qemu-patch-raspberry4/target-ppc/kvm_ppc.c
Alex Bligh bc72ad6754 aio / timers: Switch entire codebase to the new timer API
This is an autogenerated patch using scripts/switch-timer-api.

Switch the entire code base to using the new timer API.

Note this patch may introduce some line length issues.

Signed-off-by: Alex Bligh <alex@alex.org.uk>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2013-08-22 19:14:24 +02:00

41 lines
1.1 KiB
C

/*
* PowerPC KVM support
*
* Copyright IBM Corp. 2008
*
* Authors:
* Hollis Blanchard <hollisb@us.ibm.com>
*
* This work is licensed under the terms of the GNU GPL, version 2 or later.
* See the COPYING file in the top-level directory.
*
*/
#include "qemu-common.h"
#include "qemu/timer.h"
#include "kvm_ppc.h"
#include "sysemu/device_tree.h"
#define PROC_DEVTREE_PATH "/proc/device-tree"
static QEMUTimer *kvmppc_timer;
static unsigned int kvmppc_timer_rate;
static void kvmppc_timer_hack(void *opaque)
{
qemu_notify_event();
timer_mod(kvmppc_timer, qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL) + kvmppc_timer_rate);
}
void kvmppc_init(void)
{
/* XXX The only reason KVM yields control back to qemu is device IO. Since
* an idle guest does no IO, qemu's device model will never get a chance to
* run. So, until QEMU gains IO threads, we create this timer to ensure
* that the device model gets a chance to run. */
kvmppc_timer_rate = get_ticks_per_sec() / 10;
kvmppc_timer = timer_new_ns(QEMU_CLOCK_VIRTUAL, &kvmppc_timer_hack, NULL);
timer_mod(kvmppc_timer, qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL) + kvmppc_timer_rate);
}