From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:60599) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1g07aT-00071k-AB for qemu-devel@nongnu.org; Wed, 12 Sep 2018 12:01:54 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1g07aS-0003dc-Lj for qemu-devel@nongnu.org; Wed, 12 Sep 2018 12:01:53 -0400 Received: from m12-15.163.com ([220.181.12.15]:51598) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1g07aR-0003ax-RU for qemu-devel@nongnu.org; Wed, 12 Sep 2018 12:01:52 -0400 From: Li Qiang Date: Wed, 12 Sep 2018 09:01:11 -0700 Message-Id: <20180912160118.21158-2-liq3ea@163.com> In-Reply-To: <20180912160118.21158-1-liq3ea@163.com> References: <20180912160118.21158-1-liq3ea@163.com> Subject: [Qemu-devel] [PATCH 1/8] fw_cfg_mem: add read memory region callback List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: pbonzini@redhat.com, lersek@redhat.com, marcandre.lureau@gmail.com, ehabkost@redhat.com, mst@redhat.com, peter.maydell@linaro.org, ppandit@redhat.com Cc: qemu-devel@nongnu.org, Li Qiang From: Li Qiang Signed-off-by: Li Qiang --- hw/nvram/fw_cfg.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/hw/nvram/fw_cfg.c b/hw/nvram/fw_cfg.c index d79a568f54..6de7809f1a 100644 --- a/hw/nvram/fw_cfg.c +++ b/hw/nvram/fw_cfg.c @@ -434,6 +434,11 @@ static bool fw_cfg_data_mem_valid(void *opaque, hwaddr addr, return addr == 0; } +static uint64_t fw_cfg_ctl_mem_read(void *opaque, hwaddr addr, unsigned size) +{ + return 0; +} + static void fw_cfg_ctl_mem_write(void *opaque, hwaddr addr, uint64_t value, unsigned size) { @@ -468,6 +473,7 @@ static bool fw_cfg_comb_valid(void *opaque, hwaddr addr, } static const MemoryRegionOps fw_cfg_ctl_mem_ops = { + .read = fw_cfg_ctl_mem_read, .write = fw_cfg_ctl_mem_write, .endianness = DEVICE_BIG_ENDIAN, .valid.accepts = fw_cfg_ctl_mem_valid, -- 2.17.1