xref: /openbmc/linux/arch/arm64/kernel/asm-offsets.c (revision c819e2cf)
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/sched.h>
22 #include <linux/mm.h>
23 #include <linux/dma-mapping.h>
24 #include <linux/kvm_host.h>
25 #include <asm/thread_info.h>
26 #include <asm/memory.h>
27 #include <asm/cputable.h>
28 #include <asm/smp_plat.h>
29 #include <asm/suspend.h>
30 #include <asm/vdso_datapage.h>
31 #include <linux/kbuild.h>
32 
33 int main(void)
34 {
35   DEFINE(TSK_ACTIVE_MM,		offsetof(struct task_struct, active_mm));
36   BLANK();
37   DEFINE(TI_FLAGS,		offsetof(struct thread_info, flags));
38   DEFINE(TI_PREEMPT,		offsetof(struct thread_info, preempt_count));
39   DEFINE(TI_ADDR_LIMIT,		offsetof(struct thread_info, addr_limit));
40   DEFINE(TI_TASK,		offsetof(struct thread_info, task));
41   DEFINE(TI_EXEC_DOMAIN,	offsetof(struct thread_info, exec_domain));
42   DEFINE(TI_CPU,		offsetof(struct thread_info, cpu));
43   BLANK();
44   DEFINE(THREAD_CPU_CONTEXT,	offsetof(struct task_struct, thread.cpu_context));
45   BLANK();
46   DEFINE(S_X0,			offsetof(struct pt_regs, regs[0]));
47   DEFINE(S_X1,			offsetof(struct pt_regs, regs[1]));
48   DEFINE(S_X2,			offsetof(struct pt_regs, regs[2]));
49   DEFINE(S_X3,			offsetof(struct pt_regs, regs[3]));
50   DEFINE(S_X4,			offsetof(struct pt_regs, regs[4]));
51   DEFINE(S_X5,			offsetof(struct pt_regs, regs[5]));
52   DEFINE(S_X6,			offsetof(struct pt_regs, regs[6]));
53   DEFINE(S_X7,			offsetof(struct pt_regs, regs[7]));
54   DEFINE(S_LR,			offsetof(struct pt_regs, regs[30]));
55   DEFINE(S_SP,			offsetof(struct pt_regs, sp));
56 #ifdef CONFIG_COMPAT
57   DEFINE(S_COMPAT_SP,		offsetof(struct pt_regs, compat_sp));
58 #endif
59   DEFINE(S_PSTATE,		offsetof(struct pt_regs, pstate));
60   DEFINE(S_PC,			offsetof(struct pt_regs, pc));
61   DEFINE(S_ORIG_X0,		offsetof(struct pt_regs, orig_x0));
62   DEFINE(S_SYSCALLNO,		offsetof(struct pt_regs, syscallno));
63   DEFINE(S_FRAME_SIZE,		sizeof(struct pt_regs));
64   BLANK();
65   DEFINE(MM_CONTEXT_ID,		offsetof(struct mm_struct, context.id));
66   BLANK();
67   DEFINE(VMA_VM_MM,		offsetof(struct vm_area_struct, vm_mm));
68   DEFINE(VMA_VM_FLAGS,		offsetof(struct vm_area_struct, vm_flags));
69   BLANK();
70   DEFINE(VM_EXEC,	       	VM_EXEC);
71   BLANK();
72   DEFINE(PAGE_SZ,	       	PAGE_SIZE);
73   BLANK();
74   DEFINE(CPU_INFO_SZ,		sizeof(struct cpu_info));
75   DEFINE(CPU_INFO_SETUP,	offsetof(struct cpu_info, cpu_setup));
76   BLANK();
77   DEFINE(DMA_BIDIRECTIONAL,	DMA_BIDIRECTIONAL);
78   DEFINE(DMA_TO_DEVICE,		DMA_TO_DEVICE);
79   DEFINE(DMA_FROM_DEVICE,	DMA_FROM_DEVICE);
80   BLANK();
81   DEFINE(CLOCK_REALTIME,	CLOCK_REALTIME);
82   DEFINE(CLOCK_MONOTONIC,	CLOCK_MONOTONIC);
83   DEFINE(CLOCK_REALTIME_RES,	MONOTONIC_RES_NSEC);
84   DEFINE(CLOCK_REALTIME_COARSE,	CLOCK_REALTIME_COARSE);
85   DEFINE(CLOCK_MONOTONIC_COARSE,CLOCK_MONOTONIC_COARSE);
86   DEFINE(CLOCK_COARSE_RES,	LOW_RES_NSEC);
87   DEFINE(NSEC_PER_SEC,		NSEC_PER_SEC);
88   BLANK();
89   DEFINE(VDSO_CS_CYCLE_LAST,	offsetof(struct vdso_data, cs_cycle_last));
90   DEFINE(VDSO_XTIME_CLK_SEC,	offsetof(struct vdso_data, xtime_clock_sec));
91   DEFINE(VDSO_XTIME_CLK_NSEC,	offsetof(struct vdso_data, xtime_clock_nsec));
92   DEFINE(VDSO_XTIME_CRS_SEC,	offsetof(struct vdso_data, xtime_coarse_sec));
93   DEFINE(VDSO_XTIME_CRS_NSEC,	offsetof(struct vdso_data, xtime_coarse_nsec));
94   DEFINE(VDSO_WTM_CLK_SEC,	offsetof(struct vdso_data, wtm_clock_sec));
95   DEFINE(VDSO_WTM_CLK_NSEC,	offsetof(struct vdso_data, wtm_clock_nsec));
96   DEFINE(VDSO_TB_SEQ_COUNT,	offsetof(struct vdso_data, tb_seq_count));
97   DEFINE(VDSO_CS_MULT,		offsetof(struct vdso_data, cs_mult));
98   DEFINE(VDSO_CS_SHIFT,		offsetof(struct vdso_data, cs_shift));
99   DEFINE(VDSO_TZ_MINWEST,	offsetof(struct vdso_data, tz_minuteswest));
100   DEFINE(VDSO_TZ_DSTTIME,	offsetof(struct vdso_data, tz_dsttime));
101   DEFINE(VDSO_USE_SYSCALL,	offsetof(struct vdso_data, use_syscall));
102   BLANK();
103   DEFINE(TVAL_TV_SEC,		offsetof(struct timeval, tv_sec));
104   DEFINE(TVAL_TV_USEC,		offsetof(struct timeval, tv_usec));
105   DEFINE(TSPEC_TV_SEC,		offsetof(struct timespec, tv_sec));
106   DEFINE(TSPEC_TV_NSEC,		offsetof(struct timespec, tv_nsec));
107   BLANK();
108   DEFINE(TZ_MINWEST,		offsetof(struct timezone, tz_minuteswest));
109   DEFINE(TZ_DSTTIME,		offsetof(struct timezone, tz_dsttime));
110   BLANK();
111 #ifdef CONFIG_KVM_ARM_HOST
112   DEFINE(VCPU_CONTEXT,		offsetof(struct kvm_vcpu, arch.ctxt));
113   DEFINE(CPU_GP_REGS,		offsetof(struct kvm_cpu_context, gp_regs));
114   DEFINE(CPU_USER_PT_REGS,	offsetof(struct kvm_regs, regs));
115   DEFINE(CPU_FP_REGS,		offsetof(struct kvm_regs, fp_regs));
116   DEFINE(CPU_SP_EL1,		offsetof(struct kvm_regs, sp_el1));
117   DEFINE(CPU_ELR_EL1,		offsetof(struct kvm_regs, elr_el1));
118   DEFINE(CPU_SPSR,		offsetof(struct kvm_regs, spsr));
119   DEFINE(CPU_SYSREGS,		offsetof(struct kvm_cpu_context, sys_regs));
120   DEFINE(VCPU_ESR_EL2,		offsetof(struct kvm_vcpu, arch.fault.esr_el2));
121   DEFINE(VCPU_FAR_EL2,		offsetof(struct kvm_vcpu, arch.fault.far_el2));
122   DEFINE(VCPU_HPFAR_EL2,	offsetof(struct kvm_vcpu, arch.fault.hpfar_el2));
123   DEFINE(VCPU_DEBUG_FLAGS,	offsetof(struct kvm_vcpu, arch.debug_flags));
124   DEFINE(VCPU_HCR_EL2,		offsetof(struct kvm_vcpu, arch.hcr_el2));
125   DEFINE(VCPU_IRQ_LINES,	offsetof(struct kvm_vcpu, arch.irq_lines));
126   DEFINE(VCPU_HOST_CONTEXT,	offsetof(struct kvm_vcpu, arch.host_cpu_context));
127   DEFINE(VCPU_TIMER_CNTV_CTL,	offsetof(struct kvm_vcpu, arch.timer_cpu.cntv_ctl));
128   DEFINE(VCPU_TIMER_CNTV_CVAL,	offsetof(struct kvm_vcpu, arch.timer_cpu.cntv_cval));
129   DEFINE(KVM_TIMER_CNTVOFF,	offsetof(struct kvm, arch.timer.cntvoff));
130   DEFINE(KVM_TIMER_ENABLED,	offsetof(struct kvm, arch.timer.enabled));
131   DEFINE(VCPU_KVM,		offsetof(struct kvm_vcpu, kvm));
132   DEFINE(VCPU_VGIC_CPU,		offsetof(struct kvm_vcpu, arch.vgic_cpu));
133   DEFINE(VGIC_SAVE_FN,		offsetof(struct vgic_sr_vectors, save_vgic));
134   DEFINE(VGIC_RESTORE_FN,	offsetof(struct vgic_sr_vectors, restore_vgic));
135   DEFINE(VGIC_SR_VECTOR_SZ,	sizeof(struct vgic_sr_vectors));
136   DEFINE(VGIC_V2_CPU_HCR,	offsetof(struct vgic_cpu, vgic_v2.vgic_hcr));
137   DEFINE(VGIC_V2_CPU_VMCR,	offsetof(struct vgic_cpu, vgic_v2.vgic_vmcr));
138   DEFINE(VGIC_V2_CPU_MISR,	offsetof(struct vgic_cpu, vgic_v2.vgic_misr));
139   DEFINE(VGIC_V2_CPU_EISR,	offsetof(struct vgic_cpu, vgic_v2.vgic_eisr));
140   DEFINE(VGIC_V2_CPU_ELRSR,	offsetof(struct vgic_cpu, vgic_v2.vgic_elrsr));
141   DEFINE(VGIC_V2_CPU_APR,	offsetof(struct vgic_cpu, vgic_v2.vgic_apr));
142   DEFINE(VGIC_V2_CPU_LR,	offsetof(struct vgic_cpu, vgic_v2.vgic_lr));
143   DEFINE(VGIC_V3_CPU_HCR,	offsetof(struct vgic_cpu, vgic_v3.vgic_hcr));
144   DEFINE(VGIC_V3_CPU_VMCR,	offsetof(struct vgic_cpu, vgic_v3.vgic_vmcr));
145   DEFINE(VGIC_V3_CPU_MISR,	offsetof(struct vgic_cpu, vgic_v3.vgic_misr));
146   DEFINE(VGIC_V3_CPU_EISR,	offsetof(struct vgic_cpu, vgic_v3.vgic_eisr));
147   DEFINE(VGIC_V3_CPU_ELRSR,	offsetof(struct vgic_cpu, vgic_v3.vgic_elrsr));
148   DEFINE(VGIC_V3_CPU_AP0R,	offsetof(struct vgic_cpu, vgic_v3.vgic_ap0r));
149   DEFINE(VGIC_V3_CPU_AP1R,	offsetof(struct vgic_cpu, vgic_v3.vgic_ap1r));
150   DEFINE(VGIC_V3_CPU_LR,	offsetof(struct vgic_cpu, vgic_v3.vgic_lr));
151   DEFINE(VGIC_CPU_NR_LR,	offsetof(struct vgic_cpu, nr_lr));
152   DEFINE(KVM_VTTBR,		offsetof(struct kvm, arch.vttbr));
153   DEFINE(KVM_VGIC_VCTRL,	offsetof(struct kvm, arch.vgic.vctrl_base));
154 #endif
155 #ifdef CONFIG_ARM64_CPU_SUSPEND
156   DEFINE(CPU_SUSPEND_SZ,	sizeof(struct cpu_suspend_ctx));
157   DEFINE(CPU_CTX_SP,		offsetof(struct cpu_suspend_ctx, sp));
158   DEFINE(MPIDR_HASH_MASK,	offsetof(struct mpidr_hash, mask));
159   DEFINE(MPIDR_HASH_SHIFTS,	offsetof(struct mpidr_hash, shift_aff));
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
164   return 0;
165 }
166