ec1f89217a
Full Mattermost server source with integrated Community Enterprise features. Includes vendor directory for offline/air-gapped builds. Structure: - enterprise-impl/: Enterprise feature implementations - enterprise-community/: Init files that register implementations - enterprise/: Bridge imports (community_imports.go) - vendor/: All dependencies for offline builds Build (online): go build ./cmd/mattermost Build (offline/air-gapped): go build -mod=vendor ./cmd/mattermost 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
51 lines
1.4 KiB
Go
51 lines
1.4 KiB
Go
// Copyright 2022 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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//go:build loong64
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package cpu
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const cacheLineSize = 64
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// Bit fields for CPUCFG registers, Related reference documents:
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// https://loongson.github.io/LoongArch-Documentation/LoongArch-Vol1-EN.html#_cpucfg
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const (
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// CPUCFG1 bits
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cpucfg1_CRC32 = 1 << 25
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// CPUCFG2 bits
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cpucfg2_LAM_BH = 1 << 27
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cpucfg2_LAMCAS = 1 << 28
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)
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func initOptions() {
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options = []option{
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{Name: "lsx", Feature: &Loong64.HasLSX},
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{Name: "lasx", Feature: &Loong64.HasLASX},
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{Name: "crc32", Feature: &Loong64.HasCRC32},
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{Name: "lam_bh", Feature: &Loong64.HasLAM_BH},
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{Name: "lamcas", Feature: &Loong64.HasLAMCAS},
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}
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// The CPUCFG data on Loong64 only reflects the hardware capabilities,
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// not the kernel support status, so features such as LSX and LASX that
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// require kernel support cannot be obtained from the CPUCFG data.
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//
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// These features only require hardware capability support and do not
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// require kernel specific support, so they can be obtained directly
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// through CPUCFG
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cfg1 := get_cpucfg(1)
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cfg2 := get_cpucfg(2)
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Loong64.HasCRC32 = cfgIsSet(cfg1, cpucfg1_CRC32)
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Loong64.HasLAMCAS = cfgIsSet(cfg2, cpucfg2_LAMCAS)
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Loong64.HasLAM_BH = cfgIsSet(cfg2, cpucfg2_LAM_BH)
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}
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func get_cpucfg(reg uint32) uint32
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func cfgIsSet(cfg uint32, val uint32) bool {
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return cfg&val != 0
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}
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