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diff --git a/plugins/arm/v7/opdefs/B934_hvc.d b/plugins/arm/v7/opdefs/B934_hvc.d
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+
+/* Chrysalide - Outil d'analyse de fichiers binaires
+ * ##FILE## - traduction d'instructions ARMv7
+ *
+ * Copyright (C) 2017 Cyrille Bagard
+ *
+ *  This file is part of Chrysalide.
+ *
+ *  Chrysalide is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation; either version 3 of the License, or
+ *  (at your option) any later version.
+ *
+ *  Chrysalide 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 Chrysalide.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+
+@title HVC
+
+@id 355
+
+@desc {
+
+	Hypervisor Call causes a Hypervisor Call exception. For more information see Hypervisor Call (HVC) exception on page B1-1211. Non-secure software executing at PL1 can use this instruction to call the hypervisor to request a service. The HVC instruction is: • UNDEFINED in Secure state, and in User mode in Non-secure state • when SCR.HCE is set to 0, UNDEFINED in Non-secure PL1 modes and UNPREDICTABLE in Hyp mode • UNPREDICTABLE in Debug state. On executing an HVC instruction, the HSR reports the exception as a Hypervisor Call exception, using the EC value 0x12, and captures the value of the immediate argument, see Use of the HSR on page B3-1424.
+
+}
+
+@encoding (T1) {
+
+	@word 1 1 1 1 0 1 1 1 1 1 1 0 imm4(4) 1 0 0 0 imm12(12)
+
+	@syntax {
+
+		@subid 1998
+
+		@conv {
+
+			imm16 = UInt(imm4:imm12)
+
+		}
+
+		@asm hvc imm16
+
+	}
+
+}
+
+@encoding (A1) {
+
+	@word cond(4) 0 0 0 1 0 1 0 0 imm12(12) 0 1 1 1 imm4(4)
+
+	@syntax {
+
+		@subid 1999
+
+		@conv {
+
+			imm16 = UInt(imm12:imm4)
+
+		}
+
+		@asm hvc imm16
+
+	}
+
+}
+