1/* 2 * arch/arm/include/asm/glue.h 3 * 4 * Copyright (C) 1997-1999 Russell King 5 * Copyright (C) 2000-2002 Deep Blue Solutions Ltd. 6 * 7 * This program is free software; you can redistribute it and/or modify 8 * it under the terms of the GNU General Public License version 2 as 9 * published by the Free Software Foundation. 10 * 11 * This file provides the glue to stick the processor-specific bits 12 * into the kernel in an efficient manner. The idea is to use branches 13 * when we're only targetting one class of TLB, or indirect calls 14 * when we're targetting multiple classes of TLBs. 15 */ 16#ifdef __KERNEL__ 17 18 19#ifdef __STDC__ 20#define ____glue(name,fn) name##fn 21#else 22#define ____glue(name,fn) name/**/fn 23#endif 24#define __glue(name,fn) ____glue(name,fn) 25 26 27 28/* 29 * Data Abort Model 30 * ================ 31 * 32 * We have the following to choose from: 33 * arm6 - ARM6 style 34 * arm7 - ARM7 style 35 * v4_early - ARMv4 without Thumb early abort handler 36 * v4t_late - ARMv4 with Thumb late abort handler 37 * v4t_early - ARMv4 with Thumb early abort handler 38 * v5tej_early - ARMv5 with Thumb and Java early abort handler 39 * xscale - ARMv5 with Thumb with Xscale extensions 40 * v6_early - ARMv6 generic early abort handler 41 * v7_early - ARMv7 generic early abort handler 42 */ 43#undef CPU_DABORT_HANDLER 44#undef MULTI_DABORT 45 46#if defined(CONFIG_CPU_ARM610) 47# ifdef CPU_DABORT_HANDLER 48# define MULTI_DABORT 1 49# else 50# define CPU_DABORT_HANDLER cpu_arm6_data_abort 51# endif 52#endif 53 54#if defined(CONFIG_CPU_ARM710) 55# ifdef CPU_DABORT_HANDLER 56# define MULTI_DABORT 1 57# else 58# define CPU_DABORT_HANDLER cpu_arm7_data_abort 59# endif 60#endif 61 62#ifdef CONFIG_CPU_ABRT_LV4T 63# ifdef CPU_DABORT_HANDLER 64# define MULTI_DABORT 1 65# else 66# define CPU_DABORT_HANDLER v4t_late_abort 67# endif 68#endif 69 70#ifdef CONFIG_CPU_ABRT_EV4 71# ifdef CPU_DABORT_HANDLER 72# define MULTI_DABORT 1 73# else 74# define CPU_DABORT_HANDLER v4_early_abort 75# endif 76#endif 77 78#ifdef CONFIG_CPU_ABRT_EV4T 79# ifdef CPU_DABORT_HANDLER 80# define MULTI_DABORT 1 81# else 82# define CPU_DABORT_HANDLER v4t_early_abort 83# endif 84#endif 85 86#ifdef CONFIG_CPU_ABRT_EV5TJ 87# ifdef CPU_DABORT_HANDLER 88# define MULTI_DABORT 1 89# else 90# define CPU_DABORT_HANDLER v5tj_early_abort 91# endif 92#endif 93 94#ifdef CONFIG_CPU_ABRT_EV5T 95# ifdef CPU_DABORT_HANDLER 96# define MULTI_DABORT 1 97# else 98# define CPU_DABORT_HANDLER v5t_early_abort 99# endif 100#endif 101 102#ifdef CONFIG_CPU_ABRT_EV6 103# ifdef CPU_DABORT_HANDLER 104# define MULTI_DABORT 1 105# else 106# define CPU_DABORT_HANDLER v6_early_abort 107# endif 108#endif 109 110#ifdef CONFIG_CPU_ABRT_EV7 111# ifdef CPU_DABORT_HANDLER 112# define MULTI_DABORT 1 113# else 114# define CPU_DABORT_HANDLER v7_early_abort 115# endif 116#endif 117 118#ifndef CPU_DABORT_HANDLER 119#error Unknown data abort handler type 120#endif 121 122/* 123 * Prefetch Abort Model 124 * ================ 125 * 126 * We have the following to choose from: 127 * legacy - no IFSR, no IFAR 128 * v6 - ARMv6: IFSR, no IFAR 129 * v7 - ARMv7: IFSR and IFAR 130 */ 131 132#undef CPU_PABORT_HANDLER 133#undef MULTI_PABORT 134 135#ifdef CONFIG_CPU_PABRT_LEGACY 136# ifdef CPU_PABORT_HANDLER 137# define MULTI_PABORT 1 138# else 139# define CPU_PABORT_HANDLER legacy_pabort 140# endif 141#endif 142 143#ifdef CONFIG_CPU_PABRT_V6 144# ifdef CPU_PABORT_HANDLER 145# define MULTI_PABORT 1 146# else 147# define CPU_PABORT_HANDLER v6_pabort 148# endif 149#endif 150 151#ifdef CONFIG_CPU_PABRT_V7 152# ifdef CPU_PABORT_HANDLER 153# define MULTI_PABORT 1 154# else 155# define CPU_PABORT_HANDLER v7_pabort 156# endif 157#endif 158 159#ifndef CPU_PABORT_HANDLER 160#error Unknown prefetch abort handler type 161#endif 162 163#endif 164