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review.trustedfirmware.org / hafnium / third_party / linux.git / 0f672f6c0b52b7b0700b0915c72b540721af4465 / . / arch / arm / kernel / asm-offsets.c
blob: c773b829ee8eefd303983fb90fad5d9ce8839a3d [file] [log] [blame]
David Brazdil0f672f62019-12-10 10:32:29 +0000[diff] [blame^]1// SPDX-License-Identifier: GPL-2.0-only
Andrew Scullb4b6d4a2019-01-02 15:54:55 +0000[diff] [blame]2/*
3 * Copyright (C) 1995-2003 Russell King
4 * 2001-2002 Keith Owens
5 *
6 * Generate definitions needed by assembly language modules.
7 * This code generates raw asm output which is post-processed to extract
8 * and format the required data.
Andrew Scullb4b6d4a2019-01-02 15:54:55 +0000[diff] [blame]9 */
10#include <linux/compiler.h>
11#include <linux/sched.h>
12#include <linux/mm.h>
13#include <linux/dma-mapping.h>
14#ifdef CONFIG_KVM_ARM_HOST
15#include <linux/kvm_host.h>
16#endif
17#include <asm/cacheflush.h>
18#include <asm/glue-df.h>
19#include <asm/glue-pf.h>
20#include <asm/mach/arch.h>
21#include <asm/thread_info.h>
22#include <asm/memory.h>
23#include <asm/mpu.h>
24#include <asm/procinfo.h>
25#include <asm/suspend.h>
26#include <asm/vdso_datapage.h>
27#include <asm/hardware/cache-l2x0.h>
28#include <linux/kbuild.h>
29#include "signal.h"
30
31/*
32 * Make sure that the compiler and target are compatible.
33 */
34#if defined(__APCS_26__)
35#error Sorry, your compiler targets APCS-26 but this kernel requires APCS-32
36#endif
37/*
38 * GCC 4.8.0-4.8.2: https://gcc.gnu.org/bugzilla/show_bug.cgi?id=58854
39 * miscompiles find_get_entry(), and can result in EXT3 and EXT4
40 * filesystem corruption (possibly other FS too).
41 */
42#if defined(GCC_VERSION) && GCC_VERSION >= 40800 && GCC_VERSION < 40803
43#error Your compiler is too buggy; it is known to miscompile kernels
44#error and result in filesystem corruption and oopses.
45#endif
46
47int main(void)
48{
49 DEFINE(TSK_ACTIVE_MM, offsetof(struct task_struct, active_mm));
50#ifdef CONFIG_STACKPROTECTOR
51 DEFINE(TSK_STACK_CANARY, offsetof(struct task_struct, stack_canary));
52#endif
53 BLANK();
54 DEFINE(TI_FLAGS, offsetof(struct thread_info, flags));
55 DEFINE(TI_PREEMPT, offsetof(struct thread_info, preempt_count));
56 DEFINE(TI_ADDR_LIMIT, offsetof(struct thread_info, addr_limit));
57 DEFINE(TI_TASK, offsetof(struct thread_info, task));
58 DEFINE(TI_CPU, offsetof(struct thread_info, cpu));
59 DEFINE(TI_CPU_DOMAIN, offsetof(struct thread_info, cpu_domain));
60 DEFINE(TI_CPU_SAVE, offsetof(struct thread_info, cpu_context));
61 DEFINE(TI_USED_CP, offsetof(struct thread_info, used_cp));
62 DEFINE(TI_TP_VALUE, offsetof(struct thread_info, tp_value));
63 DEFINE(TI_FPSTATE, offsetof(struct thread_info, fpstate));
64#ifdef CONFIG_VFP
65 DEFINE(TI_VFPSTATE, offsetof(struct thread_info, vfpstate));
66#ifdef CONFIG_SMP
67 DEFINE(VFP_CPU, offsetof(union vfp_state, hard.cpu));
68#endif
69#endif
70#ifdef CONFIG_ARM_THUMBEE
71 DEFINE(TI_THUMBEE_STATE, offsetof(struct thread_info, thumbee_state));
72#endif
73#ifdef CONFIG_IWMMXT
74 DEFINE(TI_IWMMXT_STATE, offsetof(struct thread_info, fpstate.iwmmxt));
75#endif
76#ifdef CONFIG_CRUNCH
77 DEFINE(TI_CRUNCH_STATE, offsetof(struct thread_info, crunchstate));
78#endif
David Brazdil0f672f62019-12-10 10:32:29 +0000[diff] [blame^]79#ifdef CONFIG_STACKPROTECTOR_PER_TASK
80 DEFINE(TI_STACK_CANARY, offsetof(struct thread_info, stack_canary));
81#endif
82 DEFINE(THREAD_SZ_ORDER, THREAD_SIZE_ORDER);
Andrew Scullb4b6d4a2019-01-02 15:54:55 +0000[diff] [blame]83 BLANK();
84 DEFINE(S_R0, offsetof(struct pt_regs, ARM_r0));
85 DEFINE(S_R1, offsetof(struct pt_regs, ARM_r1));
86 DEFINE(S_R2, offsetof(struct pt_regs, ARM_r2));
87 DEFINE(S_R3, offsetof(struct pt_regs, ARM_r3));
88 DEFINE(S_R4, offsetof(struct pt_regs, ARM_r4));
89 DEFINE(S_R5, offsetof(struct pt_regs, ARM_r5));
90 DEFINE(S_R6, offsetof(struct pt_regs, ARM_r6));
91 DEFINE(S_R7, offsetof(struct pt_regs, ARM_r7));
92 DEFINE(S_R8, offsetof(struct pt_regs, ARM_r8));
93 DEFINE(S_R9, offsetof(struct pt_regs, ARM_r9));
94 DEFINE(S_R10, offsetof(struct pt_regs, ARM_r10));
95 DEFINE(S_FP, offsetof(struct pt_regs, ARM_fp));
96 DEFINE(S_IP, offsetof(struct pt_regs, ARM_ip));
97 DEFINE(S_SP, offsetof(struct pt_regs, ARM_sp));
98 DEFINE(S_LR, offsetof(struct pt_regs, ARM_lr));
99 DEFINE(S_PC, offsetof(struct pt_regs, ARM_pc));
100 DEFINE(S_PSR, offsetof(struct pt_regs, ARM_cpsr));
101 DEFINE(S_OLD_R0, offsetof(struct pt_regs, ARM_ORIG_r0));
102 DEFINE(PT_REGS_SIZE, sizeof(struct pt_regs));
103 DEFINE(SVC_DACR, offsetof(struct svc_pt_regs, dacr));
104 DEFINE(SVC_ADDR_LIMIT, offsetof(struct svc_pt_regs, addr_limit));
105 DEFINE(SVC_REGS_SIZE, sizeof(struct svc_pt_regs));
106 BLANK();
107 DEFINE(SIGFRAME_RC3_OFFSET, offsetof(struct sigframe, retcode[3]));
108 DEFINE(RT_SIGFRAME_RC3_OFFSET, offsetof(struct rt_sigframe, sig.retcode[3]));
109 BLANK();
110#ifdef CONFIG_CACHE_L2X0
111 DEFINE(L2X0_R_PHY_BASE, offsetof(struct l2x0_regs, phy_base));
112 DEFINE(L2X0_R_AUX_CTRL, offsetof(struct l2x0_regs, aux_ctrl));
113 DEFINE(L2X0_R_TAG_LATENCY, offsetof(struct l2x0_regs, tag_latency));
114 DEFINE(L2X0_R_DATA_LATENCY, offsetof(struct l2x0_regs, data_latency));
115 DEFINE(L2X0_R_FILTER_START, offsetof(struct l2x0_regs, filter_start));
116 DEFINE(L2X0_R_FILTER_END, offsetof(struct l2x0_regs, filter_end));
117 DEFINE(L2X0_R_PREFETCH_CTRL, offsetof(struct l2x0_regs, prefetch_ctrl));
118 DEFINE(L2X0_R_PWR_CTRL, offsetof(struct l2x0_regs, pwr_ctrl));
119 BLANK();
120#endif
121#ifdef CONFIG_CPU_HAS_ASID
122 DEFINE(MM_CONTEXT_ID, offsetof(struct mm_struct, context.id.counter));
123 BLANK();
124#endif
125 DEFINE(VMA_VM_MM, offsetof(struct vm_area_struct, vm_mm));
126 DEFINE(VMA_VM_FLAGS, offsetof(struct vm_area_struct, vm_flags));
127 BLANK();
128 DEFINE(VM_EXEC, VM_EXEC);
129 BLANK();
130 DEFINE(PAGE_SZ, PAGE_SIZE);
131 BLANK();
132 DEFINE(SYS_ERROR0, 0x9f0000);
133 BLANK();
134 DEFINE(SIZEOF_MACHINE_DESC, sizeof(struct machine_desc));
135 DEFINE(MACHINFO_TYPE, offsetof(struct machine_desc, nr));
136 DEFINE(MACHINFO_NAME, offsetof(struct machine_desc, name));
137 BLANK();
138 DEFINE(PROC_INFO_SZ, sizeof(struct proc_info_list));
139 DEFINE(PROCINFO_INITFUNC, offsetof(struct proc_info_list, __cpu_flush));
140 DEFINE(PROCINFO_MM_MMUFLAGS, offsetof(struct proc_info_list, __cpu_mm_mmu_flags));
141 DEFINE(PROCINFO_IO_MMUFLAGS, offsetof(struct proc_info_list, __cpu_io_mmu_flags));
142 BLANK();
143#ifdef MULTI_DABORT
144 DEFINE(PROCESSOR_DABT_FUNC, offsetof(struct processor, _data_abort));
145#endif
146#ifdef MULTI_PABORT
147 DEFINE(PROCESSOR_PABT_FUNC, offsetof(struct processor, _prefetch_abort));
148#endif
149#ifdef MULTI_CPU
150 DEFINE(CPU_SLEEP_SIZE, offsetof(struct processor, suspend_size));
151 DEFINE(CPU_DO_SUSPEND, offsetof(struct processor, do_suspend));
152 DEFINE(CPU_DO_RESUME, offsetof(struct processor, do_resume));
153#endif
154#ifdef MULTI_CACHE
155 DEFINE(CACHE_FLUSH_KERN_ALL, offsetof(struct cpu_cache_fns, flush_kern_all));
156#endif
157#ifdef CONFIG_ARM_CPU_SUSPEND
158 DEFINE(SLEEP_SAVE_SP_SZ, sizeof(struct sleep_save_sp));
159 DEFINE(SLEEP_SAVE_SP_PHYS, offsetof(struct sleep_save_sp, save_ptr_stash_phys));
160 DEFINE(SLEEP_SAVE_SP_VIRT, offsetof(struct sleep_save_sp, save_ptr_stash));
161#endif
162 BLANK();
163 DEFINE(DMA_BIDIRECTIONAL, DMA_BIDIRECTIONAL);
164 DEFINE(DMA_TO_DEVICE, DMA_TO_DEVICE);
165 DEFINE(DMA_FROM_DEVICE, DMA_FROM_DEVICE);
166 BLANK();
167 DEFINE(CACHE_WRITEBACK_ORDER, __CACHE_WRITEBACK_ORDER);
168 DEFINE(CACHE_WRITEBACK_GRANULE, __CACHE_WRITEBACK_GRANULE);
169 BLANK();
170#ifdef CONFIG_KVM_ARM_HOST
171 DEFINE(VCPU_GUEST_CTXT, offsetof(struct kvm_vcpu, arch.ctxt));
172 DEFINE(VCPU_HOST_CTXT, offsetof(struct kvm_vcpu, arch.host_cpu_context));
173 DEFINE(CPU_CTXT_VFP, offsetof(struct kvm_cpu_context, vfp));
174 DEFINE(CPU_CTXT_GP_REGS, offsetof(struct kvm_cpu_context, gp_regs));
175 DEFINE(GP_REGS_USR, offsetof(struct kvm_regs, usr_regs));
176#endif
177 BLANK();
178#ifdef CONFIG_VDSO
179 DEFINE(VDSO_DATA_SIZE, sizeof(union vdso_data_store));
180#endif
181 BLANK();
182#ifdef CONFIG_ARM_MPU
183 DEFINE(MPU_RNG_INFO_RNGS, offsetof(struct mpu_rgn_info, rgns));
184 DEFINE(MPU_RNG_INFO_USED, offsetof(struct mpu_rgn_info, used));
185
186 DEFINE(MPU_RNG_SIZE, sizeof(struct mpu_rgn));
187 DEFINE(MPU_RGN_DRBAR, offsetof(struct mpu_rgn, drbar));
188 DEFINE(MPU_RGN_DRSR, offsetof(struct mpu_rgn, drsr));
189 DEFINE(MPU_RGN_DRACR, offsetof(struct mpu_rgn, dracr));
190 DEFINE(MPU_RGN_PRBAR, offsetof(struct mpu_rgn, prbar));
191 DEFINE(MPU_RGN_PRLAR, offsetof(struct mpu_rgn, prlar));
192#endif
193 return 0;
194}