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/arm_sdei.h>
  22#include <linux/sched.h>
  23#include <linux/mm.h>
  24#include <linux/dma-mapping.h>
  25#include <linux/kvm_host.h>
  26#include <linux/preempt.h>
  27#include <linux/suspend.h>
  28#include <asm/cpufeature.h>
  29#include <asm/fixmap.h>
  30#include <asm/thread_info.h>
  31#include <asm/memory.h>
  32#include <asm/smp_plat.h>
  33#include <asm/suspend.h>
  34#include <asm/vdso_datapage.h>
  35#include <linux/kbuild.h>
  36#include <linux/arm-smccc.h>
  37
  38int main(void)
  39{
  40  DEFINE(TSK_ACTIVE_MM,         offsetof(struct task_struct, active_mm));
  41  BLANK();
  42  DEFINE(TSK_TI_FLAGS,          offsetof(struct task_struct, thread_info.flags));
  43  DEFINE(TSK_TI_PREEMPT,        offsetof(struct task_struct, thread_info.preempt_count));
  44  DEFINE(TSK_TI_ADDR_LIMIT,     offsetof(struct task_struct, thread_info.addr_limit));
  45#ifdef CONFIG_ARM64_SW_TTBR0_PAN
  46  DEFINE(TSK_TI_TTBR0,          offsetof(struct task_struct, thread_info.ttbr0));
  47#endif
  48  DEFINE(TSK_STACK,             offsetof(struct task_struct, stack));
  49  BLANK();
  50  DEFINE(THREAD_CPU_CONTEXT,    offsetof(struct task_struct, thread.cpu_context));
  51  BLANK();
  52  DEFINE(S_X0,                  offsetof(struct pt_regs, regs[0]));
  53  DEFINE(S_X1,                  offsetof(struct pt_regs, regs[1]));
  54  DEFINE(S_X2,                  offsetof(struct pt_regs, regs[2]));
  55  DEFINE(S_X3,                  offsetof(struct pt_regs, regs[3]));
  56  DEFINE(S_X4,                  offsetof(struct pt_regs, regs[4]));
  57  DEFINE(S_X5,                  offsetof(struct pt_regs, regs[5]));
  58  DEFINE(S_X6,                  offsetof(struct pt_regs, regs[6]));
  59  DEFINE(S_X7,                  offsetof(struct pt_regs, regs[7]));
  60  DEFINE(S_X8,                  offsetof(struct pt_regs, regs[8]));
  61  DEFINE(S_X10,                 offsetof(struct pt_regs, regs[10]));
  62  DEFINE(S_X12,                 offsetof(struct pt_regs, regs[12]));
  63  DEFINE(S_X14,                 offsetof(struct pt_regs, regs[14]));
  64  DEFINE(S_X16,                 offsetof(struct pt_regs, regs[16]));
  65  DEFINE(S_X18,                 offsetof(struct pt_regs, regs[18]));
  66  DEFINE(S_X20,                 offsetof(struct pt_regs, regs[20]));
  67  DEFINE(S_X22,                 offsetof(struct pt_regs, regs[22]));
  68  DEFINE(S_X24,                 offsetof(struct pt_regs, regs[24]));
  69  DEFINE(S_X26,                 offsetof(struct pt_regs, regs[26]));
  70  DEFINE(S_X28,                 offsetof(struct pt_regs, regs[28]));
  71  DEFINE(S_LR,                  offsetof(struct pt_regs, regs[30]));
  72  DEFINE(S_SP,                  offsetof(struct pt_regs, sp));
  73#ifdef CONFIG_COMPAT
  74  DEFINE(S_COMPAT_SP,           offsetof(struct pt_regs, compat_sp));
  75#endif
  76  DEFINE(S_PSTATE,              offsetof(struct pt_regs, pstate));
  77  DEFINE(S_PC,                  offsetof(struct pt_regs, pc));
  78  DEFINE(S_ORIG_X0,             offsetof(struct pt_regs, orig_x0));
  79  DEFINE(S_SYSCALLNO,           offsetof(struct pt_regs, syscallno));
  80  DEFINE(S_ORIG_ADDR_LIMIT,     offsetof(struct pt_regs, orig_addr_limit));
  81  DEFINE(S_STACKFRAME,          offsetof(struct pt_regs, stackframe));
  82  DEFINE(S_FRAME_SIZE,          sizeof(struct pt_regs));
  83  BLANK();
  84  DEFINE(MM_CONTEXT_ID,         offsetof(struct mm_struct, context.id.counter));
  85  BLANK();
  86  DEFINE(VMA_VM_MM,             offsetof(struct vm_area_struct, vm_mm));
  87  DEFINE(VMA_VM_FLAGS,          offsetof(struct vm_area_struct, vm_flags));
  88  BLANK();
  89  DEFINE(VM_EXEC,               VM_EXEC);
  90  BLANK();
  91  DEFINE(PAGE_SZ,               PAGE_SIZE);
  92  BLANK();
  93  DEFINE(DMA_BIDIRECTIONAL,     DMA_BIDIRECTIONAL);
  94  DEFINE(DMA_TO_DEVICE,         DMA_TO_DEVICE);
  95  DEFINE(DMA_FROM_DEVICE,       DMA_FROM_DEVICE);
  96  BLANK();
  97  DEFINE(PREEMPT_DISABLE_OFFSET, PREEMPT_DISABLE_OFFSET);
  98  BLANK();
  99  DEFINE(CLOCK_REALTIME,        CLOCK_REALTIME);
 100  DEFINE(CLOCK_MONOTONIC,       CLOCK_MONOTONIC);
 101  DEFINE(CLOCK_MONOTONIC_RAW,   CLOCK_MONOTONIC_RAW);
 102  DEFINE(CLOCK_REALTIME_RES,    MONOTONIC_RES_NSEC);
 103  DEFINE(CLOCK_REALTIME_COARSE, CLOCK_REALTIME_COARSE);
 104  DEFINE(CLOCK_MONOTONIC_COARSE,CLOCK_MONOTONIC_COARSE);
 105  DEFINE(CLOCK_COARSE_RES,      LOW_RES_NSEC);
 106  DEFINE(NSEC_PER_SEC,          NSEC_PER_SEC);
 107  BLANK();
 108  DEFINE(VDSO_CS_CYCLE_LAST,    offsetof(struct vdso_data, cs_cycle_last));
 109  DEFINE(VDSO_RAW_TIME_SEC,     offsetof(struct vdso_data, raw_time_sec));
 110  DEFINE(VDSO_RAW_TIME_NSEC,    offsetof(struct vdso_data, raw_time_nsec));
 111  DEFINE(VDSO_XTIME_CLK_SEC,    offsetof(struct vdso_data, xtime_clock_sec));
 112  DEFINE(VDSO_XTIME_CLK_NSEC,   offsetof(struct vdso_data, xtime_clock_nsec));
 113  DEFINE(VDSO_XTIME_CRS_SEC,    offsetof(struct vdso_data, xtime_coarse_sec));
 114  DEFINE(VDSO_XTIME_CRS_NSEC,   offsetof(struct vdso_data, xtime_coarse_nsec));
 115  DEFINE(VDSO_WTM_CLK_SEC,      offsetof(struct vdso_data, wtm_clock_sec));
 116  DEFINE(VDSO_WTM_CLK_NSEC,     offsetof(struct vdso_data, wtm_clock_nsec));
 117  DEFINE(VDSO_TB_SEQ_COUNT,     offsetof(struct vdso_data, tb_seq_count));
 118  DEFINE(VDSO_CS_MONO_MULT,     offsetof(struct vdso_data, cs_mono_mult));
 119  DEFINE(VDSO_CS_RAW_MULT,      offsetof(struct vdso_data, cs_raw_mult));
 120  DEFINE(VDSO_CS_SHIFT,         offsetof(struct vdso_data, cs_shift));
 121  DEFINE(VDSO_TZ_MINWEST,       offsetof(struct vdso_data, tz_minuteswest));
 122  DEFINE(VDSO_TZ_DSTTIME,       offsetof(struct vdso_data, tz_dsttime));
 123  DEFINE(VDSO_USE_SYSCALL,      offsetof(struct vdso_data, use_syscall));
 124  BLANK();
 125  DEFINE(TVAL_TV_SEC,           offsetof(struct timeval, tv_sec));
 126  DEFINE(TVAL_TV_USEC,          offsetof(struct timeval, tv_usec));
 127  DEFINE(TSPEC_TV_SEC,          offsetof(struct timespec, tv_sec));
 128  DEFINE(TSPEC_TV_NSEC,         offsetof(struct timespec, tv_nsec));
 129  BLANK();
 130  DEFINE(TZ_MINWEST,            offsetof(struct timezone, tz_minuteswest));
 131  DEFINE(TZ_DSTTIME,            offsetof(struct timezone, tz_dsttime));
 132  BLANK();
 133  DEFINE(CPU_BOOT_STACK,        offsetof(struct secondary_data, stack));
 134  DEFINE(CPU_BOOT_TASK,         offsetof(struct secondary_data, task));
 135  BLANK();
 136#ifdef CONFIG_KVM_ARM_HOST
 137  DEFINE(VCPU_CONTEXT,          offsetof(struct kvm_vcpu, arch.ctxt));
 138  DEFINE(VCPU_FAULT_DISR,       offsetof(struct kvm_vcpu, arch.fault.disr_el1));
 139  DEFINE(CPU_GP_REGS,           offsetof(struct kvm_cpu_context, gp_regs));
 140  DEFINE(CPU_USER_PT_REGS,      offsetof(struct kvm_regs, regs));
 141  DEFINE(CPU_FP_REGS,           offsetof(struct kvm_regs, fp_regs));
 142  DEFINE(VCPU_FPEXC32_EL2,      offsetof(struct kvm_vcpu, arch.ctxt.sys_regs[FPEXC32_EL2]));
 143  DEFINE(VCPU_HOST_CONTEXT,     offsetof(struct kvm_vcpu, arch.host_cpu_context));
 144  DEFINE(HOST_CONTEXT_VCPU,     offsetof(struct kvm_cpu_context, __hyp_running_vcpu));
 145#endif
 146#ifdef CONFIG_CPU_PM
 147  DEFINE(CPU_SUSPEND_SZ,        sizeof(struct cpu_suspend_ctx));
 148  DEFINE(CPU_CTX_SP,            offsetof(struct cpu_suspend_ctx, sp));
 149  DEFINE(MPIDR_HASH_MASK,       offsetof(struct mpidr_hash, mask));
 150  DEFINE(MPIDR_HASH_SHIFTS,     offsetof(struct mpidr_hash, shift_aff));
 151  DEFINE(SLEEP_STACK_DATA_SYSTEM_REGS,  offsetof(struct sleep_stack_data, system_regs));
 152  DEFINE(SLEEP_STACK_DATA_CALLEE_REGS,  offsetof(struct sleep_stack_data, callee_saved_regs));
 153#endif
 154  DEFINE(ARM_SMCCC_RES_X0_OFFS,         offsetof(struct arm_smccc_res, a0));
 155  DEFINE(ARM_SMCCC_RES_X2_OFFS,         offsetof(struct arm_smccc_res, a2));
 156  DEFINE(ARM_SMCCC_QUIRK_ID_OFFS,       offsetof(struct arm_smccc_quirk, id));
 157  DEFINE(ARM_SMCCC_QUIRK_STATE_OFFS,    offsetof(struct arm_smccc_quirk, state));
 158  BLANK();
 159  DEFINE(HIBERN_PBE_ORIG,       offsetof(struct pbe, orig_address));
 160  DEFINE(HIBERN_PBE_ADDR,       offsetof(struct pbe, address));
 161  DEFINE(HIBERN_PBE_NEXT,       offsetof(struct pbe, next));
 162  DEFINE(ARM64_FTR_SYSVAL,      offsetof(struct arm64_ftr_reg, sys_val));
 163  BLANK();
 164#ifdef CONFIG_UNMAP_KERNEL_AT_EL0
 165  DEFINE(TRAMP_VALIAS,          TRAMP_VALIAS);
 166#endif
 167#ifdef CONFIG_ARM_SDE_INTERFACE
 168  DEFINE(SDEI_EVENT_INTREGS,    offsetof(struct sdei_registered_event, interrupted_regs));
 169  DEFINE(SDEI_EVENT_PRIORITY,   offsetof(struct sdei_registered_event, priority));
 170#endif
 171  return 0;
 172}
 173