include/hw/riscv/riscv_hart.h

   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
  27 #define TYPE_RISCV_HART_ARRAY "riscv.hart_array"
  28
  29 #define RISCV_HART_ARRAY(obj) \
  30     OBJECT_CHECK(RISCVHartArrayState, (obj), TYPE_RISCV_HART_ARRAY)
  31
  32 typedef 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     RISCVCPU *harts;
  41 } RISCVHartArrayState;
  42
  43 #endif