Signed-off-by: NBlue Swirl <blauwirbel@gmail.com>

Use a qemu_irq to indicate A20 line changes. Move I/O port 92
to pckbd.c.
Signed-off-by: NBlue Swirl <blauwirbel@gmail.com>

Signed-off-by: NEdgar E. Iglesias <edgar@axis.com>

In oneshot mode, the delta needs to come from the TimerLoad register,
not the maximum limit.
Signed-off-by: NRabin Vincent <rabin@rab.in>
Signed-off-by: NAurelien Jarno <aurelien@aurel32.net>

Reload the timer when TimerControl is written, if the timer is to be
enabled.  Otherwise, if an earlier write to TimerLoad was done while
periodic mode was not set, s->delta may incorrectly still have the value
of the maximum limit instead of the value written to TimerLoad.

This problem is evident on versatileap on current linux-next, which
enables TIMER_CTRL_32BIT before writing to TimerLoad and then enabling
periodic mode and starting the timer.  This causes the first periodic
tick to be scheduled to occur after 0xffffffff periods, leading to a
perceived hang while the kernel waits for the first timer tick.
Signed-off-by: NRabin Vincent <rabin@rab.in>
Signed-off-by: NAurelien Jarno <aurelien@aurel32.net>

Add support to read manufacturer and device ID. For everything else (eg.
lock bits) 0 is returned.
Signed-off-by: NMichael Walle <michael@walle.cc>
Signed-off-by: NAurelien Jarno <aurelien@aurel32.net>

Commit 3d53f5c3 introduced a segfault by erroneously making fw_cfg a
'void **' and passing it around in different ways.
Signed-off-by: NEduard - Gabriel Munteanu <eduard.munteanu@linux360.ro>
Signed-off-by: NBlue Swirl <blauwirbel@gmail.com>

This function had been disabled from the beginning:
see 9fddaa0c

cpu_reset() function is in target-ppc/helper.c
Signed-off-by: NThomas Monjalon <thomas@monjalon.net>
Acked-by: NAlexander Graf <agraf@suse.de>
Signed-off-by: NAurelien Jarno <aurelien@aurel32.net>

This patch adds a firmware blob to the S390 target. The blob is a simple
implementation of a virtio client that tries to read the second stage
bootloader from sectors described as of offset 0x20 in the MBR.

In combination with an updated zipl this allows for booting from virtio
block devices. This firmware is built from the same sources as the second
stage bootloader. You can find a virtio capable s390-tools in this repo:

git://repo.or.cz/s390-tools.gitSigned-off-by: NAlexander Graf <agraf@suse.de>
Signed-off-by: NAurelien Jarno <aurelien@aurel32.net>

When cancelling a request, bdrv_aio_cancel may decide that it waits for
completion of a request rather than for cancellation. IDE therefore can't
abandon its DMA status before calling bdrv_aio_cancel; otherwise the callback
of a completed request would use invalid data.
Signed-off-by: NKevin Wolf <kwolf@redhat.com>

See also 70539e18,
8167ee88,
530e7615 and
fad6cb1a.
Signed-off-by: NBlue Swirl <blauwirbel@gmail.com>

Signed-off-by: NBlue Swirl <blauwirbel@gmail.com>

remove #ifdef DEBUG_CMOS by using macro.
Signed-off-by: NIsaku Yamahata <yamahata@valinux.co.jp>
Acked-by: NGerd Hoffmann <kraxel@redhat.com>
Signed-off-by: NBlue Swirl <blauwirbel@gmail.com>

remove #ifdef DEBUG by using macro.
Signed-off-by: NIsaku Yamahata <yamahata@valinux.co.jp>
Acked-by: NGerd Hoffmann <kraxel@redhat.com>
Signed-off-by: NBlue Swirl <blauwirbel@gmail.com>

removed #ifdef DEBUG by using macro.
Signed-off-by: NIsaku Yamahata <yamahata@valinux.co.jp>
Acked-by: NGerd Hoffmann <kraxel@redhat.com>
Signed-off-by: NBlue Swirl <blauwirbel@gmail.com>

remove #ifdef DEBUG by using macro.
Signed-off-by: NIsaku Yamahata <yamahata@valinux.co.jp>
Acked-by: NGerd Hoffmann <kraxel@redhat.com>
Signed-off-by: NBlue Swirl <blauwirbel@gmail.com>

remove global variables, gpe and pci0_status by moving them
into PIIX4PMState.
Signed-off-by: NBlue Swirl <blauwirbel@gmail.com>
Signed-off-by: NIsaku Yamahata <yamahata@valinux.co.jp>
Acked-by: NGerd Hoffmann <kraxel@redhat.com>
Signed-off-by: NBlue Swirl <blauwirbel@gmail.com>

Add argument, DeviceState*, to pci hot plug callback.
The argument will be used later to remove global variable.
Signed-off-by: NIsaku Yamahata <yamahata@valinux.co.jp>
Acked-by: NGerd Hoffmann <kraxel@redhat.com>
Signed-off-by: NBlue Swirl <blauwirbel@gmail.com>

qdevfy acpi_piix4.
Signed-off-by: NIsaku Yamahata <yamahata@valinux.co.jp>
Acked-by: NGerd Hoffmann <kraxel@redhat.com>
Signed-off-by: NBlue Swirl <blauwirbel@gmail.com>

To match rtc_xxx with qdev, make rtc_xxx accept and return ISADevice
instead of RTCState.
Signed-off-by: NIsaku Yamahata <yamahata@valinux.co.jp>
Acked-by: NGerd Hoffmann <kraxel@redhat.com>
Signed-off-by: NBlue Swirl <blauwirbel@gmail.com>

Move rtc_xxx declarations from pc.h into mc146818rtc.h.
Signed-off-by: NIsaku Yamahata <yamahata@valinux.co.jp>
Acked-by: NGerd Hoffmann <kraxel@redhat.com>
Signed-off-by: NBlue Swirl <blauwirbel@gmail.com>

Finally, we can safely split out the piix specific part from pc.c
into pc_piix.c.
Signed-off-by: NIsaku Yamahata <yamahata@valinux.co.jp>
Acked-by: NGerd Hoffmann <kraxel@redhat.com>
Signed-off-by: NBlue Swirl <blauwirbel@gmail.com>

Split out pci device initialization from pc_init1() into pc_pci_device_init().
and removed unnecessary braces.
Signed-off-by: NIsaku Yamahata <yamahata@valinux.co.jp>
Acked-by: NGerd Hoffmann <kraxel@redhat.com>
Signed-off-by: NBlue Swirl <blauwirbel@gmail.com>

Split out basic device, i.e. legacy devices like floppy, initialization
from pc_init1() into pc_basic_device_init().
Later it will be used.
Signed-off-by: NIsaku Yamahata <yamahata@valinux.co.jp>
Acked-by: NGerd Hoffmann <kraxel@redhat.com>
Signed-off-by: NBlue Swirl <blauwirbel@gmail.com>

Split out vga initialization which is independent of piix
from pc_init1() as pc_vga_init().
Later it will be used.
Signed-off-by: NIsaku Yamahata <yamahata@valinux.co.jp>
Acked-by: NGerd Hoffmann <kraxel@redhat.com>
Signed-off-by: NBlue Swirl <blauwirbel@gmail.com>

Split out memory allocation and rom/bios loading which doesn't depend
on piix from pc_init1() into pc_memory_init().
Later it will be used.
Signed-off-by: NIsaku Yamahata <yamahata@valinux.co.jp>
Acked-by: NGerd Hoffmann <kraxel@redhat.com>
Signed-off-by: NBlue Swirl <blauwirbel@gmail.com>

split out cpu initialization which is piix independent from pc_init1()
into pc_cpus_init(). Later it will be used.
Signed-off-by: NIsaku Yamahata <yamahata@valinux.co.jp>
Acked-by: NGerd Hoffmann <kraxel@redhat.com>
Signed-off-by: NBlue Swirl <blauwirbel@gmail.com>

By introducing a registering function, make pc_init1() not refer to
ferr_irq directly in order to make ferr_irq piix independent.
Later pc_init1() will be split out into another file keeping ferr_irq
static.
Signed-off-by: NIsaku Yamahata <yamahata@valinux.co.jp>
Acked-by: NGerd Hoffmann <kraxel@redhat.com>
Signed-off-by: NBlue Swirl <blauwirbel@gmail.com>

Introduce a function, pc_allocate_cpu_irq(), to allocate cpu irq
in order to make pic_irq_request() piix independent.
Later piix code will be split out to another file keeping pic_irq_request()
static.
Signed-off-by: NIsaku Yamahata <yamahata@valinux.co.jp>
Acked-by: NGerd Hoffmann <kraxel@redhat.com>
Signed-off-by: NBlue Swirl <blauwirbel@gmail.com>

Remove the reference to the global variable, rtc_state, by passing
function argument to cmos_init_hd(), cmos_init().
Signed-off-by: NIsaku Yamahata <yamahata@valinux.co.jp>
Cc: Paolo Bonzini <bonzini@gnu.org>
Acked-by: NGerd Hoffmann <kraxel@redhat.com>
Cc: Blue Swirl <blauwirbel@gmail.com>
Signed-off-by: NBlue Swirl <blauwirbel@gmail.com>

Remove a global variable, floppy_controller.
Since it is unnecessarily global, make it local and pass it as
a function argument.
Signed-off-by: NIsaku Yamahata <yamahata@valinux.co.jp>
Acked-by: NGerd Hoffmann <kraxel@redhat.com>
Signed-off-by: NBlue Swirl <blauwirbel@gmail.com>

remove unnecessary global static variables, pit.
Make it local.
Signed-off-by: NIsaku Yamahata <yamahata@valinux.co.jp>
Acked-by: NGerd Hoffmann <kraxel@redhat.com>
Signed-off-by: NBlue Swirl <blauwirbel@gmail.com>

make cpu_smm_update() generic to be independent on i440fx by
registering a callback.
Signed-off-by: NIsaku Yamahata <yamahata@valinux.co.jp>
Acked-by: NGerd Hoffmann <kraxel@redhat.com>
Signed-off-by: NBlue Swirl <blauwirbel@gmail.com>

The changeset of 2c8d9340
prevents isa_irq_handler() from NULL refering of IsaIrqState::ioapic.
However it would be better to initialize the member before reference.
Signed-off-by: NIsaku Yamahata <yamahata@valinux.co.jp>
Acked-by: NGerd Hoffmann <kraxel@redhat.com>
Signed-off-by: NBlue Swirl <blauwirbel@gmail.com>

Split acpi.c into the common part and the piix4 specific part.
The common part will be used later.
Signed-off-by: NIsaku Yamahata <yamahata@valinux.co.jp>
Acked-by: NGerd Hoffmann <kraxel@redhat.com>
Signed-off-by: NBlue Swirl <blauwirbel@gmail.com>

add acpi constants from linux header files and
replace the old constants with them.
The acpi constants will be used by other file.
Signed-off-by: NIsaku Yamahata <yamahata@valinux.co.jp>
Acked-by: NGerd Hoffmann <kraxel@redhat.com>
Signed-off-by: NBlue Swirl <blauwirbel@gmail.com>

Split out apm register emulation for acpi.c into apm.c.
The apm emulation will be used later.
Signed-off-by: NIsaku Yamahata <yamahata@valinux.co.jp>
Acked-by: NGerd Hoffmann <kraxel@redhat.com>
Cc: Aurelien Jarno <aurelien@aurel32.net>
Signed-off-by: NBlue Swirl <blauwirbel@gmail.com>

Split out piix4 smbus routines from acpi.c into pm_smbus.c and
use it.
The split out smbus emulation will be used later.
Signed-off-by: NIsaku Yamahata <yamahata@valinux.co.jp>
Acked-by: NGerd Hoffmann <kraxel@redhat.com>
Cc: Aurelien Jarno <aurelien@aurel32.net>
Signed-off-by: NBlue Swirl <blauwirbel@gmail.com>

After defining the required alias ID, we can push vmstate registration
of mc146818rtc to qdev.
Signed-off-by: NJan Kiszka <jan.kiszka@siemens.com>
Signed-off-by: NBlue Swirl <blauwirbel@gmail.com>

Establish vmstate containers for ISA and sysbus variant, define the
iobase as instance ID alias, and let qdev do the vmstate registration
work.
Signed-off-by: NJan Kiszka <jan.kiszka@siemens.com>
Signed-off-by: NBlue Swirl <blauwirbel@gmail.com>