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Iglesias" , qemu-arm@nongnu.org, Richard Henderson , Thomas Huth , Anton Johansson , Bernhard Beschow , Alistair Francis , Paolo Bonzini , Gustavo Romero , =?UTF-8?q?Marc-Andr=C3=A9=20Lureau?= , Peter Maydell , Jason Wang , =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= , "Edgar E . Iglesias" Subject: [PATCH RESEND v2 12/19] hw/net/xilinx_ethlite: Access TX_CTRL register for each port Date: Thu, 14 Nov 2024 22:00:03 +0100 Message-ID: <20241114210010.34502-13-philmd@linaro.org> X-Mailer: git-send-email 2.45.2 In-Reply-To: <20241114210010.34502-1-philmd@linaro.org> References: <20241114210010.34502-1-philmd@linaro.org> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" 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=2a00:1450:4864:20::434; envelope-from=philmd@linaro.org; helo=mail-wr1-x434.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, 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: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @linaro.org) X-ZM-MESSAGEID: 1731618336144116600 Rather than accessing the registers within the mixed RAM/MMIO region as indexed register, declare a per-port TX_CTRL. This will help to map the RAM as RAM (keeping MMIO as MMIO) in few commits. Previous s->regs[R_TX_CTRL0] and s->regs[R_TX_CTRL1] are now unused. Not a concern, this array will soon disappear. Signed-off-by: Philippe Mathieu-Daud=C3=A9 Reviewed-by: Edgar E. Iglesias --- hw/net/xilinx_ethlite.c | 15 +++++++-------- 1 file changed, 7 insertions(+), 8 deletions(-) diff --git a/hw/net/xilinx_ethlite.c b/hw/net/xilinx_ethlite.c index 06da940303..674f805d76 100644 --- a/hw/net/xilinx_ethlite.c +++ b/hw/net/xilinx_ethlite.c @@ -65,6 +65,7 @@ typedef struct XlnxXpsEthLitePort struct { uint32_t tx_len; uint32_t tx_gie; + uint32_t tx_ctrl; =20 uint32_t rx_ctrl; } reg; @@ -140,7 +141,7 @@ eth_read(void *opaque, hwaddr addr, unsigned int size) =20 case R_TX_CTRL1: case R_TX_CTRL0: - r =3D s->regs[addr]; + r =3D s->port[port_index].reg.tx_ctrl; break; =20 case R_RX_CTRL1: @@ -161,7 +162,6 @@ eth_write(void *opaque, hwaddr addr, { XlnxXpsEthLite *s =3D opaque; unsigned int port_index =3D addr_to_port_index(addr); - unsigned int base =3D 0; uint32_t value =3D val64; =20 addr >>=3D 2; @@ -169,24 +169,23 @@ eth_write(void *opaque, hwaddr addr, { case R_TX_CTRL0: case R_TX_CTRL1: - if (addr =3D=3D R_TX_CTRL1) - base =3D 0x800 / 4; - if ((value & (CTRL_P | CTRL_S)) =3D=3D CTRL_S) { qemu_send_packet(qemu_get_queue(s->nic), txbuf_ptr(s, port_index), s->port[port_index].reg.tx_len); - if (s->regs[base + R_TX_CTRL0] & CTRL_I) + if (s->port[port_index].reg.tx_ctrl & CTRL_I) { eth_pulse_irq(s); + } } else if ((value & (CTRL_P | CTRL_S)) =3D=3D (CTRL_P | CTRL_S= )) { memcpy(&s->conf.macaddr.a[0], txbuf_ptr(s, port_index), 6); - if (s->regs[base + R_TX_CTRL0] & CTRL_I) + if (s->port[port_index].reg.tx_ctrl & CTRL_I) { eth_pulse_irq(s); + } } =20 /* We are fast and get ready pretty much immediately so we actually never flip the S nor P bits to one. */ - s->regs[addr] =3D value & ~(CTRL_P | CTRL_S); + s->port[port_index].reg.tx_ctrl =3D value & ~(CTRL_P | CTRL_S); break; =20 /* Keep these native. */ --=20 2.45.2