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torvalds
GitHub Repository: torvalds/linux
Path: blob/master/arch/arm/kernel/asm-offsets.c
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// SPDX-License-Identifier: GPL-2.0-only
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/*
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* Copyright (C) 1995-2003 Russell King
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* 2001-2002 Keith Owens
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*
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* Generate definitions needed by assembly language modules.
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* This code generates raw asm output which is post-processed to extract
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* and format the required data.
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*/
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#define COMPILE_OFFSETS
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#include <linux/compiler.h>
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#include <linux/sched.h>
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#include <linux/mm.h>
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#include <linux/dma-mapping.h>
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#include <asm/cacheflush.h>
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#include <asm/kexec-internal.h>
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#include <asm/glue-df.h>
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#include <asm/glue-pf.h>
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#include <asm/mach/arch.h>
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#include <asm/thread_info.h>
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#include <asm/page.h>
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#include <asm/mpu.h>
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#include <asm/procinfo.h>
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#include <asm/suspend.h>
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#include <asm/hardware/cache-l2x0.h>
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#include <linux/kbuild.h>
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#include <linux/arm-smccc.h>
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#include <vdso/datapage.h>
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#include "signal.h"
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/*
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* Make sure that the compiler and target are compatible.
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*/
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#if defined(__APCS_26__)
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#error Sorry, your compiler targets APCS-26 but this kernel requires APCS-32
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#endif
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int main(void)
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{
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DEFINE(TSK_ACTIVE_MM, offsetof(struct task_struct, active_mm));
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#ifdef CONFIG_STACKPROTECTOR
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DEFINE(TSK_STACK_CANARY, offsetof(struct task_struct, stack_canary));
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#endif
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BLANK();
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DEFINE(TI_FLAGS, offsetof(struct thread_info, flags));
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DEFINE(TI_PREEMPT, offsetof(struct thread_info, preempt_count));
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DEFINE(TI_CPU, offsetof(struct thread_info, cpu));
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DEFINE(TI_CPU_DOMAIN, offsetof(struct thread_info, cpu_domain));
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DEFINE(TI_CPU_SAVE, offsetof(struct thread_info, cpu_context));
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DEFINE(TI_ABI_SYSCALL, offsetof(struct thread_info, abi_syscall));
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DEFINE(TI_TP_VALUE, offsetof(struct thread_info, tp_value));
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DEFINE(TI_FPSTATE, offsetof(struct thread_info, fpstate));
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#ifdef CONFIG_VFP
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DEFINE(TI_VFPSTATE, offsetof(struct thread_info, vfpstate));
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#ifdef CONFIG_SMP
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DEFINE(VFP_CPU, offsetof(union vfp_state, hard.cpu));
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#endif
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#endif
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DEFINE(SOFTIRQ_DISABLE_OFFSET,SOFTIRQ_DISABLE_OFFSET);
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#ifdef CONFIG_ARM_THUMBEE
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DEFINE(TI_THUMBEE_STATE, offsetof(struct thread_info, thumbee_state));
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#endif
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#ifdef CONFIG_IWMMXT
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DEFINE(TI_IWMMXT_STATE, offsetof(struct thread_info, fpstate.iwmmxt));
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#endif
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BLANK();
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DEFINE(S_R0, offsetof(struct pt_regs, ARM_r0));
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DEFINE(S_R1, offsetof(struct pt_regs, ARM_r1));
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DEFINE(S_R2, offsetof(struct pt_regs, ARM_r2));
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DEFINE(S_R3, offsetof(struct pt_regs, ARM_r3));
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DEFINE(S_R4, offsetof(struct pt_regs, ARM_r4));
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DEFINE(S_R5, offsetof(struct pt_regs, ARM_r5));
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DEFINE(S_R6, offsetof(struct pt_regs, ARM_r6));
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DEFINE(S_R7, offsetof(struct pt_regs, ARM_r7));
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DEFINE(S_R8, offsetof(struct pt_regs, ARM_r8));
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DEFINE(S_R9, offsetof(struct pt_regs, ARM_r9));
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DEFINE(S_R10, offsetof(struct pt_regs, ARM_r10));
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DEFINE(S_FP, offsetof(struct pt_regs, ARM_fp));
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DEFINE(S_IP, offsetof(struct pt_regs, ARM_ip));
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DEFINE(S_SP, offsetof(struct pt_regs, ARM_sp));
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DEFINE(S_LR, offsetof(struct pt_regs, ARM_lr));
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DEFINE(S_PC, offsetof(struct pt_regs, ARM_pc));
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DEFINE(S_PSR, offsetof(struct pt_regs, ARM_cpsr));
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DEFINE(S_OLD_R0, offsetof(struct pt_regs, ARM_ORIG_r0));
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DEFINE(PT_REGS_SIZE, sizeof(struct pt_regs));
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DEFINE(SVC_DACR, offsetof(struct svc_pt_regs, dacr));
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DEFINE(SVC_TTBCR, offsetof(struct svc_pt_regs, ttbcr));
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DEFINE(SVC_REGS_SIZE, sizeof(struct svc_pt_regs));
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BLANK();
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DEFINE(SIGFRAME_RC3_OFFSET, offsetof(struct sigframe, retcode[3]));
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DEFINE(RT_SIGFRAME_RC3_OFFSET, offsetof(struct rt_sigframe, sig.retcode[3]));
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BLANK();
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#ifdef CONFIG_CACHE_L2X0
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DEFINE(L2X0_R_PHY_BASE, offsetof(struct l2x0_regs, phy_base));
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DEFINE(L2X0_R_AUX_CTRL, offsetof(struct l2x0_regs, aux_ctrl));
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DEFINE(L2X0_R_TAG_LATENCY, offsetof(struct l2x0_regs, tag_latency));
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DEFINE(L2X0_R_DATA_LATENCY, offsetof(struct l2x0_regs, data_latency));
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DEFINE(L2X0_R_FILTER_START, offsetof(struct l2x0_regs, filter_start));
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DEFINE(L2X0_R_FILTER_END, offsetof(struct l2x0_regs, filter_end));
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DEFINE(L2X0_R_PREFETCH_CTRL, offsetof(struct l2x0_regs, prefetch_ctrl));
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DEFINE(L2X0_R_PWR_CTRL, offsetof(struct l2x0_regs, pwr_ctrl));
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BLANK();
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#endif
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#ifdef CONFIG_CPU_HAS_ASID
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DEFINE(MM_CONTEXT_ID, offsetof(struct mm_struct, context.id.counter));
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BLANK();
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#endif
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DEFINE(VMA_VM_MM, offsetof(struct vm_area_struct, vm_mm));
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DEFINE(VMA_VM_FLAGS, offsetof(struct vm_area_struct, vm_flags));
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BLANK();
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DEFINE(VM_EXEC, VM_EXEC);
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BLANK();
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DEFINE(PAGE_SZ, PAGE_SIZE);
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BLANK();
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DEFINE(SYS_ERROR0, 0x9f0000);
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BLANK();
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DEFINE(SIZEOF_MACHINE_DESC, sizeof(struct machine_desc));
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DEFINE(MACHINFO_TYPE, offsetof(struct machine_desc, nr));
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DEFINE(MACHINFO_NAME, offsetof(struct machine_desc, name));
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BLANK();
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DEFINE(PROC_INFO_SZ, sizeof(struct proc_info_list));
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DEFINE(PROCINFO_INITFUNC, offsetof(struct proc_info_list, __cpu_flush));
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DEFINE(PROCINFO_MM_MMUFLAGS, offsetof(struct proc_info_list, __cpu_mm_mmu_flags));
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DEFINE(PROCINFO_IO_MMUFLAGS, offsetof(struct proc_info_list, __cpu_io_mmu_flags));
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BLANK();
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#ifdef MULTI_DABORT
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DEFINE(PROCESSOR_DABT_FUNC, offsetof(struct processor, _data_abort));
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#endif
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#ifdef MULTI_PABORT
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DEFINE(PROCESSOR_PABT_FUNC, offsetof(struct processor, _prefetch_abort));
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#endif
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#ifdef MULTI_CPU
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DEFINE(CPU_SLEEP_SIZE, offsetof(struct processor, suspend_size));
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DEFINE(CPU_DO_SUSPEND, offsetof(struct processor, do_suspend));
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DEFINE(CPU_DO_RESUME, offsetof(struct processor, do_resume));
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#endif
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#ifdef MULTI_CACHE
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DEFINE(CACHE_FLUSH_KERN_ALL, offsetof(struct cpu_cache_fns, flush_kern_all));
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#endif
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#ifdef CONFIG_ARM_CPU_SUSPEND
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DEFINE(SLEEP_SAVE_SP_SZ, sizeof(struct sleep_save_sp));
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DEFINE(SLEEP_SAVE_SP_PHYS, offsetof(struct sleep_save_sp, save_ptr_stash_phys));
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DEFINE(SLEEP_SAVE_SP_VIRT, offsetof(struct sleep_save_sp, save_ptr_stash));
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#endif
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DEFINE(ARM_SMCCC_QUIRK_ID_OFFS, offsetof(struct arm_smccc_quirk, id));
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DEFINE(ARM_SMCCC_QUIRK_STATE_OFFS, offsetof(struct arm_smccc_quirk, state));
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BLANK();
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DEFINE(DMA_BIDIRECTIONAL, DMA_BIDIRECTIONAL);
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DEFINE(DMA_TO_DEVICE, DMA_TO_DEVICE);
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DEFINE(DMA_FROM_DEVICE, DMA_FROM_DEVICE);
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BLANK();
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DEFINE(CACHE_WRITEBACK_ORDER, __CACHE_WRITEBACK_ORDER);
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DEFINE(CACHE_WRITEBACK_GRANULE, __CACHE_WRITEBACK_GRANULE);
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BLANK();
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#ifdef CONFIG_ARM_MPU
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DEFINE(MPU_RNG_INFO_RNGS, offsetof(struct mpu_rgn_info, rgns));
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DEFINE(MPU_RNG_INFO_USED, offsetof(struct mpu_rgn_info, used));
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DEFINE(MPU_RNG_SIZE, sizeof(struct mpu_rgn));
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DEFINE(MPU_RGN_DRBAR, offsetof(struct mpu_rgn, drbar));
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DEFINE(MPU_RGN_DRSR, offsetof(struct mpu_rgn, drsr));
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DEFINE(MPU_RGN_DRACR, offsetof(struct mpu_rgn, dracr));
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DEFINE(MPU_RGN_PRBAR, offsetof(struct mpu_rgn, prbar));
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DEFINE(MPU_RGN_PRLAR, offsetof(struct mpu_rgn, prlar));
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#endif
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DEFINE(KEXEC_START_ADDR, offsetof(struct kexec_relocate_data, kexec_start_address));
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DEFINE(KEXEC_INDIR_PAGE, offsetof(struct kexec_relocate_data, kexec_indirection_page));
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DEFINE(KEXEC_MACH_TYPE, offsetof(struct kexec_relocate_data, kexec_mach_type));
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DEFINE(KEXEC_R2, offsetof(struct kexec_relocate_data, kexec_r2));
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return 0;
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}
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