1 /* 2 * Copyright © 2015 Intel Corporation 3 * 4 * Permission is hereby granted, free of charge, to any person obtaining a 5 * copy of this software and associated documentation files (the "Software"), 6 * to deal in the Software without restriction, including without limitation 7 * the rights to use, copy, modify, merge, publish, distribute, sublicense, 8 * and/or sell copies of the Software, and to permit persons to whom the 9 * Software is furnished to do so, subject to the following conditions: 10 * 11 * The above copyright notice and this permission notice (including the next 12 * paragraph) shall be included in all copies or substantial portions of the 13 * Software. 14 * 15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 17 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 18 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 19 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING 20 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS 21 * IN THE SOFTWARE. 22 */ 23 24 #ifndef GEN_MACROS_H 25 #define GEN_MACROS_H 26 27 /* Macros for handling per-gen compilation. 28 * 29 * The prefixing macros GENX() and genX() automatically prefix whatever you 30 * give them by GENX_ or genX_ where X is the gen number. 31 * 32 * You can do pseudo-runtime checks in your function such as 33 * 34 * if (GEN_GEN > 8 || GEN_IS_HASWELL) { 35 * // Do something 36 * } 37 * 38 * The contents of the if statement must be valid regardless of gen, but 39 * the if will get compiled away on everything except haswell. 40 * 41 * For places where you really do have a compile-time conflict, you can 42 * use preprocessor logic: 43 * 44 * #if (GEN_GEN > 8 || GEN_IS_HASWELL) 45 * // Do something 46 * #endif 47 * 48 * However, it is strongly recommended that the former be used whenever 49 * possible. 50 */ 51 52 /* Base macro defined on the command line. If we don't have this, we can't 53 * do anything. 54 */ 55 #ifndef GEN_VERSIONx10 56 # error "The GEN_VERSIONx10 macro must be defined" 57 #endif 58 59 #define GEN_GEN ((GEN_VERSIONx10) / 10) 60 #define GEN_IS_HASWELL ((GEN_VERSIONx10) == 75) 61 #define GEN_IS_G4X ((GEN_VERSIONx10) == 45) 62 63 /* Prefixing macros */ 64 #if (GEN_VERSIONx10 == 40) 65 # define GENX(X) GEN4_##X 66 # define genX(x) gen4_##x 67 #elif (GEN_VERSIONx10 == 45) 68 # define GENX(X) GEN45_##X 69 # define genX(x) gen45_##x 70 #elif (GEN_VERSIONx10 == 50) 71 # define GENX(X) GEN5_##X 72 # define genX(x) gen5_##x 73 #elif (GEN_VERSIONx10 == 60) 74 # define GENX(X) GEN6_##X 75 # define genX(x) gen6_##x 76 #elif (GEN_VERSIONx10 == 70) 77 # define GENX(X) GEN7_##X 78 # define genX(x) gen7_##x 79 #elif (GEN_VERSIONx10 == 75) 80 # define GENX(X) GEN75_##X 81 # define genX(x) gen75_##x 82 #elif (GEN_VERSIONx10 == 80) 83 # define GENX(X) GEN8_##X 84 # define genX(x) gen8_##x 85 #elif (GEN_VERSIONx10 == 90) 86 # define GENX(X) GEN9_##X 87 # define genX(x) gen9_##x 88 #elif (GEN_VERSIONx10 == 100) 89 # define GENX(X) GEN10_##X 90 # define genX(x) gen10_##x 91 #else 92 # error "Need to add prefixing macros for this gen" 93 #endif 94 95 #endif /* GEN_MACROS_H */ 96