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vga-isa: convert to qdev 

Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
This commit is contained in:
Blue Swirl 2011-02-13 14:01:05 +00:00
parent 1c9c5fcdfe
commit 7435b791ca
4 changed files with 68 additions and 16 deletions
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8
hw/pc.h
View File

@ -181,7 +181,13 @@ enum vga_retrace_method {
extern enum vga_retrace_method vga_retrace_method;
int isa_vga_init(void);
static inline int isa_vga_init(void)
{
isa_create_simple("isa-vga");
return 0;
}
int pci_vga_init(PCIBus *bus);
int isa_vga_mm_init(target_phys_addr_t vram_base,
target_phys_addr_t ctrl_base, int it_shift);

53
hw/vga-isa.c
View File

@ -29,16 +29,40 @@
#include "qemu-timer.h"
#include "loader.h"
int isa_vga_init(void)
{
VGACommonState *s;
typedef struct ISAVGAState {
ISADevice dev;
struct VGACommonState state;
} ISAVGAState;
s = qemu_mallocz(sizeof(*s));
static void vga_reset_isa(DeviceState *dev)
{
ISAVGAState *d = container_of(dev, ISAVGAState, dev.qdev);
VGACommonState *s = &d->state;
vga_common_reset(s);
}
static int vga_initfn(ISADevice *dev)
{
ISAVGAState *d = DO_UPCAST(ISAVGAState, dev, dev);
VGACommonState *s = &d->state;
int vga_io_memory;
vga_common_init(s, VGA_RAM_SIZE);
vga_init(s);
vmstate_register(NULL, 0, &vmstate_vga_common, s);
vga_io_memory = vga_init_io(s);
cpu_register_physical_memory(isa_mem_base + 0x000a0000, 0x20000,
vga_io_memory);
qemu_register_coalesced_mmio(isa_mem_base + 0x000a0000, 0x20000);
isa_init_ioport(dev, 0x3c0);
isa_init_ioport(dev, 0x3b4);
isa_init_ioport(dev, 0x3ba);
isa_init_ioport(dev, 0x3da);
isa_init_ioport(dev, 0x3c0);
#ifdef CONFIG_BOCHS_VBE
isa_init_ioport(dev, 0x1ce);
isa_init_ioport(dev, 0x1cf);
isa_init_ioport(dev, 0x1d0);
#endif /* CONFIG_BOCHS_VBE */
s->ds = graphic_console_init(s->update, s->invalidate,
s->screen_dump, s->text_update, s);
@ -47,3 +71,18 @@ int isa_vga_init(void)
rom_add_vga(VGABIOS_FILENAME);
return 0;
}
static ISADeviceInfo vga_info = {
.qdev.name = "isa-vga",
.qdev.size = sizeof(ISAVGAState),
.qdev.vmsd = &vmstate_vga_common,
.qdev.reset = vga_reset_isa,
.qdev.no_user = 1,
.init = vga_initfn,
};
static void vga_register(void)
{
isa_qdev_register(&vga_info);
}
device_init(vga_register)

22
hw/vga.c
View File

@ -2260,12 +2260,8 @@ void vga_common_init(VGACommonState *s, int vga_ram_size)
}
/* used by both ISA and PCI */
void vga_init(VGACommonState *s)
int vga_init_io(VGACommonState *s)
{
int vga_io_memory;
qemu_register_reset(vga_reset, s);
register_ioport_write(0x3c0, 16, 1, vga_ioport_write, s);
register_ioport_write(0x3b4, 2, 1, vga_ioport_write, s);
@ -2279,7 +2275,6 @@ void vga_init(VGACommonState *s)
register_ioport_read(0x3d4, 2, 1, vga_ioport_read, s);
register_ioport_read(0x3ba, 1, 1, vga_ioport_read, s);
register_ioport_read(0x3da, 1, 1, vga_ioport_read, s);
s->bank_offset = 0;
#ifdef CONFIG_BOCHS_VBE
#if defined (TARGET_I386)
@ -2297,8 +2292,19 @@ void vga_init(VGACommonState *s)
#endif
#endif /* CONFIG_BOCHS_VBE */
vga_io_memory = cpu_register_io_memory(vga_mem_read, vga_mem_write, s,
DEVICE_LITTLE_ENDIAN);
return cpu_register_io_memory(vga_mem_read, vga_mem_write, s,
DEVICE_LITTLE_ENDIAN);
}
void vga_init(VGACommonState *s)
{
int vga_io_memory;
qemu_register_reset(vga_reset, s);
s->bank_offset = 0;
vga_io_memory = vga_init_io(s);
cpu_register_physical_memory(isa_mem_base + 0x000a0000, 0x20000,
vga_io_memory);
qemu_register_coalesced_mmio(isa_mem_base + 0x000a0000, 0x20000);

1
hw/vga_int.h
View File

@ -191,6 +191,7 @@ static inline int c6_to_8(int v)
void vga_common_init(VGACommonState *s, int vga_ram_size);
void vga_init(VGACommonState *s);
int vga_init_io(VGACommonState *s);
void vga_common_reset(VGACommonState *s);
void vga_dirty_log_start(VGACommonState *s);