import Unicorn2

qemu/target/arm/psci.c

@@ -0,0 +1,54 @@
+/*
+ * Copyright (C) 2014 - Linaro
+ * Author: Rob Herring <rob.herring@linaro.org>
+ *
+ *  This program 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 2 of the License, or
+ *  (at your option) any later version.
+ *
+ *  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, see <http://www.gnu.org/licenses/>.
+ */
+
+#include "qemu/osdep.h"
+#include "cpu.h"
+#include "exec/helper-proto.h"
+#include "internals.h"
+
+bool arm_is_psci_call(ARMCPU *cpu, int excp_type)
+{
+    /* Return true if the r0/x0 value indicates a PSCI call and
+     * the exception type matches the configured PSCI conduit. This is
+     * called before the SMC/HVC instruction is executed, to decide whether
+     * we should treat it as a PSCI call or with the architecturally
+     * defined behaviour for an SMC or HVC (which might be UNDEF or trap
+     * to EL2 or to EL3).
+     */
+
+    switch (excp_type) {
+    case EXCP_HVC:
+        if (cpu->psci_conduit != QEMU_PSCI_CONDUIT_HVC) {
+            return false;
+        }
+        break;
+    case EXCP_SMC:
+        if (cpu->psci_conduit != QEMU_PSCI_CONDUIT_SMC) {
+            return false;
+        }
+        break;
+    default:
+        return false;
+    }
+
+    return false;
+}
+
+void arm_handle_psci_call(ARMCPU *cpu)
+{
+}