1 files changed, 62 insertions, 0 deletions
diff --git a/drivers/staging/ccree/cc_bitops.h b/drivers/staging/ccree/cc_bitops.h
new file mode 100644
index 0000000..3a39565
--- /dev/null
+++ b/drivers/staging/ccree/cc_bitops.h
@@ -0,0 +1,62 @@
+/*
+ * Copyright (C) 2012-2017 ARM Limited or its affiliates.
+ * 
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ * 
+ * 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/>.
+ */
+
+/*!
+ * \file cc_bitops.h
+ * Bit fields operations macros.
+ */
+#ifndef _CC_BITOPS_H_
+#define _CC_BITOPS_H_
+
+#define BITMASK(mask_size) (((mask_size) < 32) ?	\
+	((1UL << (mask_size)) - 1) : 0xFFFFFFFFUL)
+#define BITMASK_AT(mask_size, mask_offset) (BITMASK(mask_size) << (mask_offset))
+
+#define BITFIELD_GET(word, bit_offset, bit_size) \
+	(((word) >> (bit_offset)) & BITMASK(bit_size))
+#define BITFIELD_SET(word, bit_offset, bit_size, new_val)   do {    \
+	word = ((word) & ~BITMASK_AT(bit_size, bit_offset)) |	    \
+		(((new_val) & BITMASK(bit_size)) << (bit_offset));  \
+} while (0)
+
+/* Is val aligned to "align" ("align" must be power of 2) */
+#ifndef IS_ALIGNED
+#define IS_ALIGNED(val, align)		\
+	(((uintptr_t)(val) & ((align) - 1)) == 0)
+#endif
+
+#define SWAP_ENDIAN(word)		\
+	(((word) >> 24) | (((word) & 0x00FF0000) >> 8) | \
+	(((word) & 0x0000FF00) << 8) | (((word) & 0x000000FF) << 24))
+
+#ifdef BIG__ENDIAN
+#define SWAP_TO_LE(word) SWAP_ENDIAN(word)
+#define SWAP_TO_BE(word) word
+#else
+#define SWAP_TO_LE(word) word
+#define SWAP_TO_BE(word) SWAP_ENDIAN(word)
+#endif
+
+
+
+/* Is val a multiple of "mult" ("mult" must be power of 2) */
+#define IS_MULT(val, mult)              \
+	(((val) & ((mult) - 1)) == 0)
+
+#define IS_NULL_ADDR(adr)		\
+	(!(adr))
+
+#endif /*_CC_BITOPS_H_*/