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[144.168.56.201]) by smtp.gmail.com with ESMTPSA id g2sm7174467pfo.154.2021.08.31.20.27.40 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 31 Aug 2021 20:27:42 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=KiJerEA0l1Mswg17/MFGeGT8EJtomWZFVBztll3kflk=; b=pdsvOHX2UrI1MoHztGRzHzXaam97w2oIj91hi6pcSmFZOXEQURK8X12nvBOAJn7kOG haXxcA9nBHgVgz/u1b3OfAeHjO1r07X+bU7TioEMRS8DXLkPTC0QoIQvWEJW95/4YXzy MbpnVNh0DcZANvqMO2Nxx5yHlTl5s31W3hbjNmAXZyqJgGSJb6nDT/3PNCF4ZkroUn9I El/bE8aw5vy4tkFLtmUzVwJoiRoL7CXH95/nDtj0jyaOssckwDXx+Bs2S3HCjAKkt02p zt0I6fnoO9rMnufmU0C8IIrwDcu3VXEeM+Z+OygGOY/hcDf9ZjzNBuH1gQ8ODTujwqaw thFQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=KiJerEA0l1Mswg17/MFGeGT8EJtomWZFVBztll3kflk=; b=l18g+e+U05Ec95fukuO+A8qQ4w5lB3qsvaJYfCk4be87twIdFfsk9xYXehU40ME50C ZkLUFcQt1kUwGV7IGOCqSAXxa9DE/0qhv6WGMGsgbfkD8h/v+C01o1GE+MzsS0eSUB3q CmRrm4K8OQrhN62wUPjh3cg7R6VCrNhF5FU9/DDIzx+3fMVmQ19fOG/zd2qdLIFeASEA +cpX/wNuTxiM6g+k+rU2BcctVARp1bEUr48ncTQtPsLB1MeOOK5cOvZ0naFUJTnieH8P 5/22AorHaAMesfMStNTsgpzerEJx4ooB6ujViPKZ6TBF/DikawqmLLF1TpecXMQZah/e lA4w== X-Gm-Message-State: AOAM530srTzz0arPx0oc4PPyYigrP5yCTRBBI2FbZZC23ff2ipCHYKwr suFueb2YZ31FfIbmJlzLhS8= X-Google-Smtp-Source: ABdhPJyRW2DfrMV2KM/myM3MukBjJaBnMoTalyChiTdXHVyyAMcN3Ak0dHzYIBV678/SecJ6KGextQ== X-Received: by 2002:a63:f913:: with SMTP id h19mr29449356pgi.351.1630466863081; Tue, 31 Aug 2021 20:27:43 -0700 (PDT) From: Bin Meng To: Damien Hedde , "Edgar E . Iglesias" , Alistair Francis , Peter Maydell , =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= Subject: [PATCH v2 4/5] hw/char: cadence_uart: Convert to memop_with_attrs() ops Date: Wed, 1 Sep 2021 11:27:23 +0800 Message-Id: <20210901032724.23256-5-bmeng.cn@gmail.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20210901032724.23256-1-bmeng.cn@gmail.com> References: <20210901032724.23256-1-bmeng.cn@gmail.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=2607:f8b0:4864:20::431; envelope-from=bmeng.cn@gmail.com; helo=mail-pf1-x431.google.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, FREEMAIL_FROM=0.001, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: qemu-arm@nongnu.org, qemu-devel@nongnu.org Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: fail (Header signature does not verify) X-ZM-MESSAGEID: 1630467075459100001 Content-Type: text/plain; charset="utf-8" This converts uart_read() and uart_write() to memop_with_attrs() ops. Signed-off-by: Bin Meng Reviewed-by: Alistair Francis --- Changes in v2: - new patch: hw/char: cadence_uart: Convert to memop_with_attrs() ops hw/char/cadence_uart.c | 26 +++++++++++++++----------- 1 file changed, 15 insertions(+), 11 deletions(-) diff --git a/hw/char/cadence_uart.c b/hw/char/cadence_uart.c index fff8be3619..8bcf2b718a 100644 --- a/hw/char/cadence_uart.c +++ b/hw/char/cadence_uart.c @@ -411,15 +411,15 @@ static void uart_read_rx_fifo(CadenceUARTState *s, ui= nt32_t *c) uart_update_status(s); } =20 -static void uart_write(void *opaque, hwaddr offset, - uint64_t value, unsigned size) +static MemTxResult uart_write(void *opaque, hwaddr offset, + uint64_t value, unsigned size, MemTxAttrs at= trs) { CadenceUARTState *s =3D opaque; =20 DB_PRINT(" offset:%x data:%08x\n", (unsigned)offset, (unsigned)value); offset >>=3D 2; if (offset >=3D CADENCE_UART_R_MAX) { - return; + return MEMTX_DECODE_ERROR; } switch (offset) { case R_IER: /* ier (wts imr) */ @@ -466,30 +466,34 @@ static void uart_write(void *opaque, hwaddr offset, break; } uart_update_status(s); + + return MEMTX_OK; } =20 -static uint64_t uart_read(void *opaque, hwaddr offset, - unsigned size) +static MemTxResult uart_read(void *opaque, hwaddr offset, + uint64_t *value, unsigned size, MemTxAttrs at= trs) { CadenceUARTState *s =3D opaque; uint32_t c =3D 0; =20 offset >>=3D 2; if (offset >=3D CADENCE_UART_R_MAX) { - c =3D 0; - } else if (offset =3D=3D R_TX_RX) { + return MEMTX_DECODE_ERROR; + } + if (offset =3D=3D R_TX_RX) { uart_read_rx_fifo(s, &c); } else { - c =3D s->r[offset]; + c =3D s->r[offset]; } =20 DB_PRINT(" offset:%x data:%08x\n", (unsigned)(offset << 2), (unsigned)= c); - return c; + *value =3D c; + return MEMTX_OK; } =20 static const MemoryRegionOps uart_ops =3D { - .read =3D uart_read, - .write =3D uart_write, + .read_with_attrs =3D uart_read, + .write_with_attrs =3D uart_write, .endianness =3D DEVICE_NATIVE_ENDIAN, }; =20 --=20 2.25.1