1 // SPDX-License-Identifier: GPL-2.0 2 // Copyright (C) 2019 Hangzhou C-SKY Microsystems co.,ltd. 3 #include <string.h> 4 #include <linux/compiler.h> 5 #include <linux/zalloc.h> 6 #include "../disasm.h" 7 8 static const struct ins_ops *csky__associate_ins_ops(struct arch *arch, 9 const char *name) 10 { 11 const struct ins_ops *ops = NULL; 12 13 /* catch all kind of jumps */ 14 if (!strcmp(name, "bt") || 15 !strcmp(name, "bf") || 16 !strcmp(name, "bez") || 17 !strcmp(name, "bnez") || 18 !strcmp(name, "bnezad") || 19 !strcmp(name, "bhsz") || 20 !strcmp(name, "bhz") || 21 !strcmp(name, "blsz") || 22 !strcmp(name, "blz") || 23 !strcmp(name, "br") || 24 !strcmp(name, "jmpi") || 25 !strcmp(name, "jmp")) 26 ops = &jump_ops; 27 28 /* catch function call */ 29 if (!strcmp(name, "bsr") || 30 !strcmp(name, "jsri") || 31 !strcmp(name, "jsr")) 32 ops = &call_ops; 33 34 /* catch function return */ 35 if (!strcmp(name, "rts")) 36 ops = &ret_ops; 37 38 if (ops) 39 arch__associate_ins_ops(arch, name, ops); 40 return ops; 41 } 42 43 const struct arch *arch__new_csky(const struct e_machine_and_e_flags *id, 44 const char *cpuid __maybe_unused) 45 { 46 struct arch *arch = zalloc(sizeof(*arch)); 47 48 if (!arch) 49 return NULL; 50 51 arch->name = "csky"; 52 arch->id = *id; 53 arch->objdump.comment_char = '/'; 54 arch->associate_instruction_ops = csky__associate_ins_ops; 55 return arch; 56 } 57