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 38 int 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 #ifdef CONFIG_STACKPROTECTOR 50 DEFINE(TSK_STACK_CANARY, offsetof(struct task_struct, stack_canary)); 51 #endif 52 BLANK(); 53 DEFINE(THREAD_CPU_CONTEXT, offsetof(struct task_struct, thread.cpu_context)); 54 BLANK(); 55 DEFINE(S_X0, offsetof(struct pt_regs, regs[0])); 56 DEFINE(S_X1, offsetof(struct pt_regs, regs[1])); 57 DEFINE(S_X2, offsetof(struct pt_regs, regs[2])); 58 DEFINE(S_X3, offsetof(struct pt_regs, regs[3])); 59 DEFINE(S_X4, offsetof(struct pt_regs, regs[4])); 60 DEFINE(S_X5, offsetof(struct pt_regs, regs[5])); 61 DEFINE(S_X6, offsetof(struct pt_regs, regs[6])); 62 DEFINE(S_X7, offsetof(struct pt_regs, regs[7])); 63 DEFINE(S_X8, offsetof(struct pt_regs, regs[8])); 64 DEFINE(S_X10, offsetof(struct pt_regs, regs[10])); 65 DEFINE(S_X12, offsetof(struct pt_regs, regs[12])); 66 DEFINE(S_X14, offsetof(struct pt_regs, regs[14])); 67 DEFINE(S_X16, offsetof(struct pt_regs, regs[16])); 68 DEFINE(S_X18, offsetof(struct pt_regs, regs[18])); 69 DEFINE(S_X20, offsetof(struct pt_regs, regs[20])); 70 DEFINE(S_X22, offsetof(struct pt_regs, regs[22])); 71 DEFINE(S_X24, offsetof(struct pt_regs, regs[24])); 72 DEFINE(S_X26, offsetof(struct pt_regs, regs[26])); 73 DEFINE(S_X28, offsetof(struct pt_regs, regs[28])); 74 DEFINE(S_LR, offsetof(struct pt_regs, regs[30])); 75 DEFINE(S_SP, offsetof(struct pt_regs, sp)); 76 #ifdef CONFIG_COMPAT 77 DEFINE(S_COMPAT_SP, offsetof(struct pt_regs, compat_sp)); 78 #endif 79 DEFINE(S_PSTATE, offsetof(struct pt_regs, pstate)); 80 DEFINE(S_PC, offsetof(struct pt_regs, pc)); 81 DEFINE(S_ORIG_X0, offsetof(struct pt_regs, orig_x0)); 82 DEFINE(S_SYSCALLNO, offsetof(struct pt_regs, syscallno)); 83 DEFINE(S_ORIG_ADDR_LIMIT, offsetof(struct pt_regs, orig_addr_limit)); 84 DEFINE(S_STACKFRAME, offsetof(struct pt_regs, stackframe)); 85 DEFINE(S_FRAME_SIZE, sizeof(struct pt_regs)); 86 BLANK(); 87 DEFINE(MM_CONTEXT_ID, offsetof(struct mm_struct, context.id.counter)); 88 BLANK(); 89 DEFINE(VMA_VM_MM, offsetof(struct vm_area_struct, vm_mm)); 90 DEFINE(VMA_VM_FLAGS, offsetof(struct vm_area_struct, vm_flags)); 91 BLANK(); 92 DEFINE(VM_EXEC, VM_EXEC); 93 BLANK(); 94 DEFINE(PAGE_SZ, PAGE_SIZE); 95 BLANK(); 96 DEFINE(DMA_BIDIRECTIONAL, DMA_BIDIRECTIONAL); 97 DEFINE(DMA_TO_DEVICE, DMA_TO_DEVICE); 98 DEFINE(DMA_FROM_DEVICE, DMA_FROM_DEVICE); 99 BLANK(); 100 DEFINE(PREEMPT_DISABLE_OFFSET, PREEMPT_DISABLE_OFFSET); 101 BLANK(); 102 DEFINE(CLOCK_REALTIME, CLOCK_REALTIME); 103 DEFINE(CLOCK_MONOTONIC, CLOCK_MONOTONIC); 104 DEFINE(CLOCK_MONOTONIC_RAW, CLOCK_MONOTONIC_RAW); 105 DEFINE(CLOCK_REALTIME_RES, MONOTONIC_RES_NSEC); 106 DEFINE(CLOCK_REALTIME_COARSE, CLOCK_REALTIME_COARSE); 107 DEFINE(CLOCK_MONOTONIC_COARSE,CLOCK_MONOTONIC_COARSE); 108 DEFINE(CLOCK_COARSE_RES, LOW_RES_NSEC); 109 DEFINE(NSEC_PER_SEC, NSEC_PER_SEC); 110 BLANK(); 111 DEFINE(VDSO_CS_CYCLE_LAST, offsetof(struct vdso_data, cs_cycle_last)); 112 DEFINE(VDSO_RAW_TIME_SEC, offsetof(struct vdso_data, raw_time_sec)); 113 DEFINE(VDSO_RAW_TIME_NSEC, offsetof(struct vdso_data, raw_time_nsec)); 114 DEFINE(VDSO_XTIME_CLK_SEC, offsetof(struct vdso_data, xtime_clock_sec)); 115 DEFINE(VDSO_XTIME_CLK_NSEC, offsetof(struct vdso_data, xtime_clock_nsec)); 116 DEFINE(VDSO_XTIME_CRS_SEC, offsetof(struct vdso_data, xtime_coarse_sec)); 117 DEFINE(VDSO_XTIME_CRS_NSEC, offsetof(struct vdso_data, xtime_coarse_nsec)); 118 DEFINE(VDSO_WTM_CLK_SEC, offsetof(struct vdso_data, wtm_clock_sec)); 119 DEFINE(VDSO_WTM_CLK_NSEC, offsetof(struct vdso_data, wtm_clock_nsec)); 120 DEFINE(VDSO_TB_SEQ_COUNT, offsetof(struct vdso_data, tb_seq_count)); 121 DEFINE(VDSO_CS_MONO_MULT, offsetof(struct vdso_data, cs_mono_mult)); 122 DEFINE(VDSO_CS_RAW_MULT, offsetof(struct vdso_data, cs_raw_mult)); 123 DEFINE(VDSO_CS_SHIFT, offsetof(struct vdso_data, cs_shift)); 124 DEFINE(VDSO_TZ_MINWEST, offsetof(struct vdso_data, tz_minuteswest)); 125 DEFINE(VDSO_TZ_DSTTIME, offsetof(struct vdso_data, tz_dsttime)); 126 DEFINE(VDSO_USE_SYSCALL, offsetof(struct vdso_data, use_syscall)); 127 BLANK(); 128 DEFINE(TVAL_TV_SEC, offsetof(struct timeval, tv_sec)); 129 DEFINE(TVAL_TV_USEC, offsetof(struct timeval, tv_usec)); 130 DEFINE(TSPEC_TV_SEC, offsetof(struct timespec, tv_sec)); 131 DEFINE(TSPEC_TV_NSEC, offsetof(struct timespec, tv_nsec)); 132 BLANK(); 133 DEFINE(TZ_MINWEST, offsetof(struct timezone, tz_minuteswest)); 134 DEFINE(TZ_DSTTIME, offsetof(struct timezone, tz_dsttime)); 135 BLANK(); 136 DEFINE(CPU_BOOT_STACK, offsetof(struct secondary_data, stack)); 137 DEFINE(CPU_BOOT_TASK, offsetof(struct secondary_data, task)); 138 BLANK(); 139 #ifdef CONFIG_KVM_ARM_HOST 140 DEFINE(VCPU_CONTEXT, offsetof(struct kvm_vcpu, arch.ctxt)); 141 DEFINE(VCPU_FAULT_DISR, offsetof(struct kvm_vcpu, arch.fault.disr_el1)); 142 DEFINE(VCPU_WORKAROUND_FLAGS, offsetof(struct kvm_vcpu, arch.workaround_flags)); 143 DEFINE(CPU_GP_REGS, offsetof(struct kvm_cpu_context, gp_regs)); 144 DEFINE(CPU_USER_PT_REGS, offsetof(struct kvm_regs, regs)); 145 DEFINE(CPU_FP_REGS, offsetof(struct kvm_regs, fp_regs)); 146 DEFINE(VCPU_FPEXC32_EL2, offsetof(struct kvm_vcpu, arch.ctxt.sys_regs[FPEXC32_EL2])); 147 DEFINE(VCPU_HOST_CONTEXT, offsetof(struct kvm_vcpu, arch.host_cpu_context)); 148 DEFINE(HOST_CONTEXT_VCPU, offsetof(struct kvm_cpu_context, __hyp_running_vcpu)); 149 #endif 150 #ifdef CONFIG_CPU_PM 151 DEFINE(CPU_SUSPEND_SZ, sizeof(struct cpu_suspend_ctx)); 152 DEFINE(CPU_CTX_SP, offsetof(struct cpu_suspend_ctx, sp)); 153 DEFINE(MPIDR_HASH_MASK, offsetof(struct mpidr_hash, mask)); 154 DEFINE(MPIDR_HASH_SHIFTS, offsetof(struct mpidr_hash, shift_aff)); 155 DEFINE(SLEEP_STACK_DATA_SYSTEM_REGS, offsetof(struct sleep_stack_data, system_regs)); 156 DEFINE(SLEEP_STACK_DATA_CALLEE_REGS, offsetof(struct sleep_stack_data, callee_saved_regs)); 157 #endif 158 DEFINE(ARM_SMCCC_RES_X0_OFFS, offsetof(struct arm_smccc_res, a0)); 159 DEFINE(ARM_SMCCC_RES_X2_OFFS, offsetof(struct arm_smccc_res, a2)); 160 DEFINE(ARM_SMCCC_QUIRK_ID_OFFS, offsetof(struct arm_smccc_quirk, id)); 161 DEFINE(ARM_SMCCC_QUIRK_STATE_OFFS, offsetof(struct arm_smccc_quirk, state)); 162 BLANK(); 163 DEFINE(HIBERN_PBE_ORIG, offsetof(struct pbe, orig_address)); 164 DEFINE(HIBERN_PBE_ADDR, offsetof(struct pbe, address)); 165 DEFINE(HIBERN_PBE_NEXT, offsetof(struct pbe, next)); 166 DEFINE(ARM64_FTR_SYSVAL, offsetof(struct arm64_ftr_reg, sys_val)); 167 BLANK(); 168 #ifdef CONFIG_UNMAP_KERNEL_AT_EL0 169 DEFINE(TRAMP_VALIAS, TRAMP_VALIAS); 170 #endif 171 #ifdef CONFIG_ARM_SDE_INTERFACE 172 DEFINE(SDEI_EVENT_INTREGS, offsetof(struct sdei_registered_event, interrupted_regs)); 173 DEFINE(SDEI_EVENT_PRIORITY, offsetof(struct sdei_registered_event, priority)); 174 #endif 175 return 0; 176 } 177