From patchwork Wed Aug 24 13:40:57 2011 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Avi Kivity X-Patchwork-Id: 111368 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Received: from lists.gnu.org (lists.gnu.org [140.186.70.17]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (Client did not present a certificate) by ozlabs.org (Postfix) with ESMTPS id A660FB6F62 for ; Thu, 25 Aug 2011 00:53:23 +1000 (EST) Received: from localhost ([::1]:37402 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1QwDia-0000CP-5w for incoming@patchwork.ozlabs.org; Wed, 24 Aug 2011 09:42:08 -0400 Received: from eggs.gnu.org ([140.186.70.92]:41617) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1QwDhe-0005oe-Mf for qemu-devel@nongnu.org; Wed, 24 Aug 2011 09:41:14 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1QwDha-0007MJ-0i for qemu-devel@nongnu.org; Wed, 24 Aug 2011 09:41:10 -0400 Received: from mx1.redhat.com ([209.132.183.28]:63978) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1QwDhZ-0007Lf-I4 for qemu-devel@nongnu.org; Wed, 24 Aug 2011 09:41:05 -0400 Received: from int-mx02.intmail.prod.int.phx2.redhat.com (int-mx02.intmail.prod.int.phx2.redhat.com [10.5.11.12]) by mx1.redhat.com (8.14.4/8.14.4) with ESMTP id p7ODf49Q009023 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK) for ; Wed, 24 Aug 2011 09:41:05 -0400 Received: from cleopatra.tlv.redhat.com (cleopatra.tlv.redhat.com [10.35.255.11]) by int-mx02.intmail.prod.int.phx2.redhat.com (8.13.8/8.13.8) with ESMTP id p7ODf3GR020011 for ; Wed, 24 Aug 2011 09:41:04 -0400 Received: from s01.tlv.redhat.com (s01.tlv.redhat.com [10.35.255.8]) by cleopatra.tlv.redhat.com (Postfix) with ESMTP id 2C437250B60; Wed, 24 Aug 2011 16:41:01 +0300 (IDT) From: Avi Kivity To: qemu-devel@nongnu.org Date: Wed, 24 Aug 2011 16:40:57 +0300 Message-Id: <1314193259-27092-21-git-send-email-avi@redhat.com> In-Reply-To: <1314193259-27092-1-git-send-email-avi@redhat.com> References: <1314193259-27092-1-git-send-email-avi@redhat.com> X-Scanned-By: MIMEDefang 2.67 on 10.5.11.12 X-detected-operating-system: by eggs.gnu.org: Genre and OS details not recognized. X-Received-From: 209.132.183.28 Subject: [Qemu-devel] [PATCH v2 20/22] milkymist-minimac2: convert to memory API X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Signed-off-by: Avi Kivity --- hw/milkymist-minimac2.c | 43 +++++++++++++++++++++---------------------- 1 files changed, 21 insertions(+), 22 deletions(-) diff --git a/hw/milkymist-minimac2.c b/hw/milkymist-minimac2.c index cd36026..fb48e37 100644 --- a/hw/milkymist-minimac2.c +++ b/hw/milkymist-minimac2.c @@ -97,6 +97,8 @@ struct MilkymistMinimac2State { NICConf conf; char *phy_model; target_phys_addr_t buffers_base; + MemoryRegion buffers; + MemoryRegion regs_region; qemu_irq rx_irq; qemu_irq tx_irq; @@ -320,8 +322,8 @@ static ssize_t minimac2_rx(VLANClientState *nc, const uint8_t *buf, size_t size) return size; } -static uint32_t -minimac2_read(void *opaque, target_phys_addr_t addr) +static uint64_t +minimac2_read(void *opaque, target_phys_addr_t addr, unsigned size) { MilkymistMinimac2State *s = opaque; uint32_t r = 0; @@ -350,7 +352,8 @@ minimac2_read(void *opaque, target_phys_addr_t addr) } static void -minimac2_write(void *opaque, target_phys_addr_t addr, uint32_t value) +minimac2_write(void *opaque, target_phys_addr_t addr, uint64_t value, + unsigned size) { MilkymistMinimac2State *s = opaque; @@ -395,16 +398,14 @@ minimac2_write(void *opaque, target_phys_addr_t addr, uint32_t value) } } -static CPUReadMemoryFunc * const minimac2_read_fn[] = { - NULL, - NULL, - &minimac2_read, -}; - -static CPUWriteMemoryFunc * const minimac2_write_fn[] = { - NULL, - NULL, - &minimac2_write, +static const MemoryRegionOps minimac2_ops = { + .read = minimac2_read, + .write = minimac2_write, + .valid = { + .min_access_size = 4, + .max_access_size = 4, + }, + .endianness = DEVICE_NATIVE_ENDIAN, }; static int minimac2_can_rx(VLANClientState *nc) @@ -457,25 +458,23 @@ static NetClientInfo net_milkymist_minimac2_info = { static int milkymist_minimac2_init(SysBusDevice *dev) { MilkymistMinimac2State *s = FROM_SYSBUS(typeof(*s), dev); - int regs; - ram_addr_t buffers; size_t buffers_size = TARGET_PAGE_ALIGN(3 * MINIMAC2_BUFFER_SIZE); sysbus_init_irq(dev, &s->rx_irq); sysbus_init_irq(dev, &s->tx_irq); - regs = cpu_register_io_memory(minimac2_read_fn, minimac2_write_fn, s, - DEVICE_NATIVE_ENDIAN); - sysbus_init_mmio(dev, R_MAX * 4, regs); + memory_region_init_io(&s->regs_region, &minimac2_ops, s, + "minimac2-mmio", R_MAX * 4); + sysbus_init_mmio_region(dev, &s->regs_region); /* register buffers memory */ - buffers = qemu_ram_alloc(NULL, "milkymist_minimac2.buffers", buffers_size); - s->rx0_buf = qemu_get_ram_ptr(buffers); + memory_region_init_ram(&s->buffers, NULL, "milkymist_minimac2.buffers", + buffers_size); + s->rx0_buf = memory_region_get_ram_ptr(&s->buffers); s->rx1_buf = s->rx0_buf + MINIMAC2_BUFFER_SIZE; s->tx_buf = s->rx1_buf + MINIMAC2_BUFFER_SIZE; - cpu_register_physical_memory(s->buffers_base, buffers_size, - buffers | IO_MEM_RAM); + sysbus_add_memory(dev, s->buffers_base, &s->buffers); qemu_macaddr_default_if_unset(&s->conf.macaddr); s->nic = qemu_new_nic(&net_milkymist_minimac2_info, &s->conf,