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 16 extern 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 34 extern void _ftrace_caller(unsigned long parent_ip); ftrace_call_adjust(unsigned long addr)35static inline unsigned long ftrace_call_adjust(unsigned long addr) 36 { 37 return addr; 38 } 39 struct dyn_arch_ftrace { 40 }; 41 42 #endif /* CONFIG_DYNAMIC_FTRACE */ 43 44 #endif /* CONFIG_FUNCTION_TRACER */ 45 46 #endif /* __ASM_NDS32_FTRACE_H */ 47