1/* 2 * arch/xtensa/include/asm/xchal_vaddr_remap.h 3 * 4 * Xtensa macros for MMU V3 Support. Deals with re-mapping the Virtual 5 * Memory Addresses from "Virtual == Physical" to their prevvious V2 MMU 6 * mappings (KSEG at 0xD0000000 and KIO at 0XF0000000). 7 * 8 * This file is subject to the terms and conditions of the GNU General Public 9 * License. See the file "COPYING" in the main directory of this archive 10 * for more details. 11 * 12 * Copyright (C) 2008 - 2012 Tensilica Inc. 13 * 14 * Pete Delaney <piet@tensilica.com> 15 * Marc Gauthier <marc@tensilica.com 16 */ 17 18#ifndef _XTENSA_VECTORS_H 19#define _XTENSA_VECTORS_H 20 21#include <asm/core.h> 22#include <asm/kmem_layout.h> 23 24#if defined(CONFIG_MMU) && XCHAL_HAVE_PTP_MMU && XCHAL_HAVE_SPANNING_WAY 25#ifdef CONFIG_KERNEL_VIRTUAL_ADDRESS 26#define KERNELOFFSET CONFIG_KERNEL_VIRTUAL_ADDRESS 27#else 28#define KERNELOFFSET (CONFIG_KERNEL_LOAD_ADDRESS + \ 29 XCHAL_KSEG_CACHED_VADDR - \ 30 XCHAL_KSEG_PADDR) 31#endif 32#else 33#define KERNELOFFSET CONFIG_KERNEL_LOAD_ADDRESS 34#endif 35 36#define RESET_VECTOR1_VADDR (XCHAL_RESET_VECTOR1_VADDR) 37#ifdef CONFIG_VECTORS_ADDR 38#define VECBASE_VADDR (CONFIG_VECTORS_ADDR) 39#else 40#define VECBASE_VADDR _vecbase 41#endif 42 43#if XCHAL_HAVE_VECBASE 44 45#define VECTOR_VADDR(offset) (VECBASE_VADDR + offset) 46 47#define USER_VECTOR_VADDR VECTOR_VADDR(XCHAL_USER_VECOFS) 48#define KERNEL_VECTOR_VADDR VECTOR_VADDR(XCHAL_KERNEL_VECOFS) 49#define DOUBLEEXC_VECTOR_VADDR VECTOR_VADDR(XCHAL_DOUBLEEXC_VECOFS) 50#define WINDOW_VECTORS_VADDR VECTOR_VADDR(XCHAL_WINDOW_OF4_VECOFS) 51#define INTLEVEL2_VECTOR_VADDR VECTOR_VADDR(XCHAL_INTLEVEL2_VECOFS) 52#define INTLEVEL3_VECTOR_VADDR VECTOR_VADDR(XCHAL_INTLEVEL3_VECOFS) 53#define INTLEVEL4_VECTOR_VADDR VECTOR_VADDR(XCHAL_INTLEVEL4_VECOFS) 54#define INTLEVEL5_VECTOR_VADDR VECTOR_VADDR(XCHAL_INTLEVEL5_VECOFS) 55#define INTLEVEL6_VECTOR_VADDR VECTOR_VADDR(XCHAL_INTLEVEL6_VECOFS) 56#define INTLEVEL7_VECTOR_VADDR VECTOR_VADDR(XCHAL_INTLEVEL7_VECOFS) 57#define DEBUG_VECTOR_VADDR VECTOR_VADDR(XCHAL_DEBUG_VECOFS) 58 59/* 60 * These XCHAL_* #defines from varian/core.h 61 * are not valid to use with V3 MMU. Non-XCHAL 62 * constants are defined above and should be used. 63 */ 64#undef XCHAL_VECBASE_RESET_VADDR 65#undef XCHAL_USER_VECTOR_VADDR 66#undef XCHAL_KERNEL_VECTOR_VADDR 67#undef XCHAL_DOUBLEEXC_VECTOR_VADDR 68#undef XCHAL_WINDOW_VECTORS_VADDR 69#undef XCHAL_INTLEVEL2_VECTOR_VADDR 70#undef XCHAL_INTLEVEL3_VECTOR_VADDR 71#undef XCHAL_INTLEVEL4_VECTOR_VADDR 72#undef XCHAL_INTLEVEL5_VECTOR_VADDR 73#undef XCHAL_INTLEVEL6_VECTOR_VADDR 74#undef XCHAL_INTLEVEL7_VECTOR_VADDR 75#undef XCHAL_DEBUG_VECTOR_VADDR 76 77#else 78 79#define USER_VECTOR_VADDR XCHAL_USER_VECTOR_VADDR 80#define KERNEL_VECTOR_VADDR XCHAL_KERNEL_VECTOR_VADDR 81#define DOUBLEEXC_VECTOR_VADDR XCHAL_DOUBLEEXC_VECTOR_VADDR 82#define WINDOW_VECTORS_VADDR XCHAL_WINDOW_VECTORS_VADDR 83#define INTLEVEL2_VECTOR_VADDR XCHAL_INTLEVEL2_VECTOR_VADDR 84#define INTLEVEL3_VECTOR_VADDR XCHAL_INTLEVEL3_VECTOR_VADDR 85#define INTLEVEL4_VECTOR_VADDR XCHAL_INTLEVEL4_VECTOR_VADDR 86#define INTLEVEL5_VECTOR_VADDR XCHAL_INTLEVEL5_VECTOR_VADDR 87#define INTLEVEL6_VECTOR_VADDR XCHAL_INTLEVEL6_VECTOR_VADDR 88#define INTLEVEL7_VECTOR_VADDR XCHAL_INTLEVEL6_VECTOR_VADDR 89#define DEBUG_VECTOR_VADDR XCHAL_DEBUG_VECTOR_VADDR 90 91#endif 92 93#endif /* _XTENSA_VECTORS_H */ 94