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ARM: dma-mapping: disallow dma_get_sgtable() for non-kernel managed memory
[mirror_ubuntu-artful-kernel.git] / arch / arm / kernel / asm-offsets.c
CommitLineData
1da177e4
LT
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 */
7fc15054 13#include <linux/compiler.h>
1da177e4
LT
14#include <linux/sched.h>
15#include <linux/mm.h>
a9c9147e 16#include <linux/dma-mapping.h>
f7ed45be
CD
17#ifdef CONFIG_KVM_ARM_HOST
18#include <linux/kvm_host.h>
19#endif
f6b0fa02 20#include <asm/cacheflush.h>
753790e7
RK
21#include <asm/glue-df.h>
22#include <asm/glue-pf.h>
1da177e4
LT
23#include <asm/mach/arch.h>
24#include <asm/thread_info.h>
25#include <asm/memory.h>
ee90dabc 26#include <asm/procinfo.h>
7604537b 27#include <asm/suspend.h>
8512287a 28#include <asm/vdso_datapage.h>
91c2ebb9 29#include <asm/hardware/cache-l2x0.h>
02cbe474 30#include <linux/kbuild.h>
1da177e4
LT
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/*
1da177e4
LT
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
7fc15054
RK
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).
1da177e4 47 */
7fc15054 48#ifdef __GNUC__
a1365647 49#if (__GNUC__ == 3 && __GNUC_MINOR__ < 3)
1da177e4 50#error Your compiler is too buggy; it is known to miscompile kernels.
7fc15054
RK
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
1da177e4
LT
57#endif
58
1da177e4
LT
59int main(void)
60{
61 DEFINE(TSK_ACTIVE_MM, offsetof(struct task_struct, active_mm));
df0698be
NP
62#ifdef CONFIG_CC_STACKPROTECTOR
63 DEFINE(TSK_STACK_CANARY, offsetof(struct task_struct, stack_canary));
64#endif
1da177e4
LT
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));
1da177e4
LT
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));
9fc31ddc 76#ifdef CONFIG_VFP
1da177e4 77 DEFINE(TI_VFPSTATE, offsetof(struct thread_info, vfpstate));
f8f2a852
RK
78#ifdef CONFIG_SMP
79 DEFINE(VFP_CPU, offsetof(union vfp_state, hard.cpu));
80#endif
9fc31ddc 81#endif
d7f864be
CM
82#ifdef CONFIG_ARM_THUMBEE
83 DEFINE(TI_THUMBEE_STATE, offsetof(struct thread_info, thumbee_state));
84#endif
cdaabbd7
RK
85#ifdef CONFIG_IWMMXT
86 DEFINE(TI_IWMMXT_STATE, offsetof(struct thread_info, fpstate.iwmmxt));
c17fad11
LB
87#endif
88#ifdef CONFIG_CRUNCH
89 DEFINE(TI_CRUNCH_STATE, offsetof(struct thread_info, crunchstate));
cdaabbd7 90#endif
1da177e4 91 BLANK();
925c8a1a
RK
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));
5745eef6 110 DEFINE(PT_REGS_SIZE, sizeof(struct pt_regs));
e6a9dc61 111 DEFINE(SVC_DACR, offsetof(struct svc_pt_regs, dacr));
e6978e4b 112 DEFINE(SVC_ADDR_LIMIT, offsetof(struct svc_pt_regs, addr_limit));
e6a9dc61 113 DEFINE(SVC_REGS_SIZE, sizeof(struct svc_pt_regs));
925c8a1a 114 BLANK();
91c2ebb9
BS
115#ifdef CONFIG_CACHE_L2X0
116 DEFINE(L2X0_R_PHY_BASE, offsetof(struct l2x0_regs, phy_base));
117 DEFINE(L2X0_R_AUX_CTRL, offsetof(struct l2x0_regs, aux_ctrl));
118 DEFINE(L2X0_R_TAG_LATENCY, offsetof(struct l2x0_regs, tag_latency));
119 DEFINE(L2X0_R_DATA_LATENCY, offsetof(struct l2x0_regs, data_latency));
120 DEFINE(L2X0_R_FILTER_START, offsetof(struct l2x0_regs, filter_start));
121 DEFINE(L2X0_R_FILTER_END, offsetof(struct l2x0_regs, filter_end));
122 DEFINE(L2X0_R_PREFETCH_CTRL, offsetof(struct l2x0_regs, prefetch_ctrl));
123 DEFINE(L2X0_R_PWR_CTRL, offsetof(struct l2x0_regs, pwr_ctrl));
124 BLANK();
125#endif
516793c6 126#ifdef CONFIG_CPU_HAS_ASID
8a4e3a9e 127 DEFINE(MM_CONTEXT_ID, offsetof(struct mm_struct, context.id.counter));
1da177e4
LT
128 BLANK();
129#endif
130 DEFINE(VMA_VM_MM, offsetof(struct vm_area_struct, vm_mm));
131 DEFINE(VMA_VM_FLAGS, offsetof(struct vm_area_struct, vm_flags));
132 BLANK();
133 DEFINE(VM_EXEC, VM_EXEC);
134 BLANK();
135 DEFINE(PAGE_SZ, PAGE_SIZE);
1da177e4
LT
136 BLANK();
137 DEFINE(SYS_ERROR0, 0x9f0000);
138 BLANK();
139 DEFINE(SIZEOF_MACHINE_DESC, sizeof(struct machine_desc));
2eb9d315
UZ
140 DEFINE(MACHINFO_TYPE, offsetof(struct machine_desc, nr));
141 DEFINE(MACHINFO_NAME, offsetof(struct machine_desc, name));
2ceec0c8
UZ
142 BLANK();
143 DEFINE(PROC_INFO_SZ, sizeof(struct proc_info_list));
2eb9d315 144 DEFINE(PROCINFO_INITFUNC, offsetof(struct proc_info_list, __cpu_flush));
8799ee9f
RK
145 DEFINE(PROCINFO_MM_MMUFLAGS, offsetof(struct proc_info_list, __cpu_mm_mmu_flags));
146 DEFINE(PROCINFO_IO_MMUFLAGS, offsetof(struct proc_info_list, __cpu_io_mmu_flags));
48d7927b
PB
147 BLANK();
148#ifdef MULTI_DABORT
149 DEFINE(PROCESSOR_DABT_FUNC, offsetof(struct processor, _data_abort));
150#endif
151#ifdef MULTI_PABORT
152 DEFINE(PROCESSOR_PABT_FUNC, offsetof(struct processor, _prefetch_abort));
f6b0fa02
RK
153#endif
154#ifdef MULTI_CPU
155 DEFINE(CPU_SLEEP_SIZE, offsetof(struct processor, suspend_size));
156 DEFINE(CPU_DO_SUSPEND, offsetof(struct processor, do_suspend));
157 DEFINE(CPU_DO_RESUME, offsetof(struct processor, do_resume));
158#endif
159#ifdef MULTI_CACHE
160 DEFINE(CACHE_FLUSH_KERN_ALL, offsetof(struct cpu_cache_fns, flush_kern_all));
7604537b
LP
161#endif
162#ifdef CONFIG_ARM_CPU_SUSPEND
163 DEFINE(SLEEP_SAVE_SP_SZ, sizeof(struct sleep_save_sp));
164 DEFINE(SLEEP_SAVE_SP_PHYS, offsetof(struct sleep_save_sp, save_ptr_stash_phys));
165 DEFINE(SLEEP_SAVE_SP_VIRT, offsetof(struct sleep_save_sp, save_ptr_stash));
48d7927b 166#endif
a9c9147e
RK
167 BLANK();
168 DEFINE(DMA_BIDIRECTIONAL, DMA_BIDIRECTIONAL);
169 DEFINE(DMA_TO_DEVICE, DMA_TO_DEVICE);
170 DEFINE(DMA_FROM_DEVICE, DMA_FROM_DEVICE);
7fe31d28 171 BLANK();
1ae98561 172 DEFINE(CACHE_WRITEBACK_ORDER, __CACHE_WRITEBACK_ORDER);
7fe31d28
DM
173 DEFINE(CACHE_WRITEBACK_GRANULE, __CACHE_WRITEBACK_GRANULE);
174 BLANK();
f7ed45be 175#ifdef CONFIG_KVM_ARM_HOST
0ca5565d
MZ
176 DEFINE(VCPU_GUEST_CTXT, offsetof(struct kvm_vcpu, arch.ctxt));
177 DEFINE(VCPU_HOST_CTXT, offsetof(struct kvm_vcpu, arch.host_cpu_context));
178 DEFINE(CPU_CTXT_VFP, offsetof(struct kvm_cpu_context, vfp));
c2a8dab5
MZ
179 DEFINE(CPU_CTXT_GP_REGS, offsetof(struct kvm_cpu_context, gp_regs));
180 DEFINE(GP_REGS_USR, offsetof(struct kvm_regs, usr_regs));
8512287a
NL
181#endif
182 BLANK();
183#ifdef CONFIG_VDSO
184 DEFINE(VDSO_DATA_SIZE, sizeof(union vdso_data_store));
f7ed45be 185#endif
1da177e4
LT
186 return 0;
187}