arch/arm/include/asm/opcodes-virt.h

   1 /*
   2  * opcodes-virt.h: Opcode definitions for the ARM virtualization extensions
   3  * Copyright (C) 2012  Linaro Limited
   4  *
   5  * This program is free software; you can redistribute it and/or modify
   6  * it under the terms of the GNU General Public License as published by
   7  * the Free Software Foundation; either version 2 of the License, or
   8  * (at your option) any later version.
   9  *
  10  * This program is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  * GNU General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU General Public License along
  16  * with this program; if not, write to the Free Software Foundation, Inc.,
  17  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  18  */
  19 #ifndef __ASM_ARM_OPCODES_VIRT_H
  20 #define __ASM_ARM_OPCODES_VIRT_H
  21
  22 #include <asm/opcodes.h>
  23
  24 #define __HVC(imm16) __inst_arm_thumb32(                                \
  25         0xE1400070 | (((imm16) & 0xFFF0) << 4) | ((imm16) & 0x000F),    \
  26         0xF7E08000 | (((imm16) & 0xF000) << 4) | ((imm16) & 0x0FFF)     \
  27 )
  28
  29 #define __ERET  __inst_arm_thumb32(                                     \
  30         0xE160006E,                                                     \
  31         0xF3DE8F00                                                      \
  32 )
  33
  34 #define __MSR_ELR_HYP(regnum)   __inst_arm_thumb32(                     \
  35         0xE12EF300 | regnum,                                            \
  36         0xF3808E30 | (regnum << 16)                                     \
  37 )
  38
  39 #endif /* ! __ASM_ARM_OPCODES_VIRT_H */