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/sched.h> 14 #include <linux/mm.h> 15 #include <asm/mach/arch.h> 16 #include <asm/thread_info.h> 17 #include <asm/memory.h> 18 #include <asm/procinfo.h> 19 #include <linux/kbuild.h> 20 21 /* 22 * Make sure that the compiler and target are compatible. 23 */ 24 #if defined(__APCS_26__) 25 #error Sorry, your compiler targets APCS-26 but this kernel requires APCS-32 26 #endif 27 /* 28 * GCC 3.0, 3.1: general bad code generation. 29 * GCC 3.2.0: incorrect function argument offset calculation. 30 * GCC 3.2.x: miscompiles NEW_AUX_ENT in fs/binfmt_elf.c 31 * (http://gcc.gnu.org/PR8896) and incorrect structure 32 * initialisation in fs/jffs2/erase.c 33 */ 34 #if (__GNUC__ == 3 && __GNUC_MINOR__ < 3) 35 #error Your compiler is too buggy; it is known to miscompile kernels. 36 #error Known good compilers: 3.3 37 #endif 38 39 int main(void) 40 { 41 DEFINE(TSK_ACTIVE_MM, offsetof(struct task_struct, active_mm)); 42 BLANK(); 43 DEFINE(TI_FLAGS, offsetof(struct thread_info, flags)); 44 DEFINE(TI_PREEMPT, offsetof(struct thread_info, preempt_count)); 45 DEFINE(TI_ADDR_LIMIT, offsetof(struct thread_info, addr_limit)); 46 DEFINE(TI_TASK, offsetof(struct thread_info, task)); 47 DEFINE(TI_EXEC_DOMAIN, offsetof(struct thread_info, exec_domain)); 48 DEFINE(TI_CPU, offsetof(struct thread_info, cpu)); 49 DEFINE(TI_CPU_DOMAIN, offsetof(struct thread_info, cpu_domain)); 50 DEFINE(TI_CPU_SAVE, offsetof(struct thread_info, cpu_context)); 51 DEFINE(TI_USED_CP, offsetof(struct thread_info, used_cp)); 52 DEFINE(TI_TP_VALUE, offsetof(struct thread_info, tp_value)); 53 DEFINE(TI_FPSTATE, offsetof(struct thread_info, fpstate)); 54 DEFINE(TI_VFPSTATE, offsetof(struct thread_info, vfpstate)); 55 #ifdef CONFIG_ARM_THUMBEE 56 DEFINE(TI_THUMBEE_STATE, offsetof(struct thread_info, thumbee_state)); 57 #endif 58 #ifdef CONFIG_IWMMXT 59 DEFINE(TI_IWMMXT_STATE, offsetof(struct thread_info, fpstate.iwmmxt)); 60 #endif 61 #ifdef CONFIG_CRUNCH 62 DEFINE(TI_CRUNCH_STATE, offsetof(struct thread_info, crunchstate)); 63 #endif 64 BLANK(); 65 DEFINE(S_R0, offsetof(struct pt_regs, ARM_r0)); 66 DEFINE(S_R1, offsetof(struct pt_regs, ARM_r1)); 67 DEFINE(S_R2, offsetof(struct pt_regs, ARM_r2)); 68 DEFINE(S_R3, offsetof(struct pt_regs, ARM_r3)); 69 DEFINE(S_R4, offsetof(struct pt_regs, ARM_r4)); 70 DEFINE(S_R5, offsetof(struct pt_regs, ARM_r5)); 71 DEFINE(S_R6, offsetof(struct pt_regs, ARM_r6)); 72 DEFINE(S_R7, offsetof(struct pt_regs, ARM_r7)); 73 DEFINE(S_R8, offsetof(struct pt_regs, ARM_r8)); 74 DEFINE(S_R9, offsetof(struct pt_regs, ARM_r9)); 75 DEFINE(S_R10, offsetof(struct pt_regs, ARM_r10)); 76 DEFINE(S_FP, offsetof(struct pt_regs, ARM_fp)); 77 DEFINE(S_IP, offsetof(struct pt_regs, ARM_ip)); 78 DEFINE(S_SP, offsetof(struct pt_regs, ARM_sp)); 79 DEFINE(S_LR, offsetof(struct pt_regs, ARM_lr)); 80 DEFINE(S_PC, offsetof(struct pt_regs, ARM_pc)); 81 DEFINE(S_PSR, offsetof(struct pt_regs, ARM_cpsr)); 82 DEFINE(S_OLD_R0, offsetof(struct pt_regs, ARM_ORIG_r0)); 83 DEFINE(S_FRAME_SIZE, sizeof(struct pt_regs)); 84 BLANK(); 85 #ifdef CONFIG_CPU_HAS_ASID 86 DEFINE(MM_CONTEXT_ID, offsetof(struct mm_struct, context.id)); 87 BLANK(); 88 #endif 89 DEFINE(VMA_VM_MM, offsetof(struct vm_area_struct, vm_mm)); 90 DEFINE(VMA_VM_FLAGS, offsetof(struct vm_area_struct, vm_flags)); 91 BLANK(); 92 DEFINE(VM_EXEC, VM_EXEC); 93 BLANK(); 94 DEFINE(PAGE_SZ, PAGE_SIZE); 95 BLANK(); 96 DEFINE(SYS_ERROR0, 0x9f0000); 97 BLANK(); 98 DEFINE(SIZEOF_MACHINE_DESC, sizeof(struct machine_desc)); 99 DEFINE(MACHINFO_TYPE, offsetof(struct machine_desc, nr)); 100 DEFINE(MACHINFO_NAME, offsetof(struct machine_desc, name)); 101 DEFINE(MACHINFO_PHYSIO, offsetof(struct machine_desc, phys_io)); 102 DEFINE(MACHINFO_PGOFFIO, offsetof(struct machine_desc, io_pg_offst)); 103 BLANK(); 104 DEFINE(PROC_INFO_SZ, sizeof(struct proc_info_list)); 105 DEFINE(PROCINFO_INITFUNC, offsetof(struct proc_info_list, __cpu_flush)); 106 DEFINE(PROCINFO_MM_MMUFLAGS, offsetof(struct proc_info_list, __cpu_mm_mmu_flags)); 107 DEFINE(PROCINFO_IO_MMUFLAGS, offsetof(struct proc_info_list, __cpu_io_mmu_flags)); 108 BLANK(); 109 #ifdef MULTI_DABORT 110 DEFINE(PROCESSOR_DABT_FUNC, offsetof(struct processor, _data_abort)); 111 #endif 112 #ifdef MULTI_PABORT 113 DEFINE(PROCESSOR_PABT_FUNC, offsetof(struct processor, _prefetch_abort)); 114 #endif 115 return 0; 116 } 117