1 // SPDX-License-Identifier: GPL-2.0 2 #include <string.h> 3 #include <linux/compiler.h> 4 #include <linux/zalloc.h> 5 #include "../disasm.h" 6 7 static 8 const struct ins_ops *riscv64__associate_ins_ops(struct arch *arch, const char *name) 9 { 10 const struct ins_ops *ops = NULL; 11 12 if (!strncmp(name, "jal", 3) || 13 !strncmp(name, "jr", 2) || 14 !strncmp(name, "call", 4)) 15 ops = &call_ops; 16 else if (!strncmp(name, "ret", 3)) 17 ops = &ret_ops; 18 else if (name[0] == 'j' || name[0] == 'b') 19 ops = &jump_ops; 20 else 21 return NULL; 22 23 arch__associate_ins_ops(arch, name, ops); 24 25 return ops; 26 } 27 28 const struct arch *arch__new_riscv64(const struct e_machine_and_e_flags *id, 29 const char *cpuid __maybe_unused) 30 { 31 struct arch *arch = zalloc(sizeof(*arch)); 32 33 if (!arch) 34 return NULL; 35 36 arch->name = "riscv"; 37 arch->id = *id; 38 arch->objdump.comment_char = '#'; 39 arch->associate_instruction_ops = riscv64__associate_ins_ops; 40 return arch; 41 } 42