Merge tag 'pull-riscv-to-apply-20250704' of https://github.com/alistair23/qemu into staging

Second RISC-V PR for 10.1

* sstc extension fixes
* Fix zama16b order in isa_edata_arr
* Profile handling fixes
* Extend PMP region up to 64
* Remove capital 'Z' CPU properties
* Add missing named features
* Support atomic instruction fetch (Ziccif)
* Add max_satp_mode from host cpu
* Extend and configure PMP region count
* Fix PPN field of Translation-reponse register
* Use qemu_chr_fe_write_all() in DBCN_CONSOLE_WRITE_BYTE
* Fix fcvt.s.bf16 NaN box checking
* Avoid infinite delay of async xmit function
* Device tree reg cleanups
* Add Kunminghu CPU and platform
* Fix missing exit TB flow for ldff_trans
* Fix migration failure when aia is configured as aplic-imsic
* Fix MEPC/SEPC bit masking for IALIGN
* Add a property to set vill bit on reserved usage of vsetvli instruction
* Add Svrsw60t59b extension support

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* tag 'pull-riscv-to-apply-20250704' of https://github.com/alistair23/qemu: (40 commits)
  target: riscv: Add Svrsw60t59b extension support
  target/riscv: Add a property to set vill bit on reserved usage of vsetvli instruction
  tests/tcg/riscv64: Add test for MEPC bit masking
  target/riscv: Fix MEPC/SEPC bit masking for IALIGN
  migration: Fix migration failure when aia is configured as aplic-imsic
  target/riscv: rvv: Fix missing exit TB flow for ldff_trans
  hw/riscv: Initial support for BOSC's Xiangshan Kunminghu FPGA prototype
  target/riscv: Add BOSC's Xiangshan Kunminghu CPU
  hw/riscv/virt: Use setprop_sized_cells for pcie
  hw/riscv/virt: Use setprop_sized_cells for iommu
  hw/riscv/virt: Use setprop_sized_cells for rtc
  hw/riscv/virt: Use setprop_sized_cells for uart
  hw/riscv/virt: Use setprop_sized_cells for reset
  hw/riscv/virt: Use setprop_sized_cells for virtio
  hw/riscv/virt: Use setprop_sized_cells for plic
  hw/riscv/virt: Use setprop_sized_cells for aclint
  hw/riscv/virt: Use setprop_sized_cells for aplic
  hw/riscv/virt: Use setprop_sized_cells for memory
  hw/riscv/virt: Use setprop_sized_cells for clint
  hw/riscv/virt: Fix clint base address type
  ...

Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>

1 files changed, 68 insertions, 0 deletions

diff --git a/include/hw/riscv/xiangshan_kmh.h b/include/hw/riscv/xiangshan_kmh.h
new file mode 100644
index 0000000..c5dc6b1
--- /dev/null
+++ b/include/hw/riscv/xiangshan_kmh.h
@@ -0,0 +1,68 @@
+/* SPDX-License-Identifier: BSD-2-Clause */
+/*
+ * QEMU RISC-V Board Compatible with the Xiangshan Kunminghu
+ * FPGA prototype platform
+ *
+ * Copyright (c) 2025 Beijing Institute of Open Source Chip (BOSC)
+ *
+ */
+
+#ifndef HW_XIANGSHAN_KMH_H
+#define HW_XIANGSHAN_KMH_H
+
+#include "hw/boards.h"
+#include "hw/riscv/riscv_hart.h"
+
+#define XIANGSHAN_KMH_MAX_CPUS 16
+
+typedef struct XiangshanKmhSoCState {
+    /*< private >*/
+    DeviceState parent_obj;
+
+    /*< public >*/
+    RISCVHartArrayState cpus;
+    DeviceState *irqchip;
+    MemoryRegion rom;
+} XiangshanKmhSoCState;
+
+#define TYPE_XIANGSHAN_KMH_SOC "xiangshan.kunminghu.soc"
+DECLARE_INSTANCE_CHECKER(XiangshanKmhSoCState, XIANGSHAN_KMH_SOC,
+                         TYPE_XIANGSHAN_KMH_SOC)
+
+typedef struct XiangshanKmhState {
+    /*< private >*/
+    MachineState parent_obj;
+
+    /*< public >*/
+    XiangshanKmhSoCState soc;
+} XiangshanKmhState;
+
+#define TYPE_XIANGSHAN_KMH_MACHINE MACHINE_TYPE_NAME("xiangshan-kunminghu")
+DECLARE_INSTANCE_CHECKER(XiangshanKmhState, XIANGSHAN_KMH_MACHINE,
+                         TYPE_XIANGSHAN_KMH_MACHINE)
+
+enum {
+    XIANGSHAN_KMH_ROM,
+    XIANGSHAN_KMH_UART0,
+    XIANGSHAN_KMH_CLINT,
+    XIANGSHAN_KMH_APLIC_M,
+    XIANGSHAN_KMH_APLIC_S,
+    XIANGSHAN_KMH_IMSIC_M,
+    XIANGSHAN_KMH_IMSIC_S,
+    XIANGSHAN_KMH_DRAM,
+};
+
+enum {
+    XIANGSHAN_KMH_UART0_IRQ = 10,
+};
+
+/* Indicating Timebase-freq (1MHZ) */
+#define XIANGSHAN_KMH_CLINT_TIMEBASE_FREQ 1000000
+
+#define XIANGSHAN_KMH_IMSIC_NUM_IDS 255
+#define XIANGSHAN_KMH_IMSIC_NUM_GUESTS 7
+#define XIANGSHAN_KMH_IMSIC_GUEST_BITS 3
+
+#define XIANGSHAN_KMH_APLIC_NUM_SOURCES 96
+
+#endif