LXR linux/arch/arm64/kernel/asm-offsets.c

   1/*
   2 * Based on arch/arm/kernel/asm-offsets.c
   3 *
   4 * Copyright (C) 1995-2003 Russell King
   5 *               2001-2002 Keith Owens
   6 * Copyright (C) 2012 ARM Ltd.
   7 *
   8 * This program is free software; you can redistribute it and/or modify
   9 * it under the terms of the GNU General Public License version 2 as
  10 * published by the Free Software Foundation.
  11 *
  12 * This program is distributed in the hope that it will be useful,
  13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15 * GNU General Public License for more details.
  16 *
  17 * You should have received a copy of the GNU General Public License
  18 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  19 */
  20
  21#include <linux/sched.h>
  22#include <linux/mm.h>
  23#include <linux/dma-mapping.h>
  24#include <linux/kvm_host.h>
  25#include <asm/thread_info.h>
  26#include <asm/memory.h>
  27#include <asm/cputable.h>
  28#include <asm/smp_plat.h>
  29#include <asm/suspend.h>
  30#include <asm/vdso_datapage.h>
  31#include <linux/kbuild.h>
  32
  33int main(void)
  34{
  35  DEFINE(TSK_ACTIVE_MM,         offsetof(struct task_struct, active_mm));
  36  BLANK();
  37  DEFINE(TI_FLAGS,              offsetof(struct thread_info, flags));
  38  DEFINE(TI_PREEMPT,            offsetof(struct thread_info, preempt_count));
  39  DEFINE(TI_ADDR_LIMIT,         offsetof(struct thread_info, addr_limit));
  40  DEFINE(TI_TASK,               offsetof(struct thread_info, task));
  41  DEFINE(TI_EXEC_DOMAIN,        offsetof(struct thread_info, exec_domain));
  42  DEFINE(TI_CPU,                offsetof(struct thread_info, cpu));
  43  BLANK();
  44  DEFINE(THREAD_CPU_CONTEXT,    offsetof(struct task_struct, thread.cpu_context));
  45  BLANK();
  46  DEFINE(S_X0,                  offsetof(struct pt_regs, regs[0]));
  47  DEFINE(S_X1,                  offsetof(struct pt_regs, regs[1]));
  48  DEFINE(S_X2,                  offsetof(struct pt_regs, regs[2]));
  49  DEFINE(S_X3,                  offsetof(struct pt_regs, regs[3]));
  50  DEFINE(S_X4,                  offsetof(struct pt_regs, regs[4]));
  51  DEFINE(S_X5,                  offsetof(struct pt_regs, regs[5]));
  52  DEFINE(S_X6,                  offsetof(struct pt_regs, regs[6]));
  53  DEFINE(S_X7,                  offsetof(struct pt_regs, regs[7]));
  54  DEFINE(S_LR,                  offsetof(struct pt_regs, regs[30]));
  55  DEFINE(S_SP,                  offsetof(struct pt_regs, sp));
  56#ifdef CONFIG_COMPAT
  57  DEFINE(S_COMPAT_SP,           offsetof(struct pt_regs, compat_sp));
  58#endif
  59  DEFINE(S_PSTATE,              offsetof(struct pt_regs, pstate));
  60  DEFINE(S_PC,                  offsetof(struct pt_regs, pc));
  61  DEFINE(S_ORIG_X0,             offsetof(struct pt_regs, orig_x0));
  62  DEFINE(S_SYSCALLNO,           offsetof(struct pt_regs, syscallno));
  63  DEFINE(S_FRAME_SIZE,          sizeof(struct pt_regs));
  64  BLANK();
  65  DEFINE(MM_CONTEXT_ID,         offsetof(struct mm_struct, context.id));
  66  BLANK();
  67  DEFINE(VMA_VM_MM,             offsetof(struct vm_area_struct, vm_mm));
  68  DEFINE(VMA_VM_FLAGS,          offsetof(struct vm_area_struct, vm_flags));
  69  BLANK();
  70  DEFINE(VM_EXEC,               VM_EXEC);
  71  BLANK();
  72  DEFINE(PAGE_SZ,               PAGE_SIZE);
  73  BLANK();
  74  DEFINE(CPU_INFO_SZ,           sizeof(struct cpu_info));
  75  DEFINE(CPU_INFO_SETUP,        offsetof(struct cpu_info, cpu_setup));
  76  BLANK();
  77  DEFINE(DMA_BIDIRECTIONAL,     DMA_BIDIRECTIONAL);
  78  DEFINE(DMA_TO_DEVICE,         DMA_TO_DEVICE);
  79  DEFINE(DMA_FROM_DEVICE,       DMA_FROM_DEVICE);
  80  BLANK();
  81  DEFINE(CLOCK_REALTIME,        CLOCK_REALTIME);
  82  DEFINE(CLOCK_MONOTONIC,       CLOCK_MONOTONIC);
  83  DEFINE(CLOCK_REALTIME_RES,    MONOTONIC_RES_NSEC);
  84  DEFINE(CLOCK_REALTIME_COARSE, CLOCK_REALTIME_COARSE);
  85  DEFINE(CLOCK_MONOTONIC_COARSE,CLOCK_MONOTONIC_COARSE);
  86  DEFINE(CLOCK_COARSE_RES,      LOW_RES_NSEC);
  87  DEFINE(NSEC_PER_SEC,          NSEC_PER_SEC);
  88  BLANK();
  89  DEFINE(VDSO_CS_CYCLE_LAST,    offsetof(struct vdso_data, cs_cycle_last));
  90  DEFINE(VDSO_XTIME_CLK_SEC,    offsetof(struct vdso_data, xtime_clock_sec));
  91  DEFINE(VDSO_XTIME_CLK_NSEC,   offsetof(struct vdso_data, xtime_clock_nsec));
  92  DEFINE(VDSO_XTIME_CRS_SEC,    offsetof(struct vdso_data, xtime_coarse_sec));
  93  DEFINE(VDSO_XTIME_CRS_NSEC,   offsetof(struct vdso_data, xtime_coarse_nsec));
  94  DEFINE(VDSO_WTM_CLK_SEC,      offsetof(struct vdso_data, wtm_clock_sec));
  95  DEFINE(VDSO_WTM_CLK_NSEC,     offsetof(struct vdso_data, wtm_clock_nsec));
  96  DEFINE(VDSO_TB_SEQ_COUNT,     offsetof(struct vdso_data, tb_seq_count));
  97  DEFINE(VDSO_CS_MULT,          offsetof(struct vdso_data, cs_mult));
  98  DEFINE(VDSO_CS_SHIFT,         offsetof(struct vdso_data, cs_shift));
  99  DEFINE(VDSO_TZ_MINWEST,       offsetof(struct vdso_data, tz_minuteswest));
 100  DEFINE(VDSO_TZ_DSTTIME,       offsetof(struct vdso_data, tz_dsttime));
 101  DEFINE(VDSO_USE_SYSCALL,      offsetof(struct vdso_data, use_syscall));
 102  BLANK();
 103  DEFINE(TVAL_TV_SEC,           offsetof(struct timeval, tv_sec));
 104  DEFINE(TVAL_TV_USEC,          offsetof(struct timeval, tv_usec));
 105  DEFINE(TSPEC_TV_SEC,          offsetof(struct timespec, tv_sec));
 106  DEFINE(TSPEC_TV_NSEC,         offsetof(struct timespec, tv_nsec));
 107  BLANK();
 108  DEFINE(TZ_MINWEST,            offsetof(struct timezone, tz_minuteswest));
 109  DEFINE(TZ_DSTTIME,            offsetof(struct timezone, tz_dsttime));
 110  BLANK();
 111#ifdef CONFIG_KVM_ARM_HOST
 112  DEFINE(VCPU_CONTEXT,          offsetof(struct kvm_vcpu, arch.ctxt));
 113  DEFINE(CPU_GP_REGS,           offsetof(struct kvm_cpu_context, gp_regs));
 114  DEFINE(CPU_USER_PT_REGS,      offsetof(struct kvm_regs, regs));
 115  DEFINE(CPU_FP_REGS,           offsetof(struct kvm_regs, fp_regs));
 116  DEFINE(CPU_SP_EL1,            offsetof(struct kvm_regs, sp_el1));
 117  DEFINE(CPU_ELR_EL1,           offsetof(struct kvm_regs, elr_el1));
 118  DEFINE(CPU_SPSR,              offsetof(struct kvm_regs, spsr));
 119  DEFINE(CPU_SYSREGS,           offsetof(struct kvm_cpu_context, sys_regs));
 120  DEFINE(VCPU_ESR_EL2,          offsetof(struct kvm_vcpu, arch.fault.esr_el2));
 121  DEFINE(VCPU_FAR_EL2,          offsetof(struct kvm_vcpu, arch.fault.far_el2));
 122  DEFINE(VCPU_HPFAR_EL2,        offsetof(struct kvm_vcpu, arch.fault.hpfar_el2));
 123  DEFINE(VCPU_DEBUG_FLAGS,      offsetof(struct kvm_vcpu, arch.debug_flags));
 124  DEFINE(VCPU_HCR_EL2,          offsetof(struct kvm_vcpu, arch.hcr_el2));
 125  DEFINE(VCPU_IRQ_LINES,        offsetof(struct kvm_vcpu, arch.irq_lines));
 126  DEFINE(VCPU_HOST_CONTEXT,     offsetof(struct kvm_vcpu, arch.host_cpu_context));
 127  DEFINE(VCPU_TIMER_CNTV_CTL,   offsetof(struct kvm_vcpu, arch.timer_cpu.cntv_ctl));
 128  DEFINE(VCPU_TIMER_CNTV_CVAL,  offsetof(struct kvm_vcpu, arch.timer_cpu.cntv_cval));
 129  DEFINE(KVM_TIMER_CNTVOFF,     offsetof(struct kvm, arch.timer.cntvoff));
 130  DEFINE(KVM_TIMER_ENABLED,     offsetof(struct kvm, arch.timer.enabled));
 131  DEFINE(VCPU_KVM,              offsetof(struct kvm_vcpu, kvm));
 132  DEFINE(VCPU_VGIC_CPU,         offsetof(struct kvm_vcpu, arch.vgic_cpu));
 133  DEFINE(VGIC_SAVE_FN,          offsetof(struct vgic_sr_vectors, save_vgic));
 134  DEFINE(VGIC_RESTORE_FN,       offsetof(struct vgic_sr_vectors, restore_vgic));
 135  DEFINE(VGIC_SR_VECTOR_SZ,     sizeof(struct vgic_sr_vectors));
 136  DEFINE(VGIC_V2_CPU_HCR,       offsetof(struct vgic_cpu, vgic_v2.vgic_hcr));
 137  DEFINE(VGIC_V2_CPU_VMCR,      offsetof(struct vgic_cpu, vgic_v2.vgic_vmcr));
 138  DEFINE(VGIC_V2_CPU_MISR,      offsetof(struct vgic_cpu, vgic_v2.vgic_misr));
 139  DEFINE(VGIC_V2_CPU_EISR,      offsetof(struct vgic_cpu, vgic_v2.vgic_eisr));
 140  DEFINE(VGIC_V2_CPU_ELRSR,     offsetof(struct vgic_cpu, vgic_v2.vgic_elrsr));
 141  DEFINE(VGIC_V2_CPU_APR,       offsetof(struct vgic_cpu, vgic_v2.vgic_apr));
 142  DEFINE(VGIC_V2_CPU_LR,        offsetof(struct vgic_cpu, vgic_v2.vgic_lr));
 143  DEFINE(VGIC_V3_CPU_HCR,       offsetof(struct vgic_cpu, vgic_v3.vgic_hcr));
 144  DEFINE(VGIC_V3_CPU_VMCR,      offsetof(struct vgic_cpu, vgic_v3.vgic_vmcr));
 145  DEFINE(VGIC_V3_CPU_MISR,      offsetof(struct vgic_cpu, vgic_v3.vgic_misr));
 146  DEFINE(VGIC_V3_CPU_EISR,      offsetof(struct vgic_cpu, vgic_v3.vgic_eisr));
 147  DEFINE(VGIC_V3_CPU_ELRSR,     offsetof(struct vgic_cpu, vgic_v3.vgic_elrsr));
 148  DEFINE(VGIC_V3_CPU_AP0R,      offsetof(struct vgic_cpu, vgic_v3.vgic_ap0r));
 149  DEFINE(VGIC_V3_CPU_AP1R,      offsetof(struct vgic_cpu, vgic_v3.vgic_ap1r));
 150  DEFINE(VGIC_V3_CPU_LR,        offsetof(struct vgic_cpu, vgic_v3.vgic_lr));
 151  DEFINE(VGIC_CPU_NR_LR,        offsetof(struct vgic_cpu, nr_lr));
 152  DEFINE(KVM_VTTBR,             offsetof(struct kvm, arch.vttbr));
 153  DEFINE(KVM_VGIC_VCTRL,        offsetof(struct kvm, arch.vgic.vctrl_base));
 154#endif
 155#ifdef CONFIG_ARM64_CPU_SUSPEND
 156  DEFINE(CPU_SUSPEND_SZ,        sizeof(struct cpu_suspend_ctx));
 157  DEFINE(CPU_CTX_SP,            offsetof(struct cpu_suspend_ctx, sp));
 158  DEFINE(MPIDR_HASH_MASK,       offsetof(struct mpidr_hash, mask));
 159  DEFINE(MPIDR_HASH_SHIFTS,     offsetof(struct mpidr_hash, shift_aff));
 160  DEFINE(SLEEP_SAVE_SP_SZ,      sizeof(struct sleep_save_sp));
 161  DEFINE(SLEEP_SAVE_SP_PHYS,    offsetof(struct sleep_save_sp, save_ptr_stash_phys));
 162  DEFINE(SLEEP_SAVE_SP_VIRT,    offsetof(struct sleep_save_sp, save_ptr_stash));
 163#endif
 164  return 0;
 165}
 166