page_32.h File Reference

#include <linux/const.h>
#include <asm-generic/memory_model.h>
#include <asm-generic/getorder.h>

Go to the source code of this file.

Data Structures
struct	sparc_phys_banks
struct	pmd_t

Macros
#define	PAGE_SHIFT   12
#define	PAGE_SIZE   (_AC(1, UL) << PAGE_SHIFT)
#define	PAGE_MASK   (~(PAGE_SIZE-1))
#define	clear_page(page)   memset((void *)(page), 0, PAGE_SIZE)
#define	copy_page(to, from)   memcpy((void *)(to), (void *)(from), PAGE_SIZE)
#define	clear_user_page(addr, vaddr, page)
#define	copy_user_page(to, from, vaddr, page)
#define	SPARC_PHYS_BANKS   32
#define	pte_val(x)   (x)
#define	iopte_val(x)   (x)
#define	pmd_val(x)   ((x).pmdv[0])
#define	pgd_val(x)   (x)
#define	ctxd_val(x)   (x)
#define	pgprot_val(x)   (x)
#define	iopgprot_val(x)   (x)
#define	__pte(x)   (x)
#define	__iopte(x)   (x)
#define	__pgd(x)   (x)
#define	__ctxd(x)   (x)
#define	__pgprot(x)   (x)
#define	__iopgprot(x)   (x)
#define	TASK_UNMAPPED_BASE   0x50000000
#define	PAGE_OFFSET   0xf0000000
#define	__pa(x)   ((unsigned long)(x) - PAGE_OFFSET + phys_base)
#define	__va(x)   ((void *)((unsigned long) (x) - phys_base + PAGE_OFFSET))
#define	virt_to_phys   __pa
#define	phys_to_virt   __va
#define	ARCH_PFN_OFFSET   (pfn_base)
#define	virt_to_page(kaddr)   pfn_to_page(__pa(kaddr) >> PAGE_SHIFT)
#define	pfn_valid(pfn)   (((pfn) >= (pfn_base)) && (((pfn)-(pfn_base)) < max_mapnr))
#define	virt_addr_valid(kaddr)   ((((unsigned long)(kaddr)-PAGE_OFFSET)>>PAGE_SHIFT) < max_mapnr)
#define	VM_DATA_DEFAULT_FLAGS

Typedefs
typedef unsigned long	pte_t
typedef unsigned long	iopte_t
typedef unsigned long	pgd_t
typedef unsigned long	ctxd_t
typedef unsigned long	pgprot_t
typedef unsigned long	iopgprot_t
typedef struct page *	pgtable_t

Variables
struct sparc_phys_banks	sp_banks [SPARC_PHYS_BANKS+1]
unsigned long	phys_base
unsigned long	pfn_base

Macro Definition Documentation

#define __ctxd

(

x

)

(x)

Definition at line 102 of file page_32.h.

#define __iopgprot

(

x

)

(x)

Definition at line 104 of file page_32.h.

#define __iopte

(

x

)

(x)

Definition at line 99 of file page_32.h.

#define __pa

(

x

)

((unsigned long)(x) - PAGE_OFFSET + phys_base)

Definition at line 123 of file page_32.h.

#define __pgd

(

x

)

(x)

Definition at line 101 of file page_32.h.

#define __pgprot

(

x

)

(x)

Definition at line 103 of file page_32.h.

#define __pte

(

x

)

(x)

Definition at line 98 of file page_32.h.

#define __va

(

x

)

((void *)((unsigned long) (x) - phys_base + PAGE_OFFSET))

Definition at line 124 of file page_32.h.

#define ARCH_PFN_OFFSET   (pfn_base)

Definition at line 129 of file page_32.h.

#define clear_page

(

page

)

memset((void *)(page), 0, PAGE_SIZE)

Definition at line 19 of file page_32.h.

#define clear_user_page	(		addr,
			vaddr,
			page
	)

Value:

do {    clear_page(addr);       \
        sparc_flush_page_to_ram(page);  \
    } while (0)

Definition at line 21 of file page_32.h.

#define copy_page	(		to,
			from
	)		memcpy((void *)(to), (void *)(from), PAGE_SIZE)

Definition at line 20 of file page_32.h.

#define copy_user_page	(		to,
			from,
			vaddr,
			page
	)

Value:

do {    copy_page(to, from);        \
        sparc_flush_page_to_ram(page);  \
    } while (0)

Definition at line 25 of file page_32.h.

#define ctxd_val

(

x

)

(x)

Definition at line 94 of file page_32.h.

#define iopgprot_val

(

x

)

(x)

Definition at line 96 of file page_32.h.

#define iopte_val

(

x

)

(x)

Definition at line 91 of file page_32.h.

#define PAGE_MASK   (~(PAGE_SIZE-1))

Definition at line 15 of file page_32.h.

#define PAGE_OFFSET   0xf0000000

Definition at line 118 of file page_32.h.

#define PAGE_SHIFT   12

Definition at line 13 of file page_32.h.

#define PAGE_SIZE   (_AC(1, UL) << PAGE_SHIFT)

Definition at line 14 of file page_32.h.

#define pfn_valid

(

pfn

)

(((pfn) >= (pfn_base)) && (((pfn)-(pfn_base)) < max_mapnr))

Definition at line 132 of file page_32.h.

#define pgd_val

(

x

)

(x)

Definition at line 93 of file page_32.h.

#define pgprot_val

(

x

)

(x)

Definition at line 95 of file page_32.h.

#define phys_to_virt   __va

Definition at line 127 of file page_32.h.

#define pmd_val

(

x

)

((x).pmdv[0])

Definition at line 92 of file page_32.h.

#define pte_val

(

x

)

(x)

Definition at line 90 of file page_32.h.

#define SPARC_PHYS_BANKS   32

Definition at line 42 of file page_32.h.

#define TASK_UNMAPPED_BASE   0x50000000

Definition at line 110 of file page_32.h.

#define virt_addr_valid

(

kaddr

)

((((unsigned long)(kaddr)-PAGE_OFFSET)>>PAGE_SHIFT) < max_mapnr)

Definition at line 133 of file page_32.h.

#define virt_to_page

(

kaddr

)

pfn_to_page(__pa(kaddr) >> PAGE_SHIFT)

Definition at line 130 of file page_32.h.

#define virt_to_phys   __pa

Definition at line 126 of file page_32.h.

#define VM_DATA_DEFAULT_FLAGS

Value:

(VM_READ | VM_WRITE | VM_EXEC | \
                 VM_MAYREAD | VM_MAYWRITE | VM_MAYEXEC)

Definition at line 135 of file page_32.h.

Typedef Documentation

typedef unsigned long ctxd_t

Definition at line 86 of file page_32.h.

typedef unsigned long iopgprot_t

Definition at line 88 of file page_32.h.

typedef unsigned long iopte_t

Definition at line 83 of file page_32.h.

typedef unsigned long pgd_t

Definition at line 85 of file page_32.h.

typedef unsigned long pgprot_t

Definition at line 87 of file page_32.h.

typedef struct page* pgtable_t

Definition at line 108 of file page_32.h.

typedef unsigned long pte_t

Definition at line 82 of file page_32.h.

Variable Documentation

unsigned long pfn_base

Definition at line 44 of file init_32.c.

unsigned long phys_base

Definition at line 41 of file init_32.c.

struct sparc_phys_banks sp_banks[SPARC_PHYS_BANKS+1]

Definition at line 47 of file init_32.c.