virt.h (2596B)
1/* 2 * QEMU RISC-V VirtIO machine interface 3 * 4 * Copyright (c) 2017 SiFive, Inc. 5 * 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. 9 * 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 13 * more details. 14 * 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/>. 17 */ 18 19#ifndef HW_RISCV_VIRT_H 20#define HW_RISCV_VIRT_H 21 22#include "hw/riscv/riscv_hart.h" 23#include "hw/sysbus.h" 24#include "hw/block/flash.h" 25#include "qom/object.h" 26 27#define VIRT_CPUS_MAX 8 28#define VIRT_SOCKETS_MAX 8 29 30#define TYPE_RISCV_VIRT_MACHINE MACHINE_TYPE_NAME("virt") 31typedef struct RISCVVirtState RISCVVirtState; 32DECLARE_INSTANCE_CHECKER(RISCVVirtState, RISCV_VIRT_MACHINE, 33 TYPE_RISCV_VIRT_MACHINE) 34 35struct RISCVVirtState { 36 /*< private >*/ 37 MachineState parent; 38 39 /*< public >*/ 40 RISCVHartArrayState soc[VIRT_SOCKETS_MAX]; 41 DeviceState *plic[VIRT_SOCKETS_MAX]; 42 PFlashCFI01 *flash[2]; 43 FWCfgState *fw_cfg; 44 45 int fdt_size; 46 bool have_aclint; 47}; 48 49enum { 50 VIRT_DEBUG, 51 VIRT_MROM, 52 VIRT_TEST, 53 VIRT_RTC, 54 VIRT_CLINT, 55 VIRT_ACLINT_SSWI, 56 VIRT_PLIC, 57 VIRT_UART0, 58 VIRT_VIRTIO, 59 VIRT_FW_CFG, 60 VIRT_FLASH, 61 VIRT_DRAM, 62 VIRT_PCIE_MMIO, 63 VIRT_PCIE_PIO, 64 VIRT_PCIE_ECAM 65}; 66 67enum { 68 UART0_IRQ = 10, 69 RTC_IRQ = 11, 70 VIRTIO_IRQ = 1, /* 1 to 8 */ 71 VIRTIO_COUNT = 8, 72 PCIE_IRQ = 0x20, /* 32 to 35 */ 73 VIRTIO_NDEV = 0x35 /* Arbitrary maximum number of interrupts */ 74}; 75 76#define VIRT_PLIC_HART_CONFIG "MS" 77#define VIRT_PLIC_NUM_SOURCES 127 78#define VIRT_PLIC_NUM_PRIORITIES 7 79#define VIRT_PLIC_PRIORITY_BASE 0x04 80#define VIRT_PLIC_PENDING_BASE 0x1000 81#define VIRT_PLIC_ENABLE_BASE 0x2000 82#define VIRT_PLIC_ENABLE_STRIDE 0x80 83#define VIRT_PLIC_CONTEXT_BASE 0x200000 84#define VIRT_PLIC_CONTEXT_STRIDE 0x1000 85#define VIRT_PLIC_SIZE(__num_context) \ 86 (VIRT_PLIC_CONTEXT_BASE + (__num_context) * VIRT_PLIC_CONTEXT_STRIDE) 87 88#define FDT_PCI_ADDR_CELLS 3 89#define FDT_PCI_INT_CELLS 1 90#define FDT_PLIC_ADDR_CELLS 0 91#define FDT_PLIC_INT_CELLS 1 92#define FDT_INT_MAP_WIDTH (FDT_PCI_ADDR_CELLS + FDT_PCI_INT_CELLS + 1 + \ 93 FDT_PLIC_ADDR_CELLS + FDT_PLIC_INT_CELLS) 94 95#endif