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Mon, 20 Sep 2021 23:54:41 -0700 (PDT) Received: from toolbox.alistair23.me (unknown [10.225.165.26]) by usg-ed-osssrv.wdc.com (Postfix) with ESMTPSA id 4HDBxR5lgMz1RvlH; Mon, 20 Sep 2021 23:54:35 -0700 (PDT) From: Alistair Francis To: qemu-devel@nongnu.org, peter.maydell@linaro.org Cc: alistair23@gmail.com, Alistair Francis , =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= , Richard Henderson , Bin Meng Subject: [PULL v2 03/21] target/riscv: Expose interrupt pending bits as GPIO lines Date: Tue, 21 Sep 2021 16:53:54 +1000 Message-Id: <20210921065412.312381-4-alistair.francis@opensource.wdc.com> X-Mailer: git-send-email 2.31.1 In-Reply-To: <20210921065412.312381-1-alistair.francis@opensource.wdc.com> References: <20210921065412.312381-1-alistair.francis@opensource.wdc.com> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable Received-SPF: pass client-ip=216.71.153.144; envelope-from=prvs=891501f09=alistair.francis@opensource.wdc.com; helo=esa5.hgst.iphmx.com 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, SPF_HELO_PASS=-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: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" From: Alistair Francis Expose the 12 interrupt pending bits in MIP as GPIO lines. Signed-off-by: Alistair Francis Reviewed-by: Philippe Mathieu-Daud=C3=A9 Reviewed-by: Richard Henderson Reviewed-by: Bin Meng Tested-by: Bin Meng Message-id: 069d6162f0bc2f4a4f5a44e73f6442b11c703c53.1630301632.git.alist= air.francis@wdc.com --- target/riscv/cpu.c | 30 ++++++++++++++++++++++++++++++ 1 file changed, 30 insertions(+) diff --git a/target/riscv/cpu.c b/target/riscv/cpu.c index d4d5961807..7c626d89cd 100644 --- a/target/riscv/cpu.c +++ b/target/riscv/cpu.c @@ -567,11 +567,41 @@ static void riscv_cpu_realize(DeviceState *dev, Err= or **errp) mcc->parent_realize(dev, errp); } =20 +#ifndef CONFIG_USER_ONLY +static void riscv_cpu_set_irq(void *opaque, int irq, int level) +{ + RISCVCPU *cpu =3D RISCV_CPU(opaque); + + switch (irq) { + case IRQ_U_SOFT: + case IRQ_S_SOFT: + case IRQ_VS_SOFT: + case IRQ_M_SOFT: + case IRQ_U_TIMER: + case IRQ_S_TIMER: + case IRQ_VS_TIMER: + case IRQ_M_TIMER: + case IRQ_U_EXT: + case IRQ_S_EXT: + case IRQ_VS_EXT: + case IRQ_M_EXT: + riscv_cpu_update_mip(cpu, 1 << irq, BOOL_TO_MASK(level)); + break; + default: + g_assert_not_reached(); + } +} +#endif /* CONFIG_USER_ONLY */ + static void riscv_cpu_init(Object *obj) { RISCVCPU *cpu =3D RISCV_CPU(obj); =20 cpu_set_cpustate_pointers(cpu); + +#ifndef CONFIG_USER_ONLY + qdev_init_gpio_in(DEVICE(cpu), riscv_cpu_set_irq, 12); +#endif /* CONFIG_USER_ONLY */ } =20 static Property riscv_cpu_properties[] =3D { --=20 2.31.1