From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:54426) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1gNUoz-00057Y-6x for qemu-devel@nongnu.org; Thu, 15 Nov 2018 22:29:30 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1gNUou-0001Ef-1h for qemu-devel@nongnu.org; Thu, 15 Nov 2018 22:29:27 -0500 References: <1542365406-81310-1-git-send-email-peng.hao2@zte.com.cn> <1542365406-81310-5-git-send-email-peng.hao2@zte.com.cn> From: Shannon Zhao Message-ID: <28d47b6b-acfd-3e24-2926-84e9fffee6c8@gmail.com> Date: Fri, 16 Nov 2018 11:29:13 +0800 MIME-Version: 1.0 In-Reply-To: <1542365406-81310-5-git-send-email-peng.hao2@zte.com.cn> Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-US Content-Transfer-Encoding: 8bit Subject: Re: [Qemu-devel] [Qemu-arm] [PATCH V7 4/6] hw/arm/virt: Use the pvpanic device List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Peng Hao , peter.maydell@linaro.org, drjones@redhat.com, philmd@redhat.com Cc: qemu-arm@nongnu.org, qemu-devel@nongnu.org Hi, On 2018/11/16 18:50, Peng Hao wrote: > Add pvpanic device in arm virt machine. > > Signed-off-by: Peng Hao > Signed-off-by: Philippe Mathieu-Daudé > --- > default-configs/arm-softmmu.mak | 1 + > hw/arm/virt.c | 21 +++++++++++++++++++++ > include/hw/arm/virt.h | 1 + > 3 files changed, 23 insertions(+) > > diff --git a/default-configs/arm-softmmu.mak b/default-configs/arm-softmmu.mak > index 2420491..50345df 100644 > --- a/default-configs/arm-softmmu.mak > +++ b/default-configs/arm-softmmu.mak > @@ -159,3 +159,4 @@ CONFIG_PCI_DESIGNWARE=y > CONFIG_STRONGARM=y > CONFIG_HIGHBANK=y > CONFIG_MUSICPAL=y > +CONFIG_PVPANIC=y > diff --git a/hw/arm/virt.c b/hw/arm/virt.c > index 9f67782..c4f29c8 100644 > --- a/hw/arm/virt.c > +++ b/hw/arm/virt.c > @@ -59,6 +59,7 @@ > #include "qapi/visitor.h" > #include "standard-headers/linux/input.h" > #include "hw/arm/smmuv3.h" > +#include "hw/misc/pvpanic.h" > > #define DEFINE_VIRT_MACHINE_LATEST(major, minor, latest) \ > static void virt_##major##_##minor##_class_init(ObjectClass *oc, \ > @@ -143,6 +144,7 @@ static const MemMapEntry a15memmap[] = { > [VIRT_GPIO] = { 0x09030000, 0x00001000 }, > [VIRT_SECURE_UART] = { 0x09040000, 0x00001000 }, > [VIRT_SMMU] = { 0x09050000, 0x00020000 }, > + [VIRT_PVPANIC] = { 0x09070000, 0x00000002 }, > [VIRT_MMIO] = { 0x0a000000, 0x00000200 }, > /* ...repeating for a total of NUM_VIRTIO_TRANSPORTS, each of that size */ > [VIRT_PLATFORM_BUS] = { 0x0c000000, 0x02000000 }, > @@ -190,6 +192,23 @@ static bool cpu_type_valid(const char *cpu) > return false; > } > > +static void create_pvpanic_device(const VirtMachineState *vms) > +{ > + char *nodename; > + hwaddr base = vms->memmap[VIRT_PVPANIC].base; > + hwaddr size = vms->memmap[VIRT_PVPANIC].size; > + > + sysbus_create_simple(TYPE_PVPANIC_MMIO, base, NULL); > + > + nodename = g_strdup_printf("/pvpanic-mmio@%" PRIx64, base); > + qemu_fdt_add_subnode(vms->fdt, nodename); > + qemu_fdt_setprop_string(vms->fdt, nodename, > + "compatible", "qemu,pvpanic-mmio"); > + qemu_fdt_setprop_sized_cells(vms->fdt, nodename, "reg", > + 2, base, 2, size); > + g_free(nodename); > +} > + > static void create_fdt(VirtMachineState *vms) > { > void *fdt = create_device_tree(&vms->fdt_size); > @@ -1531,6 +1550,8 @@ static void machvirt_init(MachineState *machine) > > create_flash(vms, sysmem, secure_sysmem ? secure_sysmem : sysmem); > > + create_pvpanic_device(vms); > + It should not create pvpanic by default. It should be configurable via -device pvpanic. Thanks, Shannon