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/procinfo.h> 27 #include <asm/suspend.h> 28 #include <asm/vdso_datapage.h> 29 #include <asm/hardware/cache-l2x0.h> 30 #include <linux/kbuild.h> 31 32 /* 33 * Make sure that the compiler and target are compatible. 34 */ 35 #if defined(__APCS_26__) 36 #error Sorry, your compiler targets APCS-26 but this kernel requires APCS-32 37 #endif 38 /* 39 * GCC 3.0, 3.1: general bad code generation. 40 * GCC 3.2.0: incorrect function argument offset calculation. 41 * GCC 3.2.x: miscompiles NEW_AUX_ENT in fs/binfmt_elf.c 42 * (http://gcc.gnu.org/PR8896) and incorrect structure 43 * initialisation in fs/jffs2/erase.c 44 * GCC 4.8.0-4.8.2: https://gcc.gnu.org/bugzilla/show_bug.cgi?id=58854 45 * miscompiles find_get_entry(), and can result in EXT3 and EXT4 46 * filesystem corruption (possibly other FS too). 47 */ 48 #ifdef __GNUC__ 49 #if (__GNUC__ == 3 && __GNUC_MINOR__ < 3) 50 #error Your compiler is too buggy; it is known to miscompile kernels. 51 #error Known good compilers: 3.3, 4.x 52 #endif 53 #if GCC_VERSION >= 40800 && GCC_VERSION < 40803 54 #error Your compiler is too buggy; it is known to miscompile kernels 55 #error and result in filesystem corruption and oopses. 56 #endif 57 #endif 58 59 int main(void) 60 { 61 DEFINE(TSK_ACTIVE_MM, offsetof(struct task_struct, active_mm)); 62 #ifdef CONFIG_CC_STACKPROTECTOR 63 DEFINE(TSK_STACK_CANARY, offsetof(struct task_struct, stack_canary)); 64 #endif 65 BLANK(); 66 DEFINE(TI_FLAGS, offsetof(struct thread_info, flags)); 67 DEFINE(TI_PREEMPT, offsetof(struct thread_info, preempt_count)); 68 DEFINE(TI_ADDR_LIMIT, offsetof(struct thread_info, addr_limit)); 69 DEFINE(TI_TASK, offsetof(struct thread_info, task)); 70 DEFINE(TI_CPU, offsetof(struct thread_info, cpu)); 71 DEFINE(TI_CPU_DOMAIN, offsetof(struct thread_info, cpu_domain)); 72 DEFINE(TI_CPU_SAVE, offsetof(struct thread_info, cpu_context)); 73 DEFINE(TI_USED_CP, offsetof(struct thread_info, used_cp)); 74 DEFINE(TI_TP_VALUE, offsetof(struct thread_info, tp_value)); 75 DEFINE(TI_FPSTATE, offsetof(struct thread_info, fpstate)); 76 #ifdef CONFIG_VFP 77 DEFINE(TI_VFPSTATE, offsetof(struct thread_info, vfpstate)); 78 #ifdef CONFIG_SMP 79 DEFINE(VFP_CPU, offsetof(union vfp_state, hard.cpu)); 80 #endif 81 #endif 82 #ifdef CONFIG_ARM_THUMBEE 83 DEFINE(TI_THUMBEE_STATE, offsetof(struct thread_info, thumbee_state)); 84 #endif 85 #ifdef CONFIG_IWMMXT 86 DEFINE(TI_IWMMXT_STATE, offsetof(struct thread_info, fpstate.iwmmxt)); 87 #endif 88 #ifdef CONFIG_CRUNCH 89 DEFINE(TI_CRUNCH_STATE, offsetof(struct thread_info, crunchstate)); 90 #endif 91 BLANK(); 92 DEFINE(S_R0, offsetof(struct pt_regs, ARM_r0)); 93 DEFINE(S_R1, offsetof(struct pt_regs, ARM_r1)); 94 DEFINE(S_R2, offsetof(struct pt_regs, ARM_r2)); 95 DEFINE(S_R3, offsetof(struct pt_regs, ARM_r3)); 96 DEFINE(S_R4, offsetof(struct pt_regs, ARM_r4)); 97 DEFINE(S_R5, offsetof(struct pt_regs, ARM_r5)); 98 DEFINE(S_R6, offsetof(struct pt_regs, ARM_r6)); 99 DEFINE(S_R7, offsetof(struct pt_regs, ARM_r7)); 100 DEFINE(S_R8, offsetof(struct pt_regs, ARM_r8)); 101 DEFINE(S_R9, offsetof(struct pt_regs, ARM_r9)); 102 DEFINE(S_R10, offsetof(struct pt_regs, ARM_r10)); 103 DEFINE(S_FP, offsetof(struct pt_regs, ARM_fp)); 104 DEFINE(S_IP, offsetof(struct pt_regs, ARM_ip)); 105 DEFINE(S_SP, offsetof(struct pt_regs, ARM_sp)); 106 DEFINE(S_LR, offsetof(struct pt_regs, ARM_lr)); 107 DEFINE(S_PC, offsetof(struct pt_regs, ARM_pc)); 108 DEFINE(S_PSR, offsetof(struct pt_regs, ARM_cpsr)); 109 DEFINE(S_OLD_R0, offsetof(struct pt_regs, ARM_ORIG_r0)); 110 DEFINE(S_FRAME_SIZE, sizeof(struct pt_regs)); 111 BLANK(); 112 #ifdef CONFIG_CACHE_L2X0 113 DEFINE(L2X0_R_PHY_BASE, offsetof(struct l2x0_regs, phy_base)); 114 DEFINE(L2X0_R_AUX_CTRL, offsetof(struct l2x0_regs, aux_ctrl)); 115 DEFINE(L2X0_R_TAG_LATENCY, offsetof(struct l2x0_regs, tag_latency)); 116 DEFINE(L2X0_R_DATA_LATENCY, offsetof(struct l2x0_regs, data_latency)); 117 DEFINE(L2X0_R_FILTER_START, offsetof(struct l2x0_regs, filter_start)); 118 DEFINE(L2X0_R_FILTER_END, offsetof(struct l2x0_regs, filter_end)); 119 DEFINE(L2X0_R_PREFETCH_CTRL, offsetof(struct l2x0_regs, prefetch_ctrl)); 120 DEFINE(L2X0_R_PWR_CTRL, offsetof(struct l2x0_regs, pwr_ctrl)); 121 BLANK(); 122 #endif 123 #ifdef CONFIG_CPU_HAS_ASID 124 DEFINE(MM_CONTEXT_ID, offsetof(struct mm_struct, context.id.counter)); 125 BLANK(); 126 #endif 127 DEFINE(VMA_VM_MM, offsetof(struct vm_area_struct, vm_mm)); 128 DEFINE(VMA_VM_FLAGS, offsetof(struct vm_area_struct, vm_flags)); 129 BLANK(); 130 DEFINE(VM_EXEC, VM_EXEC); 131 BLANK(); 132 DEFINE(PAGE_SZ, PAGE_SIZE); 133 BLANK(); 134 DEFINE(SYS_ERROR0, 0x9f0000); 135 BLANK(); 136 DEFINE(SIZEOF_MACHINE_DESC, sizeof(struct machine_desc)); 137 DEFINE(MACHINFO_TYPE, offsetof(struct machine_desc, nr)); 138 DEFINE(MACHINFO_NAME, offsetof(struct machine_desc, name)); 139 BLANK(); 140 DEFINE(PROC_INFO_SZ, sizeof(struct proc_info_list)); 141 DEFINE(PROCINFO_INITFUNC, offsetof(struct proc_info_list, __cpu_flush)); 142 DEFINE(PROCINFO_MM_MMUFLAGS, offsetof(struct proc_info_list, __cpu_mm_mmu_flags)); 143 DEFINE(PROCINFO_IO_MMUFLAGS, offsetof(struct proc_info_list, __cpu_io_mmu_flags)); 144 BLANK(); 145 #ifdef MULTI_DABORT 146 DEFINE(PROCESSOR_DABT_FUNC, offsetof(struct processor, _data_abort)); 147 #endif 148 #ifdef MULTI_PABORT 149 DEFINE(PROCESSOR_PABT_FUNC, offsetof(struct processor, _prefetch_abort)); 150 #endif 151 #ifdef MULTI_CPU 152 DEFINE(CPU_SLEEP_SIZE, offsetof(struct processor, suspend_size)); 153 DEFINE(CPU_DO_SUSPEND, offsetof(struct processor, do_suspend)); 154 DEFINE(CPU_DO_RESUME, offsetof(struct processor, do_resume)); 155 #endif 156 #ifdef MULTI_CACHE 157 DEFINE(CACHE_FLUSH_KERN_ALL, offsetof(struct cpu_cache_fns, flush_kern_all)); 158 #endif 159 #ifdef CONFIG_ARM_CPU_SUSPEND 160 DEFINE(SLEEP_SAVE_SP_SZ, sizeof(struct sleep_save_sp)); 161 DEFINE(SLEEP_SAVE_SP_PHYS, offsetof(struct sleep_save_sp, save_ptr_stash_phys)); 162 DEFINE(SLEEP_SAVE_SP_VIRT, offsetof(struct sleep_save_sp, save_ptr_stash)); 163 #endif 164 BLANK(); 165 DEFINE(DMA_BIDIRECTIONAL, DMA_BIDIRECTIONAL); 166 DEFINE(DMA_TO_DEVICE, DMA_TO_DEVICE); 167 DEFINE(DMA_FROM_DEVICE, DMA_FROM_DEVICE); 168 BLANK(); 169 DEFINE(CACHE_WRITEBACK_ORDER, __CACHE_WRITEBACK_ORDER); 170 DEFINE(CACHE_WRITEBACK_GRANULE, __CACHE_WRITEBACK_GRANULE); 171 BLANK(); 172 #ifdef CONFIG_KVM_ARM_HOST 173 DEFINE(VCPU_KVM, offsetof(struct kvm_vcpu, kvm)); 174 DEFINE(VCPU_MIDR, offsetof(struct kvm_vcpu, arch.midr)); 175 DEFINE(VCPU_CP15, offsetof(struct kvm_vcpu, arch.cp15)); 176 DEFINE(VCPU_VFP_GUEST, offsetof(struct kvm_vcpu, arch.vfp_guest)); 177 DEFINE(VCPU_VFP_HOST, offsetof(struct kvm_vcpu, arch.host_cpu_context)); 178 DEFINE(VCPU_REGS, offsetof(struct kvm_vcpu, arch.regs)); 179 DEFINE(VCPU_USR_REGS, offsetof(struct kvm_vcpu, arch.regs.usr_regs)); 180 DEFINE(VCPU_SVC_REGS, offsetof(struct kvm_vcpu, arch.regs.svc_regs)); 181 DEFINE(VCPU_ABT_REGS, offsetof(struct kvm_vcpu, arch.regs.abt_regs)); 182 DEFINE(VCPU_UND_REGS, offsetof(struct kvm_vcpu, arch.regs.und_regs)); 183 DEFINE(VCPU_IRQ_REGS, offsetof(struct kvm_vcpu, arch.regs.irq_regs)); 184 DEFINE(VCPU_FIQ_REGS, offsetof(struct kvm_vcpu, arch.regs.fiq_regs)); 185 DEFINE(VCPU_PC, offsetof(struct kvm_vcpu, arch.regs.usr_regs.ARM_pc)); 186 DEFINE(VCPU_CPSR, offsetof(struct kvm_vcpu, arch.regs.usr_regs.ARM_cpsr)); 187 DEFINE(VCPU_HCR, offsetof(struct kvm_vcpu, arch.hcr)); 188 DEFINE(VCPU_IRQ_LINES, offsetof(struct kvm_vcpu, arch.irq_lines)); 189 DEFINE(VCPU_HSR, offsetof(struct kvm_vcpu, arch.fault.hsr)); 190 DEFINE(VCPU_HxFAR, offsetof(struct kvm_vcpu, arch.fault.hxfar)); 191 DEFINE(VCPU_HPFAR, offsetof(struct kvm_vcpu, arch.fault.hpfar)); 192 DEFINE(VCPU_HYP_PC, offsetof(struct kvm_vcpu, arch.fault.hyp_pc)); 193 DEFINE(VCPU_VGIC_CPU, offsetof(struct kvm_vcpu, arch.vgic_cpu)); 194 DEFINE(VGIC_V2_CPU_HCR, offsetof(struct vgic_cpu, vgic_v2.vgic_hcr)); 195 DEFINE(VGIC_V2_CPU_VMCR, offsetof(struct vgic_cpu, vgic_v2.vgic_vmcr)); 196 DEFINE(VGIC_V2_CPU_MISR, offsetof(struct vgic_cpu, vgic_v2.vgic_misr)); 197 DEFINE(VGIC_V2_CPU_EISR, offsetof(struct vgic_cpu, vgic_v2.vgic_eisr)); 198 DEFINE(VGIC_V2_CPU_ELRSR, offsetof(struct vgic_cpu, vgic_v2.vgic_elrsr)); 199 DEFINE(VGIC_V2_CPU_APR, offsetof(struct vgic_cpu, vgic_v2.vgic_apr)); 200 DEFINE(VGIC_V2_CPU_LR, offsetof(struct vgic_cpu, vgic_v2.vgic_lr)); 201 DEFINE(VGIC_CPU_NR_LR, offsetof(struct vgic_cpu, nr_lr)); 202 DEFINE(VCPU_TIMER_CNTV_CTL, offsetof(struct kvm_vcpu, arch.timer_cpu.cntv_ctl)); 203 DEFINE(VCPU_TIMER_CNTV_CVAL, offsetof(struct kvm_vcpu, arch.timer_cpu.cntv_cval)); 204 DEFINE(KVM_TIMER_CNTVOFF, offsetof(struct kvm, arch.timer.cntvoff)); 205 DEFINE(KVM_TIMER_ENABLED, offsetof(struct kvm, arch.timer.enabled)); 206 DEFINE(KVM_VGIC_VCTRL, offsetof(struct kvm, arch.vgic.vctrl_base)); 207 DEFINE(KVM_VTTBR, offsetof(struct kvm, arch.vttbr)); 208 #endif 209 BLANK(); 210 #ifdef CONFIG_VDSO 211 DEFINE(VDSO_DATA_SIZE, sizeof(union vdso_data_store)); 212 #endif 213 return 0; 214 } 215