FM / asm

/usr/src/linux-headers-5.15.0-190/arch/microblaze/include/asm/

/usr/src/linux-headers-5.15.0-190/arch/microblaze/include/asm

Name	Size	Mode	Actions
asm-compat.h	518	0644	edit dl rm
asm-offsets.h	35	0644	edit dl rm
barrier.h	313	0644	edit dl rm
cache.h	510	0644	edit dl rm
cacheflush.h	3209	0644	edit dl rm
checksum.h	806	0644	edit dl rm
cpuinfo.h	2043	0644	edit dl rm
current.h	714	0644	edit dl rm
delay.h	2138	0644	edit dl rm
dma.h	432	0644	edit dl rm
elf.h	602	0644	edit dl rm
entry.h	1018	0644	edit dl rm
exceptions.h	1928	0644	edit dl rm
fixmap.h	1874	0644	edit dl rm
flat.h	1982	0644	edit dl rm
ftrace.h	642	0644	edit dl rm
futex.h	2179	0644	edit dl rm
hash.h	2429	0644	edit dl rm
highmem.h	1800	0644	edit dl rm
io.h	1691	0644	edit dl rm
irq.h	376	0644	edit dl rm
irqflags.h	2529	0644	edit dl rm
Kbuild	250	0644	edit dl rm
kgdb.h	739	0644	edit dl rm
mmu.h	4050	0644	edit dl rm
mmu_context.h	72	0644	edit dl rm
mmu_context_mm.h	3893	0644	edit dl rm
module.h	704	0644	edit dl rm
page.h	4076	0644	edit dl rm
pci-bridge.h	4473	0644	edit dl rm
pci.h	1986	0644	edit dl rm
pgalloc.h	1042	0644	edit dl rm
pgtable.h	14526	0644	edit dl rm
processor.h	2693	0644	edit dl rm
ptrace.h	591	0644	edit dl rm
pvr.h	8791	0644	edit dl rm
registers.h	1508	0644	edit dl rm
seccomp.h	256	0644	edit dl rm
sections.h	501	0644	edit dl rm
setup.h	823	0644	edit dl rm
string.h	494	0644	edit dl rm
switch_to.h	493	0644	edit dl rm
syscall.h	2346	0644	edit dl rm
thread_info.h	3979	0644	edit dl rm
timex.h	266	0644	edit dl rm
tlbflush.h	1579	0644	edit dl rm
uaccess.h	8121	0644	edit dl rm
unistd.h	1051	0644	edit dl rm
unwind.h	611	0644	edit dl rm
vmalloc.h	108	0644	edit dl rm

Edit: /usr/src/linux-headers-5.15.0-190/arch/microblaze/include/asm/page.h (4076B)

/* SPDX-License-Identifier: GPL-2.0 */
/*
 * VM ops
 *
 * Copyright (C) 2008-2009 Michal Simek <monstr@monstr.eu>
 * Copyright (C) 2008-2009 PetaLogix
 * Copyright (C) 2006 Atmark Techno, Inc.
 * Changes for MMU support:
 *    Copyright (C) 2007 Xilinx, Inc.  All rights reserved.
 */

#ifndef _ASM_MICROBLAZE_PAGE_H
#define _ASM_MICROBLAZE_PAGE_H

#include <linux/pfn.h>
#include <asm/setup.h>
#include <asm/asm-compat.h>
#include <linux/const.h>

#ifdef __KERNEL__

/* PAGE_SHIFT determines the page size */
#define PAGE_SHIFT		12
#define PAGE_SIZE	(ASM_CONST(1) << PAGE_SHIFT)
#define PAGE_MASK	(~(PAGE_SIZE-1))

#define LOAD_OFFSET	ASM_CONST((CONFIG_KERNEL_START-CONFIG_KERNEL_BASE_ADDR))

#define PTE_SHIFT	(PAGE_SHIFT - 2)	/* 1024 ptes per page */

#ifndef __ASSEMBLY__

/* MS be sure that SLAB allocates aligned objects */
#define ARCH_DMA_MINALIGN	L1_CACHE_BYTES

#define ARCH_SLAB_MINALIGN	L1_CACHE_BYTES

/*
 * PAGE_OFFSET -- the first address of the first page of memory. With MMU
 * it is set to the kernel start address (aligned on a page boundary).
 *
 * CONFIG_KERNEL_START is defined in arch/microblaze/config.in and used
 * in arch/microblaze/Makefile.
 */
#define PAGE_OFFSET	CONFIG_KERNEL_START

/*
 * The basic type of a PTE - 32 bit physical addressing.
 */
typedef unsigned long pte_basic_t;
#define PTE_FMT		"%.8lx"

# define copy_page(to, from)			memcpy((to), (from), PAGE_SIZE)
# define clear_page(pgaddr)			memset((pgaddr), 0, PAGE_SIZE)

# define clear_user_page(pgaddr, vaddr, page)	memset((pgaddr), 0, PAGE_SIZE)
# define copy_user_page(vto, vfrom, vaddr, topg) \
			memcpy((vto), (vfrom), PAGE_SIZE)

/*
 * These are used to make use of C type-checking..
 */
typedef struct page *pgtable_t;
typedef struct { unsigned long	pte; }		pte_t;
typedef struct { unsigned long	pgprot; }	pgprot_t;
/* FIXME this can depend on linux kernel version */
typedef struct { unsigned long pgd; } pgd_t;

# define pte_val(x)	((x).pte)
# define pgprot_val(x)	((x).pgprot)

#   define pgd_val(x)      ((x).pgd)

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

/**
 * Conversions for virtual address, physical address, pfn, and struct
 * page are defined in the following files.
 *
 * virt -+
 *	 | asm-microblaze/page.h
 * phys -+
 *	 | linux/pfn.h
 *  pfn -+
 *	 | asm-generic/memory_model.h
 * page -+
 *
 */

extern unsigned long max_low_pfn;
extern unsigned long min_low_pfn;
extern unsigned long max_pfn;

extern unsigned long memory_start;
extern unsigned long memory_size;
extern unsigned long lowmem_size;

extern unsigned long kernel_tlb;

extern int page_is_ram(unsigned long pfn);

# define phys_to_pfn(phys)	(PFN_DOWN(phys))
# define pfn_to_phys(pfn)	(PFN_PHYS(pfn))

# define virt_to_pfn(vaddr)	(phys_to_pfn((__pa(vaddr))))
# define pfn_to_virt(pfn)	__va(pfn_to_phys((pfn)))

#  define virt_to_page(kaddr)	(pfn_to_page(__pa(kaddr) >> PAGE_SHIFT))
#  define page_to_virt(page)   __va(page_to_pfn(page) << PAGE_SHIFT)
#  define page_to_phys(page)     (page_to_pfn(page) << PAGE_SHIFT)

#  define ARCH_PFN_OFFSET	(memory_start >> PAGE_SHIFT)
#  define pfn_valid(pfn)	((pfn) >= ARCH_PFN_OFFSET && (pfn) < (max_mapnr + ARCH_PFN_OFFSET))
# endif /* __ASSEMBLY__ */

#define	virt_addr_valid(vaddr)	(pfn_valid(virt_to_pfn(vaddr)))

# define __pa(x)	__virt_to_phys((unsigned long)(x))
# define __va(x)	((void *)__phys_to_virt((unsigned long)(x)))

/* Convert between virtual and physical address for MMU. */
/* Handle MicroBlaze processor with virtual memory. */
#define __virt_to_phys(addr) \
	((addr) + CONFIG_KERNEL_BASE_ADDR - CONFIG_KERNEL_START)
#define __phys_to_virt(addr) \
	((addr) + CONFIG_KERNEL_START - CONFIG_KERNEL_BASE_ADDR)
#define tophys(rd, rs) \
	addik rd, rs, (CONFIG_KERNEL_BASE_ADDR - CONFIG_KERNEL_START)
#define tovirt(rd, rs) \
	addik rd, rs, (CONFIG_KERNEL_START - CONFIG_KERNEL_BASE_ADDR)

#define TOPHYS(addr)  __virt_to_phys(addr)

#endif /* __KERNEL__ */

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

#endif /* _ASM_MICROBLAZE_PAGE_H */

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