FM / asm

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

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

Name	Size	Mode	Actions
fpu/	-	0755	rm
archrandom.h	735	0644	edit dl rm
asm-prototypes.h	129	0644	edit dl rm
cache.h	483	0644	edit dl rm
cacheflush.h	257	0644	edit dl rm
common.lds.S	1679	0644	edit dl rm
cpufeature.h	5011	0644	edit dl rm
delay.h	670	0644	edit dl rm
dma.h	180	0644	edit dl rm
fixmap.h	1638	0644	edit dl rm
futex.h	353	0644	edit dl rm
hardirq.h	201	0644	edit dl rm
io.h	478	0644	edit dl rm
irq.h	828	0644	edit dl rm
irqflags.h	807	0644	edit dl rm
Kbuild	729	0644	edit dl rm
kvm_para.h	34	0644	edit dl rm
mmu.h	522	0644	edit dl rm
mmu_context.h	1174	0644	edit dl rm
msi.h	29	0644	edit dl rm
page.h	3239	0644	edit dl rm
pci.h	864	0644	edit dl rm
pgalloc.h	1034	0644	edit dl rm
pgtable-2level.h	1299	0644	edit dl rm
pgtable-3level.h	2645	0644	edit dl rm
pgtable.h	8831	0644	edit dl rm
processor-generic.h	2193	0644	edit dl rm
ptrace-generic.h	1187	0644	edit dl rm
sections.h	219	0644	edit dl rm
setup.h	273	0644	edit dl rm
smp.h	121	0644	edit dl rm
stacktrace.h	1088	0644	edit dl rm
syscall-generic.h	1974	0644	edit dl rm
sysrq.h	182	0644	edit dl rm
thread_info.h	2332	0644	edit dl rm
timex.h	151	0644	edit dl rm
tlb.h	192	0644	edit dl rm
tlbflush.h	991	0644	edit dl rm
uaccess.h	1471	0644	edit dl rm
unwind.h	213	0644	edit dl rm
vmalloc.h	84	0644	edit dl rm
vmlinux.lds.h	66	0644	edit dl rm
xor.h	639	0644	edit dl rm

Edit: /usr/src/linux-headers-5.15.0-190/arch/um/include/asm/pgtable-3level.h (2645B)

/* SPDX-License-Identifier: GPL-2.0 */
/*
 * Copyright 2003 PathScale Inc
 * Derived from include/asm-i386/pgtable.h
 */

#ifndef __UM_PGTABLE_3LEVEL_H
#define __UM_PGTABLE_3LEVEL_H

#include <asm-generic/pgtable-nopud.h>

/* PGDIR_SHIFT determines what a third-level page table entry can map */

#ifdef CONFIG_64BIT
#define PGDIR_SHIFT	30
#else
#define PGDIR_SHIFT	31
#endif
#define PGDIR_SIZE	(1UL << PGDIR_SHIFT)
#define PGDIR_MASK	(~(PGDIR_SIZE-1))

/* PMD_SHIFT determines the size of the area a second-level page table can
 * map
 */

#define PMD_SHIFT	21
#define PMD_SIZE	(1UL << PMD_SHIFT)
#define PMD_MASK	(~(PMD_SIZE-1))

/*
 * entries per page directory level
 */

#define PTRS_PER_PTE 512
#ifdef CONFIG_64BIT
#define PTRS_PER_PMD 512
#define PTRS_PER_PGD 512
#else
#define PTRS_PER_PMD 1024
#define PTRS_PER_PGD 1024
#endif

#define USER_PTRS_PER_PGD ((TASK_SIZE + (PGDIR_SIZE - 1)) / PGDIR_SIZE)

#define pte_ERROR(e) \
        printk("%s:%d: bad pte %p(%016lx).\n", __FILE__, __LINE__, &(e), \
	       pte_val(e))
#define pmd_ERROR(e) \
        printk("%s:%d: bad pmd %p(%016lx).\n", __FILE__, __LINE__, &(e), \
	       pmd_val(e))
#define pgd_ERROR(e) \
        printk("%s:%d: bad pgd %p(%016lx).\n", __FILE__, __LINE__, &(e), \
	       pgd_val(e))

#define pud_none(x)	(!(pud_val(x) & ~_PAGE_NEWPAGE))
#define	pud_bad(x)	((pud_val(x) & (~PAGE_MASK & ~_PAGE_USER)) != _KERNPG_TABLE)
#define pud_present(x)	(pud_val(x) & _PAGE_PRESENT)
#define pud_populate(mm, pud, pmd) \
	set_pud(pud, __pud(_PAGE_TABLE + __pa(pmd)))

#ifdef CONFIG_64BIT
#define set_pud(pudptr, pudval) set_64bit((u64 *) (pudptr), pud_val(pudval))
#else
#define set_pud(pudptr, pudval) (*(pudptr) = (pudval))
#endif

static inline int pgd_newpage(pgd_t pgd)
{
	return(pgd_val(pgd) & _PAGE_NEWPAGE);
}

static inline void pgd_mkuptodate(pgd_t pgd) { pgd_val(pgd) &= ~_PAGE_NEWPAGE; }

#ifdef CONFIG_64BIT
#define set_pmd(pmdptr, pmdval) set_64bit((u64 *) (pmdptr), pmd_val(pmdval))
#else
#define set_pmd(pmdptr, pmdval) (*(pmdptr) = (pmdval))
#endif

static inline void pud_clear (pud_t *pud)
{
	set_pud(pud, __pud(_PAGE_NEWPAGE));
}

#define pud_page(pud) phys_to_page(pud_val(pud) & PAGE_MASK)
#define pud_pgtable(pud) ((pmd_t *) __va(pud_val(pud) & PAGE_MASK))

static inline unsigned long pte_pfn(pte_t pte)
{
	return phys_to_pfn(pte_val(pte));
}

static inline pte_t pfn_pte(unsigned long page_nr, pgprot_t pgprot)
{
	pte_t pte;
	phys_t phys = pfn_to_phys(page_nr);

pte_set_val(pte, phys, pgprot);
	return pte;
}

static inline pmd_t pfn_pmd(unsigned long page_nr, pgprot_t pgprot)
{
	return __pmd((page_nr << PAGE_SHIFT) | pgprot_val(pgprot));
}

#endif

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