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[213.67.3.247]) by smtp.gmail.com with ESMTPSA id 2adb3069b0e04-53d826a9c2csm2205674e87.171.2024.11.13.07.28.15 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 13 Nov 2024 07:28:16 -0800 (PST) Date: Wed, 13 Nov 2024 16:28:15 +0100 From: "Edgar E. Iglesias" To: Philippe =?iso-8859-1?Q?Mathieu-Daud=E9?= Cc: qemu-devel@nongnu.org, Richard Henderson , Peter Maydell , Anton Johansson , Jason Wang , qemu-arm@nongnu.org, =?iso-8859-1?Q?Marc-Andr=E9?= Lureau , Thomas Huth , Alistair Francis , Paolo Bonzini , Gustavo Romero Subject: Re: [PATCH 13/20] hw/net/xilinx_ethlite: Access TX_LEN register for each port Message-ID: References: <20241112181044.92193-1-philmd@linaro.org> <20241112181044.92193-14-philmd@linaro.org> MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <20241112181044.92193-14-philmd@linaro.org> User-Agent: Mutt/2.2.12 (2023-09-09) Received-SPF: pass client-ip=2a00:1450:4864:20::135; envelope-from=edgar.iglesias@gmail.com; helo=mail-lf1-x135.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-arm@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-arm-bounces+alex.bennee=linaro.org@nongnu.org Sender: qemu-arm-bounces+alex.bennee=linaro.org@nongnu.org X-TUID: J4pVeH/NhSWV On Tue, Nov 12, 2024 at 07:10:37PM +0100, Philippe Mathieu-Daudé wrote: > Rather than accessing the registers within the mixed RAM/MMIO > region as indexed register, declare a per-port TX_LEN. This > will help to map the RAM as RAM (keeping MMIO as MMIO) in few > commits. > > Previous s->regs[R_TX_LEN0] and s->regs[R_TX_LEN1] are now > unused. Not a concern, this array will soon disappear. Reviewed-by: Edgar E. Iglesias > > Signed-off-by: Philippe Mathieu-Daudé > --- > hw/net/xilinx_ethlite.c | 8 ++++++-- > 1 file changed, 6 insertions(+), 2 deletions(-) > > diff --git a/hw/net/xilinx_ethlite.c b/hw/net/xilinx_ethlite.c > index 4cb4781e70..1a3b295b4b 100644 > --- a/hw/net/xilinx_ethlite.c > +++ b/hw/net/xilinx_ethlite.c > @@ -62,6 +62,7 @@ > typedef struct XlnxXpsEthLitePort > { > struct { > + uint32_t tx_len; > uint32_t tx_gie; > > uint32_t rx_ctrl; > @@ -133,6 +134,9 @@ eth_read(void *opaque, hwaddr addr, unsigned int size) > > case R_TX_LEN0: > case R_TX_LEN1: > + r = s->port[port_index].reg.tx_len; > + break; > + > case R_TX_CTRL1: > case R_TX_CTRL0: > r = s->regs[addr]; > @@ -169,7 +173,7 @@ eth_write(void *opaque, hwaddr addr, > if ((value & (CTRL_P | CTRL_S)) == CTRL_S) { > qemu_send_packet(qemu_get_queue(s->nic), > txbuf_ptr(s, port_index), > - s->regs[base + R_TX_LEN0]); > + s->port[port_index].reg.tx_len); > if (s->regs[base + R_TX_CTRL0] & CTRL_I) > eth_pulse_irq(s); > } else if ((value & (CTRL_P | CTRL_S)) == (CTRL_P | CTRL_S)) { > @@ -194,7 +198,7 @@ eth_write(void *opaque, hwaddr addr, > > case R_TX_LEN0: > case R_TX_LEN1: > - s->regs[addr] = value; > + s->port[port_index].reg.tx_len = value; > break; > > case R_TX_GIE0: > -- > 2.45.2 >