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LeafOS / LeafOS-Devices / android_kernel_realme_mt6785 / b6016b767397258b58163494a869f8f1199e6897 / . / arch / ppc64 / kernel / asm-offsets.c
blob: 0094ac79a18c68d0935104092554877912292caf [file] [log] [blame]
Linus Torvalds1da177e2005-04-16 15:20:36 -0700[diff] [blame]1/*
2 * This program is used to generate definitions needed by
3 * assembly language modules.
4 *
5 * We use the technique used in the OSF Mach kernel code:
6 * generate asm statements containing #defines,
7 * compile this file to assembler, and then extract the
8 * #defines from the assembly-language output.
9 *
10 * This program is free software; you can redistribute it and/or
11 * modify it under the terms of the GNU General Public License
12 * as published by the Free Software Foundation; either version
13 * 2 of the License, or (at your option) any later version.
14 */
15
16#include <linux/config.h>
17#include <linux/signal.h>
18#include <linux/sched.h>
19#include <linux/kernel.h>
20#include <linux/errno.h>
21#include <linux/string.h>
22#include <linux/types.h>
23#include <linux/mman.h>
24#include <linux/mm.h>
25#include <linux/time.h>
26#include <linux/hardirq.h>
27#include <asm/io.h>
28#include <asm/page.h>
29#include <asm/pgtable.h>
30#include <asm/processor.h>
31
32#include <asm/paca.h>
33#include <asm/lppaca.h>
34#include <asm/iSeries/ItLpQueue.h>
35#include <asm/iSeries/HvLpEvent.h>
36#include <asm/rtas.h>
37#include <asm/cputable.h>
38#include <asm/cache.h>
39#include <asm/systemcfg.h>
40#include <asm/compat.h>
41
42#define DEFINE(sym, val) \
43 asm volatile("\n->" #sym " %0 " #val : : "i" (val))
44
45#define BLANK() asm volatile("\n->" : : )
46
47int main(void)
48{
49 /* thread struct on stack */
50 DEFINE(THREAD_SHIFT, THREAD_SHIFT);
51 DEFINE(THREAD_SIZE, THREAD_SIZE);
52 DEFINE(TI_FLAGS, offsetof(struct thread_info, flags));
53 DEFINE(TI_PREEMPT, offsetof(struct thread_info, preempt_count));
54 DEFINE(TI_SC_NOERR, offsetof(struct thread_info, syscall_noerror));
55
56 /* task_struct->thread */
57 DEFINE(THREAD, offsetof(struct task_struct, thread));
58 DEFINE(PT_REGS, offsetof(struct thread_struct, regs));
59 DEFINE(THREAD_FPEXC_MODE, offsetof(struct thread_struct, fpexc_mode));
60 DEFINE(THREAD_FPR0, offsetof(struct thread_struct, fpr[0]));
61 DEFINE(THREAD_FPSCR, offsetof(struct thread_struct, fpscr));
62 DEFINE(KSP, offsetof(struct thread_struct, ksp));
63 DEFINE(KSP_VSID, offsetof(struct thread_struct, ksp_vsid));
64
65#ifdef CONFIG_ALTIVEC
66 DEFINE(THREAD_VR0, offsetof(struct thread_struct, vr[0]));
67 DEFINE(THREAD_VRSAVE, offsetof(struct thread_struct, vrsave));
68 DEFINE(THREAD_VSCR, offsetof(struct thread_struct, vscr));
69 DEFINE(THREAD_USED_VR, offsetof(struct thread_struct, used_vr));
70#endif /* CONFIG_ALTIVEC */
71 DEFINE(MM, offsetof(struct task_struct, mm));
72
73 DEFINE(DCACHEL1LINESIZE, offsetof(struct ppc64_caches, dline_size));
74 DEFINE(DCACHEL1LOGLINESIZE, offsetof(struct ppc64_caches, log_dline_size));
75 DEFINE(DCACHEL1LINESPERPAGE, offsetof(struct ppc64_caches, dlines_per_page));
76 DEFINE(ICACHEL1LINESIZE, offsetof(struct ppc64_caches, iline_size));
77 DEFINE(ICACHEL1LOGLINESIZE, offsetof(struct ppc64_caches, log_iline_size));
78 DEFINE(ICACHEL1LINESPERPAGE, offsetof(struct ppc64_caches, ilines_per_page));
79 DEFINE(PLATFORM, offsetof(struct systemcfg, platform));
80
81 /* paca */
82 DEFINE(PACA_SIZE, sizeof(struct paca_struct));
83 DEFINE(PACAPACAINDEX, offsetof(struct paca_struct, paca_index));
84 DEFINE(PACAPROCSTART, offsetof(struct paca_struct, cpu_start));
85 DEFINE(PACAKSAVE, offsetof(struct paca_struct, kstack));
86 DEFINE(PACACURRENT, offsetof(struct paca_struct, __current));
87 DEFINE(PACASAVEDMSR, offsetof(struct paca_struct, saved_msr));
88 DEFINE(PACASTABREAL, offsetof(struct paca_struct, stab_real));
89 DEFINE(PACASTABVIRT, offsetof(struct paca_struct, stab_addr));
90 DEFINE(PACASTABRR, offsetof(struct paca_struct, stab_rr));
91 DEFINE(PACAR1, offsetof(struct paca_struct, saved_r1));
92 DEFINE(PACATOC, offsetof(struct paca_struct, kernel_toc));
93 DEFINE(PACAPROCENABLED, offsetof(struct paca_struct, proc_enabled));
94 DEFINE(PACASLBCACHE, offsetof(struct paca_struct, slb_cache));
95 DEFINE(PACASLBCACHEPTR, offsetof(struct paca_struct, slb_cache_ptr));
96 DEFINE(PACACONTEXTID, offsetof(struct paca_struct, context.id));
97#ifdef CONFIG_HUGETLB_PAGE
98 DEFINE(PACAHTLBSEGS, offsetof(struct paca_struct, context.htlb_segs));
99#endif /* CONFIG_HUGETLB_PAGE */
100 DEFINE(PACADEFAULTDECR, offsetof(struct paca_struct, default_decr));
101 DEFINE(PACA_EXGEN, offsetof(struct paca_struct, exgen));
102 DEFINE(PACA_EXMC, offsetof(struct paca_struct, exmc));
103 DEFINE(PACA_EXSLB, offsetof(struct paca_struct, exslb));
104 DEFINE(PACA_EXDSI, offsetof(struct paca_struct, exdsi));
105 DEFINE(PACAEMERGSP, offsetof(struct paca_struct, emergency_sp));
106 DEFINE(PACALPPACA, offsetof(struct paca_struct, lppaca));
107 DEFINE(PACAHWCPUID, offsetof(struct paca_struct, hw_cpu_id));
108 DEFINE(LPPACASRR0, offsetof(struct lppaca, saved_srr0));
109 DEFINE(LPPACASRR1, offsetof(struct lppaca, saved_srr1));
110 DEFINE(LPPACAANYINT, offsetof(struct lppaca, int_dword.any_int));
111 DEFINE(LPPACADECRINT, offsetof(struct lppaca, int_dword.fields.decr_int));
112
113 /* RTAS */
114 DEFINE(RTASBASE, offsetof(struct rtas_t, base));
115 DEFINE(RTASENTRY, offsetof(struct rtas_t, entry));
116
117 /* Interrupt register frame */
118 DEFINE(STACK_FRAME_OVERHEAD, STACK_FRAME_OVERHEAD);
119
120 DEFINE(SWITCH_FRAME_SIZE, STACK_FRAME_OVERHEAD + sizeof(struct pt_regs));
121
122 /* 288 = # of volatile regs, int & fp, for leaf routines */
123 /* which do not stack a frame. See the PPC64 ABI. */
124 DEFINE(INT_FRAME_SIZE, STACK_FRAME_OVERHEAD + sizeof(struct pt_regs) + 288);
125 /* Create extra stack space for SRR0 and SRR1 when calling prom/rtas. */
126 DEFINE(PROM_FRAME_SIZE, STACK_FRAME_OVERHEAD + sizeof(struct pt_regs) + 16);
127 DEFINE(RTAS_FRAME_SIZE, STACK_FRAME_OVERHEAD + sizeof(struct pt_regs) + 16);
128 DEFINE(GPR0, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[0]));
129 DEFINE(GPR1, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[1]));
130 DEFINE(GPR2, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[2]));
131 DEFINE(GPR3, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[3]));
132 DEFINE(GPR4, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[4]));
133 DEFINE(GPR5, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[5]));
134 DEFINE(GPR6, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[6]));
135 DEFINE(GPR7, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[7]));
136 DEFINE(GPR8, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[8]));
137 DEFINE(GPR9, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[9]));
138 DEFINE(GPR10, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[10]));
139 DEFINE(GPR11, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[11]));
140 DEFINE(GPR12, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[12]));
141 DEFINE(GPR13, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[13]));
142 /*
143 * Note: these symbols include _ because they overlap with special
144 * register names
145 */
146 DEFINE(_NIP, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, nip));
147 DEFINE(_MSR, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, msr));
148 DEFINE(_CTR, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, ctr));
149 DEFINE(_LINK, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, link));
150 DEFINE(_CCR, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, ccr));
151 DEFINE(_XER, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, xer));
152 DEFINE(_DAR, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, dar));
153 DEFINE(_DSISR, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, dsisr));
154 DEFINE(ORIG_GPR3, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, orig_gpr3));
155 DEFINE(RESULT, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, result));
156 DEFINE(_TRAP, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, trap));
157 DEFINE(SOFTE, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, softe));
158
159 /* These _only_ to be used with {PROM,RTAS}_FRAME_SIZE!!! */
160 DEFINE(_SRR0, STACK_FRAME_OVERHEAD+sizeof(struct pt_regs));
161 DEFINE(_SRR1, STACK_FRAME_OVERHEAD+sizeof(struct pt_regs)+8);
162
163 DEFINE(CLONE_VM, CLONE_VM);
164 DEFINE(CLONE_UNTRACED, CLONE_UNTRACED);
165
166 /* About the CPU features table */
167 DEFINE(CPU_SPEC_ENTRY_SIZE, sizeof(struct cpu_spec));
168 DEFINE(CPU_SPEC_PVR_MASK, offsetof(struct cpu_spec, pvr_mask));
169 DEFINE(CPU_SPEC_PVR_VALUE, offsetof(struct cpu_spec, pvr_value));
170 DEFINE(CPU_SPEC_FEATURES, offsetof(struct cpu_spec, cpu_features));
171 DEFINE(CPU_SPEC_SETUP, offsetof(struct cpu_spec, cpu_setup));
172
173 /* systemcfg offsets for use by vdso */
174 DEFINE(CFG_TB_ORIG_STAMP, offsetof(struct systemcfg, tb_orig_stamp));
175 DEFINE(CFG_TB_TICKS_PER_SEC, offsetof(struct systemcfg, tb_ticks_per_sec));
176 DEFINE(CFG_TB_TO_XS, offsetof(struct systemcfg, tb_to_xs));
177 DEFINE(CFG_STAMP_XSEC, offsetof(struct systemcfg, stamp_xsec));
178 DEFINE(CFG_TB_UPDATE_COUNT, offsetof(struct systemcfg, tb_update_count));
179 DEFINE(CFG_TZ_MINUTEWEST, offsetof(struct systemcfg, tz_minuteswest));
180 DEFINE(CFG_TZ_DSTTIME, offsetof(struct systemcfg, tz_dsttime));
181 DEFINE(CFG_SYSCALL_MAP32, offsetof(struct systemcfg, syscall_map_32));
182 DEFINE(CFG_SYSCALL_MAP64, offsetof(struct systemcfg, syscall_map_64));
183
184 /* timeval/timezone offsets for use by vdso */
185 DEFINE(TVAL64_TV_SEC, offsetof(struct timeval, tv_sec));
186 DEFINE(TVAL64_TV_USEC, offsetof(struct timeval, tv_usec));
187 DEFINE(TVAL32_TV_SEC, offsetof(struct compat_timeval, tv_sec));
188 DEFINE(TVAL32_TV_USEC, offsetof(struct compat_timeval, tv_usec));
189 DEFINE(TZONE_TZ_MINWEST, offsetof(struct timezone, tz_minuteswest));
190 DEFINE(TZONE_TZ_DSTTIME, offsetof(struct timezone, tz_dsttime));
191
192 return 0;
193}