1/* SPDX-License-Identifier: GPL-2.0 */
2
3#ifndef __ASM_NDS32_FTRACE_H
4#define __ASM_NDS32_FTRACE_H
5
6#ifdef CONFIG_FUNCTION_TRACER
7
8#define HAVE_FUNCTION_GRAPH_FP_TEST
9
10#define MCOUNT_ADDR ((unsigned long)(_mcount))
11/* mcount call is composed of three instructions:
12 * sethi + ori + jral
13 */
14#define MCOUNT_INSN_SIZE 12
15
16extern void _mcount(unsigned long parent_ip);
17
18#ifdef CONFIG_DYNAMIC_FTRACE
19
20#define FTRACE_ADDR ((unsigned long)_ftrace_caller)
21
22#ifdef __NDS32_EL__
23#define INSN_NOP		0x09000040
24#define INSN_SIZE(insn)		(((insn & 0x00000080) == 0) ? 4 : 2)
25#define IS_SETHI(insn)		((insn & 0x000000fe) == 0x00000046)
26#define ENDIAN_CONVERT(insn)	be32_to_cpu(insn)
27#else /* __NDS32_EB__ */
28#define INSN_NOP		0x40000009
29#define INSN_SIZE(insn)		(((insn & 0x80000000) == 0) ? 4 : 2)
30#define IS_SETHI(insn)		((insn & 0xfe000000) == 0x46000000)
31#define ENDIAN_CONVERT(insn)	(insn)
32#endif
33
34extern void _ftrace_caller(unsigned long parent_ip);
35static inline unsigned long ftrace_call_adjust(unsigned long addr)
36{
37	return addr;
38}
39struct dyn_arch_ftrace {
40};
41
42#endif /* CONFIG_DYNAMIC_FTRACE */
43
44#endif /* CONFIG_FUNCTION_TRACER */
45
46#endif /* __ASM_NDS32_FTRACE_H */
47