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[59.124.168.89]) by smtp.gmail.com with ESMTPSA id d2e1a72fcca58-70ead6e1a4bsm2002128b3a.5.2024.07.25.22.59.46 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 25 Jul 2024 22:59:47 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=sifive.com; s=google; t=1721973588; x=1722578388; darn=nongnu.org; h=references:in-reply-to:message-id:date:subject:cc:to:from:from:to :cc:subject:date:message-id:reply-to; bh=bCYAojS36KJlYYD+6PO9pHqhAb0FjLUF0zDaVffQqIA=; b=IWDaH9OxKT8XrXEC/3A1D+xVqz5gwCyiLB/l4TLXVGSafJukdXvAOwf5WMiGTPyMMm I88x/1xV2+2dQBXEfxTu1n3l4duan+1APz8X2R5S17jT4LZVUj5MWAtwPbfLT7789a66 kOVTUyu69GyYehr0SuwwF4Ly4tn2RjIwB3oszufAqvF2njQLDWrbb/JdWBf7NwqfFYtI YgKPrZZTm+9flCPefp5r/Nb1JJET/okrvfXYuCOTVJH9BTCrWVLJEQ7yrM5P1OcRbgGb qfPzyCIR/YW+8rDrMJfpb92tVjROAg7dMjAMHYMvur09SIFxMX8zircbFptA8+dDsWy7 zF6w== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1721973588; x=1722578388; h=references:in-reply-to:message-id:date:subject:cc:to:from :x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=bCYAojS36KJlYYD+6PO9pHqhAb0FjLUF0zDaVffQqIA=; b=hQARX+elRRjPhF0zyBCcPTyVaugNovqLRCuGx5cc4olhzzXqeiK1sKkC8CxF+v+Vts MiIRFt5oOcNwj+3jQV2VPBUmh9+ENCagvdZ1cz6VB0DW3lQnRnrMA2fnuElWnl+37UsE jREKC4Km30d5wjY6W5sP2kctbnVV+TvSqUJcqFi5eVAx5F1eW7gMkwA1hOJBjFsL0JbT 1E0gkS2KePlbNCN8dH9qtvHtBh+JhhO6ncxKtNuz9YgTQ4fs6mrb5XjFjP2R5csOQG/T XpHOmw6DqLfGH7oPfu+O5gnu7e1BqoJnqVS8ZHDKvn+HO3e3BtBGjcy9jXZJq9SfY9Kj aN1g== X-Gm-Message-State: AOJu0YxEObwJTQGLtWwMXhv8cEZqN4dwvaqwTjldMIUHrg/ho83tIozB F/BN6ChUGIPBqyCcv6VOk1iBu2hI+PLqE0WriaAK+xJKWFxEGFqOlFdShOJPTzaAQwhCH8ui00t 3/IAGm9ENeE4WhfBcF+aJnPSaoiO7+gD6TmGXupwIuTo0FlKEOeBWBwRwPKUYSxDgY7YGwrV3Bz qruh+S9ZmAb/OmjhLUBaKHT1wsFfdul46WNQ== X-Google-Smtp-Source: AGHT+IGA+W8v+q+SNgfOFlbxcuLWDfW5ML3c2jghfHnFeE7EfcANpvVS4STE9xOQiYM0xHNhWGFJBw== X-Received: by 2002:a05:6a20:4322:b0:1c3:b1d1:db6 with SMTP id adf61e73a8af0-1c463693d39mr14118160637.10.1721973588177; Thu, 25 Jul 2024 22:59:48 -0700 (PDT) From: Jim Shu To: qemu-devel@nongnu.org Cc: "Edgar E. Iglesias" , Alistair Francis , Peter Maydell , Jason Wang , qemu-arm@nongnu.org (open list:Xilinx Zynq), Jim Shu Subject: [PATCH 3/4] hw/dma: xilinx_axidma: Reset qemu_irq when DMA/Stream is reset Date: Fri, 26 Jul 2024 13:59:32 +0800 Message-Id: <20240726055933.817-4-jim.shu@sifive.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20240726055933.817-1-jim.shu@sifive.com> References: <20240726055933.817-1-jim.shu@sifive.com> 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::42f; envelope-from=jim.shu@sifive.com; helo=mail-pf1-x42f.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=unavailable 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 @sifive.com) X-ZM-MESSAGEID: 1721973675595116600 Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Current DMA/Stream reset will clear interrupt pending bit of DMA device. The qemu_irq of device should be updated at the same time. Signed-off-by: Jim Shu --- hw/dma/xilinx_axidma.c | 25 +++++++++++++------------ 1 file changed, 13 insertions(+), 12 deletions(-) diff --git a/hw/dma/xilinx_axidma.c b/hw/dma/xilinx_axidma.c index 728246f925..beb3fbf1d5 100644 --- a/hw/dma/xilinx_axidma.c +++ b/hw/dma/xilinx_axidma.c @@ -177,11 +177,24 @@ static inline int stream_halted(struct Stream *s) return !!(s->regs[R_DMASR] & DMASR_HALTED); } =20 +static void stream_update_irq(struct Stream *s) +{ + unsigned int pending, mask, irq; + + pending =3D s->regs[R_DMASR] & DMASR_IRQ_MASK; + mask =3D s->regs[R_DMACR] & DMASR_IRQ_MASK; + + irq =3D pending & mask; + + qemu_set_irq(s->irq, !!irq); +} + static void stream_reset(struct Stream *s) { s->regs[R_DMASR] =3D DMASR_HALTED; /* starts up halted. */ s->regs[R_DMACR] =3D 1 << 16; /* Starts with one in compl threshold. = */ s->sof =3D true; + stream_update_irq(s); /* Clear interrupt */ } =20 /* Map an offset addr into a channel index. */ @@ -249,18 +262,6 @@ static MemTxResult stream_desc_store(struct Stream *s,= hwaddr addr) return result; } =20 -static void stream_update_irq(struct Stream *s) -{ - unsigned int pending, mask, irq; - - pending =3D s->regs[R_DMASR] & DMASR_IRQ_MASK; - mask =3D s->regs[R_DMACR] & DMASR_IRQ_MASK; - - irq =3D pending & mask; - - qemu_set_irq(s->irq, !!irq); -} - static void stream_reload_complete_cnt(struct Stream *s) { unsigned int comp_th; --=20 2.17.1