/* * Copyright 2004-2009 Analog Devices Inc. * * Licensed under the GPL-2 or later. */ #ifndef _BLACKFIN_PGTABLE_H #define _BLACKFIN_PGTABLE_H #include <asm-generic/4level-fixup.h> #include <asm/page.h> #include <asm/def_LPBlackfin.h> typedef pte_t *pte_addr_t; /* * Trivial page table functions. */ #define pgd_present(pgd) (1) #define pgd_none(pgd) (0) #define pgd_bad(pgd) (0) #define pgd_clear(pgdp) #define kern_addr_valid(addr) (1) #define pmd_offset(a, b) ((void *)0) #define pmd_none(x) (!pmd_val(x)) #define pmd_present(x) (pmd_val(x)) #define pmd_clear(xp) do { set_pmd(xp, __pmd(0)); } while (0) #define pmd_bad(x) (pmd_val(x) & ~PAGE_MASK) #define kern_addr_valid(addr) (1) #define PAGE_NONE __pgprot(0) /* these mean nothing to NO_MM */ #define PAGE_SHARED __pgprot(0) /* these mean nothing to NO_MM */ #define PAGE_COPY __pgprot(0) /* these mean nothing to NO_MM */ #define PAGE_READONLY __pgprot(0) /* these mean nothing to NO_MM */ #define PAGE_KERNEL __pgprot(0) /* these mean nothing to NO_MM */ #define pgprot_noncached(prot) (prot) extern void paging_init(void); #define __swp_type(x) (0) #define __swp_offset(x) (0) #define __swp_entry(typ,off) ((swp_entry_t) { ((typ) | ((off) << 7)) }) #define __pte_to_swp_entry(pte) ((swp_entry_t) { pte_val(pte) }) #define __swp_entry_to_pte(x) ((pte_t) { (x).val }) #define set_pte(pteptr, pteval) (*(pteptr) = pteval) #define set_pte_at(mm, addr, ptep, pteval) set_pte(ptep, pteval) /* * Page assess control based on Blackfin CPLB management */ #define _PAGE_RD (CPLB_USER_RD) #define _PAGE_WR (CPLB_USER_WR) #define _PAGE_USER (CPLB_USER_RD | CPLB_USER_WR) #define _PAGE_ACCESSED CPLB_ALL_ACCESS #define _PAGE_DIRTY (CPLB_DIRTY) #define PTE_BIT_FUNC(fn, op) \ static inline pte_t pte_##fn(pte_t _pte) { _pte.pte op; return _pte; } PTE_BIT_FUNC(rdprotect, &= ~_PAGE_RD); PTE_BIT_FUNC(mkread, |= _PAGE_RD); PTE_BIT_FUNC(wrprotect, &= ~_PAGE_WR); PTE_BIT_FUNC(mkwrite, |= _PAGE_WR); PTE_BIT_FUNC(exprotect, &= ~_PAGE_USER); PTE_BIT_FUNC(mkexec, |= _PAGE_USER); PTE_BIT_FUNC(mkclean, &= ~_PAGE_DIRTY); PTE_BIT_FUNC(mkdirty, |= _PAGE_DIRTY); PTE_BIT_FUNC(mkold, &= ~_PAGE_ACCESSED); PTE_BIT_FUNC(mkyoung, |= _PAGE_ACCESSED); /* * ZERO_PAGE is a global shared page that is always zero: used * for zero-mapped memory areas etc.. */ #define ZERO_PAGE(vaddr) virt_to_page(empty_zero_page) extern char empty_zero_page[]; #define swapper_pg_dir ((pgd_t *) 0) /* * No page table caches to initialise. */ #define pgtable_cache_init() do { } while (0) /* * All 32bit addresses are effectively valid for vmalloc... * Sort of meaningless for non-VM targets. */ #define VMALLOC_START 0 #define VMALLOC_END 0xffffffff /* provide a special get_unmapped_area for framebuffer mmaps of nommu */ extern unsigned long get_fb_unmapped_area(struct file *filp, unsigned long, unsigned long, unsigned long, unsigned long); #define HAVE_ARCH_FB_UNMAPPED_AREA #define pgprot_writecombine pgprot_noncached #include <asm-generic/pgtable.h> #endif /* _BLACKFIN_PGTABLE_H */
Name | Type | Size | Permission | Actions |
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Kbuild | File | 658 B | 0644 |
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asm-offsets.h | File | 35 B | 0644 |
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atomic.h | File | 1.55 KB | 0644 |
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barrier.h | File | 2.55 KB | 0644 |
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bfin-global.h | File | 2.8 KB | 0644 |
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bfin-lq035q1.h | File | 868 B | 0644 |
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bfin5xx_spi.h | File | 2.07 KB | 0644 |
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bfin_can.h | File | 36.04 KB | 0644 |
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bfin_dma.h | File | 5.46 KB | 0644 |
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bfin_pfmon.h | File | 1.11 KB | 0644 |
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bfin_ppi.h | File | 9.01 KB | 0644 |
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bfin_sdh.h | File | 7.2 KB | 0644 |
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bfin_serial.h | File | 17.02 KB | 0644 |
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bfin_simple_timer.h | File | 949 B | 0644 |
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bfin_sport.h | File | 1.21 KB | 0644 |
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bfin_sport3.h | File | 5.47 KB | 0644 |
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bfin_twi.h | File | 6.25 KB | 0644 |
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bfin_watchdog.h | File | 696 B | 0644 |
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bfrom.h | File | 3.36 KB | 0644 |
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bitops.h | File | 3.45 KB | 0644 |
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blackfin.h | File | 1.55 KB | 0644 |
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bug.h | File | 1.49 KB | 0644 |
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cache.h | File | 1.47 KB | 0644 |
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cacheflush.h | File | 3.79 KB | 0644 |
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cdef_LPBlackfin.h | File | 18.93 KB | 0644 |
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checksum.h | File | 899 B | 0644 |
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clkdev.h | File | 318 B | 0644 |
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clocks.h | File | 1.66 KB | 0644 |
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cmpxchg.h | File | 3.2 KB | 0644 |
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context.S | File | 5.92 KB | 0644 |
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cplb.h | File | 4.86 KB | 0644 |
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cplbinit.h | File | 1.6 KB | 0644 |
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cpu.h | File | 443 B | 0644 |
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def_LPBlackfin.h | File | 28.6 KB | 0644 |
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delay.h | File | 917 B | 0644 |
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dma-mapping.h | File | 1.09 KB | 0644 |
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dma.h | File | 9.28 KB | 0644 |
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dpmc.h | File | 18.24 KB | 0644 |
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early_printk.h | File | 1.09 KB | 0644 |
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elf.h | File | 4.88 KB | 0644 |
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entry.h | File | 5.27 KB | 0644 |
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exec.h | File | 37 B | 0644 |
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fixed_code.h | File | 806 B | 0644 |
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flat.h | File | 1.41 KB | 0644 |
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ftrace.h | File | 1.37 KB | 0644 |
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gpio.h | File | 5.91 KB | 0644 |
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gptimers.h | File | 8.95 KB | 0644 |
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hardirq.h | File | 301 B | 0644 |
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io.h | File | 1.52 KB | 0644 |
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ipipe.h | File | 5.81 KB | 0644 |
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ipipe_base.h | File | 2.38 KB | 0644 |
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irq.h | File | 879 B | 0644 |
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irq_handler.h | File | 1.93 KB | 0644 |
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irqflags.h | File | 7.13 KB | 0644 |
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kgdb.h | File | 3.23 KB | 0644 |
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l1layout.h | File | 879 B | 0644 |
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linkage.h | File | 205 B | 0644 |
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mem_init.h | File | 13.1 KB | 0644 |
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mem_map.h | File | 1.73 KB | 0644 |
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mmu.h | File | 713 B | 0644 |
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mmu_context.h | File | 5.35 KB | 0644 |
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module.h | File | 410 B | 0644 |
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nand.h | File | 895 B | 0644 |
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nmi.h | File | 195 B | 0644 |
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page.h | File | 546 B | 0644 |
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page_offset.h | File | 192 B | 0644 |
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pci.h | File | 310 B | 0644 |
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pda.h | File | 1.86 KB | 0644 |
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perf_event.h | File | 23 B | 0644 |
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pgtable.h | File | 3 KB | 0644 |
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pm.h | File | 590 B | 0644 |
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portmux.h | File | 16.38 KB | 0644 |
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processor.h | File | 3.21 KB | 0644 |
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pseudo_instructions.h | File | 391 B | 0644 |
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ptrace.h | File | 1.19 KB | 0644 |
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reboot.h | File | 446 B | 0644 |
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rwlock.h | File | 142 B | 0644 |
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scb.h | File | 445 B | 0644 |
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sections.h | File | 2 KB | 0644 |
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segment.h | File | 226 B | 0644 |
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smp.h | File | 1.34 KB | 0644 |
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spinlock.h | File | 1.87 KB | 0644 |
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spinlock_types.h | File | 495 B | 0644 |
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string.h | File | 1.04 KB | 0644 |
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switch_to.h | File | 997 B | 0644 |
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syscall.h | File | 2.15 KB | 0644 |
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thread_info.h | File | 2.66 KB | 0644 |
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time.h | File | 1.33 KB | 0644 |
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timex.h | File | 477 B | 0644 |
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tlb.h | File | 481 B | 0644 |
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tlbflush.h | File | 88 B | 0644 |
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trace.h | File | 2.67 KB | 0644 |
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traps.h | File | 4.87 KB | 0644 |
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uaccess.h | File | 5.79 KB | 0644 |
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unistd.h | File | 523 B | 0644 |
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vga.h | File | 29 B | 0644 |
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