target/riscv/pmu.h

   1 /*
   2  * RISC-V PMU header file.
   3  *
   4  * Copyright (c) 2021 Western Digital Corporation or its affiliates.
   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 RISCV_PMU_H
  20 #define RISCV_PMU_H
  21
  22 #include "cpu.h"
  23 #include "qapi/error.h"
  24
  25 bool riscv_pmu_ctr_monitor_instructions(CPURISCVState *env,
  26                                         uint32_t target_ctr);
  27 bool riscv_pmu_ctr_monitor_cycles(CPURISCVState *env,
  28                                   uint32_t target_ctr);
  29 void riscv_pmu_timer_cb(void *priv);
  30 void riscv_pmu_init(RISCVCPU *cpu, Error **errp);
  31 int riscv_pmu_update_event_map(CPURISCVState *env, uint64_t value,
  32                                uint32_t ctr_idx);
  33 int riscv_pmu_incr_ctr(RISCVCPU *cpu, enum riscv_pmu_event_idx event_idx);
  34 void riscv_pmu_generate_fdt_node(void *fdt, uint32_t cmask, char *pmu_name);
  35 int riscv_pmu_setup_timer(CPURISCVState *env, uint64_t value,
  36                           uint32_t ctr_idx);
  37 void riscv_pmu_update_fixed_ctrs(CPURISCVState *env, target_ulong newpriv,
  38                                  bool new_virt);
  39 RISCVException riscv_pmu_read_ctr(CPURISCVState *env, target_ulong *val,
  40                                   bool upper_half, uint32_t ctr_idx);
  41
  42 #endif /* RISCV_PMU_H */