| /* SPDX-License-Identifier: GPL-2.0 */ | |
| #ifndef __ASM_NDS32_FTRACE_H | |
| #define __ASM_NDS32_FTRACE_H | |
| #ifdef CONFIG_FUNCTION_TRACER | |
| #define HAVE_FUNCTION_GRAPH_FP_TEST | |
| #define MCOUNT_ADDR ((unsigned long)(_mcount)) | |
| /* mcount call is composed of three instructions: | |
| * sethi + ori + jral | |
| */ | |
| #define MCOUNT_INSN_SIZE 12 | |
| extern void _mcount(unsigned long parent_ip); | |
| #ifdef CONFIG_DYNAMIC_FTRACE | |
| #define FTRACE_ADDR ((unsigned long)_ftrace_caller) | |
| #ifdef __NDS32_EL__ | |
| #define INSN_NOP 0x09000040 | |
| #define INSN_SIZE(insn) (((insn & 0x00000080) == 0) ? 4 : 2) | |
| #define IS_SETHI(insn) ((insn & 0x000000fe) == 0x00000046) | |
| #define ENDIAN_CONVERT(insn) be32_to_cpu(insn) | |
| #else /* __NDS32_EB__ */ | |
| #define INSN_NOP 0x40000009 | |
| #define INSN_SIZE(insn) (((insn & 0x80000000) == 0) ? 4 : 2) | |
| #define IS_SETHI(insn) ((insn & 0xfe000000) == 0x46000000) | |
| #define ENDIAN_CONVERT(insn) (insn) | |
| #endif | |
| extern void _ftrace_caller(unsigned long parent_ip); | |
| static inline unsigned long ftrace_call_adjust(unsigned long addr) | |
| { | |
| return addr; | |
| } | |
| struct dyn_arch_ftrace { | |
| }; | |
| #endif /* CONFIG_DYNAMIC_FTRACE */ | |
| #endif /* CONFIG_FUNCTION_TRACER */ | |
| #endif /* __ASM_NDS32_FTRACE_H */ |