1 /* 2 * Copyright (C) 1995-2003 Russell King 3 * 2001-2002 Keith Owens 4 * 5 * Generate definitions needed by assembly language modules. 6 * This code generates raw asm output which is post-processed to extract 7 * and format the required data. 8 * 9 * This program is free software; you can redistribute it and/or modify 10 * it under the terms of the GNU General Public License version 2 as 11 * published by the Free Software Foundation. 12 */ 13 #include <linux/compiler.h> 14 #include <linux/sched.h> 15 #include <linux/mm.h> 16 #include <linux/dma-mapping.h> 17 #ifdef CONFIG_KVM_ARM_HOST 18 #include <linux/kvm_host.h> 19 #endif 20 #include <asm/cacheflush.h> 21 #include <asm/glue-df.h> 22 #include <asm/glue-pf.h> 23 #include <asm/mach/arch.h> 24 #include <asm/thread_info.h> 25 #include <asm/memory.h> 26 #include <asm/mpu.h> 27 #include <asm/procinfo.h> 28 #include <asm/suspend.h> 29 #include <asm/vdso_datapage.h> 30 #include <asm/hardware/cache-l2x0.h> 31 #include <linux/kbuild.h> 32 #include "signal.h" 33 34 /* 35 * Make sure that the compiler and target are compatible. 36 */ 37 #if defined(__APCS_26__) 38 #error Sorry, your compiler targets APCS-26 but this kernel requires APCS-32 39 #endif 40 /* 41 * GCC 4.8.0-4.8.2: https://gcc.gnu.org/bugzilla/show_bug.cgi?id=58854 42 * miscompiles find_get_entry(), and can result in EXT3 and EXT4 43 * filesystem corruption (possibly other FS too). 44 */ 45 #if defined(GCC_VERSION) && GCC_VERSION >= 40800 && GCC_VERSION < 40803 46 #error Your compiler is too buggy; it is known to miscompile kernels 47 #error and result in filesystem corruption and oopses. 48 #endif 49 50 int main(void) 51 { 52 DEFINE(TSK_ACTIVE_MM, offsetof(struct task_struct, active_mm)); 53 #ifdef CONFIG_STACKPROTECTOR 54 DEFINE(TSK_STACK_CANARY, offsetof(struct task_struct, stack_canary)); 55 #endif 56 BLANK(); 57 DEFINE(TI_FLAGS, offsetof(struct thread_info, flags)); 58 DEFINE(TI_PREEMPT, offsetof(struct thread_info, preempt_count)); 59 DEFINE(TI_ADDR_LIMIT, offsetof(struct thread_info, addr_limit)); 60 DEFINE(TI_TASK, offsetof(struct thread_info, task)); 61 DEFINE(TI_CPU, offsetof(struct thread_info, cpu)); 62 DEFINE(TI_CPU_DOMAIN, offsetof(struct thread_info, cpu_domain)); 63 DEFINE(TI_CPU_SAVE, offsetof(struct thread_info, cpu_context)); 64 DEFINE(TI_USED_CP, offsetof(struct thread_info, used_cp)); 65 DEFINE(TI_TP_VALUE, offsetof(struct thread_info, tp_value)); 66 DEFINE(TI_FPSTATE, offsetof(struct thread_info, fpstate)); 67 #ifdef CONFIG_VFP 68 DEFINE(TI_VFPSTATE, offsetof(struct thread_info, vfpstate)); 69 #ifdef CONFIG_SMP 70 DEFINE(VFP_CPU, offsetof(union vfp_state, hard.cpu)); 71 #endif 72 #endif 73 #ifdef CONFIG_ARM_THUMBEE 74 DEFINE(TI_THUMBEE_STATE, offsetof(struct thread_info, thumbee_state)); 75 #endif 76 #ifdef CONFIG_IWMMXT 77 DEFINE(TI_IWMMXT_STATE, offsetof(struct thread_info, fpstate.iwmmxt)); 78 #endif 79 #ifdef CONFIG_CRUNCH 80 DEFINE(TI_CRUNCH_STATE, offsetof(struct thread_info, crunchstate)); 81 #endif 82 #ifdef CONFIG_STACKPROTECTOR_PER_TASK 83 DEFINE(TI_STACK_CANARY, offsetof(struct thread_info, stack_canary)); 84 #endif 85 DEFINE(THREAD_SZ_ORDER, THREAD_SIZE_ORDER); 86 BLANK(); 87 DEFINE(S_R0, offsetof(struct pt_regs, ARM_r0)); 88 DEFINE(S_R1, offsetof(struct pt_regs, ARM_r1)); 89 DEFINE(S_R2, offsetof(struct pt_regs, ARM_r2)); 90 DEFINE(S_R3, offsetof(struct pt_regs, ARM_r3)); 91 DEFINE(S_R4, offsetof(struct pt_regs, ARM_r4)); 92 DEFINE(S_R5, offsetof(struct pt_regs, ARM_r5)); 93 DEFINE(S_R6, offsetof(struct pt_regs, ARM_r6)); 94 DEFINE(S_R7, offsetof(struct pt_regs, ARM_r7)); 95 DEFINE(S_R8, offsetof(struct pt_regs, ARM_r8)); 96 DEFINE(S_R9, offsetof(struct pt_regs, ARM_r9)); 97 DEFINE(S_R10, offsetof(struct pt_regs, ARM_r10)); 98 DEFINE(S_FP, offsetof(struct pt_regs, ARM_fp)); 99 DEFINE(S_IP, offsetof(struct pt_regs, ARM_ip)); 100 DEFINE(S_SP, offsetof(struct pt_regs, ARM_sp)); 101 DEFINE(S_LR, offsetof(struct pt_regs, ARM_lr)); 102 DEFINE(S_PC, offsetof(struct pt_regs, ARM_pc)); 103 DEFINE(S_PSR, offsetof(struct pt_regs, ARM_cpsr)); 104 DEFINE(S_OLD_R0, offsetof(struct pt_regs, ARM_ORIG_r0)); 105 DEFINE(PT_REGS_SIZE, sizeof(struct pt_regs)); 106 DEFINE(SVC_DACR, offsetof(struct svc_pt_regs, dacr)); 107 DEFINE(SVC_ADDR_LIMIT, offsetof(struct svc_pt_regs, addr_limit)); 108 DEFINE(SVC_REGS_SIZE, sizeof(struct svc_pt_regs)); 109 BLANK(); 110 DEFINE(SIGFRAME_RC3_OFFSET, offsetof(struct sigframe, retcode[3])); 111 DEFINE(RT_SIGFRAME_RC3_OFFSET, offsetof(struct rt_sigframe, sig.retcode[3])); 112 BLANK(); 113 #ifdef CONFIG_CACHE_L2X0 114 DEFINE(L2X0_R_PHY_BASE, offsetof(struct l2x0_regs, phy_base)); 115 DEFINE(L2X0_R_AUX_CTRL, offsetof(struct l2x0_regs, aux_ctrl)); 116 DEFINE(L2X0_R_TAG_LATENCY, offsetof(struct l2x0_regs, tag_latency)); 117 DEFINE(L2X0_R_DATA_LATENCY, offsetof(struct l2x0_regs, data_latency)); 118 DEFINE(L2X0_R_FILTER_START, offsetof(struct l2x0_regs, filter_start)); 119 DEFINE(L2X0_R_FILTER_END, offsetof(struct l2x0_regs, filter_end)); 120 DEFINE(L2X0_R_PREFETCH_CTRL, offsetof(struct l2x0_regs, prefetch_ctrl)); 121 DEFINE(L2X0_R_PWR_CTRL, offsetof(struct l2x0_regs, pwr_ctrl)); 122 BLANK(); 123 #endif 124 #ifdef CONFIG_CPU_HAS_ASID 125 DEFINE(MM_CONTEXT_ID, offsetof(struct mm_struct, context.id.counter)); 126 BLANK(); 127 #endif 128 DEFINE(VMA_VM_MM, offsetof(struct vm_area_struct, vm_mm)); 129 DEFINE(VMA_VM_FLAGS, offsetof(struct vm_area_struct, vm_flags)); 130 BLANK(); 131 DEFINE(VM_EXEC, VM_EXEC); 132 BLANK(); 133 DEFINE(PAGE_SZ, PAGE_SIZE); 134 BLANK(); 135 DEFINE(SYS_ERROR0, 0x9f0000); 136 BLANK(); 137 DEFINE(SIZEOF_MACHINE_DESC, sizeof(struct machine_desc)); 138 DEFINE(MACHINFO_TYPE, offsetof(struct machine_desc, nr)); 139 DEFINE(MACHINFO_NAME, offsetof(struct machine_desc, name)); 140 BLANK(); 141 DEFINE(PROC_INFO_SZ, sizeof(struct proc_info_list)); 142 DEFINE(PROCINFO_INITFUNC, offsetof(struct proc_info_list, __cpu_flush)); 143 DEFINE(PROCINFO_MM_MMUFLAGS, offsetof(struct proc_info_list, __cpu_mm_mmu_flags)); 144 DEFINE(PROCINFO_IO_MMUFLAGS, offsetof(struct proc_info_list, __cpu_io_mmu_flags)); 145 BLANK(); 146 #ifdef MULTI_DABORT 147 DEFINE(PROCESSOR_DABT_FUNC, offsetof(struct processor, _data_abort)); 148 #endif 149 #ifdef MULTI_PABORT 150 DEFINE(PROCESSOR_PABT_FUNC, offsetof(struct processor, _prefetch_abort)); 151 #endif 152 #ifdef MULTI_CPU 153 DEFINE(CPU_SLEEP_SIZE, offsetof(struct processor, suspend_size)); 154 DEFINE(CPU_DO_SUSPEND, offsetof(struct processor, do_suspend)); 155 DEFINE(CPU_DO_RESUME, offsetof(struct processor, do_resume)); 156 #endif 157 #ifdef MULTI_CACHE 158 DEFINE(CACHE_FLUSH_KERN_ALL, offsetof(struct cpu_cache_fns, flush_kern_all)); 159 #endif 160 #ifdef CONFIG_ARM_CPU_SUSPEND 161 DEFINE(SLEEP_SAVE_SP_SZ, sizeof(struct sleep_save_sp)); 162 DEFINE(SLEEP_SAVE_SP_PHYS, offsetof(struct sleep_save_sp, save_ptr_stash_phys)); 163 DEFINE(SLEEP_SAVE_SP_VIRT, offsetof(struct sleep_save_sp, save_ptr_stash)); 164 #endif 165 BLANK(); 166 DEFINE(DMA_BIDIRECTIONAL, DMA_BIDIRECTIONAL); 167 DEFINE(DMA_TO_DEVICE, DMA_TO_DEVICE); 168 DEFINE(DMA_FROM_DEVICE, DMA_FROM_DEVICE); 169 BLANK(); 170 DEFINE(CACHE_WRITEBACK_ORDER, __CACHE_WRITEBACK_ORDER); 171 DEFINE(CACHE_WRITEBACK_GRANULE, __CACHE_WRITEBACK_GRANULE); 172 BLANK(); 173 #ifdef CONFIG_KVM_ARM_HOST 174 DEFINE(VCPU_GUEST_CTXT, offsetof(struct kvm_vcpu, arch.ctxt)); 175 DEFINE(VCPU_HOST_CTXT, offsetof(struct kvm_vcpu, arch.host_cpu_context)); 176 DEFINE(CPU_CTXT_VFP, offsetof(struct kvm_cpu_context, vfp)); 177 DEFINE(CPU_CTXT_GP_REGS, offsetof(struct kvm_cpu_context, gp_regs)); 178 DEFINE(GP_REGS_USR, offsetof(struct kvm_regs, usr_regs)); 179 #endif 180 BLANK(); 181 #ifdef CONFIG_VDSO 182 DEFINE(VDSO_DATA_SIZE, sizeof(union vdso_data_store)); 183 #endif 184 BLANK(); 185 #ifdef CONFIG_ARM_MPU 186 DEFINE(MPU_RNG_INFO_RNGS, offsetof(struct mpu_rgn_info, rgns)); 187 DEFINE(MPU_RNG_INFO_USED, offsetof(struct mpu_rgn_info, used)); 188 189 DEFINE(MPU_RNG_SIZE, sizeof(struct mpu_rgn)); 190 DEFINE(MPU_RGN_DRBAR, offsetof(struct mpu_rgn, drbar)); 191 DEFINE(MPU_RGN_DRSR, offsetof(struct mpu_rgn, drsr)); 192 DEFINE(MPU_RGN_DRACR, offsetof(struct mpu_rgn, dracr)); 193 DEFINE(MPU_RGN_PRBAR, offsetof(struct mpu_rgn, prbar)); 194 DEFINE(MPU_RGN_PRLAR, offsetof(struct mpu_rgn, prlar)); 195 #endif 196 return 0; 197 } 198