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isa: add a isa_vga_init() function

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This function create a ISA VGA device according to the value of
vga_interface_type. It returns a ISADevice (and not a DeviceState).

Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
This commit is contained in:
Aurelien Jarno 2012-09-08 16:58:57 +02:00
parent 129d42fb84
commit 14e7a6456e
2 changed files with 22 additions and 0 deletions
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20
hw/isa-bus.c
View File

@ -19,6 +19,7 @@
#include "hw.h"
#include "monitor.h"
#include "sysbus.h"
#include "sysemu.h"
#include "isa.h"
#include "exec-memory.h"
@ -166,6 +167,25 @@ ISADevice *isa_create_simple(ISABus *bus, const char *name)
return dev;
}
ISADevice *isa_vga_init(ISABus *bus)
{
switch (vga_interface_type) {
case VGA_CIRRUS:
return isa_create_simple(bus, "isa-cirrus-vga");
case VGA_QXL:
fprintf(stderr, "%s: qxl: no PCI bus\n", __func__);
return NULL;
case VGA_STD:
return isa_create_simple(bus, "isa-vga");
case VGA_VMWARE:
fprintf(stderr, "%s: vmware_vga: no PCI bus\n", __func__);
return NULL;
case VGA_NONE:
default:
return NULL;
}
}
static void isabus_dev_print(Monitor *mon, DeviceState *dev, int indent)
{
ISADevice *d = ISA_DEVICE(dev);

2
hw/isa.h
View File

@ -47,6 +47,8 @@ ISADevice *isa_create(ISABus *bus, const char *name);
ISADevice *isa_try_create(ISABus *bus, const char *name);
ISADevice *isa_create_simple(ISABus *bus, const char *name);
ISADevice *isa_vga_init(ISABus *bus);
/**
* isa_register_ioport: Install an I/O port region on the ISA bus.
*