1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0 */ 2*4882a593Smuzhiyun 3*4882a593Smuzhiyun #ifndef __ASM_NDS32_FTRACE_H 4*4882a593Smuzhiyun #define __ASM_NDS32_FTRACE_H 5*4882a593Smuzhiyun 6*4882a593Smuzhiyun #ifdef CONFIG_FUNCTION_TRACER 7*4882a593Smuzhiyun 8*4882a593Smuzhiyun #define HAVE_FUNCTION_GRAPH_FP_TEST 9*4882a593Smuzhiyun 10*4882a593Smuzhiyun #define MCOUNT_ADDR ((unsigned long)(_mcount)) 11*4882a593Smuzhiyun /* mcount call is composed of three instructions: 12*4882a593Smuzhiyun * sethi + ori + jral 13*4882a593Smuzhiyun */ 14*4882a593Smuzhiyun #define MCOUNT_INSN_SIZE 12 15*4882a593Smuzhiyun 16*4882a593Smuzhiyun extern void _mcount(unsigned long parent_ip); 17*4882a593Smuzhiyun 18*4882a593Smuzhiyun #ifdef CONFIG_DYNAMIC_FTRACE 19*4882a593Smuzhiyun 20*4882a593Smuzhiyun #define FTRACE_ADDR ((unsigned long)_ftrace_caller) 21*4882a593Smuzhiyun 22*4882a593Smuzhiyun #ifdef __NDS32_EL__ 23*4882a593Smuzhiyun #define INSN_NOP 0x09000040 24*4882a593Smuzhiyun #define INSN_SIZE(insn) (((insn & 0x00000080) == 0) ? 4 : 2) 25*4882a593Smuzhiyun #define IS_SETHI(insn) ((insn & 0x000000fe) == 0x00000046) 26*4882a593Smuzhiyun #define ENDIAN_CONVERT(insn) be32_to_cpu(insn) 27*4882a593Smuzhiyun #else /* __NDS32_EB__ */ 28*4882a593Smuzhiyun #define INSN_NOP 0x40000009 29*4882a593Smuzhiyun #define INSN_SIZE(insn) (((insn & 0x80000000) == 0) ? 4 : 2) 30*4882a593Smuzhiyun #define IS_SETHI(insn) ((insn & 0xfe000000) == 0x46000000) 31*4882a593Smuzhiyun #define ENDIAN_CONVERT(insn) (insn) 32*4882a593Smuzhiyun #endif 33*4882a593Smuzhiyun 34*4882a593Smuzhiyun extern void _ftrace_caller(unsigned long parent_ip); ftrace_call_adjust(unsigned long addr)35*4882a593Smuzhiyunstatic inline unsigned long ftrace_call_adjust(unsigned long addr) 36*4882a593Smuzhiyun { 37*4882a593Smuzhiyun return addr; 38*4882a593Smuzhiyun } 39*4882a593Smuzhiyun struct dyn_arch_ftrace { 40*4882a593Smuzhiyun }; 41*4882a593Smuzhiyun 42*4882a593Smuzhiyun #endif /* CONFIG_DYNAMIC_FTRACE */ 43*4882a593Smuzhiyun 44*4882a593Smuzhiyun #endif /* CONFIG_FUNCTION_TRACER */ 45*4882a593Smuzhiyun 46*4882a593Smuzhiyun #endif /* __ASM_NDS32_FTRACE_H */ 47