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bh=NGgnVJVM/3ggrCB4lMW1V1MAgwQpjDnVbokLnX6PbBM=; b=3vUktBq5R4EboBKtS9cqtQ3lO/T5yVVzK6cmrpzKAvMFHXgnH0h/RPgRbd330RhXcXNecxaVoeqyzTz59xkfOnbgPuiYFpJkcajifGOG1TJnVdvtMjui2ghgyEuQ70DnkhIACnR8BZG1rMo8fje49EJiW4JOwVailM20qgXeP3o= X-MS-Exchange-Authentication-Results: spf=pass (sender IP is 165.204.84.17) smtp.mailfrom=amd.com; dkim=none (message not signed) header.d=none;dmarc=pass action=none header.from=amd.com; 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 (protection.outlook.com: domain of amd.com designates 165.204.84.17 as permitted sender) receiver=protection.outlook.com; client-ip=165.204.84.17; helo=satlexmb08.amd.com; pr=C From: Luc Michel To: , CC: Luc Michel , Palmer Dabbelt , Alistair Francis , Weiwei Li , Daniel Henrique Barboza , Liu Zhiwei , Francisco Iglesias Subject: [PATCH 5/9] hw/intc/riscv_aclint: implement the RISCVCPUTimeSrcIf interface Date: Fri, 7 Nov 2025 11:23:31 +0100 Message-ID: <20251107102340.471141-6-luc.michel@amd.com> X-Mailer: git-send-email 2.51.0 In-Reply-To: <20251107102340.471141-1-luc.michel@amd.com> References: <20251107102340.471141-1-luc.michel@amd.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: BN2PEPF000044A2:EE_|BN7PPFFC4F04B28:EE_ X-MS-Office365-Filtering-Correlation-Id: 858c131c-578b-41eb-f637-08de1de7c885 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; 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charset="utf-8" Implement the RISCVCPUTimeSrcIf QOM interface in the ACLINT mtimer device model. Signed-off-by: Luc Michel Reviewed-by: Philippe Mathieu-Daud=C3=A9 --- hw/intc/riscv_aclint.c | 22 ++++++++++++++++++++++ 1 file changed, 22 insertions(+) diff --git a/hw/intc/riscv_aclint.c b/hw/intc/riscv_aclint.c index 95398e48821..4a4449d9d2f 100644 --- a/hw/intc/riscv_aclint.c +++ b/hw/intc/riscv_aclint.c @@ -325,10 +325,25 @@ static void riscv_aclint_mtimer_reset_enter(Object *o= bj, ResetType type) * Pending mtime interrupts will also be cleared at the same time. */ riscv_aclint_mtimer_write(mtimer, mtimer->time_base, 0, 8); } =20 +static uint64_t riscv_aclint_mtimer_time_src_get_ticks(RISCVCPUTimeSrcIf *= iface) +{ + RISCVAclintMTimerState *mtimer =3D RISCV_ACLINT_MTIMER(iface); + + return riscv_aclint_mtimer_get_ticks(mtimer); +} + +static uint32_t riscv_aclint_mtimer_time_src_get_tick_freq(RISCVCPUTimeSrc= If *iface) +{ + RISCVAclintMTimerState *mtimer =3D RISCV_ACLINT_MTIMER(iface); + + return mtimer->timebase_freq; +} + + static const VMStateDescription vmstate_riscv_mtimer =3D { .name =3D "riscv_mtimer", .version_id =3D 3, .minimum_version_id =3D 3, .fields =3D (const VMStateField[]) { @@ -344,22 +359,29 @@ static const VMStateDescription vmstate_riscv_mtimer = =3D { =20 static void riscv_aclint_mtimer_class_init(ObjectClass *klass, const void = *data) { DeviceClass *dc =3D DEVICE_CLASS(klass); ResettableClass *rc =3D RESETTABLE_CLASS(klass); + RISCVCPUTimeSrcIfClass *rctsc =3D RISCV_CPU_TIME_SRC_IF_CLASS(klass); =20 dc->realize =3D riscv_aclint_mtimer_realize; device_class_set_props(dc, riscv_aclint_mtimer_properties); rc->phases.enter =3D riscv_aclint_mtimer_reset_enter; dc->vmsd =3D &vmstate_riscv_mtimer; + rctsc->get_ticks =3D riscv_aclint_mtimer_time_src_get_ticks; + rctsc->get_tick_freq =3D riscv_aclint_mtimer_time_src_get_tick_freq; } =20 static const TypeInfo riscv_aclint_mtimer_info =3D { .name =3D TYPE_RISCV_ACLINT_MTIMER, .parent =3D TYPE_SYS_BUS_DEVICE, .instance_size =3D sizeof(RISCVAclintMTimerState), .class_init =3D riscv_aclint_mtimer_class_init, + .interfaces =3D (const InterfaceInfo []) { + { TYPE_RISCV_CPU_TIME_SRC_IF }, + { }, + }, }; =20 /* * Create ACLINT MTIMER device. */ --=20 2.51.0