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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 <[email protected]>
- * Marc Gauthier <[email protected]
- */
- #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
- #ifdef CONFIG_KERNEL_VIRTUAL_ADDRESS
- #define KERNELOFFSET CONFIG_KERNEL_VIRTUAL_ADDRESS
- #else
- #define KERNELOFFSET (CONFIG_KERNEL_LOAD_ADDRESS + \
- XCHAL_KSEG_CACHED_VADDR - \
- XCHAL_KSEG_PADDR)
- #endif
- #else
- #define KERNELOFFSET CONFIG_KERNEL_LOAD_ADDRESS
- #endif
- #define RESET_VECTOR1_VADDR (XCHAL_RESET_VECTOR1_VADDR)
- #ifdef CONFIG_VECTORS_ADDR
- #define VECBASE_VADDR (CONFIG_VECTORS_ADDR)
- #else
- #define VECBASE_VADDR _vecbase
- #endif
- #if 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 */
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