include/hw/intc/ibex_plic.h

   1 /*
   2  * QEMU RISC-V lowRISC Ibex PLIC
   3  *
   4  * Copyright (c) 2020 Western Digital
   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_IBEX_PLIC_H
  20 #define HW_IBEX_PLIC_H
  21
  22 #include "hw/sysbus.h"
  23 #include "qom/object.h"
  24
  25 #define TYPE_IBEX_PLIC "ibex-plic"
  26 typedef struct IbexPlicState IbexPlicState;
  27 DECLARE_INSTANCE_CHECKER(IbexPlicState, IBEX_PLIC,
  28                          TYPE_IBEX_PLIC)
  29
  30 struct IbexPlicState {
  31     /*< private >*/
  32     SysBusDevice parent_obj;
  33
  34     /*< public >*/
  35     MemoryRegion mmio;
  36
  37     uint32_t *pending;
  38     uint32_t *claimed;
  39     uint32_t *source;
  40     uint32_t *priority;
  41     uint32_t *enable;
  42     uint32_t threshold;
  43     uint32_t claim;
  44
  45     /* config */
  46     uint32_t num_cpus;
  47     uint32_t num_sources;
  48
  49     uint32_t pending_base;
  50     uint32_t pending_num;
  51
  52     uint32_t source_base;
  53     uint32_t source_num;
  54
  55     uint32_t priority_base;
  56     uint32_t priority_num;
  57
  58     uint32_t enable_base;
  59     uint32_t enable_num;
  60
  61     uint32_t threshold_base;
  62
  63     uint32_t claim_base;
  64 };
  65
  66 #endif /* HW_IBEX_PLIC_H */