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[81.2.115.148]) by smtp.gmail.com with ESMTPSA id f187sm25163765wme.9.2020.04.06.03.12.14 for (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 06 Apr 2020 03:12:15 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=from:to:subject:date:message-id:in-reply-to:references:mime-version :content-transfer-encoding; bh=WGk0JhktO1LmmcqBkiisXztczdE5FcLoayAA+KbaRqU=; b=n8489t6rTifoqv28F8kszo5RbV9peFZKJIrT25zK1vQqjDEtBLdVtxKYejSPD9wLBh xj406121Sc7/0tld8CNUAK0ikZDa8ppHGyCKxANbbF/vB+xwXqLL1DOuHW/EunWF+Qyv rufRmkqkNZAOwY7y9T+j0f5jnZazptvd2rmhm4MC4sRqfQrwmgYCZpASUU6dfgjmCTNR NNKVrcIcPBt+8RXyz5O48upjTBp5OUjY//HxXmJNaGayDWFilvgZjY77L/3mn0XvfKaN yombsRFyj8Mv+UbDGmv26gGX/tqS4qPopO2xndyiC7DodC02V+SQZOPU+bKBsFAU8ooW B8cA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=WGk0JhktO1LmmcqBkiisXztczdE5FcLoayAA+KbaRqU=; b=MDCuPGGdBppVRhobn1jVB8I4KO54EOebpZqmqXUWurnfNnnRGvPvRQmYSukp5qN56x 1QfZlcRacuLNxdySeK0JWtPIExbilxLF8zgYvXnw4IWEBoGMwS93UM3SUIpBSxPHK+Yd bDU/eafcbJbQygDKATBRDIFpLW+r9b/ThnLuDumEhiI/sFLk5uOHGQuMv39pphu9XzWI eZRxyUDMWWrqVyA6vTVPBTyjlHPGc31J+QHBZ55etYFuAmp+KUThpUK+yFgvAOi1fvsd 4aIf9NHldGGL/ApB4tkK5AOM0DaWD8W4JUclhSPU92VpBcpTks9JABbsNCP166xWLUXs Lx2Q== X-Gm-Message-State: AGi0PuZ0KyZHM1CQ/6hrF4p++cQvl0h8EkUjzlDCJdkz37UWW9mMLrtl craXUAplNaz8pvIprK5s5wQ4fLUvuPifkg== X-Google-Smtp-Source: APiQypJtKD7/UgTCW48KV5cm05PB3xgGmMb5c91KpttFcWGtDPkONKf/92wkOKL8EsJb12KyWCTiLA== X-Received: by 2002:a1c:6605:: with SMTP id a5mr21961062wmc.32.1586167935642; Mon, 06 Apr 2020 03:12:15 -0700 (PDT) From: Peter Maydell To: qemu-devel@nongnu.org Subject: [PULL 08/11] dma/xlnx-zdma: Populate DBG0.CMN_BUF_FREE Date: Mon, 6 Apr 2020 11:12:02 +0100 Message-Id: <20200406101205.23027-9-peter.maydell@linaro.org> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20200406101205.23027-1-peter.maydell@linaro.org> References: <20200406101205.23027-1-peter.maydell@linaro.org> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-detected-operating-system: by eggs.gnu.org: Genre and OS details not recognized. X-Received-From: 2a00:1450:4864:20::336 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: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: pass (identity @linaro.org) Content-Type: text/plain; charset="utf-8" From: "Edgar E. Iglesias" Populate DBG0.CMN_BUF_FREE so that SW can see some free space. Signed-off-by: Edgar E. Iglesias Reviewed-by: Alistair Francis Reviewed-by: Francisco Iglesias Message-id: 20200402134721.27863-3-edgar.iglesias@gmail.com Signed-off-by: Peter Maydell --- hw/dma/xlnx-zdma.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/hw/dma/xlnx-zdma.c b/hw/dma/xlnx-zdma.c index a6c5b2304a8..6a4699757af 100644 --- a/hw/dma/xlnx-zdma.c +++ b/hw/dma/xlnx-zdma.c @@ -680,6 +680,12 @@ static RegisterAccessInfo zdma_regs_info[] =3D { },{ .name =3D "ZDMA_CH_DBG0", .addr =3D A_ZDMA_CH_DBG0, .rsvd =3D 0xfffffe00, .ro =3D 0x1ff, + + /* + * There's SW out there that will check the debug regs for free sp= ace. + * Claim that we always have 0x100 free. + */ + .reset =3D 0x100 },{ .name =3D "ZDMA_CH_DBG1", .addr =3D A_ZDMA_CH_DBG1, .rsvd =3D 0xfffffe00, .ro =3D 0x1ff, --=20 2.20.1