfg cfg; bool locked; }; @@ -114,9 +116,11 @@ static void ramfb_reset(void *opaque) RAMFBState *s = (RAMFBState *)opaque; s->locked = false; memset(&s->cfg, 0, sizeof(s->cfg)); + s->cfg.width = s->starting_width; + s->cfg.height = s->starting_height; } -RAMFBState *ramfb_setup(Error **errp) +RAMFBState *ramfb_setup(DeviceState* dev, Error **errp) { FWCfgState *fw_cfg = fw_cfg_find(); RAMFBState *s; @@ -128,6 +132,16 @@ RAMFBState *ramfb_setup(Error **errp) s = g_new0(RAMFBState, 1); + const char *s_fb_width = qemu_opt_get(dev->opts, "xres"); + const char *s_fb_height = qemu_opt_get(dev->opts, "yres"); + if (s_fb_width) { + s->cfg.width = atoi(s_fb_width); + s->starting_width = s->cfg.width; + } + if (s_fb_height) { + s->cfg.height = atoi(s_fb_height); + s->starting_height = s->cfg.height; + } s->locked = false; rom_add_vga("vgabios-ramfb.bin"); |