arch/arm/kvm/coproc_a15.c

   1 /*
   2  * Copyright (C) 2012 - Virtual Open Systems and Columbia University
   3  * Authors: Rusty Russell <rusty@rustcorp.au>
   4  *          Christoffer Dall <c.dall@virtualopensystems.com>
   5  *
   6  * This program is free software; you can redistribute it and/or modify
   7  * it under the terms of the GNU General Public License, version 2, as
   8  * published by the Free Software Foundation.
   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
  16  * along with this program; if not, write to the Free Software
  17  * Foundation, 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
  18  */
  19 #include <linux/kvm_host.h>
  20 #include <asm/kvm_coproc.h>
  21 #include <asm/kvm_emulate.h>
  22 #include <linux/init.h>
  23
  24 #include "coproc.h"
  25
  26 /*
  27  * A15-specific CP15 registers.
  28  * CRn denotes the primary register number, but is copied to the CRm in the
  29  * user space API for 64-bit register access in line with the terminology used
  30  * in the ARM ARM.
  31  * Important: Must be sorted ascending by CRn, CRM, Op1, Op2 and with 64-bit
  32  *            registers preceding 32-bit ones.
  33  */
  34 static const struct coproc_reg a15_regs[] = {
  35         /* SCTLR: swapped by interrupt.S. */
  36         { CRn( 1), CRm( 0), Op1( 0), Op2( 0), is32,
  37                         access_vm_reg, reset_val, c1_SCTLR, 0x00C50078 },
  38 };
  39
  40 static struct kvm_coproc_target_table a15_target_table = {
  41         .target = KVM_ARM_TARGET_CORTEX_A15,
  42         .table = a15_regs,
  43         .num = ARRAY_SIZE(a15_regs),
  44 };
  45
  46 static int __init coproc_a15_init(void)
  47 {
  48         kvm_register_target_coproc_table(&a15_target_table);
  49         return 0;
  50 }
  51 late_initcall(coproc_a15_init);