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Linus Torvalds1da177e2005-04-16 15:20:36 -07001/*
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 */
Russell King7fc15052014-10-15 22:37:13 +010013#include <linux/compiler.h>
Linus Torvalds1da177e2005-04-16 15:20:36 -070014#include <linux/sched.h>
15#include <linux/mm.h>
Russell Kinga9c91472009-11-26 16:19:58 +000016#include <linux/dma-mapping.h>
Christoffer Dallf7ed45b2013-01-20 18:47:42 -050017#ifdef CONFIG_KVM_ARM_HOST
18#include <linux/kvm_host.h>
19#endif
Russell Kingf6b0fa02011-02-06 15:48:39 +000020#include <asm/cacheflush.h>
Russell King753790e2011-02-06 15:32:24 +000021#include <asm/glue-df.h>
22#include <asm/glue-pf.h>
Linus Torvalds1da177e2005-04-16 15:20:36 -070023#include <asm/mach/arch.h>
24#include <asm/thread_info.h>
25#include <asm/memory.h>
Russell Kingee90dab2006-11-09 14:20:47 +000026#include <asm/procinfo.h>
Lorenzo Pieralisi76045372013-05-16 10:34:30 +010027#include <asm/suspend.h>
Nathan Lynch85122872015-03-25 19:14:22 +010028#include <asm/vdso_datapage.h>
Barry Song91c2ebb2011-09-30 14:43:12 +010029#include <asm/hardware/cache-l2x0.h>
Christoph Lameter02cbe4742008-04-29 01:03:59 -070030#include <linux/kbuild.h>
Linus Torvalds1da177e2005-04-16 15:20:36 -070031
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/*
Linus Torvalds1da177e2005-04-16 15:20:36 -070039 * 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
Russell King7fc15052014-10-15 22:37:13 +010044 * 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).
Linus Torvalds1da177e2005-04-16 15:20:36 -070047 */
Russell King7fc15052014-10-15 22:37:13 +010048#ifdef __GNUC__
Andrew Mortona1365642006-01-08 01:04:09 -080049#if (__GNUC__ == 3 && __GNUC_MINOR__ < 3)
Linus Torvalds1da177e2005-04-16 15:20:36 -070050#error Your compiler is too buggy; it is known to miscompile kernels.
Russell King7fc15052014-10-15 22:37:13 +010051#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
Linus Torvalds1da177e2005-04-16 15:20:36 -070057#endif
58
Linus Torvalds1da177e2005-04-16 15:20:36 -070059int main(void)
60{
61 DEFINE(TSK_ACTIVE_MM, offsetof(struct task_struct, active_mm));
Nicolas Pitredf0698b2010-06-07 21:50:33 -040062#ifdef CONFIG_CC_STACKPROTECTOR
63 DEFINE(TSK_STACK_CANARY, offsetof(struct task_struct, stack_canary));
64#endif
Linus Torvalds1da177e2005-04-16 15:20:36 -070065 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));
Linus Torvalds1da177e2005-04-16 15:20:36 -070070 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));
Russell King9fc31dd2012-08-29 11:16:59 +010076#ifdef CONFIG_VFP
Linus Torvalds1da177e2005-04-16 15:20:36 -070077 DEFINE(TI_VFPSTATE, offsetof(struct thread_info, vfpstate));
Russell Kingf8f2a852011-07-09 16:09:43 +010078#ifdef CONFIG_SMP
79 DEFINE(VFP_CPU, offsetof(union vfp_state, hard.cpu));
80#endif
Russell King9fc31dd2012-08-29 11:16:59 +010081#endif
Catalin Marinasd7f864b2008-04-18 22:43:06 +010082#ifdef CONFIG_ARM_THUMBEE
83 DEFINE(TI_THUMBEE_STATE, offsetof(struct thread_info, thumbee_state));
84#endif
Russell Kingcdaabbd2006-03-12 22:36:06 +000085#ifdef CONFIG_IWMMXT
86 DEFINE(TI_IWMMXT_STATE, offsetof(struct thread_info, fpstate.iwmmxt));
87#endif
Lennert Buytenhekc17fad12006-06-27 23:03:03 +010088#ifdef CONFIG_CRUNCH
89 DEFINE(TI_CRUNCH_STATE, offsetof(struct thread_info, crunchstate));
90#endif
Linus Torvalds1da177e2005-04-16 15:20:36 -070091 BLANK();
Russell King925c8a12005-04-26 15:18:59 +010092 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();
Barry Song91c2ebb2011-09-30 14:43:12 +0100112#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
Russell King516793c2007-05-17 10:19:23 +0100123#ifdef CONFIG_CPU_HAS_ASID
Will Deacon8a4e3a92013-02-28 17:47:36 +0100124 DEFINE(MM_CONTEXT_ID, offsetof(struct mm_struct, context.id.counter));
Linus Torvalds1da177e2005-04-16 15:20:36 -0700125 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);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700133 BLANK();
134 DEFINE(SYS_ERROR0, 0x9f0000);
135 BLANK();
136 DEFINE(SIZEOF_MACHINE_DESC, sizeof(struct machine_desc));
Uwe Zeisberger2eb9d312006-05-05 15:11:14 +0100137 DEFINE(MACHINFO_TYPE, offsetof(struct machine_desc, nr));
138 DEFINE(MACHINFO_NAME, offsetof(struct machine_desc, name));
Uwe Zeisberger2ceec0c2006-05-10 18:11:05 +0100139 BLANK();
140 DEFINE(PROC_INFO_SZ, sizeof(struct proc_info_list));
Uwe Zeisberger2eb9d312006-05-05 15:11:14 +0100141 DEFINE(PROCINFO_INITFUNC, offsetof(struct proc_info_list, __cpu_flush));
Russell King8799ee92006-06-29 18:24:21 +0100142 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));
Paul Brook48d79272008-04-18 22:43:07 +0100144 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
Russell Kingf6b0fa02011-02-06 15:48:39 +0000151#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
Lorenzo Pieralisi76045372013-05-16 10:34:30 +0100159#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
Russell Kinga9c91472009-11-26 16:19:58 +0000164 BLANK();
165 DEFINE(DMA_BIDIRECTIONAL, DMA_BIDIRECTIONAL);
166 DEFINE(DMA_TO_DEVICE, DMA_TO_DEVICE);
167 DEFINE(DMA_FROM_DEVICE, DMA_FROM_DEVICE);
Dave Martin7fe31d22012-07-17 14:25:42 +0100168 BLANK();
Dave Martin1ae98562012-08-17 16:07:02 +0100169 DEFINE(CACHE_WRITEBACK_ORDER, __CACHE_WRITEBACK_ORDER);
Dave Martin7fe31d22012-07-17 14:25:42 +0100170 DEFINE(CACHE_WRITEBACK_GRANULE, __CACHE_WRITEBACK_GRANULE);
171 BLANK();
Christoffer Dallf7ed45b2013-01-20 18:47:42 -0500172#ifdef CONFIG_KVM_ARM_HOST
Marc Zyngier0ca55652016-01-03 11:01:49 +0000173 DEFINE(VCPU_GUEST_CTXT, offsetof(struct kvm_vcpu, arch.ctxt));
174 DEFINE(VCPU_HOST_CTXT, offsetof(struct kvm_vcpu, arch.host_cpu_context));
175 DEFINE(CPU_CTXT_VFP, offsetof(struct kvm_cpu_context, vfp));
Marc Zyngierc2a8dab5072016-01-03 11:26:01 +0000176 DEFINE(CPU_CTXT_GP_REGS, offsetof(struct kvm_cpu_context, gp_regs));
177 DEFINE(GP_REGS_USR, offsetof(struct kvm_regs, usr_regs));
Christoffer Dallf7ed45b2013-01-20 18:47:42 -0500178#endif
Nathan Lynch85122872015-03-25 19:14:22 +0100179 BLANK();
180#ifdef CONFIG_VDSO
181 DEFINE(VDSO_DATA_SIZE, sizeof(union vdso_data_store));
182#endif
Linus Torvalds1da177e2005-04-16 15:20:36 -0700183 return 0;
184}