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/* * arch/xtensa/include/asm/xchal_vaddr_remap.h * * Xtensa macros for MMU V3 Support. Deals with re-mapping the Virtual * Memory Addresses from "Virtual == Physical" to their prevvious V2 MMU * mappings (KSEG at 0xD0000000 and KIO at 0XF0000000). * * This file is subject to the terms and conditions of the GNU General Public * License. See the file "COPYING" in the main directory of this archive * for more details. * * Copyright (C) 2008 - 2012 Tensilica Inc. * * Pete Delaney <piet@tensilica.com> * Marc Gauthier <marc@tensilica.com */ #ifndef _XTENSA_VECTORS_H #define _XTENSA_VECTORS_H #include <asm/core.h> #include <asm/kmem_layout.h> #if defined(CONFIG_MMU) && XCHAL_HAVE_PTP_MMU && XCHAL_HAVE_SPANNING_WAY #define KERNELOFFSET (CONFIG_KERNEL_LOAD_ADDRESS + \ XCHAL_KSEG_CACHED_VADDR - \ XCHAL_KSEG_PADDR) #else #define KERNELOFFSET CONFIG_KERNEL_LOAD_ADDRESS #endif #define RESET_VECTOR1_VADDR (XCHAL_RESET_VECTOR1_VADDR) #ifdef CONFIG_VECTORS_OFFSET #define VECBASE_VADDR (KERNELOFFSET - CONFIG_VECTORS_OFFSET) #else #define VECBASE_VADDR _vecbase #endif #if defined(XCHAL_HAVE_VECBASE) && XCHAL_HAVE_VECBASE #define VECTOR_VADDR(offset) (VECBASE_VADDR + offset) #define USER_VECTOR_VADDR VECTOR_VADDR(XCHAL_USER_VECOFS) #define KERNEL_VECTOR_VADDR VECTOR_VADDR(XCHAL_KERNEL_VECOFS) #define DOUBLEEXC_VECTOR_VADDR VECTOR_VADDR(XCHAL_DOUBLEEXC_VECOFS) #define WINDOW_VECTORS_VADDR VECTOR_VADDR(XCHAL_WINDOW_OF4_VECOFS) #define INTLEVEL2_VECTOR_VADDR VECTOR_VADDR(XCHAL_INTLEVEL2_VECOFS) #define INTLEVEL3_VECTOR_VADDR VECTOR_VADDR(XCHAL_INTLEVEL3_VECOFS) #define INTLEVEL4_VECTOR_VADDR VECTOR_VADDR(XCHAL_INTLEVEL4_VECOFS) #define INTLEVEL5_VECTOR_VADDR VECTOR_VADDR(XCHAL_INTLEVEL5_VECOFS) #define INTLEVEL6_VECTOR_VADDR VECTOR_VADDR(XCHAL_INTLEVEL6_VECOFS) #define INTLEVEL7_VECTOR_VADDR VECTOR_VADDR(XCHAL_INTLEVEL7_VECOFS) #define DEBUG_VECTOR_VADDR VECTOR_VADDR(XCHAL_DEBUG_VECOFS) /* * These XCHAL_* #defines from varian/core.h * are not valid to use with V3 MMU. Non-XCHAL * constants are defined above and should be used. */ #undef XCHAL_VECBASE_RESET_VADDR #undef XCHAL_USER_VECTOR_VADDR #undef XCHAL_KERNEL_VECTOR_VADDR #undef XCHAL_DOUBLEEXC_VECTOR_VADDR #undef XCHAL_WINDOW_VECTORS_VADDR #undef XCHAL_INTLEVEL2_VECTOR_VADDR #undef XCHAL_INTLEVEL3_VECTOR_VADDR #undef XCHAL_INTLEVEL4_VECTOR_VADDR #undef XCHAL_INTLEVEL5_VECTOR_VADDR #undef XCHAL_INTLEVEL6_VECTOR_VADDR #undef XCHAL_INTLEVEL7_VECTOR_VADDR #undef XCHAL_DEBUG_VECTOR_VADDR #else #define USER_VECTOR_VADDR XCHAL_USER_VECTOR_VADDR #define KERNEL_VECTOR_VADDR XCHAL_KERNEL_VECTOR_VADDR #define DOUBLEEXC_VECTOR_VADDR XCHAL_DOUBLEEXC_VECTOR_VADDR #define WINDOW_VECTORS_VADDR XCHAL_WINDOW_VECTORS_VADDR #define INTLEVEL2_VECTOR_VADDR XCHAL_INTLEVEL2_VECTOR_VADDR #define INTLEVEL3_VECTOR_VADDR XCHAL_INTLEVEL3_VECTOR_VADDR #define INTLEVEL4_VECTOR_VADDR XCHAL_INTLEVEL4_VECTOR_VADDR #define INTLEVEL5_VECTOR_VADDR XCHAL_INTLEVEL5_VECTOR_VADDR #define INTLEVEL6_VECTOR_VADDR XCHAL_INTLEVEL6_VECTOR_VADDR #define INTLEVEL7_VECTOR_VADDR XCHAL_INTLEVEL6_VECTOR_VADDR #define DEBUG_VECTOR_VADDR XCHAL_DEBUG_VECTOR_VADDR #endif #endif /* _XTENSA_VECTORS_H */