From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from [140.186.70.92] (port=47464 helo=eggs.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1Q8DUi-0000bs-P0 for qemu-devel@nongnu.org; Fri, 08 Apr 2011 11:21:13 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1Q8DUO-0005Wk-Uu for qemu-devel@nongnu.org; Fri, 08 Apr 2011 11:20:53 -0400 Received: from mx1.redhat.com ([209.132.183.28]:32406) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Q8DUO-0005WX-LT for qemu-devel@nongnu.org; Fri, 08 Apr 2011 11:20:48 -0400 From: Ulrich Obergfell Date: Fri, 8 Apr 2011 17:20:38 +0200 Message-Id: <1302276042-3497-2-git-send-email-uobergfe@redhat.com> In-Reply-To: <1302276042-3497-1-git-send-email-uobergfe@redhat.com> References: <1302276042-3497-1-git-send-email-uobergfe@redhat.com> Subject: [Qemu-devel] [PATCH v2 1/5] hpet 'driftfix': add hooks required to detect coalesced interrupts (x86 apic only) List-Id: qemu-devel.nongnu.org List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-devel@nongnu.org Cc: aliguori@us.ibm.com, kvm@vger.kernel.org, jan.kiszka@siemens.com, uobergfe@redhat.com, gcosta@redhat.com, avi@redhat.com 'target_get_irq_delivered' and 'target_reset_irq_delivered' contain entry addresses of functions that are utilized by update_irq() to detect coalesced interrupts. apic code loads these pointers during initialization. Signed-off-by: Ulrich Obergfell --- hw/apic.c | 4 ++++ sysemu.h | 3 +++ vl.c | 3 +++ 3 files changed, 10 insertions(+), 0 deletions(-) diff --git a/hw/apic.c b/hw/apic.c index 00907e0..44d8cb3 100644 --- a/hw/apic.c +++ b/hw/apic.c @@ -24,6 +24,7 @@ #include "sysbus.h" #include "trace.h" #include "kvm.h" +#include "sysemu.h" /* APIC Local Vector Table */ #define APIC_LVT_TIMER 0 @@ -1143,6 +1144,9 @@ static SysBusDeviceInfo apic_info = { static void apic_register_devices(void) { + target_get_irq_delivered = apic_get_irq_delivered; + target_reset_irq_delivered = apic_reset_irq_delivered; + sysbus_register_withprop(&apic_info); } diff --git a/sysemu.h b/sysemu.h index 3f7e17e..b5d4f90 100644 --- a/sysemu.h +++ b/sysemu.h @@ -96,6 +96,9 @@ int qemu_savevm_state_complete(Monitor *mon, QEMUFile *f); void qemu_savevm_state_cancel(Monitor *mon, QEMUFile *f); int qemu_loadvm_state(QEMUFile *f); +extern int (*target_get_irq_delivered)(void); +extern void (*target_reset_irq_delivered)(void); + /* SLIRP */ void do_info_slirp(Monitor *mon); diff --git a/vl.c b/vl.c index 8bcf2ae..548912a 100644 --- a/vl.c +++ b/vl.c @@ -231,6 +231,9 @@ const char *prom_envs[MAX_PROM_ENVS]; const char *nvram = NULL; int boot_menu; +int (*target_get_irq_delivered)(void) = 0; +void (*target_reset_irq_delivered)(void) = 0; + typedef struct FWBootEntry FWBootEntry; struct FWBootEntry { -- 1.6.2.5