From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 45B06C3DA4A for ; Sat, 3 Aug 2024 09:34:34 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1saB8z-0005By-H2; Sat, 03 Aug 2024 05:33:45 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1saB8x-0005BN-Oq for qemu-devel@nongnu.org; Sat, 03 Aug 2024 05:33:43 -0400 Received: from mail-pl1-x630.google.com ([2607:f8b0:4864:20::630]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1saB8w-0001Je-2U for qemu-devel@nongnu.org; Sat, 03 Aug 2024 05:33:43 -0400 Received: by mail-pl1-x630.google.com with SMTP id d9443c01a7336-1fd69e44596so29300115ad.1 for ; Sat, 03 Aug 2024 02:33:41 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; t=1722677620; x=1723282420; darn=nongnu.org; h=content-transfer-encoding:in-reply-to:from:content-language :references:cc:to:subject:user-agent:mime-version:date:message-id :from:to:cc:subject:date:message-id:reply-to; bh=DtSe1LGY1zs26bYsLaiYqbZlc6MwT/mSuOTWJzgck20=; b=JyxcUbNBK2LDA0Lda9lRZQPxZVhzoFZ7vUAHHn8+xAyVF2N9LREeA7+VrXs+2ZtUeO VSOyTjOJpc3MCoYx0PE/jsxvP1aJpD0fTprcn2CKN4/8iBDu3f/0bB0Yen0YoY7GW8La 8gan5pNNHsJPzpu3ASsESYZhXk771lwcn9iCSL4Wn8OwlolXbNDs/jkEdiZ5nkDIJNTk 0jgYkx2Z+ogmgLEYFdKP68rY+gLfB4FSZxK7iAn7aXob+GPPldjP4qOWURHrAQRaXgFS fXWkR7ICJuhFwJmOBYyYZQdRI0moX1npj6Jh5nVcDWVng2QbsbQTaKwAx/46PZ+WldMM nk1w== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1722677620; x=1723282420; h=content-transfer-encoding:in-reply-to:from:content-language :references:cc:to:subject:user-agent:mime-version:date:message-id :x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=DtSe1LGY1zs26bYsLaiYqbZlc6MwT/mSuOTWJzgck20=; b=rncruODqZfjsl47K7UkvgTfpbdqSYbqufTxaa4vEPj9/sVRW/W2ZNhgAaXiyHhR+TN rwVhWT3cdl/v8bl4+cM+vdrF0vW5+ve43P72zeiYdybf0zBtkkd2JWCsdFmEgExeFdIx O6cKZbXkSXX629mvt1NIVjF+vgjPZWw6ko/sSycoOMls121czwijczujE27lOMP3njLW aFrLiot3CIEoYh2vKOgRx+PDVE/u5ah3fNB/tOg4yHzn9HWhUCjNUcGMZhF+OFbWSY52 w/16ebV+V8Z+DZBFPbcFCpKTyPtdKUSHpvA3+QbSPk7dV5QRbze5j1om45gQdjBzdyJw mHCQ== X-Forwarded-Encrypted: i=1; AJvYcCWWPO9ZcCVMDy/MUgS7yy5GOmQXUptMT/AmTjUhrMjDCsE0pey3p8/9KLCbFNZPXc3FxJ5GWiBNDCQJFff9chFZWWkl/GE= X-Gm-Message-State: AOJu0YyfBZ+/fNlIM+GIVdBkow2BsbreoEvgnu8o46YjP2yG8wQKaQ/U QZsv0lgMxQ0AHvGvO6R1S4UETArYC+3eW8DXmKk3LGX4uLhOzGVeru0adVJxkZA= X-Google-Smtp-Source: AGHT+IFKBerlsDyk8trES6oZaVfbuiff2doNZFbbryLnUFcnRJnoy9Cz31TSrZ8Vf2XtEsBBPIkd1Q== X-Received: by 2002:a17:902:f650:b0:1fb:d07c:64cd with SMTP id d9443c01a7336-1ff52492003mr116342115ad.21.1722677620074; Sat, 03 Aug 2024 02:33:40 -0700 (PDT) Received: from [192.168.1.113] ([203.56.128.103]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-1ff5905e6b6sm30421745ad.140.2024.08.03.02.33.36 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Sat, 03 Aug 2024 02:33:39 -0700 (PDT) Message-ID: <720adf5e-0cd0-4b9c-b851-baa7d51c7e53@linaro.org> Date: Sat, 3 Aug 2024 19:33:31 +1000 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH 15/18] bsd-user: Implement RISC-V signal trampoline setup functions To: Warner Losh Cc: Ajeet Singh , qemu-devel@nongnu.org, Mark Corbin , Ajeet Singh References: <20240802083423.142365-1-itachis@FreeBSD.org> <20240802083423.142365-16-itachis@FreeBSD.org> Content-Language: en-US From: Richard Henderson In-Reply-To: Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit Received-SPF: pass client-ip=2607:f8b0:4864:20::630; envelope-from=richard.henderson@linaro.org; helo=mail-pl1-x630.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+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org On 8/3/24 10:04, Warner Losh wrote: > > +     regs->pc = ka->_sa_handler; > > +     regs->gpr[2] = frame_addr; > > +     regs->gpr[1] = TARGET_PS_STRINGS - TARGET_SZSIGCODE; > > xRA, xSP. > > > So to be clear, this is 'use these constants rather than the raw numbers for the array > subscripts' right? Exactly. r~