Add the rt linux 4.1.3-rt3 as base

[kvmfornfv.git] / kernel / arch / arm / kvm / coproc_a15.c

diff --git a/kernel/arch/arm/kvm/coproc_a15.c b/kernel/arch/arm/kvm/coproc_a15.c
new file mode 100644 (file)
index 0000000..a713675
--- /dev/null
+++ b/kernel/arch/arm/kvm/coproc_a15.c
@@ -0,0 +1,51 @@
+/*
+ * Copyright (C) 2012 - Virtual Open Systems and Columbia University
+ * Authors: Rusty Russell <rusty@rustcorp.au>
+ *          Christoffer Dall <c.dall@virtualopensystems.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License, version 2, as
+ * published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+ */
+#include <linux/kvm_host.h>
+#include <asm/kvm_coproc.h>
+#include <asm/kvm_emulate.h>
+#include <linux/init.h>
+
+#include "coproc.h"
+
+/*
+ * A15-specific CP15 registers.
+ * CRn denotes the primary register number, but is copied to the CRm in the
+ * user space API for 64-bit register access in line with the terminology used
+ * in the ARM ARM.
+ * Important: Must be sorted ascending by CRn, CRM, Op1, Op2 and with 64-bit
+ *            registers preceding 32-bit ones.
+ */
+static const struct coproc_reg a15_regs[] = {
+       /* SCTLR: swapped by interrupt.S. */
+       { CRn( 1), CRm( 0), Op1( 0), Op2( 0), is32,
+                       access_vm_reg, reset_val, c1_SCTLR, 0x00C50078 },
+};
+
+static struct kvm_coproc_target_table a15_target_table = {
+       .target = KVM_ARM_TARGET_CORTEX_A15,
+       .table = a15_regs,
+       .num = ARRAY_SIZE(a15_regs),
+};
+
+static int __init coproc_a15_init(void)
+{
+       kvm_register_target_coproc_table(&a15_target_table);
+       return 0;
+}
+late_initcall(coproc_a15_init);