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 #ifdef CONFIG_KVM_ARM_HOST 15 #include <linux/kvm_host.h> 16 #endif 17 #include <asm/cacheflush.h> 18 #include <asm/glue-df.h> 19 #include <asm/glue-pf.h> 20 #include <asm/mach/arch.h> 21 #include <asm/thread_info.h> 22 #include <asm/memory.h> 23 #include <asm/mpu.h> 24 #include <asm/procinfo.h> 25 #include <asm/suspend.h> 26 #include <asm/vdso_datapage.h> 27 #include <asm/hardware/cache-l2x0.h> 28 #include <linux/kbuild.h> 29 #include "signal.h" 30 31 /* 32 * Make sure that the compiler and target are compatible. 33 */ 34 #if defined(__APCS_26__) 35 #error Sorry, your compiler targets APCS-26 but this kernel requires APCS-32 36 #endif 37 /* 38 * GCC 4.8.0-4.8.2: https://gcc.gnu.org/bugzilla/show_bug.cgi?id=58854 39 * miscompiles find_get_entry(), and can result in EXT3 and EXT4 40 * filesystem corruption (possibly other FS too). 41 */ 42 #if defined(GCC_VERSION) && GCC_VERSION >= 40800 && GCC_VERSION < 40803 43 #error Your compiler is too buggy; it is known to miscompile kernels 44 #error and result in filesystem corruption and oopses. 45 #endif 46 47 int main(void) 48 { 49 DEFINE(TSK_ACTIVE_MM, offsetof(struct task_struct, active_mm)); 50 #ifdef CONFIG_STACKPROTECTOR 51 DEFINE(TSK_STACK_CANARY, offsetof(struct task_struct, stack_canary)); 52 #endif 53 BLANK(); 54 DEFINE(TI_FLAGS, offsetof(struct thread_info, flags)); 55 DEFINE(TI_PREEMPT, offsetof(struct thread_info, preempt_count)); 56 DEFINE(TI_ADDR_LIMIT, offsetof(struct thread_info, addr_limit)); 57 DEFINE(TI_TASK, offsetof(struct thread_info, task)); 58 DEFINE(TI_CPU, offsetof(struct thread_info, cpu)); 59 DEFINE(TI_CPU_DOMAIN, offsetof(struct thread_info, cpu_domain)); 60 DEFINE(TI_CPU_SAVE, offsetof(struct thread_info, cpu_context)); 61 DEFINE(TI_USED_CP, offsetof(struct thread_info, used_cp)); 62 DEFINE(TI_TP_VALUE, offsetof(struct thread_info, tp_value)); 63 DEFINE(TI_FPSTATE, offsetof(struct thread_info, fpstate)); 64 #ifdef CONFIG_VFP 65 DEFINE(TI_VFPSTATE, offsetof(struct thread_info, vfpstate)); 66 #ifdef CONFIG_SMP 67 DEFINE(VFP_CPU, offsetof(union vfp_state, hard.cpu)); 68 #endif 69 #endif 70 #ifdef CONFIG_ARM_THUMBEE 71 DEFINE(TI_THUMBEE_STATE, offsetof(struct thread_info, thumbee_state)); 72 #endif 73 #ifdef CONFIG_IWMMXT 74 DEFINE(TI_IWMMXT_STATE, offsetof(struct thread_info, fpstate.iwmmxt)); 75 #endif 76 #ifdef CONFIG_CRUNCH 77 DEFINE(TI_CRUNCH_STATE, offsetof(struct thread_info, crunchstate)); 78 #endif 79 #ifdef CONFIG_STACKPROTECTOR_PER_TASK 80 DEFINE(TI_STACK_CANARY, offsetof(struct thread_info, stack_canary)); 81 #endif 82 DEFINE(THREAD_SZ_ORDER, THREAD_SIZE_ORDER); 83 BLANK(); 84 DEFINE(S_R0, offsetof(struct pt_regs, ARM_r0)); 85 DEFINE(S_R1, offsetof(struct pt_regs, ARM_r1)); 86 DEFINE(S_R2, offsetof(struct pt_regs, ARM_r2)); 87 DEFINE(S_R3, offsetof(struct pt_regs, ARM_r3)); 88 DEFINE(S_R4, offsetof(struct pt_regs, ARM_r4)); 89 DEFINE(S_R5, offsetof(struct pt_regs, ARM_r5)); 90 DEFINE(S_R6, offsetof(struct pt_regs, ARM_r6)); 91 DEFINE(S_R7, offsetof(struct pt_regs, ARM_r7)); 92 DEFINE(S_R8, offsetof(struct pt_regs, ARM_r8)); 93 DEFINE(S_R9, offsetof(struct pt_regs, ARM_r9)); 94 DEFINE(S_R10, offsetof(struct pt_regs, ARM_r10)); 95 DEFINE(S_FP, offsetof(struct pt_regs, ARM_fp)); 96 DEFINE(S_IP, offsetof(struct pt_regs, ARM_ip)); 97 DEFINE(S_SP, offsetof(struct pt_regs, ARM_sp)); 98 DEFINE(S_LR, offsetof(struct pt_regs, ARM_lr)); 99 DEFINE(S_PC, offsetof(struct pt_regs, ARM_pc)); 100 DEFINE(S_PSR, offsetof(struct pt_regs, ARM_cpsr)); 101 DEFINE(S_OLD_R0, offsetof(struct pt_regs, ARM_ORIG_r0)); 102 DEFINE(PT_REGS_SIZE, sizeof(struct pt_regs)); 103 DEFINE(SVC_DACR, offsetof(struct svc_pt_regs, dacr)); 104 DEFINE(SVC_ADDR_LIMIT, offsetof(struct svc_pt_regs, addr_limit)); 105 DEFINE(SVC_REGS_SIZE, sizeof(struct svc_pt_regs)); 106 BLANK(); 107 DEFINE(SIGFRAME_RC3_OFFSET, offsetof(struct sigframe, retcode[3])); 108 DEFINE(RT_SIGFRAME_RC3_OFFSET, offsetof(struct rt_sigframe, sig.retcode[3])); 109 BLANK(); 110 #ifdef CONFIG_CACHE_L2X0 111 DEFINE(L2X0_R_PHY_BASE, offsetof(struct l2x0_regs, phy_base)); 112 DEFINE(L2X0_R_AUX_CTRL, offsetof(struct l2x0_regs, aux_ctrl)); 113 DEFINE(L2X0_R_TAG_LATENCY, offsetof(struct l2x0_regs, tag_latency)); 114 DEFINE(L2X0_R_DATA_LATENCY, offsetof(struct l2x0_regs, data_latency)); 115 DEFINE(L2X0_R_FILTER_START, offsetof(struct l2x0_regs, filter_start)); 116 DEFINE(L2X0_R_FILTER_END, offsetof(struct l2x0_regs, filter_end)); 117 DEFINE(L2X0_R_PREFETCH_CTRL, offsetof(struct l2x0_regs, prefetch_ctrl)); 118 DEFINE(L2X0_R_PWR_CTRL, offsetof(struct l2x0_regs, pwr_ctrl)); 119 BLANK(); 120 #endif 121 #ifdef CONFIG_CPU_HAS_ASID 122 DEFINE(MM_CONTEXT_ID, offsetof(struct mm_struct, context.id.counter)); 123 BLANK(); 124 #endif 125 DEFINE(VMA_VM_MM, offsetof(struct vm_area_struct, vm_mm)); 126 DEFINE(VMA_VM_FLAGS, offsetof(struct vm_area_struct, vm_flags)); 127 BLANK(); 128 DEFINE(VM_EXEC, VM_EXEC); 129 BLANK(); 130 DEFINE(PAGE_SZ, PAGE_SIZE); 131 BLANK(); 132 DEFINE(SYS_ERROR0, 0x9f0000); 133 BLANK(); 134 DEFINE(SIZEOF_MACHINE_DESC, sizeof(struct machine_desc)); 135 DEFINE(MACHINFO_TYPE, offsetof(struct machine_desc, nr)); 136 DEFINE(MACHINFO_NAME, offsetof(struct machine_desc, name)); 137 BLANK(); 138 DEFINE(PROC_INFO_SZ, sizeof(struct proc_info_list)); 139 DEFINE(PROCINFO_INITFUNC, offsetof(struct proc_info_list, __cpu_flush)); 140 DEFINE(PROCINFO_MM_MMUFLAGS, offsetof(struct proc_info_list, __cpu_mm_mmu_flags)); 141 DEFINE(PROCINFO_IO_MMUFLAGS, offsetof(struct proc_info_list, __cpu_io_mmu_flags)); 142 BLANK(); 143 #ifdef MULTI_DABORT 144 DEFINE(PROCESSOR_DABT_FUNC, offsetof(struct processor, _data_abort)); 145 #endif 146 #ifdef MULTI_PABORT 147 DEFINE(PROCESSOR_PABT_FUNC, offsetof(struct processor, _prefetch_abort)); 148 #endif 149 #ifdef MULTI_CPU 150 DEFINE(CPU_SLEEP_SIZE, offsetof(struct processor, suspend_size)); 151 DEFINE(CPU_DO_SUSPEND, offsetof(struct processor, do_suspend)); 152 DEFINE(CPU_DO_RESUME, offsetof(struct processor, do_resume)); 153 #endif 154 #ifdef MULTI_CACHE 155 DEFINE(CACHE_FLUSH_KERN_ALL, offsetof(struct cpu_cache_fns, flush_kern_all)); 156 #endif 157 #ifdef CONFIG_ARM_CPU_SUSPEND 158 DEFINE(SLEEP_SAVE_SP_SZ, sizeof(struct sleep_save_sp)); 159 DEFINE(SLEEP_SAVE_SP_PHYS, offsetof(struct sleep_save_sp, save_ptr_stash_phys)); 160 DEFINE(SLEEP_SAVE_SP_VIRT, offsetof(struct sleep_save_sp, save_ptr_stash)); 161 #endif 162 BLANK(); 163 DEFINE(DMA_BIDIRECTIONAL, DMA_BIDIRECTIONAL); 164 DEFINE(DMA_TO_DEVICE, DMA_TO_DEVICE); 165 DEFINE(DMA_FROM_DEVICE, DMA_FROM_DEVICE); 166 BLANK(); 167 DEFINE(CACHE_WRITEBACK_ORDER, __CACHE_WRITEBACK_ORDER); 168 DEFINE(CACHE_WRITEBACK_GRANULE, __CACHE_WRITEBACK_GRANULE); 169 BLANK(); 170 #ifdef CONFIG_KVM_ARM_HOST 171 DEFINE(VCPU_GUEST_CTXT, offsetof(struct kvm_vcpu, arch.ctxt)); 172 DEFINE(VCPU_HOST_CTXT, offsetof(struct kvm_vcpu, arch.host_cpu_context)); 173 DEFINE(CPU_CTXT_VFP, offsetof(struct kvm_cpu_context, vfp)); 174 DEFINE(CPU_CTXT_GP_REGS, offsetof(struct kvm_cpu_context, gp_regs)); 175 DEFINE(GP_REGS_USR, offsetof(struct kvm_regs, usr_regs)); 176 #endif 177 BLANK(); 178 #ifdef CONFIG_VDSO 179 DEFINE(VDSO_DATA_SIZE, sizeof(union vdso_data_store)); 180 #endif 181 BLANK(); 182 #ifdef CONFIG_ARM_MPU 183 DEFINE(MPU_RNG_INFO_RNGS, offsetof(struct mpu_rgn_info, rgns)); 184 DEFINE(MPU_RNG_INFO_USED, offsetof(struct mpu_rgn_info, used)); 185 186 DEFINE(MPU_RNG_SIZE, sizeof(struct mpu_rgn)); 187 DEFINE(MPU_RGN_DRBAR, offsetof(struct mpu_rgn, drbar)); 188 DEFINE(MPU_RGN_DRSR, offsetof(struct mpu_rgn, drsr)); 189 DEFINE(MPU_RGN_DRACR, offsetof(struct mpu_rgn, dracr)); 190 DEFINE(MPU_RGN_PRBAR, offsetof(struct mpu_rgn, prbar)); 191 DEFINE(MPU_RGN_PRLAR, offsetof(struct mpu_rgn, prlar)); 192 #endif 193 return 0; 194 } 195