From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mailbox.box.xen0n.name (mail.xen0n.name [115.28.160.31]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 557FD111F for ; Thu, 29 Dec 2022 05:33:39 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=xen0n.name; s=mail; t=1672292016; bh=Cfc663mYSYiga+PdoJ97hpuRieU7dkZ8BjjW2c91VCk=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=VCWUMOD3egcjHknGnAphp1TMe8cmUhYxpTiJf8pgdKOzRSpTCP3N3frlAlz6qnrec owENvsk5f1lU26r/USOcHwoWvyKrp+gC4H+PmHCiew3uM8EG+ZNhngkF9bDTjdHaaP stqwWZ+g8OWJTDaTY7foxGkUgx3rWjWdcWPsyfr0= Received: from ld50.lan (unknown [101.88.134.93]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by mailbox.box.xen0n.name (Postfix) with ESMTPSA id B2B506014E; Thu, 29 Dec 2022 13:33:36 +0800 (CST) From: WANG Xuerui To: Huacai Chen Cc: loongarch@lists.linux.dev, WANG Xuerui Subject: [PATCH v2 07/11] LoongArch: Humanize the PRMD line when showing registers Date: Thu, 29 Dec 2022 13:33:02 +0800 Message-Id: <20221229053306.3285457-8-kernel@xen0n.name> X-Mailer: git-send-email 2.38.1 In-Reply-To: <20221229053306.3285457-1-kernel@xen0n.name> References: <20221229053306.3285457-1-kernel@xen0n.name> Precedence: bulk X-Mailing-List: loongarch@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit From: WANG Xuerui Example output looks like: [ xx.xxxxxx] prmd: 00000004 (-PWE +PIE PPLV0) Signed-off-by: WANG Xuerui --- arch/loongarch/kernel/traps.c | 11 ++++++++++- 1 file changed, 10 insertions(+), 1 deletion(-) diff --git a/arch/loongarch/kernel/traps.c b/arch/loongarch/kernel/traps.c index c56d5c12c901..d1404d8c5a5c 100644 --- a/arch/loongarch/kernel/traps.c +++ b/arch/loongarch/kernel/traps.c @@ -200,6 +200,15 @@ static void print_crmd(unsigned long x) pr_cont(")\n"); } +static void print_prmd(unsigned long x) +{ + pr_cont(" prmd: %08lx (", x); + print_bool_fragment("PWE", FIELD_GET(CSR_PRMD_PWE, x), true); + print_bool_fragment("PIE", FIELD_GET(CSR_PRMD_PIE, x), false); + print_plv_fragment("PPLV", (int) FIELD_GET(CSR_PRMD_PPLV, x)); + pr_cont(")\n"); +} + static void __show_regs(const struct pt_regs *regs) { const int field = 2 * sizeof(unsigned long); @@ -239,7 +248,7 @@ static void __show_regs(const struct pt_regs *regs) /* Print important CSRs */ print_crmd(regs->csr_crmd); - pr_cont(" prmd: %08lx\n", regs->csr_prmd); + print_prmd(regs->csr_prmd); pr_cont(" euen: %08lx\n", regs->csr_euen); pr_cont(" ecfg: %08lx\n", regs->csr_ecfg); pr_cont("estat: %08lx\n", regs->csr_estat); -- 2.38.1