From patchwork Sat Jun 19 18:14:27 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Richard Henderson X-Patchwork-Id: 463896 Delivered-To: patch@linaro.org Received: by 2002:a05:6638:102:0:0:0:0 with SMTP id x2csp1048224jao; Sat, 19 Jun 2021 11:20:39 -0700 (PDT) X-Google-Smtp-Source: ABdhPJx65dtgiNuI5PDFKnwzVyg/CYcV2sX6fQgoYAA7zvR1CGQAFOVEPD+0SrhXZCoRwr9fAQTt X-Received: by 2002:a67:80c5:: with SMTP id b188mr12179994vsd.49.1624126839843; Sat, 19 Jun 2021 11:20:39 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1624126839; cv=none; d=google.com; s=arc-20160816; b=C0OQyz+VBfBNh5MdOyMWp7EzLO0cEuCotAszcFxnhllwQqftuvYXa8PniAUE2ALv/B x0w02O72ot/R1xbbkf7GH/qIiwDcPJJxwbexMP5er9aABXTJf1gSVbkcoUp1o/+AAfZG kAZBjxvBJmTl1zEFPs7J278S2ienZcyl2kQAqU4QZWV2mKejq7dXtr1h7NKDHTFYp2K2 F5LK8QQczj9a7HII/sNXYYfYQMLhZTmwD4iOGu5VfIdST65lDDOBcD9yXOmGYl2fuqFE 7qP0p0lHsf41RIY4QyBv13PktSfCPPbOZmR3iq1r/DVmTB/TZNdSWBcwOEQ1zBMCc3Qq dNQg== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=sender:errors-to:cc:list-subscribe:list-help:list-post:list-archive :list-unsubscribe:list-id:precedence:content-transfer-encoding :mime-version:references:in-reply-to:message-id:date:subject:to:from :dkim-signature; bh=GYoI4UBf5tUFjOCHxxgodMxhDrVCT55EmnBgp0S5rzE=; b=UuGiBzool029y40SRSfZS6/Ob3AddsEuDKvGl3GL4ahoFYrbHhjG8bO4eARXPI4RcI YYvfouK2cMqA8b+OYaWyvxpr7rmEW+HYR+HFdyfoqOU0Q5PDhZAfCOMLRF6OzPaoVh24 /4oGmXulQY+/AQXQMRAqJaL2zkPznQj+b6dP8UCQxRnD88lu3BCy5/tXhFo1KEd8V3s2 s/x7K826wKSmoMOcIl89UIR6wTPHXv3UxaOVla5qw5gBJhfs88TmTkjRYK4Bg3cEq7OA Se0SpdJ3jHjfqTGeSj9DWVDS9zz7z7NQjr6QPSP3mWLwfjEd0TYDj1pl+3zksfLGkef3 Tiyg== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@linaro.org header.s=google header.b=K2VlTU99; spf=pass (google.com: domain of qemu-devel-bounces+patch=linaro.org@nongnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom="qemu-devel-bounces+patch=linaro.org@nongnu.org"; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=linaro.org Return-Path: Received: from lists.gnu.org (lists.gnu.org. [209.51.188.17]) by mx.google.com with ESMTPS id 90si10250695uam.157.2021.06.19.11.20.39 for (version=TLS1_2 cipher=ECDHE-ECDSA-CHACHA20-POLY1305 bits=256/256); Sat, 19 Jun 2021 11:20:39 -0700 (PDT) Received-SPF: pass (google.com: domain of qemu-devel-bounces+patch=linaro.org@nongnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; Authentication-Results: mx.google.com; dkim=pass header.i=@linaro.org header.s=google header.b=K2VlTU99; spf=pass (google.com: domain of qemu-devel-bounces+patch=linaro.org@nongnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom="qemu-devel-bounces+patch=linaro.org@nongnu.org"; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=linaro.org Received: from localhost ([::1]:46566 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1lufaB-00043z-7F for patch@linaro.org; Sat, 19 Jun 2021 14:20:39 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:35788) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1lufUj-0000hS-D3 for qemu-devel@nongnu.org; Sat, 19 Jun 2021 14:15:01 -0400 Received: from mail-pl1-x635.google.com ([2607:f8b0:4864:20::635]:38654) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1lufUh-0002Eq-9q for qemu-devel@nongnu.org; Sat, 19 Jun 2021 14:15:01 -0400 Received: by mail-pl1-x635.google.com with SMTP id 69so6334630plc.5 for ; Sat, 19 Jun 2021 11:14:58 -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=GYoI4UBf5tUFjOCHxxgodMxhDrVCT55EmnBgp0S5rzE=; b=K2VlTU99K+nnNxnkfDuZ2Qz9BDLiIzztYqCJVeOkh4Q3+0v3n4dZhXNKnafYJczg/M UKk2zbOA3sX0UjQz2FxZtocKgFmzSjJgmuuS5UjwZHM6P/0o8c28CwSa+ZvmzORQ/Lvw rOXqFQlcDP2sj7wYVFby7BAWR13/pNBrG/ze8iPk/ijeE5nNRo27e7x71+cRwnP7vSp/ Wc5Q6h+5UBIV85lhdoTo0xFtn1Vdx9nfHr1DNjPmtufOF+sbCRbn67dpAUA1ULQw2aBp fJrhLfGOmnmK+Xe1AAk6ZBlSC0aOVMrvrHeAvc31GPq24LJ8B1BOllYWpDcgj+74RXTX 0bKA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=GYoI4UBf5tUFjOCHxxgodMxhDrVCT55EmnBgp0S5rzE=; b=KOKlbM23cJOqjE6POHuBqZ4MS3bXrOvKj8C+Y122yMlgIM/m+rwZD5dQk9aeisLKM8 pBC70KlJ//IixBHP9uH/CACNxEd2uumEI2jqzUgScgst/fOQ6lAiMfwPPk0VRu6q8Klk WIsMFaN5XpubIMBpbQ5Ltpr5+ZxqJQAhf8mXsqStpBZrrC2nwClluVaRHWcQLZUtrZi5 CxZ/oIqRUAZN/45Jk3rz55gy32LASLO+QBRH60gvEolQN3rxIp85RdoleptntRoM1gev vmtATQ5lbBEd94DHYCAqO/fR7c+4aQKbmq3M95WHeqsO75rIevNlT+O/3ZzSA36A/RVg znMA== X-Gm-Message-State: AOAM530xNp92I/L922jXRMq0uwqDxVLiGgoFGMNhnsB3U+TZantfZmme 594wVcyy86rG+zz2uT85VI3owI25AdqJWQ== X-Received: by 2002:a17:90a:f094:: with SMTP id cn20mr17779008pjb.157.1624126497869; Sat, 19 Jun 2021 11:14:57 -0700 (PDT) Received: from localhost.localdomain ([71.212.149.176]) by smtp.gmail.com with ESMTPSA id k35sm12059113pgi.21.2021.06.19.11.14.57 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 19 Jun 2021 11:14:57 -0700 (PDT) From: Richard Henderson To: qemu-devel@nongnu.org Subject: [PULL 08/33] tcg: Build ffi data structures for helpers Date: Sat, 19 Jun 2021 11:14:27 -0700 Message-Id: <20210619181452.877683-9-richard.henderson@linaro.org> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20210619181452.877683-1-richard.henderson@linaro.org> References: <20210619181452.877683-1-richard.henderson@linaro.org> MIME-Version: 1.0 Received-SPF: pass client-ip=2607:f8b0:4864:20::635; envelope-from=richard.henderson@linaro.org; helo=mail-pl1-x635.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: peter.maydell@linaro.org, =?utf-8?q?Philippe_Mathieu-Daud=C3=A9?= Errors-To: qemu-devel-bounces+patch=linaro.org@nongnu.org Sender: "Qemu-devel" Add libffi as a build requirement for TCI. Add libffi to the dockerfiles to satisfy that requirement. Construct an ffi_cif structure for each unique typemask. Record the result in a separate hash table for later lookup; this allows helper_table to stay const. Tested-by: Philippe Mathieu-Daudé Reviewed-by: Philippe Mathieu-Daudé Signed-off-by: Richard Henderson --- tcg/tcg.c | 58 +++++++++++++++++++ tcg/meson.build | 8 ++- tests/docker/dockerfiles/alpine.docker | 1 + tests/docker/dockerfiles/centos8.docker | 1 + tests/docker/dockerfiles/debian10.docker | 1 + .../dockerfiles/fedora-i386-cross.docker | 1 + .../dockerfiles/fedora-win32-cross.docker | 1 + .../dockerfiles/fedora-win64-cross.docker | 1 + tests/docker/dockerfiles/fedora.docker | 1 + tests/docker/dockerfiles/ubuntu.docker | 1 + tests/docker/dockerfiles/ubuntu1804.docker | 1 + tests/docker/dockerfiles/ubuntu2004.docker | 1 + 12 files changed, 75 insertions(+), 1 deletion(-) -- 2.25.1 diff --git a/tcg/tcg.c b/tcg/tcg.c index 8f4f1711cd..de1a593ce7 100644 --- a/tcg/tcg.c +++ b/tcg/tcg.c @@ -60,6 +60,10 @@ #include "exec/log.h" #include "tcg-internal.h" +#ifdef CONFIG_TCG_INTERPRETER +#include +#endif + /* Forward declarations for functions declared in tcg-target.c.inc and used here. */ static void tcg_target_init(TCGContext *s); @@ -539,6 +543,19 @@ static const TCGHelperInfo all_helpers[] = { }; static GHashTable *helper_table; +#ifdef CONFIG_TCG_INTERPRETER +static GHashTable *ffi_table; + +static ffi_type * const typecode_to_ffi[8] = { + [dh_typecode_void] = &ffi_type_void, + [dh_typecode_i32] = &ffi_type_uint32, + [dh_typecode_s32] = &ffi_type_sint32, + [dh_typecode_i64] = &ffi_type_uint64, + [dh_typecode_s64] = &ffi_type_sint64, + [dh_typecode_ptr] = &ffi_type_pointer, +}; +#endif + static int indirect_reg_alloc_order[ARRAY_SIZE(tcg_target_reg_alloc_order)]; static void process_op_defs(TCGContext *s); static TCGTemp *tcg_global_reg_new_internal(TCGContext *s, TCGType type, @@ -582,6 +599,47 @@ static void tcg_context_init(unsigned max_cpus) (gpointer)&all_helpers[i]); } +#ifdef CONFIG_TCG_INTERPRETER + /* g_direct_hash/equal for direct comparisons on uint32_t. */ + ffi_table = g_hash_table_new(NULL, NULL); + for (i = 0; i < ARRAY_SIZE(all_helpers); ++i) { + struct { + ffi_cif cif; + ffi_type *args[]; + } *ca; + uint32_t typemask = all_helpers[i].typemask; + gpointer hash = (gpointer)(uintptr_t)typemask; + ffi_status status; + int nargs; + + if (g_hash_table_lookup(ffi_table, hash)) { + continue; + } + + /* Ignoring the return type, find the last non-zero field. */ + nargs = 32 - clz32(typemask >> 3); + nargs = DIV_ROUND_UP(nargs, 3); + + ca = g_malloc0(sizeof(*ca) + nargs * sizeof(ffi_type *)); + ca->cif.rtype = typecode_to_ffi[typemask & 7]; + ca->cif.nargs = nargs; + + if (nargs != 0) { + ca->cif.arg_types = ca->args; + for (i = 0; i < nargs; ++i) { + int typecode = extract32(typemask, (i + 1) * 3, 3); + ca->args[i] = typecode_to_ffi[typecode]; + } + } + + status = ffi_prep_cif(&ca->cif, FFI_DEFAULT_ABI, nargs, + ca->cif.rtype, ca->cif.arg_types); + assert(status == FFI_OK); + + g_hash_table_insert(ffi_table, hash, (gpointer)&ca->cif); + } +#endif + tcg_target_init(s); process_op_defs(s); diff --git a/tcg/meson.build b/tcg/meson.build index 5be3915529..c4c63b19d4 100644 --- a/tcg/meson.build +++ b/tcg/meson.build @@ -9,6 +9,12 @@ tcg_ss.add(files( 'tcg-op-gvec.c', 'tcg-op-vec.c', )) -tcg_ss.add(when: 'CONFIG_TCG_INTERPRETER', if_true: files('tci.c')) + +if get_option('tcg_interpreter') + libffi = dependency('libffi', version: '>=3.0', required: true, + method: 'pkg-config', kwargs: static_kwargs) + specific_ss.add(libffi) + specific_ss.add(files('tci.c')) +endif specific_ss.add_all(when: 'CONFIG_TCG', if_true: tcg_ss) diff --git a/tests/docker/dockerfiles/alpine.docker b/tests/docker/dockerfiles/alpine.docker index 7eeecacc46..7e6997e301 100644 --- a/tests/docker/dockerfiles/alpine.docker +++ b/tests/docker/dockerfiles/alpine.docker @@ -22,6 +22,7 @@ ENV PACKAGES \ libaio-dev \ libbpf-dev \ libcap-ng-dev \ + libffi-dev \ libjpeg-turbo-dev \ libnfs-dev \ libpng-dev \ diff --git a/tests/docker/dockerfiles/centos8.docker b/tests/docker/dockerfiles/centos8.docker index efc1349cc8..03e0440e03 100644 --- a/tests/docker/dockerfiles/centos8.docker +++ b/tests/docker/dockerfiles/centos8.docker @@ -17,6 +17,7 @@ ENV PACKAGES \ libbpf-devel \ libepoxy-devel \ libfdt-devel \ + libffi-devel \ libgcrypt-devel \ lzo-devel \ make \ diff --git a/tests/docker/dockerfiles/debian10.docker b/tests/docker/dockerfiles/debian10.docker index 63cf835ec5..4ffe47671e 100644 --- a/tests/docker/dockerfiles/debian10.docker +++ b/tests/docker/dockerfiles/debian10.docker @@ -26,6 +26,7 @@ RUN apt update && \ gdb-multiarch \ gettext \ git \ + libffi-dev \ libncurses5-dev \ ninja-build \ pkg-config \ diff --git a/tests/docker/dockerfiles/fedora-i386-cross.docker b/tests/docker/dockerfiles/fedora-i386-cross.docker index 66cdb06c19..8004fd8ee5 100644 --- a/tests/docker/dockerfiles/fedora-i386-cross.docker +++ b/tests/docker/dockerfiles/fedora-i386-cross.docker @@ -6,6 +6,7 @@ ENV PACKAGES \ findutils \ gcc \ git \ + libffi-devel.i686 \ libtasn1-devel.i686 \ libzstd-devel.i686 \ make \ diff --git a/tests/docker/dockerfiles/fedora-win32-cross.docker b/tests/docker/dockerfiles/fedora-win32-cross.docker index 3733df63e9..a638afb525 100644 --- a/tests/docker/dockerfiles/fedora-win32-cross.docker +++ b/tests/docker/dockerfiles/fedora-win32-cross.docker @@ -19,6 +19,7 @@ ENV PACKAGES \ mingw32-gmp \ mingw32-gnutls \ mingw32-gtk3 \ + mingw32-libffi \ mingw32-libjpeg-turbo \ mingw32-libpng \ mingw32-libtasn1 \ diff --git a/tests/docker/dockerfiles/fedora-win64-cross.docker b/tests/docker/dockerfiles/fedora-win64-cross.docker index 2564ce4979..f53007ac86 100644 --- a/tests/docker/dockerfiles/fedora-win64-cross.docker +++ b/tests/docker/dockerfiles/fedora-win64-cross.docker @@ -18,6 +18,7 @@ ENV PACKAGES \ mingw64-glib2 \ mingw64-gmp \ mingw64-gtk3 \ + mingw64-libffi \ mingw64-libjpeg-turbo \ mingw64-libpng \ mingw64-libtasn1 \ diff --git a/tests/docker/dockerfiles/fedora.docker b/tests/docker/dockerfiles/fedora.docker index 0979c0e1f4..00cac5d61c 100644 --- a/tests/docker/dockerfiles/fedora.docker +++ b/tests/docker/dockerfiles/fedora.docker @@ -33,6 +33,7 @@ ENV PACKAGES \ libepoxy-devel \ libfdt-devel \ libbpf-devel \ + libffi-devel \ libiscsi-devel \ libjpeg-devel \ libpmem-devel \ diff --git a/tests/docker/dockerfiles/ubuntu.docker b/tests/docker/dockerfiles/ubuntu.docker index 98a527361c..24d1647a65 100644 --- a/tests/docker/dockerfiles/ubuntu.docker +++ b/tests/docker/dockerfiles/ubuntu.docker @@ -28,6 +28,7 @@ ENV PACKAGES \ libdrm-dev \ libepoxy-dev \ libfdt-dev \ + libffi-dev \ libgbm-dev \ libgnutls28-dev \ libgtk-3-dev \ diff --git a/tests/docker/dockerfiles/ubuntu1804.docker b/tests/docker/dockerfiles/ubuntu1804.docker index c0d3642507..2f1ec7c42b 100644 --- a/tests/docker/dockerfiles/ubuntu1804.docker +++ b/tests/docker/dockerfiles/ubuntu1804.docker @@ -16,6 +16,7 @@ ENV PACKAGES \ libdrm-dev \ libepoxy-dev \ libfdt-dev \ + libffi-dev \ libgbm-dev \ libgtk-3-dev \ libibverbs-dev \ diff --git a/tests/docker/dockerfiles/ubuntu2004.docker b/tests/docker/dockerfiles/ubuntu2004.docker index f1e0ebad49..fe993fe2a3 100644 --- a/tests/docker/dockerfiles/ubuntu2004.docker +++ b/tests/docker/dockerfiles/ubuntu2004.docker @@ -19,6 +19,7 @@ ENV PACKAGES flex bison \ libdrm-dev \ libepoxy-dev \ libfdt-dev \ + libffi-dev \ libgbm-dev \ libgtk-3-dev \ libibverbs-dev \