2011-10-31 18:39:14 -05:00
|
|
|
/*
|
|
|
|
|
* Hexagon VM instruction support
|
|
|
|
|
*
|
2012-09-19 16:22:02 -05:00
|
|
|
* Copyright (c) 2010-2011, The Linux Foundation. All rights reserved.
|
2011-10-31 18:39:14 -05:00
|
|
|
*
|
|
|
|
|
* This program is free software; you can redistribute it and/or modify
|
|
|
|
|
* it under the terms of the GNU General Public License version 2 and
|
|
|
|
|
* only version 2 as published by the Free Software Foundation.
|
|
|
|
|
*
|
|
|
|
|
* This program is distributed in the hope that it will be useful,
|
|
|
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
|
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
|
|
|
* GNU General Public License for more details.
|
|
|
|
|
*
|
|
|
|
|
* You should have received a copy of the GNU General Public License
|
|
|
|
|
* along with this program; if not, write to the Free Software
|
|
|
|
|
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
|
|
|
|
|
* 02110-1301, USA.
|
|
|
|
|
*/
|
|
|
|
|
|
|
|
|
|
#include <linux/linkage.h>
|
|
|
|
|
#include <asm/hexagon_vm.h>
|
|
|
|
|
|
|
|
|
|
/*
|
|
|
|
|
* C wrappers for virtual machine "instructions". These
|
|
|
|
|
* could be, and perhaps some day will be, handled as in-line
|
|
|
|
|
* macros, but for tracing/debugging it's handy to have
|
|
|
|
|
* a single point of invocation for each of them.
|
|
|
|
|
* Conveniently, they take paramters and return values
|
|
|
|
|
* consistent with the ABI calling convention.
|
|
|
|
|
*/
|
|
|
|
|
|
|
|
|
|
ENTRY(__vmrte)
|
|
|
|
|
trap1(#HVM_TRAP1_VMRTE);
|
|
|
|
|
jumpr R31;
|
|
|
|
|
|
|
|
|
|
ENTRY(__vmsetvec)
|
|
|
|
|
trap1(#HVM_TRAP1_VMSETVEC);
|
|
|
|
|
jumpr R31;
|
|
|
|
|
|
|
|
|
|
ENTRY(__vmsetie)
|
|
|
|
|
trap1(#HVM_TRAP1_VMSETIE);
|
|
|
|
|
jumpr R31;
|
|
|
|
|
|
|
|
|
|
ENTRY(__vmgetie)
|
|
|
|
|
trap1(#HVM_TRAP1_VMGETIE);
|
|
|
|
|
jumpr R31;
|
|
|
|
|
|
|
|
|
|
ENTRY(__vmintop)
|
|
|
|
|
trap1(#HVM_TRAP1_VMINTOP);
|
|
|
|
|
jumpr R31;
|
|
|
|
|
|
|
|
|
|
ENTRY(__vmclrmap)
|
|
|
|
|
trap1(#HVM_TRAP1_VMCLRMAP);
|
|
|
|
|
jumpr R31;
|
|
|
|
|
|
|
|
|
|
ENTRY(__vmnewmap)
|
|
|
|
|
r1 = #VM_NEWMAP_TYPE_PGTABLES;
|
|
|
|
|
trap1(#HVM_TRAP1_VMNEWMAP);
|
|
|
|
|
jumpr R31;
|
|
|
|
|
|
|
|
|
|
ENTRY(__vmcache)
|
|
|
|
|
trap1(#HVM_TRAP1_VMCACHE);
|
|
|
|
|
jumpr R31;
|
|
|
|
|
|
|
|
|
|
ENTRY(__vmgettime)
|
|
|
|
|
trap1(#HVM_TRAP1_VMGETTIME);
|
|
|
|
|
jumpr R31;
|
|
|
|
|
|
|
|
|
|
ENTRY(__vmsettime)
|
|
|
|
|
trap1(#HVM_TRAP1_VMSETTIME);
|
|
|
|
|
jumpr R31;
|
|
|
|
|
|
|
|
|
|
ENTRY(__vmwait)
|
|
|
|
|
trap1(#HVM_TRAP1_VMWAIT);
|
|
|
|
|
jumpr R31;
|
|
|
|
|
|
|
|
|
|
ENTRY(__vmyield)
|
|
|
|
|
trap1(#HVM_TRAP1_VMYIELD);
|
|
|
|
|
jumpr R31;
|
|
|
|
|
|
|
|
|
|
ENTRY(__vmstart)
|
|
|
|
|
trap1(#HVM_TRAP1_VMSTART);
|
|
|
|
|
jumpr R31;
|
|
|
|
|
|
|
|
|
|
ENTRY(__vmstop)
|
|
|
|
|
trap1(#HVM_TRAP1_VMSTOP);
|
|
|
|
|
jumpr R31;
|
|
|
|
|
|
|
|
|
|
ENTRY(__vmvpid)
|
|
|
|
|
trap1(#HVM_TRAP1_VMVPID);
|
|
|
|
|
jumpr R31;
|
|
|
|
|
|
|
|
|
|
/* Probably not actually going to use these; see vm_entry.S */
|
|
|
|
|
|
|
|
|
|
ENTRY(__vmsetregs)
|
|
|
|
|
trap1(#HVM_TRAP1_VMSETREGS);
|
|
|
|
|
jumpr R31;
|
|
|
|
|
|
|
|
|
|
ENTRY(__vmgetregs)
|
|
|
|
|
trap1(#HVM_TRAP1_VMGETREGS);
|
|
|
|
|
jumpr R31;
|
