arch/arm/kvm/coproc_a15.c

   1 // SPDX-License-Identifier: GPL-2.0-only
   2 /*
   3  * Copyright (C) 2012 - Virtual Open Systems and Columbia University
   4  * Authors: Rusty Russell <rusty@rustcorp.au>
   5  *          Christoffer Dall <c.dall@virtualopensystems.com>
   6  */
   7 #include <linux/kvm_host.h>
   8 #include <asm/kvm_coproc.h>
   9 #include <asm/kvm_emulate.h>
  10 #include <linux/init.h>
  11
  12 #include "coproc.h"
  13
  14 /*
  15  * A15-specific CP15 registers.
  16  * CRn denotes the primary register number, but is copied to the CRm in the
  17  * user space API for 64-bit register access in line with the terminology used
  18  * in the ARM ARM.
  19  * Important: Must be sorted ascending by CRn, CRM, Op1, Op2 and with 64-bit
  20  *            registers preceding 32-bit ones.
  21  */
  22 static const struct coproc_reg a15_regs[] = {
  23         /* SCTLR: swapped by interrupt.S. */
  24         { CRn( 1), CRm( 0), Op1( 0), Op2( 0), is32,
  25                         access_vm_reg, reset_val, c1_SCTLR, 0x00C50078 },
  26 };
  27
  28 static struct kvm_coproc_target_table a15_target_table = {
  29         .target = KVM_ARM_TARGET_CORTEX_A15,
  30         .table = a15_regs,
  31         .num = ARRAY_SIZE(a15_regs),
  32 };
  33
  34 static int __init coproc_a15_init(void)
  35 {
  36         kvm_register_target_coproc_table(&a15_target_table);
  37         return 0;
  38 }
  39 late_initcall(coproc_a15_init);