xref: /openbmc/qemu/target/riscv/pmu.h (revision 93e0932b)
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 #include "qemu/log.h"
20 #include "cpu.h"
21 #include "qemu/main-loop.h"
22 #include "exec/exec-all.h"
23 
24 bool riscv_pmu_ctr_monitor_instructions(CPURISCVState *env,
25                                         uint32_t target_ctr);
26 bool riscv_pmu_ctr_monitor_cycles(CPURISCVState *env,
27                                   uint32_t target_ctr);
28 void riscv_pmu_timer_cb(void *priv);
29 int riscv_pmu_init(RISCVCPU *cpu, int num_counters);
30 int riscv_pmu_update_event_map(CPURISCVState *env, uint64_t value,
31                                uint32_t ctr_idx);
32 int riscv_pmu_incr_ctr(RISCVCPU *cpu, enum riscv_pmu_event_idx event_idx);
33 void riscv_pmu_generate_fdt_node(void *fdt, int num_counters, char *pmu_name);
34 int riscv_pmu_setup_timer(CPURISCVState *env, uint64_t value,
35                           uint32_t ctr_idx);
36