From patchwork Sat Sep 18 18:45:00 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Richard Henderson X-Patchwork-Id: 1529715 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@ozlabs.org Authentication-Results: ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=linaro.org header.i=@linaro.org header.a=rsa-sha256 header.s=google header.b=RsRs+0yN; dkim-atps=neutral Authentication-Results: ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=nongnu.org (client-ip=209.51.188.17; helo=lists.gnu.org; envelope-from=qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org; receiver=) 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 ozlabs.org (Postfix) with ESMTPS id 4HBgFc5Tw5z9sR4 for ; Sun, 19 Sep 2021 05:03:16 +1000 (AEST) Received: from localhost ([::1]:50066 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1mRfcI-0008RP-Hk for incoming@patchwork.ozlabs.org; Sat, 18 Sep 2021 15:03:14 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:54262) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1mRfLN-00054T-9S for qemu-devel@nongnu.org; Sat, 18 Sep 2021 14:45:45 -0400 Received: from mail-pg1-x529.google.com ([2607:f8b0:4864:20::529]:41481) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1mRfLK-0006o1-72 for qemu-devel@nongnu.org; Sat, 18 Sep 2021 14:45:44 -0400 Received: by mail-pg1-x529.google.com with SMTP id k24so13080993pgh.8 for ; Sat, 18 Sep 2021 11:45:41 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=Zyf5KeX485BwSvF4JRLk5yqw2oK9iCIE3vprdtELuiE=; b=RsRs+0yNifRZ4c6yWFcgL9LZADuCnd/1NcTJwpId3sEL1M9WnqO50gmTGmsAlubFs3 z4L3aXVu0sAclPfC30TFQSZYpEgQPmtOSteMAUffh4gSvOorMHtDI/VEhGFkE1AjXcUa HItjcXTKgWIHFRTEV+oifWPBsZGH1X+eipn4l+yE8Topq6aHiKHEf2jW119nUv/pDihi AYm86cj2Y79t8l1zv5IqP77wYzPgly9iM3grP0xV1YwI49XHcbPbRw5FzNkcaiMVjA03 ZrjnfoC7HnHsRdaZuswlSTmhxaY1XRwpJvFFJhiZ2pl7IzLKk5GHI6Uu4rFFxbYkilEg m+IQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=Zyf5KeX485BwSvF4JRLk5yqw2oK9iCIE3vprdtELuiE=; b=kpItU6m0lnNloXHRHmNPAr/0EeFsBo/Lf5P8NZmwAyBhmDR5TFX2D7CsXEbfw+tPRa xBo1PBrkfrL3htA3m339GB5AnQzxASxd1fDZjaNPqrN8ETVGp2uz0NMrjcqgB1OHAPPH Mk5DSiVeHPu2xRMP30TFjEPwPgFub/yA0BdStDg5Axc/bAewHpRO8OkHNQRgxt8ye7gF +KZCb+p7WeavhHhBYDtPU91TEB0D4nFDOVoiaVIoVKMMhS67blLunZPAUcmGhvRPAWif CAPE/J685Nrzedo+LVU3LRmVbfx8GkQBdBQ7ZaJhHgZ1fmQH6x+PTNNiF2XdCxCqhjdX Wo6w== X-Gm-Message-State: AOAM533rsqQiooYy9L41XhmtD+iVSg26fLrWz5TlUSWcMy7BDW2qYyBA H+cN2epcVX+UL7nR5fxTl39DRmJI/+fTzQ== X-Google-Smtp-Source: ABdhPJzmcp1IpNSvtsZI2l6mqHqeW3DtO0WLSaC6mtJdqhMTdewSm2j5I4aZC9LN/GIADRnnsMbPzw== X-Received: by 2002:aa7:9ac2:0:b0:443:a477:6684 with SMTP id x2-20020aa79ac2000000b00443a4776684mr13446269pfp.25.1631990740927; Sat, 18 Sep 2021 11:45:40 -0700 (PDT) Received: from localhost.localdomain ([71.212.134.125]) by smtp.gmail.com with ESMTPSA id y26sm9555858pfe.69.2021.09.18.11.45.40 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 18 Sep 2021 11:45:40 -0700 (PDT) From: Richard Henderson To: qemu-devel@nongnu.org Subject: [PATCH v2 14/41] linux-user/host/mips: Populate host_signal.h Date: Sat, 18 Sep 2021 11:45:00 -0700 Message-Id: <20210918184527.408540-15-richard.henderson@linaro.org> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20210918184527.408540-1-richard.henderson@linaro.org> References: <20210918184527.408540-1-richard.henderson@linaro.org> MIME-Version: 1.0 Received-SPF: pass client-ip=2607:f8b0:4864:20::529; envelope-from=richard.henderson@linaro.org; helo=mail-pg1-x529.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: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: laurent@vivier.eu Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: "Qemu-devel" Split host_signal_pc and host_signal_write out of user-exec.c. Signed-off-by: Richard Henderson Reviewed-by: Philippe Mathieu-Daudé --- linux-user/host/mips/host-signal.h | 62 +++++++++++++++++++++++++++++- accel/tcg/user-exec.c | 52 +------------------------ 2 files changed, 62 insertions(+), 52 deletions(-) diff --git a/linux-user/host/mips/host-signal.h b/linux-user/host/mips/host-signal.h index f4b4d65031..9c83e51130 100644 --- a/linux-user/host/mips/host-signal.h +++ b/linux-user/host/mips/host-signal.h @@ -1 +1,61 @@ -#define HOST_SIGNAL_PLACEHOLDER +/* + * host-signal.h: signal info dependent on the host architecture + * + * Copyright (C) 2021 Linaro Limited + * + * This work is licensed under the terms of the GNU GPL, version 2 or later. + * See the COPYING file in the top-level directory. + */ + +#ifndef MIPS_HOST_SIGNAL_H +#define MIPS_HOST_SIGNAL_H + +static inline uintptr_t host_signal_pc(ucontext_t *uc) +{ + return uc->uc_mcontext.pc; +} + +#if defined(__misp16) || defined(__mips_micromips) +#error "Unsupported encoding" +#endif + +static inline bool host_signal_write(siginfo_t *info, ucontext_t *uc) +{ + uint32_t insn = *(uint32_t *)host_signal_pc(uc); + + /* Detect all store instructions at program counter. */ + switch ((insn >> 26) & 077) { + case 050: /* SB */ + case 051: /* SH */ + case 052: /* SWL */ + case 053: /* SW */ + case 054: /* SDL */ + case 055: /* SDR */ + case 056: /* SWR */ + case 070: /* SC */ + case 071: /* SWC1 */ + case 074: /* SCD */ + case 075: /* SDC1 */ + case 077: /* SD */ +#if !defined(__mips_isa_rev) || __mips_isa_rev < 6 + case 072: /* SWC2 */ + case 076: /* SDC2 */ +#endif + return true; + case 023: /* COP1X */ + /* + * Required in all versions of MIPS64 since + * MIPS64r1 and subsequent versions of MIPS32r2. + */ + switch (insn & 077) { + case 010: /* SWXC1 */ + case 011: /* SDXC1 */ + case 015: /* SUXC1 */ + return true; + } + break; + } + return false; +} + +#endif diff --git a/accel/tcg/user-exec.c b/accel/tcg/user-exec.c index 0810b71ba0..42d1ad189b 100644 --- a/accel/tcg/user-exec.c +++ b/accel/tcg/user-exec.c @@ -255,57 +255,7 @@ void *probe_access(CPUArchState *env, target_ulong addr, int size, return size ? g2h(env_cpu(env), addr) : NULL; } -#if defined(__mips__) - -#if defined(__misp16) || defined(__mips_micromips) -#error "Unsupported encoding" -#endif - -int cpu_signal_handler(int host_signum, void *pinfo, - void *puc) -{ - siginfo_t *info = pinfo; - ucontext_t *uc = puc; - uintptr_t pc = uc->uc_mcontext.pc; - uint32_t insn = *(uint32_t *)pc; - int is_write = 0; - - /* Detect all store instructions at program counter. */ - switch((insn >> 26) & 077) { - case 050: /* SB */ - case 051: /* SH */ - case 052: /* SWL */ - case 053: /* SW */ - case 054: /* SDL */ - case 055: /* SDR */ - case 056: /* SWR */ - case 070: /* SC */ - case 071: /* SWC1 */ - case 074: /* SCD */ - case 075: /* SDC1 */ - case 077: /* SD */ -#if !defined(__mips_isa_rev) || __mips_isa_rev < 6 - case 072: /* SWC2 */ - case 076: /* SDC2 */ -#endif - is_write = 1; - break; - case 023: /* COP1X */ - /* Required in all versions of MIPS64 since - MIPS64r1 and subsequent versions of MIPS32r2. */ - switch (insn & 077) { - case 010: /* SWXC1 */ - case 011: /* SDXC1 */ - case 015: /* SUXC1 */ - is_write = 1; - } - break; - } - - return handle_cpu_signal(pc, info, is_write, &uc->uc_sigmask); -} - -#elif defined(__riscv) +#if defined(__riscv) int cpu_signal_handler(int host_signum, void *pinfo, void *puc)