| /* |
| <:copyright-BRCM:2016:DUAL/GPL:standard |
| |
| Broadcom Proprietary and Confidential.(c) 2016 Broadcom |
| All Rights Reserved |
| |
| Unless you and Broadcom execute a separate written software license |
| agreement governing use of this software, this software is licensed |
| to you under the terms of the GNU General Public License version 2 |
| (the "GPL"), available at http://www.broadcom.com/licenses/GPLv2.php, |
| with the following added to such license: |
| |
| As a special exception, the copyright holders of this software give |
| you permission to link this software with independent modules, and |
| to copy and distribute the resulting executable under terms of your |
| choice, provided that you also meet, for each linked independent |
| module, the terms and conditions of the license of that module. |
| An independent module is a module which is not derived from this |
| software. The special exception does not apply to any modifications |
| of the software. |
| |
| Not withstanding the above, under no circumstances may you combine |
| this software in any way with any other Broadcom software provided |
| under a license other than the GPL, without Broadcom's express prior |
| written consent. |
| |
| :> |
| */ |
| |
| #ifndef BCMOS_PACK_H_ |
| #define BCMOS_PACK_H_ |
| |
| |
| /* |
| * Packing macros |
| * |
| * Usage: |
| * struct __PACKED_ATTR_START__ my_packed_struct |
| * { |
| * ... |
| * } __PACKED_ATTR_END__ ; |
| * |
| */ |
| |
| #ifdef __GNUC__ |
| |
| #define __PACKED_ATTR_START__ |
| #define __PACKED_ATTR_END__ __attribute__ ((packed)) |
| |
| #else |
| |
| #error define __PACKED_ATTR_START__, __PACKED_ATTR_END__ for this compiler |
| |
| #endif |
| |
| /* |
| * Macros for bit-field manipulation |
| * For each field F requires 2 constants |
| * - F_S - field shift |
| * - F_W - field width |
| */ |
| #define BCM_FIELD_GET(_w, _f) (((_w)>>_f ## _S) & ((1 << _f ## _W) - 1)) |
| #define BCM_FIELD(_f, _v) ((_v & ((1 << _f ## _W) - 1)) << _f ## _S) |
| #define BCM_FIELD_SET(_w, _f, _v) (_w) |= BCM_FIELD(_f, _v) |
| |
| |
| #endif /* BCMOS_PACK_H_ */ |