mirror of
https://github.com/superseriousbusiness/gotosocial.git
synced 2024-11-23 04:06:39 +00:00
a156188b3e
* update dependencies, bump Go version to 1.19 * bump test image Go version * update golangci-lint * update gotosocial-drone-build * sign * linting, go fmt * update swagger docs * update swagger docs * whitespace * update contributing.md * fuckin whoopsie doopsie * linterino, linteroni * fix followrequest test not starting processor * fix other api/client tests not starting processor * fix remaining tests where processor not started * bump go-runners version * don't check last-webfingered-at, processor may have updated this * update swagger command * update bun to latest version * fix embed to work the same as before with new bun Signed-off-by: kim <grufwub@gmail.com> Co-authored-by: tsmethurst <tobi.smethurst@protonmail.com>
131 lines
3.9 KiB
Go
131 lines
3.9 KiB
Go
// Copyright (c) 2020 Klaus Post, released under MIT License. See LICENSE file.
|
|
|
|
// Copyright 2018 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 located
|
|
// here https://github.com/golang/sys/blob/master/LICENSE
|
|
|
|
package cpuid
|
|
|
|
import (
|
|
"encoding/binary"
|
|
"io/ioutil"
|
|
"runtime"
|
|
)
|
|
|
|
// HWCAP bits.
|
|
const (
|
|
hwcap_FP = 1 << 0
|
|
hwcap_ASIMD = 1 << 1
|
|
hwcap_EVTSTRM = 1 << 2
|
|
hwcap_AES = 1 << 3
|
|
hwcap_PMULL = 1 << 4
|
|
hwcap_SHA1 = 1 << 5
|
|
hwcap_SHA2 = 1 << 6
|
|
hwcap_CRC32 = 1 << 7
|
|
hwcap_ATOMICS = 1 << 8
|
|
hwcap_FPHP = 1 << 9
|
|
hwcap_ASIMDHP = 1 << 10
|
|
hwcap_CPUID = 1 << 11
|
|
hwcap_ASIMDRDM = 1 << 12
|
|
hwcap_JSCVT = 1 << 13
|
|
hwcap_FCMA = 1 << 14
|
|
hwcap_LRCPC = 1 << 15
|
|
hwcap_DCPOP = 1 << 16
|
|
hwcap_SHA3 = 1 << 17
|
|
hwcap_SM3 = 1 << 18
|
|
hwcap_SM4 = 1 << 19
|
|
hwcap_ASIMDDP = 1 << 20
|
|
hwcap_SHA512 = 1 << 21
|
|
hwcap_SVE = 1 << 22
|
|
hwcap_ASIMDFHM = 1 << 23
|
|
)
|
|
|
|
func detectOS(c *CPUInfo) bool {
|
|
// For now assuming no hyperthreading is reasonable.
|
|
c.LogicalCores = runtime.NumCPU()
|
|
c.PhysicalCores = c.LogicalCores
|
|
c.ThreadsPerCore = 1
|
|
if hwcap == 0 {
|
|
// We did not get values from the runtime.
|
|
// Try reading /proc/self/auxv
|
|
|
|
// From https://github.com/golang/sys
|
|
const (
|
|
_AT_HWCAP = 16
|
|
_AT_HWCAP2 = 26
|
|
|
|
uintSize = int(32 << (^uint(0) >> 63))
|
|
)
|
|
|
|
buf, err := ioutil.ReadFile("/proc/self/auxv")
|
|
if err != nil {
|
|
// e.g. on android /proc/self/auxv is not accessible, so silently
|
|
// ignore the error and leave Initialized = false. On some
|
|
// architectures (e.g. arm64) doinit() implements a fallback
|
|
// readout and will set Initialized = true again.
|
|
return false
|
|
}
|
|
bo := binary.LittleEndian
|
|
for len(buf) >= 2*(uintSize/8) {
|
|
var tag, val uint
|
|
switch uintSize {
|
|
case 32:
|
|
tag = uint(bo.Uint32(buf[0:]))
|
|
val = uint(bo.Uint32(buf[4:]))
|
|
buf = buf[8:]
|
|
case 64:
|
|
tag = uint(bo.Uint64(buf[0:]))
|
|
val = uint(bo.Uint64(buf[8:]))
|
|
buf = buf[16:]
|
|
}
|
|
switch tag {
|
|
case _AT_HWCAP:
|
|
hwcap = val
|
|
case _AT_HWCAP2:
|
|
// Not used
|
|
}
|
|
}
|
|
if hwcap == 0 {
|
|
return false
|
|
}
|
|
}
|
|
|
|
// HWCap was populated by the runtime from the auxiliary vector.
|
|
// Use HWCap information since reading aarch64 system registers
|
|
// is not supported in user space on older linux kernels.
|
|
c.featureSet.setIf(isSet(hwcap, hwcap_AES), AESARM)
|
|
c.featureSet.setIf(isSet(hwcap, hwcap_ASIMD), ASIMD)
|
|
c.featureSet.setIf(isSet(hwcap, hwcap_ASIMDDP), ASIMDDP)
|
|
c.featureSet.setIf(isSet(hwcap, hwcap_ASIMDHP), ASIMDHP)
|
|
c.featureSet.setIf(isSet(hwcap, hwcap_ASIMDRDM), ASIMDRDM)
|
|
c.featureSet.setIf(isSet(hwcap, hwcap_CPUID), ARMCPUID)
|
|
c.featureSet.setIf(isSet(hwcap, hwcap_CRC32), CRC32)
|
|
c.featureSet.setIf(isSet(hwcap, hwcap_DCPOP), DCPOP)
|
|
c.featureSet.setIf(isSet(hwcap, hwcap_EVTSTRM), EVTSTRM)
|
|
c.featureSet.setIf(isSet(hwcap, hwcap_FCMA), FCMA)
|
|
c.featureSet.setIf(isSet(hwcap, hwcap_FP), FP)
|
|
c.featureSet.setIf(isSet(hwcap, hwcap_FPHP), FPHP)
|
|
c.featureSet.setIf(isSet(hwcap, hwcap_JSCVT), JSCVT)
|
|
c.featureSet.setIf(isSet(hwcap, hwcap_LRCPC), LRCPC)
|
|
c.featureSet.setIf(isSet(hwcap, hwcap_PMULL), PMULL)
|
|
c.featureSet.setIf(isSet(hwcap, hwcap_SHA1), SHA1)
|
|
c.featureSet.setIf(isSet(hwcap, hwcap_SHA2), SHA2)
|
|
c.featureSet.setIf(isSet(hwcap, hwcap_SHA3), SHA3)
|
|
c.featureSet.setIf(isSet(hwcap, hwcap_SHA512), SHA512)
|
|
c.featureSet.setIf(isSet(hwcap, hwcap_SM3), SM3)
|
|
c.featureSet.setIf(isSet(hwcap, hwcap_SM4), SM4)
|
|
c.featureSet.setIf(isSet(hwcap, hwcap_SVE), SVE)
|
|
|
|
// The Samsung S9+ kernel reports support for atomics, but not all cores
|
|
// actually support them, resulting in SIGILL. See issue #28431.
|
|
// TODO(elias.naur): Only disable the optimization on bad chipsets on android.
|
|
c.featureSet.setIf(isSet(hwcap, hwcap_ATOMICS) && runtime.GOOS != "android", ATOMICS)
|
|
|
|
return true
|
|
}
|
|
|
|
func isSet(hwc uint, value uint) bool {
|
|
return hwc&value != 0
|
|
}
|