arch/arm/kvm/coproc_a7.c

   1 // SPDX-License-Identifier: GPL-2.0-only
   2 /*
   3  * Copyright (C) 2012 - Virtual Open Systems and Columbia University
   4  * Copyright (C) 2013 - ARM Ltd
   5  *
   6  * Authors: Rusty Russell <rusty@rustcorp.au>
   7  *          Christoffer Dall <c.dall@virtualopensystems.com>
   8  *          Jonathan Austin <jonathan.austin@arm.com>
   9  */
  10 #include <linux/kvm_host.h>
  11 #include <asm/kvm_coproc.h>
  12 #include <asm/kvm_emulate.h>
  13 #include <linux/init.h>
  14
  15 #include "coproc.h"
  16
  17 /*
  18  * Cortex-A7 specific CP15 registers.
  19  * CRn denotes the primary register number, but is copied to the CRm in the
  20  * user space API for 64-bit register access in line with the terminology used
  21  * in the ARM ARM.
  22  * Important: Must be sorted ascending by CRn, CRM, Op1, Op2 and with 64-bit
  23  *            registers preceding 32-bit ones.
  24  */
  25 static const struct coproc_reg a7_regs[] = {
  26         /* SCTLR: swapped by interrupt.S. */
  27         { CRn( 1), CRm( 0), Op1( 0), Op2( 0), is32,
  28                         access_vm_reg, reset_val, c1_SCTLR, 0x00C50878 },
  29 };
  30
  31 static struct kvm_coproc_target_table a7_target_table = {
  32         .target = KVM_ARM_TARGET_CORTEX_A7,
  33         .table = a7_regs,
  34         .num = ARRAY_SIZE(a7_regs),
  35 };
  36
  37 static int __init coproc_a7_init(void)
  38 {
  39         kvm_register_target_coproc_table(&a7_target_table);
  40         return 0;
  41 }
  42 late_initcall(coproc_a7_init);