1 files changed, 53 insertions, 0 deletions
diff --git a/core/arch/arm/include/kernel/misc.h b/core/arch/arm/include/kernel/misc.h
new file mode 100644
index 0000000..a9174a8
--- /dev/null
+++ b/core/arch/arm/include/kernel/misc.h
@@ -0,0 +1,53 @@
+/*
+ * Copyright (c) 2014, STMicroelectronics International N.V.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice,
+ * this list of conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright notice,
+ * this list of conditions and the following disclaimer in the documentation
+ * and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef KERNEL_MISC_H
+#define KERNEL_MISC_H
+
+#include <types_ext.h>
+#include <arm.h>
+#include <kernel/thread.h>
+
+size_t get_core_pos(void);
+
+uint32_t read_mode_sp(int cpu_mode);
+uint32_t read_mode_lr(int cpu_mode);
+
+static inline uint64_t reg_pair_to_64(uint32_t reg0, uint32_t reg1)
+{
+	return (uint64_t)reg0 << 32 | reg1;
+}
+
+static inline void reg_pair_from_64(uint64_t val, uint32_t *reg0,
+			uint32_t *reg1)
+{
+	*reg0 = val >> 32;
+	*reg1 = val;
+}
+
+#endif /*KERNEL_MISC_H*/
+