| // Copyright 2019 The Go Authors. All rights reserved. | |
| // Use of this source code is governed by a BSD-style | |
| // license that can be found in the LICENSE file. | |
| package cpu | |
| const CacheLinePadSize = 64 | |
| // RISC-V doesn't have a 'cpuid' equivalent. On Linux we rely on the riscv_hwprobe syscall. | |
| func doinit() { | |
| options = []option{ | |
| {Name: "fastmisaligned", Feature: &RISCV64.HasFastMisaligned}, | |
| {Name: "v", Feature: &RISCV64.HasV}, | |
| {Name: "zbb", Feature: &RISCV64.HasZbb}, | |
| } | |
| osInit() | |
| } | |
| func isSet(hwc uint, value uint) bool { | |
| return hwc&value != 0 | |
| } | |