From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:40450) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1cQcSF-00084Y-FD for qemu-devel@nongnu.org; Mon, 09 Jan 2017 11:05:52 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1cQcSB-0003q8-Ig for qemu-devel@nongnu.org; Mon, 09 Jan 2017 11:05:51 -0500 From: Peter Maydell Date: Mon, 9 Jan 2017 16:05:09 +0000 Message-Id: <1483977924-14522-4-git-send-email-peter.maydell@linaro.org> In-Reply-To: <1483977924-14522-1-git-send-email-peter.maydell@linaro.org> References: <1483977924-14522-1-git-send-email-peter.maydell@linaro.org> Subject: [Qemu-devel] [PATCH v2 03/18] target-arm: Expose output GPIO line for VCPU maintenance interrupt List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-arm@nongnu.org, qemu-devel@nongnu.org Cc: patches@linaro.org, Andrew Jones , Christoffer Dall , "Edgar E . Iglesias" , Alistair Francis The GICv3 support for virtualization includes an outbound maintenance interrupt signal which is asserted when the CPU interface wants to signal to the hypervisor that it needs attention. Expose this as an outbound GPIO line from the CPU object which can be wired up as a physical interrupt line by the board code (as we do already for the CPU timers). Signed-off-by: Peter Maydell Reviewed-by: Edgar E. Iglesias --- target/arm/cpu.h | 2 ++ target/arm/cpu.c | 3 +++ 2 files changed, 5 insertions(+) diff --git a/target/arm/cpu.h b/target/arm/cpu.h index ab119e6..764b511 100644 --- a/target/arm/cpu.h +++ b/target/arm/cpu.h @@ -555,6 +555,8 @@ struct ARMCPU { QEMUTimer *gt_timer[NUM_GTIMERS]; /* GPIO outputs for generic timer */ qemu_irq gt_timer_outputs[NUM_GTIMERS]; + /* GPIO output for GICv3 maintenance interrupt signal */ + qemu_irq gicv3_maintenance_interrupt; /* MemoryRegion to use for secure physical accesses */ MemoryRegion *secure_memory; diff --git a/target/arm/cpu.c b/target/arm/cpu.c index f5cb30a..8932086 100644 --- a/target/arm/cpu.c +++ b/target/arm/cpu.c @@ -466,6 +466,9 @@ static void arm_cpu_initfn(Object *obj) arm_gt_stimer_cb, cpu); qdev_init_gpio_out(DEVICE(cpu), cpu->gt_timer_outputs, ARRAY_SIZE(cpu->gt_timer_outputs)); + + qdev_init_gpio_out_named(DEVICE(cpu), &cpu->gicv3_maintenance_interrupt, + "gicv3-maintenance-interrupt", 1); #endif /* DTB consumers generally don't in fact care what the 'compatible' -- 2.7.4