cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
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asm-offsets.c (7101B)


      1// SPDX-License-Identifier: GPL-2.0-only
      2/*
      3 * Copyright (C) 1995-2003 Russell King
      4 *               2001-2002 Keith Owens
      5 *     
      6 * Generate definitions needed by assembly language modules.
      7 * This code generates raw asm output which is post-processed to extract
      8 * and format the required data.
      9 */
     10#include <linux/compiler.h>
     11#include <linux/sched.h>
     12#include <linux/mm.h>
     13#include <linux/dma-mapping.h>
     14#include <asm/cacheflush.h>
     15#include <asm/kexec-internal.h>
     16#include <asm/glue-df.h>
     17#include <asm/glue-pf.h>
     18#include <asm/mach/arch.h>
     19#include <asm/thread_info.h>
     20#include <asm/memory.h>
     21#include <asm/mpu.h>
     22#include <asm/procinfo.h>
     23#include <asm/suspend.h>
     24#include <asm/vdso_datapage.h>
     25#include <asm/hardware/cache-l2x0.h>
     26#include <linux/kbuild.h>
     27#include <linux/arm-smccc.h>
     28#include "signal.h"
     29
     30/*
     31 * Make sure that the compiler and target are compatible.
     32 */
     33#if defined(__APCS_26__)
     34#error Sorry, your compiler targets APCS-26 but this kernel requires APCS-32
     35#endif
     36
     37int main(void)
     38{
     39  DEFINE(TSK_ACTIVE_MM,		offsetof(struct task_struct, active_mm));
     40#ifdef CONFIG_STACKPROTECTOR
     41  DEFINE(TSK_STACK_CANARY,	offsetof(struct task_struct, stack_canary));
     42#endif
     43  BLANK();
     44  DEFINE(TI_FLAGS,		offsetof(struct thread_info, flags));
     45  DEFINE(TI_PREEMPT,		offsetof(struct thread_info, preempt_count));
     46  DEFINE(TI_CPU,		offsetof(struct thread_info, cpu));
     47  DEFINE(TI_CPU_DOMAIN,		offsetof(struct thread_info, cpu_domain));
     48  DEFINE(TI_CPU_SAVE,		offsetof(struct thread_info, cpu_context));
     49  DEFINE(TI_ABI_SYSCALL,	offsetof(struct thread_info, abi_syscall));
     50  DEFINE(TI_USED_CP,		offsetof(struct thread_info, used_cp));
     51  DEFINE(TI_TP_VALUE,		offsetof(struct thread_info, tp_value));
     52  DEFINE(TI_FPSTATE,		offsetof(struct thread_info, fpstate));
     53#ifdef CONFIG_VFP
     54  DEFINE(TI_VFPSTATE,		offsetof(struct thread_info, vfpstate));
     55#ifdef CONFIG_SMP
     56  DEFINE(VFP_CPU,		offsetof(union vfp_state, hard.cpu));
     57#endif
     58#endif
     59#ifdef CONFIG_ARM_THUMBEE
     60  DEFINE(TI_THUMBEE_STATE,	offsetof(struct thread_info, thumbee_state));
     61#endif
     62#ifdef CONFIG_IWMMXT
     63  DEFINE(TI_IWMMXT_STATE,	offsetof(struct thread_info, fpstate.iwmmxt));
     64#endif
     65  BLANK();
     66  DEFINE(S_R0,			offsetof(struct pt_regs, ARM_r0));
     67  DEFINE(S_R1,			offsetof(struct pt_regs, ARM_r1));
     68  DEFINE(S_R2,			offsetof(struct pt_regs, ARM_r2));
     69  DEFINE(S_R3,			offsetof(struct pt_regs, ARM_r3));
     70  DEFINE(S_R4,			offsetof(struct pt_regs, ARM_r4));
     71  DEFINE(S_R5,			offsetof(struct pt_regs, ARM_r5));
     72  DEFINE(S_R6,			offsetof(struct pt_regs, ARM_r6));
     73  DEFINE(S_R7,			offsetof(struct pt_regs, ARM_r7));
     74  DEFINE(S_R8,			offsetof(struct pt_regs, ARM_r8));
     75  DEFINE(S_R9,			offsetof(struct pt_regs, ARM_r9));
     76  DEFINE(S_R10,			offsetof(struct pt_regs, ARM_r10));
     77  DEFINE(S_FP,			offsetof(struct pt_regs, ARM_fp));
     78  DEFINE(S_IP,			offsetof(struct pt_regs, ARM_ip));
     79  DEFINE(S_SP,			offsetof(struct pt_regs, ARM_sp));
     80  DEFINE(S_LR,			offsetof(struct pt_regs, ARM_lr));
     81  DEFINE(S_PC,			offsetof(struct pt_regs, ARM_pc));
     82  DEFINE(S_PSR,			offsetof(struct pt_regs, ARM_cpsr));
     83  DEFINE(S_OLD_R0,		offsetof(struct pt_regs, ARM_ORIG_r0));
     84  DEFINE(PT_REGS_SIZE,		sizeof(struct pt_regs));
     85  DEFINE(SVC_DACR,		offsetof(struct svc_pt_regs, dacr));
     86  DEFINE(SVC_REGS_SIZE,		sizeof(struct svc_pt_regs));
     87  BLANK();
     88  DEFINE(SIGFRAME_RC3_OFFSET,	offsetof(struct sigframe, retcode[3]));
     89  DEFINE(RT_SIGFRAME_RC3_OFFSET, offsetof(struct rt_sigframe, sig.retcode[3]));
     90  BLANK();
     91#ifdef CONFIG_CACHE_L2X0
     92  DEFINE(L2X0_R_PHY_BASE,	offsetof(struct l2x0_regs, phy_base));
     93  DEFINE(L2X0_R_AUX_CTRL,	offsetof(struct l2x0_regs, aux_ctrl));
     94  DEFINE(L2X0_R_TAG_LATENCY,	offsetof(struct l2x0_regs, tag_latency));
     95  DEFINE(L2X0_R_DATA_LATENCY,	offsetof(struct l2x0_regs, data_latency));
     96  DEFINE(L2X0_R_FILTER_START,	offsetof(struct l2x0_regs, filter_start));
     97  DEFINE(L2X0_R_FILTER_END,	offsetof(struct l2x0_regs, filter_end));
     98  DEFINE(L2X0_R_PREFETCH_CTRL,	offsetof(struct l2x0_regs, prefetch_ctrl));
     99  DEFINE(L2X0_R_PWR_CTRL,	offsetof(struct l2x0_regs, pwr_ctrl));
    100  BLANK();
    101#endif
    102#ifdef CONFIG_CPU_HAS_ASID
    103  DEFINE(MM_CONTEXT_ID,		offsetof(struct mm_struct, context.id.counter));
    104  BLANK();
    105#endif
    106  DEFINE(VMA_VM_MM,		offsetof(struct vm_area_struct, vm_mm));
    107  DEFINE(VMA_VM_FLAGS,		offsetof(struct vm_area_struct, vm_flags));
    108  BLANK();
    109  DEFINE(VM_EXEC,	       	VM_EXEC);
    110  BLANK();
    111  DEFINE(PAGE_SZ,	       	PAGE_SIZE);
    112  BLANK();
    113  DEFINE(SYS_ERROR0,		0x9f0000);
    114  BLANK();
    115  DEFINE(SIZEOF_MACHINE_DESC,	sizeof(struct machine_desc));
    116  DEFINE(MACHINFO_TYPE,		offsetof(struct machine_desc, nr));
    117  DEFINE(MACHINFO_NAME,		offsetof(struct machine_desc, name));
    118  BLANK();
    119  DEFINE(PROC_INFO_SZ,		sizeof(struct proc_info_list));
    120  DEFINE(PROCINFO_INITFUNC,	offsetof(struct proc_info_list, __cpu_flush));
    121  DEFINE(PROCINFO_MM_MMUFLAGS,	offsetof(struct proc_info_list, __cpu_mm_mmu_flags));
    122  DEFINE(PROCINFO_IO_MMUFLAGS,	offsetof(struct proc_info_list, __cpu_io_mmu_flags));
    123  BLANK();
    124#ifdef MULTI_DABORT
    125  DEFINE(PROCESSOR_DABT_FUNC,	offsetof(struct processor, _data_abort));
    126#endif
    127#ifdef MULTI_PABORT
    128  DEFINE(PROCESSOR_PABT_FUNC,	offsetof(struct processor, _prefetch_abort));
    129#endif
    130#ifdef MULTI_CPU
    131  DEFINE(CPU_SLEEP_SIZE,	offsetof(struct processor, suspend_size));
    132  DEFINE(CPU_DO_SUSPEND,	offsetof(struct processor, do_suspend));
    133  DEFINE(CPU_DO_RESUME,		offsetof(struct processor, do_resume));
    134#endif
    135#ifdef MULTI_CACHE
    136  DEFINE(CACHE_FLUSH_KERN_ALL,	offsetof(struct cpu_cache_fns, flush_kern_all));
    137#endif
    138#ifdef CONFIG_ARM_CPU_SUSPEND
    139  DEFINE(SLEEP_SAVE_SP_SZ,	sizeof(struct sleep_save_sp));
    140  DEFINE(SLEEP_SAVE_SP_PHYS,	offsetof(struct sleep_save_sp, save_ptr_stash_phys));
    141  DEFINE(SLEEP_SAVE_SP_VIRT,	offsetof(struct sleep_save_sp, save_ptr_stash));
    142#endif
    143  DEFINE(ARM_SMCCC_QUIRK_ID_OFFS,	offsetof(struct arm_smccc_quirk, id));
    144  DEFINE(ARM_SMCCC_QUIRK_STATE_OFFS,	offsetof(struct arm_smccc_quirk, state));
    145  BLANK();
    146  DEFINE(DMA_BIDIRECTIONAL,	DMA_BIDIRECTIONAL);
    147  DEFINE(DMA_TO_DEVICE,		DMA_TO_DEVICE);
    148  DEFINE(DMA_FROM_DEVICE,	DMA_FROM_DEVICE);
    149  BLANK();
    150  DEFINE(CACHE_WRITEBACK_ORDER, __CACHE_WRITEBACK_ORDER);
    151  DEFINE(CACHE_WRITEBACK_GRANULE, __CACHE_WRITEBACK_GRANULE);
    152  BLANK();
    153#ifdef CONFIG_VDSO
    154  DEFINE(VDSO_DATA_SIZE,	sizeof(union vdso_data_store));
    155#endif
    156  BLANK();
    157#ifdef CONFIG_ARM_MPU
    158  DEFINE(MPU_RNG_INFO_RNGS,	offsetof(struct mpu_rgn_info, rgns));
    159  DEFINE(MPU_RNG_INFO_USED,	offsetof(struct mpu_rgn_info, used));
    160
    161  DEFINE(MPU_RNG_SIZE,		sizeof(struct mpu_rgn));
    162  DEFINE(MPU_RGN_DRBAR,	offsetof(struct mpu_rgn, drbar));
    163  DEFINE(MPU_RGN_DRSR,	offsetof(struct mpu_rgn, drsr));
    164  DEFINE(MPU_RGN_DRACR,	offsetof(struct mpu_rgn, dracr));
    165  DEFINE(MPU_RGN_PRBAR,	offsetof(struct mpu_rgn, prbar));
    166  DEFINE(MPU_RGN_PRLAR,	offsetof(struct mpu_rgn, prlar));
    167#endif
    168  DEFINE(KEXEC_START_ADDR,	offsetof(struct kexec_relocate_data, kexec_start_address));
    169  DEFINE(KEXEC_INDIR_PAGE,	offsetof(struct kexec_relocate_data, kexec_indirection_page));
    170  DEFINE(KEXEC_MACH_TYPE,	offsetof(struct kexec_relocate_data, kexec_mach_type));
    171  DEFINE(KEXEC_R2,		offsetof(struct kexec_relocate_data, kexec_r2));
    172  return 0; 
    173}