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envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=68.232.141.245; envelope-from=prvs=03511bb56=alistair.francis@opensource.wdc.com; helo=esa1.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, T_SCC_BODY_TEXT_LINE=-0.01 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZM-MESSAGEID: 1644626344697100001 Content-Type: text/plain; charset="utf-8" From: Anup Patel We have two new machine options "aia" and "aia-guests" available for the RISC-V virt machine so let's document these options. Signed-off-by: Anup Patel Signed-off-by: Anup Patel Reviewed-by: Alistair Francis Reviewed-by: Frank Chang Message-id: 20220204174700.534953-23-anup@brainfault.org Signed-off-by: Alistair Francis --- docs/system/riscv/virt.rst | 16 ++++++++++++++++ 1 file changed, 16 insertions(+) diff --git a/docs/system/riscv/virt.rst b/docs/system/riscv/virt.rst index fa016584bf..373645513a 100644 --- a/docs/system/riscv/virt.rst +++ b/docs/system/riscv/virt.rst @@ -63,6 +63,22 @@ The following machine-specific options are supported: When this option is "on", ACLINT devices will be emulated instead of SiFive CLINT. When not specified, this option is assumed to be "off". =20 +- aia=3D[none|aplic|aplic-imsic] + + This option allows selecting interrupt controller defined by the AIA + (advanced interrupt architecture) specification. The "aia=3Daplic" selec= ts + APLIC (advanced platform level interrupt controller) to handle wired + interrupts whereas the "aia=3Daplic-imsic" selects APLIC and IMSIC (inco= ming + message signaled interrupt controller) to handle both wired interrupts a= nd + MSIs. When not specified, this option is assumed to be "none" which sele= cts + SiFive PLIC to handle wired interrupts. + +- aia-guests=3Dnnn + + The number of per-HART VS-level AIA IMSIC pages to be emulated for a gue= st + having AIA IMSIC (i.e. "aia=3Daplic-imsic" selected). When not specified, + the default number of per-HART VS-level AIA IMSIC pages is 0. + Running Linux kernel -------------------- =20 --=20 2.34.1