xref: /openbmc/qemu/include/hw/riscv/riscv_hart.h (revision b91a0fa7)
1 /*
2  * QEMU RISC-V Hart Array interface
3  *
4  * Copyright (c) 2017 SiFive, Inc.
5  *
6  * Holds the state of a heterogenous array of RISC-V harts
7  *
8  * This program is free software; you can redistribute it and/or modify it
9  * under the terms and conditions of the GNU General Public License,
10  * version 2 or later, as published by the Free Software Foundation.
11  *
12  * This program is distributed in the hope it will be useful, but WITHOUT
13  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
14  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
15  * more details.
16  *
17  * You should have received a copy of the GNU General Public License along with
18  * this program.  If not, see <http://www.gnu.org/licenses/>.
19  */
20 
21 #ifndef HW_RISCV_HART_H
22 #define HW_RISCV_HART_H
23 
24 #include "hw/sysbus.h"
25 #include "target/riscv/cpu.h"
26 #include "qom/object.h"
27 
28 #define TYPE_RISCV_HART_ARRAY "riscv.hart_array"
29 
30 OBJECT_DECLARE_SIMPLE_TYPE(RISCVHartArrayState, RISCV_HART_ARRAY)
31 
32 struct RISCVHartArrayState {
33     /*< private >*/
34     SysBusDevice parent_obj;
35 
36     /*< public >*/
37     uint32_t num_harts;
38     uint32_t hartid_base;
39     char *cpu_type;
40     uint64_t resetvec;
41     RISCVCPU *harts;
42 };
43 
44 #endif
45