2 * QEMU RISC-V VirtIO machine interface
4 * Copyright (c) 2017 SiFive, Inc.
6 * This program is free software; you can redistribute it and/or modify it
7 * under the terms and conditions of the GNU General Public License,
8 * version 2 or later, as published by the Free Software Foundation.
10 * This program is distributed in the hope it will be useful, but WITHOUT
11 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
12 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
15 * You should have received a copy of the GNU General Public License along with
16 * this program. If not, see <http://www.gnu.org/licenses/>.
19 #ifndef HW_RISCV_VIRT_H
20 #define HW_RISCV_VIRT_H
22 #include "hw/riscv/riscv_hart.h"
23 #include "hw/sysbus.h"
24 #include "hw/block/flash.h"
25 #include "qom/object.h"
27 #define VIRT_CPUS_MAX 8
28 #define VIRT_SOCKETS_MAX 8
30 #define TYPE_RISCV_VIRT_MACHINE MACHINE_TYPE_NAME("virt")
31 typedef struct RISCVVirtState RISCVVirtState
;
32 DECLARE_INSTANCE_CHECKER(RISCVVirtState
, RISCV_VIRT_MACHINE
,
33 TYPE_RISCV_VIRT_MACHINE
)
35 struct RISCVVirtState
{
40 RISCVHartArrayState soc
[VIRT_SOCKETS_MAX
];
41 DeviceState
*plic
[VIRT_SOCKETS_MAX
];
42 PFlashCFI01
*flash
[2];
66 VIRTIO_IRQ
= 1, /* 1 to 8 */
68 PCIE_IRQ
= 0x20, /* 32 to 35 */
69 VIRTIO_NDEV
= 0x35 /* Arbitrary maximum number of interrupts */
72 #define VIRT_PLIC_HART_CONFIG "MS"
73 #define VIRT_PLIC_NUM_SOURCES 127
74 #define VIRT_PLIC_NUM_PRIORITIES 7
75 #define VIRT_PLIC_PRIORITY_BASE 0x04
76 #define VIRT_PLIC_PENDING_BASE 0x1000
77 #define VIRT_PLIC_ENABLE_BASE 0x2000
78 #define VIRT_PLIC_ENABLE_STRIDE 0x80
79 #define VIRT_PLIC_CONTEXT_BASE 0x200000
80 #define VIRT_PLIC_CONTEXT_STRIDE 0x1000
81 #define VIRT_PLIC_SIZE(__num_context) \
82 (VIRT_PLIC_CONTEXT_BASE + (__num_context) * VIRT_PLIC_CONTEXT_STRIDE)
84 #define FDT_PCI_ADDR_CELLS 3
85 #define FDT_PCI_INT_CELLS 1
86 #define FDT_PLIC_ADDR_CELLS 0
87 #define FDT_PLIC_INT_CELLS 1
88 #define FDT_INT_MAP_WIDTH (FDT_PCI_ADDR_CELLS + FDT_PCI_INT_CELLS + 1 + \
89 FDT_PLIC_ADDR_CELLS + FDT_PLIC_INT_CELLS)