Changeset View
Changeset View
Standalone View
Standalone View
sys/cddl/dev/dtrace/riscv/instr_size.c
- This file was added.
| /* | |||||
| * SPDX-License-Identifier: CDDL 1.0 | |||||
| * | |||||
| * Copyright 2023 Christos Margiolis <christos@FreeBSD.org> | |||||
| */ | |||||
| #include <sys/types.h> | |||||
| #include <sys/dtrace.h> | |||||
| #include <machine/riscvreg.h> | |||||
| #define RVC_MASK 0x03 | |||||
| int | |||||
| dtrace_instr_size(uint8_t *instr) | |||||
| { | |||||
| /* Detect compressed instructions. */ | |||||
| if ((~(*instr) & RVC_MASK) == 0) | |||||
| return (INSN_SIZE); | |||||
| else | |||||
| return (INSN_C_SIZE); | |||||
| } | |||||