From nobody Wed Feb 5 14:51:21 2025 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=pass(p=none dis=none) header.from=suse.de ARC-Seal: i=1; a=rsa-sha256; t=1737132605; cv=none; d=zohomail.com; s=zohoarc; b=k8miEu0zfWbnF8VLN6QMt8ykscspGyWNL9rkZzfPgN6lHThi++vN25ZEugcnCM0XU5Yv9B1xa2mH07pnojWMrVh/yfzFl0v6lzE8F30qrLusS4Y8bc+Txan0Zr6lD/P8PU7wjpXbs4ivdRKVbxjyaW3vTFGK0JehXnLJRBpUFYw= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1737132605; h=Content-Transfer-Encoding:Cc:Cc:Date:Date:From:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:Subject:To:To:Message-Id:Reply-To; bh=fi0jKUEwhd0YLlGhaubav7efwCCkTd+0CwkJUiNtcak=; b=J2Rysex5pHmTqeOdglzXTuM+38uKNu7kn4DgJ1Cx9jL8ZZoTxLGLZLYfuZ6f4wMDSZtHvmkCMJagokc+0w/0OIJdywmvAL42RoBPTXpoLzIx/H+KZSlIxqBnLlKHDiS0iwgDk0zTrpZOzFeHhlb3wMmnF0DObo9uSSCIhh1z8O8= ARC-Authentication-Results: i=1; mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=pass header.from= (p=none dis=none) Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1737132604569284.93628542766453; Fri, 17 Jan 2025 08:50:04 -0800 (PST) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1tYpXZ-0004D4-M4; Fri, 17 Jan 2025 11:49:49 -0500 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 1tYpXX-0004Cj-T4 for qemu-devel@nongnu.org; Fri, 17 Jan 2025 11:49:47 -0500 Received: from smtp-out1.suse.de ([195.135.223.130]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1tYpXT-0001Ec-Od for qemu-devel@nongnu.org; Fri, 17 Jan 2025 11:49:45 -0500 Received: from imap1.dmz-prg2.suse.org (unknown [10.150.64.97]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) by smtp-out1.suse.de (Postfix) with ESMTPS id 2668E21237; Fri, 17 Jan 2025 16:49:42 +0000 (UTC) Received: from imap1.dmz-prg2.suse.org (localhost [127.0.0.1]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) by imap1.dmz-prg2.suse.org (Postfix) with ESMTPS id C319B13332; Fri, 17 Jan 2025 16:49:40 +0000 (UTC) Received: from dovecot-director2.suse.de ([2a07:de40:b281:106:10:150:64:167]) by imap1.dmz-prg2.suse.org with ESMTPSA id oKWkHySKimftQgAAD6G6ig (envelope-from ); Fri, 17 Jan 2025 16:49:40 +0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=suse.de; s=susede2_rsa; t=1737132582; h=from:from:reply-to:date:date:message-id:message-id:to:to:cc:cc: mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=fi0jKUEwhd0YLlGhaubav7efwCCkTd+0CwkJUiNtcak=; b=qnZOpb9Dp2+3vmLfDhPSsCN/ihyYINEggHOeQlDAUSQ4+1c488Sz69mQhr8zPkL14nJu06 b48pKCPoxkAnCfRhXpuCZ9nLDHO2YZDYDKDX3a79h0brQTGopbPHVmIbIJL42SD/PHOMGI ZQ0ydz5Qgkd58k7A0igJC+q2kjdLZrU= DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=suse.de; s=susede2_ed25519; t=1737132582; h=from:from:reply-to:date:date:message-id:message-id:to:to:cc:cc: mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=fi0jKUEwhd0YLlGhaubav7efwCCkTd+0CwkJUiNtcak=; b=czbS4sCzSfvit6QGiYrYeNXG0/b3klB12syw4bM5aEMzRgH+Fi9Rry9iMyQj2UvOcLbekI aaufMfFCcEmOH4Aw== Authentication-Results: smtp-out1.suse.de; none DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=suse.de; s=susede2_rsa; t=1737132582; h=from:from:reply-to:date:date:message-id:message-id:to:to:cc:cc: mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=fi0jKUEwhd0YLlGhaubav7efwCCkTd+0CwkJUiNtcak=; b=qnZOpb9Dp2+3vmLfDhPSsCN/ihyYINEggHOeQlDAUSQ4+1c488Sz69mQhr8zPkL14nJu06 b48pKCPoxkAnCfRhXpuCZ9nLDHO2YZDYDKDX3a79h0brQTGopbPHVmIbIJL42SD/PHOMGI ZQ0ydz5Qgkd58k7A0igJC+q2kjdLZrU= DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=suse.de; s=susede2_ed25519; t=1737132582; h=from:from:reply-to:date:date:message-id:message-id:to:to:cc:cc: mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=fi0jKUEwhd0YLlGhaubav7efwCCkTd+0CwkJUiNtcak=; b=czbS4sCzSfvit6QGiYrYeNXG0/b3klB12syw4bM5aEMzRgH+Fi9Rry9iMyQj2UvOcLbekI aaufMfFCcEmOH4Aw== From: Fabiano Rosas To: qemu-devel@nongnu.org Cc: Ivan Klokov , Daniel Henrique Barboza Subject: [PULL 1/5] target/riscv: Add RISC-V CSR qtest support Date: Fri, 17 Jan 2025 13:49:32 -0300 Message-Id: <20250117164936.22223-2-farosas@suse.de> X-Mailer: git-send-email 2.35.3 In-Reply-To: <20250117164936.22223-1-farosas@suse.de> References: <20250117164936.22223-1-farosas@suse.de> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-Spam-Score: -2.80 X-Spamd-Result: default: False [-2.80 / 50.00]; BAYES_HAM(-3.00)[100.00%]; MID_CONTAINS_FROM(1.00)[]; NEURAL_HAM_LONG(-1.00)[-1.000]; R_MISSING_CHARSET(0.50)[]; NEURAL_HAM_SHORT(-0.20)[-0.996]; MIME_GOOD(-0.10)[text/plain]; MIME_TRACE(0.00)[0:+]; TO_DN_SOME(0.00)[]; RCVD_VIA_SMTP_AUTH(0.00)[]; ARC_NA(0.00)[]; DKIM_SIGNED(0.00)[suse.de:s=susede2_rsa,suse.de:s=susede2_ed25519]; FUZZY_BLOCKED(0.00)[rspamd.com]; FROM_EQ_ENVFROM(0.00)[]; FROM_HAS_DN(0.00)[]; RCPT_COUNT_THREE(0.00)[3]; RCVD_COUNT_TWO(0.00)[2]; TO_MATCH_ENVRCPT_ALL(0.00)[]; DBL_BLOCKED_OPENRESOLVER(0.00)[imap1.dmz-prg2.suse.org:helo,suse.de:mid,suse.de:email]; RCVD_TLS_ALL(0.00)[] Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=195.135.223.130; envelope-from=farosas@suse.de; helo=smtp-out1.suse.de X-Spam_score_int: -43 X-Spam_score: -4.4 X-Spam_bar: ---- X-Spam_report: (-4.4 / 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_MED=-2.3, RCVD_IN_VALIDITY_CERTIFIED_BLOCKED=0.001, RCVD_IN_VALIDITY_RPBL_BLOCKED=0.001, 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+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @suse.de) X-ZM-MESSAGEID: 1737132606802019000 Content-Type: text/plain; charset="utf-8" From: Ivan Klokov The RISC-V architecture supports the creation of custom CSR-mapped devices. It would be convenient to test them in the same way as MMIO-mapped devices. To do this, a new call has been added to read/write CSR registers. Signed-off-by: Ivan Klokov Acked-by: Fabiano Rosas Reviewed-by: Daniel Henrique Barboza Signed-off-by: Fabiano Rosas --- hw/riscv/riscv_hart.c | 55 ++++++++++++++++++++++++++++++++++++++++++ tests/qtest/libqtest.c | 27 +++++++++++++++++++++ tests/qtest/libqtest.h | 14 +++++++++++ 3 files changed, 96 insertions(+) diff --git a/hw/riscv/riscv_hart.c b/hw/riscv/riscv_hart.c index bc9ffdd2d4..5d64271718 100644 --- a/hw/riscv/riscv_hart.c +++ b/hw/riscv/riscv_hart.c @@ -22,6 +22,8 @@ #include "qapi/error.h" #include "qemu/module.h" #include "system/reset.h" +#include "system/qtest.h" +#include "qemu/cutils.h" #include "hw/sysbus.h" #include "target/riscv/cpu.h" #include "hw/qdev-properties.h" @@ -41,6 +43,55 @@ static void riscv_harts_cpu_reset(void *opaque) cpu_reset(CPU(cpu)); } =20 +#ifndef CONFIG_USER_ONLY +static void csr_call(char *cmd, uint64_t cpu_num, int csrno, uint64_t *val) +{ + RISCVCPU *cpu =3D RISCV_CPU(cpu_by_arch_id(cpu_num)); + CPURISCVState *env =3D &cpu->env; + + int ret =3D RISCV_EXCP_NONE; + if (strcmp(cmd, "get_csr") =3D=3D 0) { + ret =3D riscv_csrr(env, csrno, (target_ulong *)val); + } else if (strcmp(cmd, "set_csr") =3D=3D 0) { + ret =3D riscv_csrrw(env, csrno, NULL, *(target_ulong *)val, + MAKE_64BIT_MASK(0, TARGET_LONG_BITS)); + } + + g_assert(ret =3D=3D RISCV_EXCP_NONE); +} + +static bool csr_qtest_callback(CharBackend *chr, gchar **words) +{ + if (strcmp(words[0], "csr") =3D=3D 0) { + + uint64_t cpu; + uint64_t val; + int rc, csr; + + rc =3D qemu_strtou64(words[2], NULL, 0, &cpu); + g_assert(rc =3D=3D 0); + rc =3D qemu_strtoi(words[3], NULL, 0, &csr); + g_assert(rc =3D=3D 0); + rc =3D qemu_strtou64(words[4], NULL, 0, &val); + g_assert(rc =3D=3D 0); + csr_call(words[1], cpu, csr, &val); + + qtest_send_prefix(chr); + qtest_sendf(chr, "OK 0 "TARGET_FMT_lx"\n", (target_ulong)val); + + return true; + } + + return false; +} + +static void riscv_cpu_register_csr_qtest_callback(void) +{ + static GOnce once; + g_once(&once, (GThreadFunc)qtest_set_command_cb, csr_qtest_callback); +} +#endif + static bool riscv_hart_realize(RISCVHartArrayState *s, int idx, char *cpu_type, Error **errp) { @@ -58,6 +109,10 @@ static void riscv_harts_realize(DeviceState *dev, Error= **errp) =20 s->harts =3D g_new0(RISCVCPU, s->num_harts); =20 +#ifndef CONFIG_USER_ONLY + riscv_cpu_register_csr_qtest_callback(); +#endif + for (n =3D 0; n < s->num_harts; n++) { if (!riscv_hart_realize(s, n, s->cpu_type, errp)) { return; diff --git a/tests/qtest/libqtest.c b/tests/qtest/libqtest.c index 8de5f1fde3..4bc9643aad 100644 --- a/tests/qtest/libqtest.c +++ b/tests/qtest/libqtest.c @@ -1218,6 +1218,33 @@ uint64_t qtest_rtas_call(QTestState *s, const char *= name, return 0; } =20 +static void qtest_rsp_csr(QTestState *s, uint64_t *val) +{ + gchar **args; + uint64_t ret; + int rc; + + args =3D qtest_rsp_args(s, 3); + + rc =3D qemu_strtou64(args[1], NULL, 16, &ret); + g_assert(rc =3D=3D 0); + rc =3D qemu_strtou64(args[2], NULL, 16, val); + g_assert(rc =3D=3D 0); + + g_strfreev(args); +} + +uint64_t qtest_csr_call(QTestState *s, const char *name, + uint64_t cpu, int csr, + uint64_t *val) +{ + qtest_sendf(s, "csr %s 0x%"PRIx64" %d 0x%"PRIx64"\n", + name, cpu, csr, *val); + + qtest_rsp_csr(s, val); + return 0; +} + void qtest_add_func(const char *str, void (*fn)(void)) { gchar *path =3D g_strdup_printf("/%s/%s", qtest_get_arch(), str); diff --git a/tests/qtest/libqtest.h b/tests/qtest/libqtest.h index f23d80e9e5..d771f29d63 100644 --- a/tests/qtest/libqtest.h +++ b/tests/qtest/libqtest.h @@ -600,6 +600,20 @@ uint64_t qtest_rtas_call(QTestState *s, const char *na= me, uint32_t nargs, uint64_t args, uint32_t nret, uint64_t ret); =20 +/** + * qtest_csr_call: + * @s: #QTestState instance to operate on. + * @name: name of the command to call. + * @cpu: hart number. + * @csr: CSR number. + * @val: Value for reading/writing. + * + * Call an RISC-V CSR read/write function + */ +uint64_t qtest_csr_call(QTestState *s, const char *name, + uint64_t cpu, int csr, + uint64_t *val); + /** * qtest_bufread: * @s: #QTestState instance to operate on. --=20 2.35.3