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torvalds
GitHub Repository: torvalds/linux
 Path: blob/master/arch/hexagon/kernel/vm_ops.S
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/* SPDX-License-Identifier: GPL-2.0-only */

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/*

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 * Hexagon VM instruction support

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 *

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 * Copyright (c) 2010-2011, The Linux Foundation. All rights reserved.

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 */

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#include <linux/linkage.h>

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#include <asm/hexagon_vm.h>

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/*

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 * C wrappers for virtual machine "instructions".  These

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 * could be, and perhaps some day will be, handled as in-line

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 * macros, but for tracing/debugging it's handy to have

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 * a single point of invocation for each of them.

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 * Conveniently, they take parameters and return values

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 * consistent with the ABI calling convention.

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 */

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ENTRY(__vmrte)

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	trap1(#HVM_TRAP1_VMRTE);

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	jumpr	R31;

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ENTRY(__vmsetvec)

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	trap1(#HVM_TRAP1_VMSETVEC);

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	jumpr	R31;

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ENTRY(__vmsetie)

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	trap1(#HVM_TRAP1_VMSETIE);

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	jumpr	R31;

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ENTRY(__vmgetie)

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	trap1(#HVM_TRAP1_VMGETIE);

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	jumpr	R31;

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ENTRY(__vmintop)

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	trap1(#HVM_TRAP1_VMINTOP);

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	jumpr	R31;

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ENTRY(__vmclrmap)

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	trap1(#HVM_TRAP1_VMCLRMAP);

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	jumpr	R31;

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ENTRY(__vmnewmap)

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	r1 = #VM_NEWMAP_TYPE_PGTABLES;

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	trap1(#HVM_TRAP1_VMNEWMAP);

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	jumpr	R31;

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ENTRY(__vmcache)

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	trap1(#HVM_TRAP1_VMCACHE);

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	jumpr	R31;

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ENTRY(__vmgettime)

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	trap1(#HVM_TRAP1_VMGETTIME);

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	jumpr	R31;

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ENTRY(__vmsettime)

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	trap1(#HVM_TRAP1_VMSETTIME);

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	jumpr	R31;

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ENTRY(__vmwait)

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	trap1(#HVM_TRAP1_VMWAIT);

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	jumpr	R31;

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ENTRY(__vmyield)

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	trap1(#HVM_TRAP1_VMYIELD);

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	jumpr	R31;

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ENTRY(__vmstart)

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	trap1(#HVM_TRAP1_VMSTART);

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	jumpr	R31;

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ENTRY(__vmstop)

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	trap1(#HVM_TRAP1_VMSTOP);

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	jumpr	R31;

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ENTRY(__vmvpid)

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	trap1(#HVM_TRAP1_VMVPID);

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	jumpr	R31;

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/*  Probably not actually going to use these; see vm_entry.S  */

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ENTRY(__vmsetregs)

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	trap1(#HVM_TRAP1_VMSETREGS);

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	jumpr	R31;

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ENTRY(__vmgetregs)

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	trap1(#HVM_TRAP1_VMGETREGS);

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	jumpr	R31;

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