diff options
author | H. Peter Anvin <hpa@zytor.com> | 2010-04-29 16:53:17 -0700 |
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committer | H. Peter Anvin <hpa@zytor.com> | 2010-04-29 16:53:17 -0700 |
commit | d9c5841e22231e4e49fd0a1004164e6fce59b7a6 (patch) | |
tree | e1f589c46b3ff79bbe7b1b2469f6362f94576da6 /arch/microblaze/include/asm/pgtable.h | |
parent | b701a47ba48b698976fb2fe05fb285b0edc1d26a (diff) | |
parent | 5967ed87ade85a421ef814296c3c7f182b08c225 (diff) |
Merge branch 'x86/asm' into x86/atomic
Merge reason:
Conflict between LOCK_PREFIX_HERE and relative alternatives
pointers
Resolved Conflicts:
arch/x86/include/asm/alternative.h
arch/x86/kernel/alternative.c
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
Diffstat (limited to 'arch/microblaze/include/asm/pgtable.h')
-rw-r--r-- | arch/microblaze/include/asm/pgtable.h | 40 |
1 files changed, 30 insertions, 10 deletions
diff --git a/arch/microblaze/include/asm/pgtable.h b/arch/microblaze/include/asm/pgtable.h index cc3a4dfc3ea..dd2bb60651c 100644 --- a/arch/microblaze/include/asm/pgtable.h +++ b/arch/microblaze/include/asm/pgtable.h @@ -16,6 +16,10 @@ #define io_remap_pfn_range(vma, vaddr, pfn, size, prot) \ remap_pfn_range(vma, vaddr, pfn, size, prot) +#ifndef __ASSEMBLY__ +extern int mem_init_done; +#endif + #ifndef CONFIG_MMU #define pgd_present(pgd) (1) /* pages are always present on non MMU */ @@ -51,6 +55,8 @@ static inline int pte_file(pte_t pte) { return 0; } #define arch_enter_lazy_cpu_mode() do {} while (0) +#define pgprot_noncached_wc(prot) prot + #else /* CONFIG_MMU */ #include <asm-generic/4level-fixup.h> @@ -68,7 +74,6 @@ static inline int pte_file(pte_t pte) { return 0; } extern unsigned long va_to_phys(unsigned long address); extern pte_t *va_to_pte(unsigned long address); -extern unsigned long ioremap_bot, ioremap_base; /* * The following only work if pte_present() is true. @@ -85,11 +90,25 @@ static inline pte_t pte_mkspecial(pte_t pte) { return pte; } #define VMALLOC_START (CONFIG_KERNEL_START + \ max(32 * 1024 * 1024UL, memory_size)) #define VMALLOC_END ioremap_bot -#define VMALLOC_VMADDR(x) ((unsigned long)(x)) #endif /* __ASSEMBLY__ */ /* + * Macro to mark a page protection value as "uncacheable". + */ + +#define _PAGE_CACHE_CTL (_PAGE_GUARDED | _PAGE_NO_CACHE | \ + _PAGE_WRITETHRU) + +#define pgprot_noncached(prot) \ + (__pgprot((pgprot_val(prot) & ~_PAGE_CACHE_CTL) | \ + _PAGE_NO_CACHE | _PAGE_GUARDED)) + +#define pgprot_noncached_wc(prot) \ + (__pgprot((pgprot_val(prot) & ~_PAGE_CACHE_CTL) | \ + _PAGE_NO_CACHE)) + +/* * The MicroBlaze MMU is identical to the PPC-40x MMU, and uses a hash * table containing PTEs, together with a set of 16 segment registers, to * define the virtual to physical address mapping. @@ -397,7 +416,7 @@ static inline unsigned long pte_update(pte_t *p, unsigned long clr, mts rmsr, %2\n\ nop" : "=&r" (old), "=&r" (tmp), "=&r" (msr), "=m" (*p) - : "r" ((unsigned long)(p+1) - 4), "r" (clr), "r" (set), "m" (*p) + : "r" ((unsigned long)(p + 1) - 4), "r" (clr), "r" (set), "m" (*p) : "cc"); return old; @@ -566,18 +585,11 @@ void mapin_ram(void); int map_page(unsigned long va, phys_addr_t pa, int flags); extern int mem_init_done; -extern unsigned long ioremap_base; -extern unsigned long ioremap_bot; asmlinkage void __init mmu_init(void); void __init *early_get_page(void); -void *consistent_alloc(int gfp, size_t size, dma_addr_t *dma_handle); -void consistent_free(void *vaddr); -void consistent_sync(void *vaddr, size_t size, int direction); -void consistent_sync_page(struct page *page, unsigned long offset, - size_t size, int direction); #endif /* __ASSEMBLY__ */ #endif /* __KERNEL__ */ @@ -586,6 +598,14 @@ void consistent_sync_page(struct page *page, unsigned long offset, #ifndef __ASSEMBLY__ #include <asm-generic/pgtable.h> +extern unsigned long ioremap_bot, ioremap_base; + +void *consistent_alloc(int gfp, size_t size, dma_addr_t *dma_handle); +void consistent_free(void *vaddr); +void consistent_sync(void *vaddr, size_t size, int direction); +void consistent_sync_page(struct page *page, unsigned long offset, + size_t size, int direction); + void setup_memory(void); #endif /* __ASSEMBLY__ */ |