| /**************************************************************************** |
| **************************************************************************** |
| *** |
| *** This header was automatically generated from a Linux kernel header |
| *** of the same name, to make information necessary for userspace to |
| *** call into the kernel available to libc. It contains only constants, |
| *** structures, and macros generated from the original header, and thus, |
| *** contains no copyrightable information. |
| *** |
| **************************************************************************** |
| ****************************************************************************/ |
| #ifndef _ASM_FIXMAP_H |
| #define _ASM_FIXMAP_H |
| |
| #define FIXADDR_USER_START __fix_to_virt(FIX_VDSO) |
| #define FIXADDR_USER_END __fix_to_virt(FIX_VDSO - 1) |
| |
| #ifndef __ASSEMBLY__ |
| #include <linux/kernel.h> |
| #include <asm/acpi.h> |
| #include <asm/apicdef.h> |
| #include <asm/page.h> |
| |
| enum fixed_addresses { |
| FIX_HOLE, |
| FIX_VDSO, |
| FIX_DBGP_BASE, |
| FIX_EARLYCON_MEM_BASE, |
| __end_of_permanent_fixed_addresses, |
| |
| #define NR_FIX_BTMAPS 16 |
| FIX_BTMAP_END = __end_of_permanent_fixed_addresses, |
| FIX_BTMAP_BEGIN = FIX_BTMAP_END + NR_FIX_BTMAPS - 1, |
| FIX_WP_TEST, |
| __end_of_fixed_addresses |
| }; |
| |
| #define set_fixmap(idx, phys) __set_fixmap(idx, phys, PAGE_KERNEL) |
| |
| #define set_fixmap_nocache(idx, phys) __set_fixmap(idx, phys, PAGE_KERNEL_NOCACHE) |
| |
| #define clear_fixmap(idx) __set_fixmap(idx, 0, __pgprot(0)) |
| |
| #define FIXADDR_TOP ((unsigned long)__FIXADDR_TOP) |
| |
| #define __FIXADDR_SIZE (__end_of_permanent_fixed_addresses << PAGE_SHIFT) |
| #define __FIXADDR_BOOT_SIZE (__end_of_fixed_addresses << PAGE_SHIFT) |
| #define FIXADDR_START (FIXADDR_TOP - __FIXADDR_SIZE) |
| #define FIXADDR_BOOT_START (FIXADDR_TOP - __FIXADDR_BOOT_SIZE) |
| |
| #define __fix_to_virt(x) (FIXADDR_TOP - ((x) << PAGE_SHIFT)) |
| #define __virt_to_fix(x) ((FIXADDR_TOP - ((x)&PAGE_MASK)) >> PAGE_SHIFT) |
| |
| #endif |
| #endif |
