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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 18:49:45 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 18:49:45 +0000
commit2c3c1048746a4622d8c89a29670120dc8fab93c4 (patch)
tree848558de17fb3008cdf4d861b01ac7781903ce39 /arch/hexagon/kernel/vm_ops.S
parentInitial commit. (diff)
downloadlinux-2c3c1048746a4622d8c89a29670120dc8fab93c4.tar.xz
linux-2c3c1048746a4622d8c89a29670120dc8fab93c4.zip
Adding upstream version 6.1.76.upstream/6.1.76
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'arch/hexagon/kernel/vm_ops.S')
-rw-r--r--arch/hexagon/kernel/vm_ops.S89
1 files changed, 89 insertions, 0 deletions
diff --git a/arch/hexagon/kernel/vm_ops.S b/arch/hexagon/kernel/vm_ops.S
new file mode 100644
index 000000000..f61c04d48
--- /dev/null
+++ b/arch/hexagon/kernel/vm_ops.S
@@ -0,0 +1,89 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ * Hexagon VM instruction support
+ *
+ * Copyright (c) 2010-2011, The Linux Foundation. All rights reserved.
+ */
+
+#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 parameters 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;