source: src/linux/universal/linux-4.9/arch/mips/kernel/asm-offsets.c @ 31574

Last change on this file since 31574 was 31574, checked in by brainslayer, 3 months ago

kernel 4.9 update

File size: 13.1 KB
Line 
1/*
2 * asm-offsets.c: Calculate pt_regs and task_struct offsets.
3 *
4 * Copyright (C) 1996 David S. Miller
5 * Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002, 2003 Ralf Baechle
6 * Copyright (C) 1999, 2000 Silicon Graphics, Inc.
7 *
8 * Kevin Kissell, kevink@mips.com and Carsten Langgaard, carstenl@mips.com
9 * Copyright (C) 2000 MIPS Technologies, Inc.
10 */
11#include <linux/compat.h>
12#include <linux/types.h>
13#include <linux/sched.h>
14#include <linux/mm.h>
15#include <linux/kbuild.h>
16#include <linux/suspend.h>
17#include <asm/cpu-info.h>
18#include <asm/pm.h>
19#include <asm/ptrace.h>
20#include <asm/processor.h>
21#include <asm/smp-cps.h>
22
23#include <linux/kvm_host.h>
24
25void output_ptreg_defines(void)
26{
27        COMMENT("MIPS pt_regs offsets.");
28        OFFSET(PT_R0, pt_regs, regs[0]);
29        OFFSET(PT_R1, pt_regs, regs[1]);
30        OFFSET(PT_R2, pt_regs, regs[2]);
31        OFFSET(PT_R3, pt_regs, regs[3]);
32        OFFSET(PT_R4, pt_regs, regs[4]);
33        OFFSET(PT_R5, pt_regs, regs[5]);
34        OFFSET(PT_R6, pt_regs, regs[6]);
35        OFFSET(PT_R7, pt_regs, regs[7]);
36        OFFSET(PT_R8, pt_regs, regs[8]);
37        OFFSET(PT_R9, pt_regs, regs[9]);
38        OFFSET(PT_R10, pt_regs, regs[10]);
39        OFFSET(PT_R11, pt_regs, regs[11]);
40        OFFSET(PT_R12, pt_regs, regs[12]);
41        OFFSET(PT_R13, pt_regs, regs[13]);
42        OFFSET(PT_R14, pt_regs, regs[14]);
43        OFFSET(PT_R15, pt_regs, regs[15]);
44        OFFSET(PT_R16, pt_regs, regs[16]);
45        OFFSET(PT_R17, pt_regs, regs[17]);
46        OFFSET(PT_R18, pt_regs, regs[18]);
47        OFFSET(PT_R19, pt_regs, regs[19]);
48        OFFSET(PT_R20, pt_regs, regs[20]);
49        OFFSET(PT_R21, pt_regs, regs[21]);
50        OFFSET(PT_R22, pt_regs, regs[22]);
51        OFFSET(PT_R23, pt_regs, regs[23]);
52        OFFSET(PT_R24, pt_regs, regs[24]);
53        OFFSET(PT_R25, pt_regs, regs[25]);
54        OFFSET(PT_R26, pt_regs, regs[26]);
55        OFFSET(PT_R27, pt_regs, regs[27]);
56        OFFSET(PT_R28, pt_regs, regs[28]);
57        OFFSET(PT_R29, pt_regs, regs[29]);
58        OFFSET(PT_R30, pt_regs, regs[30]);
59        OFFSET(PT_R31, pt_regs, regs[31]);
60        OFFSET(PT_LO, pt_regs, lo);
61        OFFSET(PT_HI, pt_regs, hi);
62#ifdef CONFIG_CPU_HAS_SMARTMIPS
63        OFFSET(PT_ACX, pt_regs, acx);
64#endif
65        OFFSET(PT_EPC, pt_regs, cp0_epc);
66        OFFSET(PT_BVADDR, pt_regs, cp0_badvaddr);
67        OFFSET(PT_STATUS, pt_regs, cp0_status);
68        OFFSET(PT_CAUSE, pt_regs, cp0_cause);
69#ifdef CONFIG_CPU_CAVIUM_OCTEON
70        OFFSET(PT_MPL, pt_regs, mpl);
71        OFFSET(PT_MTP, pt_regs, mtp);
72#endif /* CONFIG_CPU_CAVIUM_OCTEON */
73        DEFINE(PT_SIZE, sizeof(struct pt_regs));
74        BLANK();
75}
76
77void output_task_defines(void)
78{
79        COMMENT("MIPS task_struct offsets.");
80        OFFSET(TASK_STATE, task_struct, state);
81        OFFSET(TASK_THREAD_INFO, task_struct, stack);
82        OFFSET(TASK_FLAGS, task_struct, flags);
83        OFFSET(TASK_MM, task_struct, mm);
84        OFFSET(TASK_PID, task_struct, pid);
85#if defined(CONFIG_CC_STACKPROTECTOR)
86        OFFSET(TASK_STACK_CANARY, task_struct, stack_canary);
87#endif
88        DEFINE(TASK_STRUCT_SIZE, sizeof(struct task_struct));
89        BLANK();
90}
91
92void output_thread_info_defines(void)
93{
94        COMMENT("MIPS thread_info offsets.");
95        OFFSET(TI_TASK, thread_info, task);
96        OFFSET(TI_FLAGS, thread_info, flags);
97        OFFSET(TI_TP_VALUE, thread_info, tp_value);
98        OFFSET(TI_CPU, thread_info, cpu);
99        OFFSET(TI_PRE_COUNT, thread_info, preempt_count);
100        OFFSET(TI_R2_EMUL_RET, thread_info, r2_emul_return);
101        OFFSET(TI_ADDR_LIMIT, thread_info, addr_limit);
102        OFFSET(TI_REGS, thread_info, regs);
103        DEFINE(_THREAD_SIZE, THREAD_SIZE);
104        DEFINE(_THREAD_MASK, THREAD_MASK);
105        BLANK();
106}
107
108void output_thread_defines(void)
109{
110        COMMENT("MIPS specific thread_struct offsets.");
111        OFFSET(THREAD_REG16, task_struct, thread.reg16);
112        OFFSET(THREAD_REG17, task_struct, thread.reg17);
113        OFFSET(THREAD_REG18, task_struct, thread.reg18);
114        OFFSET(THREAD_REG19, task_struct, thread.reg19);
115        OFFSET(THREAD_REG20, task_struct, thread.reg20);
116        OFFSET(THREAD_REG21, task_struct, thread.reg21);
117        OFFSET(THREAD_REG22, task_struct, thread.reg22);
118        OFFSET(THREAD_REG23, task_struct, thread.reg23);
119        OFFSET(THREAD_REG29, task_struct, thread.reg29);
120        OFFSET(THREAD_REG30, task_struct, thread.reg30);
121        OFFSET(THREAD_REG31, task_struct, thread.reg31);
122        OFFSET(THREAD_STATUS, task_struct,
123               thread.cp0_status);
124        OFFSET(THREAD_FPU, task_struct, thread.fpu);
125
126        OFFSET(THREAD_BVADDR, task_struct, \
127               thread.cp0_badvaddr);
128        OFFSET(THREAD_BUADDR, task_struct, \
129               thread.cp0_baduaddr);
130        OFFSET(THREAD_ECODE, task_struct, \
131               thread.error_code);
132        OFFSET(THREAD_TRAPNO, task_struct, thread.trap_nr);
133        BLANK();
134}
135
136void output_thread_fpu_defines(void)
137{
138        OFFSET(THREAD_FPR0, task_struct, thread.fpu.fpr[0]);
139        OFFSET(THREAD_FPR1, task_struct, thread.fpu.fpr[1]);
140        OFFSET(THREAD_FPR2, task_struct, thread.fpu.fpr[2]);
141        OFFSET(THREAD_FPR3, task_struct, thread.fpu.fpr[3]);
142        OFFSET(THREAD_FPR4, task_struct, thread.fpu.fpr[4]);
143        OFFSET(THREAD_FPR5, task_struct, thread.fpu.fpr[5]);
144        OFFSET(THREAD_FPR6, task_struct, thread.fpu.fpr[6]);
145        OFFSET(THREAD_FPR7, task_struct, thread.fpu.fpr[7]);
146        OFFSET(THREAD_FPR8, task_struct, thread.fpu.fpr[8]);
147        OFFSET(THREAD_FPR9, task_struct, thread.fpu.fpr[9]);
148        OFFSET(THREAD_FPR10, task_struct, thread.fpu.fpr[10]);
149        OFFSET(THREAD_FPR11, task_struct, thread.fpu.fpr[11]);
150        OFFSET(THREAD_FPR12, task_struct, thread.fpu.fpr[12]);
151        OFFSET(THREAD_FPR13, task_struct, thread.fpu.fpr[13]);
152        OFFSET(THREAD_FPR14, task_struct, thread.fpu.fpr[14]);
153        OFFSET(THREAD_FPR15, task_struct, thread.fpu.fpr[15]);
154        OFFSET(THREAD_FPR16, task_struct, thread.fpu.fpr[16]);
155        OFFSET(THREAD_FPR17, task_struct, thread.fpu.fpr[17]);
156        OFFSET(THREAD_FPR18, task_struct, thread.fpu.fpr[18]);
157        OFFSET(THREAD_FPR19, task_struct, thread.fpu.fpr[19]);
158        OFFSET(THREAD_FPR20, task_struct, thread.fpu.fpr[20]);
159        OFFSET(THREAD_FPR21, task_struct, thread.fpu.fpr[21]);
160        OFFSET(THREAD_FPR22, task_struct, thread.fpu.fpr[22]);
161        OFFSET(THREAD_FPR23, task_struct, thread.fpu.fpr[23]);
162        OFFSET(THREAD_FPR24, task_struct, thread.fpu.fpr[24]);
163        OFFSET(THREAD_FPR25, task_struct, thread.fpu.fpr[25]);
164        OFFSET(THREAD_FPR26, task_struct, thread.fpu.fpr[26]);
165        OFFSET(THREAD_FPR27, task_struct, thread.fpu.fpr[27]);
166        OFFSET(THREAD_FPR28, task_struct, thread.fpu.fpr[28]);
167        OFFSET(THREAD_FPR29, task_struct, thread.fpu.fpr[29]);
168        OFFSET(THREAD_FPR30, task_struct, thread.fpu.fpr[30]);
169        OFFSET(THREAD_FPR31, task_struct, thread.fpu.fpr[31]);
170
171        OFFSET(THREAD_FCR31, task_struct, thread.fpu.fcr31);
172        OFFSET(THREAD_MSA_CSR, task_struct, thread.fpu.msacsr);
173        BLANK();
174}
175
176void output_mm_defines(void)
177{
178        COMMENT("Size of struct page");
179        DEFINE(STRUCT_PAGE_SIZE, sizeof(struct page));
180        BLANK();
181        COMMENT("Linux mm_struct offsets.");
182        OFFSET(MM_USERS, mm_struct, mm_users);
183        OFFSET(MM_PGD, mm_struct, pgd);
184        OFFSET(MM_CONTEXT, mm_struct, context);
185        BLANK();
186        DEFINE(_PGD_T_SIZE, sizeof(pgd_t));
187        DEFINE(_PMD_T_SIZE, sizeof(pmd_t));
188        DEFINE(_PTE_T_SIZE, sizeof(pte_t));
189        BLANK();
190        DEFINE(_PGD_T_LOG2, PGD_T_LOG2);
191#ifndef __PAGETABLE_PMD_FOLDED
192        DEFINE(_PMD_T_LOG2, PMD_T_LOG2);
193#endif
194        DEFINE(_PTE_T_LOG2, PTE_T_LOG2);
195        BLANK();
196        DEFINE(_PGD_ORDER, PGD_ORDER);
197#ifndef __PAGETABLE_PMD_FOLDED
198        DEFINE(_PMD_ORDER, PMD_ORDER);
199#endif
200        DEFINE(_PTE_ORDER, PTE_ORDER);
201        BLANK();
202        DEFINE(_PMD_SHIFT, PMD_SHIFT);
203        DEFINE(_PGDIR_SHIFT, PGDIR_SHIFT);
204        BLANK();
205        DEFINE(_PTRS_PER_PGD, PTRS_PER_PGD);
206        DEFINE(_PTRS_PER_PMD, PTRS_PER_PMD);
207        DEFINE(_PTRS_PER_PTE, PTRS_PER_PTE);
208        BLANK();
209        DEFINE(_PAGE_SHIFT, PAGE_SHIFT);
210        DEFINE(_PAGE_SIZE, PAGE_SIZE);
211        BLANK();
212}
213
214#ifdef CONFIG_32BIT
215void output_sc_defines(void)
216{
217        COMMENT("Linux sigcontext offsets.");
218        OFFSET(SC_REGS, sigcontext, sc_regs);
219        OFFSET(SC_FPREGS, sigcontext, sc_fpregs);
220        OFFSET(SC_ACX, sigcontext, sc_acx);
221        OFFSET(SC_MDHI, sigcontext, sc_mdhi);
222        OFFSET(SC_MDLO, sigcontext, sc_mdlo);
223        OFFSET(SC_PC, sigcontext, sc_pc);
224        OFFSET(SC_FPC_CSR, sigcontext, sc_fpc_csr);
225        OFFSET(SC_FPC_EIR, sigcontext, sc_fpc_eir);
226        OFFSET(SC_HI1, sigcontext, sc_hi1);
227        OFFSET(SC_LO1, sigcontext, sc_lo1);
228        OFFSET(SC_HI2, sigcontext, sc_hi2);
229        OFFSET(SC_LO2, sigcontext, sc_lo2);
230        OFFSET(SC_HI3, sigcontext, sc_hi3);
231        OFFSET(SC_LO3, sigcontext, sc_lo3);
232        BLANK();
233}
234#endif
235
236#ifdef CONFIG_64BIT
237void output_sc_defines(void)
238{
239        COMMENT("Linux sigcontext offsets.");
240        OFFSET(SC_REGS, sigcontext, sc_regs);
241        OFFSET(SC_FPREGS, sigcontext, sc_fpregs);
242        OFFSET(SC_MDHI, sigcontext, sc_mdhi);
243        OFFSET(SC_MDLO, sigcontext, sc_mdlo);
244        OFFSET(SC_PC, sigcontext, sc_pc);
245        OFFSET(SC_FPC_CSR, sigcontext, sc_fpc_csr);
246        BLANK();
247}
248#endif
249
250void output_signal_defined(void)
251{
252        COMMENT("Linux signal numbers.");
253        DEFINE(_SIGHUP, SIGHUP);
254        DEFINE(_SIGINT, SIGINT);
255        DEFINE(_SIGQUIT, SIGQUIT);
256        DEFINE(_SIGILL, SIGILL);
257        DEFINE(_SIGTRAP, SIGTRAP);
258        DEFINE(_SIGIOT, SIGIOT);
259        DEFINE(_SIGABRT, SIGABRT);
260        DEFINE(_SIGEMT, SIGEMT);
261        DEFINE(_SIGFPE, SIGFPE);
262        DEFINE(_SIGKILL, SIGKILL);
263        DEFINE(_SIGBUS, SIGBUS);
264        DEFINE(_SIGSEGV, SIGSEGV);
265        DEFINE(_SIGSYS, SIGSYS);
266        DEFINE(_SIGPIPE, SIGPIPE);
267        DEFINE(_SIGALRM, SIGALRM);
268        DEFINE(_SIGTERM, SIGTERM);
269        DEFINE(_SIGUSR1, SIGUSR1);
270        DEFINE(_SIGUSR2, SIGUSR2);
271        DEFINE(_SIGCHLD, SIGCHLD);
272        DEFINE(_SIGPWR, SIGPWR);
273        DEFINE(_SIGWINCH, SIGWINCH);
274        DEFINE(_SIGURG, SIGURG);
275        DEFINE(_SIGIO, SIGIO);
276        DEFINE(_SIGSTOP, SIGSTOP);
277        DEFINE(_SIGTSTP, SIGTSTP);
278        DEFINE(_SIGCONT, SIGCONT);
279        DEFINE(_SIGTTIN, SIGTTIN);
280        DEFINE(_SIGTTOU, SIGTTOU);
281        DEFINE(_SIGVTALRM, SIGVTALRM);
282        DEFINE(_SIGPROF, SIGPROF);
283        DEFINE(_SIGXCPU, SIGXCPU);
284        DEFINE(_SIGXFSZ, SIGXFSZ);
285        BLANK();
286}
287
288#ifdef CONFIG_CPU_CAVIUM_OCTEON
289void output_octeon_cop2_state_defines(void)
290{
291        COMMENT("Octeon specific octeon_cop2_state offsets.");
292        OFFSET(OCTEON_CP2_CRC_IV,       octeon_cop2_state, cop2_crc_iv);
293        OFFSET(OCTEON_CP2_CRC_LENGTH,   octeon_cop2_state, cop2_crc_length);
294        OFFSET(OCTEON_CP2_CRC_POLY,     octeon_cop2_state, cop2_crc_poly);
295        OFFSET(OCTEON_CP2_LLM_DAT,      octeon_cop2_state, cop2_llm_dat);
296        OFFSET(OCTEON_CP2_3DES_IV,      octeon_cop2_state, cop2_3des_iv);
297        OFFSET(OCTEON_CP2_3DES_KEY,     octeon_cop2_state, cop2_3des_key);
298        OFFSET(OCTEON_CP2_3DES_RESULT,  octeon_cop2_state, cop2_3des_result);
299        OFFSET(OCTEON_CP2_AES_INP0,     octeon_cop2_state, cop2_aes_inp0);
300        OFFSET(OCTEON_CP2_AES_IV,       octeon_cop2_state, cop2_aes_iv);
301        OFFSET(OCTEON_CP2_AES_KEY,      octeon_cop2_state, cop2_aes_key);
302        OFFSET(OCTEON_CP2_AES_KEYLEN,   octeon_cop2_state, cop2_aes_keylen);
303        OFFSET(OCTEON_CP2_AES_RESULT,   octeon_cop2_state, cop2_aes_result);
304        OFFSET(OCTEON_CP2_GFM_MULT,     octeon_cop2_state, cop2_gfm_mult);
305        OFFSET(OCTEON_CP2_GFM_POLY,     octeon_cop2_state, cop2_gfm_poly);
306        OFFSET(OCTEON_CP2_GFM_RESULT,   octeon_cop2_state, cop2_gfm_result);
307        OFFSET(OCTEON_CP2_HSH_DATW,     octeon_cop2_state, cop2_hsh_datw);
308        OFFSET(OCTEON_CP2_HSH_IVW,      octeon_cop2_state, cop2_hsh_ivw);
309        OFFSET(OCTEON_CP2_SHA3,         octeon_cop2_state, cop2_sha3);
310        OFFSET(THREAD_CP2,      task_struct, thread.cp2);
311        OFFSET(THREAD_CVMSEG,   task_struct, thread.cvmseg.cvmseg);
312        BLANK();
313}
314#endif
315
316#ifdef CONFIG_HIBERNATION
317void output_pbe_defines(void)
318{
319        COMMENT(" Linux struct pbe offsets. ");
320        OFFSET(PBE_ADDRESS, pbe, address);
321        OFFSET(PBE_ORIG_ADDRESS, pbe, orig_address);
322        OFFSET(PBE_NEXT, pbe, next);
323        DEFINE(PBE_SIZE, sizeof(struct pbe));
324        BLANK();
325}
326#endif
327
328#ifdef CONFIG_CPU_PM
329void output_pm_defines(void)
330{
331        COMMENT(" PM offsets. ");
332#ifdef CONFIG_EVA
333        OFFSET(SSS_SEGCTL0,     mips_static_suspend_state, segctl[0]);
334        OFFSET(SSS_SEGCTL1,     mips_static_suspend_state, segctl[1]);
335        OFFSET(SSS_SEGCTL2,     mips_static_suspend_state, segctl[2]);
336#endif
337        OFFSET(SSS_SP,          mips_static_suspend_state, sp);
338        BLANK();
339}
340#endif
341
342void output_kvm_defines(void)
343{
344        COMMENT(" KVM/MIPS Specfic offsets. ");
345
346        OFFSET(VCPU_FPR0, kvm_vcpu_arch, fpu.fpr[0]);
347        OFFSET(VCPU_FPR1, kvm_vcpu_arch, fpu.fpr[1]);
348        OFFSET(VCPU_FPR2, kvm_vcpu_arch, fpu.fpr[2]);
349        OFFSET(VCPU_FPR3, kvm_vcpu_arch, fpu.fpr[3]);
350        OFFSET(VCPU_FPR4, kvm_vcpu_arch, fpu.fpr[4]);
351        OFFSET(VCPU_FPR5, kvm_vcpu_arch, fpu.fpr[5]);
352        OFFSET(VCPU_FPR6, kvm_vcpu_arch, fpu.fpr[6]);
353        OFFSET(VCPU_FPR7, kvm_vcpu_arch, fpu.fpr[7]);
354        OFFSET(VCPU_FPR8, kvm_vcpu_arch, fpu.fpr[8]);
355        OFFSET(VCPU_FPR9, kvm_vcpu_arch, fpu.fpr[9]);
356        OFFSET(VCPU_FPR10, kvm_vcpu_arch, fpu.fpr[10]);
357        OFFSET(VCPU_FPR11, kvm_vcpu_arch, fpu.fpr[11]);
358        OFFSET(VCPU_FPR12, kvm_vcpu_arch, fpu.fpr[12]);
359        OFFSET(VCPU_FPR13, kvm_vcpu_arch, fpu.fpr[13]);
360        OFFSET(VCPU_FPR14, kvm_vcpu_arch, fpu.fpr[14]);
361        OFFSET(VCPU_FPR15, kvm_vcpu_arch, fpu.fpr[15]);
362        OFFSET(VCPU_FPR16, kvm_vcpu_arch, fpu.fpr[16]);
363        OFFSET(VCPU_FPR17, kvm_vcpu_arch, fpu.fpr[17]);
364        OFFSET(VCPU_FPR18, kvm_vcpu_arch, fpu.fpr[18]);
365        OFFSET(VCPU_FPR19, kvm_vcpu_arch, fpu.fpr[19]);
366        OFFSET(VCPU_FPR20, kvm_vcpu_arch, fpu.fpr[20]);
367        OFFSET(VCPU_FPR21, kvm_vcpu_arch, fpu.fpr[21]);
368        OFFSET(VCPU_FPR22, kvm_vcpu_arch, fpu.fpr[22]);
369        OFFSET(VCPU_FPR23, kvm_vcpu_arch, fpu.fpr[23]);
370        OFFSET(VCPU_FPR24, kvm_vcpu_arch, fpu.fpr[24]);
371        OFFSET(VCPU_FPR25, kvm_vcpu_arch, fpu.fpr[25]);
372        OFFSET(VCPU_FPR26, kvm_vcpu_arch, fpu.fpr[26]);
373        OFFSET(VCPU_FPR27, kvm_vcpu_arch, fpu.fpr[27]);
374        OFFSET(VCPU_FPR28, kvm_vcpu_arch, fpu.fpr[28]);
375        OFFSET(VCPU_FPR29, kvm_vcpu_arch, fpu.fpr[29]);
376        OFFSET(VCPU_FPR30, kvm_vcpu_arch, fpu.fpr[30]);
377        OFFSET(VCPU_FPR31, kvm_vcpu_arch, fpu.fpr[31]);
378
379        OFFSET(VCPU_FCR31, kvm_vcpu_arch, fpu.fcr31);
380        OFFSET(VCPU_MSA_CSR, kvm_vcpu_arch, fpu.msacsr);
381        BLANK();
382}
383
384#ifdef CONFIG_MIPS_CPS
385void output_cps_defines(void)
386{
387        COMMENT(" MIPS CPS offsets. ");
388
389        OFFSET(COREBOOTCFG_VPEMASK, core_boot_config, vpe_mask);
390        OFFSET(COREBOOTCFG_VPECONFIG, core_boot_config, vpe_config);
391        DEFINE(COREBOOTCFG_SIZE, sizeof(struct core_boot_config));
392
393        OFFSET(VPEBOOTCFG_PC, vpe_boot_config, pc);
394        OFFSET(VPEBOOTCFG_SP, vpe_boot_config, sp);
395        OFFSET(VPEBOOTCFG_GP, vpe_boot_config, gp);
396        DEFINE(VPEBOOTCFG_SIZE, sizeof(struct vpe_boot_config));
397}
398#endif
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