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Diffstat (limited to 'src/ppe/include/proc_hcd_common.H')
| -rw-r--r-- | src/ppe/include/proc_hcd_common.H | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/src/ppe/include/proc_hcd_common.H b/src/ppe/include/proc_hcd_common.H new file mode 100644 index 0000000..7fe5042 --- /dev/null +++ b/src/ppe/include/proc_hcd_common.H @@ -0,0 +1,44 @@ +/* IBM_PROLOG_BEGIN_TAG */ +/* This is an automatically generated prolog. */ +/* */ +/* $Source: src/ppe/include/proc_hcd_common.H $ */ +/* */ +/* OpenPOWER OnChipController Project */ +/* */ +/* Contributors Listed Below - COPYRIGHT 2015 */ +/* [+] International Business Machines Corp. */ +/* */ +/* */ +/* Licensed under the Apache License, Version 2.0 (the "License"); */ +/* you may not use this file except in compliance with the License. */ +/* You may obtain a copy of the License at */ +/* */ +/* http://www.apache.org/licenses/LICENSE-2.0 */ +/* */ +/* Unless required by applicable law or agreed to in writing, software */ +/* distributed under the License is distributed on an "AS IS" BASIS, */ +/* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or */ +/* implied. See the License for the specific language governing */ +/* permissions and limitations under the License. */ +/* */ +/* IBM_PROLOG_END_TAG */ +#ifndef __PROC_HCD_COMMON_H +#define __PROC_HCD_COMMON_H + +/// \file proc_hcd_common.H +/// \brief Standard bit-manipulation macros (C and Assembler) for PORE code + +/// \defgroup be64_bits Bit manipulation for 64-bit Big-Endian values +/// +/// \note These macros only work in the assembler context because we build our +/// assemblers to do 64-bit arithmetic, which is required for PORE assembly. +/// +/// @{ + +/// Create a multi-bit mask of \a n bits starting at bit \a b +#define BITS(b, n) ((ULL(0xffffffffffffffff) << (64 - (n))) >> (b)) + +/// Create a single bit mask at bit \a b +#define BIT(b) BITS((b), 1) + +#endif // __PROC_HCD_COMMON_H |
