1 /**************************************************************************** 2 **************************************************************************** 3 *** 4 *** This header was automatically generated from a Linux kernel header 5 *** of the same name, to make information necessary for userspace to 6 *** call into the kernel available to libc. It contains only constants, 7 *** structures, and macros generated from the original header, and thus, 8 *** contains no copyrightable information. 9 *** 10 *** To edit the content of this header, modify the corresponding 11 *** source file (e.g. under external/kernel-headers/original/) then 12 *** run bionic/libc/kernel/tools/update_all.py 13 *** 14 *** Any manual change here will be lost the next time this script will 15 *** be run. You've been warned! 16 *** 17 **************************************************************************** 18 ****************************************************************************/ 19 #ifndef _I386_TLBFLUSH_H 20 #define _I386_TLBFLUSH_H 21 #include <linux/mm.h> 22 #include <asm/processor.h> 23 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 24 #define __flush_tlb() __native_flush_tlb() 25 #define __flush_tlb_global() __native_flush_tlb_global() 26 #define __flush_tlb_single(addr) __native_flush_tlb_single(addr) 27 #define __native_flush_tlb() do { unsigned int tmpreg; __asm__ __volatile__( "movl %%cr3, %0; \n" "movl %0, %%cr3; # flush TLB \n" : "=r" (tmpreg) :: "memory"); } while (0) 28 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 29 #define __native_flush_tlb_global() do { unsigned int tmpreg, cr4, cr4_orig; __asm__ __volatile__( "movl %%cr4, %2; # turn off PGE \n" "movl %2, %1; \n" "andl %3, %1; \n" "movl %1, %%cr4; \n" "movl %%cr3, %0; \n" "movl %0, %%cr3; # flush TLB \n" "movl %2, %%cr4; # turn PGE back on \n" : "=&r" (tmpreg), "=&r" (cr4), "=&r" (cr4_orig) : "i" (~X86_CR4_PGE) : "memory"); } while (0) 30 #define __native_flush_tlb_single(addr) __asm__ __volatile__("invlpg (%0)" ::"r" (addr) : "memory") 31 #define __flush_tlb_all() do { if (cpu_has_pge) __flush_tlb_global(); else __flush_tlb(); } while (0) 32 #define cpu_has_invlpg (boot_cpu_data.x86 > 3) 33 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 34 #define __flush_tlb_one(addr) do { if (cpu_has_invlpg) __flush_tlb_single(addr); else __flush_tlb(); } while (0) 35 #define TLB_FLUSH_ALL 0xffffffff 36 #include <linux/sched.h> 37 #define flush_tlb() __flush_tlb() 38 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 39 #define flush_tlb_all() __flush_tlb_all() 40 #define local_flush_tlb() __flush_tlb() 41 #define flush_tlb_others(mask, mm, va) native_flush_tlb_others(&mask, mm, va) 42 #endif 43 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 44
