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[109.243.67.101]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-485359bf807sm119619845e9.2.2026.03.10.10.09.08 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 10 Mar 2026 10:09:08 -0700 (PDT) X-BeenThere: xen-devel@lists.xenproject.org List-Id: Xen developer discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xenproject.org Precedence: list Sender: "Xen-devel" X-Inumbo-ID: dac0d254-1ca3-11f1-b164-2bf370ae4941 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1773162549; x=1773767349; darn=lists.xenproject.org; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:from:to:cc:subject:date:message-id:reply-to; bh=fS3m/olTHFR+S5wMOXBBTVEk4F6WPK3GOur8e80WWZg=; b=O6ssJ5irhIT4Rn4mYXzd7xFT0mBwKwfo+YpZb3gcKjPAx+pQeRYbhpQ1BROdWBUsYS 7T7Y0NDkbivQiygkK5ClZDG2kQYYtIuXciD/hHh+HcGIubGn5vkL2vdORSZ70NiqRHaQ f92s/3LT79a7OdVowAqZB3J33ZPPyxsAF0uXb9umoJuLo8E9W1MetVFBkd2p4hi0ynaU n22sAZ7kdMNFvrlkXRKYTwtY3m3izZ3wQWqfzoBYwXbIsIj+d9At1r0ryr9CwlSZWm/O gUWn08203WG9MbMULgr8mprifoVS+XduRgVzauQPfN0OssojwaLLtchsHerXrB7uYsBH uYmQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1773162549; x=1773767349; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:x-gm-gg:x-gm-message-state:from:to:cc:subject:date :message-id:reply-to; bh=fS3m/olTHFR+S5wMOXBBTVEk4F6WPK3GOur8e80WWZg=; b=BzL+qwv/EPkJ/JZoJP7XOuZ/j9BP9UyWp/Yzr3M9p8i8+UMti9PFguy2m1JCBCcIlT LpECCmq6SchQDrPny6Mn19rSas7oU3Uw2AAAtSejNTbZBFwA+JtaGXIbHfsf3o2nGrFQ p68w19PeVk4LES86y9vqOHgBqMlX8Yiv3uPszwZRX/Vp0v7y2q5m+Uh/1QzuVQD38K23 guodkvV0WWt5fyuP0AYdh+8j/b6zm4g6euDzNZcS+KEs37Qqmdq+hFDz1f+qhsaiVCNV wojjMqCwfFb6MCn8N54u7La3FBX6X9rntDJYlO8NneX5z3sHUNYLzbQb06mshWqoympD htnA== X-Gm-Message-State: AOJu0YyUrGIPDSStL6W/37bCoK77GVKVR7uUqPP57u32ngE6NKDnZTpc 1/ybe6UvDn10BAamxZWt7nc8JCdW9xc2vXxQowj38tOETq0sXE2S08MsMOUh6cYD X-Gm-Gg: ATEYQzxhN7konqIaqbkSmUnskjXFnjpqqFAVqiocDHfcFcLPTjzrkNq8rVCvzK2h7hp mk4CBDRnn2oZreGEWsGSLx3LIfoGV6OW+yjwTm8gDWqSVsoVsjh4x+EqAJm3I6lHnnIZ8lwGikn 2r0UHm+BPSENBT9jLosp0QPg4lGQPkTowjTfUYNc6FV9fDoq4oagL6IYI99Kz9Duh7ClCLkgERR PRpJAtacdiQF/QYT4i3pG/p5TaewMV6fiPYHLn3OWiC286vdk0/st7tvFkPcpl4/Iba40cRMq5o xNjIsnTG1OfmTbzwJa+DwxD0/gzntr1Uc0X5C2BHkpAXXjA3pELfp/ZKaUxK04mY+JHHoqrVhkF OsdajdW3d8Q3DbJ5TZtjP3Iorly0NCPralJl7hCaDH43ILiJgOKSmjf5jv1cM2vhc8Ekmo4+H3w b7tfmZZ7OMBDrEV2sNu7WmhAfT3flBOBslWHpQYgMnegdA8sASElEbPW6tALFETk303o/bdA== X-Received: by 2002:a05:600c:6387:b0:485:3983:aba8 with SMTP id 5b1f17b1804b1-4853983ad1amr137276295e9.27.1773162549157; Tue, 10 Mar 2026 10:09:09 -0700 (PDT) From: Oleksii Kurochko To: xen-devel@lists.xenproject.org Cc: Romain Caritey , Oleksii Kurochko , Alistair Francis , Connor Davis , Andrew Cooper , Anthony PERARD , Michal Orzel , Jan Beulich , Julien Grall , =?UTF-8?q?Roger=20Pau=20Monn=C3=A9?= , Stefano Stabellini Subject: [PATCH v1 00/27] [RISC-V] Introduce enablemenant of dom0less Date: Tue, 10 Mar 2026 18:08:33 +0100 Message-ID: X-Mailer: git-send-email 2.53.0 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit This patch series reprensent a bunch of patches necessary to enable common part of Dom0less. The stuff necessary to start/launch domains will be introduced separately. This patch series is based on [1], but a lot of patch could go even without it. [1] https://lore.kernel.org/xen-devel/cover.1770821989.git.oleksii.kurochko@gmail.com/ Oleksii Kurochko (27): xen/riscv: Implement ARCH_PAGING_MEMPOOL xen/riscv: Implement construct_domain() xen/riscv: implement prerequisites for domain_create() xen/riscv: rework G-stage mode handling xen/riscv: introduce guest riscv,isa string xen/riscv: implement make_cpus_node() xen/riscv: implement make_timer_node() xen/riscv: implement make_arch_nodes() xen/riscv: implement make_intc_domU_node() xen/riscv: generate IMSIC DT node for guest domains xen/riscv: create APLIC DT node for guest domains xen/riscv: introduce aia_init() and aia_available() xen/riscv: add basic VGEIN management for AIA guests xen/riscv: introduce per-vCPU IMSIC state xen/riscv: add very early virtual APLIC (vAPLIC) initialization support xen/riscv: implement IRQ mapping for device passthrough xen/riscv: add missing APLIC register offsets, masks to asm/aplic.h. xen/riscv: add vaplic access check xen/riscv: emulate guest writes to virtual APLIC MMIO xen/riscv: emulate guest reads from virtual APLIC MMIO xen/riscv: introduce (de)initialization helpers for vINTC xen/riscv: implement init_intc_phandle() xen/riscv: call do_initcalls() in start_xen() xen/riscv: init rcu xen/riscv: setup system domains xen/riscv: provide init_vuart() xen/riscv: add initial dom0less infrastructure support xen/arch/riscv/Kconfig | 2 + xen/arch/riscv/Makefile | 6 +- xen/arch/riscv/aia.c | 135 +++++++ xen/arch/riscv/aplic.c | 83 +++++ xen/arch/riscv/cpufeature.c | 33 ++ xen/arch/riscv/dom0less-build.c | 63 ++++ xen/arch/riscv/domain-build.c | 175 +++++++++ xen/arch/riscv/domain.c | 41 ++- xen/arch/riscv/imsic.c | 155 ++++++++ xen/arch/riscv/include/asm/aia.h | 28 ++ xen/arch/riscv/include/asm/aplic.h | 37 ++ xen/arch/riscv/include/asm/cpufeature.h | 2 + xen/arch/riscv/include/asm/domain.h | 17 + xen/arch/riscv/include/asm/imsic.h | 24 ++ xen/arch/riscv/include/asm/intc.h | 51 ++- xen/arch/riscv/include/asm/p2m.h | 9 +- xen/arch/riscv/include/asm/setup.h | 21 +- xen/arch/riscv/include/asm/vaplic.h | 36 ++ xen/arch/riscv/intc.c | 60 ++++ xen/arch/riscv/p2m.c | 91 +++-- xen/arch/riscv/setup.c | 14 + xen/arch/riscv/stubs.c | 9 +- xen/arch/riscv/vaplic.c | 449 ++++++++++++++++++++++++ xen/arch/riscv/vmid.c | 2 +- xen/include/public/arch-riscv.h | 3 + xen/include/public/device_tree_defs.h | 1 + 26 files changed, 1488 insertions(+), 59 deletions(-) create mode 100644 xen/arch/riscv/aia.c create mode 100644 xen/arch/riscv/dom0less-build.c create mode 100644 xen/arch/riscv/domain-build.c create mode 100644 xen/arch/riscv/include/asm/aia.h create mode 100644 xen/arch/riscv/include/asm/vaplic.h create mode 100644 xen/arch/riscv/vaplic.c -- 2.53.0