/* * 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 <variant/core.h> #include <platform/hardware.h> #include <asm/kmem_layout.h> #if XCHAL_HAVE_PTP_MMU #define XCHAL_KIO_CACHED_VADDR 0xe0000000 #define XCHAL_KIO_BYPASS_VADDR 0xf0000000 #define XCHAL_KIO_DEFAULT_PADDR 0xf0000000 #else #define XCHAL_KIO_BYPASS_VADDR XCHAL_KIO_PADDR #define XCHAL_KIO_DEFAULT_PADDR 0x90000000 #endif #define XCHAL_KIO_SIZE 0x10000000 #if (!XCHAL_HAVE_PTP_MMU || XCHAL_HAVE_SPANNING_WAY) && defined(CONFIG_USE_OF) #define XCHAL_KIO_PADDR xtensa_get_kio_paddr() #ifndef __ASSEMBLY__ extern unsigned long xtensa_kio_paddr; static inline unsigned long xtensa_get_kio_paddr(void) { return xtensa_kio_paddr; } #endif #else #define XCHAL_KIO_PADDR XCHAL_KIO_DEFAULT_PADDR #endif #if defined(CONFIG_MMU) #if XCHAL_HAVE_PTP_MMU && XCHAL_HAVE_SPANNING_WAY /* Image Virtual Start Address */ #define KERNELOFFSET (XCHAL_KSEG_CACHED_VADDR + \ CONFIG_KERNEL_LOAD_ADDRESS - \ XCHAL_KSEG_PADDR) #else #define KERNELOFFSET CONFIG_KERNEL_LOAD_ADDRESS #endif #else /* !defined(CONFIG_MMU) */ /* MMU Not being used - Virtual == Physical */ /* Location of the start of the kernel text, _start */ #define KERNELOFFSET CONFIG_KERNEL_LOAD_ADDRESS #endif /* CONFIG_MMU */ #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 */
Name | Type | Size | Permission | Actions |
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Kbuild | File | 685 B | 0644 |
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asm-offsets.h | File | 35 B | 0644 |
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asm-uaccess.h | File | 4.11 KB | 0644 |
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asmmacro.h | File | 2.76 KB | 0644 |
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atomic.h | File | 7.38 KB | 0644 |
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barrier.h | File | 542 B | 0644 |
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bitops.h | File | 5.08 KB | 0644 |
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bootparam.h | File | 1.37 KB | 0644 |
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bugs.h | File | 451 B | 0644 |
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cache.h | File | 969 B | 0644 |
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cacheasm.h | File | 3.77 KB | 0644 |
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cacheflush.h | File | 5.76 KB | 0644 |
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checksum.h | File | 6 KB | 0644 |
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cmpxchg.h | File | 3.9 KB | 0644 |
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coprocessor.h | File | 5.05 KB | 0644 |
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current.h | File | 675 B | 0644 |
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delay.h | File | 1.63 KB | 0644 |
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dma-mapping.h | File | 855 B | 0644 |
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dma.h | File | 1.79 KB | 0644 |
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elf.h | File | 5.75 KB | 0644 |
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fixmap.h | File | 2.5 KB | 0644 |
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flat.h | File | 686 B | 0644 |
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ftrace.h | File | 979 B | 0644 |
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futex.h | File | 2.59 KB | 0644 |
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highmem.h | File | 2.33 KB | 0644 |
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hw_breakpoint.h | File | 1.45 KB | 0644 |
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hw_irq.h | File | 320 B | 0644 |
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initialize_mmu.h | File | 4.58 KB | 0644 |
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io.h | File | 2.09 KB | 0644 |
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irq.h | File | 1.46 KB | 0644 |
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irqflags.h | File | 1.99 KB | 0644 |
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kmem_layout.h | File | 2.07 KB | 0644 |
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mmu.h | File | 462 B | 0644 |
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mmu_context.h | File | 3.62 KB | 0644 |
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module.h | File | 525 B | 0644 |
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mxregs.h | File | 1.3 KB | 0644 |
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nommu_context.h | File | 602 B | 0644 |
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page.h | File | 5.69 KB | 0644 |
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pci-bridge.h | File | 2.16 KB | 0644 |
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pci.h | File | 1.37 KB | 0644 |
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perf_event.h | File | 108 B | 0644 |
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pgalloc.h | File | 1.84 KB | 0644 |
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pgtable.h | File | 14.89 KB | 0644 |
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platform.h | File | 1.75 KB | 0644 |
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processor.h | File | 7.44 KB | 0644 |
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ptrace.h | File | 3.74 KB | 0644 |
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regs.h | File | 3.87 KB | 0644 |
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segment.h | File | 376 B | 0644 |
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serial.h | File | 443 B | 0644 |
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shmparam.h | File | 561 B | 0644 |
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signal.h | File | 502 B | 0644 |
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smp.h | File | 967 B | 0644 |
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spinlock.h | File | 4.6 KB | 0644 |
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spinlock_types.h | File | 412 B | 0644 |
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stacktrace.h | File | 1.13 KB | 0644 |
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string.h | File | 2.65 KB | 0644 |
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switch_to.h | File | 601 B | 0644 |
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syscall.h | File | 982 B | 0644 |
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sysmem.h | File | 426 B | 0644 |
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thread_info.h | File | 3.62 KB | 0644 |
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timex.h | File | 1.79 KB | 0644 |
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tlb.h | File | 1.1 KB | 0644 |
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tlbflush.h | File | 5.53 KB | 0644 |
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traps.h | File | 1.87 KB | 0644 |
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types.h | File | 501 B | 0644 |
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uaccess.h | File | 8.67 KB | 0644 |
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ucontext.h | File | 540 B | 0644 |
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unaligned.h | File | 864 B | 0644 |
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unistd.h | File | 639 B | 0644 |
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user.h | File | 507 B | 0644 |
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vectors.h | File | 4.05 KB | 0644 |
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vga.h | File | 434 B | 0644 |
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