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Tue, 15 Dec 2020 06:45:20 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=mymailcheap.com; s=default; t=1608014730; bh=CNQZUp/uUP92ip3oJH4DOwjwgvT3AQbjqIxo+Z3m7Bs=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=RcoR6ZcJuswxn422Hn7rMDAB4ijqXpCAmBLw3sStJbPFMsIalUk3XsjKxNbQU8xj8 N2nN+4At1nwVFPbjA++Uv38I60401MuxHPmaxYQ7B7t9mzcxhWIc8hWjRmPlMRR9P/ Xur+eL4UOrnfod+3zO6zRp8KWJaPVMfdwv1nb2GE= X-Virus-Scanned: Debian amavisd-new at filter2.mymailcheap.com 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 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: quoted-printable X-Rspamd-Server: mail20.mymailcheap.com X-Spamd-Result: default: False [4.90 / 10.00]; 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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+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: fail (found 2 invalid signatures) Content-Type: text/plain; charset="utf-8" It's useful for bootloader to do IO opreations. Signed-off-by: Jiaxun Yang Reviewed-by: Huacai Chen Reviewed-by: Philippe Mathieu-Daud=C3=A9 Tested-by: Philippe Mathieu-Daud=C3=A9 --- 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, uin= t64_t addr) return addr | 0x40000000ll; } =20 +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); =20 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); =20 --=20 2.29.2