From 5e0b8d508ed51004bd836384293be00950ee62c9 Mon Sep 17 00:00:00 2001 From: Pasha Date: Tue, 20 Feb 2024 18:49:50 +0000 Subject: init gnumach copy --- linux/dev/include/asm-i386/page.h | 59 +++++++++++++++++++++++++++++++++++++++ 1 file changed, 59 insertions(+) create mode 100644 linux/dev/include/asm-i386/page.h (limited to 'linux/dev/include/asm-i386/page.h') diff --git a/linux/dev/include/asm-i386/page.h b/linux/dev/include/asm-i386/page.h new file mode 100644 index 0000000..be81848 --- /dev/null +++ b/linux/dev/include/asm-i386/page.h @@ -0,0 +1,59 @@ +#ifndef _I386_PAGE_H +#define _I386_PAGE_H + +#include + +#ifdef __KERNEL__ + +#define STRICT_MM_TYPECHECKS + +#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 __pmd(x) (x) +#define __pgd(x) (x) +#define __pgprot(x) (x) + +#endif + +/* to align the pointer to the (next) page boundary */ +#define PAGE_ALIGN(addr) (((addr)+PAGE_SIZE-1)&PAGE_MASK) + +/* This handles the memory map.. */ +#define PAGE_OFFSET 0 +#define MAP_NR(addr) (((unsigned long)(addr)) >> PAGE_SHIFT) + +#endif /* __KERNEL__ */ + +#endif /* _I386_PAGE_H */ -- cgit v1.2.1