arch/parisc/kernel/asm-offsets.c

   1 /*
   2  * Generate definitions needed by assembly language modules.
   3  * This code generates raw asm output which is post-processed to extract
   4  * and format the required data.
   5  *
   6  *    Copyright (C) 2000-2001 John Marvin <jsm at parisc-linux.org>
   7  *    Copyright (C) 2000 David Huggins-Daines <dhd with pobox.org>
   8  *    Copyright (C) 2000 Sam Creasey <sammy@sammy.net>
   9  *    Copyright (C) 2000 Grant Grundler <grundler with parisc-linux.org>
  10  *    Copyright (C) 2001 Paul Bame <bame at parisc-linux.org>
  11  *    Copyright (C) 2001 Richard Hirst <rhirst at parisc-linux.org>
  12  *    Copyright (C) 2002 Randolph Chung <tausq with parisc-linux.org>
  13  *    Copyright (C) 2003 James Bottomley <jejb at parisc-linux.org>
  14  *
  15  *    This program is free software; you can redistribute it and/or modify
  16  *    it under the terms of the GNU General Public License as published by
  17  *    the Free Software Foundation; either version 2 of the License, or
  18  *    (at your option) any later version.
  19  *
  20  *    This program is distributed in the hope that it will be useful,
  21  *    but WITHOUT ANY WARRANTY; without even the implied warranty of
  22  *    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  23  *    GNU General Public License for more details.
  24  *
  25  *    You should have received a copy of the GNU General Public License
  26  *    along with this program; if not, write to the Free Software
  27  *    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  28  */
  29
  30 #include <linux/types.h>
  31 #include <linux/sched.h>
  32 #include <linux/thread_info.h>
  33 #include <linux/version.h>
  34 #include <linux/ptrace.h>
  35 #include <linux/hardirq.h>
  36
  37 #include <asm/pgtable.h>
  38 #include <asm/ptrace.h>
  39 #include <asm/processor.h>
  40 #include <asm/pdc.h>
  41 #include <asm/uaccess.h>
  42
  43 #define DEFINE(sym, val) \
  44         asm volatile("\n->" #sym " %0 " #val : : "i" (val))
  45
  46 #define BLANK() asm volatile("\n->" : : )
  47
  48 #ifdef __LP64__
  49 #define FRAME_SIZE      128
  50 #else
  51 #define FRAME_SIZE      64
  52 #endif
  53
  54 #define align(x,y) (((x)+FRAME_SIZE+(y)-1) - (((x)+(y)-1)%(y)))
  55
  56 int main(void)
  57 {
  58         DEFINE(TASK_THREAD_INFO, offsetof(struct task_struct, thread_info));
  59         DEFINE(TASK_STATE, offsetof(struct task_struct, state));
  60         DEFINE(TASK_FLAGS, offsetof(struct task_struct, flags));
  61         DEFINE(TASK_SIGPENDING, offsetof(struct task_struct, pending));
  62         DEFINE(TASK_PTRACE, offsetof(struct task_struct, ptrace));
  63         DEFINE(TASK_MM, offsetof(struct task_struct, mm));
  64         DEFINE(TASK_PERSONALITY, offsetof(struct task_struct, personality));
  65         DEFINE(TASK_PID, offsetof(struct task_struct, pid));
  66         BLANK();
  67         DEFINE(TASK_REGS, offsetof(struct task_struct, thread.regs));
  68         DEFINE(TASK_PT_PSW, offsetof(struct task_struct, thread.regs.gr[ 0]));
  69         DEFINE(TASK_PT_GR1, offsetof(struct task_struct, thread.regs.gr[ 1]));
  70         DEFINE(TASK_PT_GR2, offsetof(struct task_struct, thread.regs.gr[ 2]));
  71         DEFINE(TASK_PT_GR3, offsetof(struct task_struct, thread.regs.gr[ 3]));
  72         DEFINE(TASK_PT_GR4, offsetof(struct task_struct, thread.regs.gr[ 4]));
  73         DEFINE(TASK_PT_GR5, offsetof(struct task_struct, thread.regs.gr[ 5]));
  74         DEFINE(TASK_PT_GR6, offsetof(struct task_struct, thread.regs.gr[ 6]));
  75         DEFINE(TASK_PT_GR7, offsetof(struct task_struct, thread.regs.gr[ 7]));
  76         DEFINE(TASK_PT_GR8, offsetof(struct task_struct, thread.regs.gr[ 8]));
  77         DEFINE(TASK_PT_GR9, offsetof(struct task_struct, thread.regs.gr[ 9]));
  78         DEFINE(TASK_PT_GR10, offsetof(struct task_struct, thread.regs.gr[10]));
  79         DEFINE(TASK_PT_GR11, offsetof(struct task_struct, thread.regs.gr[11]));
  80         DEFINE(TASK_PT_GR12, offsetof(struct task_struct, thread.regs.gr[12]));
  81         DEFINE(TASK_PT_GR13, offsetof(struct task_struct, thread.regs.gr[13]));
  82         DEFINE(TASK_PT_GR14, offsetof(struct task_struct, thread.regs.gr[14]));
  83         DEFINE(TASK_PT_GR15, offsetof(struct task_struct, thread.regs.gr[15]));
  84         DEFINE(TASK_PT_GR16, offsetof(struct task_struct, thread.regs.gr[16]));
  85         DEFINE(TASK_PT_GR17, offsetof(struct task_struct, thread.regs.gr[17]));
  86         DEFINE(TASK_PT_GR18, offsetof(struct task_struct, thread.regs.gr[18]));
  87         DEFINE(TASK_PT_GR19, offsetof(struct task_struct, thread.regs.gr[19]));
  88         DEFINE(TASK_PT_GR20, offsetof(struct task_struct, thread.regs.gr[20]));
  89         DEFINE(TASK_PT_GR21, offsetof(struct task_struct, thread.regs.gr[21]));
  90         DEFINE(TASK_PT_GR22, offsetof(struct task_struct, thread.regs.gr[22]));
  91         DEFINE(TASK_PT_GR23, offsetof(struct task_struct, thread.regs.gr[23]));
  92         DEFINE(TASK_PT_GR24, offsetof(struct task_struct, thread.regs.gr[24]));
  93         DEFINE(TASK_PT_GR25, offsetof(struct task_struct, thread.regs.gr[25]));
  94         DEFINE(TASK_PT_GR26, offsetof(struct task_struct, thread.regs.gr[26]));
  95         DEFINE(TASK_PT_GR27, offsetof(struct task_struct, thread.regs.gr[27]));
  96         DEFINE(TASK_PT_GR28, offsetof(struct task_struct, thread.regs.gr[28]));
  97         DEFINE(TASK_PT_GR29, offsetof(struct task_struct, thread.regs.gr[29]));
  98         DEFINE(TASK_PT_GR30, offsetof(struct task_struct, thread.regs.gr[30]));
  99         DEFINE(TASK_PT_GR31, offsetof(struct task_struct, thread.regs.gr[31]));
 100         DEFINE(TASK_PT_FR0, offsetof(struct task_struct, thread.regs.fr[ 0]));
 101         DEFINE(TASK_PT_FR1, offsetof(struct task_struct, thread.regs.fr[ 1]));
 102         DEFINE(TASK_PT_FR2, offsetof(struct task_struct, thread.regs.fr[ 2]));
 103         DEFINE(TASK_PT_FR3, offsetof(struct task_struct, thread.regs.fr[ 3]));
 104         DEFINE(TASK_PT_FR4, offsetof(struct task_struct, thread.regs.fr[ 4]));
 105         DEFINE(TASK_PT_FR5, offsetof(struct task_struct, thread.regs.fr[ 5]));
 106         DEFINE(TASK_PT_FR6, offsetof(struct task_struct, thread.regs.fr[ 6]));
 107         DEFINE(TASK_PT_FR7, offsetof(struct task_struct, thread.regs.fr[ 7]));
 108         DEFINE(TASK_PT_FR8, offsetof(struct task_struct, thread.regs.fr[ 8]));
 109         DEFINE(TASK_PT_FR9, offsetof(struct task_struct, thread.regs.fr[ 9]));
 110         DEFINE(TASK_PT_FR10, offsetof(struct task_struct, thread.regs.fr[10]));
 111         DEFINE(TASK_PT_FR11, offsetof(struct task_struct, thread.regs.fr[11]));
 112         DEFINE(TASK_PT_FR12, offsetof(struct task_struct, thread.regs.fr[12]));
 113         DEFINE(TASK_PT_FR13, offsetof(struct task_struct, thread.regs.fr[13]));
 114         DEFINE(TASK_PT_FR14, offsetof(struct task_struct, thread.regs.fr[14]));
 115         DEFINE(TASK_PT_FR15, offsetof(struct task_struct, thread.regs.fr[15]));
 116         DEFINE(TASK_PT_FR16, offsetof(struct task_struct, thread.regs.fr[16]));
 117         DEFINE(TASK_PT_FR17, offsetof(struct task_struct, thread.regs.fr[17]));
 118         DEFINE(TASK_PT_FR18, offsetof(struct task_struct, thread.regs.fr[18]));
 119         DEFINE(TASK_PT_FR19, offsetof(struct task_struct, thread.regs.fr[19]));
 120         DEFINE(TASK_PT_FR20, offsetof(struct task_struct, thread.regs.fr[20]));
 121         DEFINE(TASK_PT_FR21, offsetof(struct task_struct, thread.regs.fr[21]));
 122         DEFINE(TASK_PT_FR22, offsetof(struct task_struct, thread.regs.fr[22]));
 123         DEFINE(TASK_PT_FR23, offsetof(struct task_struct, thread.regs.fr[23]));
 124         DEFINE(TASK_PT_FR24, offsetof(struct task_struct, thread.regs.fr[24]));
 125         DEFINE(TASK_PT_FR25, offsetof(struct task_struct, thread.regs.fr[25]));
 126         DEFINE(TASK_PT_FR26, offsetof(struct task_struct, thread.regs.fr[26]));
 127         DEFINE(TASK_PT_FR27, offsetof(struct task_struct, thread.regs.fr[27]));
 128         DEFINE(TASK_PT_FR28, offsetof(struct task_struct, thread.regs.fr[28]));
 129         DEFINE(TASK_PT_FR29, offsetof(struct task_struct, thread.regs.fr[29]));
 130         DEFINE(TASK_PT_FR30, offsetof(struct task_struct, thread.regs.fr[30]));
 131         DEFINE(TASK_PT_FR31, offsetof(struct task_struct, thread.regs.fr[31]));
 132         DEFINE(TASK_PT_SR0, offsetof(struct task_struct, thread.regs.sr[ 0]));
 133         DEFINE(TASK_PT_SR1, offsetof(struct task_struct, thread.regs.sr[ 1]));
 134         DEFINE(TASK_PT_SR2, offsetof(struct task_struct, thread.regs.sr[ 2]));
 135         DEFINE(TASK_PT_SR3, offsetof(struct task_struct, thread.regs.sr[ 3]));
 136         DEFINE(TASK_PT_SR4, offsetof(struct task_struct, thread.regs.sr[ 4]));
 137         DEFINE(TASK_PT_SR5, offsetof(struct task_struct, thread.regs.sr[ 5]));
 138         DEFINE(TASK_PT_SR6, offsetof(struct task_struct, thread.regs.sr[ 6]));
 139         DEFINE(TASK_PT_SR7, offsetof(struct task_struct, thread.regs.sr[ 7]));
 140         DEFINE(TASK_PT_IASQ0, offsetof(struct task_struct, thread.regs.iasq[0]));
 141         DEFINE(TASK_PT_IASQ1, offsetof(struct task_struct, thread.regs.iasq[1]));
 142         DEFINE(TASK_PT_IAOQ0, offsetof(struct task_struct, thread.regs.iaoq[0]));
 143         DEFINE(TASK_PT_IAOQ1, offsetof(struct task_struct, thread.regs.iaoq[1]));
 144         DEFINE(TASK_PT_CR27, offsetof(struct task_struct, thread.regs.cr27));
 145         DEFINE(TASK_PT_ORIG_R28, offsetof(struct task_struct, thread.regs.orig_r28));
 146         DEFINE(TASK_PT_KSP, offsetof(struct task_struct, thread.regs.ksp));
 147         DEFINE(TASK_PT_KPC, offsetof(struct task_struct, thread.regs.kpc));
 148         DEFINE(TASK_PT_SAR, offsetof(struct task_struct, thread.regs.sar));
 149         DEFINE(TASK_PT_IIR, offsetof(struct task_struct, thread.regs.iir));
 150         DEFINE(TASK_PT_ISR, offsetof(struct task_struct, thread.regs.isr));
 151         DEFINE(TASK_PT_IOR, offsetof(struct task_struct, thread.regs.ior));
 152         BLANK();
 153         DEFINE(TASK_SZ, sizeof(struct task_struct));
 154         DEFINE(TASK_SZ_ALGN, align(sizeof(struct task_struct), 64));
 155         BLANK();
 156         DEFINE(PT_PSW, offsetof(struct pt_regs, gr[ 0]));
 157         DEFINE(PT_GR1, offsetof(struct pt_regs, gr[ 1]));
 158         DEFINE(PT_GR2, offsetof(struct pt_regs, gr[ 2]));
 159         DEFINE(PT_GR3, offsetof(struct pt_regs, gr[ 3]));
 160         DEFINE(PT_GR4, offsetof(struct pt_regs, gr[ 4]));
 161         DEFINE(PT_GR5, offsetof(struct pt_regs, gr[ 5]));
 162         DEFINE(PT_GR6, offsetof(struct pt_regs, gr[ 6]));
 163         DEFINE(PT_GR7, offsetof(struct pt_regs, gr[ 7]));
 164         DEFINE(PT_GR8, offsetof(struct pt_regs, gr[ 8]));
 165         DEFINE(PT_GR9, offsetof(struct pt_regs, gr[ 9]));
 166         DEFINE(PT_GR10, offsetof(struct pt_regs, gr[10]));
 167         DEFINE(PT_GR11, offsetof(struct pt_regs, gr[11]));
 168         DEFINE(PT_GR12, offsetof(struct pt_regs, gr[12]));
 169         DEFINE(PT_GR13, offsetof(struct pt_regs, gr[13]));
 170         DEFINE(PT_GR14, offsetof(struct pt_regs, gr[14]));
 171         DEFINE(PT_GR15, offsetof(struct pt_regs, gr[15]));
 172         DEFINE(PT_GR16, offsetof(struct pt_regs, gr[16]));
 173         DEFINE(PT_GR17, offsetof(struct pt_regs, gr[17]));
 174         DEFINE(PT_GR18, offsetof(struct pt_regs, gr[18]));
 175         DEFINE(PT_GR19, offsetof(struct pt_regs, gr[19]));
 176         DEFINE(PT_GR20, offsetof(struct pt_regs, gr[20]));
 177         DEFINE(PT_GR21, offsetof(struct pt_regs, gr[21]));
 178         DEFINE(PT_GR22, offsetof(struct pt_regs, gr[22]));
 179         DEFINE(PT_GR23, offsetof(struct pt_regs, gr[23]));
 180         DEFINE(PT_GR24, offsetof(struct pt_regs, gr[24]));
 181         DEFINE(PT_GR25, offsetof(struct pt_regs, gr[25]));
 182         DEFINE(PT_GR26, offsetof(struct pt_regs, gr[26]));
 183         DEFINE(PT_GR27, offsetof(struct pt_regs, gr[27]));
 184         DEFINE(PT_GR28, offsetof(struct pt_regs, gr[28]));
 185         DEFINE(PT_GR29, offsetof(struct pt_regs, gr[29]));
 186         DEFINE(PT_GR30, offsetof(struct pt_regs, gr[30]));
 187         DEFINE(PT_GR31, offsetof(struct pt_regs, gr[31]));
 188         DEFINE(PT_FR0, offsetof(struct pt_regs, fr[ 0]));
 189         DEFINE(PT_FR1, offsetof(struct pt_regs, fr[ 1]));
 190         DEFINE(PT_FR2, offsetof(struct pt_regs, fr[ 2]));
 191         DEFINE(PT_FR3, offsetof(struct pt_regs, fr[ 3]));
 192         DEFINE(PT_FR4, offsetof(struct pt_regs, fr[ 4]));
 193         DEFINE(PT_FR5, offsetof(struct pt_regs, fr[ 5]));
 194         DEFINE(PT_FR6, offsetof(struct pt_regs, fr[ 6]));
 195         DEFINE(PT_FR7, offsetof(struct pt_regs, fr[ 7]));
 196         DEFINE(PT_FR8, offsetof(struct pt_regs, fr[ 8]));
 197         DEFINE(PT_FR9, offsetof(struct pt_regs, fr[ 9]));
 198         DEFINE(PT_FR10, offsetof(struct pt_regs, fr[10]));
 199         DEFINE(PT_FR11, offsetof(struct pt_regs, fr[11]));
 200         DEFINE(PT_FR12, offsetof(struct pt_regs, fr[12]));
 201         DEFINE(PT_FR13, offsetof(struct pt_regs, fr[13]));
 202         DEFINE(PT_FR14, offsetof(struct pt_regs, fr[14]));
 203         DEFINE(PT_FR15, offsetof(struct pt_regs, fr[15]));
 204         DEFINE(PT_FR16, offsetof(struct pt_regs, fr[16]));
 205         DEFINE(PT_FR17, offsetof(struct pt_regs, fr[17]));
 206         DEFINE(PT_FR18, offsetof(struct pt_regs, fr[18]));
 207         DEFINE(PT_FR19, offsetof(struct pt_regs, fr[19]));
 208         DEFINE(PT_FR20, offsetof(struct pt_regs, fr[20]));
 209         DEFINE(PT_FR21, offsetof(struct pt_regs, fr[21]));
 210         DEFINE(PT_FR22, offsetof(struct pt_regs, fr[22]));
 211         DEFINE(PT_FR23, offsetof(struct pt_regs, fr[23]));
 212         DEFINE(PT_FR24, offsetof(struct pt_regs, fr[24]));
 213         DEFINE(PT_FR25, offsetof(struct pt_regs, fr[25]));
 214         DEFINE(PT_FR26, offsetof(struct pt_regs, fr[26]));
 215         DEFINE(PT_FR27, offsetof(struct pt_regs, fr[27]));
 216         DEFINE(PT_FR28, offsetof(struct pt_regs, fr[28]));
 217         DEFINE(PT_FR29, offsetof(struct pt_regs, fr[29]));
 218         DEFINE(PT_FR30, offsetof(struct pt_regs, fr[30]));
 219         DEFINE(PT_FR31, offsetof(struct pt_regs, fr[31]));
 220         DEFINE(PT_SR0, offsetof(struct pt_regs, sr[ 0]));
 221         DEFINE(PT_SR1, offsetof(struct pt_regs, sr[ 1]));
 222         DEFINE(PT_SR2, offsetof(struct pt_regs, sr[ 2]));
 223         DEFINE(PT_SR3, offsetof(struct pt_regs, sr[ 3]));
 224         DEFINE(PT_SR4, offsetof(struct pt_regs, sr[ 4]));
 225         DEFINE(PT_SR5, offsetof(struct pt_regs, sr[ 5]));
 226         DEFINE(PT_SR6, offsetof(struct pt_regs, sr[ 6]));
 227         DEFINE(PT_SR7, offsetof(struct pt_regs, sr[ 7]));
 228         DEFINE(PT_IASQ0, offsetof(struct pt_regs, iasq[0]));
 229         DEFINE(PT_IASQ1, offsetof(struct pt_regs, iasq[1]));
 230         DEFINE(PT_IAOQ0, offsetof(struct pt_regs, iaoq[0]));
 231         DEFINE(PT_IAOQ1, offsetof(struct pt_regs, iaoq[1]));
 232         DEFINE(PT_CR27, offsetof(struct pt_regs, cr27));
 233         DEFINE(PT_ORIG_R28, offsetof(struct pt_regs, orig_r28));
 234         DEFINE(PT_KSP, offsetof(struct pt_regs, ksp));
 235         DEFINE(PT_KPC, offsetof(struct pt_regs, kpc));
 236         DEFINE(PT_SAR, offsetof(struct pt_regs, sar));
 237         DEFINE(PT_IIR, offsetof(struct pt_regs, iir));
 238         DEFINE(PT_ISR, offsetof(struct pt_regs, isr));
 239         DEFINE(PT_IOR, offsetof(struct pt_regs, ior));
 240         DEFINE(PT_SIZE, sizeof(struct pt_regs));
 241         DEFINE(PT_SZ_ALGN, align(sizeof(struct pt_regs), 64));
 242         BLANK();
 243         DEFINE(TI_TASK, offsetof(struct thread_info, task));
 244         DEFINE(TI_EXEC_DOMAIN, offsetof(struct thread_info, exec_domain));
 245         DEFINE(TI_FLAGS, offsetof(struct thread_info, flags));
 246         DEFINE(TI_CPU, offsetof(struct thread_info, cpu));
 247         DEFINE(TI_SEGMENT, offsetof(struct thread_info, addr_limit));
 248         DEFINE(TI_PRE_COUNT, offsetof(struct thread_info, preempt_count));
 249         DEFINE(THREAD_SZ, sizeof(struct thread_info));
 250         DEFINE(THREAD_SZ_ALGN, align(sizeof(struct thread_info), 64));
 251         BLANK();
 252         DEFINE(IRQSTAT_SIRQ_PEND, offsetof(irq_cpustat_t, __softirq_pending));
 253         DEFINE(IRQSTAT_SZ, sizeof(irq_cpustat_t));
 254         BLANK();
 255         DEFINE(ICACHE_BASE, offsetof(struct pdc_cache_info, ic_base));
 256         DEFINE(ICACHE_STRIDE, offsetof(struct pdc_cache_info, ic_stride));
 257         DEFINE(ICACHE_COUNT, offsetof(struct pdc_cache_info, ic_count));
 258         DEFINE(ICACHE_LOOP, offsetof(struct pdc_cache_info, ic_loop));
 259         DEFINE(DCACHE_BASE, offsetof(struct pdc_cache_info, dc_base));
 260         DEFINE(DCACHE_STRIDE, offsetof(struct pdc_cache_info, dc_stride));
 261         DEFINE(DCACHE_COUNT, offsetof(struct pdc_cache_info, dc_count));
 262         DEFINE(DCACHE_LOOP, offsetof(struct pdc_cache_info, dc_loop));
 263         DEFINE(ITLB_SID_BASE, offsetof(struct pdc_cache_info, it_sp_base));
 264         DEFINE(ITLB_SID_STRIDE, offsetof(struct pdc_cache_info, it_sp_stride));
 265         DEFINE(ITLB_SID_COUNT, offsetof(struct pdc_cache_info, it_sp_count));
 266         DEFINE(ITLB_OFF_BASE, offsetof(struct pdc_cache_info, it_off_base));
 267         DEFINE(ITLB_OFF_STRIDE, offsetof(struct pdc_cache_info, it_off_stride));
 268         DEFINE(ITLB_OFF_COUNT, offsetof(struct pdc_cache_info, it_off_count));
 269         DEFINE(ITLB_LOOP, offsetof(struct pdc_cache_info, it_loop));
 270         DEFINE(DTLB_SID_BASE, offsetof(struct pdc_cache_info, dt_sp_base));
 271         DEFINE(DTLB_SID_STRIDE, offsetof(struct pdc_cache_info, dt_sp_stride));
 272         DEFINE(DTLB_SID_COUNT, offsetof(struct pdc_cache_info, dt_sp_count));
 273         DEFINE(DTLB_OFF_BASE, offsetof(struct pdc_cache_info, dt_off_base));
 274         DEFINE(DTLB_OFF_STRIDE, offsetof(struct pdc_cache_info, dt_off_stride));
 275         DEFINE(DTLB_OFF_COUNT, offsetof(struct pdc_cache_info, dt_off_count));
 276         DEFINE(DTLB_LOOP, offsetof(struct pdc_cache_info, dt_loop));
 277         BLANK();
 278         DEFINE(PA_BLOCKSTEP_BIT, 31-PT_BLOCKSTEP_BIT);
 279         DEFINE(PA_SINGLESTEP_BIT, 31-PT_SINGLESTEP_BIT);
 280         BLANK();
 281         DEFINE(ASM_PMD_SHIFT, PMD_SHIFT);
 282         DEFINE(ASM_PGDIR_SHIFT, PGDIR_SHIFT);
 283         DEFINE(ASM_BITS_PER_PGD, BITS_PER_PGD);
 284         DEFINE(ASM_BITS_PER_PMD, BITS_PER_PMD);
 285         DEFINE(ASM_BITS_PER_PTE, BITS_PER_PTE);
 286         DEFINE(ASM_PGD_PMD_OFFSET, -(PAGE_SIZE << PGD_ORDER));
 287         DEFINE(ASM_PMD_ENTRY, ((PAGE_OFFSET & PMD_MASK) >> PMD_SHIFT));
 288         DEFINE(ASM_PGD_ENTRY, PAGE_OFFSET >> PGDIR_SHIFT);
 289         DEFINE(ASM_PGD_ENTRY_SIZE, PGD_ENTRY_SIZE);
 290         DEFINE(ASM_PMD_ENTRY_SIZE, PMD_ENTRY_SIZE);
 291         DEFINE(ASM_PTE_ENTRY_SIZE, PTE_ENTRY_SIZE);
 292         DEFINE(ASM_PT_INITIAL, PT_INITIAL);
 293         DEFINE(ASM_PAGE_SIZE, PAGE_SIZE);
 294         BLANK();
 295         DEFINE(EXCDATA_IP, offsetof(struct exception_data, fault_ip));
 296         DEFINE(EXCDATA_SPACE, offsetof(struct exception_data, fault_space));
 297         DEFINE(EXCDATA_ADDR, offsetof(struct exception_data, fault_addr));
 298         return 0;
 299 }