Add qemu 2.4.0

[kvmfornfv.git] / qemu / target-arm / arm_ldst.h

diff --git a/qemu/target-arm/arm_ldst.h b/qemu/target-arm/arm_ldst.h
new file mode 100644 (file)
index 0000000..b1ece01
--- /dev/null
+++ b/qemu/target-arm/arm_ldst.h
@@ -0,0 +1,48 @@
+/*
+ * ARM load/store instructions for code (armeb-user support)
+ *
+ *  Copyright (c) 2012 CodeSourcery, LLC
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library 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
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef ARM_LDST_H
+#define ARM_LDST_H
+
+#include "exec/cpu_ldst.h"
+#include "qemu/bswap.h"
+
+/* Load an instruction and return it in the standard little-endian order */
+static inline uint32_t arm_ldl_code(CPUARMState *env, target_ulong addr,
+                                    bool do_swap)
+{
+    uint32_t insn = cpu_ldl_code(env, addr);
+    if (do_swap) {
+        return bswap32(insn);
+    }
+    return insn;
+}
+
+/* Ditto, for a halfword (Thumb) instruction */
+static inline uint16_t arm_lduw_code(CPUARMState *env, target_ulong addr,
+                                     bool do_swap)
+{
+    uint16_t insn = cpu_lduw_code(env, addr);
+    if (do_swap) {
+        return bswap16(insn);
+    }
+    return insn;
+}
+
+#endif