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Tue, 15 Dec 2020 06:45:29 +0000 (UTC) Authentication-Results: mail20.mymailcheap.com; dkim=pass (1024-bit key; unprotected) header.d=flygoat.com header.i=@flygoat.com header.b="Pga2ORzW"; dkim-atps=neutral AI-Spam-Status: Not processed Received: from strike.U-LINK.com (unknown [116.228.84.2]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange ECDHE (P-256) server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by mail20.mymailcheap.com (Postfix) with ESMTPSA id 1AC46403B9; Tue, 15 Dec 2020 06:45:20 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=flygoat.com; s=default; t=1608014723; bh=CNQZUp/uUP92ip3oJH4DOwjwgvT3AQbjqIxo+Z3m7Bs=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=Pga2ORzWyib1cQchDMCyRQvKI7j4KXoVOgdMer56+wTaN4W9dyGqSWAD4vZlpBBek w2y4Ctk0KZiyxaUNATE6gAGcXZvgPkFZi+IixTUL32oJvxzCWiVeP+mkpaMY8CoPyd J/eZXwwe2JA0bjJ3YIbNhgsWZGM0KM/fztg835s0= From: Jiaxun Yang To: qemu-devel@nongnu.org Subject: [PATCH v2 6/8] target/mips/addr: Add translation helpers for KSEG1 Date: Tue, 15 Dec 2020 14:45:06 +0800 Message-Id: <20201215064507.30148-3-jiaxun.yang@flygoat.com> X-Mailer: git-send-email 2.29.2 In-Reply-To: <20201215064200.28751-1-jiaxun.yang@flygoat.com> References: <20201215064200.28751-1-jiaxun.yang@flygoat.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Rspamd-Server: mail20.mymailcheap.com X-Spamd-Result: default: False [4.90 / 10.00]; ARC_NA(0.00)[]; RCVD_VIA_SMTP_AUTH(0.00)[]; R_DKIM_ALLOW(0.00)[flygoat.com:s=default]; FROM_HAS_DN(0.00)[]; TO_DN_SOME(0.00)[]; R_MISSING_CHARSET(2.50)[]; TO_MATCH_ENVRCPT_ALL(0.00)[]; MIME_GOOD(-0.10)[text/plain]; BROKEN_CONTENT_TYPE(1.50)[]; R_SPF_SOFTFAIL(0.00)[~all:c]; RCPT_COUNT_FIVE(0.00)[5]; ML_SERVERS(-3.10)[213.133.102.83]; DKIM_TRACE(0.00)[flygoat.com:+]; DMARC_POLICY_ALLOW(0.00)[flygoat.com,none]; MID_CONTAINS_FROM(1.00)[]; DMARC_POLICY_ALLOW_WITH_FAILURES(0.00)[]; RCVD_NO_TLS_LAST(0.10)[]; FROM_EQ_ENVFROM(0.00)[]; MIME_TRACE(0.00)[0:+]; ASN(0.00)[asn:24940, ipnet:213.133.96.0/19, country:DE]; RCVD_COUNT_TWO(0.00)[2]; HFILTER_HELO_BAREIP(3.00)[213.133.102.83,1] X-Rspamd-Queue-Id: 1E77941001 X-Spam: Yes Received-SPF: pass client-ip=137.74.80.156; envelope-from=jiaxun.yang@flygoat.com; helo=relay4.mymailcheap.com X-Spam_score_int: -5 X-Spam_score: -0.6 X-Spam_bar: / X-Spam_report: (-0.6 / 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_SORBS_WEB=1.5, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=no 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: Jiaxun Yang , chenhuacai@kernel.org, f4bug@amsat.org, paulburton@kernel.org Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" It's useful for bootloader to do IO opreations. Signed-off-by: Jiaxun Yang --- target/mips/addr.c | 10 ++++++++++ target/mips/cpu.h | 2 ++ 2 files changed, 12 insertions(+) diff --git a/target/mips/addr.c b/target/mips/addr.c index 27a6036c45..86f1c129c9 100644 --- a/target/mips/addr.c +++ b/target/mips/addr.c @@ -40,6 +40,16 @@ uint64_t cpu_mips_kvm_um_phys_to_kseg0(void *opaque, uint64_t addr) return addr | 0x40000000ll; } +uint64_t cpu_mips_kseg1_to_phys(void *opaque, uint64_t addr) +{ + return addr & 0x1fffffffll; +} + +uint64_t cpu_mips_phys_to_kseg1(void *opaque, uint64_t addr) +{ + return (addr & 0x1fffffffll) | 0xffffffffa0000000ll; +} + bool mips_um_ksegs_enabled(void) { return mips_um_ksegs; diff --git a/target/mips/cpu.h b/target/mips/cpu.h index 3ac21d0e9c..0bb1218a57 100644 --- a/target/mips/cpu.h +++ b/target/mips/cpu.h @@ -1303,6 +1303,8 @@ uint64_t cpu_mips_kseg0_to_phys(void *opaque, uint64_t addr); uint64_t cpu_mips_phys_to_kseg0(void *opaque, uint64_t addr); uint64_t cpu_mips_kvm_um_phys_to_kseg0(void *opaque, uint64_t addr); +uint64_t cpu_mips_kseg1_to_phys(void *opaque, uint64_t addr); +uint64_t cpu_mips_phys_to_kseg1(void *opaque, uint64_t addr); bool mips_um_ksegs_enabled(void); void mips_um_ksegs_enable(void); -- 2.29.2