From patchwork Wed Jun 27 23:29:50 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Laurent Vivier X-Patchwork-Id: 935789 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=pass (mailfrom) smtp.mailfrom=nongnu.org (client-ip=2001:4830:134:3::11; helo=lists.gnu.org; envelope-from=qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org; receiver=) Authentication-Results: ozlabs.org; dmarc=none (p=none dis=none) header.from=vivier.eu 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 41GK870n7Jz9s01 for ; Thu, 28 Jun 2018 09:37:27 +1000 (AEST) Received: from localhost ([::1]:33650 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1fYK04-0003xG-Nm for incoming@patchwork.ozlabs.org; Wed, 27 Jun 2018 19:37:24 -0400 Received: from eggs.gnu.org ([2001:4830:134:3::10]:48613) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1fYJtX-00084Y-5B for qemu-devel@nongnu.org; Wed, 27 Jun 2018 19:30:43 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1fYJtV-0003mq-9K for qemu-devel@nongnu.org; Wed, 27 Jun 2018 19:30:39 -0400 Received: from mout.kundenserver.de ([212.227.126.130]:39794) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_128_CBC_SHA1:16) (Exim 4.71) (envelope-from ) id 1fYJtR-0003kx-8Z; Wed, 27 Jun 2018 19:30:33 -0400 Received: from localhost.localdomain ([78.238.229.36]) by mrelayeu.kundenserver.de (mreue001 [212.227.15.167]) with ESMTPSA (Nemesis) id 0Ly6OT-1gBJUy3685-015cVT; Thu, 28 Jun 2018 01:30:10 +0200 From: Laurent Vivier To: qemu-devel@nongnu.org Date: Thu, 28 Jun 2018 01:29:50 +0200 Message-Id: <20180627232951.14725-10-laurent@vivier.eu> X-Mailer: git-send-email 2.14.4 In-Reply-To: <20180627232951.14725-1-laurent@vivier.eu> References: <20180627232951.14725-1-laurent@vivier.eu> MIME-Version: 1.0 X-Provags-ID: V03:K1:3ZUJZhBU5CDADQAngPwU1BSO5t3We1uUlBdTJjQn+JCJ/tUCAPL MpEQt1+i1D4Wpq8xXRDHRdorUbKo51Zvp2otkZf6gEB/m+I3TsOdIPscePnGEjpBExqihQC Lu+Wz8yIoy/PswiPaAPuYbGYtSgS2Xufp4PHLwYjR9R8cbdIOsm9hATyE037XBCoWTuqdl3 bY7e3R+XPwdosuz3A76ig== X-UI-Out-Filterresults: notjunk:1; V01:K0:AJOn2GvUvUI=:/y8Sl+VuHUgxTmHE7cUkt0 lTw5rTPNvXX61y71dVeQWzNOu2mhE3sclfwaEwALId1EDxWdiLpiDolsudar3Gzk5XKNTKCGN Cz/sj0Kt1kExeEfGmpmiCBs4HHA+OrEYKwB81XJvFQkuhTPmHHp9u2ESYawEAzClRA3bdZRTh LtZVnQdA2T1CBcGgoJ0cVw5zCmchaGTdSthuqyqUqo4bjgzkBeapLgVg4NqeqEL0DhHWDrUh+ Ry/OJmpSxWH7dZDg6IF6uyOxp/t94tD0gl5fre/Iyu09uF3MYmk79c96P6McVPF27WnC4w2Ic X4JkXQpZShAXccYe0BS/lt58MUSV5vxvUCmhiMO7WXjeR6ArhZetOVA4a+oMt+7BAP6T1u5On 5DbY4NEuz5SCYT1YpWRKA9bVGPJLC1su2EWqmHaJRveJXnYdvZmdfKUc/ShmSyMkQwOjMdgY5 iaIAPVpsCe1xsZetqJ6NISBxas/f35KrJTOxlwAFT40wwdnWgbJq9AEwLftUh2xzcjbGw4JnA PmPYGOdFIlQEk4vla6fi5ZFDdYe+DsGCFRdtgTEMt1D4qAPv3tp+KPjKtO1hcW2H4uyrYUZgD VHMGugWYPbydiHHcUwJptzB5LbxPsNz4mNKcad7ZuQhoy8cM39bKUhtKQyQgey2ZpK3XOFR2D HeVTc3SR5lgx7dLrhW3aS8dAKUYhw23g5QFZpx0JPCYLr7EVVzTK/D5pNqzL33+PufmCcTZxi 8VJrtNgmddhSNbUP X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] [fuzzy] X-Received-From: 212.227.126.130 Subject: [Qemu-devel] [RFC v3 09/10] dp8393x: manage big endian bus 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: , Cc: Kevin Wolf , Fam Zheng , qemu-block@nongnu.org, Jason Wang , Mark Cave-Ayland , "Dr. David Alan Gilbert" , Laurent Vivier , =?utf-8?q?Herv=C3=A9_Poussineau?= , Gerd Hoffmann , Paolo Bonzini , Max Reitz , Yongbok Kim , =?utf-8?q?Andreas_F=C3=A4rber?= , Aurelien Jarno Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: "Qemu-devel" This is needed by Quadra 800, this card can run on little-endian or big-endian bus. Signed-off-by: Laurent Vivier Tested-by: Hervé Poussineau --- hw/net/dp8393x.c | 88 ++++++++++++++++++++++++++++++++++++-------------------- 1 file changed, 57 insertions(+), 31 deletions(-) diff --git a/hw/net/dp8393x.c b/hw/net/dp8393x.c index f2d2ce344c..62adff9ba3 100644 --- a/hw/net/dp8393x.c +++ b/hw/net/dp8393x.c @@ -150,6 +150,7 @@ typedef struct dp8393xState { /* Hardware */ uint8_t it_shift; + bool big_endian; qemu_irq irq; #ifdef DEBUG_SONIC int irq_level; @@ -220,6 +221,29 @@ static uint32_t dp8393x_wt(dp8393xState *s) return s->regs[SONIC_WT1] << 16 | s->regs[SONIC_WT0]; } +static uint16_t dp8393x_get(dp8393xState *s, int width, uint16_t *base, + int offset) +{ + uint16_t val; + + if (s->big_endian) { + val = be16_to_cpu(base[offset * width + width - 1]); + } else { + val = le16_to_cpu(base[offset * width]); + } + return val; +} + +static void dp8393x_put(dp8393xState *s, int width, uint16_t *base, int offset, + uint16_t val) +{ + if (s->big_endian) { + base[offset * width + width - 1] = cpu_to_be16(val); + } else { + base[offset * width] = cpu_to_le16(val); + } +} + static void dp8393x_update_irq(dp8393xState *s) { int level = (s->regs[SONIC_IMR] & s->regs[SONIC_ISR]) ? 1 : 0; @@ -251,12 +275,12 @@ static void dp8393x_do_load_cam(dp8393xState *s) /* Fill current entry */ address_space_rw(&s->as, dp8393x_cdp(s), MEMTXATTRS_UNSPECIFIED, (uint8_t *)data, size, 0); - s->cam[index][0] = data[1 * width] & 0xff; - s->cam[index][1] = data[1 * width] >> 8; - s->cam[index][2] = data[2 * width] & 0xff; - s->cam[index][3] = data[2 * width] >> 8; - s->cam[index][4] = data[3 * width] & 0xff; - s->cam[index][5] = data[3 * width] >> 8; + s->cam[index][0] = dp8393x_get(s, width, data, 1) & 0xff; + s->cam[index][1] = dp8393x_get(s, width, data, 1) >> 8; + s->cam[index][2] = dp8393x_get(s, width, data, 2) & 0xff; + s->cam[index][3] = dp8393x_get(s, width, data, 2) >> 8; + s->cam[index][4] = dp8393x_get(s, width, data, 3) & 0xff; + s->cam[index][5] = dp8393x_get(s, width, data, 3) >> 8; DPRINTF("load cam[%d] with %02x%02x%02x%02x%02x%02x\n", index, s->cam[index][0], s->cam[index][1], s->cam[index][2], s->cam[index][3], s->cam[index][4], s->cam[index][5]); @@ -269,7 +293,7 @@ static void dp8393x_do_load_cam(dp8393xState *s) /* Read CAM enable */ address_space_rw(&s->as, dp8393x_cdp(s), MEMTXATTRS_UNSPECIFIED, (uint8_t *)data, size, 0); - s->regs[SONIC_CE] = data[0 * width]; + s->regs[SONIC_CE] = dp8393x_get(s, width, data, 0); DPRINTF("load cam done. cam enable mask 0x%04x\n", s->regs[SONIC_CE]); /* Done */ @@ -290,10 +314,10 @@ static void dp8393x_do_read_rra(dp8393xState *s) MEMTXATTRS_UNSPECIFIED, (uint8_t *)data, size, 0); /* Update SONIC registers */ - s->regs[SONIC_CRBA0] = data[0 * width]; - s->regs[SONIC_CRBA1] = data[1 * width]; - s->regs[SONIC_RBWC0] = data[2 * width]; - s->regs[SONIC_RBWC1] = data[3 * width]; + s->regs[SONIC_CRBA0] = dp8393x_get(s, width, data, 0); + s->regs[SONIC_CRBA1] = dp8393x_get(s, width, data, 1); + s->regs[SONIC_RBWC0] = dp8393x_get(s, width, data, 2); + s->regs[SONIC_RBWC1] = dp8393x_get(s, width, data, 3); DPRINTF("CRBA0/1: 0x%04x/0x%04x, RBWC0/1: 0x%04x/0x%04x\n", s->regs[SONIC_CRBA0], s->regs[SONIC_CRBA1], s->regs[SONIC_RBWC0], s->regs[SONIC_RBWC1]); @@ -408,12 +432,12 @@ static void dp8393x_do_transmit_packets(dp8393xState *s) tx_len = 0; /* Update registers */ - s->regs[SONIC_TCR] = data[0 * width] & 0xf000; - s->regs[SONIC_TPS] = data[1 * width]; - s->regs[SONIC_TFC] = data[2 * width]; - s->regs[SONIC_TSA0] = data[3 * width]; - s->regs[SONIC_TSA1] = data[4 * width]; - s->regs[SONIC_TFS] = data[5 * width]; + s->regs[SONIC_TCR] = dp8393x_get(s, width, data, 0) & 0xf000; + s->regs[SONIC_TPS] = dp8393x_get(s, width, data, 1); + s->regs[SONIC_TFC] = dp8393x_get(s, width, data, 2); + s->regs[SONIC_TSA0] = dp8393x_get(s, width, data, 3); + s->regs[SONIC_TSA1] = dp8393x_get(s, width, data, 4); + s->regs[SONIC_TFS] = dp8393x_get(s, width, data, 5); /* Handle programmable interrupt */ if (s->regs[SONIC_TCR] & SONIC_TCR_PINT) { @@ -439,9 +463,9 @@ static void dp8393x_do_transmit_packets(dp8393xState *s) address_space_rw(&s->as, dp8393x_ttda(s) + sizeof(uint16_t) * (4 + 3 * i) * width, MEMTXATTRS_UNSPECIFIED, (uint8_t *)data, size, 0); - s->regs[SONIC_TSA0] = data[0 * width]; - s->regs[SONIC_TSA1] = data[1 * width]; - s->regs[SONIC_TFS] = data[2 * width]; + s->regs[SONIC_TSA0] = dp8393x_get(s, width, data, 0); + s->regs[SONIC_TSA1] = dp8393x_get(s, width, data, 1); + s->regs[SONIC_TFS] = dp8393x_get(s, width, data, 2); } } @@ -468,7 +492,8 @@ static void dp8393x_do_transmit_packets(dp8393xState *s) s->regs[SONIC_TCR] |= SONIC_TCR_PTX; /* Write status */ - data[0 * width] = s->regs[SONIC_TCR] & 0x0fff; /* status */ + dp8393x_put(s, width, data, 0, + s->regs[SONIC_TCR] & 0x0fff); /* status */ size = sizeof(uint16_t) * width; address_space_rw(&s->as, dp8393x_ttda(s), @@ -482,8 +507,8 @@ static void dp8393x_do_transmit_packets(dp8393xState *s) sizeof(uint16_t) * (4 + 3 * s->regs[SONIC_TFC]) * width, MEMTXATTRS_UNSPECIFIED, (uint8_t *)data, size, 0); - s->regs[SONIC_CTDA] = data[0 * width] & ~0x1; - if (data[0 * width] & 0x1) { + s->regs[SONIC_CTDA] = dp8393x_get(s, width, data, 0) & ~0x1; + if (dp8393x_get(s, width, data, 0) & 0x1) { /* EOL detected */ break; } @@ -746,7 +771,7 @@ static ssize_t dp8393x_receive(NetClientState *nc, const uint8_t * buf, address = dp8393x_crda(s) + sizeof(uint16_t) * 5 * width; address_space_rw(&s->as, address, MEMTXATTRS_UNSPECIFIED, (uint8_t *)data, size, 0); - if (data[0 * width] & 0x1) { + if (dp8393x_get(s, width, data, 0) & 0x1) { /* Still EOL ; stop reception */ return -1; } else { @@ -790,11 +815,11 @@ static ssize_t dp8393x_receive(NetClientState *nc, const uint8_t * buf, /* Write status to memory */ DPRINTF("Write status at %08x\n", dp8393x_crda(s)); - data[0 * width] = s->regs[SONIC_RCR]; /* status */ - data[1 * width] = rx_len; /* byte count */ - data[2 * width] = s->regs[SONIC_TRBA0]; /* pkt_ptr0 */ - data[3 * width] = s->regs[SONIC_TRBA1]; /* pkt_ptr1 */ - data[4 * width] = s->regs[SONIC_RSC]; /* seq_no */ + dp8393x_put(s, width, data, 0, s->regs[SONIC_RCR]); /* status */ + dp8393x_put(s, width, data, 1, rx_len); /* byte count */ + dp8393x_put(s, width, data, 2, s->regs[SONIC_TRBA0]); /* pkt_ptr0 */ + dp8393x_put(s, width, data, 3, s->regs[SONIC_TRBA1]); /* pkt_ptr1 */ + dp8393x_put(s, width, data, 4, s->regs[SONIC_RSC]); /* seq_no */ size = sizeof(uint16_t) * 5 * width; address_space_rw(&s->as, dp8393x_crda(s), MEMTXATTRS_UNSPECIFIED, (uint8_t *)data, size, 1); @@ -803,12 +828,12 @@ static ssize_t dp8393x_receive(NetClientState *nc, const uint8_t * buf, size = sizeof(uint16_t) * width; address_space_rw(&s->as, dp8393x_crda(s) + sizeof(uint16_t) * 5 * width, MEMTXATTRS_UNSPECIFIED, (uint8_t *)data, size, 0); - s->regs[SONIC_LLFA] = data[0 * width]; + s->regs[SONIC_LLFA] = dp8393x_get(s, width, data, 0); if (s->regs[SONIC_LLFA] & 0x1) { /* EOL detected */ s->regs[SONIC_ISR] |= SONIC_ISR_RDE; } else { - data[0 * width] = 0; /* in_use */ + dp8393x_put(s, width, data, 0, 0); /* in_use */ address_space_rw(&s->as, dp8393x_crda(s) + sizeof(uint16_t) * 6 * width, MEMTXATTRS_UNSPECIFIED, (uint8_t *)data, sizeof(uint16_t), 1); s->regs[SONIC_CRDA] = s->regs[SONIC_LLFA]; @@ -921,6 +946,7 @@ static Property dp8393x_properties[] = { DEFINE_NIC_PROPERTIES(dp8393xState, conf), DEFINE_PROP_PTR("dma_mr", dp8393xState, dma_mr), DEFINE_PROP_UINT8("it_shift", dp8393xState, it_shift, 0), + DEFINE_PROP_BOOL("big_endian", dp8393xState, big_endian, false), DEFINE_PROP_END_OF_LIST(), };