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/glue-df.h> 16 #include <asm/glue-pf.h> 17 #include <asm/mach/arch.h> 18 #include <asm/thread_info.h> 19 #include <asm/memory.h> 20 #include <asm/mpu.h> 21 #include <asm/procinfo.h> 22 #include <asm/suspend.h> 23 #include <asm/vdso_datapage.h> 24 #include <asm/hardware/cache-l2x0.h> 25 #include <linux/kbuild.h> 26 #include "signal.h" 27 28 /* 29 * Make sure that the compiler and target are compatible. 30 */ 31 #if defined(__APCS_26__) 32 #error Sorry, your compiler targets APCS-26 but this kernel requires APCS-32 33 #endif 34 /* 35 * GCC 4.8.0-4.8.2: https://gcc.gnu.org/bugzilla/show_bug.cgi?id=58854 36 * miscompiles find_get_entry(), and can result in EXT3 and EXT4 37 * filesystem corruption (possibly other FS too). 38 */ 39 #if defined(GCC_VERSION) && GCC_VERSION >= 40800 && GCC_VERSION < 40803 40 #error Your compiler is too buggy; it is known to miscompile kernels 41 #error and result in filesystem corruption and oopses. 42 #endif 43 44 int main(void) 45 { 46 DEFINE(TSK_ACTIVE_MM, offsetof(struct task_struct, active_mm)); 47 #ifdef CONFIG_STACKPROTECTOR 48 DEFINE(TSK_STACK_CANARY, offsetof(struct task_struct, stack_canary)); 49 #endif 50 BLANK(); 51 DEFINE(TI_FLAGS, offsetof(struct thread_info, flags)); 52 DEFINE(TI_PREEMPT, offsetof(struct thread_info, preempt_count)); 53 DEFINE(TI_ADDR_LIMIT, offsetof(struct thread_info, addr_limit)); 54 DEFINE(TI_TASK, offsetof(struct thread_info, task)); 55 DEFINE(TI_CPU, offsetof(struct thread_info, cpu)); 56 DEFINE(TI_CPU_DOMAIN, offsetof(struct thread_info, cpu_domain)); 57 DEFINE(TI_CPU_SAVE, offsetof(struct thread_info, cpu_context)); 58 DEFINE(TI_USED_CP, offsetof(struct thread_info, used_cp)); 59 DEFINE(TI_TP_VALUE, offsetof(struct thread_info, tp_value)); 60 DEFINE(TI_FPSTATE, offsetof(struct thread_info, fpstate)); 61 #ifdef CONFIG_VFP 62 DEFINE(TI_VFPSTATE, offsetof(struct thread_info, vfpstate)); 63 #ifdef CONFIG_SMP 64 DEFINE(VFP_CPU, offsetof(union vfp_state, hard.cpu)); 65 #endif 66 #endif 67 #ifdef CONFIG_ARM_THUMBEE 68 DEFINE(TI_THUMBEE_STATE, offsetof(struct thread_info, thumbee_state)); 69 #endif 70 #ifdef CONFIG_IWMMXT 71 DEFINE(TI_IWMMXT_STATE, offsetof(struct thread_info, fpstate.iwmmxt)); 72 #endif 73 #ifdef CONFIG_CRUNCH 74 DEFINE(TI_CRUNCH_STATE, offsetof(struct thread_info, crunchstate)); 75 #endif 76 #ifdef CONFIG_STACKPROTECTOR_PER_TASK 77 DEFINE(TI_STACK_CANARY, offsetof(struct thread_info, stack_canary)); 78 #endif 79 DEFINE(THREAD_SZ_ORDER, THREAD_SIZE_ORDER); 80 BLANK(); 81 DEFINE(S_R0, offsetof(struct pt_regs, ARM_r0)); 82 DEFINE(S_R1, offsetof(struct pt_regs, ARM_r1)); 83 DEFINE(S_R2, offsetof(struct pt_regs, ARM_r2)); 84 DEFINE(S_R3, offsetof(struct pt_regs, ARM_r3)); 85 DEFINE(S_R4, offsetof(struct pt_regs, ARM_r4)); 86 DEFINE(S_R5, offsetof(struct pt_regs, ARM_r5)); 87 DEFINE(S_R6, offsetof(struct pt_regs, ARM_r6)); 88 DEFINE(S_R7, offsetof(struct pt_regs, ARM_r7)); 89 DEFINE(S_R8, offsetof(struct pt_regs, ARM_r8)); 90 DEFINE(S_R9, offsetof(struct pt_regs, ARM_r9)); 91 DEFINE(S_R10, offsetof(struct pt_regs, ARM_r10)); 92 DEFINE(S_FP, offsetof(struct pt_regs, ARM_fp)); 93 DEFINE(S_IP, offsetof(struct pt_regs, ARM_ip)); 94 DEFINE(S_SP, offsetof(struct pt_regs, ARM_sp)); 95 DEFINE(S_LR, offsetof(struct pt_regs, ARM_lr)); 96 DEFINE(S_PC, offsetof(struct pt_regs, ARM_pc)); 97 DEFINE(S_PSR, offsetof(struct pt_regs, ARM_cpsr)); 98 DEFINE(S_OLD_R0, offsetof(struct pt_regs, ARM_ORIG_r0)); 99 DEFINE(PT_REGS_SIZE, sizeof(struct pt_regs)); 100 DEFINE(SVC_DACR, offsetof(struct svc_pt_regs, dacr)); 101 DEFINE(SVC_ADDR_LIMIT, offsetof(struct svc_pt_regs, addr_limit)); 102 DEFINE(SVC_REGS_SIZE, sizeof(struct svc_pt_regs)); 103 BLANK(); 104 DEFINE(SIGFRAME_RC3_OFFSET, offsetof(struct sigframe, retcode[3])); 105 DEFINE(RT_SIGFRAME_RC3_OFFSET, offsetof(struct rt_sigframe, sig.retcode[3])); 106 BLANK(); 107 #ifdef CONFIG_CACHE_L2X0 108 DEFINE(L2X0_R_PHY_BASE, offsetof(struct l2x0_regs, phy_base)); 109 DEFINE(L2X0_R_AUX_CTRL, offsetof(struct l2x0_regs, aux_ctrl)); 110 DEFINE(L2X0_R_TAG_LATENCY, offsetof(struct l2x0_regs, tag_latency)); 111 DEFINE(L2X0_R_DATA_LATENCY, offsetof(struct l2x0_regs, data_latency)); 112 DEFINE(L2X0_R_FILTER_START, offsetof(struct l2x0_regs, filter_start)); 113 DEFINE(L2X0_R_FILTER_END, offsetof(struct l2x0_regs, filter_end)); 114 DEFINE(L2X0_R_PREFETCH_CTRL, offsetof(struct l2x0_regs, prefetch_ctrl)); 115 DEFINE(L2X0_R_PWR_CTRL, offsetof(struct l2x0_regs, pwr_ctrl)); 116 BLANK(); 117 #endif 118 #ifdef CONFIG_CPU_HAS_ASID 119 DEFINE(MM_CONTEXT_ID, offsetof(struct mm_struct, context.id.counter)); 120 BLANK(); 121 #endif 122 DEFINE(VMA_VM_MM, offsetof(struct vm_area_struct, vm_mm)); 123 DEFINE(VMA_VM_FLAGS, offsetof(struct vm_area_struct, vm_flags)); 124 BLANK(); 125 DEFINE(VM_EXEC, VM_EXEC); 126 BLANK(); 127 DEFINE(PAGE_SZ, PAGE_SIZE); 128 BLANK(); 129 DEFINE(SYS_ERROR0, 0x9f0000); 130 BLANK(); 131 DEFINE(SIZEOF_MACHINE_DESC, sizeof(struct machine_desc)); 132 DEFINE(MACHINFO_TYPE, offsetof(struct machine_desc, nr)); 133 DEFINE(MACHINFO_NAME, offsetof(struct machine_desc, name)); 134 BLANK(); 135 DEFINE(PROC_INFO_SZ, sizeof(struct proc_info_list)); 136 DEFINE(PROCINFO_INITFUNC, offsetof(struct proc_info_list, __cpu_flush)); 137 DEFINE(PROCINFO_MM_MMUFLAGS, offsetof(struct proc_info_list, __cpu_mm_mmu_flags)); 138 DEFINE(PROCINFO_IO_MMUFLAGS, offsetof(struct proc_info_list, __cpu_io_mmu_flags)); 139 BLANK(); 140 #ifdef MULTI_DABORT 141 DEFINE(PROCESSOR_DABT_FUNC, offsetof(struct processor, _data_abort)); 142 #endif 143 #ifdef MULTI_PABORT 144 DEFINE(PROCESSOR_PABT_FUNC, offsetof(struct processor, _prefetch_abort)); 145 #endif 146 #ifdef MULTI_CPU 147 DEFINE(CPU_SLEEP_SIZE, offsetof(struct processor, suspend_size)); 148 DEFINE(CPU_DO_SUSPEND, offsetof(struct processor, do_suspend)); 149 DEFINE(CPU_DO_RESUME, offsetof(struct processor, do_resume)); 150 #endif 151 #ifdef MULTI_CACHE 152 DEFINE(CACHE_FLUSH_KERN_ALL, offsetof(struct cpu_cache_fns, flush_kern_all)); 153 #endif 154 #ifdef CONFIG_ARM_CPU_SUSPEND 155 DEFINE(SLEEP_SAVE_SP_SZ, sizeof(struct sleep_save_sp)); 156 DEFINE(SLEEP_SAVE_SP_PHYS, offsetof(struct sleep_save_sp, save_ptr_stash_phys)); 157 DEFINE(SLEEP_SAVE_SP_VIRT, offsetof(struct sleep_save_sp, save_ptr_stash)); 158 #endif 159 BLANK(); 160 DEFINE(DMA_BIDIRECTIONAL, DMA_BIDIRECTIONAL); 161 DEFINE(DMA_TO_DEVICE, DMA_TO_DEVICE); 162 DEFINE(DMA_FROM_DEVICE, DMA_FROM_DEVICE); 163 BLANK(); 164 DEFINE(CACHE_WRITEBACK_ORDER, __CACHE_WRITEBACK_ORDER); 165 DEFINE(CACHE_WRITEBACK_GRANULE, __CACHE_WRITEBACK_GRANULE); 166 BLANK(); 167 #ifdef CONFIG_VDSO 168 DEFINE(VDSO_DATA_SIZE, sizeof(union vdso_data_store)); 169 #endif 170 BLANK(); 171 #ifdef CONFIG_ARM_MPU 172 DEFINE(MPU_RNG_INFO_RNGS, offsetof(struct mpu_rgn_info, rgns)); 173 DEFINE(MPU_RNG_INFO_USED, offsetof(struct mpu_rgn_info, used)); 174 175 DEFINE(MPU_RNG_SIZE, sizeof(struct mpu_rgn)); 176 DEFINE(MPU_RGN_DRBAR, offsetof(struct mpu_rgn, drbar)); 177 DEFINE(MPU_RGN_DRSR, offsetof(struct mpu_rgn, drsr)); 178 DEFINE(MPU_RGN_DRACR, offsetof(struct mpu_rgn, dracr)); 179 DEFINE(MPU_RGN_PRBAR, offsetof(struct mpu_rgn, prbar)); 180 DEFINE(MPU_RGN_PRLAR, offsetof(struct mpu_rgn, prlar)); 181 #endif 182 return 0; 183 } 184