LXR linux/arch/arm/kvm/coproc

   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 */
  25static 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
  31static 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
  37static int __init coproc_a7_init(void)
  38{
  39        kvm_register_target_coproc_table(&a7_target_table);
  40        return 0;
  41}
  42late_initcall(coproc_a7_init);
  43