1 /* ----------------------------------------------------------------------------
2 * Copyright (c) Huawei Technologies Co., Ltd. 2022-2023. All rights reserved.
3 * Description: LiteOS Arch Perf HeadFile
4 * Author: Huawei LiteOS Team
5 * Create: 2022-12-20
6 * Redistribution and use in source and binary forms, with or without modification,
7 * are permitted provided that the following conditions are met:
8 * 1. Redistributions of source code must retain the above copyright notice, this list of
9 * conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright notice, this list
11 * of conditions and the following disclaimer in the documentation and/or other materials
12 * provided with the distribution.
13 * 3. Neither the name of the copyright holder nor the names of its contributors may be used
14 * to endorse or promote products derived from this software without specific prior written
15 * permission.
16 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
17 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
18 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
19 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
20 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
21 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
22 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
23 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
24 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
25 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
26 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 * --------------------------------------------------------------------------- */
28
29 #ifndef _ARCH_PERF_H
30 #define _ARCH_PERF_H
31
32 #include "los_typedef.h"
33 #include "arch/exception.h"
34
35 #ifdef __cplusplus
36 extern "C" {
37 #endif /* __cplusplus */
38
39 #define EVENT_PERIOD_LOWER_BOUND 0x000004FF
40 #define EVENT_PERIOD_UPPER_BOUND 0xFFFFFFFF
41 #define PERIOD_EVENT_CALC(p) (p)
42 #define VALID_EVENT_PERIOD(p) ((p > EVENT_PERIOD_LOWER_BOUND) \
43 && (p < EVENT_PERIOD_UPPER_BOUND))
44
45 #define CYCLE_PERIOD_LOWER_BOUND 0x000004FF
46 #define CYCLE_PERIOD_UPPER_BOUND 0xFFFFFFFF
47 #define PERIOD_CYCLE_CALC(p) PERIOD_EVENT_CALC(p)
48 #define VALID_CYCLE_PERIOD(p) VALID_EVENT_PERIOD(p)
49
50 /* Get Caller's pc and fp in non-irq context */
51 #define OsPerfArchFetchCallerRegs(regs) \
52 do { \
53 (regs)->pc = (UINTPTR)__builtin_return_address(0); \
54 (regs)->fp = (UINTPTR)__builtin_frame_address(0); \
55 } while (0)
56
57 /* Get Caller's pc and fp in irq context */
58 #define OsPerfArchFetchIrqRegs(regs, tcb) \
59 do { \
60 (regs)->pc = (tcb)->pc; \
61 (regs)->fp = (tcb)->fp; \
62 } while (0)
63
ArchPerfBackTraceGet(UINTPTR fp,UINTPTR pc,UINTPTR * callChain,UINT32 maxDepth)64 STATIC INLINE UINT32 ArchPerfBackTraceGet(UINTPTR fp, UINTPTR pc, UINTPTR *callChain, UINT32 maxDepth)
65 {
66 (void)pc;
67 return ArchBackTraceGet(fp, callChain, maxDepth, 0);
68 }
69
70 extern UINT32 OsGetPmuInstretCounter(VOID);
71
72 #ifdef __cplusplus
73 }
74 #endif /* __cplusplus */
75
76 #endif /* _ARCH_PERF_H */
77