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2024-09-20 cf4ce59b3b70238352c7f1729f0f7223214828ad 
 kernel/arch/powerpc/kernel/asm-offsets.c
....@@ -1,3 +1,4 @@
1
+// SPDX-License-Identifier: GPL-2.0-or-later
12 /*
23  * This program is used to generate definitions needed by
34  * assembly language modules.
....@@ -6,12 +7,9 @@
67  * generate asm statements containing #defines,
78  * compile this file to assembler, and then extract the
89  * #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.
1410  */
11
+
12
+#define GENERATING_ASM_OFFSETS	/* asm/smp.h */
1513 
1614 #include <linux/compat.h>
1715 #include <linux/signal.h>
....@@ -32,7 +30,6 @@
3230 
3331 #include <asm/io.h>
3432 #include <asm/page.h>
35
-#include <asm/pgtable.h>
3633 #include <asm/processor.h>
3734 #include <asm/cputable.h>
3835 #include <asm/thread_info.h>
....@@ -72,6 +69,10 @@
7269 #include <asm/fixmap.h>
7370 #endif
7471 
72
+#ifdef CONFIG_XMON
73
+#include "../xmon/xmon_bpts.h"
74
+#endif
75
+
7576 #define STACK_PT_REGS_OFFSET(sym, val)	\
7677 	DEFINE(sym, STACK_FRAME_OVERHEAD + offsetof(struct pt_regs, val))
7778 
....@@ -79,16 +80,26 @@
7980 {
8081 	OFFSET(THREAD, task_struct, thread);
8182 	OFFSET(MM, task_struct, mm);
83
+#ifdef CONFIG_STACKPROTECTOR
84
+	OFFSET(TASK_CANARY, task_struct, stack_canary);
85
+#ifdef CONFIG_PPC64
86
+	OFFSET(PACA_CANARY, paca_struct, canary);
87
+#endif
88
+#endif
8289 	OFFSET(MMCONTEXTID, mm_struct, context.id);
8390 #ifdef CONFIG_PPC64
8491 	DEFINE(SIGSEGV, SIGSEGV);
8592 	DEFINE(NMI_MASK, NMI_MASK);
86
-	OFFSET(TASKTHREADPPR, task_struct, thread.ppr);
8793 #else
88
-	OFFSET(THREAD_INFO, task_struct, stack);
89
-	DEFINE(THREAD_INFO_GAP, _ALIGN_UP(sizeof(struct thread_info), 16));
9094 	OFFSET(KSP_LIMIT, thread_struct, ksp_limit);
95
+#ifdef CONFIG_PPC_RTAS
96
+	OFFSET(RTAS_SP, thread_struct, rtas_sp);
97
+#endif
9198 #endif /* CONFIG_PPC64 */
99
+	OFFSET(TASK_STACK, task_struct, stack);
100
+#ifdef CONFIG_SMP
101
+	OFFSET(TASK_CPU, task_struct, cpu);
102
+#endif
92103 
93104 #ifdef CONFIG_LIVEPATCH
94105 	OFFSET(TI_livepatch_sp, thread_info, livepatch_sp);
....@@ -119,6 +130,24 @@
119130 	OFFSET(KSP_VSID, thread_struct, ksp_vsid);
120131 #else /* CONFIG_PPC64 */
121132 	OFFSET(PGDIR, thread_struct, pgdir);
133
+#ifdef CONFIG_VMAP_STACK
134
+	OFFSET(SRR0, thread_struct, srr0);
135
+	OFFSET(SRR1, thread_struct, srr1);
136
+	OFFSET(DAR, thread_struct, dar);
137
+	OFFSET(DSISR, thread_struct, dsisr);
138
+#ifdef CONFIG_PPC_BOOK3S_32
139
+	OFFSET(THR0, thread_struct, r0);
140
+	OFFSET(THR3, thread_struct, r3);
141
+	OFFSET(THR4, thread_struct, r4);
142
+	OFFSET(THR5, thread_struct, r5);
143
+	OFFSET(THR6, thread_struct, r6);
144
+	OFFSET(THR8, thread_struct, r8);
145
+	OFFSET(THR9, thread_struct, r9);
146
+	OFFSET(THR11, thread_struct, r11);
147
+	OFFSET(THLR, thread_struct, lr);
148
+	OFFSET(THCTR, thread_struct, ctr);
149
+#endif
150
+#endif
122151 #ifdef CONFIG_SPE
123152 	OFFSET(THREAD_EVR0, thread_struct, evr[0]);
124153 	OFFSET(THREAD_ACC, thread_struct, acc);
....@@ -135,6 +164,9 @@
135164 #if defined(CONFIG_KVM) && defined(CONFIG_BOOKE)
136165 	OFFSET(THREAD_KVM_VCPU, thread_struct, kvm_vcpu);
137166 #endif
167
+#if defined(CONFIG_PPC_BOOK3S_32) && defined(CONFIG_PPC_KUAP)
168
+	OFFSET(KUAP, thread_struct, kuap);
169
+#endif
138170 
139171 #ifdef CONFIG_PPC_TRANSACTIONAL_MEM
140172 	OFFSET(PACATMSCRATCH, paca_struct, tm_scratch);
....@@ -144,6 +176,7 @@
144176 	OFFSET(THREAD_TM_TAR, thread_struct, tm_tar);
145177 	OFFSET(THREAD_TM_PPR, thread_struct, tm_ppr);
146178 	OFFSET(THREAD_TM_DSCR, thread_struct, tm_dscr);
179
+	OFFSET(THREAD_TM_AMR, thread_struct, tm_amr);
147180 	OFFSET(PT_CKPT_REGS, thread_struct, ckpt_regs);
148181 	OFFSET(THREAD_CKVRSTATE, thread_struct, ckvr_state.vr);
149182 	OFFSET(THREAD_CKVRSAVE, thread_struct, ckvrsave);
....@@ -156,8 +189,6 @@
156189 	OFFSET(TI_FLAGS, thread_info, flags);
157190 	OFFSET(TI_LOCAL_FLAGS, thread_info, local_flags);
158191 	OFFSET(TI_PREEMPT, thread_info, preempt_count);
159
-	OFFSET(TI_TASK, thread_info, task);
160
-	OFFSET(TI_CPU, thread_info, cpu);
161192 
162193 #ifdef CONFIG_PPC64
163194 	OFFSET(DCACHEL1BLOCKSIZE, ppc64_caches, l1d.block_size);
....@@ -172,8 +203,9 @@
172203 	OFFSET(PACAPROCSTART, paca_struct, cpu_start);
173204 	OFFSET(PACAKSAVE, paca_struct, kstack);
174205 	OFFSET(PACACURRENT, paca_struct, __current);
206
+	DEFINE(PACA_THREAD_INFO, offsetof(struct paca_struct, __current) +
207
+				 offsetof(struct task_struct, thread_info));
175208 	OFFSET(PACASAVEDMSR, paca_struct, saved_msr);
176
-	OFFSET(PACASTABRR, paca_struct, stab_rr);
177209 	OFFSET(PACAR1, paca_struct, saved_r1);
178210 	OFFSET(PACATOC, paca_struct, kernel_toc);
179211 	OFFSET(PACAKBASE, paca_struct, kernelbase);
....@@ -212,6 +244,7 @@
212244 #ifdef CONFIG_PPC_BOOK3S_64
213245 	OFFSET(PACASLBCACHE, paca_struct, slb_cache);
214246 	OFFSET(PACASLBCACHEPTR, paca_struct, slb_cache_ptr);
247
+	OFFSET(PACASTABRR, paca_struct, stab_rr);
215248 	OFFSET(PACAVMALLOCSLLP, paca_struct, vmalloc_sllp);
216249 #ifdef CONFIG_PPC_MM_SLICES
217250 	OFFSET(MMUPSIZESLLP, mmu_psize_def, sllp);
....@@ -255,8 +288,9 @@
255288 	OFFSET(ACCOUNT_STARTTIME_USER, paca_struct, accounting.starttime_user);
256289 	OFFSET(ACCOUNT_USER_TIME, paca_struct, accounting.utime);
257290 	OFFSET(ACCOUNT_SYSTEM_TIME, paca_struct, accounting.stime);
291
+#ifdef CONFIG_PPC_BOOK3E
258292 	OFFSET(PACA_TRAP_SAVE, paca_struct, trap_save);
259
-	OFFSET(PACA_NAPSTATELOST, paca_struct, nap_state_lost);
293
+#endif
260294 	OFFSET(PACA_SPRG_VDSO, paca_struct, sprg_vdso);
261295 #else /* CONFIG_PPC64 */
262296 #ifdef CONFIG_VIRT_CPU_ACCOUNTING_NATIVE
....@@ -273,12 +307,7 @@
273307 
274308 	/* Interrupt register frame */
275309 	DEFINE(INT_FRAME_SIZE, STACK_INT_FRAME_SIZE);
276
-	DEFINE(SWITCH_FRAME_SIZE, STACK_FRAME_OVERHEAD + sizeof(struct pt_regs));
277
-#ifdef CONFIG_PPC64
278
-	/* Create extra stack space for SRR0 and SRR1 when calling prom/rtas. */
279
-	DEFINE(PROM_FRAME_SIZE, STACK_FRAME_OVERHEAD + sizeof(struct pt_regs) + 16);
280
-	DEFINE(RTAS_FRAME_SIZE, STACK_FRAME_OVERHEAD + sizeof(struct pt_regs) + 16);
281
-#endif /* CONFIG_PPC64 */
310
+	DEFINE(SWITCH_FRAME_SIZE, STACK_FRAME_WITH_PT_REGS);
282311 	STACK_PT_REGS_OFFSET(GPR0, gpr[0]);
283312 	STACK_PT_REGS_OFFSET(GPR1, gpr[1]);
284313 	STACK_PT_REGS_OFFSET(GPR2, gpr[2]);
....@@ -322,11 +351,12 @@
322351 	STACK_PT_REGS_OFFSET(_ESR, dsisr);
323352 #else /* CONFIG_PPC64 */
324353 	STACK_PT_REGS_OFFSET(SOFTE, softe);
325
-
326
-	/* These _only_ to be used with {PROM,RTAS}_FRAME_SIZE!!! */
327
-	DEFINE(_SRR0, STACK_FRAME_OVERHEAD+sizeof(struct pt_regs));
328
-	DEFINE(_SRR1, STACK_FRAME_OVERHEAD+sizeof(struct pt_regs)+8);
354
+	STACK_PT_REGS_OFFSET(_PPR, ppr);
329355 #endif /* CONFIG_PPC64 */
356
+
357
+#ifdef CONFIG_PPC_KUAP
358
+	STACK_PT_REGS_OFFSET(STACK_REGS_KUAP, kuap);
359
+#endif
330360 
331361 #if defined(CONFIG_PPC32)
332362 #if defined(CONFIG_BOOKE) || defined(CONFIG_40x)
....@@ -377,29 +407,25 @@
377407 	OFFSET(CFG_SYSCALL_MAP32, vdso_data, syscall_map_32);
378408 	OFFSET(WTOM_CLOCK_SEC, vdso_data, wtom_clock_sec);
379409 	OFFSET(WTOM_CLOCK_NSEC, vdso_data, wtom_clock_nsec);
380
-	OFFSET(STAMP_XTIME, vdso_data, stamp_xtime);
410
+	OFFSET(STAMP_XTIME_SEC, vdso_data, stamp_xtime_sec);
411
+	OFFSET(STAMP_XTIME_NSEC, vdso_data, stamp_xtime_nsec);
381412 	OFFSET(STAMP_SEC_FRAC, vdso_data, stamp_sec_fraction);
382413 	OFFSET(CLOCK_HRTIMER_RES, vdso_data, hrtimer_res);
414
+#ifdef CONFIG_PPC64
383415 	OFFSET(CFG_ICACHE_BLOCKSZ, vdso_data, icache_block_size);
384416 	OFFSET(CFG_DCACHE_BLOCKSZ, vdso_data, dcache_block_size);
385417 	OFFSET(CFG_ICACHE_LOGBLOCKSZ, vdso_data, icache_log_block_size);
386418 	OFFSET(CFG_DCACHE_LOGBLOCKSZ, vdso_data, dcache_log_block_size);
387
-#ifdef CONFIG_PPC64
388419 	OFFSET(CFG_SYSCALL_MAP64, vdso_data, syscall_map_64);
389
-	OFFSET(TVAL64_TV_SEC, timeval, tv_sec);
390
-	OFFSET(TVAL64_TV_USEC, timeval, tv_usec);
391
-	OFFSET(TVAL32_TV_SEC, compat_timeval, tv_sec);
392
-	OFFSET(TVAL32_TV_USEC, compat_timeval, tv_usec);
393
-	OFFSET(TSPC64_TV_SEC, timespec, tv_sec);
394
-	OFFSET(TSPC64_TV_NSEC, timespec, tv_nsec);
395
-	OFFSET(TSPC32_TV_SEC, compat_timespec, tv_sec);
396
-	OFFSET(TSPC32_TV_NSEC, compat_timespec, tv_nsec);
397
-#else
398
-	OFFSET(TVAL32_TV_SEC, timeval, tv_sec);
399
-	OFFSET(TVAL32_TV_USEC, timeval, tv_usec);
400
-	OFFSET(TSPC32_TV_SEC, timespec, tv_sec);
401
-	OFFSET(TSPC32_TV_NSEC, timespec, tv_nsec);
420
+	OFFSET(TVAL64_TV_SEC, __kernel_old_timeval, tv_sec);
421
+	OFFSET(TVAL64_TV_USEC, __kernel_old_timeval, tv_usec);
402422 #endif
423
+	OFFSET(TSPC64_TV_SEC, __kernel_timespec, tv_sec);
424
+	OFFSET(TSPC64_TV_NSEC, __kernel_timespec, tv_nsec);
425
+	OFFSET(TVAL32_TV_SEC, old_timeval32, tv_sec);
426
+	OFFSET(TVAL32_TV_USEC, old_timeval32, tv_usec);
427
+	OFFSET(TSPC32_TV_SEC, old_timespec32, tv_sec);
428
+	OFFSET(TSPC32_TV_NSEC, old_timespec32, tv_nsec);
403429 	/* timeval/timezone offsets for use by vdso */
404430 	OFFSET(TZONE_TZ_MINWEST, timezone, tz_minuteswest);
405431 	OFFSET(TZONE_TZ_DSTTIME, timezone, tz_dsttime);
....@@ -409,7 +435,10 @@
409435 	DEFINE(CLOCK_MONOTONIC, CLOCK_MONOTONIC);
410436 	DEFINE(CLOCK_REALTIME_COARSE, CLOCK_REALTIME_COARSE);
411437 	DEFINE(CLOCK_MONOTONIC_COARSE, CLOCK_MONOTONIC_COARSE);
438
+	DEFINE(CLOCK_MAX, CLOCK_TAI);
412439 	DEFINE(NSEC_PER_SEC, NSEC_PER_SEC);
440
+	DEFINE(EINVAL, EINVAL);
441
+	DEFINE(KTIME_LOW_RES, KTIME_LOW_RES);
413442 
414443 #ifdef CONFIG_BUG
415444 	DEFINE(BUG_ENTRY_SIZE, sizeof(struct bug_entry));
....@@ -498,11 +527,13 @@
498527 	OFFSET(KVM_VRMA_SLB_V, kvm, arch.vrma_slb_v);
499528 	OFFSET(KVM_RADIX, kvm, arch.radix);
500529 	OFFSET(KVM_FWNMI, kvm, arch.fwnmi_enabled);
530
+	OFFSET(KVM_SECURE_GUEST, kvm, arch.secure_guest);
501531 	OFFSET(VCPU_DSISR, kvm_vcpu, arch.shregs.dsisr);
502532 	OFFSET(VCPU_DAR, kvm_vcpu, arch.shregs.dar);
503533 	OFFSET(VCPU_VPA, kvm_vcpu, arch.vpa.pinned_addr);
504534 	OFFSET(VCPU_VPA_DIRTY, kvm_vcpu, arch.vpa.dirty);
505535 	OFFSET(VCPU_HEIR, kvm_vcpu, arch.emul_inst);
536
+	OFFSET(VCPU_NESTED, kvm_vcpu, arch.nested);
506537 	OFFSET(VCPU_CPU, kvm_vcpu, cpu);
507538 	OFFSET(VCPU_THREAD_CPU, kvm_vcpu, arch.thread_cpu);
508539 #endif
....@@ -529,6 +560,8 @@
529560 	OFFSET(VCPU_IRQ_PENDING, kvm_vcpu, arch.irq_pending);
530561 	OFFSET(VCPU_DBELL_REQ, kvm_vcpu, arch.doorbell_request);
531562 	OFFSET(VCPU_MMCR, kvm_vcpu, arch.mmcr);
563
+	OFFSET(VCPU_MMCRA, kvm_vcpu, arch.mmcra);
564
+	OFFSET(VCPU_MMCRS, kvm_vcpu, arch.mmcrs);
532565 	OFFSET(VCPU_PMC, kvm_vcpu, arch.pmc);
533566 	OFFSET(VCPU_SPMC, kvm_vcpu, arch.spmc);
534567 	OFFSET(VCPU_SIAR, kvm_vcpu, arch.siar);
....@@ -666,6 +699,9 @@
666699 	HSTATE_FIELD(HSTATE_SDAR, host_mmcr[4]);
667700 	HSTATE_FIELD(HSTATE_MMCR2, host_mmcr[5]);
668701 	HSTATE_FIELD(HSTATE_SIER, host_mmcr[6]);
702
+	HSTATE_FIELD(HSTATE_MMCR3, host_mmcr[7]);
703
+	HSTATE_FIELD(HSTATE_SIER2, host_mmcr[8]);
704
+	HSTATE_FIELD(HSTATE_SIER3, host_mmcr[9]);
669705 	HSTATE_FIELD(HSTATE_PMC1, host_pmc[0]);
670706 	HSTATE_FIELD(HSTATE_PMC2, host_pmc[1]);
671707 	HSTATE_FIELD(HSTATE_PMC3, host_pmc[2]);
....@@ -761,23 +797,6 @@
761797 	OFFSET(VCPU_TIMING_LAST_ENTER_TBL, kvm_vcpu, arch.timing_last_enter.tv32.tbl);
762798 #endif
763799 
764
-#ifdef CONFIG_PPC_POWERNV
765
-	OFFSET(PACA_CORE_IDLE_STATE_PTR, paca_struct, core_idle_state_ptr);
766
-	OFFSET(PACA_THREAD_IDLE_STATE, paca_struct, thread_idle_state);
767
-	OFFSET(PACA_THREAD_MASK, paca_struct, thread_mask);
768
-	OFFSET(PACA_SUBCORE_SIBLING_MASK, paca_struct, subcore_sibling_mask);
769
-	OFFSET(PACA_REQ_PSSCR, paca_struct, requested_psscr);
770
-	OFFSET(PACA_DONT_STOP, paca_struct, dont_stop);
771
-#define STOP_SPR(x, f)	OFFSET(x, paca_struct, stop_sprs.f)
772
-	STOP_SPR(STOP_PID, pid);
773
-	STOP_SPR(STOP_LDBAR, ldbar);
774
-	STOP_SPR(STOP_FSCR, fscr);
775
-	STOP_SPR(STOP_HFSCR, hfscr);
776
-	STOP_SPR(STOP_MMCR1, mmcr1);
777
-	STOP_SPR(STOP_MMCR2, mmcr2);
778
-	STOP_SPR(STOP_MMCRA, mmcra);
779
-#endif
780
-
781800 	DEFINE(PPC_DBELL_SERVER, PPC_DBELL_SERVER);
782801 	DEFINE(PPC_DBELL_MSGTYPE, PPC_DBELL_MSGTYPE);
783802 
....@@ -785,5 +804,9 @@
785804 	DEFINE(VIRT_IMMR_BASE, (u64)__fix_to_virt(FIX_IMMR_BASE));
786805 #endif
787806 
807
+#ifdef CONFIG_XMON
808
+	DEFINE(BPT_SIZE, BPT_SIZE);
809
+#endif
810
+
788811 	return 0;
789812 }