53 lines
1.4 KiB
Go
53 lines
1.4 KiB
Go
// Copyright 2019 The gVisor Authors.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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// +build arm64
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package ring0
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// CPACREL1 returns the value of the CPACR_EL1 register.
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func CPACREL1() (value uintptr)
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// FPCR returns the value of FPCR register.
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func GetFPCR() (value uintptr)
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// SetFPCR writes the FPCR value.
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func SetFPCR(value uintptr)
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// FPSR returns the value of FPSR register.
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func GetFPSR() (value uintptr)
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// SetFPSR writes the FPSR value.
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func SetFPSR(value uintptr)
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// SaveVRegs saves V0-V31 registers.
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// V0-V31: 32 128-bit registers for floating point and simd.
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func SaveVRegs(*byte)
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// LoadVRegs loads V0-V31 registers.
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func LoadVRegs(*byte)
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// GetTLS returns the value of TPIDR_EL0 register.
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func GetTLS() (value uint64)
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// SetTLS writes the TPIDR_EL0 value.
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func SetTLS(value uint64)
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// Init sets function pointers based on architectural features.
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//
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// This must be called prior to using ring0.
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func Init() {
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rewriteVectors()
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}
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