2 * This program is used to generate definitions needed by
3 * assembly language modules.
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.
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.
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/ptrace.h>
24 #include <linux/suspend.h>
25 #include <linux/mman.h>
27 #include <linux/time.h>
28 #include <linux/hardirq.h>
31 #include <asm/pgtable.h>
32 #include <asm/processor.h>
34 #include <asm/cputable.h>
35 #include <asm/thread_info.h>
38 #include <asm/lppaca.h>
39 #include <asm/iSeries/HvLpEvent.h>
41 #include <asm/cache.h>
42 #include <asm/systemcfg.h>
43 #include <asm/compat.h>
46 #define DEFINE(sym, val) \
47 asm volatile("\n->" #sym " %0 " #val : : "i" (val))
49 #define BLANK() asm volatile("\n->" : : )
53 /* thread struct on stack */
54 DEFINE(TI_FLAGS
, offsetof(struct thread_info
, flags
));
55 DEFINE(TI_PREEMPT
, offsetof(struct thread_info
, preempt_count
));
56 DEFINE(TI_CPU
, offsetof(struct thread_info
, cpu
));
58 DEFINE(TI_LOCAL_FLAGS
, offsetof(struct thread_info
, local_flags
));
61 DEFINE(TI_SC_NOERR
, offsetof(struct thread_info
, syscall_noerror
));
62 DEFINE(THREAD_SHIFT
, THREAD_SHIFT
);
64 DEFINE(THREAD_SIZE
, THREAD_SIZE
);
66 /* task_struct->thread */
67 DEFINE(THREAD
, offsetof(struct task_struct
, thread
));
68 DEFINE(THREAD_INFO
, offsetof(struct task_struct
, thread_info
));
69 DEFINE(MM
, offsetof(struct task_struct
, mm
));
70 DEFINE(PTRACE
, offsetof(struct task_struct
, ptrace
));
71 DEFINE(KSP
, offsetof(struct thread_struct
, ksp
));
72 DEFINE(PGDIR
, offsetof(struct thread_struct
, pgdir
));
73 DEFINE(LAST_SYSCALL
, offsetof(struct thread_struct
, last_syscall
));
74 DEFINE(PT_REGS
, offsetof(struct thread_struct
, regs
));
75 DEFINE(THREAD_FPEXC_MODE
, offsetof(struct thread_struct
, fpexc_mode
));
76 DEFINE(THREAD_FPR0
, offsetof(struct thread_struct
, fpr
[0]));
77 DEFINE(THREAD_FPSCR
, offsetof(struct thread_struct
, fpscr
));
78 #if defined(CONFIG_4xx) || defined(CONFIG_BOOKE)
79 DEFINE(THREAD_DBCR0
, offsetof(struct thread_struct
, dbcr0
));
80 DEFINE(PT_PTRACED
, PT_PTRACED
);
83 DEFINE(KSP_VSID
, offsetof(struct thread_struct
, ksp_vsid
));
87 DEFINE(THREAD_VR0
, offsetof(struct thread_struct
, vr
[0]));
88 DEFINE(THREAD_VRSAVE
, offsetof(struct thread_struct
, vrsave
));
89 DEFINE(THREAD_VSCR
, offsetof(struct thread_struct
, vscr
));
90 DEFINE(THREAD_USED_VR
, offsetof(struct thread_struct
, used_vr
));
91 #endif /* CONFIG_ALTIVEC */
93 DEFINE(THREAD_EVR0
, offsetof(struct thread_struct
, evr
[0]));
94 DEFINE(THREAD_ACC
, offsetof(struct thread_struct
, acc
));
95 DEFINE(THREAD_SPEFSCR
, offsetof(struct thread_struct
, spefscr
));
96 DEFINE(THREAD_USED_SPE
, offsetof(struct thread_struct
, used_spe
));
97 #endif /* CONFIG_SPE */
98 /* Interrupt register frame */
99 DEFINE(STACK_FRAME_OVERHEAD
, STACK_FRAME_OVERHEAD
);
101 DEFINE(INT_FRAME_SIZE
, STACK_FRAME_OVERHEAD
+ sizeof(struct pt_regs
));
103 DEFINE(SWITCH_FRAME_SIZE
, STACK_FRAME_OVERHEAD
+ sizeof(struct pt_regs
));
105 /* 288 = # of volatile regs, int & fp, for leaf routines */
106 /* which do not stack a frame. See the PPC64 ABI. */
107 DEFINE(INT_FRAME_SIZE
, STACK_FRAME_OVERHEAD
+ sizeof(struct pt_regs
) + 288);
109 /* in fact we only use gpr0 - gpr9 and gpr20 - gpr23 */
110 DEFINE(GPR0
, STACK_FRAME_OVERHEAD
+offsetof(struct pt_regs
, gpr
[0]));
111 DEFINE(GPR1
, STACK_FRAME_OVERHEAD
+offsetof(struct pt_regs
, gpr
[1]));
112 DEFINE(GPR2
, STACK_FRAME_OVERHEAD
+offsetof(struct pt_regs
, gpr
[2]));
113 DEFINE(GPR3
, STACK_FRAME_OVERHEAD
+offsetof(struct pt_regs
, gpr
[3]));
114 DEFINE(GPR4
, STACK_FRAME_OVERHEAD
+offsetof(struct pt_regs
, gpr
[4]));
115 DEFINE(GPR5
, STACK_FRAME_OVERHEAD
+offsetof(struct pt_regs
, gpr
[5]));
116 DEFINE(GPR6
, STACK_FRAME_OVERHEAD
+offsetof(struct pt_regs
, gpr
[6]));
117 DEFINE(GPR7
, STACK_FRAME_OVERHEAD
+offsetof(struct pt_regs
, gpr
[7]));
118 DEFINE(GPR8
, STACK_FRAME_OVERHEAD
+offsetof(struct pt_regs
, gpr
[8]));
119 DEFINE(GPR9
, STACK_FRAME_OVERHEAD
+offsetof(struct pt_regs
, gpr
[9]));
120 DEFINE(GPR10
, STACK_FRAME_OVERHEAD
+offsetof(struct pt_regs
, gpr
[10]));
121 DEFINE(GPR11
, STACK_FRAME_OVERHEAD
+offsetof(struct pt_regs
, gpr
[11]));
122 DEFINE(GPR12
, STACK_FRAME_OVERHEAD
+offsetof(struct pt_regs
, gpr
[12]));
123 DEFINE(GPR13
, STACK_FRAME_OVERHEAD
+offsetof(struct pt_regs
, gpr
[13]));
124 DEFINE(GPR14
, STACK_FRAME_OVERHEAD
+offsetof(struct pt_regs
, gpr
[14]));
125 DEFINE(GPR15
, STACK_FRAME_OVERHEAD
+offsetof(struct pt_regs
, gpr
[15]));
126 DEFINE(GPR16
, STACK_FRAME_OVERHEAD
+offsetof(struct pt_regs
, gpr
[16]));
127 DEFINE(GPR17
, STACK_FRAME_OVERHEAD
+offsetof(struct pt_regs
, gpr
[17]));
128 DEFINE(GPR18
, STACK_FRAME_OVERHEAD
+offsetof(struct pt_regs
, gpr
[18]));
129 DEFINE(GPR19
, STACK_FRAME_OVERHEAD
+offsetof(struct pt_regs
, gpr
[19]));
130 DEFINE(GPR20
, STACK_FRAME_OVERHEAD
+offsetof(struct pt_regs
, gpr
[20]));
131 DEFINE(GPR21
, STACK_FRAME_OVERHEAD
+offsetof(struct pt_regs
, gpr
[21]));
132 DEFINE(GPR22
, STACK_FRAME_OVERHEAD
+offsetof(struct pt_regs
, gpr
[22]));
133 DEFINE(GPR23
, STACK_FRAME_OVERHEAD
+offsetof(struct pt_regs
, gpr
[23]));
134 DEFINE(GPR24
, STACK_FRAME_OVERHEAD
+offsetof(struct pt_regs
, gpr
[24]));
135 DEFINE(GPR25
, STACK_FRAME_OVERHEAD
+offsetof(struct pt_regs
, gpr
[25]));
136 DEFINE(GPR26
, STACK_FRAME_OVERHEAD
+offsetof(struct pt_regs
, gpr
[26]));
137 DEFINE(GPR27
, STACK_FRAME_OVERHEAD
+offsetof(struct pt_regs
, gpr
[27]));
138 DEFINE(GPR28
, STACK_FRAME_OVERHEAD
+offsetof(struct pt_regs
, gpr
[28]));
139 DEFINE(GPR29
, STACK_FRAME_OVERHEAD
+offsetof(struct pt_regs
, gpr
[29]));
140 DEFINE(GPR30
, STACK_FRAME_OVERHEAD
+offsetof(struct pt_regs
, gpr
[30]));
141 DEFINE(GPR31
, STACK_FRAME_OVERHEAD
+offsetof(struct pt_regs
, gpr
[31]));
143 * Note: these symbols include _ because they overlap with special
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(_MQ
, STACK_FRAME_OVERHEAD
+offsetof(struct pt_regs
, mq
));
152 DEFINE(_XER
, STACK_FRAME_OVERHEAD
+offsetof(struct pt_regs
, xer
));
153 DEFINE(_DAR
, STACK_FRAME_OVERHEAD
+offsetof(struct pt_regs
, dar
));
154 DEFINE(_DSISR
, STACK_FRAME_OVERHEAD
+offsetof(struct pt_regs
, dsisr
));
155 /* The PowerPC 400-class & Book-E processors have neither the DAR nor the DSISR
156 * SPRs. Hence, we overload them to hold the similar DEAR and ESR SPRs
157 * for such processors. For critical interrupts we use them to
158 * hold SRR0 and SRR1.
160 DEFINE(_DEAR
, STACK_FRAME_OVERHEAD
+offsetof(struct pt_regs
, dar
));
161 DEFINE(_ESR
, STACK_FRAME_OVERHEAD
+offsetof(struct pt_regs
, dsisr
));
162 DEFINE(ORIG_GPR3
, STACK_FRAME_OVERHEAD
+offsetof(struct pt_regs
, orig_gpr3
));
163 DEFINE(RESULT
, STACK_FRAME_OVERHEAD
+offsetof(struct pt_regs
, result
));
164 DEFINE(TRAP
, STACK_FRAME_OVERHEAD
+offsetof(struct pt_regs
, trap
));
165 DEFINE(CLONE_VM
, CLONE_VM
);
166 DEFINE(CLONE_UNTRACED
, CLONE_UNTRACED
);
167 DEFINE(MM_PGD
, offsetof(struct mm_struct
, pgd
));
169 /* About the CPU features table */
170 DEFINE(CPU_SPEC_ENTRY_SIZE
, sizeof(struct cpu_spec
));
171 DEFINE(CPU_SPEC_PVR_MASK
, offsetof(struct cpu_spec
, pvr_mask
));
172 DEFINE(CPU_SPEC_PVR_VALUE
, offsetof(struct cpu_spec
, pvr_value
));
173 DEFINE(CPU_SPEC_FEATURES
, offsetof(struct cpu_spec
, cpu_features
));
174 DEFINE(CPU_SPEC_SETUP
, offsetof(struct cpu_spec
, cpu_setup
));
177 DEFINE(MM
, offsetof(struct task_struct
, mm
));
178 DEFINE(AUDITCONTEXT
, offsetof(struct task_struct
, audit_context
));
180 DEFINE(DCACHEL1LINESIZE
, offsetof(struct ppc64_caches
, dline_size
));
181 DEFINE(DCACHEL1LOGLINESIZE
, offsetof(struct ppc64_caches
, log_dline_size
));
182 DEFINE(DCACHEL1LINESPERPAGE
, offsetof(struct ppc64_caches
, dlines_per_page
));
183 DEFINE(ICACHEL1LINESIZE
, offsetof(struct ppc64_caches
, iline_size
));
184 DEFINE(ICACHEL1LOGLINESIZE
, offsetof(struct ppc64_caches
, log_iline_size
));
185 DEFINE(ICACHEL1LINESPERPAGE
, offsetof(struct ppc64_caches
, ilines_per_page
));
186 DEFINE(PLATFORM
, offsetof(struct systemcfg
, platform
));
189 DEFINE(PACA_SIZE
, sizeof(struct paca_struct
));
190 DEFINE(PACAPACAINDEX
, offsetof(struct paca_struct
, paca_index
));
191 DEFINE(PACAPROCSTART
, offsetof(struct paca_struct
, cpu_start
));
192 DEFINE(PACAKSAVE
, offsetof(struct paca_struct
, kstack
));
193 DEFINE(PACACURRENT
, offsetof(struct paca_struct
, __current
));
194 DEFINE(PACASAVEDMSR
, offsetof(struct paca_struct
, saved_msr
));
195 DEFINE(PACASTABREAL
, offsetof(struct paca_struct
, stab_real
));
196 DEFINE(PACASTABVIRT
, offsetof(struct paca_struct
, stab_addr
));
197 DEFINE(PACASTABRR
, offsetof(struct paca_struct
, stab_rr
));
198 DEFINE(PACAR1
, offsetof(struct paca_struct
, saved_r1
));
199 DEFINE(PACATOC
, offsetof(struct paca_struct
, kernel_toc
));
200 DEFINE(PACAPROCENABLED
, offsetof(struct paca_struct
, proc_enabled
));
201 DEFINE(PACASLBCACHE
, offsetof(struct paca_struct
, slb_cache
));
202 DEFINE(PACASLBCACHEPTR
, offsetof(struct paca_struct
, slb_cache_ptr
));
203 DEFINE(PACACONTEXTID
, offsetof(struct paca_struct
, context
.id
));
204 #ifdef CONFIG_HUGETLB_PAGE
205 DEFINE(PACALOWHTLBAREAS
, offsetof(struct paca_struct
, context
.low_htlb_areas
));
206 DEFINE(PACAHIGHHTLBAREAS
, offsetof(struct paca_struct
, context
.high_htlb_areas
));
207 #endif /* CONFIG_HUGETLB_PAGE */
208 DEFINE(PACADEFAULTDECR
, offsetof(struct paca_struct
, default_decr
));
209 DEFINE(PACA_EXGEN
, offsetof(struct paca_struct
, exgen
));
210 DEFINE(PACA_EXMC
, offsetof(struct paca_struct
, exmc
));
211 DEFINE(PACA_EXSLB
, offsetof(struct paca_struct
, exslb
));
212 DEFINE(PACA_EXDSI
, offsetof(struct paca_struct
, exdsi
));
213 DEFINE(PACAEMERGSP
, offsetof(struct paca_struct
, emergency_sp
));
214 DEFINE(PACALPPACA
, offsetof(struct paca_struct
, lppaca
));
215 DEFINE(PACAHWCPUID
, offsetof(struct paca_struct
, hw_cpu_id
));
216 DEFINE(LPPACASRR0
, offsetof(struct lppaca
, saved_srr0
));
217 DEFINE(LPPACASRR1
, offsetof(struct lppaca
, saved_srr1
));
218 DEFINE(LPPACAANYINT
, offsetof(struct lppaca
, int_dword
.any_int
));
219 DEFINE(LPPACADECRINT
, offsetof(struct lppaca
, int_dword
.fields
.decr_int
));
222 DEFINE(RTASBASE
, offsetof(struct rtas_t
, base
));
223 DEFINE(RTASENTRY
, offsetof(struct rtas_t
, entry
));
225 DEFINE(_TRAP
, STACK_FRAME_OVERHEAD
+offsetof(struct pt_regs
, trap
));
226 DEFINE(SOFTE
, STACK_FRAME_OVERHEAD
+offsetof(struct pt_regs
, softe
));
228 /* Create extra stack space for SRR0 and SRR1 when calling prom/rtas. */
229 DEFINE(PROM_FRAME_SIZE
, STACK_FRAME_OVERHEAD
+ sizeof(struct pt_regs
) + 16);
230 DEFINE(RTAS_FRAME_SIZE
, STACK_FRAME_OVERHEAD
+ sizeof(struct pt_regs
) + 16);
232 /* These _only_ to be used with {PROM,RTAS}_FRAME_SIZE!!! */
233 DEFINE(_SRR0
, STACK_FRAME_OVERHEAD
+sizeof(struct pt_regs
));
234 DEFINE(_SRR1
, STACK_FRAME_OVERHEAD
+sizeof(struct pt_regs
)+8);
236 /* systemcfg offsets for use by vdso */
237 DEFINE(CFG_TB_ORIG_STAMP
, offsetof(struct systemcfg
, tb_orig_stamp
));
238 DEFINE(CFG_TB_TICKS_PER_SEC
, offsetof(struct systemcfg
, tb_ticks_per_sec
));
239 DEFINE(CFG_TB_TO_XS
, offsetof(struct systemcfg
, tb_to_xs
));
240 DEFINE(CFG_STAMP_XSEC
, offsetof(struct systemcfg
, stamp_xsec
));
241 DEFINE(CFG_TB_UPDATE_COUNT
, offsetof(struct systemcfg
, tb_update_count
));
242 DEFINE(CFG_TZ_MINUTEWEST
, offsetof(struct systemcfg
, tz_minuteswest
));
243 DEFINE(CFG_TZ_DSTTIME
, offsetof(struct systemcfg
, tz_dsttime
));
244 DEFINE(CFG_SYSCALL_MAP32
, offsetof(struct systemcfg
, syscall_map_32
));
245 DEFINE(CFG_SYSCALL_MAP64
, offsetof(struct systemcfg
, syscall_map_64
));
247 /* timeval/timezone offsets for use by vdso */
248 DEFINE(TVAL64_TV_SEC
, offsetof(struct timeval
, tv_sec
));
249 DEFINE(TVAL64_TV_USEC
, offsetof(struct timeval
, tv_usec
));
250 DEFINE(TVAL32_TV_SEC
, offsetof(struct compat_timeval
, tv_sec
));
251 DEFINE(TVAL32_TV_USEC
, offsetof(struct compat_timeval
, tv_usec
));
252 DEFINE(TZONE_TZ_MINWEST
, offsetof(struct timezone
, tz_minuteswest
));
253 DEFINE(TZONE_TZ_DSTTIME
, offsetof(struct timezone
, tz_dsttime
));
256 DEFINE(pbe_address
, offsetof(struct pbe
, address
));
257 DEFINE(pbe_orig_address
, offsetof(struct pbe
, orig_address
));
258 DEFINE(pbe_next
, offsetof(struct pbe
, next
));
260 DEFINE(NUM_USER_SEGMENTS
, TASK_SIZE
>>28);
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