From patchwork Sun Jun 5 22:36:43 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Mark Cave-Ayland X-Patchwork-Id: 630626 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Received: from lists.gnu.org (lists.gnu.org [IPv6:2001:4830:134:3::11]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (No client certificate requested) by ozlabs.org (Postfix) with ESMTPS id 3rNCVq0qWYz9t2D for ; Mon, 6 Jun 2016 08:41:39 +1000 (AEST) Received: from localhost ([::1]:38876 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1b9gjh-0003IL-6u for incoming@patchwork.ozlabs.org; Sun, 05 Jun 2016 18:41:37 -0400 Received: from eggs.gnu.org ([2001:4830:134:3::10]:50859) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1b9gfp-0000JP-GX for qemu-devel@nongnu.org; Sun, 05 Jun 2016 18:37:38 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1b9gfi-0004g2-7J for qemu-devel@nongnu.org; Sun, 05 Jun 2016 18:37:36 -0400 Received: from chuckie.co.uk ([82.165.15.123]:57733 helo=s16892447.onlinehome-server.info) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1b9gfi-0004fs-0M; Sun, 05 Jun 2016 18:37:30 -0400 Received: from host86-181-186-5.range86-181.btcentralplus.com ([86.181.186.5] helo=kentang.home) by s16892447.onlinehome-server.info with esmtpsa (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.76) (envelope-from ) id 1b9gfe-0006jT-Ug; Sun, 05 Jun 2016 23:37:27 +0100 From: Mark Cave-Ayland To: qemu-devel@nongnu.org, qemu-ppc@nongnu.org, david@gibson.dropbear.id.au Date: Sun, 5 Jun 2016 23:36:43 +0100 Message-Id: <1465166203-15803-3-git-send-email-mark.cave-ayland@ilande.co.uk> X-Mailer: git-send-email 1.7.10.4 In-Reply-To: <1465166203-15803-1-git-send-email-mark.cave-ayland@ilande.co.uk> References: <1465166203-15803-1-git-send-email-mark.cave-ayland@ilande.co.uk> X-SA-Exim-Connect-IP: 86.181.186.5 X-SA-Exim-Mail-From: mark.cave-ayland@ilande.co.uk X-SA-Exim-Version: 4.2.1 (built Sun, 08 Jan 2012 02:45:44 +0000) X-SA-Exim-Scanned: Yes (on s16892447.onlinehome-server.info) X-detected-operating-system: by eggs.gnu.org: GNU/Linux 3.x X-Received-From: 82.165.15.123 Subject: [Qemu-devel] [PATCH 2/2] dbdma: use DMA memory interface for memory accesses X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.21 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" Signed-off-by: Mark Cave-Ayland --- hw/misc/macio/mac_dbdma.c | 13 +++++++------ 1 file changed, 7 insertions(+), 6 deletions(-) diff --git a/hw/misc/macio/mac_dbdma.c b/hw/misc/macio/mac_dbdma.c index 5632743..f116f9c 100644 --- a/hw/misc/macio/mac_dbdma.c +++ b/hw/misc/macio/mac_dbdma.c @@ -42,6 +42,7 @@ #include "hw/ppc/mac_dbdma.h" #include "qemu/main-loop.h" #include "qemu/log.h" +#include "sysemu/dma.h" /* debug DBDMA */ //#define DEBUG_DBDMA @@ -81,8 +82,8 @@ static void dbdma_cmdptr_load(DBDMA_channel *ch) { DBDMA_DPRINTF("dbdma_cmdptr_load 0x%08x\n", ch->regs[DBDMA_CMDPTR_LO]); - cpu_physical_memory_read(ch->regs[DBDMA_CMDPTR_LO], - &ch->current, sizeof(dbdma_cmd)); + dma_memory_read(&address_space_memory, ch->regs[DBDMA_CMDPTR_LO], + &ch->current, sizeof(dbdma_cmd)); } static void dbdma_cmdptr_save(DBDMA_channel *ch) @@ -92,8 +93,8 @@ static void dbdma_cmdptr_save(DBDMA_channel *ch) DBDMA_DPRINTF("xfer_status 0x%08x res_count 0x%04x\n", le16_to_cpu(ch->current.xfer_status), le16_to_cpu(ch->current.res_count)); - cpu_physical_memory_write(ch->regs[DBDMA_CMDPTR_LO], - &ch->current, sizeof(dbdma_cmd)); + dma_memory_write(&address_space_memory, ch->regs[DBDMA_CMDPTR_LO], + &ch->current, sizeof(dbdma_cmd)); } static void kill_channel(DBDMA_channel *ch) @@ -353,7 +354,7 @@ static void load_word(DBDMA_channel *ch, int key, uint32_t addr, return; } - cpu_physical_memory_read(addr, &val, len); + dma_memory_read(&address_space_memory, addr, &val, len); if (len == 2) val = (val << 16) | (current->cmd_dep & 0x0000ffff); @@ -398,7 +399,7 @@ static void store_word(DBDMA_channel *ch, int key, uint32_t addr, else if (len == 1) val >>= 24; - cpu_physical_memory_write(addr, &val, len); + dma_memory_write(&address_space_memory, addr, &val, len); if (conditional_wait(ch)) goto wait;