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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 | /* * linux/include/asm-arm/glue.h * * Copyright (C) 1997-1999 Russell King * Copyright (C) 2000-2002 Deep Blue Solutions Ltd. * * 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 file provides the glue to stick the processor-specific bits * into the kernel in an efficient manner. The idea is to use branches * when we're only targetting one class of TLB, or indirect calls * when we're targetting multiple classes of TLBs. */ #ifdef __KERNEL__ #include <linux/config.h> #ifdef __STDC__ #define ____glue(name,fn) name##fn #else #define ____glue(name,fn) name/**/fn #endif #define __glue(name,fn) ____glue(name,fn) /* * Data Abort Model * ================ * * We have the following to choose from: * arm6 - ARM6 style * arm7 - ARM7 style * v4_early - ARMv4 without Thumb early abort handler * v4t_late - ARMv4 with Thumb late abort handler * v4t_early - ARMv4 with Thumb early abort handler * v5tej_early - ARMv5 with Thumb and Java early abort handler * xscale - ARMv5 with Thumb with Xscale extensions */ #undef CPU_ABORT_HANDLER #undef MULTI_ABORT #if defined(CONFIG_CPU_ARM610) # ifdef CPU_ABORT_HANDLER # define MULTI_ABORT 1 # else # define CPU_ABORT_HANDLER cpu_arm6_data_abort # endif #endif #if defined(CONFIG_CPU_ARM710) # ifdef CPU_ABORT_HANDLER # define MULTI_ABORT 1 # else # define CPU_ABORT_HANDLER cpu_arm7_data_abort # endif #endif #if defined(CONFIG_CPU_ARM720T) # ifdef CPU_ABORT_HANDLER # define MULTI_ABORT 1 # else # define CPU_ABORT_HANDLER v4t_late_abort # endif #endif #if defined(CONFIG_CPU_SA110) || defined(CONFIG_CPU_SA1100) # ifdef CPU_ABORT_HANDLER # define MULTI_ABORT 1 # else # define CPU_ABORT_HANDLER v4_early_abort # endif #endif #if defined(CONFIG_CPU_ARM920T) || defined(CONFIG_CPU_ARM922T) || \ defined(CONFIG_CPU_ARM1020) # ifdef CPU_ABORT_HANDLER # define MULTI_ABORT 1 # else # define CPU_ABORT_HANDLER v4t_early_abort # endif #endif #if defined(CONFIG_CPU_ARM926T) # ifdef CPU_ABORT_HANDLER # define MULTI_ABORT 1 # else # define CPU_ABORT_HANDLER v5tej_early_abort # endif #endif #if defined(CONFIG_CPU_XSCALE) # ifdef CPU_ABORT_HANDLER # define MULTI_ABORT 1 # else # define CPU_ABORT_HANDLER xscale_abort # endif #endif #ifndef CPU_ABORT_HANDLER #error Unknown data abort handler type #endif #endif |