1 /*
2  * Copyright (c) 2018, ARM Limited and Contributors. All rights reserved.
3  *
4  * SPDX-License-Identifier: BSD-3-Clause
5  */
6 
7 #ifndef CPUAMU_H
8 #define CPUAMU_H
9 
10 /*******************************************************************************
11  * CPU Activity Monitor Unit register specific definitions.
12  ******************************************************************************/
13 #define CPUAMCNTENCLR_EL0	S3_3_C15_C9_7
14 #define CPUAMCNTENSET_EL0	S3_3_C15_C9_6
15 #define CPUAMCFGR_EL0		S3_3_C15_C10_6
16 #define CPUAMUSERENR_EL0	S3_3_C15_C10_7
17 
18 /* Activity Monitor Event Counter Registers */
19 #define CPUAMEVCNTR0_EL0	S3_3_C15_C9_0
20 #define CPUAMEVCNTR1_EL0	S3_3_C15_C9_1
21 #define CPUAMEVCNTR2_EL0	S3_3_C15_C9_2
22 #define CPUAMEVCNTR3_EL0	S3_3_C15_C9_3
23 #define CPUAMEVCNTR4_EL0	S3_3_C15_C9_4
24 
25 /* Activity Monitor Event Type Registers */
26 #define CPUAMEVTYPER0_EL0	S3_3_C15_C10_0
27 #define CPUAMEVTYPER1_EL0	S3_3_C15_C10_1
28 #define CPUAMEVTYPER2_EL0	S3_3_C15_C10_2
29 #define CPUAMEVTYPER3_EL0	S3_3_C15_C10_3
30 #define CPUAMEVTYPER4_EL0	S3_3_C15_C10_4
31 
32 #ifndef __ASSEMBLER__
33 #include <stdint.h>
34 
35 uint64_t cpuamu_cnt_read(unsigned int idx);
36 void cpuamu_cnt_write(unsigned int idx, uint64_t val);
37 unsigned int cpuamu_read_cpuamcntenset_el0(void);
38 unsigned int cpuamu_read_cpuamcntenclr_el0(void);
39 void cpuamu_write_cpuamcntenset_el0(unsigned int mask);
40 void cpuamu_write_cpuamcntenclr_el0(unsigned int mask);
41 
42 int midr_match(unsigned int cpu_midr);
43 void cpuamu_context_save(unsigned int nr_counters);
44 void cpuamu_context_restore(unsigned int nr_counters);
45 
46 #endif /* __ASSEMBLER__ */
47 
48 #endif /* CPUAMU_H */
49