xref: /openbmc/qemu/target/riscv/pmu.h (revision 056b779e)
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 */
43