diff options
Diffstat (limited to 'hw/display/vga-isa-mm.c')
-rw-r--r-- | hw/display/vga-isa-mm.c | 114 |
1 files changed, 0 insertions, 114 deletions
diff --git a/hw/display/vga-isa-mm.c b/hw/display/vga-isa-mm.c deleted file mode 100644 index 7321b7a06d..0000000000 --- a/hw/display/vga-isa-mm.c +++ /dev/null @@ -1,114 +0,0 @@ -/* - * 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/bitops.h" -#include "qemu/units.h" -#include "migration/vmstate.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 uint64_t vga_mm_read(void *opaque, hwaddr addr, unsigned size) -{ - ISAVGAMMState *s = opaque; - - return vga_ioport_read(&s->vga, addr >> s->it_shift) & - MAKE_64BIT_MASK(0, size * 8); -} - -static void vga_mm_write(void *opaque, hwaddr addr, uint64_t value, - unsigned size) -{ - ISAVGAMMState *s = opaque; - - vga_ioport_write(&s->vga, addr >> s->it_shift, - value & MAKE_64BIT_MASK(0, size * 8)); -} - -static const MemoryRegionOps vga_mm_ctrl_ops = { - .read = vga_mm_read, - .write = vga_mm_write, - .valid.min_access_size = 1, - .valid.max_access_size = 4, - .impl.min_access_size = 1, - .impl.max_access_size = 4, - .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); - - memory_region_add_subregion(address_space, - VBE_DISPI_LFB_PHYSICAL_ADDRESS, - &s->vga.vram); - - return 0; -} |