xref: /linux/arch/arm64/kernel/asm-offsets.c (revision e9f0878c4b2004ac19581274c1ae4c61ae3ca70e)
1 /*
2  * Based on arch/arm/kernel/asm-offsets.c
3  *
4  * Copyright (C) 1995-2003 Russell King
5  *               2001-2002 Keith Owens
6  * Copyright (C) 2012 ARM Ltd.
7  *
8  * This program is free software; you can redistribute it and/or modify
9  * it under the terms of the GNU General Public License version 2 as
10  * published by the Free Software Foundation.
11  *
12  * This program is distributed in the hope that it will be useful,
13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
15  * GNU General Public License for more details.
16  *
17  * You should have received a copy of the GNU General Public License
18  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
19  */
20 
21 #include <linux/arm_sdei.h>
22 #include <linux/sched.h>
23 #include <linux/mm.h>
24 #include <linux/dma-mapping.h>
25 #include <linux/kvm_host.h>
26 #include <linux/preempt.h>
27 #include <linux/suspend.h>
28 #include <asm/cpufeature.h>
29 #include <asm/fixmap.h>
30 #include <asm/thread_info.h>
31 #include <asm/memory.h>
32 #include <asm/smp_plat.h>
33 #include <asm/suspend.h>
34 #include <asm/vdso_datapage.h>
35 #include <linux/kbuild.h>
36 #include <linux/arm-smccc.h>
37 
38 int main(void)
39 {
40   DEFINE(TSK_ACTIVE_MM,		offsetof(struct task_struct, active_mm));
41   BLANK();
42   DEFINE(TSK_TI_FLAGS,		offsetof(struct task_struct, thread_info.flags));
43   DEFINE(TSK_TI_PREEMPT,	offsetof(struct task_struct, thread_info.preempt_count));
44   DEFINE(TSK_TI_ADDR_LIMIT,	offsetof(struct task_struct, thread_info.addr_limit));
45 #ifdef CONFIG_ARM64_SW_TTBR0_PAN
46   DEFINE(TSK_TI_TTBR0,		offsetof(struct task_struct, thread_info.ttbr0));
47 #endif
48   DEFINE(TSK_STACK,		offsetof(struct task_struct, stack));
49   BLANK();
50   DEFINE(THREAD_CPU_CONTEXT,	offsetof(struct task_struct, thread.cpu_context));
51   BLANK();
52   DEFINE(S_X0,			offsetof(struct pt_regs, regs[0]));
53   DEFINE(S_X1,			offsetof(struct pt_regs, regs[1]));
54   DEFINE(S_X2,			offsetof(struct pt_regs, regs[2]));
55   DEFINE(S_X3,			offsetof(struct pt_regs, regs[3]));
56   DEFINE(S_X4,			offsetof(struct pt_regs, regs[4]));
57   DEFINE(S_X5,			offsetof(struct pt_regs, regs[5]));
58   DEFINE(S_X6,			offsetof(struct pt_regs, regs[6]));
59   DEFINE(S_X7,			offsetof(struct pt_regs, regs[7]));
60   DEFINE(S_X8,			offsetof(struct pt_regs, regs[8]));
61   DEFINE(S_X10,			offsetof(struct pt_regs, regs[10]));
62   DEFINE(S_X12,			offsetof(struct pt_regs, regs[12]));
63   DEFINE(S_X14,			offsetof(struct pt_regs, regs[14]));
64   DEFINE(S_X16,			offsetof(struct pt_regs, regs[16]));
65   DEFINE(S_X18,			offsetof(struct pt_regs, regs[18]));
66   DEFINE(S_X20,			offsetof(struct pt_regs, regs[20]));
67   DEFINE(S_X22,			offsetof(struct pt_regs, regs[22]));
68   DEFINE(S_X24,			offsetof(struct pt_regs, regs[24]));
69   DEFINE(S_X26,			offsetof(struct pt_regs, regs[26]));
70   DEFINE(S_X28,			offsetof(struct pt_regs, regs[28]));
71   DEFINE(S_LR,			offsetof(struct pt_regs, regs[30]));
72   DEFINE(S_SP,			offsetof(struct pt_regs, sp));
73 #ifdef CONFIG_COMPAT
74   DEFINE(S_COMPAT_SP,		offsetof(struct pt_regs, compat_sp));
75 #endif
76   DEFINE(S_PSTATE,		offsetof(struct pt_regs, pstate));
77   DEFINE(S_PC,			offsetof(struct pt_regs, pc));
78   DEFINE(S_ORIG_X0,		offsetof(struct pt_regs, orig_x0));
79   DEFINE(S_SYSCALLNO,		offsetof(struct pt_regs, syscallno));
80   DEFINE(S_ORIG_ADDR_LIMIT,	offsetof(struct pt_regs, orig_addr_limit));
81   DEFINE(S_STACKFRAME,		offsetof(struct pt_regs, stackframe));
82   DEFINE(S_FRAME_SIZE,		sizeof(struct pt_regs));
83   BLANK();
84   DEFINE(MM_CONTEXT_ID,		offsetof(struct mm_struct, context.id.counter));
85   BLANK();
86   DEFINE(VMA_VM_MM,		offsetof(struct vm_area_struct, vm_mm));
87   DEFINE(VMA_VM_FLAGS,		offsetof(struct vm_area_struct, vm_flags));
88   BLANK();
89   DEFINE(VM_EXEC,	       	VM_EXEC);
90   BLANK();
91   DEFINE(PAGE_SZ,	       	PAGE_SIZE);
92   BLANK();
93   DEFINE(DMA_BIDIRECTIONAL,	DMA_BIDIRECTIONAL);
94   DEFINE(DMA_TO_DEVICE,		DMA_TO_DEVICE);
95   DEFINE(DMA_FROM_DEVICE,	DMA_FROM_DEVICE);
96   BLANK();
97   DEFINE(PREEMPT_DISABLE_OFFSET, PREEMPT_DISABLE_OFFSET);
98   BLANK();
99   DEFINE(CLOCK_REALTIME,	CLOCK_REALTIME);
100   DEFINE(CLOCK_MONOTONIC,	CLOCK_MONOTONIC);
101   DEFINE(CLOCK_MONOTONIC_RAW,	CLOCK_MONOTONIC_RAW);
102   DEFINE(CLOCK_REALTIME_RES,	MONOTONIC_RES_NSEC);
103   DEFINE(CLOCK_REALTIME_COARSE,	CLOCK_REALTIME_COARSE);
104   DEFINE(CLOCK_MONOTONIC_COARSE,CLOCK_MONOTONIC_COARSE);
105   DEFINE(CLOCK_COARSE_RES,	LOW_RES_NSEC);
106   DEFINE(NSEC_PER_SEC,		NSEC_PER_SEC);
107   BLANK();
108   DEFINE(VDSO_CS_CYCLE_LAST,	offsetof(struct vdso_data, cs_cycle_last));
109   DEFINE(VDSO_RAW_TIME_SEC,	offsetof(struct vdso_data, raw_time_sec));
110   DEFINE(VDSO_RAW_TIME_NSEC,	offsetof(struct vdso_data, raw_time_nsec));
111   DEFINE(VDSO_XTIME_CLK_SEC,	offsetof(struct vdso_data, xtime_clock_sec));
112   DEFINE(VDSO_XTIME_CLK_NSEC,	offsetof(struct vdso_data, xtime_clock_nsec));
113   DEFINE(VDSO_XTIME_CRS_SEC,	offsetof(struct vdso_data, xtime_coarse_sec));
114   DEFINE(VDSO_XTIME_CRS_NSEC,	offsetof(struct vdso_data, xtime_coarse_nsec));
115   DEFINE(VDSO_WTM_CLK_SEC,	offsetof(struct vdso_data, wtm_clock_sec));
116   DEFINE(VDSO_WTM_CLK_NSEC,	offsetof(struct vdso_data, wtm_clock_nsec));
117   DEFINE(VDSO_TB_SEQ_COUNT,	offsetof(struct vdso_data, tb_seq_count));
118   DEFINE(VDSO_CS_MONO_MULT,	offsetof(struct vdso_data, cs_mono_mult));
119   DEFINE(VDSO_CS_RAW_MULT,	offsetof(struct vdso_data, cs_raw_mult));
120   DEFINE(VDSO_CS_SHIFT,		offsetof(struct vdso_data, cs_shift));
121   DEFINE(VDSO_TZ_MINWEST,	offsetof(struct vdso_data, tz_minuteswest));
122   DEFINE(VDSO_TZ_DSTTIME,	offsetof(struct vdso_data, tz_dsttime));
123   DEFINE(VDSO_USE_SYSCALL,	offsetof(struct vdso_data, use_syscall));
124   BLANK();
125   DEFINE(TVAL_TV_SEC,		offsetof(struct timeval, tv_sec));
126   DEFINE(TVAL_TV_USEC,		offsetof(struct timeval, tv_usec));
127   DEFINE(TSPEC_TV_SEC,		offsetof(struct timespec, tv_sec));
128   DEFINE(TSPEC_TV_NSEC,		offsetof(struct timespec, tv_nsec));
129   BLANK();
130   DEFINE(TZ_MINWEST,		offsetof(struct timezone, tz_minuteswest));
131   DEFINE(TZ_DSTTIME,		offsetof(struct timezone, tz_dsttime));
132   BLANK();
133   DEFINE(CPU_BOOT_STACK,	offsetof(struct secondary_data, stack));
134   DEFINE(CPU_BOOT_TASK,		offsetof(struct secondary_data, task));
135   BLANK();
136 #ifdef CONFIG_KVM_ARM_HOST
137   DEFINE(VCPU_CONTEXT,		offsetof(struct kvm_vcpu, arch.ctxt));
138   DEFINE(VCPU_FAULT_DISR,	offsetof(struct kvm_vcpu, arch.fault.disr_el1));
139   DEFINE(VCPU_WORKAROUND_FLAGS,	offsetof(struct kvm_vcpu, arch.workaround_flags));
140   DEFINE(CPU_GP_REGS,		offsetof(struct kvm_cpu_context, gp_regs));
141   DEFINE(CPU_USER_PT_REGS,	offsetof(struct kvm_regs, regs));
142   DEFINE(CPU_FP_REGS,		offsetof(struct kvm_regs, fp_regs));
143   DEFINE(VCPU_FPEXC32_EL2,	offsetof(struct kvm_vcpu, arch.ctxt.sys_regs[FPEXC32_EL2]));
144   DEFINE(VCPU_HOST_CONTEXT,	offsetof(struct kvm_vcpu, arch.host_cpu_context));
145   DEFINE(HOST_CONTEXT_VCPU,	offsetof(struct kvm_cpu_context, __hyp_running_vcpu));
146 #endif
147 #ifdef CONFIG_CPU_PM
148   DEFINE(CPU_SUSPEND_SZ,	sizeof(struct cpu_suspend_ctx));
149   DEFINE(CPU_CTX_SP,		offsetof(struct cpu_suspend_ctx, sp));
150   DEFINE(MPIDR_HASH_MASK,	offsetof(struct mpidr_hash, mask));
151   DEFINE(MPIDR_HASH_SHIFTS,	offsetof(struct mpidr_hash, shift_aff));
152   DEFINE(SLEEP_STACK_DATA_SYSTEM_REGS,	offsetof(struct sleep_stack_data, system_regs));
153   DEFINE(SLEEP_STACK_DATA_CALLEE_REGS,	offsetof(struct sleep_stack_data, callee_saved_regs));
154 #endif
155   DEFINE(ARM_SMCCC_RES_X0_OFFS,		offsetof(struct arm_smccc_res, a0));
156   DEFINE(ARM_SMCCC_RES_X2_OFFS,		offsetof(struct arm_smccc_res, a2));
157   DEFINE(ARM_SMCCC_QUIRK_ID_OFFS,	offsetof(struct arm_smccc_quirk, id));
158   DEFINE(ARM_SMCCC_QUIRK_STATE_OFFS,	offsetof(struct arm_smccc_quirk, state));
159   BLANK();
160   DEFINE(HIBERN_PBE_ORIG,	offsetof(struct pbe, orig_address));
161   DEFINE(HIBERN_PBE_ADDR,	offsetof(struct pbe, address));
162   DEFINE(HIBERN_PBE_NEXT,	offsetof(struct pbe, next));
163   DEFINE(ARM64_FTR_SYSVAL,	offsetof(struct arm64_ftr_reg, sys_val));
164   BLANK();
165 #ifdef CONFIG_UNMAP_KERNEL_AT_EL0
166   DEFINE(TRAMP_VALIAS,		TRAMP_VALIAS);
167 #endif
168 #ifdef CONFIG_ARM_SDE_INTERFACE
169   DEFINE(SDEI_EVENT_INTREGS,	offsetof(struct sdei_registered_event, interrupted_regs));
170   DEFINE(SDEI_EVENT_PRIORITY,	offsetof(struct sdei_registered_event, priority));
171 #endif
172   return 0;
173 }
174