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// Copyright 2024 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.

#include "textflag.h"

TEXT 路EnableDIT(SB),$0-1
    MRS DIT, R0
    UBFX $24, R0, $1, R1
    MOVB R1, ret+0(FP)
    MSR $1, DIT
    // TODO(roland): the SB instruction is significantly more
    // performant when available. We should detect its availability
    // and use it when we can.
    DSB $7  // nsh
    ISB $15 // sy
    RET

TEXT 路DITEnabled(SB),$0-1
    MRS DIT, R0
    UBFX $24, R0, $1, R1
    MOVB R1, ret+0(FP)
    RET

TEXT 路DisableDIT(SB),$0
    MSR $0, DIT
    RET