Add the rt linux 4.1.3-rt3 as base

[kvmfornfv.git] / kernel / arch / hexagon / kernel / vm_ops.S

diff --git a/kernel/arch/hexagon/kernel/vm_ops.S b/kernel/arch/hexagon/kernel/vm_ops.S
new file mode 100644 (file)
index 0000000..9fb77b3
--- /dev/null
+++ b/kernel/arch/hexagon/kernel/vm_ops.S
@@ -0,0 +1,102 @@
+/*
+ * Hexagon VM instruction support
+ *
+ * Copyright (c) 2010-2011, The Linux Foundation. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 and
+ * only 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, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+ * 02110-1301, USA.
+ */
+
+#include <linux/linkage.h>
+#include <asm/hexagon_vm.h>
+
+/*
+ * C wrappers for virtual machine "instructions".  These
+ * could be, and perhaps some day will be, handled as in-line
+ * macros, but for tracing/debugging it's handy to have
+ * a single point of invocation for each of them.
+ * Conveniently, they take paramters and return values
+ * consistent with the ABI calling convention.
+ */
+
+ENTRY(__vmrte)
+       trap1(#HVM_TRAP1_VMRTE);
+       jumpr   R31;
+
+ENTRY(__vmsetvec)
+       trap1(#HVM_TRAP1_VMSETVEC);
+       jumpr   R31;
+
+ENTRY(__vmsetie)
+       trap1(#HVM_TRAP1_VMSETIE);
+       jumpr   R31;
+
+ENTRY(__vmgetie)
+       trap1(#HVM_TRAP1_VMGETIE);
+       jumpr   R31;
+
+ENTRY(__vmintop)
+       trap1(#HVM_TRAP1_VMINTOP);
+       jumpr   R31;
+
+ENTRY(__vmclrmap)
+       trap1(#HVM_TRAP1_VMCLRMAP);
+       jumpr   R31;
+
+ENTRY(__vmnewmap)
+       r1 = #VM_NEWMAP_TYPE_PGTABLES;
+       trap1(#HVM_TRAP1_VMNEWMAP);
+       jumpr   R31;
+
+ENTRY(__vmcache)
+       trap1(#HVM_TRAP1_VMCACHE);
+       jumpr   R31;
+
+ENTRY(__vmgettime)
+       trap1(#HVM_TRAP1_VMGETTIME);
+       jumpr   R31;
+
+ENTRY(__vmsettime)
+       trap1(#HVM_TRAP1_VMSETTIME);
+       jumpr   R31;
+
+ENTRY(__vmwait)
+       trap1(#HVM_TRAP1_VMWAIT);
+       jumpr   R31;
+
+ENTRY(__vmyield)
+       trap1(#HVM_TRAP1_VMYIELD);
+       jumpr   R31;
+
+ENTRY(__vmstart)
+       trap1(#HVM_TRAP1_VMSTART);
+       jumpr   R31;
+
+ENTRY(__vmstop)
+       trap1(#HVM_TRAP1_VMSTOP);
+       jumpr   R31;
+
+ENTRY(__vmvpid)
+       trap1(#HVM_TRAP1_VMVPID);
+       jumpr   R31;
+
+/*  Probably not actually going to use these; see vm_entry.S  */
+
+ENTRY(__vmsetregs)
+       trap1(#HVM_TRAP1_VMSETREGS);
+       jumpr   R31;
+
+ENTRY(__vmgetregs)
+       trap1(#HVM_TRAP1_VMGETREGS);
+       jumpr   R31;