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authorPaul Mackerras <paulus@samba.org>2005-09-26 02:04:21 -0400
committerPaul Mackerras <paulus@samba.org>2005-09-26 02:04:21 -0400
commit14cf11af6cf608eb8c23e989ddb17a715ddce109 (patch)
tree271a97ce73e265f39c569cb159c195c5b4bb3f8c /arch/powerpc/kernel/asm-offsets.c
parente5baa396af7560382d2cf3f0871d616b61fc284c (diff)
powerpc: Merge enough to start building in arch/powerpc.
This creates the directory structure under arch/powerpc and a bunch of Kconfig files. It does a first-cut merge of arch/powerpc/mm, arch/powerpc/lib and arch/powerpc/platforms/powermac. This is enough to build a 32-bit powermac kernel with ARCH=powerpc. For now we are getting some unmerged files from arch/ppc/kernel and arch/ppc/syslib, or arch/ppc64/kernel. This makes some minor changes to files in those directories and files outside arch/powerpc. The boot directory is still not merged. That's going to be interesting. Signed-off-by: Paul Mackerras <paulus@samba.org>
Diffstat (limited to 'arch/powerpc/kernel/asm-offsets.c')
-rw-r--r--arch/powerpc/kernel/asm-offsets.c262
1 files changed, 262 insertions, 0 deletions
diff --git a/arch/powerpc/kernel/asm-offsets.c b/arch/powerpc/kernel/asm-offsets.c
new file mode 100644
index 000000000000..16cf0b7ee2b7
--- /dev/null
+++ b/arch/powerpc/kernel/asm-offsets.c
@@ -0,0 +1,262 @@
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/ptrace.h>
24#include <linux/suspend.h>
25#include <linux/mman.h>
26#include <linux/mm.h>
27#include <linux/time.h>
28#include <linux/hardirq.h>
29#include <asm/io.h>
30#include <asm/page.h>
31#include <asm/pgtable.h>
32#include <asm/processor.h>
33
34#include <asm/cputable.h>
35#include <asm/thread_info.h>
36#ifdef CONFIG_PPC64
37#include <asm/paca.h>
38#include <asm/lppaca.h>
39#include <asm/iSeries/HvLpEvent.h>
40#include <asm/rtas.h>
41#include <asm/cache.h>
42#include <asm/systemcfg.h>
43#include <asm/compat.h>
44#endif
45
46#define DEFINE(sym, val) \
47 asm volatile("\n->" #sym " %0 " #val : : "i" (val))
48
49#define BLANK() asm volatile("\n->" : : )
50
51int main(void)
52{
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));
57#ifdef CONFIG_PPC32
58 DEFINE(TI_LOCAL_FLAGS, offsetof(struct thread_info, local_flags));
59#endif
60#ifdef CONFIG_PPC64
61 DEFINE(TI_SC_NOERR, offsetof(struct thread_info, syscall_noerror));
62 DEFINE(THREAD_SHIFT, THREAD_SHIFT);
63#endif
64 DEFINE(THREAD_SIZE, THREAD_SIZE);
65
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);
81#endif
82#ifdef CONFIG_PPC64
83 DEFINE(KSP_VSID, offsetof(struct thread_struct, ksp_vsid));
84#endif
85
86#ifdef CONFIG_ALTIVEC
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 */
92#ifdef CONFIG_SPE
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);
100#ifndef CONFIG_PPC64
101 DEFINE(INT_FRAME_SIZE, STACK_FRAME_OVERHEAD + sizeof(struct pt_regs));
102#else
103 DEFINE(SWITCH_FRAME_SIZE, STACK_FRAME_OVERHEAD + sizeof(struct pt_regs));
104
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);
108#endif
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]));
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(_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.
159 */
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));
168
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));
175
176#ifdef CONFIG_PPC64
177 DEFINE(MM, offsetof(struct task_struct, mm));
178 DEFINE(AUDITCONTEXT, offsetof(struct task_struct, audit_context));
179
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));
187
188 /* paca */
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));
220
221 /* RTAS */
222 DEFINE(RTASBASE, offsetof(struct rtas_t, base));
223 DEFINE(RTASENTRY, offsetof(struct rtas_t, entry));
224
225 DEFINE(_TRAP, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, trap));
226 DEFINE(SOFTE, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, softe));
227
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);
231
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);
235
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));
246
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));
254#endif
255
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));
259
260 DEFINE(NUM_USER_SEGMENTS, TASK_SIZE>>28);
261 return 0;
262}
generated by cgit v1.2.2 (git 2.25.0) at 2024-11-16 10:42:56 -0500