From patchwork Fri Mar 4 11:41:33 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Peter Maydell X-Patchwork-Id: 8503141 Return-Path: X-Original-To: patchwork-qemu-devel@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork2.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.136]) by patchwork2.web.kernel.org (Postfix) with ESMTP id 922B9C0553 for ; Fri, 4 Mar 2016 11:42:23 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id BEC712011B for ; Fri, 4 Mar 2016 11:42:22 +0000 (UTC) Received: from lists.gnu.org (lists.gnu.org [208.118.235.17]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id C2407201C7 for ; Fri, 4 Mar 2016 11:42:21 +0000 (UTC) Received: from localhost ([::1]:40492 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1abo7h-00054T-4p for patchwork-qemu-devel@patchwork.kernel.org; Fri, 04 Mar 2016 06:42:21 -0500 Received: from eggs.gnu.org ([2001:4830:134:3::10]:40814) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1abo7O-0004wG-6k for qemu-devel@nongnu.org; Fri, 04 Mar 2016 06:42:03 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1abo7N-00016d-1e for qemu-devel@nongnu.org; Fri, 04 Mar 2016 06:42:02 -0500 Received: from orth.archaic.org.uk ([2001:8b0:1d0::2]:56098) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1abo7M-00016Y-JL for qemu-devel@nongnu.org; Fri, 04 Mar 2016 06:42:00 -0500 Received: from pm215 by orth.archaic.org.uk with local (Exim 4.84) (envelope-from ) id 1abo7M-0001u2-3C for qemu-devel@nongnu.org; Fri, 04 Mar 2016 11:42:00 +0000 From: Peter Maydell To: qemu-devel@nongnu.org Date: Fri, 4 Mar 2016 11:41:33 +0000 Message-Id: <1457091713-10138-11-git-send-email-peter.maydell@linaro.org> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1457091713-10138-1-git-send-email-peter.maydell@linaro.org> References: <1457091713-10138-1-git-send-email-peter.maydell@linaro.org> X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 2001:8b0:1d0::2 Subject: [Qemu-devel] [PULL 10/30] bcm2835_mbox/property: replace ldl_phys/stl_phys with endian-specific accesses 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+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org Sender: qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org X-Spam-Status: No, score=-6.9 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_HI, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP From: Andrew Baumann PMM pointed out that ldl_phys and stl_phys are dependent on the CPU's endianness, whereas device model code should be independent of it. This changes the relevant Raspberry Pi devices to explicitly call the little-endian variants. Signed-off-by: Andrew Baumann Message-id: 1456880233-22568-1-git-send-email-Andrew.Baumann@microsoft.com Reviewed-by: Peter Maydell Signed-off-by: Peter Maydell --- hw/misc/bcm2835_mbox.c | 6 +++--- hw/misc/bcm2835_property.c | 38 +++++++++++++++++++------------------- 2 files changed, 22 insertions(+), 22 deletions(-) diff --git a/hw/misc/bcm2835_mbox.c b/hw/misc/bcm2835_mbox.c index 500baba..106585a 100644 --- a/hw/misc/bcm2835_mbox.c +++ b/hw/misc/bcm2835_mbox.c @@ -98,7 +98,7 @@ static void bcm2835_mbox_update(BCM2835MboxState *s) */ for (n = 0; n < MBOX_CHAN_COUNT; n++) { while (s->available[n] && !(s->mbox[0].status & ARM_MS_FULL)) { - value = ldl_phys(&s->mbox_as, n << MBOX_AS_CHAN_SHIFT); + value = ldl_le_phys(&s->mbox_as, n << MBOX_AS_CHAN_SHIFT); assert(value != MBOX_INVALID_DATA); /* Pending interrupt but no data */ mbox_push(&s->mbox[0], value); } @@ -207,12 +207,12 @@ static void bcm2835_mbox_write(void *opaque, hwaddr offset, ch = value & 0xf; if (ch < MBOX_CHAN_COUNT) { childaddr = ch << MBOX_AS_CHAN_SHIFT; - if (ldl_phys(&s->mbox_as, childaddr + MBOX_AS_PENDING)) { + if (ldl_le_phys(&s->mbox_as, childaddr + MBOX_AS_PENDING)) { /* Child busy, push delayed. Push it in the arm->vc mbox */ mbox_push(&s->mbox[1], value); } else { /* Push it directly to the child device */ - stl_phys(&s->mbox_as, childaddr, value); + stl_le_phys(&s->mbox_as, childaddr, value); } } else { /* Invalid channel number */ diff --git a/hw/misc/bcm2835_property.c b/hw/misc/bcm2835_property.c index 581922a..41fbbe3 100644 --- a/hw/misc/bcm2835_property.c +++ b/hw/misc/bcm2835_property.c @@ -22,20 +22,20 @@ static void bcm2835_property_mbox_push(BCM2835PropertyState *s, uint32_t value) s->addr = value; - tot_len = ldl_phys(&s->dma_as, value); + tot_len = ldl_le_phys(&s->dma_as, value); /* @(addr + 4) : Buffer response code */ value = s->addr + 8; while (value + 8 <= s->addr + tot_len) { - tag = ldl_phys(&s->dma_as, value); - bufsize = ldl_phys(&s->dma_as, value + 4); + tag = ldl_le_phys(&s->dma_as, value); + bufsize = ldl_le_phys(&s->dma_as, value + 4); /* @(value + 8) : Request/response indicator */ resplen = 0; switch (tag) { case 0x00000000: /* End tag */ break; case 0x00000001: /* Get firmware revision */ - stl_phys(&s->dma_as, value + 12, 346337); + stl_le_phys(&s->dma_as, value + 12, 346337); resplen = 4; break; case 0x00010001: /* Get board model */ @@ -44,7 +44,7 @@ static void bcm2835_property_mbox_push(BCM2835PropertyState *s, uint32_t value) resplen = 4; break; case 0x00010002: /* Get board revision */ - stl_phys(&s->dma_as, value + 12, s->board_rev); + stl_le_phys(&s->dma_as, value + 12, s->board_rev); resplen = 4; break; case 0x00010003: /* Get board MAC address */ @@ -58,24 +58,24 @@ static void bcm2835_property_mbox_push(BCM2835PropertyState *s, uint32_t value) break; case 0x00010005: /* Get ARM memory */ /* base */ - stl_phys(&s->dma_as, value + 12, 0); + stl_le_phys(&s->dma_as, value + 12, 0); /* size */ - stl_phys(&s->dma_as, value + 16, s->ram_size); + stl_le_phys(&s->dma_as, value + 16, s->ram_size); resplen = 8; break; case 0x00028001: /* Set power state */ /* Assume that whatever device they asked for exists, * and we'll just claim we set it to the desired state */ - tmp = ldl_phys(&s->dma_as, value + 16); - stl_phys(&s->dma_as, value + 16, (tmp & 1)); + tmp = ldl_le_phys(&s->dma_as, value + 16); + stl_le_phys(&s->dma_as, value + 16, (tmp & 1)); resplen = 8; break; /* Clocks */ case 0x00030001: /* Get clock state */ - stl_phys(&s->dma_as, value + 16, 0x1); + stl_le_phys(&s->dma_as, value + 16, 0x1); resplen = 8; break; @@ -88,15 +88,15 @@ static void bcm2835_property_mbox_push(BCM2835PropertyState *s, uint32_t value) case 0x00030002: /* Get clock rate */ case 0x00030004: /* Get max clock rate */ case 0x00030007: /* Get min clock rate */ - switch (ldl_phys(&s->dma_as, value + 12)) { + switch (ldl_le_phys(&s->dma_as, value + 12)) { case 1: /* EMMC */ - stl_phys(&s->dma_as, value + 16, 50000000); + stl_le_phys(&s->dma_as, value + 16, 50000000); break; case 2: /* UART */ - stl_phys(&s->dma_as, value + 16, 3000000); + stl_le_phys(&s->dma_as, value + 16, 3000000); break; default: - stl_phys(&s->dma_as, value + 16, 700000000); + stl_le_phys(&s->dma_as, value + 16, 700000000); break; } resplen = 8; @@ -113,19 +113,19 @@ static void bcm2835_property_mbox_push(BCM2835PropertyState *s, uint32_t value) /* Temperature */ case 0x00030006: /* Get temperature */ - stl_phys(&s->dma_as, value + 16, 25000); + stl_le_phys(&s->dma_as, value + 16, 25000); resplen = 8; break; case 0x0003000A: /* Get max temperature */ - stl_phys(&s->dma_as, value + 16, 99000); + stl_le_phys(&s->dma_as, value + 16, 99000); resplen = 8; break; case 0x00060001: /* Get DMA channels */ /* channels 2-5 */ - stl_phys(&s->dma_as, value + 12, 0x003C); + stl_le_phys(&s->dma_as, value + 12, 0x003C); resplen = 4; break; @@ -143,12 +143,12 @@ static void bcm2835_property_mbox_push(BCM2835PropertyState *s, uint32_t value) break; } - stl_phys(&s->dma_as, value + 8, (1 << 31) | resplen); + stl_le_phys(&s->dma_as, value + 8, (1 << 31) | resplen); value += bufsize + 12; } /* Buffer response code */ - stl_phys(&s->dma_as, s->addr + 4, (1 << 31)); + stl_le_phys(&s->dma_as, s->addr + 4, (1 << 31)); } static uint64_t bcm2835_property_read(void *opaque, hwaddr offset,