| yu.dong | c33b307 | 2024-08-21 23:14:49 -0700 | [diff] [blame^] | 1 | /***************************************************************************** |
| 2 | * Copyright Statement: |
| 3 | * -------------------- |
| 4 | * This software is protected by Copyright and the information contained |
| 5 | * herein is confidential. The software may not be copied and the information |
| 6 | * contained herein may not be used or disclosed except with the written |
| 7 | * permission of MediaTek Inc. (C) 2012 |
| 8 | * |
| 9 | * BY OPENING THIS FILE, BUYER HEREBY UNEQUIVOCALLY ACKNOWLEDGES AND AGREES |
| 10 | * THAT THE SOFTWARE/FIRMWARE AND ITS DOCUMENTATIONS ("MEDIATEK SOFTWARE") |
| 11 | * RECEIVED FROM MEDIATEK AND/OR ITS REPRESENTATIVES ARE PROVIDED TO BUYER ON |
| 12 | * AN "AS-IS" BASIS ONLY. MEDIATEK EXPRESSLY DISCLAIMS ANY AND ALL WARRANTIES, |
| 13 | * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE IMPLIED WARRANTIES OF |
| 14 | * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE OR NONINFRINGEMENT. |
| 15 | * NEITHER DOES MEDIATEK PROVIDE ANY WARRANTY WHATSOEVER WITH RESPECT TO THE |
| 16 | * SOFTWARE OF ANY THIRD PARTY WHICH MAY BE USED BY, INCORPORATED IN, OR |
| 17 | * SUPPLIED WITH THE MEDIATEK SOFTWARE, AND BUYER AGREES TO LOOK ONLY TO SUCH |
| 18 | * THIRD PARTY FOR ANY WARRANTY CLAIM RELATING THERETO. MEDIATEK SHALL ALSO |
| 19 | * NOT BE RESPONSIBLE FOR ANY MEDIATEK SOFTWARE RELEASES MADE TO BUYER'S |
| 20 | * SPECIFICATION OR TO CONFORM TO A PARTICULAR STANDARD OR OPEN FORUM. |
| 21 | * |
| 22 | * BUYER'S SOLE AND EXCLUSIVE REMEDY AND MEDIATEK'S ENTIRE AND CUMULATIVE |
| 23 | * LIABILITY WITH RESPECT TO THE MEDIATEK SOFTWARE RELEASED HEREUNDER WILL BE, |
| 24 | * AT MEDIATEK'S OPTION, TO REVISE OR REPLACE THE MEDIATEK SOFTWARE AT ISSUE, |
| 25 | * OR REFUND ANY SOFTWARE LICENSE FEES OR SERVICE CHARGE PAID BY BUYER TO |
| 26 | * MEDIATEK FOR SUCH MEDIATEK SOFTWARE AT ISSUE. |
| 27 | * |
| 28 | * THE TRANSACTION CONTEMPLATED HEREUNDER SHALL BE CONSTRUED IN ACCORDANCE |
| 29 | * WITH THE LAWS OF THE STATE OF CALIFORNIA, USA, EXCLUDING ITS CONFLICT OF |
| 30 | * LAWS PRINCIPLES. ANY DISPUTES, CONTROVERSIES OR CLAIMS ARISING THEREOF AND |
| 31 | * RELATED THERETO SHALL BE SETTLED BY ARBITRATION IN SAN FRANCISCO, CA, UNDER |
| 32 | * THE RULES OF THE INTERNATIONAL CHAMBER OF COMMERCE (ICC). |
| 33 | * |
| 34 | *****************************************************************************/ |
| 35 | |
| 36 | /******************************************************************************* |
| 37 | * Filename: |
| 38 | * --------- |
| 39 | * binnum.h |
| 40 | * |
| 41 | * Project: |
| 42 | * -------- |
| 43 | * MOLY |
| 44 | * |
| 45 | * Description: |
| 46 | * ------------ |
| 47 | * |
| 48 | * |
| 49 | * Author: |
| 50 | * ------- |
| 51 | * ------- |
| 52 | * |
| 53 | * |
| 54 | * ========================================================================== |
| 55 | * $Log$ |
| 56 | ****************************************************************************/ |
| 57 | /** |
| 58 | * @file binnum.h |
| 59 | * @brief binary number utilities |
| 60 | * @author Howard Chen |
| 61 | * |
| 62 | */ |
| 63 | #ifndef BINNUM_DEF |
| 64 | #define BINNUM_DEF |
| 65 | |
| 66 | #define BU_LOG2(_v) (((_v)==64)? 6: \ |
| 67 | ((_v)==32)? 5: \ |
| 68 | ((_v)==16)? 4: \ |
| 69 | ((_v)==8)? 3: \ |
| 70 | ((_v)==4)? 2: \ |
| 71 | ((_v)==2)? 1: \ |
| 72 | ((_v)==0)? 0: -1) |
| 73 | |
| 74 | #define BU_T_MSK(_n) ((1<<(_n))-1) |
| 75 | #define BU_F_MSK(_ms,_ls) (BU_T_MSK((_ms)-(_ls)+1)<<(_ls)) |
| 76 | #define BU_B_MSK(_n) (1 << (_n)) |
| 77 | #define BU_WID(_ms,_ls) ((_ms)-(_ls)+1) |
| 78 | |
| 79 | #define BU_ALN(_i, _n) ((_i) & ~BU_T_MSK(_n)) |
| 80 | |
| 81 | #define BU_RUP(_i, _n) BU_ALN((_i)+BU_T_MSK(_n), _n) |
| 82 | |
| 83 | /** |
| 84 | * @brief trucate <_i> to <_n> bits |
| 85 | */ |
| 86 | #define BU_TRU(_i, _n) ((_i) & BU_T_MSK(_n)) |
| 87 | |
| 88 | /** |
| 89 | * @brief get (<_ms>:<_ls>) field |
| 90 | */ |
| 91 | #define BU_G_FLD(_i,_ms,_ls) (((_i)<<(31-(_ms))) >> (31- (_ms) + (_ls))) |
| 92 | |
| 93 | /** |
| 94 | * @brief or (<_ms>:<_ls>) field |
| 95 | */ |
| 96 | #define BU_O_FLD(_i,_ms,_ls,_v) ((_i)|((BU_TRU(_v,BU_WID(_ms,_ls))<<(_ls)))) |
| 97 | |
| 98 | /** |
| 99 | * @brief clean (<_ms>:<_ls>) field |
| 100 | */ |
| 101 | #define BU_C_FLD(_i,_ms,_ls) ((_i) & ~BU_F_MSK(_ms,_ls)) |
| 102 | |
| 103 | /** |
| 104 | * @brief replace (<_ms>:<_ls>) field with <_v> |
| 105 | */ |
| 106 | #define BU_R_FLD(_i,_ms,_ls,_v) ((((_i)&~BU_F_MSK(_ms,_ls)))|((BU_TRU(_v,BU_WID(_ms,_ls))<<(_ls)))) |
| 107 | /** |
| 108 | * @brief get <_n> bit |
| 109 | */ |
| 110 | #define BU_G_BIT(_i,_n) BU_G_FLD(_i, _n, _n) |
| 111 | |
| 112 | /** |
| 113 | * @brief or <_n> bit with 0x1 |
| 114 | */ |
| 115 | #define BU_O_BIT(_i,_n) ((_i) |(1 << (_n))) |
| 116 | |
| 117 | /** |
| 118 | * @brief clean <_n> bit |
| 119 | */ |
| 120 | #define BU_C_BIT(_i,_n) ((_i) & ~BU_B_MSK(_n)) |
| 121 | |
| 122 | /** |
| 123 | * @brief replace <_n> bit with <_v> |
| 124 | */ |
| 125 | #define BU_R_BIT(_i,_n,_v) (((_i)&~BU_B_MSK(_n))|(((_v)&0x1)<<(_n))) |
| 126 | |
| 127 | #endif |