xref: /qemu/target/riscv/pmu.h (revision 21c06f57808c7236cca68ccc7d8df845c22cd998)
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  
38  #endif /* RISCV_PMU_H */
39