-----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.22 (GNU/Linux) iQIcBAABAgAGBQJbO0WYAAoJEEy22O7T6HE4omoP/R0aKyojHVxWeL4OK5JxfTJP VfEu1JCYhyXhn5KQpnSTyuklr2PuM6Wq89fBx2Rcrvi2RlKfxg1t1hMT10Vmev7R CIgyZfxBicIInzU8bFB0d7lS9jPPAIJNuZTCEob/+sE72RK8a2TUT+agpgzfBiC8 z4D8UU766n/BoyeiFeFeM7HIEe4fl75bqzUW+PHLqoW5HDiz05tBEAhOlPJXrJeM 35tp8aNUcRFCb8K95bBstDbTgCFlChVNN99+5CQ2rCokPXegW1ldCfRCpXVSuigm KT4T073b8/pfrGxiNpKDs1zV5N2Om6g25CLBi1KztenOlT7iancAI72uWxFasc/I 0VNIZQCMYeR6r8OcUBgquxYQG8JAHf8oNcmqU97UE4jFWY/K/O+WLmwzhw9aifib An3bsmo76Q0JTPmqMhbEGpjSM8DygKHqMnXy1Tzzi6EKOQMjnRDFT1uexRH/HPo6 hdaKUfyeMIY9U6n+YA8VrBn/5BnpsucEpKjMB7KxlyL+NwRVdXQ8axz7SnXkJrHY vdobSzQs0TBA7oo0mnWR9AF+MG2yr/bb5yFwTVsg82kexmPw90oVyisIpExNZyTg vnrsfdSyGvpGLP9ganMSfgA9TQ+xUORrHp9cZM3yHKrmh5C3w65ynbA4LXsYwJ0h HlI+MNbhTjw0P4Iws/PX =Xwx6 -----END PGP SIGNATURE----- Merge remote-tracking branch 'remotes/kraxel/tags/vga-20180703-pull-request' into staging vga: disable global_vmstate, virtio-gpu scanout tracking fixes. # gpg: Signature made Tue 03 Jul 2018 10:44:56 BST # gpg: using RSA key 4CB6D8EED3E87138 # 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>" # Primary key fingerprint: A032 8CFF B93A 17A7 9901 FE7D 4CB6 D8EE D3E8 7138 * remotes/kraxel/tags/vga-20180703-pull-request: vga: disable global_vmstate for 3.0+ machine types virtio-gpu: disable scanout when backing resource is destroyed virtio-gpu: update old resource too. virtio-gpu: tweak scanout disable. Signed-off-by: Peter Maydell <peter.maydell@linaro.org> # Conflicts: # hw/display/qxl.c # hw/display/vga-isa-mm.c
144 lines
4.3 KiB
C
144 lines
4.3 KiB
C
/*
|
|
* QEMU ISA MM 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 "qemu/osdep.h"
|
|
#include "qemu/units.h"
|
|
#include "hw/hw.h"
|
|
#include "hw/display/vga.h"
|
|
#include "vga_int.h"
|
|
#include "ui/pixel_ops.h"
|
|
|
|
#define VGA_RAM_SIZE (8 * MiB)
|
|
|
|
typedef struct ISAVGAMMState {
|
|
VGACommonState vga;
|
|
int it_shift;
|
|
} ISAVGAMMState;
|
|
|
|
/* Memory mapped interface */
|
|
static uint32_t vga_mm_readb (void *opaque, hwaddr addr)
|
|
{
|
|
ISAVGAMMState *s = opaque;
|
|
|
|
return vga_ioport_read(&s->vga, addr >> s->it_shift) & 0xff;
|
|
}
|
|
|
|
static void vga_mm_writeb (void *opaque,
|
|
hwaddr addr, uint32_t value)
|
|
{
|
|
ISAVGAMMState *s = opaque;
|
|
|
|
vga_ioport_write(&s->vga, addr >> s->it_shift, value & 0xff);
|
|
}
|
|
|
|
static uint32_t vga_mm_readw (void *opaque, hwaddr addr)
|
|
{
|
|
ISAVGAMMState *s = opaque;
|
|
|
|
return vga_ioport_read(&s->vga, addr >> s->it_shift) & 0xffff;
|
|
}
|
|
|
|
static void vga_mm_writew (void *opaque,
|
|
hwaddr addr, uint32_t value)
|
|
{
|
|
ISAVGAMMState *s = opaque;
|
|
|
|
vga_ioport_write(&s->vga, addr >> s->it_shift, value & 0xffff);
|
|
}
|
|
|
|
static uint32_t vga_mm_readl (void *opaque, hwaddr addr)
|
|
{
|
|
ISAVGAMMState *s = opaque;
|
|
|
|
return vga_ioport_read(&s->vga, addr >> s->it_shift);
|
|
}
|
|
|
|
static void vga_mm_writel (void *opaque,
|
|
hwaddr addr, uint32_t value)
|
|
{
|
|
ISAVGAMMState *s = opaque;
|
|
|
|
vga_ioport_write(&s->vga, addr >> s->it_shift, value);
|
|
}
|
|
|
|
static const MemoryRegionOps vga_mm_ctrl_ops = {
|
|
.old_mmio = {
|
|
.read = {
|
|
vga_mm_readb,
|
|
vga_mm_readw,
|
|
vga_mm_readl,
|
|
},
|
|
.write = {
|
|
vga_mm_writeb,
|
|
vga_mm_writew,
|
|
vga_mm_writel,
|
|
},
|
|
},
|
|
.endianness = DEVICE_NATIVE_ENDIAN,
|
|
};
|
|
|
|
static void vga_mm_init(ISAVGAMMState *s, hwaddr vram_base,
|
|
hwaddr ctrl_base, int it_shift,
|
|
MemoryRegion *address_space)
|
|
{
|
|
MemoryRegion *s_ioport_ctrl, *vga_io_memory;
|
|
|
|
s->it_shift = it_shift;
|
|
s_ioport_ctrl = g_malloc(sizeof(*s_ioport_ctrl));
|
|
memory_region_init_io(s_ioport_ctrl, NULL, &vga_mm_ctrl_ops, s,
|
|
"vga-mm-ctrl", 0x100000);
|
|
memory_region_set_flush_coalesced(s_ioport_ctrl);
|
|
|
|
vga_io_memory = g_malloc(sizeof(*vga_io_memory));
|
|
/* XXX: endianness? */
|
|
memory_region_init_io(vga_io_memory, NULL, &vga_mem_ops, &s->vga,
|
|
"vga-mem", 0x20000);
|
|
|
|
vmstate_register(NULL, 0, &vmstate_vga_common, s);
|
|
|
|
memory_region_add_subregion(address_space, ctrl_base, s_ioport_ctrl);
|
|
s->vga.bank_offset = 0;
|
|
memory_region_add_subregion(address_space,
|
|
vram_base + 0x000a0000, vga_io_memory);
|
|
memory_region_set_coalescing(vga_io_memory);
|
|
}
|
|
|
|
int isa_vga_mm_init(hwaddr vram_base,
|
|
hwaddr ctrl_base, int it_shift,
|
|
MemoryRegion *address_space)
|
|
{
|
|
ISAVGAMMState *s;
|
|
|
|
s = g_malloc0(sizeof(*s));
|
|
|
|
s->vga.vram_size_mb = VGA_RAM_SIZE / MiB;
|
|
s->vga.global_vmstate = true;
|
|
vga_common_init(&s->vga, NULL);
|
|
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);
|
|
|
|
vga_init_vbe(&s->vga, NULL, address_space);
|
|
return 0;
|
|
}
|