111cd02dfb91661c65134cac258cf5924270e9d2Dan Albert/**************************************************************************** 211cd02dfb91661c65134cac258cf5924270e9d2Dan Albert **************************************************************************** 311cd02dfb91661c65134cac258cf5924270e9d2Dan Albert *** 411cd02dfb91661c65134cac258cf5924270e9d2Dan Albert *** This header was automatically generated from a Linux kernel header 511cd02dfb91661c65134cac258cf5924270e9d2Dan Albert *** of the same name, to make information necessary for userspace to 611cd02dfb91661c65134cac258cf5924270e9d2Dan Albert *** call into the kernel available to libc. It contains only constants, 711cd02dfb91661c65134cac258cf5924270e9d2Dan Albert *** structures, and macros generated from the original header, and thus, 811cd02dfb91661c65134cac258cf5924270e9d2Dan Albert *** contains no copyrightable information. 911cd02dfb91661c65134cac258cf5924270e9d2Dan Albert *** 1011cd02dfb91661c65134cac258cf5924270e9d2Dan Albert *** To edit the content of this header, modify the corresponding 1111cd02dfb91661c65134cac258cf5924270e9d2Dan Albert *** source file (e.g. under external/kernel-headers/original/) then 1211cd02dfb91661c65134cac258cf5924270e9d2Dan Albert *** run bionic/libc/kernel/tools/update_all.py 1311cd02dfb91661c65134cac258cf5924270e9d2Dan Albert *** 1411cd02dfb91661c65134cac258cf5924270e9d2Dan Albert *** Any manual change here will be lost the next time this script will 1511cd02dfb91661c65134cac258cf5924270e9d2Dan Albert *** be run. You've been warned! 1611cd02dfb91661c65134cac258cf5924270e9d2Dan Albert *** 1711cd02dfb91661c65134cac258cf5924270e9d2Dan Albert **************************************************************************** 1811cd02dfb91661c65134cac258cf5924270e9d2Dan Albert ****************************************************************************/ 1911cd02dfb91661c65134cac258cf5924270e9d2Dan Albert#ifndef __ARCH_DESC_H 2011cd02dfb91661c65134cac258cf5924270e9d2Dan Albert#define __ARCH_DESC_H 2111cd02dfb91661c65134cac258cf5924270e9d2Dan Albert#include <asm/ldt.h> 2211cd02dfb91661c65134cac258cf5924270e9d2Dan Albert#include <asm/segment.h> 2311cd02dfb91661c65134cac258cf5924270e9d2Dan Albert/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 2411cd02dfb91661c65134cac258cf5924270e9d2Dan Albert#ifndef __ASSEMBLY__ 2511cd02dfb91661c65134cac258cf5924270e9d2Dan Albert#include <linux/preempt.h> 2611cd02dfb91661c65134cac258cf5924270e9d2Dan Albert#include <linux/smp.h> 2711cd02dfb91661c65134cac258cf5924270e9d2Dan Albert#include <linux/percpu.h> 2811cd02dfb91661c65134cac258cf5924270e9d2Dan Albert/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 2911cd02dfb91661c65134cac258cf5924270e9d2Dan Albert#include <asm/mmu.h> 3011cd02dfb91661c65134cac258cf5924270e9d2Dan Albertstruct Xgt_desc_struct { 3111cd02dfb91661c65134cac258cf5924270e9d2Dan Albert unsigned short size; 3211cd02dfb91661c65134cac258cf5924270e9d2Dan Albert unsigned long address __attribute__((packed)); 3311cd02dfb91661c65134cac258cf5924270e9d2Dan Albert/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 3411cd02dfb91661c65134cac258cf5924270e9d2Dan Albert unsigned short pad; 3511cd02dfb91661c65134cac258cf5924270e9d2Dan Albert} __attribute__ ((packed)); 3611cd02dfb91661c65134cac258cf5924270e9d2Dan Albertstruct gdt_page 3711cd02dfb91661c65134cac258cf5924270e9d2Dan Albert{ 3811cd02dfb91661c65134cac258cf5924270e9d2Dan Albert/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 3911cd02dfb91661c65134cac258cf5924270e9d2Dan Albert struct desc_struct gdt[GDT_ENTRIES]; 4011cd02dfb91661c65134cac258cf5924270e9d2Dan Albert} __attribute__((aligned(PAGE_SIZE))); 4111cd02dfb91661c65134cac258cf5924270e9d2Dan Albert#define DESCTYPE_LDT 0x82 4211cd02dfb91661c65134cac258cf5924270e9d2Dan Albert#define DESCTYPE_TSS 0x89 4311cd02dfb91661c65134cac258cf5924270e9d2Dan Albert/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 4411cd02dfb91661c65134cac258cf5924270e9d2Dan Albert#define DESCTYPE_TASK 0x85 4511cd02dfb91661c65134cac258cf5924270e9d2Dan Albert#define DESCTYPE_INT 0x8e 4611cd02dfb91661c65134cac258cf5924270e9d2Dan Albert#define DESCTYPE_TRAP 0x8f 4711cd02dfb91661c65134cac258cf5924270e9d2Dan Albert#define DESCTYPE_DPL3 0x60 4811cd02dfb91661c65134cac258cf5924270e9d2Dan Albert/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 4911cd02dfb91661c65134cac258cf5924270e9d2Dan Albert#define DESCTYPE_S 0x10 5011cd02dfb91661c65134cac258cf5924270e9d2Dan Albert#define load_TR_desc() native_load_tr_desc() 5111cd02dfb91661c65134cac258cf5924270e9d2Dan Albert#define load_gdt(dtr) native_load_gdt(dtr) 5211cd02dfb91661c65134cac258cf5924270e9d2Dan Albert#define load_idt(dtr) native_load_idt(dtr) 5311cd02dfb91661c65134cac258cf5924270e9d2Dan Albert/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 5411cd02dfb91661c65134cac258cf5924270e9d2Dan Albert#define load_tr(tr) __asm__ __volatile("ltr %0"::"m" (tr)) 5511cd02dfb91661c65134cac258cf5924270e9d2Dan Albert#define load_ldt(ldt) __asm__ __volatile("lldt %0"::"m" (ldt)) 5611cd02dfb91661c65134cac258cf5924270e9d2Dan Albert#define store_gdt(dtr) native_store_gdt(dtr) 5711cd02dfb91661c65134cac258cf5924270e9d2Dan Albert#define store_idt(dtr) native_store_idt(dtr) 5811cd02dfb91661c65134cac258cf5924270e9d2Dan Albert/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 5911cd02dfb91661c65134cac258cf5924270e9d2Dan Albert#define store_tr(tr) (tr = native_store_tr()) 6011cd02dfb91661c65134cac258cf5924270e9d2Dan Albert#define store_ldt(ldt) __asm__ ("sldt %0":"=m" (ldt)) 6111cd02dfb91661c65134cac258cf5924270e9d2Dan Albert#define load_TLS(t, cpu) native_load_tls(t, cpu) 6211cd02dfb91661c65134cac258cf5924270e9d2Dan Albert#define set_ldt native_set_ldt 6311cd02dfb91661c65134cac258cf5924270e9d2Dan Albert/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 6411cd02dfb91661c65134cac258cf5924270e9d2Dan Albert#define write_ldt_entry(dt, entry, a, b) write_dt_entry(dt, entry, a, b) 6511cd02dfb91661c65134cac258cf5924270e9d2Dan Albert#define write_gdt_entry(dt, entry, a, b) write_dt_entry(dt, entry, a, b) 6611cd02dfb91661c65134cac258cf5924270e9d2Dan Albert#define write_idt_entry(dt, entry, a, b) write_dt_entry(dt, entry, a, b) 6711cd02dfb91661c65134cac258cf5924270e9d2Dan Albert#define set_tss_desc(cpu,addr) __set_tss_desc(cpu, GDT_ENTRY_TSS, addr) 6811cd02dfb91661c65134cac258cf5924270e9d2Dan Albert/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 6911cd02dfb91661c65134cac258cf5924270e9d2Dan Albert#define LDT_entry_a(info) ((((info)->base_addr & 0x0000ffff) << 16) | ((info)->limit & 0x0ffff)) 7011cd02dfb91661c65134cac258cf5924270e9d2Dan Albert#define LDT_entry_b(info) (((info)->base_addr & 0xff000000) | (((info)->base_addr & 0x00ff0000) >> 16) | ((info)->limit & 0xf0000) | (((info)->read_exec_only ^ 1) << 9) | ((info)->contents << 10) | (((info)->seg_not_present ^ 1) << 15) | ((info)->seg_32bit << 22) | ((info)->limit_in_pages << 23) | ((info)->useable << 20) | 0x7000) 7111cd02dfb91661c65134cac258cf5924270e9d2Dan Albert#define LDT_empty(info) ( (info)->base_addr == 0 && (info)->limit == 0 && (info)->contents == 0 && (info)->read_exec_only == 1 && (info)->seg_32bit == 0 && (info)->limit_in_pages == 0 && (info)->seg_not_present == 1 && (info)->useable == 0 ) 7211cd02dfb91661c65134cac258cf5924270e9d2Dan Albert#else 7311cd02dfb91661c65134cac258cf5924270e9d2Dan Albert/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 7411cd02dfb91661c65134cac258cf5924270e9d2Dan Albert#define GET_DESC_BASE(idx, gdt, base, lo_w, lo_b, hi_b) movb idx*8+4(gdt), lo_b; movb idx*8+7(gdt), hi_b; shll $16, base; movw idx*8+2(gdt), lo_w; 7511cd02dfb91661c65134cac258cf5924270e9d2Dan Albert#endif 7611cd02dfb91661c65134cac258cf5924270e9d2Dan Albert#endif 77