From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from loongson.cn (mail.loongson.cn [114.242.206.163]) by sourceware.org (Postfix) with ESMTP id 7020F3857C4C for ; Fri, 28 Oct 2022 08:02:15 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.4.1 sourceware.org 7020F3857C4C Authentication-Results: sourceware.org; dmarc=none (p=none dis=none) header.from=loongson.cn Authentication-Results: sourceware.org; spf=pass smtp.mailfrom=loongson.cn Received: from loongson.cn (unknown [10.2.5.5]) by gateway (Coremail) with SMTP id _____8Bx37eEjFtjXg0DAA--.6852S3; Fri, 28 Oct 2022 16:02:12 +0800 (CST) Received: from 5.5.5 (unknown [10.2.5.5]) by localhost.localdomain (Coremail) with SMTP id AQAAf8Cxb+JsjFtjk0EGAA--.22274S2; Fri, 28 Oct 2022 16:02:11 +0800 (CST) From: Lulu Cheng To: gcc-patches@gcc.gnu.org, cmtice@google.com Cc: xry111@xry111.site, i@xen0n.name, xuchenghua@loongson.cn, Lulu Cheng , qijingwen Subject: [PATCH v3] LoongArch: Libvtv add loongarch support. Date: Fri, 28 Oct 2022 16:01:46 +0800 Message-Id: <20221028080146.1586483-1-chenglulu@loongson.cn> X-Mailer: git-send-email 2.31.1 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-CM-TRANSID:AQAAf8Cxb+JsjFtjk0EGAA--.22274S2 X-CM-SenderInfo: xfkh0wpoxo3qxorr0wxvrqhubq/ X-Coremail-Antispam: 1Uk129KBjvJXoW7Kw18KFykWrW3uF47AFWUArb_yoW8Zw4rpF W3Arn2vr4DGF1xCws5tr9xXr4xtanxGr4xKay2grW8ArWDCa4kZr97JrZ5G34xt3yxurWY gr1aq3yUua15ZrJanT9S1TB71UUUUUUqnTZGkaVYY2UrUUUUj1kv1TuYvTs0mT0YCTnIWj qI5I8CrVACY4xI64kE6c02F40Ex7xfYxn0WfASr-VFAUDa7-sFnT9fnUUIcSsGvfJTRUUU b7xYFVCjjxCrM7AC8VAFwI0_Jr0_Gr1l1xkIjI8I6I8E6xAIw20EY4v20xvaj40_Wr0E3s 1l1IIY67AEw4v_JrI_Jryl8cAvFVAK0II2c7xJM28CjxkF64kEwVA0rcxSw2x7M28EF7xv wVC0I7IYx2IY67AKxVW5JVW7JwA2z4x0Y4vE2Ix0cI8IcVCY1x0267AKxVW8JVWxJwA2z4 x0Y4vEx4A2jsIE14v26F4UJVW0owA2z4x0Y4vEx4A2jsIEc7CjxVAFwI0_Cr1j6rxdM2AI xVAIcxkEcVAq07x20xvEncxIr21l57IF6xkI12xvs2x26I8E6xACxx1l5I8CrVACY4xI64 kE6c02F40Ex7xfMcIj6xIIjxv20xvE14v26r1j6r18McIj6I8E87Iv67AKxVWUJVW8JwAm 72CE4IkC6x0Yz7v_Jr0_Gr1lF7xvr2IYc2Ij64vIr41l42xK82IYc2Ij64vIr41l4I8I3I 0E4IkC6x0Yz7v_Jr0_Gr1lx2IqxVAqx4xG67AKxVWUJVWUGwC20s026x8GjcxK67AKxVWU GVWUWwC2zVAF1VAY17CE14v26r126r1DMIIYrxkI7VAKI48JMIIF0xvE2Ix0cI8IcVAFwI 0_Jr0_JF4lIxAIcVC0I7IYx2IY6xkF7I0E14v26r1j6r4UMIIF0xvE42xK8VAvwI8IcIk0 rVWUJVWUCwCI42IY6I8E87Iv67AKxVWUJVW8JwCI42IY6I8E87Iv6xkF7I0E14v26r1j6r 4UYxBIdaVFxhVjvjDU0xZFpf9x07j8yCJUUUUU= X-Spam-Status: No, score=-12.6 required=5.0 tests=BAYES_00,GIT_PATCH_0,KAM_DMARC_STATUS,SPF_HELO_PASS,SPF_PASS,TXREP autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on server2.sourceware.org List-Id: After several considerations, I decided to set VTV_PAGE_SIZE to 16KB under loongarch64. v1 - > v2: 1. When the macro __loongarch_lp64 is defined, the VTV_PAGE_SIZE is set to 64K. 2. In the vtv_malloc.cc file __vtv_malloc_init function, it does not check whether VTV_PAGE_SIZE is equal to the system page size, if the macro __loongarch_lp64 is defined. v2 -> v3: Set VTV_PAGE_SIZE to 16KB under loongarch64. All regression tests of libvtv passed. === libvtv Summary === # of expected passes 176 ----------------------------------------- The loongarch64 kernel supports 4KB,16KB, or 64KB pages, but only 16k pages are currently supported in this code. Co-Authored-By: qijingwen include/ChangeLog: * vtv-change-permission.h (defined): (VTV_PAGE_SIZE): Set VTV_PAGE_SIZE to 16KB under loongarch64. libvtv/ChangeLog: * configure.tgt: Add loongarch support. --- include/vtv-change-permission.h | 5 +++++ libvtv/configure.tgt | 3 +++ 2 files changed, 8 insertions(+) diff --git a/include/vtv-change-permission.h b/include/vtv-change-permission.h index 70bdad92bca..f61d8b68ef6 100644 --- a/include/vtv-change-permission.h +++ b/include/vtv-change-permission.h @@ -48,6 +48,11 @@ extern void __VLTChangePermission (int); #else #if defined(__sun__) && defined(__svr4__) && defined(__sparc__) #define VTV_PAGE_SIZE 8192 +#elif defined(__loongarch_lp64) +/* The page size can be configured to 4, 16, or 64KB configuring the kernel. + However, only 16KB pages are supported here. Please modify this macro if you + want to support other page sizes. */ +#define VTV_PAGE_SIZE 16384 #else #define VTV_PAGE_SIZE 4096 #endif diff --git a/libvtv/configure.tgt b/libvtv/configure.tgt index aa2a3f675b8..6cdd1e97ab1 100644 --- a/libvtv/configure.tgt +++ b/libvtv/configure.tgt @@ -50,6 +50,9 @@ case "${target}" in ;; x86_64-*-darwin[1]* | i?86-*-darwin[1]*) ;; + loongarch*-*-linux*) + VTV_SUPPORTED=yes + ;; *) ;; esac -- 2.31.1