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/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _ALPHA_PAGE_H
#define _ALPHA_PAGE_H

#include <linux/const.h>
#include <asm/pal.h>

/* PAGE_SHIFT determines the page size */
#define PAGE_SHIFT	13
#define PAGE_SIZE	(_AC(1,UL) << PAGE_SHIFT)
#define PAGE_MASK	(~(PAGE_SIZE-1))

#ifndef __ASSEMBLY__

#define STRICT_MM_TYPECHECKS

extern void clear_page(void *page);
#define clear_user_page(page, vaddr, pg)	clear_page(page)

#define __alloc_zeroed_user_highpage(movableflags, vma, vaddr) \
	alloc_page_vma(GFP_HIGHUSER | __GFP_ZERO | movableflags, vma, vmaddr)
#define __HAVE_ARCH_ALLOC_ZEROED_USER_HIGHPAGE

extern void copy_page(void * _to, void * _from);
#define copy_user_page(to, from, vaddr, pg)	copy_page(to, from)

#ifdef STRICT_MM_TYPECHECKS
/*
 * These are used to make use of C type-checking..
 */
typedef struct { unsigned long pte; } pte_t;
typedef struct { unsigned long pmd; } pmd_t;
typedef struct { unsigned long pgd; } pgd_t;
typedef struct { unsigned long pgprot; } pgprot_t;

#define pte_val(x)	((x).pte)
#define pmd_val(x)	((x).pmd)
#define pgd_val(x)	((x).pgd)
#define pgprot_val(x)	((x).pgprot)

#define __pte(x)	((pte_t) { (x) } )
#define __pmd(x)	((pmd_t) { (x) } )
#define __pgd(x)	((pgd_t) { (x) } )
#define __pgprot(x)	((pgprot_t) { (x) } )

#else
/*
 * .. while these make it easier on the compiler
 */
typedef unsigned long pte_t;
typedef unsigned long pmd_t;
typedef unsigned long pgd_t;
typedef unsigned long pgprot_t;

#define pte_val(x)	(x)
#define pmd_val(x)	(x)
#define pgd_val(x)	(x)
#define pgprot_val(x)	(x)

#define __pte(x)	(x)
#define __pgd(x)	(x)
#define __pgprot(x)	(x)

#endif /* STRICT_MM_TYPECHECKS */

typedef struct page *pgtable_t;

#ifdef USE_48_BIT_KSEG
#define PAGE_OFFSET		0xffff800000000000UL
#else
#define PAGE_OFFSET		0xfffffc0000000000UL
#endif

#else

#ifdef USE_48_BIT_KSEG
#define PAGE_OFFSET		0xffff800000000000
#else
#define PAGE_OFFSET		0xfffffc0000000000
#endif

#endif /* !__ASSEMBLY__ */

#define __pa(x)			((unsigned long) (x) - PAGE_OFFSET)
#define __va(x)			((void *)((unsigned long) (x) + PAGE_OFFSET))
#ifndef CONFIG_DISCONTIGMEM
#define virt_to_page(kaddr)	pfn_to_page(__pa(kaddr) >> PAGE_SHIFT)

#define pfn_valid(pfn)		((pfn) < max_mapnr)
#define virt_addr_valid(kaddr)	pfn_valid(__pa(kaddr) >> PAGE_SHIFT)
#endif /* CONFIG_DISCONTIGMEM */

#define VM_DATA_DEFAULT_FLAGS		(VM_READ | VM_WRITE | VM_EXEC | \
					 VM_MAYREAD | VM_MAYWRITE | VM_MAYEXEC)

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

#endif /* _ALPHA_PAGE_H */

Filemanager

Name Type Size Permission Actions
Kbuild File 320 B 0644
a.out-core.h File 2.41 KB 0644
a.out.h File 574 B 0644
agp.h File 457 B 0644
agp_backend.h File 948 B 0644
asm-offsets.h File 35 B 0644
asm-prototypes.h File 405 B 0644
atomic.h File 9.15 KB 0644
barrier.h File 2.17 KB 0644
bitops.h File 8.83 KB 0644
bug.h File 571 B 0644
bugs.h File 294 B 0644
cache.h File 507 B 0644
cacheflush.h File 2.68 KB 0644
checksum.h File 1.93 KB 0644
cmpxchg.h File 1.67 KB 0644
compiler.h File 498 B 0644
console.h File 1.06 KB 0644
core_apecs.h File 16.91 KB 0644
core_cia.h File 15.43 KB 0644
core_irongate.h File 6.63 KB 0644
core_lca.h File 11.36 KB 0644
core_marvel.h File 9.15 KB 0644
core_mcpcia.h File 11.45 KB 0644
core_polaris.h File 2.92 KB 0644
core_t2.h File 19.13 KB 0644
core_titan.h File 11.2 KB 0644
core_tsunami.h File 8.29 KB 0644
core_wildfire.h File 8.45 KB 0644
delay.h File 264 B 0644
device.h File 129 B 0644
div64.h File 31 B 0644
dma-mapping.h File 276 B 0644
dma.h File 12.37 KB 0644
elf.h File 5.71 KB 0644
emergency-restart.h File 149 B 0644
err_common.h File 3.24 KB 0644
err_ev6.h File 116 B 0644
err_ev7.h File 4.37 KB 0644
extable.h File 1.42 KB 0644
floppy.h File 3.07 KB 0644
fpu.h File 1.78 KB 0644
ftrace.h File 12 B 0644
futex.h File 1.97 KB 0644
gct.h File 1.02 KB 0644
hardirq.h File 223 B 0644
hw_irq.h File 302 B 0644
hwrpb.h File 6.9 KB 0644
io.h File 15.03 KB 0644
io_trivial.h File 3.07 KB 0644
irq.h File 2.31 KB 0644
irq_regs.h File 34 B 0644
irqflags.h File 1.17 KB 0644
jensen.h File 8.39 KB 0644
kdebug.h File 32 B 0644
kmap_types.h File 265 B 0644
linkage.h File 256 B 0644
local.h File 2.59 KB 0644
local64.h File 33 B 0644
machvec.h File 3.68 KB 0644
mc146818rtc.h File 680 B 0644
mce.h File 4.04 KB 0644
mmu.h File 203 B 0644
mmu_context.h File 7.09 KB 0644
mmzone.h File 2.98 KB 0644
module.h File 329 B 0644
page.h File 2.46 KB 0644
pal.h File 5.01 KB 0644
param.h File 284 B 0644
parport.h File 536 B 0644
pci.h File 2.87 KB 0644
percpu.h File 527 B 0644
perf_event.h File 105 B 0644
pgalloc.h File 1.82 KB 0644
pgtable.h File 13.17 KB 0644
processor.h File 2.07 KB 0644
ptrace.h File 754 B 0644
rwsem.h File 4.62 KB 0644
segment.h File 132 B 0644
serial.h File 1.01 KB 0644
sfp-machine.h File 2.86 KB 0644
shmparam.h File 191 B 0644
signal.h File 627 B 0644
smp.h File 1.34 KB 0644
socket.h File 310 B 0644
special_insns.h File 925 B 0644
spinlock.h File 2.85 KB 0644
spinlock_types.h File 413 B 0644
string.h File 2.42 KB 0644
switch_to.h File 406 B 0644
syscall.h File 235 B 0644
termios.h File 2.98 KB 0644
thread_info.h File 3.63 KB 0644
timex.h File 827 B 0644
tlb.h File 473 B 0644
tlbflush.h File 3.37 KB 0644
topology.h File 957 B 0644
types.h File 143 B 0644
uaccess.h File 9.56 KB 0644
ucontext.h File 348 B 0644
unaligned.h File 340 B 0644
unistd.h File 494 B 0644
user.h File 2.14 KB 0644
vga.h File 2 KB 0644
word-at-a-time.h File 1.34 KB 0644
wrperfmon.h File 2.56 KB 0644
xchg.h File 5.74 KB 0644
xor.h File 21.71 KB 0644